CN115316134A - Riding mower parking mechanism and riding mower - Google Patents

Abstract

The invention provides a parking mechanism of a riding mower, relates to the technical field of mowers, and solves the problem that the parking mechanism is complex and is not easy to operate in the prior art. The upper end and the lower end of a parking pull rod of the parking mechanism of the riding mower are respectively connected with a parking trigger and a parking upper clamping plate; the front end and the rear end of the connecting rod are respectively connected with the connecting rod clamping plate and the gearbox disc brake mechanism; the treading part is treaded down to sequentially drive the connecting rod clamping plate, the connecting rod and the gearbox disc brake mechanism to enable the gearbox to be in a shutdown state, and simultaneously drive the parking clamping plate to rotate to a clamping position; the trigger shifting piece rotates from the non-parking position to the parking position and can drive the parking pull rod to pull the parking upper clamping plate to rotate to be meshed with the parking lower clamping plate at the clamping position; the trigger shifting piece positioned at the parking position after the treading part is treaded down can drive the parking pull rod to pull the parking upper clamping plate to rotate to be separated from the parking lower clamping plate at the clamping position when the trigger shifting piece rotates to the non-parking position. The invention ensures that the parking mechanism of the mower is safe, reliable, simple and easy to operate.

Description

Riding mower parking mechanism and riding mower

Technical Field

The invention relates to the technical field of mowers, in particular to a parking mechanism of a riding mower and the riding mower.

Background

Riding lawn mowers, also known as riding lawn mowers, are large mechanical tools used for trimming lawns and vegetation, and have wide application in real life. The application of the mower not only saves a large amount of manual time, but also can be more beautiful after lawn trimming, and is a very practical mechanical tool.

The mower generally comprises a chassis, blades, a power assembly (gasoline and motor), a traveling mechanism (a mechanical axle, a hydraulic axle and a CVT), a steering mechanism, a grass discharging mechanism and a parking mechanism. The parking mechanism is a parking and storing locking mechanism with a riding type garden tool, and an operator can conveniently control parking and braking of the whole vehicle. A pull rod convenient for an operator to control is arranged on the mower handrail. The mower is ridden on a tool by an operator, walks on the ground by hands and feet, has a self-driving function and a function of driving wheels by a gearbox so as to advance, and the operator only needs to turn a steering wheel, an accelerator pedal, a brake pedal and a parking mechanism.

However, the operator of the riding type garden tool usually uses a plurality of mechanical switches to control the parking and braking of the machine, the operation structure is complex, the operator is not convenient to use quickly and conveniently, and the operation is not easy to use flexibly.

The applicant has found that the prior art has at least the following technical problems:

the mechanical structure of the existing parking mechanism is complex and is not easy to operate.

Disclosure of Invention

The invention aims to provide a parking mechanism of a riding mower, which aims to solve the technical problems that the parking mechanism of the riding mower in the prior art is complex in structure and is difficult to operate. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a parking mechanism of a riding mower, which comprises a trigger assembly, a pull rod assembly, a pedal brake assembly, a connecting rod and a gearbox, wherein:

the trigger assembly comprises a parking trigger capable of rotating around a rotating shaft, and a trigger shifting piece is arranged on the parking trigger; the pull rod assembly comprises a parking pull rod and an upper parking clamping plate; the pedal brake assembly comprises a pedal rod and a pedal part arranged at the end part of the pedal rod, and the pedal rod is provided with a parking lower clamping plate and a connecting rod clamping plate;

the upper end and the lower end of the parking pull rod are respectively connected with the parking trigger and the parking upper clamping plate; the front end and the rear end of the connecting rod are respectively connected with the connecting rod clamping plate and the disc brake mechanism of the gearbox;

when the treading part is treaded down, the connecting rod clamping plate can be sequentially driven to rotate forwards, the connecting rod is pulled forwards, the disc brake mechanism of the gearbox is pulled and the gearbox is in a stop working state, and meanwhile, the parking clamping plate can be driven to rotate forwards to a clamping position;

the trigger shifting piece can rotate from a non-parking position to a parking position and drive the parking pull rod to pull the parking upper clamping plate to rotate to be meshed with the parking lower clamping plate at the clamping position;

when the trampling part is trampled, the trigger shifting piece at the parking position rotates to the non-parking position to drive the parking pull rod to pull the parking upper clamping plate to rotate to the parking lower clamping plate at the clamping position to be separated from the parking lower clamping plate.

Further, the parking positions are two and comprise a first parking position and a second parking position, the first parking position is located below the non-parking position, and the second parking position is located above the non-parking position.

Further, a first fixing ring and a second fixing ring are arranged on the circumferential direction of the parking trigger, and the parking pull rod comprises a first pull rod and a second pull rod which are different in length; when the parking position is a first parking position, the parking pull rod is the first pull rod, the upper end of the first pull rod is inserted into the first fixing ring, and the lower end of the first pull rod is connected with the parking upper clamping plate; when the parking position is a second parking position, the parking pull rod is the second pull rod, the upper end of the second pull rod is inserted into the second fixing ring, and the lower end of the second pull rod is connected with the parking upper clamping plate.

Further, the length of the first pull rod is larger than that of the second pull rod.

Further, the parking trigger includes the outer casing, the inner ring of arcuation and sets up the outer casing concave surface with the connecting strip between the inner ring, the inner ring can overlap and establish in the axis of rotation, the trigger plectrum sets up on the convex surface of outer casing.

Further, the first fixing ring is arranged on the connecting strip.

Furthermore, the inner ring is provided with a support bar at a position opposite to the connecting bar, and the second fixing ring is arranged on the support bar.

Further, trigger subassembly still includes the parking pinion rack, the parking pinion rack includes the violently pipe of curb plate and perpendicular to curb plate, violently the pipe does the axis of rotation of parking trigger, interior snare is established violently the pipe is last, the inner ring with violently be provided with the damping circle between the pipe.

Further, still include trigger component mounting bracket, the parking pinion rack is fixed on the trigger component mounting bracket, the parking trigger with the parking pinion rack rotates to be connected.

Further, trigger subassembly mounting bracket is provided with mounting groove, the parking trigger with the parking pinion rack sets up in the mounting groove.

The invention also provides a riding mower comprising the riding mower parking mechanism.

The parking mechanism of the riding mower and the riding mower have the advantages that:

the invention discloses a parking mechanism of a riding mower, which is a mechanical parking mechanism applied to riding garden tools; the structure is simple, and the operation is convenient and quick for a driver driving the riding mower; when braking, the transmission can be in a stop working state by stepping on the stepping part of the foot lever, so that the purpose of parking is achieved, then the parking trigger is pulled from a neutral position to a parking position, the parking upper clamping plate and the parking lower clamping plate are meshed with each other to achieve the parking state, at the moment, due to the traction effect of a disc brake mechanism of the transmission on the connecting rod and the connecting rod clamping plate, the parking lower clamping plate keeps the trend of backward rotation and is meshed and locked with the parking upper clamping plate, and the parking state cannot be influenced by the fact that hands and feet of a driver leave the parking trigger and the foot lever; when the parking state needs to be relieved, the parking brake can be released only after the steps of stepping on the pedal part and pulling the parking trigger to a neutral position from the parking position are completed, the safety and the reliability are realized, and the phenomenon that the parking state is relieved due to misoperation and vehicle sliding caused by mistaken touch is avoided.

The riding type mower using the parking mechanism is convenient to operate, safe and reliable in braking and parking actions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an exploded view of a parking mechanism of a riding mower of the present invention (only one parking lever is shown);

FIG. 2 is a schematic view of the transmission of the present invention and its disc brake mechanism;

FIG. 3 is a schematic view of the parking mechanism of the riding mower of the present invention in a parked position;

FIG. 4 is a schematic view of the trigger assembly and trigger assembly mounting bracket of the present invention;

in the figure: 100. a trigger assembly; 101. a parking trigger; 1011. a trigger pulling sheet; 1012. a first retaining ring; 1013. a second retaining ring; 102. a parking toothed plate; 200. a drawbar assembly; 201. parking and mounting a clamping plate; 202. a parking pull rod; 300. a foot-operated brake assembly; 301. parking and unloading the clamping plate; 302. a connecting rod clamping plate; 303. a foot lever; 400. a connecting rod; 500. a gearbox; 501. a disc brake mechanism; 600. a trigger assembly mounting bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

1-4, the present invention provides a parking mechanism for a riding lawn mower, comprising a trigger assembly 100, a lever assembly 200, a service brake assembly 300, a linkage 400, and a transmission case 500, wherein:

the trigger assembly 100 comprises a parking trigger 101 capable of rotating around a rotating shaft, and a trigger shifting sheet 1011 is arranged on the circumferential direction of the parking trigger 101; the pull rod assembly 200 comprises a parking pull rod 202 and a parking upper clamping plate 201; the pedal brake assembly 300 comprises a pedal rod 303 and a pedal part arranged at the end part of the pedal rod, wherein a parking lower clamping plate 301 and a connecting rod clamping plate 302 are arranged on the pedal rod 303;

as shown in fig. 1, the upper end and the lower end of the parking pull rod 202 are respectively connected with the parking trigger 100 and the free end of the parking upper clamping plate 201, and the other end of the parking upper clamping plate 201 is rotatably connected with a rotating shaft fixedly arranged on the body of the mower; the front end and the rear end of the connecting rod 400 are respectively connected with the connecting rod clamping plate 302 and the disc brake mechanism 501 of the gearbox 500;

when a driver brakes, the treading part is treaded down and then drives the connecting rod clamping plate 302 to rotate forwards, pulls the connecting rod 400 forwards, pulls the disc brake mechanism 501 of the gearbox 500 and enables the gearbox 500 to be in a stop working state, so that the purpose of parking is achieved; meanwhile, the parking lower clamping plate 301 is also driven to rotate forwards to the clamping position;

the parking trigger 101 can rotate around the rotating shaft thereof, and the trigger pulling sheet 1011 arranged on the circumferential direction of the parking trigger can also rotate to the corresponding parking position and non-parking position respectively; the position of the trigger pulling sheet is close to the horizontal plane when the automobile is not in the parking position; the position of the trigger pulling sheet rotates to be positioned above or below the horizontal plane when the automobile is in the parking position;

if the automobile needs to be parked after braking, the trigger shifting piece 1011 needs to be rotated from the non-parking position to the parking position, and at the moment, the parking trigger 101 is driven to rotate around the rotating shaft and drive the parking pull rod 202 to pull the free end of the parking upper clamping plate 201 to rotate to be meshed with the parking lower clamping plate 301 in the clamping position; at this time, due to the traction effect of the disc brake mechanism 501 of the gearbox 500 on the connecting rod 400 and the connecting rod clamping plate 302, the parking lower clamping plate 301 keeps the trend of rotating backwards and is meshed and locked with the parking upper clamping plate 201, and the parking state cannot be influenced when the hands and feet of a driver leave a parking trigger and the pedal rod 303;

conversely, when the parking state is to be released, the stepping portion must be first stepped on, and at this time, the trigger paddle 1011 in the parking position is rotated to the non-parking position, so that the parking pull rod pulls the parking upper catch plate to rotate to disengage from the parking lower catch plate in the engaging position. The two steps of treading the pedal part and pulling the parking trigger from the parking position to the non-parking position are completed when the parking state is released, the disc brake mechanism 501 on the gearbox 500 is released from braking, and the parking brake can be released after the pedal rod 303 is released.

Example 2

As an alternative embodiment, there are two parking positions, including a first parking position and a second parking position, where the first parking position is below the non-parking position, and the second parking position is above the non-parking position.

A driver riding the mower is accustomed to pull the trigger shifting piece upwards in some cases and pull the trigger shifting piece downwards in some cases, and if the setting of the parking position is inconsistent with the operation habit of the driver, misoperation is easily caused to influence parking operation; the riding parking mechanism is provided with two optional parking positions, namely, the parking state of the riding mower can be realized by pulling the trigger pulling sheet up and down, and a driver can select and set the parking positions according to own habits and requirements, so that the riding garden tool is convenient for the operator to control when parking.

Example 3

As shown in fig. 1, as an alternative embodiment, a first fixing ring 1012 and a second fixing ring 1013 are provided on the circumferential direction of the parking trigger 100, and the parking pull rod 202 includes an alternative first pull rod and a second pull rod, the lengths of the first pull rod and the second pull rod are different, and one of them is selected when in use; when the first pull rod is selected to be used, the upper end of the first pull rod is inserted into the first fixing ring 1012, and the lower end of the first pull rod is connected with the parking upper clamping plate 201; at this time, the parking position is the first parking position, and the driver can switch to the parking state by pulling the trigger shifting piece 1011 downwards to the first parking position; and when selecting the second pull rod as the parking pull rod, the upper end of second pull rod is inserted and is established in the solid fixed ring 1013 of second, and the lower extreme of second pull rod is connected with cardboard 201 in the parking, and the parking position is the second parking position this moment, and the driver upwards pulls trigger plectrum 1011 to the second parking position and can switch to the parking state.

The first pull rod or the second pull rod with different lengths is selected according to different parking positions preferred by a driver, and the upper end of the selected parking pull rod 202 is inserted into the fixed ring at the opposite position in the circumferential direction of the parking trigger 100, so that the parking state can be achieved by pulling the trigger shifting piece downwards to the first parking position or upwards to the second parking position.

Example 4

As shown in fig. 1, the length of the first pull rod is greater than the length of the second pull rod.

When the parking pull rod 202 is a first long pull rod, the upper end of the parking pull rod is fixed through the first fixing ring 1012, and the rotating force arm is relatively lengthened, so that the trigger poking piece 1011 can be pulled downwards to reach a parking state;

when the parking pull rod 202 is a second pull rod with a short length, the upper end of the parking pull rod is fixed by the second fixing ring 1013, so that the rotating force arm is relatively shortened, and the trigger poking piece 1011 can be pulled upwards to reach a parking state.

Example 5

As shown in fig. 4, the parking trigger 101 includes an arc-shaped outer guard plate, an inner ring and a connecting bar disposed between the concave surface of the outer guard plate and the inner ring, the inner ring can be sleeved on the rotating shaft, and the trigger pulling piece is disposed on the convex surface of the outer guard plate.

The parking trigger 101 has a simple structure and can be rotated around its rotation axis by the trigger pulling piece 1011.

Example 6

As shown in fig. 4, the first fixing rings 1012 are provided on the connection bars.

The first fixing ring 1012 is disposed between the two connecting bars at a position close to the outer shield, and the position of the trigger pulling piece 1011 on the convex surface of the outer shield corresponds to the position of the first fixing ring 1012.

Example 7

As shown in fig. 4, a support bar is further provided on the inner ring at a position opposite to the connection bar, and the second fixing ring 1013 is provided on the support bar.

The second fixing ring 1013 is provided at a position facing the first fixing ring 1012 so that the first and second parking positions of the upper and lower portions are shifted by a relatively large angle. As shown in fig. 4, the supporting bar is U-shaped, the inner ring is connected to two ends of the U-shape, and the second fixing ring 1013 is disposed at the bottom of the U-shape.

Example 8

As shown in fig. 4, the trigger assembly 100 further includes a parking toothed plate 102, the parking toothed plate 102 includes a side plate and a transverse pipe perpendicular to the side plate, the transverse pipe is a rotation shaft of the parking trigger, an inner ring sleeve is provided on the transverse pipe, and a damping ring is provided between the inner ring and the transverse pipe.

A damping ring is arranged between an inner ring of the parking trigger and a transverse pipe of the parking toothed plate 102 to prevent the parking trigger from being touched by mistake so that the parking trigger and the transverse pipe can easily rotate relatively.

Example 9

As shown in fig. 4, the parking lock further comprises a trigger assembly mounting frame 600, the parking rack 102 is fixed on the trigger assembly mounting frame 600, and the parking trigger is rotatably connected with the parking rack 102.

The trigger assembly mounting bracket 600 is a gate-type bracket that is fixedly mounted to the right side of the riding mower cab for convenient operation by the right hand of the driver. In contrast, the stepping part is arranged at the left end of the pedal rod 303, so that the left foot operation of the driver is facilitated.

The trigger assembly mounting bracket 600 is provided with a mounting recess in which the parking trigger and the parking toothed plate 102 are disposed.

The internal thread is arranged in the horizontal pipe of the parking toothed plate 102, the screw penetrates through the side wall on one side of the mounting groove and is in threaded connection with the horizontal pipe, so that the parking toothed plate 102 is fixed in the mounting groove, and the parking trigger 101 is sleeved on the parking toothed plate 102 and rotates relative to the parking toothed plate 102.

Example 10

The invention also provides a riding type mower using the parking mechanism, and the riding type mower has convenient operation of braking and parking actions, and is safe and reliable.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

Claims (10)

1. A riding mower parking mechanism comprising a trigger assembly, a lever assembly, a foot brake assembly, a linkage and a gearbox, wherein:

the trigger assembly comprises a parking trigger capable of rotating around a rotating shaft, and a trigger shifting piece is arranged on the parking trigger; the pull rod assembly comprises a parking pull rod and an upper parking clamping plate; the pedal brake assembly comprises a pedal rod and a pedal part arranged at the end part of the pedal rod, and a parking lower clamping plate and a connecting rod clamping plate are arranged on the pedal rod;

the upper end and the lower end of the parking pull rod are respectively connected with the parking trigger and the parking upper clamping plate; the front end and the rear end of the connecting rod are respectively connected with the connecting rod clamping plate and a disc brake mechanism of the gearbox;

when the treading part is treaded down, the connecting rod clamping plate can be sequentially driven to rotate forwards, the connecting rod is pulled forwards, the disc brake mechanism of the gearbox is pulled, the gearbox is in a stop working state, and meanwhile, the parking clamping plate can be driven to rotate forwards to a clamping position;

the trigger shifting piece can rotate from a non-parking position to a parking position and drive the parking pull rod to pull the parking upper clamping plate to rotate to be meshed with the parking lower clamping plate at the clamping position;

when the trampling part is trampled, the trigger shifting piece at the parking position rotates to the non-parking position to drive the parking pull rod to pull the parking upper clamping plate to rotate to the parking lower clamping plate at the clamping position to be separated from the parking lower clamping plate.

2. The ride mower park mechanism of claim 1, wherein there are two of the park positions, including a first park position and a second park position, the first park position being below the out-of-park position, the second park position being above the out-of-park position.

3. The parking mechanism of claim 2, wherein the parking trigger is circumferentially provided with a first fixing ring and a second fixing ring, and the parking pull rod comprises a first pull rod and a second pull rod with different lengths; when the parking position is a first parking position, the parking pull rod is the first pull rod, the upper end of the first pull rod is inserted into the first fixing ring, and the lower end of the first pull rod is connected with the parking upper clamping plate; when the parking position is the second parking position, the parking pull rod is the second pull rod, the upper end of the second pull rod is inserted in the second fixing ring, and the lower end of the second pull rod is connected with the parking upper clamping plate.

4. The ride-on lawn mower park mechanism of claim 3, wherein the first pull rod length is greater than the second pull rod length.

5. The parking mechanism of claim 4, wherein the parking trigger comprises an arc-shaped outer guard, an inner ring and a connecting bar arranged between a concave surface of the outer guard and the inner ring, the inner ring can be sleeved on the rotating shaft, and the trigger pulling piece is arranged on a convex surface of the outer guard.

6. The ride-on lawn mower parking mechanism of claim 5, wherein the first retaining ring is disposed on the connecting strip.

7. The parking mechanism of claim 5, wherein a support bar is disposed on the inner ring opposite to the connecting bar, and the second fixing ring is disposed on the support bar.

8. The ride mower parking mechanism of claim 5, wherein the trigger assembly further comprises a parking toothed plate, the parking toothed plate comprises a side plate and a transverse tube perpendicular to the side plate, the transverse tube is a rotating shaft of the parking trigger, the inner ring sleeve is arranged on the transverse tube, and a damping ring is arranged between the inner ring and the transverse tube.

9. The ride mower parking mechanism of claim 8, further comprising a trigger mount provided with a mounting recess, the parking trigger and the parking toothed plate being disposed within the mounting recess, the parking toothed plate being fixed on the trigger mount, the parking trigger and the parking toothed plate being rotationally connected.

10. A riding lawn mower comprising the parking mechanism of any one of claims 1-9.

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