CN219883677U

CN219883677U - Clutch control mechanism and four-wheel riding mini-tiller

Info

Publication number: CN219883677U
Application number: CN202321706354.9U
Authority: CN
Inventors: 何吕; 王卫兵; 肖国平
Original assignee: Chongqing Huashidan Agricultural Equipment Manufacturing Co ltd
Current assignee: Chongqing Huashidan Agricultural Equipment Manufacturing Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-10-24
Anticipated expiration: 2033-07-03

Abstract

The patent application discloses a clutch control mechanism and a four-wheel riding mini-tiller, which relate to the technical field of agricultural machinery and comprise a first control part, wherein the first control part comprises a clutch control pedal plate which is used for stepping when riding and driving, the clutch control pedal plate is connected with a shifting fork shaft of a clutch, and the clutch control pedal plate can drive the shifting fork shaft of the clutch; the second control part is arranged at the tail part of the micro-cultivator body and comprises a grip, a clutch control handle assembly, a control stay rope and a control rod, wherein the clutch control handle assembly is arranged on the grip, one end of the control stay rope is connected with the clutch control handle assembly, the other end of the control stay rope is connected with one end of the control rod, and the clutch control handle assembly can drive the control rod through the control stay rope and drive a shifting fork shaft of a clutch through the control rod. The safety of controlling the mini-tiller in a dangerous scene can be greatly improved, and the life safety of users is guaranteed.

Description

Clutch control mechanism and four-wheel riding mini-tiller

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a clutch control mechanism and a four-wheel riding mini tiller.

Background

Four-wheel riding mini tiller, an operator can sit on a driver seat to control the mini tiller to cultivate or travel, the operator does not need to hold the mini tiller, the operator does not need to apply force downwards, labor intensity is greatly reduced, and however, the four-wheel riding mini tiller still has the defects when in use: when the four-wheel riding mini tiller is used for transporting or conveying cargoes, a slope is built on a carriage and the ground, a driver sits on a driver seat to control the mini tiller, and the driver enters the carriage from the ground along the slope through own power, however, because the built slope is usually large in gradient and unstable, a large potential safety hazard exists, the four-wheel riding mini tiller is particularly used in hills and mountain areas, road conditions are bumpy, the driver sits on the driver seat to control the mini tiller to run and face the risk of tipping, and if the driver leaves the driver seat, the driver cannot continuously control the mini tiller.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a clutch control mechanism capable of leaving a driving position to control a mini-tiller and a four-wheel riding mini-tiller, so as to solve the technical problems that a driver leaves the driving position and cannot continuously control the mini-tiller in the face of a dangerous scene.

The technical scheme adopted by the utility model is as follows:

a clutch operating mechanism comprises a clutch operating mechanism body,

the first control part comprises a clutch control pedal, the clutch control pedal is connected with a shifting fork shaft of the clutch, and the clutch control pedal can drive the shifting fork shaft of the clutch;

the second control part is arranged at the tail part of the micro-cultivator body and comprises a grip, a clutch control handle assembly, a control stay rope and a control rod, wherein the clutch control handle assembly is arranged on the grip, one end of the control stay rope is connected with the clutch control handle assembly, the other end of the control stay rope is connected with one end of the control rod, and the clutch control handle assembly can drive the control rod through the control stay rope and drive a shifting fork shaft of a clutch through the control rod.

Compared with the prior art, the utility model has the beneficial effects that:

by arranging the first control part and the second control part, an operator only needs to ride on the mini-tiller under the condition of good walking or cultivation road conditions, and the pedal is controlled by controlling the clutch of the first control part to control the walking of the mini-tiller; under the dangerous scene of walking or cultivation road conditions, such as the condition that the mini-tiller is transported or is used for transporting goods and passes through abrupt slope boarding, road surface jolt, road surface stenosis and the like, an operator releases the clutch control pedal of the first control part and gets off from the mini-tiller, holds the handle of the second control part on the ground, controls the control cable through operating the clutch control handle assembly, drives the control rod through the control cable, and drives the shifting fork shaft of the clutch through the control rod, so that the mini-tiller is controlled to walk. The clutch control mechanism of this scheme sets up, can be very big improvement control the security of ploughing the machine a little under the dangerous scene, guarantee user's life safety.

The second control part is rotatably connected with the tail of the mini-tiller body through the rotating structure, and can rotate to an unfolding or folding state at one side of the mini-tiller along a vertical plane or a transverse plane.

The second control part can rotate to one side of the mini-tiller along the vertical plane or the transverse plane, so that a driver can control the four-wheel riding mini-tiller at one side of the mini-tiller or at the rear of the mini-tiller, and when the mini-tiller is transported, the driver can control the second control part at the rear of the mini-tiller to control the mini-tiller to transport; when a driver uses the mini-tiller to transport goods to get on a car through a steep slope or jolt on a road surface or the condition of narrow road surface, the driver laterally controls the mini-tiller on one side of the mini-tiller, at the moment, the other hand of the driver can also control other control components of the four-wheel riding mini-tiller, such as a steering wheel, and the mini-tiller can be operated on the ground, and the running direction of the mini-tiller can be controlled while the mini-tiller is controlled to run through the second control part.

As a preferred embodiment of the utility model, the rotating structure further comprises a fixed shaft, the fixed shaft is arranged in the rotary drum in a penetrating way, one end of the fixed shaft is fixedly connected with the tail of the micro-cultivator body, and the other end of the fixed shaft is provided with a locking piece for locking and fixing the rotary drum.

The second control part is locked and fixed on the rotary drum through the locking piece when rotating to a certain position, so that a driver can adjust the position of the second control part at multiple angles, and the four-wheel riding mini tiller is easy to control by the driver.

As a preferable implementation mode of the utility model, the fixed shaft is fixedly provided with the positioning block, one end of the rotary drum is provided with the positioning groove matched with the positioning block, and the positioning groove and the positioning block are matched to be switched to an unfolding or folding state towards one side of the mini-tiller.

Through adjusting the retaining member, make the rotary drum remove along the dead axle to make locating piece embedding constant head tank or locating piece and constant head tank separation, not only can also the position of multi-angle adjustment second control portion at reduction in production cost, and the locating piece can support spacingly to the circumference of rotary drum.

As a preferred embodiment of the present utility model, the second manipulation part is provided at the back surface of the backrest.

The second control part is arranged on the back of the backrest, so that on one hand, the height of the second control part is suitable for operation by a user, and on the other hand, an installation structure is not required to be additionally arranged, the structure is simple, and the cost is effectively reduced.

As a preferred embodiment of the utility model, the control rod is L-shaped, one end of the control rod, which is far away from the control inhaul cable, is lapped on the clutch control pedal, the bending part of the control rod is provided with a rotating pin shaft, the inner side of the bending part of the control rod is abutted against the rotating pin shaft, or the bending part of the control rod is rotationally connected with the rotating pin shaft.

The control rod is L-shaped, so that the clutch can be controlled to control the pedal plate and further control the shifting fork shaft of the clutch when the L-shaped control rod rotates, the structure is simple, and the production cost is reduced.

As a preferred embodiment of the utility model, the clutch control handle assembly comprises a control handle and a connecting seat, wherein the control handle is connected with the connecting seat, and the connecting seat is arranged on the grip.

Through setting up the connecting seat with the control handle interconnection to with the connecting seat setting on the handle, can effectively combine control handle and handle, make things convenient for control handle installation.

As a preferred embodiment of the utility model, the end of the grip is provided with a rubber sleeve, and a flange is circumferentially arranged on the end of the rubber sleeve, which is close to the connecting seat, and the flange is abutted against the connecting seat.

The end part of the handle is provided with the rubber sleeve, and the end part of the rubber sleeve, which is close to the connecting seat, is abutted against the connecting seat, so that the clutch control handle assembly can be conveniently held and simultaneously can be limited, and the clutch control handle assembly is prevented from falling off the handle.

As a second aspect of the present utility model, a four-wheel riding mini tiller is also disclosed, which comprises a power assembly and a gearbox, wherein the power assembly is in transmission connection with the gearbox through a clutch, and the four-wheel riding mini tiller further comprises the clutch control mechanism.

As a preferred embodiment of the utility model, the gearbox comprises a front gearbox and a rear gearbox, the front gearbox is in transmission connection with the rear gearbox, the power output of the front gearbox drives a front wheel shaft, the power output of the rear gearbox drives a rear wheel shaft, and the front wheel shaft or the rear wheel shaft is detachably provided with a tillage implement or a travelling wheel.

Drawings

FIG. 1 is a schematic view of a clutch operating mechanism embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of the utility model at E in FIG. 1;

FIG. 3 is a schematic view of a clutch operating mechanism embodiment of the present utility model from another perspective;

FIG. 4 is an enlarged view of a portion of the present utility model at B in FIG. 2;

fig. 5 is a schematic view of a rotating mechanism embodiment of the present utility model.

Reference numerals: the handle 1, the control cable 2, the clutch control handle assembly 3, the clutch control pedal 4, the control rod 5, the shifting fork shaft 6, the return spring 7, the backrest 8, the rotating structure 9, the rubber sleeve 10, the rotating pin 11, the control handle 31, the connecting seat 32, the positioning block 91, the positioning groove 92, the rotary drum 93, the fixed shaft 94, the locking piece 95 and the flange 101.

Detailed Description

Exemplary embodiments that embody features and advantages of the present utility model will be set forth in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the utility model.

In the description of the present utility model, the orientation or positional relationship indicated by the terms "first", "second", "one side", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

An example is substantially as shown in figure 1: the utility model provides a separation and reunion operating mechanism, is applied on four-wheel riding type mini-tiller, includes first operating portion, second operating portion and rotating structure 9, and rotating structure 9 sets up at the mini-tiller organism afterbody, and the second operating portion can rotate to mini-tiller one side along vertical plane or horizontal plane, and rotating structure 9 sets up the back at the back of the back 8 of the mini-tiller organism afterbody of four-wheel riding type mini-tiller, and second operating portion passes through rotating structure 9 and is connected with the rotation of mini-tiller organism afterbody. Through rotating the second control part to one side of the mini-tiller along the vertical plane or the transverse plane, a driver can control the four-wheel riding mini-tiller laterally, and when the driver controls the mini-tiller laterally, the other hand of the driver can also control the steering wheel to control the advancing direction.

As shown in fig. 2, the first operating part comprises a clutch control pedal plate 4 for stepping on when the driver is riding and stepping on the pedal plate for riding and driving, the clutch control pedal plate 4 is connected with a fork shaft 6 of the clutch, the end part of the clutch control pedal plate 4 away from the pedal position is connected with the end part of the fork shaft 6, a return spring 7 is arranged on the clutch control pedal plate 4, the fork shaft 6 of the clutch can be driven to rotate under the action of the external force of stepping on the clutch control pedal plate 4 so as to enable the fork to drive the clutch to be engaged, the stepping on the clutch control pedal plate 4 is released, and the clutch control pedal plate 4 returns to the initial position under the action of the return spring 7. When the mini-tiller needs to walk, the clutch control pedal 4 is stepped on, so that the control shifting fork shaft 6 rotates under the action of external force, the shifting fork drives the clutch to be engaged, and the main shaft of the speed change mechanism is driven to rotate by the engine; when the vehicle needs to stop, the pedal clutch control pedal 4 is loosened, the pedal clutch control pedal 4 returns to the initial position under the action of the return spring 7, the shifting fork shaft 6 reversely rotates, the shifting fork drives the clutch to separate, and the output shaft of the four-wheel riding mini-tiller power is disconnected from the main shaft of the speed change mechanism.

The second control part comprises a grip 1, a clutch control handle assembly 3, a control stay rope 2 and a control rod 5, wherein the clutch control handle assembly 3 is arranged on the grip 1, the clutch control handle assembly 3 comprises a control handle 31 and a connecting seat 32.

As shown in fig. 2, one end of the control cable 2 is connected with a control handle 31 of the clutch control handle assembly 3, the other end of the control cable 2 is connected with one end of the control rod 5, and the clutch control handle assembly 3 can drive the control rod 5 through the control cable 2 and drive a shift shaft 6 of a clutch through the control rod 5. In this embodiment, the specific steps are: the control rod 5 is an L-shaped, a rotating pin shaft 11 is arranged at a bending part of the control rod 5, the inner side of the bending part can be attached to the rotating pin shaft 11 and rotate around the rotating pin shaft 11, in other embodiments, the bending part can be rotatably connected to the rotating pin shaft, one end of the control rod 5 is connected with one end of the control inhaul cable 2, and the other end of the control rod 5 is lapped and pressed on the clutch control pedal 4. When the clutch control handle assembly 3 pulls the control cable 2, the control cable 2 pulls one end of the L-shaped control rod 5 to enable the control rod 5 to rotate around the rotation pin shaft, and the other end of the control rod 5 is pressed on the clutch control pedal 4 to produce the same effect as that of stepping on the clutch control pedal 4 to control the rotation of the shift fork shaft 6, so that the shift fork drives the clutch to be engaged.

In some other embodiments, the control rod 5 may also be a straight rod, a rotating member is disposed on the rod body of the straight rod, one end of the straight rod is connected with the control cable 2, the other end of the straight rod is in sliding contact with the clutch control pedal 4 on the clutch control pedal 4, the control cable 2 pulls one end of the straight rod to rotate the straight rod, and the other end of the straight rod rotates to drive the clutch control pedal 4 to rotate.

As shown in fig. 3-4, the clutch control handle assembly 3 comprises a control handle 31 and a connecting seat 32, the control handle 31 is interconnected with the connecting seat 32, the connecting seat 32 is arranged on the handle 1, the bottom surface of the connecting seat 32 is provided with an arc-shaped surface for being attached to the handle 1, and the connecting seat 32 is provided with a clamping part which is clamped on the handle 1.

The end of the handle 1 is provided with a rubber sleeve 10, a flange 101 is circumferentially arranged at the end of the rubber sleeve 10 close to the connecting seat 32, and the flange 101 is abutted against the connecting seat 32.

As shown in fig. 5, the rotating structure 9 includes a positioning block 91, a rotating drum 93, a fixed shaft 94 and a locking member 95, one end of the fixed shaft 94 is fixedly connected with the back of the backrest 8, the other end of the fixed shaft 94 passes through the rotating drum 93 and extends out of the rotating drum 93, the other end of the fixed shaft 94 is provided with external threads, and the locking member 95 is in threaded connection with the fixed shaft 94. The positioning block 91 is fixedly arranged on the fixed shaft 94, one end of the rotary drum 93 is provided with a positioning groove 92 matched with the positioning block 91, the positioning block 91 and the fixed shaft 94 are coaxially arranged, the rotary drum 93 is provided with the positioning groove 92 towards the positioning block 91, the positioning groove 92 and the rotary drum 93 are coaxially arranged, the rotary drum 93 can move along the fixed shaft 94 through adjusting the locking piece 95, so that the positioning block 91 is embedded into the positioning groove 92 or the positioning block 91 is separated from the positioning groove 92, and the positioning groove 92 and the positioning block 91 are matched to be switched to be unfolded or folded towards one side of the mini tiller. The positioning block 91 and the positioning groove 92 may be regular polygons, and the number of sides of the positioning block 91 and the positioning groove 92 may be determined according to the number of common positions, for example, when the common adjusting positions are in the horizontal and vertical directions, the positioning block 91 is square. In some other embodiments, the positioning block 91 and the positioning groove 92 may also be other shapes.

In the embodiment, the first operating part and the second operating part of the clutch operating mechanism can enable the output shaft of the four-wheel riding mini tiller to be connected with the main shaft of the speed change mechanism by controlling the shifting fork shaft 6 of the clutch to rotate. The clutch control pedal 4 of the first operating portion of the clutch operating mechanism is connected to a shift rail 6 of the clutch. The clutch operating mechanism controls the shifting fork shaft 6 of the clutch to control the shifting fork to be separated from and engaged with the clutch.

In this embodiment, the clutch is preferably a counter clutch, and the shift rail 6 is in a state of being separated from the main shaft of the speed change mechanism in the absence of an external force, so that the mini-tiller will not run even if a driver erroneously operates the gear, and the operational safety of the mini-tiller can be improved due to the counter clutch.

As a second aspect of the present utility model, a four-wheel riding mini tiller is also disclosed, which comprises a power assembly and a gearbox, wherein the power assembly is in transmission connection with the gearbox through a clutch, and the four-wheel riding mini tiller further comprises a clutch control mechanism as described above, and the clutch control mechanism controls the clutch to be engaged or disengaged. The power assembly adopts the existing single-cylinder air-cooled gasoline engine or single-cylinder air-cooled diesel engine.

The gearbox comprises a front gearbox and a rear gearbox, the front gearbox is in transmission connection with the power output end of the power assembly, the front gearbox is in transmission connection with the rear gearbox, the power output of the front gearbox drives a front wheel shaft, the power output of the rear gearbox drives a rear wheel shaft, and the front wheel shaft or the rear wheel shaft can be detachably provided with tillage equipment or travelling wheels.

The front gearbox and the rear gearbox can be matched with and switched to a multi-gear four-drive walking mode, a plurality of four-drive cultivation modes or a multi-gear two-drive walking mode. The four-wheel mini-tiller according to the embodiment preferably has 3 front forward gears and 2 rear forward gears (specifically: low-speed tiller and high-speed tiller) and a neutral gear in the front gearbox, and the front gearbox and the rear gearbox can be cooperatively switched to a three-gear four-drive traveling mode, a plurality of four-drive traveling modes or a three-gear two-drive traveling mode.

Three-gear four-wheel drive walking mode:

when ascending a slope or pulling goods, the front gearbox selects one of 3 front forward gears according to road conditions and use scenes, and the rear gearbox is switched to a high-speed walking gear, which is a three-gear four-drive walking mode.

Multiple four-wheel drive farming modes:

the front gearbox selects one of 3 front forward gears according to the condition of a cultivation site, the rear gearbox is switched to a low-speed cultivation gear or a high-speed walking gear according to the soil softness degree, the low-speed cultivation gear is selected for cultivating hard soil, the high-speed walking gear is selected for cultivating soft soil, and the four-wheel-drive walking mode is adopted.

Three-gear two-drive walking mode:

when the vehicle is driven on the flat ground and does not need to drag goods, the front gearbox selects 3 front forward gears according to road conditions, and the rear gearbox is switched to neutral gear, so that the vehicle is in a three-gear two-drive walking mode.

For the arrangement of the multiple cultivation modes and the gearbox, see the patent publication number CN115735455A of the prior application of the applicant, and the name of the utility model is four-wheel miniature cultivation equipment.

When the multi-gear four-wheel drive walking mode, the multi-gear four-wheel drive cultivation mode or the multi-gear two-wheel drive walking mode is used, if an operator is in danger of driving, the operator can operate the second control part by one hand and can control the steering wheel by the other hand at the same time, and the advancing direction is controlled.

The clutch control mechanism controls the process of the four-wheel riding mini tiller:

when a driver leaves the driving position of the four-wheel riding mini tiller, the front gearbox of the four-wheel riding mini tiller or both the front gearbox and the rear gearbox are switched to a low gear, and when the driver leaves the driving position of the four-wheel riding mini tiller, under the action of a return spring 7, a clutch control pedal 4 returns to an initial position, a shifting fork shaft 6 reversely rotates, the clutch is separated, and the output shaft of the four-wheel riding mini tiller is disconnected from a main shaft of a speed change mechanism; the driver adjusts the locking piece 95 to enable the rotary drum 93 to move along one side of the locking piece 95, the positioning groove 92 is separated from the positioning block 91, the handle 1 is rotated to an angle, the handle 1 is rotated to one side of the mini-tiller, the rotary drum 93 moves towards the positioning block 91, the positioning block 91 is embedded into the positioning groove 92, and the locking piece 95 is adjusted to lock and fix the rotary drum 93; when the four-wheel riding mini tiller is transported, a driver grips the grip 1 and the control handle 31 by one hand behind the four-wheel riding mini tiller and applies pressure to the control handle 31, so that the control handle 31 is close to the grip 1, the control cable 2 is pulled to control the clutch to be engaged, the four-wheel riding mini tiller gets on a steep slope under the action of self power, when a road surface jolts and is narrow, the driver can stand between the grip 1 and a steering wheel of the four-wheel riding mini tiller, and the other hand can control the steering wheel of the four-wheel riding mini tiller to control the advancing direction of the four-wheel riding mini tiller while adopting the grip 1 and the control handle 31 by one hand to apply pressure to control the clutch to be engaged.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. A clutch operating mechanism, characterized in that: comprising the steps of (a) a step of,

the first control part comprises a clutch control pedal plate which is used for stepping when riding, the clutch control pedal plate is connected with a shifting fork shaft of a clutch, and the clutch control pedal plate can drive the shifting fork shaft of the clutch;

2. The clutch operating mechanism of claim 1, wherein: the second control part is rotationally connected with the tail of the micro-cultivator body through the rotating structure, and can rotate to an unfolding or folding state at one side of the micro-cultivator along a vertical plane or a transverse plane.

3. The clutch operating mechanism according to claim 2, wherein: the rotary structure comprises a rotary drum and a fixed shaft, wherein the fixed shaft is arranged in the rotary drum in a penetrating mode, one end of the fixed shaft is fixedly connected with the tail of the micro-cultivator body, and a locking piece used for locking and fixing the rotary drum is arranged at the other end of the fixed shaft.

4. A clutch-actuating mechanism according to claim 3, wherein: the fixed shaft is fixedly provided with a positioning block, one end of the rotary drum is provided with a positioning groove matched with the positioning block, and the positioning groove and the positioning block are matched to be switched to an unfolding or folding state towards one side of the mini-tiller.

5. The clutch operating mechanism of claim 1, wherein: the second operating part is arranged on the back surface of the backrest.

6. The clutch operating mechanism of claim 1, wherein: the control rod is L-shaped, one end of the control rod, which is far away from the control inhaul cable, is lapped on the clutch control pedal, a rotating pin shaft is arranged at the bending part of the control rod, the inner side of the bending part of the control rod is abutted against the rotating pin shaft, or the bending part of the control rod is rotationally connected with the rotating pin shaft.

7. The clutch operating mechanism of claim 1, wherein: the clutch control handle assembly comprises a control handle and a connecting seat, wherein the control handle is connected with the connecting seat, and the connecting seat is arranged on the handle.

8. The clutch operating mechanism according to claim 7, wherein the end of the grip is provided with a rubber sleeve, and a flange is provided circumferentially of the end of the rubber sleeve adjacent to the connecting seat, the flange abutting against the connecting seat.

9. The utility model provides a four-wheel riding type mini tiller, includes power assembly, gearbox, power assembly passes through clutch transmission with the gearbox and is connected, its characterized in that: further comprising a clutch actuation mechanism as claimed in any one of claims 1 to 8, the clutch actuation mechanism controlling engagement or disengagement of the clutch.

10. The four-wheel ride-on mini-tiller of claim 9, wherein: the gearbox comprises a front gearbox and a rear gearbox, the front gearbox is in transmission connection with the rear gearbox, the power output of the front gearbox drives a front wheel shaft, the power output of the rear gearbox drives a rear wheel shaft, and the front wheel shaft or the rear wheel shaft can be detachably provided with tillage equipment or travelling wheels.