CN212717931U - Flexible shaft gear shifting control system - Google Patents
Flexible shaft gear shifting control system Download PDFInfo
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- CN212717931U CN212717931U CN202021561892.XU CN202021561892U CN212717931U CN 212717931 U CN212717931 U CN 212717931U CN 202021561892 U CN202021561892 U CN 202021561892U CN 212717931 U CN212717931 U CN 212717931U
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- gear
- gear shifting
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- selecting
- shifting
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Abstract
The utility model relates to a transmission field, specific flexible axle gear shift operating system that says so, including gear shift operating lever and select shelves rocking arm and the gear shift rocking arm that links to each other with it respectively. The gear selecting rocker arm is connected with the gear selecting swing arm through a gear selecting flexible shaft, and the gear shifting rocker arm is connected with the gear shifting swing arm through a gear shifting flexible shaft. The gear selecting swing arm is connected with a gear selecting shaft positioned in the upper cover of the gearbox. The gear selecting shaft is sleeved with a gear shifting head, a gear shifting push rod connected with the gear shifting swing arm is arranged in front of the gear shifting head, and a return spring sleeved on the gear selecting shaft is arranged at the rear of the gear shifting push rod. The gear selecting shaft drives the gear shifting head to rotate left and right to realize the selection of three gear selecting gears, namely left, middle and right, and the gear shifting push rod pushes the gear shifting head to realize the selection of two gear shifting gears, namely front and back, on each gear selecting gear. The utility model discloses a flexible shaft connection can confirm the position of gear shift control rod according to the space in the driver's cabin, can realize the selection of six different gears, safe convenience, job stabilization, convenient operation.
Description
Technical Field
The utility model relates to a transmission field, specific flexible axle gear shift operating system that says so.
Background
The tractor is an important agricultural machine, at present, most of gear engaging mechanisms adopt a gear engaging mode of connecting long-arm hard rods, and the tractor adopting the gear engaging mode is inconvenient to operate, easy to cause fatigue of a driver and very unsafe. In order to solve the technical problem, in the prior art, a long arm hard rod is connected with an improved flexible shaft, but a gear shifting fork in a gearbox is too complex, and the operation is inconvenient.
Disclosure of Invention
The utility model discloses a flexible axle gear shift operating system, the utility model discloses a flexible shaft connection can confirm the position of gear shift operating lever according to the space in the driver's cabin, can realize the selection of six different gears, safe convenience, work steady, convenient operation.
The utility model relates to a flexible axle gear shift operating system, including gear shift operating lever and select shelves rocking arm and the gear shift rocking arm that links to each other with it respectively. The gear selecting rocker arm is connected with the gear selecting swing arm through a gear selecting flexible shaft, and the gear shifting rocker arm is connected with the gear shifting swing arm through a gear shifting flexible shaft. The gear shifting swing arm and the gear selecting swing arm are both arranged on the upper cover of the gearbox, the gear selecting swing arm is connected with a gear selecting shaft located in the upper cover of the gearbox, and the gear selecting shaft can rotate along the axis of the gear selecting shaft. The gear selecting shaft is sleeved with a gear shifting head capable of sliding along the central axis of the gear selecting shaft, a gear shifting push rod connected with the gear shifting swing arm is arranged in front of the gear shifting head, and a return spring sleeved on the gear selecting shaft is arranged behind the gear shifting push rod. The gear selecting shaft drives the gear shifting head to rotate left and right to select a left gear selecting gear, a middle gear selecting gear and a right gear selecting gear, and the gear shifting push rod pushes the gear shifting head to select a front gear shifting gear and a rear gear shifting gear on each gear selecting gear.
Preferably, the gear shift shifting block is provided with a through hole through which the gear shift push rod can pass, and the gear shift push rod extends into the through hole.
Preferably, a limiting piece located in front of the gear shifting push rod is fixedly arranged on the gear selecting shaft.
Preferably, a return spring is also arranged on the gear selecting shaft behind the gear shifting push rod.
Preferably, one end of the return spring, which is close to the middle of the gear selecting shaft, is fixedly provided with a spring catch which can move back and forth along the gear selecting shaft along with the return spring.
The utility model has the advantages that: the utility model can realize the selection of six different gears, and has more gears and convenient operation; the utility model adopts flexible shaft connection, can determine the position of the shift control lever according to the space in the cab, and is safe and convenient; the arrangement of the limiting piece can prevent the gear shifting push rod from being over-positioned when returning forwards; a return spring arranged behind the gear shifting block can help the gear shifting block to realize gear shifting; the return spring that gear shift push rod the place ahead set up can not only prevent that the gear shift push rod from shifting when returning forward, can also absorb the vibrations that the gear shift push rod produced when returning forward, makes the utility model discloses it is more steady when the gear shift.
Drawings
The invention will be further explained with reference to the accompanying drawings, which are simplified schematic drawings and are only schematic illustrations of the basic structure of the invention and do not constitute a limitation of the invention:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of section A-A of FIG. 1;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 4 is a cross-sectional view of section B-B of FIG. 3;
fig. 5 is a schematic structural diagram of a third embodiment of the present invention;
in the figure: 1. the gear-shifting device comprises a gear-shifting control lever, 2, a gear-selecting rocker arm, 3, a gear-shifting rocker arm, 4, a gear-selecting swing arm, 5, a gear-shifting swing arm, 6, a gear-selecting flexible shaft, 7, a gear-shifting flexible shaft, 8, a gear-selecting shaft, 9, a gear-shifting head, 10 and a gear-shifting push rod. 11. The gear box comprises a return spring, 12, a spring blocking piece, 13, a through hole, 14, a gear box upper cover, 15 and a limiting piece.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure, as the terms used are used to describe particular embodiments only, and are not intended to limit the exemplary embodiments based on the disclosure.
Fig. 1 and 2 show that the utility model relates to a flexible axle gear shift control system, including gear shift control lever 1 and select gear rocking arm 2 and gear shift rocking arm 3 that link to each other respectively. The gear selecting rocker arm 2 is connected with a gear selecting swing arm 4 through a gear selecting flexible shaft 6, the gear shifting rocker arm 3 is connected with a gear shifting swing arm 5 through a gear shifting flexible shaft 7, and the gear shifting swing arm 5 and the gear selecting swing arm 4 are both arranged on a transmission case upper cover 14. The gear selecting swing arm 4 is connected with a gear selecting shaft 8 positioned in the gearbox upper cover 14, the gear selecting shaft 8 can rotate along the axis of the gear selecting shaft 8, and a gear shifting block 9 capable of sliding along the central axis of the gear selecting shaft 8 is sleeved on the gear selecting shaft 8. A gear shifting push rod 10 connected with the gear shifting swing arm 5 is arranged in front of the gear shifting head 9, a return spring 11 sleeved on the gear selecting shaft 8 is arranged at the rear of the gear shifting head, a spring blocking piece 12 capable of moving back and forth along the gear selecting shaft 8 along with the return spring 11 is fixedly arranged at one end, close to the middle of the gear selecting shaft 8, of the return spring 11, and a limiting piece 15 located in front of the gear shifting push rod 10 is fixedly arranged on the gear selecting shaft 8. The gear selecting shaft 8 drives the gear shifting head 9 to rotate left and right to realize the selection of three gear selecting gears, namely left, middle and right, and the gear shifting push rod 10 pushes the gear shifting head 9 to realize the selection of two gear shifting gears, namely front and back, on each gear selecting gear.
The left-right swing gear shift operating lever 1 drives a gear selection swing arm 4 to rotate through a gear selection rocker arm 2 and a gear selection flexible shaft 6 connected with the gear selection rocker arm, so that a gear shift shaft drives a gear shift shifting head 9 on the gear selection rocker arm to rotate, and selection of three gear selection gears, namely a left gear selection gear, a middle gear and a right gear selection gear, is realized; the gear shifting control rod 1 is pulled backwards, the gear shifting rocker arm 3 and the gear shifting flexible shaft 7 connected with the gear shifting rocker arm drive the gear shifting swing arm 5 to rotate, the gear shifting push rod 10 further drives the gear shifting head 9 to move backwards, the gear shifting control rod 1 is pushed forwards, the gear shifting rocker arm 3 and the gear shifting flexible shaft 7 connected with the gear shifting rocker arm drive the gear shifting swing arm 5 to rotate, and under the combined action of the return spring 11, the gear shifting head 9 is pushed to move forwards, so that the selection of a front gear shifting position and a rear gear shifting position is sequentially realized. To sum up, the utility model discloses can realize the selection of six different gears. The limiting piece 15 is arranged to prevent the shift push rod 10 from being over-positioned when returning forward.
Second embodiment:
in the first embodiment, as shown in fig. 3 and 4, a through hole 13 is formed in the shift rod 9 for the shift push rod 10 to pass through, and the shift push rod 10 extends into the through hole 13, so that the shift rod 9 and the shift push rod 10 are more tightly fitted.
The third embodiment:
in addition to the first or second embodiment, as shown in fig. 5, a return spring 11 is provided on the select shaft 8 behind the shift rod 10. And a spring catch 12 capable of moving back and forth along the gear selection shaft 8 along with the return spring 11 is fixedly arranged at one end of the return spring 11 close to the middle of the gear selection shaft 8.
A return spring 11 arranged behind the gear shifting block 9 can help the gear shifting block 9 to realize gear shifting; the return spring 11 that the place ahead of gear shift push rod 10 set up can not only prevent that gear shift push rod 10 from shifting when returning forward, can also absorb the vibrations that produce when gear shift push rod 10 returns forward, makes the utility model discloses a gear shift is more steady.
It is worth noting that the term "front" describing the orientation of the present invention refers to the right side of the drawing, and "rear" refers to the left side of the drawing; "left, in, three select gear position on the right" and "preceding, two back gear shift positions" only be with the simple description of direction assorted when 1 engage gear of gear shift control rod, only in order to description that can be simpler the utility model discloses, can not understand right the utility model discloses a restriction, specific gear name still need be confirmed according to each drive disk assembly's in the gearbox position.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a flexible axle gear shift operating system, includes the gear shift operating lever and selects shelves rocking arm and gear shift rocking arm rather than linking to each other respectively, select the shelves rocking arm to pass through select shelves flexible axle connection select the shelves swing arm, the gear shift rocking arm passes through the gear shift flexible axle connection gear shift swing arm, the gear shift swing arm with select the shelves swing arm all to set up on the gearbox upper cover, its characterized in that: the gear selecting swing arm is connected with a gear selecting shaft located in the upper cover of the gearbox, the gear selecting shaft can rotate along the axis of the gear selecting shaft, a gear shifting head capable of sliding along the axis of the gear selecting shaft is sleeved on the gear selecting shaft, a gear shifting push rod connected with the gear shifting swing arm is arranged in front of the gear shifting head, a return spring sleeved on the gear selecting shaft is arranged at the rear of the gear shifting head, the gear selecting shaft drives the gear shifting head to rotate left and right to realize selection of three gear selecting gears, namely a left gear selecting gear, a middle gear and a right gear, and the gear shifting push rod pushes the gear shifting head to realize selection of two gear shifting gears, namely a front gear and a rear gear, on each.
2. The flexible shaft gear shift operating system according to claim 1, wherein: the gear shifting head is provided with a through hole through which the gear shifting push rod can pass, and the gear shifting push rod extends into the through hole.
3. The flexible shaft gear shift operating system according to claim 1 or 2, characterized in that: and a limiting sheet positioned in front of the gear shifting push rod is fixedly arranged on the gear selecting shaft.
4. The flexible shaft gear shift operating system according to claim 1, wherein: and a return spring is also arranged on the gear selecting shaft behind the gear shifting push rod.
5. The flexible shaft gear shift operating system according to claim 1 or 4, characterized in that: and a spring catch which can move back and forth along the gear selecting shaft along with the return spring is fixedly arranged at one end of the return spring close to the middle of the gear selecting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561892.XU CN212717931U (en) | 2020-07-31 | 2020-07-31 | Flexible shaft gear shifting control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561892.XU CN212717931U (en) | 2020-07-31 | 2020-07-31 | Flexible shaft gear shifting control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717931U true CN212717931U (en) | 2021-03-16 |
Family
ID=74911471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021561892.XU Active CN212717931U (en) | 2020-07-31 | 2020-07-31 | Flexible shaft gear shifting control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717931U (en) |
-
2020
- 2020-07-31 CN CN202021561892.XU patent/CN212717931U/en active Active
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