CN213960833U - Start and stop control device and have this lawn mower who opens and stop control device - Google Patents

Abstract

The utility model provides a start-stop control device and a mower with the same, wherein the start-stop control device comprises a brake mechanism, the brake mechanism comprises a brake component and a locking component, and the locking component comprises a pull rod for locking the brake component; and the starting mechanism comprises a starting rod, and the starting rod is connected with the pull rod so as to drive the pull rod to move when the starting rod is operated, so that the brake assembly is unlocked. The utility model discloses utilize the linkage of actuating mechanism and locking subassembly, only need to control actuating mechanism just can normally travel under the parking state.

Description

Start and stop control device and have this lawn mower who opens and stop control device

Technical Field

The utility model relates to an open and stop controlling means and have this lawn mower who opens and stop controlling means belongs to the garden instrument field.

Background

The parking brake is a parking gear in a hand brake or an automatic gear, is used for locking a transmission shaft or a rear wheel, is one of indispensable brake devices of the vehicle, and is used for ensuring that the vehicle does not slide on a slope meeting the slope requirement when being stopped on the slope.

Riding garden tools such as lawnmowers and tractors are generally provided with a control device for controlling braking and starting acceleration of the whole garden tool, and existing riding garden tools generally brake by stepping on a brake pedal of the control device and park the whole garden tool by keeping the brake pedal at a braking position. The seat of this kind of structure rides formula garden instrument then need trample earlier brake pedal when starting by the parking state and make and sit formula garden instrument and relieve the parking state, then trample controlling means's accelerator pedal, sit and ride formula garden instrument and just can normally travel, complex operation can not the quick start. In addition, the control device of the existing riding type garden tool is complex in structure and inconvenient to produce and manufacture.

In view of the above, it is necessary to provide a start-stop control device and a lawn mower having the same to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a open and stop controlling means and have this lawn mower who opens and stop controlling means to realize the parking and the quick switch-over of driving.

In order to achieve the purpose, the utility model provides a start-stop control device, which comprises a brake mechanism, wherein the brake mechanism comprises a brake component and a locking component, and the locking component comprises a pull rod used for locking the brake component; and the starting mechanism comprises a starting rod, and the starting rod is connected with the pull rod so as to drive the pull rod to move when the starting rod is operated, so that the brake assembly is unlocked.

As a further improvement of the utility model, the brake subassembly includes brake lever, clamp plate and brake cable, the clamp plate with the brake lever is connected, the brake cable with the clamp plate is connected, in order to pass through the brake lever drives the motion of brake cable.

As a further improvement of the present invention, the pressing plate is provided with a spacing portion that is matched with the locking component.

As a further improvement of the present invention, the brake assembly further includes a brake switch engageable with and disengageable from the pressing plate.

As a further improvement of the present invention, the locking assembly includes a pull rod, the pull rod is provided with a locking portion capable of cooperating with the limiting portion.

As a further improvement of the present invention, the actuating mechanism includes an actuating lever and an accelerator connected to the actuating lever.

As a further improvement of the present invention, the actuating mechanism further includes a first reset mechanism for driving the actuating rod to reset.

As a further improvement of the utility model, the actuating mechanism includes the actuating lever, the locking subassembly is including being used for the locking brake assembly's pull rod, the pull rod with the actuating lever is connected, in order to pass through the actuating lever drives the pull rod motion.

As a further improvement, the brake assembly includes a second reset mechanism for driving the brake assembly to reset.

As a further improvement of the present invention, the locking assembly includes a third reset mechanism for driving the pull rod to reset.

As a further improvement of the present invention, the start/stop control device further comprises a base for accommodating at least part of the brake mechanism and at least part of the actuating mechanism, the base is provided with a window for the brake lever and the actuating lever to be worn out.

As a further improvement, the actuating lever is located the one end in the base outside is equipped with first footboard, the brake lever is located the other end in the base outside is equipped with the second footboard.

In order to realize the purpose, the utility model also provides a mower, which comprises a frame; the traveling mechanism is connected with the rack; the working unit is connected with the rack; the energy mechanism is used for supplying energy to the travelling mechanism and the working unit; the method is characterized in that: the mower further comprises a start-stop control device for controlling the mower to be quickly started in a parking state.

The utility model has the advantages that: the utility model discloses utilize the linkage of actuating mechanism and locking subassembly, only need to control actuating mechanism just can normally travel under the parking state, can realize quick start. Additionally, the utility model discloses an open and stop controlling means simple structure, and the manufacturing is convenient.

Drawings

Fig. 1 is a three-dimensional structure view of the lawn mower of the present invention.

Fig. 2 is a schematic structural diagram of the middle start/stop control device of the present invention, which is arranged on the frame.

Fig. 3 is a three-dimensional structure diagram of the start/stop control device of the present invention.

Fig. 4 is a side view of the start/stop control device of the present invention.

Fig. 5 is a schematic structural view of fig. 3 with the base removed.

Fig. 6 is another angular schematic of fig. 5.

Fig. 7 is a schematic structural diagram of the starting mechanism in the start-stop control device of the present invention.

Fig. 8 is the utility model discloses open the structural schematic diagram of stopping subassembly among the start-stop control device.

Fig. 9 is a schematic structural diagram of the locking assembly in the start/stop control device of the present invention.

Fig. 10 is a schematic structural diagram of a base in the start/stop control device of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model discloses a start and stop controlling means 200, this start and stop controlling means 200 can set up on garden instrument (being the carrier) such as lawn mower, tractor to the realization is to the control of garden instrument parking and start-up. Of course, the start/stop control device 200 may also be applied to other garden tools or electric tools to realize the control of parking and starting, which is not described in detail herein, nor is it limited in any way. For clarity of description, the detailed structure of the start-stop control device 200 will be described in the following description by taking the application of the start-stop control device 200 to the lawn mower 100 as an example.

As shown in fig. 1, the present invention discloses a lawn mower 100 including a frame 1, a seat 2, a driving mechanism (not shown), a traveling mechanism 3, an operating mechanism 4, an energy mechanism, and a working unit 5.

A seat 2 is mounted to the frame 1 for seating an operator. The driving mechanism is connected with the frame 1 and is used for driving the traveling mechanism 3 and the working unit 5 to operate. In the present embodiment, the driving mechanism includes a first motor for driving the traveling mechanism 3 to travel and a second motor for driving the working unit 5 to perform work; the traveling mechanism 3 is used for driving the mower 100 to travel, and the traveling mechanism 3 of the present embodiment specifically includes a pair of traveling wheels and a pair of driving wheels, and the pair of driving wheels can be driven by the first motor.

An operating mechanism 4 is provided in front of the seat 2 for controlling the traveling direction of the lawnmower 100. In the present embodiment, the operating mechanism 4 specifically includes a steering wheel assembly by which an operator can control the direction of the road wheels, and thus the direction of travel of the mower 100.

The working unit 5 includes a blade capable of performing a mowing function. Preferably, the blade of the present embodiment is provided with two. Correspondingly, the number of the second motors is two, so that the two blades are controlled to work respectively.

The energy mechanism is a battery pack assembly including at least one battery pack for powering the first motor, the second motor, and other electronic components disposed on the mower 100. Preferably, the number of the battery packs is 6, and the battery packs can supply power to handheld electric tools such as a grass trimmer, a pruner and the like. Meanwhile, the energy mechanism of the embodiment is arranged below the seat 2, so that the space utilization rate can be improved, the center of gravity is reduced, and the mower 100 is more stable. Of course, in other embodiments, the energy mechanism may be an entire battery pack, rather than being a combination of multiple battery packs that are capable of powering the hand-held power tool.

As shown in fig. 2, the lawn mower 100 of the present embodiment further includes a start-stop control device 200, and the start-stop control device 200 includes a brake mechanism for realizing the brake parking of the lawn mower 100 and a start mechanism 10 for realizing the start of the lawn mower 100. Specifically, the braking mechanism comprises a brake assembly 20 and a locking assembly 30, wherein the locking assembly 30 is used for locking the brake assembly 20 to enable the mower 100 to be in a parking state. When the mower is parked or stopped, the braking assembly 20 first brakes the mower 100, and then the locking assembly 30 locks the braking assembly 20 in the parking state, so that the mower 100 can be easily parked or stopped.

In a preferred embodiment of the present invention, the actuating mechanism 10 is connected to the locking assembly 30, and when the actuating mechanism 10 is actuated, the actuating mechanism 10 can drive the locking assembly 30 to unlock the brake assembly 20, so that the lawn mower 100 can walk. In the embodiment of the present invention, the actuating mechanism 10, the brake assembly 20 and the locking assembly 30 are respectively provided with an actuating rod 11, a brake rod 21 and a pull rod 31 for respectively controlling the actuating mechanism 10, the brake assembly 20 and the locking assembly 30.

Further, the actuating mechanism 10 includes an actuating rod 11 movably disposed and an accelerator 12 connected to the actuating rod 11, the accelerator 12 is used for controlling the mower 100 to walk, one end of the actuating rod 11 is connected to the accelerator 12, the other end of the actuating rod 11 is provided with a first pedal 13 for foot operation, the actuating rod 11 is controlled to generate a mechanical action by stepping on the first pedal 13, and the accelerator 12 can convert a mechanical signal into an electrical signal, so as to control the mower 100 to start and perform a corresponding action.

The starting rod 11 can swing relative to the frame 1, specifically, the starting rod 11 is connected with the frame 1 through the bracket 14, the starting rod 11 is connected on the support 14, the support 14 is rotatably connected with the frame 1, when the first pedal 13 is stepped, the first pedal 13 drives the starting rod 11 to move, and the starting rod 11 drives the support 14 to rotate relative to the frame 1. More specifically, the bracket 14 is rotatably connected to the frame 1 through a mounting seat 141, the mounting seat 141 is fixedly connected to the frame 1, and one end of the bracket 14 is rotatably connected to the mounting seat 141. Meanwhile, the accelerator 12 is fixedly connected to the mounting seat 141, the accelerator 12 is connected to the bracket 14, the actuating rod 11 is connected to the accelerator 12 through the bracket 14, and when the actuating rod 11 moves, the bracket 14 is driven to move, so that the accelerator 12 recognizes the mechanical movement and correspondingly generates an electric signal to control the action of the mower 100. Preferably, an angle sensor is disposed in the accelerator 12 of the present embodiment, and when the bracket 14 rotates, the angle sensor detects rotation information, so as to generate a corresponding signal. Of course, other types of sensors may be provided in the accelerator 12, and are not limited herein. Since the accelerator 12 is well known to those skilled in the art, the detailed structure thereof will not be described herein.

The actuating mechanism 10 further includes a first reset mechanism 15 for driving the actuating rod 11 to reset, and when the external force applied to the actuating rod 11 is removed, the actuating rod 11 can be driven by the first reset mechanism 15 to return to the initial position.

Further, the brake assembly 20 includes a brake lever 21, a pressure plate 22, and a brake cable 23. Brake pole 21 one end is connected in frame 1, and can rotate for frame 1, and clamp plate 22 is connected on brake pole 21 and with brake pole 21 simultaneous movement, brake cable 23 one end is connected on clamp plate 22, and the other end is connected on the running gear 3 of lawn mower 100, and when brake pole 21 changes the rotation relatively to frame 1, brake pole 21 synchronous belt clamp plate 22 moves to the pulling is connected with clamp plate 22's brake cable 23, and then brakes running gear 3 and realize the brake.

Preferably, the brake lever 21 includes a horizontally disposed movable portion 212 and a connecting portion 211 vertically connected to the movable portion 212, the movable portion 212 is disposed on the frame 1 in a limited manner and can only rotate around the horizontal direction, and the other end of the connecting portion 211 is provided with the second pedal 24, so that the brake lever 21 can rotate around the movable portion 212. Specifically, the second pedal 24 is preferably fixed to the brake lever 21 by screws, and the movable portion 212 is rotatably connected to the frame 1 by a fixed pressing plate 213, and at the same time, the pressing plate 22 is preferably fixedly connected to the movable portion 212 by welding, so that the pressing plate 22 and the movable portion 212 rotate synchronously.

In the embodiment, the pressing plate 22 is vertically arranged and connected with the brake lever 21 and the brake cable 23, and when the brake lever 21 moves, the brake lever 21 drives the pressing plate 22 to swing, so as to pull the brake cable 23 to be tensioned for braking.

The pressing plate 22 is further provided with a stopper portion 25 for engaging with the locking member 30, the stopper portion 25 being provided to protrude, the stopper portion 25 protruding from a surface of the pressing plate 22 so as to engage with the locking member 30. Specifically, the stopper portion 25 is preferably columnar.

The brake assembly 20 further includes a brake switch 26 for controlling the actuation of the brake, the brake switch 26 being fixed to the frame 1, the brake switch 26 being engageable with and disengageable from the pressure plate 22. When the brake lever 21 is not operated, i.e. the mower 100 is in the non-braking state, the pressure plate 22 controls the brake switch 26 to be in the on state, and at this time, the travelling mechanism 3 of the mower 100 is in the non-braking state; when the brake lever 21 is operated, that is, the mower 100 is in the braking state, the pressure plate 22 controls the brake switch 26 to be in the off state, and the travelling mechanism 3 of the mower 100 is in the braked state. Specifically, when the brake lever 21 is not operated, the pressing plate 22 abuts against the brake switch 26, so that the brake switch 26 is in an on state, when the brake lever 21 is operated to brake, the brake lever 21 drives the pressing plate 22 to swing towards one side away from the brake switch 26, and the pressing plate 22 is separated from the brake switch 26, so that the brake switch 26 is in an off state. The brake switch 26 is connected to the traveling mechanism 3, and when the brake switch 26 is turned off, the brake switch 26 causes the mower 100 to control the first motor to lock, and the first motor stops operating, so that the driving wheel of the traveling mechanism 3 stops traveling.

Preferably, the pressing plate 22 is further provided with an abutting portion 221 connected to the pressing plate 22, and the abutting portion 221 is used for increasing a contact area with the brake switch 26 so that the brake switch 26 can be more accurately triggered during operation. In the present embodiment, the contact portion 221 is provided perpendicular to the pressure plate 22 and has a contact surface that can contact the brake switch 26. The abutting portion 221 may be provided integrally with the platen 22, or may be a separate member connected to the platen 22. Of course, the connection manner of the pressure plate 22 and the brake switch 26 includes, but is not limited to, the above structure, as long as the trigger can be realized during the rotation of the pressure plate 22, and the connection manner is not limited herein.

Similarly, the brake assembly 20 further includes a second returning mechanism 27 for returning the brake assembly 20, and when the external force applied to the brake assembly 20 is removed, the second returning mechanism 27 returns the brake assembly 20 to the initial position in which the brake cable 23 is in a state of not braking the traveling mechanism 3. In this embodiment, the second reset mechanism 27 is preferably connected to the position-limiting portion 25, so as to drive the brake assembly 20 to reset more smoothly and more laborsavingly, and meanwhile, the second reset mechanism 27 is connected to the position-limiting portion 25, so that when the brake assembly 20 is locked with the locking assembly 30, the brake assembly 20 can be more tightly and reliably matched with the locking assembly 30 under the action of the second reset mechanism 27.

Further, the locking assembly 30 includes a pull rod 31, the pull rod 31 is provided with a movable bolt 32 fixedly disposed on the pull rod 31, and the pull rod 31 can rotate around the movable bolt 32. The lever 31 is provided with a locking portion 33, the locking portion 33 being adapted to cooperate with the stopper portion 25 such that the lawn mower 100 is locked to the parked state by the locking assembly 30. When the mower 100 needs to be parked or parked, the brake lever 21 is operated first, the brake lever 21 drives the pressing plate 22 to move to a certain position to realize braking, at this time, the pull rod 31 is operated to enable the locking portion 33 of the pull rod 31 to be matched with the limiting portion 25 of the pressing plate 22, the pull rod 31 is about to lock the pressing plate 22 at the position, and the brake cable 23 is always in a state of braking the travelling mechanism 3, so that the mower 100 realizes parking. Preferably, the locking portion 33 is hook-shaped so as to snap-fit the columnar stopper portion 25.

A handle 34 is also connected to the pull rod 31 for operating the pull rod 31. Specifically, the handle 34 is preferably fixed to an end of the draw bar 31 remote from the locking portion 33 by a fastener such as a bolt.

As can be seen from the above, the actuating mechanism 10 is connected to the locking assembly 30, and in the embodiment, the pull rod 31 of the locking assembly 30 is connected to the actuating mechanism 10, and the pull rod 31 is connected to the actuating rod 11 of the actuating mechanism 10. When the actuating lever 11 is operated, the actuating lever 11 drives the pull rod 31 to move, so that the locking portion 33 is separated from the limiting portion 25, and the brake assembly 20 is unlocked. Preferably, the actuating lever 11 is connected to the pull rod 31 by an elastic member 35, and the actuating lever 11 is controlled to release the engagement of the locking portion 33 with the stopper portion 25, so that the brake lever 21 is reset. The specific connection position of the elastic element 35 can be set according to the requirement, and is not limited herein. Of course, the elastic element 35 may be a spring, and may also be other elastic devices, which are not limited herein. In another embodiment of the present invention, the actuating lever 11 and the pull rod 31 may be connected by a connecting rod (not shown).

In a preferred embodiment of the present invention, the locking portion 33 and the elastic member 35 are respectively disposed at both ends of the pull rod 31 with respect to the movable bolt 32 so that when the actuating lever 11 is operated, one end of the pull rod 31 can be moved by the other end. Of course, in other embodiments of the present invention, the locking portion 33 and the elastic element 35 may be disposed at the same end of the pull rod 31, and are not limited herein.

The locking assembly 30 further includes a third return mechanism 36 for returning the locking assembly 30, the third return mechanism 36 being coupled to the pull rod 31, wherein when the external force on the locking assembly 30 is removed, the third return mechanism 36 returns the locking assembly 30 to the initial position in which the locking assembly 30 is not engaged with the brake assembly 20.

The start-stop control device 200 further comprises a base 40, and at least part of the brake mechanism and at least part of the actuating mechanism 10 are accommodated in the base 40. Specifically, the base 40 is preferably fixed on the frame 1 by a fastener such as a bolt, the base 40 includes a pair of baffles 41 disposed opposite to each other in the left-right direction, the pair of baffles 41 are respectively provided with a window 42 for the brake lever 21 and the actuating lever 11 to move, and the brake lever 21 and the actuating lever 11 respectively extend to the outer side of the base 40 through the windows 42 for operation. In addition, the window 42 can limit the range of motion of the brake lever 21 and the actuating lever 11. The above-mentioned pull rod 31 is preferably rotatably connected to the base 40, and the pull rod 31 is preferably vertically disposed and rotatable in a vertical plane.

The base 40 further includes a set of connecting plates 43, in this embodiment, the set of connecting plates 43 connects the pair of shutters 41, the set of connecting plates 43 includes a first connecting plate 431 and a second connecting plate 432, and the pull rod 31 is rotatably connected to the base 40 through the first connecting plate 431.

The first reset mechanism 15, the second reset mechanism 27 and the second reset mechanism 36 are preferably tension springs, one end of the first reset mechanism 15 is connected to the actuating mechanism 10, and the other end is connected to the second connecting plate 432 of the base 40. More preferably, one end of the first resetting mechanism 15 is connected with the support 14 of the starting mechanism 10, and the first resetting mechanism 15 drives the support 14 to reset so as to drive the starting rod 11 to reset; one end of the second reset mechanism 27 is connected with the limiting part 25, the other end is connected with the frame 1, and the second reset mechanism 27 is set as a spring to enable the brake component 20 to always keep the trend of resetting, so that the brake component 20 can be tightly matched with the locking component 30; the third returning mechanism 36 has one end connected to the pull rod 31 and the other end connected to the first connecting plate 431. Of course, in other embodiments, the first return mechanism 15, the second return mechanism 27, and the second return mechanism 36 may have other configurations and other connections.

In the actual operation process, firstly, the second pedal 24 is stepped to drive the brake rod 21 to rotate relative to the frame 1, and then the pressing plate 22 is driven to move, the pressing plate 22 is separated from the brake switch 26, the brake switch 26 is switched off, the first motor for driving the traveling mechanism 3 is locked, the brake cable 23 is pulled to brake the traveling mechanism 3, at the moment, the handle 34 drives the pull rod 31 to move until the locking part 33 of the pull rod 31 is matched with the limiting part 25 on the pressing plate 22, so that the brake assembly 20 is locked, and thus, the mower 100 realizes braking and parking. At this time, the actuating lever 11 is maintained in the initial position by the first return mechanism 15, i.e., the mower 100 is maintained in the non-actuated accelerating state. When the mower 100 needs to be started to drive the mower 100 to walk, the first pedal 13 is directly stepped on, so as to drive the starting rod 11 to move, since the pull rod 31 is connected to the actuating rod 11, when the actuating rod 11 moves, the actuating rod 11 will pull the pull rod 31 through the elastic element 35, so that the pull rod 31 rotates, so that the locking part 33 of the draw bar 31 is disengaged from the stopper 25 of the pressing plate 22, and at this time, since no external force acts on the second pedal 24, the brake lever 21 is returned by the second return mechanism 27, the brake cable 23 is released, and at the same time, the presser plate 22 abuts against the brake switch 26, the brake switch 26 is turned on, the first motor for driving the traveling mechanism 3 is released from the locked state, the mower 100 is released from the parked state, the accelerator 12 generates a signal to control the mower 100 to travel by the operation of the actuating lever 11, and the pull rod 31 is returned by the third returning mechanism 36. In this way, the start/stop control device 200 of the present embodiment can directly operate the starting mechanism 10 without manually releasing the lock of the brake mechanism, and thus, the rapid switching of the parking operation is realized.

To sum up, the utility model discloses utilize the linkage of actuating mechanism 10 and locking Assembly 30, only need to control actuating mechanism 10 under the parking state and just can normally travel, can realize quick start. Additionally, the utility model discloses a open and stop controlling means 200 simple structure, and the manufacturing is convenient.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (13)

1. The utility model provides a start and stop controlling means is applied to garden instrument, its characterized in that: comprises that

The brake mechanism comprises a brake component and a locking component, and the locking component comprises a pull rod used for locking the brake component; and

and the starting mechanism comprises a starting rod, and the starting rod is connected with the pull rod so as to drive the pull rod to move when the starting rod is operated, so that the brake assembly is unlocked.

2. The start-stop control device according to claim 1, characterized in that: the brake assembly comprises a brake rod, a pressing plate and a brake cable, the pressing plate is connected with the brake rod, and the brake cable is connected with the pressing plate so as to drive the brake cable to move through the brake rod.

3. The start-stop control device according to claim 2, characterized in that: the pressing plate is provided with a limiting part matched with the locking component.

4. The start-stop control device according to claim 3, characterized in that: the brake assembly further includes a brake switch engageable with and disengageable from the pressure plate.

5. The start-stop control device according to claim 3, characterized in that: the pull rod is provided with a locking part which can be matched with the limiting part.

6. The start-stop control device according to claim 5, characterized in that: the actuating mechanism includes an accelerator coupled to the actuating lever.

7. The start-stop control device according to claim 6, characterized in that: the starting mechanism further comprises a first reset mechanism for driving the starting rod to reset.

8. The start-stop control device according to claim 1, characterized in that: the pull rod is connected with the starting rod through an elastic element so as to drive the pull rod to move through the starting rod.

9. The start-stop control device according to claim 8, characterized in that: the brake assembly comprises a second reset mechanism for driving the brake assembly to reset.

10. The start-stop control device according to claim 9, characterized in that: the locking assembly comprises a third reset mechanism for driving the pull rod to reset.

11. The start-stop control device according to claim 6, characterized in that: the start-stop control device further comprises a base for accommodating at least part of the brake mechanism and at least part of the starting mechanism, and the base is provided with a window for the brake rod and the starting rod to penetrate out.

12. The start-stop control device according to claim 11, characterized in that: the one end that the actuating lever is located the base outside is equipped with first footboard, the other end that the brake lever is located the base outside is equipped with the second footboard.

13. A lawn mower comprising

A frame;

the traveling mechanism is connected with the rack;

the working unit is connected with the rack; and

the energy mechanism is used for supplying energy to the travelling mechanism and the working unit; the method is characterized in that: further comprising a start-stop control device according to any of claims 1-12 for controlling a quick start of the lawn mower in a parked state.

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