CN210715896U - Hydraulic gear shifting mechanism for vehicle - Google Patents
Hydraulic gear shifting mechanism for vehicle Download PDFInfo
- Publication number
- CN210715896U CN210715896U CN201920957996.3U CN201920957996U CN210715896U CN 210715896 U CN210715896 U CN 210715896U CN 201920957996 U CN201920957996 U CN 201920957996U CN 210715896 U CN210715896 U CN 210715896U
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- China
- Prior art keywords
- hydraulic
- fork shaft
- gearbox
- shifting fork
- hydraulic cylinder
- 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.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000003921 oil Substances 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model relates to the field of automobiles, in particular to vehicle hydraulic pressure gearshift. The gearbox comprises a gearbox, wherein a shifting fork shaft is arranged on an upper box cover of the gearbox, penetrates through one end of the upper box cover and is positioned outside the gearbox, the other end of the shifting fork shaft is positioned in the gearbox, a shifting fork is arranged at one end of the shifting fork shaft positioned in the gearbox, and the shifting fork shaft can slide on the upper box cover; the hydraulic gear shifting mechanism of the vehicle further comprises a hydraulic cylinder, the hydraulic cylinder is arranged on the gearbox, a hydraulic rod of the hydraulic cylinder is connected with the shifting fork shaft, and the hydraulic cylinder can drive the shifting fork shaft to move. Compared with the prior art, the utility model discloses simplified the process of shifting, not needing the shelves to reach a series of drive mechanism, changed into the motion of hydraulic drive declutch shift shaft 1, simple structure shifts the in-process simultaneously and does not need manual picking to shift actions such as shifting again.
Description
Technical Field
The utility model relates to the field of automobiles, in particular to vehicle hydraulic pressure gearshift.
Background
A Manual Transmission (also called a mechanical Transmission), i.e. a gear shift lever must be shifted by hand to change the gear engagement position in the Transmission and change the Transmission ratio, thereby achieving the purpose of speed change. The transmission mechanism has the advantages of simple structure, reliable performance, low manufacturing and maintenance cost and high transmission efficiency, and is widely applied to automobiles.
However, due to the purely mechanical control of the manual transmission, the shifting process requires a driver to operate a shift lever and finally drive the shifting fork shaft 1 of the transmission to move through a series of transmission mechanisms, so that the gear shifting is realized, the structure is complex, and the gear shifting speed is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a vehicle hydraulic pressure gearshift, this vehicle hydraulic pressure gearshift has simple structure's advantage.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this: the hydraulic gear shifting mechanism for the vehicle comprises a gearbox, wherein a shifting fork shaft is arranged on an upper box cover of the gearbox, penetrates through one end of the upper box cover and is positioned outside the gearbox, the other end of the shifting fork shaft is positioned in the gearbox, the shifting fork shaft is positioned at one end of the gearbox, and the shifting fork shaft can slide on the upper box cover;
the hydraulic gear shifting mechanism of the vehicle further comprises a hydraulic cylinder, the hydraulic cylinder is arranged on the gearbox, a hydraulic rod of the hydraulic cylinder is connected with the shifting fork shaft, and the hydraulic cylinder can drive the shifting fork shaft to move.
Preferably, the cylinder body of the hydraulic cylinder is arranged on the upper box cover, and a hydraulic rod of the hydraulic cylinder is connected with one end, located outside the gearbox, of the shifting fork shaft.
Preferably, the cylinder body of the hydraulic cylinder is detachably mounted above the upper box cover of the gearbox.
Preferably, the hydraulic shifting mechanism of the vehicle further comprises a link, and the hydraulic lever is connected to the fork shaft through the link.
Preferably, the two ends of the connecting rod are respectively provided with a mounting hole, and the shifting fork shaft and the hydraulic cylinder are respectively sleeved on the mounting holes at the two ends of the connecting rod.
Preferably, the mounting hole of the connecting rod fixedly connects the shifting fork shaft and the hydraulic rod with the connecting rod through a set screw.
Preferably, vehicle hydraulic pressure gearshift still includes oil feeding system and valve, the valve passes through the pipe connection the pneumatic cylinder, oil feeding system connects the valve does the pneumatic cylinder provides hydraulic oil.
Preferably, the valve is a four-way valve.
Preferably, the four-way valve is a three-position four-way valve.
Compared with the prior art, the utility model discloses simplified the process of shifting, not needing the shelves to reach a series of drive mechanism, changed into the motion of hydraulic drive declutch shift shaft, simple structure shifts the in-process simultaneously and does not need manual picking to shift actions such as shifting again.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a side view of the present invention.
Description of reference numerals:
1-declutch shift 12-connecting rod 2
3-set screw 34-hydraulic rod 4
5-cylinder 56-valve 6
7-Upper Box cover 78-Shifting fork 8
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
According to an aspect of the present invention, there is provided a vehicle hydraulic shifting mechanism, as shown in fig. 1 to 3, comprising a transmission case, wherein a shift fork shaft 1 is installed on an upper case cover 7 of the transmission case, one end of the shift fork shaft 1, which passes through the upper case cover 7, is located outside the transmission case, the other end of the shift fork shaft is located inside the transmission case, a shift fork 8 is installed at one end of the shift fork shaft 1, which is located inside the transmission case, and the shift fork shaft 1 can slide on the upper case cover 7;
the hydraulic gear shifting mechanism is characterized by further comprising a hydraulic cylinder, the hydraulic cylinder is arranged on the gearbox, a hydraulic rod 4 of the hydraulic cylinder is connected with the shifting fork shaft 1, and the hydraulic cylinder can drive the shifting fork shaft 1 to move.
The transmission shifts gears by shifting a gear set in a gearbox through a shifting fork 8, so that the meshing relation of gears is changed to realize the adjustment of the rotating speed ratio of an input shaft and an output shaft, the shifting fork 8 is fixedly arranged on a shifting fork shaft 1 and drives the shifting fork 8 through the shifting fork shaft 1, and in the prior art, a gear handle is arranged in a cab and then drives the shifting fork shaft 1 to move through a set of transmission mechanism. In the utility model, the shifting fork shaft 1 is directly driven to move by the hydraulic cylinder, the hydraulic cylinder is arranged at the relatively fixed position of the gearbox, preferably on the box body of the gearbox, and then the hydraulic rod 4 of the hydraulic cylinder is connected to the shifting fork shaft 1; and the shifting fork shaft 1 is driven to move by a hydraulic cylinder. The preferred fork shaft 1 axis is parallel to the hydraulic cylinder axis which facilitates the hydraulic cylinder driving the fork shaft 1. The shifting fork shaft 1 slides on an upper box cover 7 of the gearbox, and the sliding direction is parallel to the axis of the shifting fork shaft 1.
Preferably, the cylinder body 5 of the hydraulic cylinder is arranged on the upper box cover 7, and the hydraulic rod 4 of the hydraulic cylinder is connected with one end of the shifting fork shaft 1, which is positioned outside the gearbox. The connection is preferably a detachable connection, either a threaded or pinned connection, or preferably an intermediate connection to assist in connecting the hydraulic rod 4 and the fork shaft 1 together while achieving the driving effect. And the cylinder body 5 of the hydraulic cylinder is detachably arranged above an upper box cover 7 of the gearbox. The preferable hydraulic cylinder is installed on a gearbox cover through a bolt, an installation hole is preset on the upper cover 7 to be matched with the hydraulic cylinder, and then the cylinder body 5 of the hydraulic cylinder is installed on the upper cover 7 through the bolt.
In order to save space and reduce volume, the hydraulic cylinder is parallel to the shifting fork shaft 1 and is arranged above the shifting fork shaft 1 instead of being overlapped with the shifting fork shaft 1, so that the length of the whole device is favorably reduced. Preferably, the vehicle hydraulic gear shifting mechanism further comprises a connecting rod 2, and the hydraulic rod 4 is connected to the shifting fork shaft 1 through the connecting rod 2. Preferably, mounting holes are respectively formed in two ends of the connecting rod 2, and the shifting fork shaft 1 and the hydraulic cylinder are respectively sleeved on the mounting holes in the two ends of the connecting rod 2.
The mounting hole of the connecting rod 2 fixedly connects the shifting fork shaft 1 and the hydraulic rod 4 with the connecting rod 2 through a set screw 3. Connecting rod 2 and declutch shift shaft 1 and hydraulic stem 4 reciprocal anchorage when holding screw 3 screws up, loosen holding screw 3 back connecting rod 2 and can break away from out from declutch shift shaft 1 and hydraulic stem 4.
Vehicle hydraulic pressure gearshift still includes oil feeding system and valve 6, valve 6 passes through the pipe connection the pneumatic cylinder, oil feeding system connects valve 6 does the pneumatic cylinder provides hydraulic oil. The four-way valve is a three-position four-way valve. The oil supply system can be a vehicle-mounted hydraulic oil system, is connected to the valve 6 through a pipeline, and controls the direction of hydraulic oil through the valve 6 so as to control the movement of the hydraulic cylinder, wherein three working states of the valve 6 respectively correspond to the extension, the shortening and the standing of the hydraulic cylinder.
The utility model discloses a working method: the utility model discloses a set up the 2 motion of connecting rod on the hydraulic stem 4 of the pneumatic cylinder on last case lid 7 drives hydraulic stem 4, is connected connecting rod 2 and declutch shift shaft 1 again, drives the motion of declutch shift shaft 1 through the motion of connecting rod 2.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A hydraulic gear shifting mechanism for a vehicle comprises a gearbox, wherein a shifting fork shaft (1) is mounted on an upper box cover (7) of the gearbox, one end of the shifting fork shaft (1) penetrating through the upper box cover (7) is located outside the gearbox, the other end of the shifting fork shaft is located inside the gearbox, a shifting fork (8) is mounted at one end of the shifting fork shaft (1) located inside the gearbox, and the shifting fork shaft (1) can slide on the upper box cover (7);
the hydraulic gear shifting mechanism is characterized by further comprising a hydraulic cylinder, the hydraulic cylinder is arranged on the gearbox, a hydraulic rod (4) of the hydraulic cylinder is connected with the shifting fork shaft (1), and the hydraulic cylinder can drive the shifting fork shaft (1) to move.
2. The vehicle hydraulic gear shift mechanism according to claim 1, characterized in that the cylinder body (5) of the hydraulic cylinder is mounted on the upper cover (7), and the hydraulic rod (4) of the hydraulic cylinder is connected with the end of the declutch shift shaft (1) located outside the transmission.
3. Hydraulic vehicle gear shift mechanism according to claim 1, characterized in that the cylinder body (5) of the hydraulic cylinder is detachably mounted above the upper cover (7) of the gearbox.
4. The vehicle hydraulic shift mechanism according to claim 1, characterized in that it further comprises a connecting rod (2), the hydraulic lever (4) being connected to the fork shaft (1) by means of the connecting rod (2).
5. The vehicle hydraulic gear shifting mechanism according to claim 4, wherein mounting holes are respectively formed at two ends of the connecting rod (2), and the fork shaft (1) and the hydraulic cylinder are respectively sleeved on the mounting holes at two ends of the connecting rod (2).
6. The vehicle hydraulic gear shift mechanism according to claim 5, characterized in that the mounting hole of the connecting rod (2) fixedly connects the fork shaft (1) and the hydraulic lever (4) with the connecting rod (2) by means of a set screw (3).
7. The vehicle hydraulic shifting mechanism according to claim 1, further comprising an oil supply system and a valve (6), wherein the valve (6) is connected to the hydraulic cylinder through a pipeline, and the oil supply system is connected to the valve (6) to supply hydraulic oil to the hydraulic cylinder.
8. The vehicle hydraulic shift mechanism according to claim 7, characterized in that the valve (6) is a four-way valve.
9. The vehicle hydraulic shift mechanism of claim 8, wherein the four-way valve is a three-position four-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920957996.3U CN210715896U (en) | 2019-06-21 | 2019-06-21 | Hydraulic gear shifting mechanism for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920957996.3U CN210715896U (en) | 2019-06-21 | 2019-06-21 | Hydraulic gear shifting mechanism for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715896U true CN210715896U (en) | 2020-06-09 |
Family
ID=70927588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920957996.3U Expired - Fee Related CN210715896U (en) | 2019-06-21 | 2019-06-21 | Hydraulic gear shifting mechanism for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715896U (en) |
-
2019
- 2019-06-21 CN CN201920957996.3U patent/CN210715896U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |