CN219165152U - Riding mower - Google Patents

Abstract

The utility model discloses a riding mower, which belongs to the technical field of garden tools and comprises a vehicle body, a travelling mechanism, a brake operation assembly, a brake execution assembly and a parking assembly, wherein the travelling mechanism is mounted on the vehicle body and comprises a travelling assembly and a driving assembly for driving the travelling assembly; the brake operation assembly comprises a brake pedal and a bracket, the bracket is connected with the vehicle body, the brake pedal is movably connected with the bracket, and the brake pedal is used for a user to operate between an initial position and a parking position; the brake execution assembly is connected with the brake pedal and used for executing a brake action to brake the travelling mechanism; the parking assembly comprises a locking piece, the locking piece is rotationally connected with the bracket, and the locking piece can lock the brake pedal at a parking position. Through rotating the locking piece of parking subassembly and the support of braking operation subassembly and being connected for parking subassembly and braking operation subassembly are integrated as an organic wholely, are convenient for install simultaneously and dismantle, improve the integrated level, improve assembly efficiency, save space and occupy.

Description

Riding mower

Technical Field

The utility model relates to the technical field of garden tools, in particular to a riding mower.

Background

Riding mowers are widely used as a garden tool in the field of mowing lawns, vegetation, and the like. Compared with a hand-push mower, the mower and the tractor are more labor-saving in use and higher in mowing efficiency. In the existing riding mower, a braking mechanism and a parking mechanism are independently installed as two mechanisms, and the assembly efficiency is low.

Disclosure of Invention

The utility model aims to provide a riding mower, which solves the technical problems of independent installation and low assembly efficiency of a braking mechanism and a parking mechanism in the prior art.

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

a riding lawn mower comprising:

a vehicle body;

the traveling mechanism is mounted to the vehicle body and comprises a traveling assembly and a driving assembly for driving the traveling assembly;

the brake operation assembly comprises a brake pedal and a bracket, the bracket is connected with the vehicle body, the brake pedal is movably connected with the bracket, and the brake pedal is used for a user to operate between an initial position and a parking position;

the brake execution assembly is connected with the brake pedal and used for executing a braking action to brake the travelling mechanism;

the parking assembly comprises a locking piece, wherein the locking piece is rotationally connected with the bracket, and the locking piece can lock the brake pedal at the parking position.

The brake pedal is provided with a locking groove, one end of the locking piece is provided with a locking hook, and the locking hook can be inserted into the locking groove.

The locking piece is connected with the bracket through a locking shaft, and a torsion spring is arranged on the locking shaft.

The locking piece is U-shaped, the locking piece comprises a first side arm, a connecting arm and a second side arm which are connected in sequence, the locking shaft penetrates through the first side arm and the second side arm, and one end of the first side arm forms the locking hook.

The parking assembly further comprises a parking shifting knob and a parking conversion rod, one end of the locking piece is rotationally connected with the parking conversion rod, and the parking shifting knob can drive the locking piece to rotate between a locking position and an unlocking position through the parking conversion rod.

The parking dial-up button is arranged on one side of the instrument shell and is connected with the instrument shell in a sliding mode.

Wherein, parking transfer lever includes first connecting rod, second connecting rod and coupling assembling, coupling assembling includes:

the fixed rod is fixedly connected with the vehicle body;

the movable rod, the pole body of movable rod with the dead lever rotates to be connected, the one end of movable rod with first connecting rod articulates, the other end of movable rod with the second connecting rod articulates.

Wherein, the parking subassembly still includes:

the electronic switch is electrically connected with the driving assembly to control the driving assembly to enter a parking mode;

and the trigger piece is connected with the brake pedal and triggers the electronic switch when the brake pedal is stepped to the parking position.

The brake pedal is connected with the bracket through a main shaft, and the trigger piece is connected with the main shaft.

The electronic switch is characterized in that the support is box-shaped, the locking piece is located on the outer side of the support, and the electronic switch and the triggering piece are located on the inner side of the support.

The utility model has the beneficial effects that:

according to the riding mower provided by the utility model, the locking piece of the parking assembly is rotationally connected with the bracket of the brake operation assembly, so that the parking assembly and the brake operation assembly are integrated into a whole, the riding mower is convenient to mount and dismount at the same time, the integration level is improved, the assembly efficiency is improved, and the space occupation is saved.

Drawings

FIG. 1 is a schematic view of a riding mower according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a riding mower according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a riding mower according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a portion of a riding mower according to an embodiment of the present utility model;

FIG. 5 is a schematic illustration of a portion of a brake mechanism and parking assembly provided in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic illustration of a portion of a brake mechanism and parking assembly according to an embodiment of the present utility model;

FIG. 7 is a schematic illustration of a portion of a brake mechanism and parking assembly provided in accordance with an embodiment of the present utility model;

FIG. 8 is a schematic view of a portion of a parking assembly according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram of a portion of a parking assembly according to an embodiment of the present utility model;

FIG. 10 is a schematic illustration of a portion of a parking assembly according to an embodiment of the present utility model;

FIG. 11 is a schematic illustration of a portion of a brake mechanism and parking assembly provided in accordance with an embodiment of the present utility model;

FIG. 12 is a schematic view of a portion of the structure of FIG. 11;

FIG. 13 is a schematic diagram of a portion of a riding mower according to an embodiment of the present utility model;

fig. 14 is a partial schematic structural view of he 13;

FIG. 15 is a schematic view of a steering mechanism and frame connection according to an embodiment of the present utility model;

FIG. 16 is a second schematic illustration of a steering mechanism and frame connection according to an embodiment of the present utility model;

FIG. 17 is a partially exploded view of a steering mechanism according to an embodiment of the present utility model;

FIG. 18 is a partially exploded view of a steering mechanism according to an embodiment of the present utility model;

FIG. 19 is a schematic view of a cutting assembly, a height adjustment assembly, and a throttle assembly coupled to a vehicle frame according to an embodiment of the present utility model;

FIG. 20 is a front view of a cutting assembly, a height adjustment assembly, and a throttle assembly coupled to a vehicle frame, according to an embodiment of the present utility model;

FIG. 21 is a schematic view of a cutting assembly and a height adjustment assembly coupled to a frame according to an embodiment of the present utility model;

FIG. 22 is a schematic view of a portion of the structure of FIG. 21;

FIG. 23 is a partial schematic diagram II of FIG. 21;

FIG. 24 is a schematic view of an exploded construction of a control assembly provided by an embodiment of the present utility model;

FIG. 25 is a partial schematic view of the structure of FIG. 24;

FIG. 26 is an exploded view of FIG. 25;

fig. 27 is a partial schematic view of the structure of fig. 26.

In the figure:

10. a vehicle body; 11. a housing; 111. a rear cover; 12. a frame;

20. a seat;

30. a walking mechanism; 31. a walking assembly; 311. a front wheel; 312. a rear wheel;

41. a brake actuation assembly; 411. a brake drum; 412. a brake pull rod; 413. a pull rod resetting piece; 414. swing rod; 4141. a reinforcing plate; 415. a rocker arm; 42. a brake operating assembly; 421. a brake pedal; 4211. a locking groove; 422. a bracket; 423. a main shaft;

50. a park assembly; 51. parking dial-up button; 52. a parking switching lever; 521. a first link; 522. a second link; 523. a fixed rod; 524. a movable rod; 53. a locking member; 531. a locking hook; 54. an electronic switch; 55. a trigger; 56. a locking shaft; 57. a force transfer plate; 58. a spindle reset member;

61. a steering actuator assembly; 611. steering knuckle arm; 6111. a first mounting hole; 6112. a first mounting groove; 612. a steering tie rod; 613. a knuckle bearing; 614. a steering fluted disc; 615. a connecting plate; 62. a steering operation member; 621. a steering wheel; 622. a support rod; 63. a kingpin assembly; 631. a kingpin; 6311. a longitudinal portion; 6312. a transverse portion; 6313. a bending part; 632. a sleeve; 633. a limit part; 634. a locking member; 6341. a nut; 6342. a locking pin; 64. a guard;

71. a cutting assembly; 711. a cutterhead; 72. an elevation adjustment assembly; 721. an adjusting rod; 722. a linkage rod; 7221. a flat position; 723. an adapter; 724. a linkage resetting piece; 725. a gear member; 726. a boom; 7271. a lifting arm; 7272. a lifting shaft; 7273. a first mounting plate; 7274. a second mounting plate; 728. a linkage seat; 729. a linkage shaft;

80. a throttle assembly; 81. an accelerator pedal; 82. a mounting box;

90. a control assembly; 91. an electric control box; 92. a fuse box; 93. a harness connector; 94. a housing cover; 95. a control board; 951. a capacitive plate; 952. a power board; 96. and integrating the junction box.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Referring to fig. 1-27, the present embodiment provides a riding mower that a user can ride on to maneuver to cut lawns, other vegetation, and the like. When a user sits on the riding mower on the ground, the direction facing the user is defined as the front, the direction facing away from the user is defined as the rear, the direction on the left hand side is the left, the direction on the right hand side is the right, the direction close to the ground is the lower direction, and the direction far away from the ground is the upper direction.

The riding mower includes a body 10, a seat 20, a running gear 30, a brake mechanism, a park assembly 50, a steering mechanism, and a power assembly. Wherein, automobile body 10 plays the supporting role for install other each subassemblies, seat 20 is used for supplying the user to take, running gear 30 is used for driving the complete machine to walk, and brake mechanism is used for braking running gear 30, and parking subassembly 50 is used for the parking, and steering mechanism is used for the complete machine to turn to, and power supply unit provides the electric energy for each subassembly of riding mower, thereby makes this riding mower can regard as an electric tool to use, for the mower of fuel oil, more environmental protection, more energy saving.

The vehicle body 10 extends substantially in the front-rear direction, and the vehicle body 10 includes a chassis 11 and a vehicle frame 12, the vehicle frame 12 generally including longitudinal and transverse members, the chassis 11 covering the vehicle frame 12. The cabinet 11 includes a front cover, a middle cover, and a rear cover 111.

The traveling mechanism 30 includes a traveling assembly 31 and a driving assembly driving the traveling assembly 31; the walking assembly 31 includes front wheels 311 and rear wheels 312, and it is understood that the front wheels 311 are provided in two, the rear wheels 312 are provided in two, the two front wheels 311 are connected by a front axle, and the two rear wheels 312 are connected by a rear axle. Wherein the radius of the rear wheel 312 is larger than the radius of the front wheel 311. The drive assembly is a motor that drives the rear wheel 312 in rotation.

The rear end of the rear wheel 312 extends rearward beyond the rear end of the rear cover 111 to provide protection for the rear cover 111. The rear cover 111 includes a sheet metal member and a plastic member to improve structural strength.

The brake mechanism comprises a brake operation assembly 42 and a brake execution assembly 41, wherein the brake operation assembly 42 comprises a brake pedal 421 and a bracket 422, the bracket 422 is connected with the vehicle body 10, the brake pedal 421 is movably connected with the bracket 422, and the brake pedal 421 is used for a user to operate between an initial position and a parking position; the brake actuating assembly 41 is connected to a brake pedal 421 for actuating a braking action to brake the running gear 30.

The brake actuating assembly 41 comprises a brake drum 411 and a brake pull rod 412, wherein the brake drum 411 is connected with the walking assembly 31 to reduce the rotating speed of the walking assembly 31; the brake lever 412 connects the brake pedal 421 and the brake drum 411, and the brake lever 412 is provided to drive the brake drum 411 to brake the walk assembly 31 when the brake pedal 421 is operated. Specifically, the brake pedal 421 is rotatably connected to the support 422, and when the user depresses the brake pedal 421, the brake pedal 421 rotates to drive the brake lever 412 to move, thereby driving the brake drum 411 to brake.

The brake drum 411 is adopted as a braking part, the service life is long, the maintenance is convenient, the brake pull rod 412 is connected with the brake pedal 421 and the brake drum 411, the brake pull rod 412 is arranged to drive the brake drum 411 to brake the walking assembly 31 when the brake pedal 421 is operated, the brake drum 411 is connected with the walking assembly 31 to reduce the rotating speed of the walking assembly 31, and the brake pull rod 412 is adopted instead of a steel wire rope, so that the stability is high and the service life is long. The brake drum 411 is connected to the rear wheel 312, and the working principle of the brake drum 411 is the prior art and will not be described herein.

Specifically, the brake pedal 421 is connected to the support 422 through a main shaft 423, the main shaft 423 is fixedly connected to the brake pedal 421, and the main shaft 423 is rotatably connected to the support 422. When the user steps on the brake pedal 421, the brake pedal 421 drives the spindle 423 to rotate.

The brake actuating assembly 41 further includes a lever returning member 413, the lever returning member 413 being connected to the brake lever 412 to generate a returning force for returning the brake lever 412, and the triggering member 55 releasing the triggering of the electronic switch 54 when the lever returning member 413 drives the brake lever 412 to return. The pull rod resetting piece 413 drives the brake pull rod 412 to reset, and then the brake pull rod 412 drives the brake pedal 421 to reset, and further drives the main shaft 423 and the triggering piece 55 to reset, so that the triggering piece 55 releases the triggering of the electronic switch 54.

The brake actuating assembly 41 further comprises a swing rod 414 and a swing arm 415, the swing rod 414 is rotatably connected with the vehicle body 10 and is elastically connected with the brake pull rod 412, and the brake pull rod 412 can drive the swing rod 414 to rotate; one end of the rocker 415 is connected with the brake drum 411, the other end of the rocker is movably connected with the swing rod 414, and the swing rod 414 can drive the rocker 415 to rotate. When the brake pedal 421 is stepped on, the brake pedal 421 rotates to drive the brake pull rod 412 to pull forwards, at this time, the pull rod resetting piece 413 is compressed, and the brake pull rod 412 drives the swing rod 414 to rotate, so that the swing arm 415 swings, and the swing arm 415 acts on the brake drum 411 to realize braking.

Wherein, the swing link 414 is U-shaped, both ends of the swing link 414 are provided with reinforcing plates 4141, and the reinforcing plates 4141 are positioned at the bending positions of the swing link 414. The swing rod 414 is integrally bent by adopting a pipe or a rod, so that the torsional strength is improved; the reinforcing plate 4141 further improves the force transmission strength. In this embodiment, the swing rod 414 is formed by bending a circular tube, and the circular tube can be a tube body with a diameter of 32mm and a wall thickness of 3mm, so that the stress at the torque transmission position is reduced, the overall rigidity is improved, and the deformation is reduced.

The brake pull rod 412 is arranged through the swing rod 414 in a penetrating way, one end of the brake pull rod 412 is provided with a fixing piece, and the pull rod resetting piece 413 is clamped between the swing rod 414 and the fixing piece. When the brake pedal 421 is stepped, the brake pedal 421 rotates to drive the brake lever 412 to be pulled forward, and at this time, the fixing member and the swing link 414 press the lever return member 413 so that the lever return member 413 is compressed.

In the present embodiment, the brake lever 412 is located on the outer side of the vehicle body 10, so that the brake lever is convenient to mount, dismount and replace, interference with the cutting assembly 71, the control box and the like is avoided, and space utilization is improved.

The support 422 is hung on the vehicle body 10, so that the support is convenient to mount and dismount. Specifically, the periphery of the bracket 422 is provided with a lifting lug by which it is fixed to the vehicle body 10. The swing link 414 is provided with a pressing plate, and is fixed to the vehicle body 10 through the pressing plate. The lifting lug and the vehicle body 10 and the pressing plate and the vehicle body 10 can be connected through bolts.

The parking assembly 50 comprises a locking member 53, the locking member 53 being rotatably connected to the bracket 422, the locking member 53 being capable of locking the brake pedal 421 in the parking position. Through rotating the locking piece 53 of the parking assembly 50 and the support 422 of the brake operating assembly 42, the parking assembly 50 and the brake operating assembly 42 are integrated into a whole, so that the assembly and disassembly are convenient, the integration level is improved, the assembly efficiency is improved, and the space occupation is saved.

Specifically, the brake pedal 421 is provided with a locking groove 4211, and one end of the locking piece 53 is formed with a locking hook 531, and the locking hook 531 can be inserted into the locking groove 4211. The locking groove 4211 cooperates with the locking hook 531, so that the locking member 53 locks the brake pedal 421 more stably, and positioning and locking accuracy are improved.

In this embodiment, the brake pedal 421 includes a brake pedal body and an adapter plate connected to the brake pedal body, the adapter plate is U-shaped, the locking groove 4211 is formed at the bottom of the adapter plate, the main shaft 423 penetrates through two side arms of the adapter plate, and one end of the brake pull rod 412 is rotatably connected to the adapter plate.

The locking piece 53 is connected to the bracket 422 through a locking shaft 56, and a torsion spring is provided on the locking shaft 56. The locking member 53 is rotatable between a locking position and an unlocking position, and when the brake pedal 421 is located at the parking position, the locking member 53 is rotated to the locking position, so that the locking hook 531 is inserted into the locking groove 4211.

In this embodiment, the locking member 53 is U-shaped, and the locking member 53 includes a first side arm, a connecting arm, and a second side arm connected in sequence, and the locking shaft 56 penetrates through the first side arm and the second side arm, and one end of the first side arm forms a locking hook 531.

The parking assembly 50 further includes a parking shift knob 51 and a parking shift lever 52, wherein one end of the locking member 53 is rotatably connected to the parking shift lever 52, and the parking shift knob 51 can drive the locking member 53 to rotate between a locking position and an unlocking position through the parking shift lever 52. Wherein the parking switch lever 52 is hinged with the second side arm of the locking member 53.

The vehicle body 10 is provided with an instrument housing, and the parking dial 51 is provided on one side of the instrument housing and is slidably connected to the instrument housing. The operator can dial the parking knob 51 by hand, and it is understood that the parking knob 51 is elastically connected with the instrument housing, so as to facilitate resetting of the parking knob 51.

The parking switch lever 52 includes a first link 521, a second link 522, and a connection assembly including a fixed lever 523 and a movable lever 524, the fixed lever 523 being fixedly coupled with the vehicle body 10; the shaft of the movable lever 524 is rotatably connected to the fixed lever 523, one end of the movable lever 524 is hinged to the first link 521, and the other end of the movable lever 524 is hinged to the second link 522. The movable and fixed bars 524 and 523 and the first and second links 521 and 522 hinged to both ends of the movable bar 524 form a lever-like structure. In the process of sliding the parking dial 51 upward, the first link 521 is pulled upward so that the movable lever 524 rotates with respect to the fixed lever 523, and the second link 522 is pressed downward so that the locking piece 53 rotates about the locking shaft 56, and the locking hook 531 is inserted into the locking groove 4211 as shown in fig. 6. In sliding the parking dial 51 downward, the first link 521 is pressed downward so that the movable lever 524 rotates with respect to the fixed lever 523, and the second link 522 is pulled upward so that the locking piece 53 rotates about the locking shaft 56, and the locking hook 531 is disengaged from the locking groove 4211, as shown in fig. 5.

The parking assembly 50 further comprises an electronic switch 54 and a trigger 55, the electronic switch 54 being electrically connected to the drive assembly to control the drive assembly to enter a parking mode; the trigger 55 is connected to the brake pedal 421, and the trigger 55 triggers the electronic switch 54 when the brake pedal 421 is depressed to the parking position. The mechanical parking is formed by matching the brake pedal 421 with the locking piece 53, the electronic parking is formed by matching the electronic switch 54 with the triggering piece 55, and the mechanical parking and the electronic parking are combined to achieve a good parking effect.

Specifically, trigger 55 is coupled to spindle 423. In the rotation process of the spindle 423, the trigger member 55 is driven to rotate, the trigger member 55 is in a cam shape, and along with the rotation of the trigger member 55, a portion with a larger diameter of the trigger member 55 can be abutted against the electronic switch 54 to trigger the electronic switch 54.

In the present embodiment, the support 422 has a box shape, the locking member 53 is located at the outer side of the support 422, and the electronic switch 54 and the triggering member 55 are located at the inner side of the support 422. It can be appreciated that the support 422 adopts a fully enclosed sealing structure to improve the waterproof and dustproof performance.

The parking assembly 50 further includes a force transfer plate 57 and a spindle resetting member 58, the force transfer plate 57 and the spindle resetting member 58 are disposed in the support 422, one end of the force transfer plate 57 is fixedly connected to the spindle 423, and the other end of the force transfer plate 57 is connected to the spindle resetting member 58. When the brake pedal 421 is stepped on, the spindle 423 rotates to drive the force transfer plate 57 to rotate, the force transfer plate 57 compresses the spindle resetting piece 58, and when the brake pedal 421 is released, the force transfer plate 57 resets under the action of the spindle resetting piece 58, so that the spindle 423 resets, and the trigger piece 55 is driven to reset.

When the brake pedal 421 is released, the spindle return 58 acts simultaneously with the lever return 413, so that the brake pedal 421, the spindle 423 and the brake lever 412 are accurately returned. The spindle return 58 and the pull rod return 413 can be biasing elements, such as compression springs or tension springs. In the implementation, a reset function is realized in a form of a pressure spring. Of course, those skilled in the art can also adopt the form of a tension spring, and meanwhile, adapt to the installation structure to realize the reset function.

The front wheel 311 and the frame 12 are connected by a kingpin assembly 63, and the kingpin assembly 63 includes a kingpin 631 connected to the front wheel 311, and the kingpin 631 is rotatably connected to the vehicle body 10. When the front wheels 311 need to be driven to turn, the front wheels 311 can be turned by driving the kingpin 631 to rotate.

The steering mechanism includes a steering actuator assembly 61 and a steering operation member 62, the steering actuator assembly 61 includes a knuckle arm 611, the knuckle arm 611 is connected with a kingpin 631 to drive the kingpin 631 to rotate, and the steering operation member 62 is operated by a user to drive the knuckle arm 611. The knuckle arm 611 is provided with a guard on one side of the kingpin 631, and the kingpin 631 can withstand an impact force in the first direction F having a maximum value of 5000N or more and 7000N or less. In some embodiments, the king pin 631 is capable of withstanding an impact force in the first direction F having a maximum value of 5500N or greater and 6500N or less. The protection device protects and strengthens the main pin 631, so that the main pin 631 can bear external impact, the structural strength is increased, the fracture risk is reduced, the service life is prolonged, and the safety is improved. In which, as shown in FIG. 2, a pillar A having a diameter of approximately 300mm is placed in front of a front wheel 311, and a riding mower impacts the pillar A at a speed of 10 km/h. When the front wheel 311 is broken during the impact test, the maximum impact force to be received is in the range of 5000N to 7000N. Wherein the first direction F extends in a horizontal direction and from front to back.

Specifically, the kingpin 631 includes a longitudinal portion 6311, a lateral portion 6312, and a bent portion 6313 that connects the longitudinal portion 6311 and the lateral portion 6312, and the longitudinal portion 6311 and the lateral portion 6312 are each provided to pass through the knuckle arm 611. The steering knuckle arm 611 has a supporting effect on the main pin 631, the longitudinal portion 6311 and the transverse portion 6312 are arranged on the steering knuckle arm 611 in a penetrating mode, the steering knuckle arm 611 limits the longitudinal portion 6311 and the transverse portion 6312 of the main pin 631, the steering knuckle arm 611 supports two parts of the main pin 631, and the torsion resistance between the steering knuckle arm 611 and the main pin 631 is greatly improved.

The knuckle arm 611 is provided with a first mounting hole 6111 and a first mounting groove 6112, the longitudinal portion 6311 is provided through the first mounting hole 6111, and the transverse portion 6312 is provided through the first mounting groove 6112. Wherein, the included angle between the longitudinal portion 6311 and the transverse portion 6312 may be greater than or equal to 90 degrees.

The steering actuator assembly 61 further includes a steering tie rod 612 and a knuckle bearing 613, the steering tie rod 612 and the knuckle arm 611 being connected by the knuckle bearing 613. The knuckle bearing 613 is provided to enable the steering tie rod 612 to drive the knuckle arm 611 to rotate, so that the steering tie rod 612 rotates smoothly with the knuckle arm 611. The knuckle bearing 613 is a ball bearing, so that the knuckle arm 611 can rotate 360 degrees.

The guard includes a guard 64, the guard 64 is disposed outside the knuckle bearing 613, and the guard 64 shields the knuckle bearing 613 in the direction of the impact force. The guard 64 not only protects the knuckle bearing 613 from hard objects, but also reinforces the knuckle arm 611 and increases the structural strength.

The guard 64 and the knuckle arm 611 may be integrally formed or may be detachably connected by bolts.

Defining a first plane extending perpendicular to the first direction F, the projection of the knuckle bearing 613 in the first plane is located in the projection of the shield 64 in the first plane, such that the shield 64 is able to provide all-round protection to the knuckle bearing 613.

The guard 64 has a slot, and the bending portion 6313 is inserted into the slot. The bending part 6313 is limited by the clamping groove to the knuckle arm 611, so that the position of the main pin 631 is more stable, and the torsion resistance is further improved.

The kingpin assembly 63 further includes a sleeve 632, the sleeve 632 is sleeved on the kingpin 631, the sleeve 632 is fixedly connected with the vehicle body 10, and the kingpin 631 is disposed through the sleeve 632 and is rotatably connected with the sleeve 632. Specifically, sleeve 632 is sleeved over longitudinal portion 6311. When the steering rod 612 rotates the knuckle arm 611, the knuckle arm 611 and the kingpin 631 simultaneously rotate about the axis of the sleeve 632, and at the same time, the front wheel 311 connected to the transverse portion 6312 of the kingpin 631 achieves steering.

The main pin 631 is provided with a limiting portion 633 and a locking member 634, and the front wheel 311 is disposed between the limiting portion 633 and the locking member 634. The stopper 633 may be a step formed between the transverse portion 6312 and the bent portion 6313, or may be a stopper ring fixed to the transverse portion 6312. The locking member 634 is disposed at an end of the transverse portion 6312 away from the bending portion 6313, so as to prevent the front wheel 311 from falling off. Specifically, the locking member 634 includes a nut 6341 and a locking pin 6342, the nut 6341 is screwed with the main pin 631, a spacer is provided between the front wheel 311 and the nut 6341, and the locking pin 6342 is provided outside the nut 6341. The nut 6341 and the locking pin 6342 cooperate to provide a good locking effect. The locking pin 6342 is a cotter pin, the main pin 631 is provided with a pin hole, and the locking pin 6342 is inserted into the pin hole.

The front wheels 311 are provided in two, and one steering tie rod 612, each knuckle arm 611, and the kingpin 631 are provided corresponding to each front wheel 311. The front axle between the two front wheels 311 is welded to the frame 12. Specifically, be provided with the turn-ups on the front axle, the turn-ups welds with automobile body 10, increases area of contact, and the production of being convenient for improves front axle collision strength.

The steering operation member 62 includes a steering wheel 621 and a support bar 622, the steering execution assembly 61 further includes a steering gear plate 614 and a connection plate 615, the support bar 622 connects the steering wheel 621 and the steering gear plate 614, the connection plate 615 is fixedly connected with the steering gear plate 614, and the steering rod 612 is connected with the connection plate 615. The user operates the steering wheel 621, and the support lever 622 transmits a steering force applied to the steering wheel 621 by the user from the steering wheel 621 to the steering fluted disc 614. One end of the support rod 622 connected with the steering wheel 621 is fixedly provided with a gear, a gear ring meshed with the gear is arranged inside the steering wheel 621, when a user rotates the steering wheel 621, the gear ring of the steering wheel 621 drives the gear of the support rod 622 to synchronously rotate, and then the steering fluted disc 614 is driven to rotate, and the steering fluted disc 614 drives the knuckle arm 611 through the steering pull rod 612.

The riding mower also includes a cutting assembly 71, the cutting assembly 71 being disposed below the body 10. Cutting assembly 71 includes a cutterhead 711, a mowing member, and a motor. The mowing element is used for cutting vegetation when rotating at high speed, for example the mowing element is a blade, the cutter head 711 surrounds a mowing space formed for accommodating at least part of the mowing element, that is, the mowing element is at least partially accommodated in the cutter head 711, and the motor is used for driving the mowing element to rotate.

The riding mower further includes a height adjustment assembly 72, the height adjustment assembly 72 being coupled to the body 10 for adjusting the height of the cutting assembly 71 to accommodate different cutting conditions. The height adjusting component 72 is connected with the cutterhead 711, the height adjusting component 72 comprises an adjusting rod 721, a linkage rod 722 and an adapter 723, the adapter 723 is rotationally connected with the frame 12, one end of the adjusting rod 721 is connected with the adapter 723, the other end of the adjusting rod 721 is used for being operated by a user, one end of the linkage rod 722 is connected with the adapter 723, and the other end of the linkage rod 722 is connected with the cutterhead 711. By connecting the adjustment lever 721 and the link lever 722 to the same adapter 723, the number of parts is reduced, the structural strength is improved, and the cost is reduced.

The linkage rod 722 is connected with the cutter head 711 in a sliding way, a linkage reset piece 724 is arranged on the linkage rod 722 in a penetrating way, a flat position 7221 is formed at one end of the linkage rod 722, and the linkage reset piece 724 is abutted with the flat position 7221. The flat position 7221 on the linkage rod 722 is utilized to limit the linkage reset piece 724, so that the number of parts is further reduced, and the cost is reduced. Wherein, the linkage rod 722 adopts round steel to clap flat technology and forms flat 7221, utilizes the step of flat 7221 department to spacing to linkage return piece 724, need not increase other parts and just can spacing. The linkage return 724 may be a spring.

The upshift assembly 72 further includes a gear 725, the gear 725 including a plurality of gears for limiting the adjustment lever 721 to a preset gear. When the user operates the adjusting lever 721, the adjusting lever 721 can move to different preset gears relative to the gear 725, and the adjusting lever 721 drives the adapter 723 to rotate during the movement, so that the height of the cutter head 711 driven by the linkage rod 722 is changed, thereby having different cutting heights.

One end of the cutterhead 711 is connected with the vehicle body 10 through a boom 726, the other end of the cutterhead 711 is connected with the vehicle body 10 through a lifting arm 7271, the lifting arm 7271 is rotatably connected with the vehicle body 10, the cutterhead 711 is rotatably connected with the lifting arm 7271, and the linkage rod 722 is slidably connected with the lifting arm 7271. In the sliding process of the linkage rod 722, the compressed degree of the linkage reset piece 724 is changed, so that the lifting arm 7271 rotates to drive the height of the cutter head 711 to change.

The lifting arm 7271 is rotatably connected with the vehicle body 10 through a lifting shaft 7272, and the lifting shaft 7272 is supported by double points, so that unbalanced load is reduced, and stability and rigidity are improved. Specifically, the frame 12 is provided with a first mounting plate 7273 and a second mounting plate 7274, one end of the lift shaft 7272 is connected to the first mounting plate 7273, and the other end of the lift shaft 7272 is connected to the second mounting plate 7274, so that two positions of the lift shaft 7272 are supported, forming a double-point support. The lift arm 7271 is rotatably fitted around the lift shaft 7272. The first mounting plate 7273 is detachably connected with the second mounting plate 7274, so that assembly is facilitated.

In this embodiment, two lifting arms 7271 are provided, and two lifting arms 7271 are arranged at intervals, so that the structural strength and rigidity are improved, and the stress balance is ensured. Correspondingly, two linkage rods 722 are provided, each lifting arm 7271 is connected with one linkage rod 722, the height adjusting assembly 72 further comprises a linkage seat 728 and a linkage shaft 729, the linkage seat 728 is rotationally connected with the frame 12, the linkage seat 728 is connected with the adapter seat 723 through the linkage shaft 729, and in the rotation process of the adapter seat 723, the linkage seat 728 is driven to rotate, so that the two lifting arms 7271 can synchronously move.

The riding mower also includes a throttle assembly 80. The throttle assembly 80 is mounted to the vehicle body 10, specifically at the bottom of the frame 12. The accelerator assembly 80 comprises an accelerator pedal 81 and a mounting box 82, the accelerator pedal 81 is rotationally connected with the mounting box 82, and the mounting box 82 is detachably connected with the frame 12, so that the assembly, the disassembly and the replacement are convenient. The mounting box 82 adopts a fully enclosed sealing structure, so that the waterproof and dustproof performances are improved. The accelerator pedal 81 is provided with an anti-slip member, which plays a role in slip prevention.

The mounting box 82 is hung on the vehicle body 10, so that the mounting box is convenient to mount and dismount. Specifically, the periphery of the mounting box 82 is provided with a lifting lug by which it is fixed to the vehicle body 10. The lifting lug may be bolted to the body 10.

The riding mower further comprises a control assembly 90, wherein the control assembly comprises an electric control box 91 and a fuse box 92, and the fuse box 92 is integrated on the electric control box 91, so that the integration level and the structural compactness are improved. The fuse box 92 is detachably connected with the electric control box 91, so that the fuse box is convenient to maintain and replace, and the electric control box 91 does not need to be disassembled when the fuse is replaced, so that the internal parts of the electric control box 91 are not affected.

The electric control box 91 is integrated with the wire harness connector 93, so that the space utilization rate and the fixing reliability of the wire harness connector 93 are improved, and the wire harness connector 93 is arranged above the electric control box 91. The EMC suppression device magnetic ring is located outside the electric control box 91, and is integrated on the electric control box 91 specifically through a fixing structure, so that the whole replacement and fixation are facilitated.

The control assembly 90 further includes a housing cover 94, and the housing cover 94 is connected to the electrical control box 91 to cover the harness connector 93 and the fuse box 92, etc., to ensure integrity and safety.

A plurality of control boards 95 are arranged in the electric control box 91, and in order to connect a plurality of independent control boards 95, an integrated junction box 96 is adopted, so that centralized protection of the end parts of all connectors is facilitated, wiring is facilitated, and reliability is improved. Specifically, the integrated distribution box 96 is disposed at a middle position of the electric control box 91, and the plurality of control boards 95 are distributed on two sides of the integrated distribution box 96.

The control board 95 adopts a double-layer structure, the upper layer is a capacitor plate 951, the lower layer is a power plate 952, the capacitor plate 951 is fixed on the power plate 952 through a fastener, the space utilization rate is improved, and the heat resistance capability is improved by selecting a large-size capacitor. The capacitor is arranged corresponding to the three-phase MOSFET, so that the power supply is ensured to be more stable.

The above embodiments merely illustrate the basic principle and features of the present utility model, and the present utility model is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A riding mower, comprising:

a vehicle body;

the traveling mechanism is mounted to the vehicle body and comprises a traveling assembly and a driving assembly for driving the traveling assembly;

the brake operation assembly comprises a brake pedal and a bracket, the bracket is connected with the vehicle body, the brake pedal is movably connected with the bracket, and the brake pedal is used for a user to operate between an initial position and a parking position;

the brake execution assembly is connected with the brake pedal and used for executing a braking action to brake the travelling mechanism;

characterized by further comprising:

the parking assembly comprises a locking piece, wherein the locking piece is rotationally connected with the bracket, and the locking piece can lock the brake pedal at the parking position.

2. The riding mower of claim 1, wherein the brake pedal is provided with a locking groove, and wherein one end of the locking member forms a locking hook, the locking hook being insertable into the locking groove.

3. The riding mower of claim 2, wherein the locking member is coupled to the bracket via a locking shaft, the locking shaft having a torsion spring disposed thereon.

4. The riding mower of claim 3, wherein the locking member is U-shaped, the locking member comprises a first side arm, a connecting arm and a second side arm connected in sequence, the locking shaft penetrates through the first side arm and the second side arm, and one end of the first side arm forms the locking hook.

5. The riding mower of claim 1, wherein the park assembly further comprises a park toggle and a park shift lever, wherein one end of the locking member is rotatably coupled to the park shift lever, and wherein the park toggle is operable to rotate the locking member between the locked position and the unlocked position via the park shift lever.

6. The riding mower of claim 5, wherein the body is provided with an instrument housing, and the parking dial is provided on one side of the instrument housing and slidingly connected with the instrument housing.

7. The riding mower of claim 5, wherein the park shift lever comprises a first link, a second link, and a connection assembly comprising:

the fixed rod is fixedly connected with the vehicle body;

the movable rod, the pole body of movable rod with the dead lever rotates to be connected, the one end of movable rod with first connecting rod articulates, the other end of movable rod with the second connecting rod articulates.

8. The riding mower of claim 1, wherein the park assembly further comprises:

the electronic switch is electrically connected with the driving assembly to control the driving assembly to enter a parking mode;

and the trigger piece is connected with the brake pedal and triggers the electronic switch when the brake pedal is stepped to the parking position.

9. The riding mower of claim 8, wherein the brake pedal is coupled to the bracket via a spindle and the trigger is coupled to the spindle.

10. The riding mower of claim 8, wherein the bracket is box-shaped, the locking member is located on an outer side of the bracket, and the electronic switch and the trigger member are both located on an inner side of the bracket.

Images