CN216034623U - Tractor steering wheel adjusting and locking device - Google Patents
Tractor steering wheel adjusting and locking device Download PDFInfo
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- CN216034623U CN216034623U CN202121875969.5U CN202121875969U CN216034623U CN 216034623 U CN216034623 U CN 216034623U CN 202121875969 U CN202121875969 U CN 202121875969U CN 216034623 U CN216034623 U CN 216034623U
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- upright post
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- positioning pin
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- 239000011148 porous material Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a tractor steering wheel adjusting and locking device which is arranged on a vehicle body and comprises an upper upright post sleeve arranged outside a steering upper upright post, wherein the lower end of the upper upright post sleeve is connected with a locking pore plate, a plurality of shaft holes are formed in the locking pore plate, a locking shaft support frame is arranged on the vehicle body and close to the upper upright post sleeve, and a pedal positioning pin locking device is arranged on the locking shaft support frame and corresponds to the locking pore plate. When the steering wheel is used, the steering wheel and the vehicle body are unlocked by stepping on the pedal connecting rod and the pedal positioning pin locking device, the angle of the upper upright post is adjusted by hands according to needs, the pedal connecting rod is loosened after the adjustment is finished, and the pedal positioning pin locking device and the locking hole plate are locked again to fix the upper upright post. Due to the cooperation of hands and feet, the steps are connected compactly, and the operation is efficient.
Description
Technical Field
The utility model relates to a steering wheel adjusting device, in particular to a tractor steering wheel adjusting and locking device.
Background
With the development of the technology, people have great improvement on the comfort of the tractor, and due to different body sizes of operators, the comfort requirements on the position and the angle of a steering wheel are different. The adjustable steering wheel usually comprises an upper steering column and a lower steering column which are in transmission connection with each other, the upper steering column and the lower steering column are respectively connected with the steering wheel and the steering gear, the outer parts of the upper steering column and the lower steering column are respectively sleeved with an upper column sleeve and a lower column sleeve, the lower column sleeve is fixedly connected with a vehicle body, and the upper column sleeve is connected with the vehicle body through a locking device. The angle and the direction of the steering wheel can be adjusted by unlocking the steering wheel when needed. At present, an adjustable steering wheel of a tractor on the domestic market generally passes through a manual locking device, the locking device needs to be loosened, the steering wheel is adjusted and the locking device needs to be fixed in sequence by hands when the adjustable steering wheel is used, and the three steps are not compact and efficient enough in connection. Also there is technical scheme to control the unblock through pedal mechanism, uses locking formula air spring unblock steering wheel, cooperates hand adjustment steering wheel simultaneously, convenient operation, laborsaving high efficiency etc. but its cost is higher, and the reliability is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a tractor steering wheel adjusting and locking device which is simple in structure, convenient to operate and high in efficiency.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a tractor steering wheel adjusting and locking device is mounted on a vehicle body and comprises an upper stand column sleeve arranged outside a steering upper stand column, wherein the lower end of the upper stand column sleeve is connected with a locking hole plate, a plurality of shaft holes are formed in the locking hole plate, a locking shaft support frame is arranged on the vehicle body and close to the upper stand column sleeve, and a pedal positioning pin locking device is arranged on the locking shaft support frame and corresponds to the locking hole plate.
According to the preferable technical scheme, the pedal positioning pin locking device comprises a shaft sleeve, a positioning pin shaft is movably arranged in the shaft sleeve, one end of the positioning pin shaft can be inserted into the shaft hole, a return spring is arranged between the positioning pin shaft and the shaft sleeve, and the other end of the positioning pin shaft is matched with a pedal lever driving device connected with the shaft sleeve.
According to the preferable technical scheme, the shaft sleeve comprises a fixed sleeve and a fixed spiral sleeve, the pedal rod driving device comprises a movable spiral sleeve, the contact surfaces of the movable spiral sleeve and the fixed spiral sleeve are respectively provided with mutually matched spiral surfaces, and the movable spiral sleeve is connected with a pedal connecting rod.
As an optimized technical scheme, the positioning pin shaft penetrates through the fixed sleeve and the fixed spiral sleeve, a check ring is arranged on the positioning pin shaft and positioned between the fixed sleeve and the fixed spiral sleeve, and the return spring is arranged between the check ring and the fixed spiral sleeve.
As the preferred technical scheme, the upper upright sleeve is connected with an upright tension spring, and the upright tension spring is connected with the vehicle body.
According to the preferable technical scheme, a lower upright post sleeve is arranged outside the steering lower upright post, a lower fork extends out of the lower end of the upper upright post sleeve, an upper fork extends out of the upper end of the lower upright post sleeve, the lower fork and the upper fork are hinged with each other, and the steering upper upright post and the steering lower upright post are in transmission connection through a universal joint.
As a preferred technical scheme, the shaft holes on the locking pore plate are distributed along an arc with the universal joint as the center of a circle.
By adopting the technical scheme, the pedal connecting rod is stepped down during use, the pedal positioning pin locking device enables the steering wheel to be unlocked with the vehicle body, the angle of the upper upright post is adjusted by hands according to needs, the pedal connecting rod is loosened after the adjustment is finished, the pedal positioning pin locking device and the locking hole plate are locked again, and the upper upright post is fixedly turned. Due to the cooperation of hands and feet, the steps are connected compactly, and the operation is efficient.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of the construction of the upper steering column and locking orifice of the present invention;
fig. 4 is a structural schematic view of the lock shaft support bracket of the present invention;
FIG. 5 is a schematic view showing the construction of the foot link of the present invention.
In the figure: 1-steering upper upright; 2-mounting the upright post sleeve; 3-locking the orifice plate; 4-locking shaft support frame; 5-positioning a pin shaft; 6-a return spring; 7-fixing the sleeve; 8-fixing the spiral sleeve; 9-moving the spiral sleeve; 10-a foot link; 11-a retainer ring; 12-column tension spring; 13-lower fork; 14-upper fork; 15-universal joint.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, 2, 3, 4 and 5, the adjusting and locking device for the steering wheel of the tractor is mounted on a vehicle body and comprises an upper column sleeve 2 arranged outside a steering upper column 1, wherein the lower end of the upper column sleeve 2 is connected with a locking pore plate 3, the locking pore plate 3 is provided with a plurality of shaft holes, a locking shaft support frame 4 is arranged on the vehicle body close to the upper column sleeve 2, and a pedal positioning pin locking device is arranged on the locking shaft support frame 4 corresponding to the locking pore plate 3.
The locking shaft support frame 4 can be fixedly connected with positions of a cab, a front baffle, a portal frame and the like of a tractor, is connected with a locking device of a positioning pin shaft 5 through a locking hole plate 3, and the upper upright column sleeve 2 is fixedly connected with a vehicle body.
When the steering wheel is used, the pedal connecting rod 10 is stepped down to enable the movable spiral sleeve 9 to rotate relative to the fixed spiral sleeve 8, the connecting surface between the two is a spiral surface, the movable spiral sleeve 9 moves outwards relative to the fixed spiral sleeve 8 through relative rotation to drive the positioning pin shaft 5 to move outwards and is pulled out from the shaft hole of the locking hole plate 3, the upper upright post sleeve 2 is connected with the vehicle body to be unlocked, the angle of the steering wheel can be adjusted around the universal joint 15 according to needs, the pedal connecting rod 10 is loosened after the adjustment is completed, the positioning pin shaft 5 is reinserted into the new shaft hole of the locking hole plate 3 under the action of the return spring 6, and the upper upright post 1 is locked through steering. Due to the cooperation of hands and feet, the steps are connected compactly and efficiently.
As shown in fig. 1, 2, 4 and 5, the pedal positioning pin locking device comprises a shaft sleeve, a positioning pin shaft 5 is movably arranged in the shaft sleeve, one end of the positioning pin shaft 5 can be inserted into the shaft hole, a return spring 6 is arranged between the positioning pin shaft 5 and the shaft sleeve, and the other end of the positioning pin shaft 5 is matched with a pedal lever driving device connected with the shaft sleeve.
As shown in fig. 1, fig. 2, fig. 4 and fig. 5, the shaft sleeve includes a fixed sleeve 7 and a fixed screw sleeve 8, the pedal rod driving device includes a movable screw sleeve 9, the contact surfaces of the movable screw sleeve 9 and the fixed screw sleeve 8 are respectively provided with screw surfaces which are mutually matched, and the movable screw sleeve 9 is connected with a pedal connecting rod 10.
The movable spiral sleeve 9 and the positioning pin shaft 5 can be movably connected through an elastic pin.
As shown in fig. 1, 2 and 4, the positioning pin 5 passes through the fixed sleeve 7 and the fixed spiral sleeve 8, a retainer ring 11 is arranged on the positioning pin 5 between the fixed sleeve 7 and the fixed spiral sleeve 8, and the return spring 6 is arranged between the retainer ring 11 and the fixed spiral sleeve 8.
As shown in fig. 1 and 2, the upper pillar sleeve 2 is connected with a pillar tension spring 12, and the pillar tension spring 12 is connected with the vehicle body.
As shown in fig. 1 and 2, a lower column sleeve is arranged outside the steering lower column, a lower fork 13 extends from the lower end of the upper column sleeve 2, an upper fork 14 extends from the upper end of the lower column sleeve, the lower fork 13 and the upper fork 14 are hinged to each other, and the steering upper column 1 and the steering lower column are in transmission connection through a universal joint 15.
As shown in fig. 1 and 3, the shaft holes of the locking hole plate 3 are arranged along an arc with the universal joint 15 as a center. When the user needs to get off the vehicle, the pedal connecting rod 10 is stepped down, the steering upper upright post 1 automatically moves forwards under the action of the upright post tension spring 12, and a larger space for getting on and off the vehicle is provided.
The relative connections of the steering wheel, the upper steering column 1, the universal joint 15, the lower steering column, the steering gear and other parts are common connection modes, and the technical scheme of the utility model is not described in detail.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a locking device is adjusted to tractor steering wheel, installs on the automobile body, including setting up the last stand sleeve pipe outside turning to the upper column, its characterized in that: the lower end of the upper upright post sleeve is connected with a locking pore plate, a plurality of shaft holes are formed in the locking pore plate, a locking shaft support frame is arranged on the vehicle body and close to the upper upright post sleeve, and a pedal positioning pin locking device is arranged on the locking shaft support frame and corresponds to the locking pore plate.
2. A tractor steering wheel adjustment locking device as claimed in claim 1, characterized in that: the pedal positioning pin locking device comprises a shaft sleeve, a positioning pin shaft is movably arranged in the shaft sleeve, one end of the positioning pin shaft can be inserted into the shaft hole, a return spring is arranged between the positioning pin shaft and the shaft sleeve, and the other end of the positioning pin shaft is matched with a pedal lever driving device connected with the shaft sleeve.
3. A tractor steering wheel adjustment locking device as claimed in claim 2, characterized in that: the axle sleeve includes fixed cover and decides the scroll cover, foot bar drive arrangement moves the scroll cover including moving, move the scroll cover with the contact surface of deciding the scroll cover is provided with the helicoid of mutually supporting respectively, it is connected with pedal connecting rod to move the scroll cover.
4. A tractor steering wheel adjustment locking device as claimed in claim 3, characterized in that: the positioning pin shaft penetrates through the fixed sleeve and the fixed spiral sleeve, a check ring is arranged on the positioning pin shaft and positioned between the fixed sleeve and the fixed spiral sleeve, and the return spring is arranged between the check ring and the fixed spiral sleeve.
5. A tractor steering wheel adjustment locking device as claimed in claim 1, characterized in that: the upper upright post sleeve is connected with an upright post tension spring, and the upright post tension spring is connected with the vehicle body.
6. A tractor steering wheel adjustment locking device as claimed in claim 1, characterized in that: the steering lower upright post is externally provided with a lower upright post sleeve, the lower end of the upper upright post sleeve extends out of a lower fork, the upper end of the lower upright post sleeve extends out of an upper fork, the lower fork and the upper fork are hinged with each other, and the steering upper upright post and the steering lower upright post are in transmission connection through a universal joint.
7. A tractor steering wheel adjustment locking device as claimed in claim 6, characterized in that: the shaft holes on the locking pore plate are distributed along an arc with the universal joint as the center of a circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121875969.5U CN216034623U (en) | 2021-08-12 | 2021-08-12 | Tractor steering wheel adjusting and locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121875969.5U CN216034623U (en) | 2021-08-12 | 2021-08-12 | Tractor steering wheel adjusting and locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216034623U true CN216034623U (en) | 2022-03-15 |
Family
ID=80558066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121875969.5U Active CN216034623U (en) | 2021-08-12 | 2021-08-12 | Tractor steering wheel adjusting and locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216034623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025145821A1 (en) * | 2024-01-02 | 2025-07-10 | 金龙联合汽车工业（苏州）有限公司 | Danger-avoidance warning system for passenger car, and control method therefor |
-
2021
- 2021-08-12 CN CN202121875969.5U patent/CN216034623U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025145821A1 (en) * | 2024-01-02 | 2025-07-10 | 金龙联合汽车工业（苏州）有限公司 | Danger-avoidance warning system for passenger car, and control method therefor |
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