CN220435388U - Gear shifting fork shaft interlocking mechanism - Google Patents
Gear shifting fork shaft interlocking mechanism Download PDFInfo
- Publication number
- CN220435388U CN220435388U CN202320491541.3U CN202320491541U CN220435388U CN 220435388 U CN220435388 U CN 220435388U CN 202320491541 U CN202320491541 U CN 202320491541U CN 220435388 U CN220435388 U CN 220435388U
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- interlocking
- holes
- fork shaft
- fixing plate
- hole
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- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 230000009471 action Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model discloses a shift fork shaft interlocking mechanism which comprises a transmission rear shell, wherein an interlocking fixing plate is arranged on the transmission rear shell, an interlocking steel ball mounting hole is formed in the interlocking fixing plate, the interlocking steel ball mounting hole transversely penetrates through the whole interlocking fixing plate, the interlocking steel ball mounting hole is used for mounting an interlocking steel ball and an interlocking pin, an upper fork shaft mounting hole is formed in the interlocking fixing plate, and a lower fork shaft mounting hole is formed in the rear shell.
Description
Technical Field
The utility model relates to the technical field of transmissions, in particular to a gear shifting fork shaft interlocking mechanism.
Background
With the rapid development of the automobile industry, transmission parts are increasingly required to be simple in structure and high in reliability, and various parts are increasingly harsh in design, assembly and limitation. When the transmission is used, only one gear can be used at a time through an internal interlocking structure, and fork shafts with different gears in the transmission cannot be simultaneously engaged, otherwise, the normal running of the vehicle is affected, the conventional gear shifting mechanism on the market is generally in a common steel ball type interlocking and interlocking plate type interlocking structure, an interlocking steel ball and an interlocking pin are arranged in a transmission shell, the fork shafts are arranged in place during installation, the angle is required to be adjusted, and the interlocking steel ball and the interlocking pin can be sequentially arranged after the angle is aligned, so that the operation difficulty is high; the interlocking plate type interlocking structure needs to be provided with an interlocking plate on the shell, and the function of fork shaft interlocking is achieved through the interlocking plate, but the manufacturing cost of the interlocking plate is high, and the fork shaft interlocking mechanism solves the problems.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a shift fork shaft interlocking mechanism, which is more convenient to install, more reliable in limiting and better in performance.
The utility model is realized by the following technical scheme.
The utility model relates to a shift fork shaft interlocking mechanism which comprises a transmission rear shell, wherein an interlocking fixing plate is arranged on the transmission rear shell, an interlocking steel ball mounting hole is formed in the interlocking fixing plate, the interlocking steel ball mounting hole transversely penetrates through the whole interlocking fixing plate, the interlocking steel ball mounting hole is used for mounting an interlocking steel ball and an interlocking pin, an upper fork shaft mounting hole is formed in the interlocking fixing plate, and a lower fork shaft mounting hole is formed in the transmission rear shell.
Further, the center line of the interlocking steel ball mounting hole is intersected with the center line of the upper fork shaft mounting hole on the interlocking fixing plate.
Further, an interlocking fixing plate mounting plane is arranged on the rear transmission housing, the interlocking fixing plate mounting plane is the mounting position of the interlocking fixing plate on the rear transmission housing, and the interlocking fixing plate is mounted on the interlocking fixing plate mounting plane.
Further, the interlocking steel balls are standard diameter steel balls, and the interlocking pins are cylindrical pins.
Further, the upper fork shaft mounting hole on the interlocking fixing plate and the lower fork shaft mounting hole of the rear transmission housing are in the same position and form an integral through hole.
Further, a shift fork shaft penetrating through the whole assembly through hole is arranged in the upper fork shaft mounting hole and the lower fork shaft mounting hole.
Further, the gear shifting fork shaft is provided with an annular groove, and the groove shape of the annular groove is matched with the interlocking steel ball.
Further, the number of the upper fork shaft mounting holes is two or three groups of holes according to the gear of the transmission, the number of the lower fork shaft mounting holes is two or three groups of holes according to the gear of the transmission, and the number of the upper fork shaft mounting holes is consistent with the number of the lower fork shaft mounting holes.
Further, the rear transmission case fixedly mounts the interlocking fixing plate on the interlocking fixing plate mounting plane by screw-fitting.
Further, the threaded holes on the rear shell of the transmission are divided into two types, namely a common threaded hole and a threaded hole with a positioning hinging hole, the number of the common threaded holes is 3, 4 and 5 different according to actual needs, and the number of the threaded holes with the positioning hinging holes is 2.
Further, the mounting holes of the interlocking fixing plates are divided into common round holes and positioning hinging holes, and the number of the mounting holes is matched with the number of threaded holes on the rear shell of the transmission.
Further, the interlocking fixing plate is installed on the rear shell of the transmission through the reaming hole bolts and the hexagon head bolts, and through the locating action of the reaming holes, the threaded holes with locating reaming holes and the reaming hole bolts, the fork shaft holes on the rear shell of the transmission and the fork shaft holes on the interlocking fixing plate are guaranteed to be located accurately.
The utility model has the beneficial effects that: compared with the traditional steel ball interlocking, the utility model adopts a split type structure, has the advantages of convenient installation process, simple operation, simple parts and low manufacturing cost compared with the interlocking plate mode, adopts steel ball interlocking, has more stable structure and reliable strength, occupies less space by adopting steel ball interlocking, and is beneficial to the design of the shell.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of A-A of FIG. 1 in accordance with an embodiment of the present utility model;
fig. 3 is a schematic view of the installation location of the present utility model.
Detailed Description
The utility model will now be described in detail with reference to fig. 1-3, wherein for convenience of description the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
A shift rail interlocking mechanism described with reference to fig. 1-3, and a novel shift rail interlocking mechanism described with reference to fig. 1-2, comprising a rear transmission housing 20, wherein an interlocking fixing plate mounting plane 230 is provided on the rear transmission housing 20, the interlocking fixing plate mounting plane 230 is the mounting position of the interlocking fixing plate 30 on the rear transmission housing 20, the interlocking fixing plate 30 is mounted on the interlocking fixing plate mounting plane 230, and the shape of the interlocking fixing plate mounting plane 230 on the rear transmission housing 20 is the same as that of the interlocking fixing plate 30, so that the interlocking fixing plate 30 and the interlocking fixing plate mounting plane 230 are completely attached to each other when mounted, the novel shift rail interlocking mechanism can be more stable when in use, and the same shape can bring a limit effect, and can save more space when in use.
The interlocking fixing plate 30 is internally provided with an interlocking steel ball mounting hole 310, the interlocking steel ball mounting hole 310 transversely penetrates through the whole interlocking fixing plate 30, the interlocking steel ball mounting hole 310 is used for mounting the interlocking steel ball 70 and the interlocking pin 80, the interlocking steel ball 70 is of a standard diameter steel ball, the interlocking pin 80 is a cylindrical pin, the interlocking fixing plate 30 is provided with an upper fork shaft mounting hole 330, the transmission rear shell 20 is provided with a lower fork shaft mounting hole 220, the upper fork shaft mounting hole 330 on the interlocking fixing plate 30 and the lower fork shaft mounting hole 220 of the transmission rear shell 20 are in the same position and are aligned in the aperture to form an integral through hole, the upper fork shaft mounting hole 330 and the lower fork shaft mounting hole 220 are internally provided with a gear shifting fork shaft 50 penetrating through the whole component through hole, the gear shifting fork shaft 50 is provided with an annular groove 510, the groove is matched with the interlocking steel ball 70, when the interlocking steel ball 70 is abutted against the annular groove 510, the upper fork shaft mounting hole 330 and the lower fork shaft mounting hole 220 can be blocked, and the diameter of the steel ball can be matched with the annular groove 510, and the gear shifting fork shaft 50 can be more easily and the gear shifting fork shaft 50 can be matched with the annular groove 50, and the gear shifting steel ball 50 can be more easily and the gear shifting fork shaft 50, and the diameter of the gear shifting steel ball can be more easily and the gear-locked 70.
The center line of the interlocking steel ball mounting hole 310 needs to meet the requirement that the center line of the interlocking steel ball mounting hole 310 is intersected with the center line of the upper fork shaft mounting hole 330 on the interlocking fixing plate 30, the interlocking steel ball 70 and the interlocking pin 80 can move left and right in the interlocking steel ball mounting hole 310 without being blocked, the number of the upper fork shaft mounting hole 330 is two groups of holes or three groups of holes according to the gear number of the transmission, the number of the lower fork shaft mounting hole 220 is two groups of holes or three groups of holes according to the gear number of the transmission, the number of the upper fork shaft mounting hole 330 is consistent with the number of the lower fork shaft mounting hole 220, the two groups of holes or three groups of holes can be used in most vehicles except for special requirement vehicles, the application range is wide, the effect of the two groups of holes and the three groups of holes is the same, the design and manufacture can greatly save the cost, and the use is stable, convenient and quick.
The rear casing 20 of the transmission is fixedly mounted on the mounting plane 230 of the interlocking fixing plate 30 through threaded fit, the threaded holes on the rear casing 20 of the transmission are divided into two types, namely a common threaded hole 240 and a threaded hole 210 with a positioning hinging hole, the number of the common threaded holes 240 is 3, 4 and 5 different according to actual needs, the number of the threaded holes 210 with the positioning hinging hole is 2, the mounting hole of the interlocking fixing plate 30 is divided into a common round hole 340 and a positioning hinging hole 320, the number of the threaded holes is matched with the number of the threaded holes on the rear casing of the transmission, and the common threaded holes 240 and the threaded holes 210 with the positioning hinging holes are mutually matched during mounting, so that stable operation of the transmission can be ensured for a long time without errors when the transmission is mounted for a long time.
The interlocking fixing plate 30 is mounted on the rear casing 20 of the transmission by using the reaming hole bolts 60 and the hexagon head bolts 40, and the lower fork shaft mounting holes 220 on the rear casing 20 of the transmission and the upper fork shaft mounting holes 330 on the interlocking fixing plate 30 are guaranteed to be positioned accurately by the reaming holes 320, the threaded holes 210 with positioning reaming holes and the positioning action of the reaming hole bolts 60, so that the installation is more convenient, a large amount of time can be saved, and the cost is saved more in design and manufacture.
Working principle: the shift shaft 50-a moves along the axial direction to start a shift action, the steel ball 70-a starts to move in the interlocking steel ball mounting hole 310 of the interlocking fixing plate 30 under the driving of the annular groove 510-a of the shift shaft 50-a, the interlocking pin 80 and the other steel ball 70-b are pushed, and after the shift action is completed, the other steel ball 70-b completely falls into the annular groove 510-b of the shift shaft 50-b, and at the moment, the shift shaft 50-b cannot move axially, so that the function of interlocking the shift shaft is realized.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement it without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (10)
1. A shift rail interlock mechanism comprising a transmission rear housing (20), characterized in that: install interlocking fixed plate (30) on derailleur rear housing (20), be equipped with interlocking steel ball mounting hole (310) on interlocking fixed plate (30), interlocking steel ball mounting hole (310) transversely run through whole interlocking fixed plate (30), interlocking steel ball mounting hole (310) are used for installing interlocking steel ball (70) and interlocking round pin (80), be equipped with on interlocking fixed plate (30) fork axle mounting hole (330), be equipped with down fork axle mounting hole (220) on derailleur rear housing (20).
2. A shift rail interlock mechanism as claimed in claim 1, wherein: the center line of the interlocking steel ball mounting hole (310) is intersected with the center line of the upper fork shaft mounting hole (330) on the interlocking fixing plate (30).
3. A shift rail interlock mechanism as claimed in claim 1, wherein: an interlocking fixing plate mounting plane (230) is arranged on the rear transmission housing (20), the interlocking fixing plate mounting plane (230) is the mounting position of the interlocking fixing plate (30) on the rear transmission housing (20), and the interlocking fixing plate (30) is mounted on the interlocking fixing plate mounting plane (230).
4. A shift rail interlock mechanism as claimed in claim 1, wherein: the interlocking steel ball (70) is a standard diameter steel ball, the interlocking pin (80) is a cylindrical pin, and the upper fork shaft mounting hole (330) on the interlocking fixing plate (30) and the lower fork shaft mounting hole (220) of the rear transmission housing (20) are positioned at the same position and form an integral through hole.
5. A shift rail interlock mechanism as claimed in claim 4, wherein: the upper fork shaft mounting hole (330) and the lower fork shaft mounting hole (220) are internally provided with a gear shifting fork shaft (50) penetrating through the whole assembly through hole, the gear shifting fork shaft (50) is provided with an annular groove (510), and the groove is matched with the interlocking steel ball (70).
6. A shift rail interlock mechanism as claimed in claim 4, wherein: the number of the upper fork shaft mounting holes (330) is two groups of holes or three groups of holes according to the gear number of the transmission, the number of the lower fork shaft mounting holes (220) is two groups of holes or three groups of holes according to the gear number of the transmission, and the number of the upper fork shaft mounting holes (330) is consistent with the number of the lower fork shaft mounting holes (220).
7. A shift rail interlock mechanism as claimed in claim 3, wherein: the transmission rear housing (20) fixedly mounts the interlocking fixing plate (30) on the interlocking fixing plate mounting plane (230) by screw-fitting.
8. The shift rail interlock mechanism of claim 7 wherein: the threaded holes on the rear shell (20) of the transmission are divided into two types, namely a common threaded hole (240) and threaded holes (210) with positioning hinging holes, the number of the common threaded holes (240) is determined according to actual needs, and the number of the threaded holes (210) with positioning hinging holes is 2.
9. The shift rail interlock mechanism of claim 7 wherein: the mounting holes of the interlocking fixing plate (30) are divided into common round holes (340) and positioning hinging holes (320), and the number of the mounting holes is matched with the number of threaded holes on the rear shell (20) of the transmission.
10. The shift rail interlock mechanism of claim 7 wherein: the interlocking fixing plate (30) is installed on the rear shell (20) of the transmission by using a reaming hole bolt (60) and a hexagon head bolt (40), and through the locating action of the reaming hole (320), a threaded hole (210) with a locating reaming hole and the reaming hole bolt (60), the lower fork shaft installation hole (220) on the rear shell (20) of the transmission and the upper fork shaft installation hole (330) on the interlocking fixing plate (30) are guaranteed to be located accurately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320491541.3U CN220435388U (en) | 2023-03-15 | 2023-03-15 | Gear shifting fork shaft interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320491541.3U CN220435388U (en) | 2023-03-15 | 2023-03-15 | Gear shifting fork shaft interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220435388U true CN220435388U (en) | 2024-02-02 |
Family
ID=89700014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320491541.3U Active CN220435388U (en) | 2023-03-15 | 2023-03-15 | Gear shifting fork shaft interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220435388U (en) |
-
2023
- 2023-03-15 CN CN202320491541.3U patent/CN220435388U/en active Active
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| GR01 | Patent grant |