CN211288712U - Automobile shifting fork shaft - Google Patents
Automobile shifting fork shaft Download PDFInfo
- Publication number
- CN211288712U CN211288712U CN201922241890.6U CN201922241890U CN211288712U CN 211288712 U CN211288712 U CN 211288712U CN 201922241890 U CN201922241890 U CN 201922241890U CN 211288712 U CN211288712 U CN 211288712U
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- shifting fork
- sleeve
- hole
- base
- shifting
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Abstract
The utility model provides a car declutch shift shaft, include: the shifting fork comprises a shifting fork body, a first sleeve and a second sleeve; a shifting fork hole is formed in the shifting fork body and is positioned at the upper end of the shifting fork body; the outer side wall of the shifting fork hole is connected with the shifting fork body and provided with reinforcing ribs, and the reinforcing ribs are positioned on two sides of the shifting fork hole; the lower end of the shifting fork body is provided with fork arms, and the two fork arms are respectively arranged on two sides of the shifting fork body and extend along the same direction; the first sleeve comprises a first base and a first barrel body arranged on the first base, the second sleeve comprises a second base and a second barrel body arranged on the second base, the first sleeve and the second sleeve are respectively assembled on two sides of the shifting fork hole, the first clamping block is assembled between the second clamping blocks, the second clamping blocks are assembled between the first clamping blocks, the base can be abutted to the end face of the shifting fork hole, the end face of the shifting fork hole provides protection, the first sleeve and the second sleeve which are mutually spliced can prevent the shifting fork hole from being internally worn by friction loss, the disassembly and assembly are convenient for a user, and the gear shifting efficiency of the gearbox is ensured.
Description
Technical Field
The utility model relates to an engine parts technical field especially relates to an automobile shifting fork axle.
Background
In a manual transmission, a transmission drive shaft is coupled to a clutch output shaft. Under the condition that the clutch is combined, power is continuously input to the gearbox, the gear shifting rod is shifted to enable the gear shifting fork to switch the gear shifting gear on the output shaft, and the gear shifting fork is combined with the power output shaft through gear combinations with different sizes, so that the torque and the rotating speed of the driving wheel are changed. The shift lever operates the shift fork to move rightwards, so that the synchronizer moves rightwards to be engaged with the gear, the engine power transmits the power to the power output shaft through the gear of the driving shaft, and the gear which is not in contact with the synchronizer idles on the output shaft all the time.
In the gearbox control mechanism, the shifting fork mainly acts on driving the combination sleeve and the synchronizer to move left and right, so that the driven gear is respectively meshed with driving gears with different transmission ratios, and smooth gear shifting is realized. The fork can be said to be the most direct actuator in the whole gear shifting process. However, when the existing shifting fork moves on the shaft to be meshed or separated with the driving gear, the loss is large, the service life of the shifting fork is shortened, and the gear shifting efficiency of the gearbox is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the technical problem to be solved by the present invention is: the friction loss borne by the shifting fork when the shifting fork moves on the shaft to engage or separate with the driving gear is reduced, the service life and the reliability of the shifting fork are improved, and the gear shifting efficiency of the gearbox is ensured.
In order to achieve the above object, the utility model provides a car declutch shift shaft, include: the shifting fork comprises a shifting fork body, a first sleeve and a second sleeve; the shifting fork body is provided with a shifting fork hole, and the shifting fork hole is positioned at the upper end of the shifting fork body; the outer side wall of the shifting fork hole is connected with the shifting fork body and provided with reinforcing ribs, and the reinforcing ribs are positioned on two sides of the shifting fork hole; the lower end of the shifting fork body is provided with fork arms, and the two fork arms are respectively arranged on two sides of the shifting fork body and extend along the same direction; the first sleeve comprises a first base and a first barrel body arranged on the first base, the end face of the first base abuts against the end face of the shifting fork hole, a first clamping block is arranged on the end face of the first barrel body, the first clamping blocks are distributed at intervals along the circumferential direction of the first barrel body, and the first clamping blocks are arranged in a protruding mode along the axial direction of the first barrel body; the second sleeve comprises a second base and a second cylinder body arranged on the second base, the end face of the second base abuts against the end face of the shifting fork hole, a second clamping block is arranged on the end face of the second cylinder body, the plurality of second clamping blocks are distributed at intervals along the circumferential direction of the second cylinder body, and the second clamping blocks are arranged in a protruding mode along the axial direction of the second cylinder body; the first sleeve and the second sleeve are respectively assembled on two sides of the shifting fork hole, the first clamping blocks are assembled between the second clamping blocks, and the second clamping blocks are assembled between the first clamping blocks.
Furthermore, the two fork arms and the shifting fork body are arranged in a Y shape.
Further, a bushing is arranged at the end of the fork arm.
Compared with the prior art, the utility model provides a car declutch shift shaft, include: the shifting fork comprises a shifting fork body, a first sleeve and a second sleeve; a shifting fork hole is formed in the shifting fork body and is positioned at the upper end of the shifting fork body; the outer side wall of the shifting fork hole is connected with the shifting fork body and provided with reinforcing ribs, and the reinforcing ribs are positioned on two sides of the shifting fork hole; the lower end of the shifting fork body is provided with fork arms, and the two fork arms are respectively arranged on two sides of the shifting fork body and extend along the same direction; the first sleeve comprises a first base and a first barrel body arranged on the first base, the second sleeve comprises a second base and a second barrel body arranged on the second base, the first sleeve and the second sleeve are respectively assembled on two sides of the shifting fork hole, the first clamping block is assembled between the second clamping blocks, the second clamping blocks are assembled between the first clamping blocks, the base can be abutted to the end face of the shifting fork hole, the end face of the shifting fork hole provides protection, the first sleeve and the second sleeve which are mutually spliced can prevent the shifting fork hole from being internally worn by friction loss, the disassembly and assembly are convenient for a user, and the gear shifting efficiency of the gearbox is ensured.
Drawings
Fig. 1 is a schematic structural view of an automobile shift fork shaft in an embodiment of the present invention;
fig. 2 is a schematic view of the embodiment of the present invention showing a part of an automobile shift fork.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. Referring to fig. 1-2, the present invention provides a fork shaft for a vehicle, including a fork body 10, a first sleeve 20 and a second sleeve 30.
The shifting fork body 10 is provided with a shifting fork hole 11, the shifting fork hole 11 is positioned on the shifting fork body 10, and the shifting fork hole 11 is sleeved on the shaft to limit the moving direction of the shifting fork.
The outer side wall of the shifting fork hole 11 is connected with the shifting fork body 10 to form a reinforcing rib 12, the reinforcing rib 12 is located on two sides of the shifting fork hole 11, and the reinforcing rib 12 improves the connection strength between the shifting fork hole 11 and the shifting fork body 10.
The lower extreme of shift fork body 10 sets up yoke 13, and two yoke 13 set up respectively in the both sides of shift fork body 10 and extend along the same direction, and the gear meshing or separation mutually are stirred by yoke 13, realize the gear shifting of variable speed.
The end of the fork arm 13 is provided with a bushing 14, and the bushing 14 improves the anti-skid property or the wear resistance of the end of the fork arm 13.
The shifting fork hole 11, the shifting fork body 10 and the fork arms 13 are integrally formed, and the two fork arms 13 and the shifting fork body 10 are arranged in a Y shape.
The first sleeve 20 comprises a first base 21 and a first barrel 22 arranged on the first base 21, the end face of the first base 21 abuts against the end face of the shifting fork hole 11, protection on the end face of the shifting fork hole 11 is further improved, a first fixture block 23 is arranged on the end face of the first barrel 22, the first fixture blocks 23 are arranged at intervals along the circumferential direction of the first barrel 22, and the first fixture block 23 is arranged in a protruding mode along the axial direction of the first barrel 22.
The second sleeve 30 comprises a second base 31 and a second barrel 32 arranged on the second base 31, and further the protection of the end face of the shifting fork hole 11 is improved, the end face of the second base 31 abuts against the end face of the shifting fork hole 11, a second clamping block 33 is arranged on the end face of the second barrel 32, the plurality of second clamping blocks 33 are arranged at intervals in the circumferential direction of the second barrel 32, and the second clamping blocks 33 are arranged in a protruding mode in the axial direction of the second barrel 32.
The first sleeve 20 and the second sleeve 30 are respectively assembled at both sides of the shift fork hole 11, and the first latch 23 is assembled between the second latches 33, and the second latches 33 are assembled between the first latches 23. The first sleeve 20 and the second sleeve 30 which are connected are assembled in the shifting fork hole 11, so that the rotating shaft can be connected with the first cylinder 22 and the second cylinder 32, and the friction loss to the shifting fork hole 11 is reduced.
To sum up, the utility model provides an automobile shifting fork shaft, include: the shifting fork comprises a shifting fork body, a first sleeve and a second sleeve; a shifting fork hole is formed in the shifting fork body and is positioned at the upper end of the shifting fork body; the outer side wall of the shifting fork hole is connected with the shifting fork body and provided with reinforcing ribs, and the reinforcing ribs are positioned on two sides of the shifting fork hole; the lower end of the shifting fork body is provided with fork arms, and the two fork arms are respectively arranged on two sides of the shifting fork body and extend along the same direction; the first sleeve comprises a first base and a first barrel body arranged on the first base, the second sleeve comprises a second base and a second barrel body arranged on the second base, the first sleeve and the second sleeve are respectively assembled on two sides of the shifting fork hole, the first clamping block is assembled between the second clamping blocks, the second clamping blocks are assembled between the first clamping blocks, the base can be abutted to the end face of the shifting fork hole, the end face of the shifting fork hole provides protection, the first sleeve and the second sleeve which are mutually spliced can prevent the shifting fork hole from being internally worn by friction loss, the disassembly and assembly are convenient for a user, and the gear shifting efficiency of the gearbox is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. An automotive declutch shift shaft, comprising:
the shifting fork comprises a shifting fork body, a first sleeve and a second sleeve;
the shifting fork body is provided with a shifting fork hole, and the shifting fork hole is positioned at the upper end of the shifting fork body;
the outer side wall of the shifting fork hole is connected with the shifting fork body and provided with reinforcing ribs, and the reinforcing ribs are positioned on two sides of the shifting fork hole;
the lower end of the shifting fork body is provided with fork arms, and the two fork arms are respectively arranged on two sides of the shifting fork body and extend along the same direction;
the first sleeve comprises a first base and a first barrel body arranged on the first base, the end face of the first base abuts against the end face of the shifting fork hole, a first clamping block is arranged on the end face of the first barrel body, the first clamping blocks are distributed at intervals along the circumferential direction of the first barrel body, and the first clamping blocks are arranged in a protruding mode along the axial direction of the first barrel body;
the second sleeve comprises a second base and a second cylinder body arranged on the second base, the end face of the second base abuts against the end face of the shifting fork hole, a second clamping block is arranged on the end face of the second cylinder body, the plurality of second clamping blocks are distributed at intervals along the circumferential direction of the second cylinder body, and the second clamping blocks are arranged in a protruding mode along the axial direction of the second cylinder body;
the first sleeve and the second sleeve are respectively assembled on two sides of the shifting fork hole, the first clamping blocks are assembled between the second clamping blocks, and the second clamping blocks are assembled between the first clamping blocks.
2. The automotive fork shaft of claim 1, wherein the fork bore, the fork body and the yoke arm are integrally formed.
3. The automotive fork shaft of claim 1, wherein the two yoke arms are arranged in a "Y" shape with the fork body.
4. The automotive declutch shift shaft of claim 1, wherein a bushing is provided at an end of the yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922241890.6U CN211288712U (en) | 2019-12-16 | 2019-12-16 | Automobile shifting fork shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922241890.6U CN211288712U (en) | 2019-12-16 | 2019-12-16 | Automobile shifting fork shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288712U true CN211288712U (en) | 2020-08-18 |
Family
ID=72038231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922241890.6U Active CN211288712U (en) | 2019-12-16 | 2019-12-16 | Automobile shifting fork shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211288712U (en) |
-
2019
- 2019-12-16 CN CN201922241890.6U patent/CN211288712U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An automobile shift fork shaft Effective date of registration: 20230216 Granted publication date: 20200818 Pledgee: Shandong Linqing Rural Commercial Bank Co.,Ltd. Xinxing sub branch Pledgor: Linqing Xinke Precision Machinery Co.,Ltd. Registration number: Y2023980032783 |