Grass cutter
阅读说明:本技术 割草机 (Grass cutter ) 是由 于振华 于 2020-07-10 设计创作,主要内容包括:本发明提供一种割草机,包括机架、设于机架前部下侧的割草刀盘、连接机架与割草刀盘且用以调节割草刀盘的高度的调高装置、控制板;调高装置包括:至少一组连接组件,包括转动连接于机架上的连接板,割草刀盘连接于连接板的端部;手动调节组件,包括与连接板相连接的调节件、用以定位调节件的位置的定位件;电动调节组件,包括安装于机架上且用以驱动连接组件转动的驱动件、设于驱动件与连接组件之间以选择性连接驱动件与连接组件的切换件;在用户驾驶割草机经过台阶时,用户能够通过手动调节组件快速调节割草刀盘的高度;在用户驾驶割草机位于草坪上后,用户能够通过驱动件电动调节割草刀盘的高度。(The invention provides a mower which comprises a rack, a mowing cutter head arranged on the lower side of the front part of the rack, a height adjusting device and a control panel, wherein the height adjusting device is connected with the rack and the mowing cutter head and is used for adjusting the height of the mowing cutter head; the height adjusting device comprises: the connecting assembly comprises a connecting plate which is rotatably connected to the rack, and the mowing cutter head is connected to the end part of the connecting plate; the manual adjusting assembly comprises an adjusting piece connected with the connecting plate and a positioning piece used for positioning the position of the adjusting piece; the electric adjusting assembly comprises a driving piece which is arranged on the rack and used for driving the connecting assembly to rotate, and a switching piece which is arranged between the driving piece and the connecting assembly and used for selectively connecting the driving piece and the connecting assembly; when a user drives the mower to pass through the steps, the user can quickly adjust the height of the mowing cutter head through the manual adjusting assembly; after a user drives the mower to be positioned on the lawn, the user can electrically adjust the height of the mowing cutter head through the driving piece.)
1. A mower comprises a rack, a mowing cutter head arranged on the lower side of the front part of the rack, a height adjusting device which is connected with the rack and the mowing cutter head and is used for adjusting the height of the mowing cutter head, and a control panel which controls the mower to run; the method is characterized in that: the height-adjusting device comprises:
the connecting assembly comprises a connecting plate which is rotatably connected to the rack, and the mower disc is connected to the end of the connecting plate;
the manual adjusting assembly comprises an adjusting piece connected with the connecting plate and a positioning piece used for positioning the position of the adjusting piece;
the electric adjusting assembly comprises a driving piece, a switching piece and a control panel, wherein the driving piece is arranged on the rack and used for driving the connecting assembly to rotate, the driving piece is arranged between the driving piece and the connecting assembly to be selectively connected with the driving piece and the connecting assembly, and the driving piece and the switching piece are electrically connected with the control panel.
2. The mower of claim 1, wherein: the connecting assembly further comprises a rotating shaft which is rotatably connected to the rack, and the connecting plate is fixedly connected to one end of the rotating shaft; the switching piece is connected to the rotating shaft.
3. The mower of claim 2, wherein: the switching piece comprises a mounting seat sleeved on the rotating shaft, a gear which is positioned in the mounting seat and fixedly connected to the rotating shaft, a meshing plate movably connected in the mounting seat, and a switching selection piece for driving the meshing plate to be separated from the gear or meshed with the gear, wherein meshing teeth meshed with the gear are arranged at the end part of the meshing plate.
4. A lawnmower as claimed in claim 3, wherein: the meshing plate is a U-shaped metal meshing plate, meshing teeth are arranged at two ends of the U-shaped metal meshing plate, and the two meshing teeth are located on two opposite sides of the circumferential direction of the gear; the switching selection piece is used for driving the U-shaped metal meshing plate to be separated from the gear or driving one meshing tooth in the U-shaped metal meshing plate to be meshed with the gear.
5. The mower of claim 4, wherein: the switch further comprises a spring connecting the U-shaped metal engaging plate into the mounting seat; the switching selection piece comprises two electromagnets and a switch, the two electromagnets are arranged in the mounting seat and are respectively arranged on two opposite sides of the U-shaped metal meshing plate, the switch selectively energizes the two electromagnets, and the switch is electrically connected with the control plate.
6. A lawnmower as claimed in claim 3, wherein: the driving piece is provided with a telescopic rod, and one end of the telescopic rod, facing the mounting seat, is rotatably connected with the mounting seat.
7. The mower of claim 1, wherein: the number of the connecting assemblies is two, and the two connecting assemblies are arranged on the rack at intervals along the front-back direction; the height-adjusting assembly further comprises two connecting rods for linkage of the connecting assemblies, and the electric adjusting assembly acts on the connecting assemblies located on the rear side.
8. The mower of claim 7, wherein: each connecting assembly further comprises a rotating shaft which is rotatably connected to the rack, and each connecting plate comprises an L-shaped connecting plate which is fixedly connected to one end of the rotating shaft; l type connecting plate include fixed connection in change epaxial first board, fixed connection in the first board is close to the second board of the one end of pivot, the grass cutting blade disc connect in the second board is kept away from the one end of pivot, the both ends of connecting rod rotate respectively connect in two in coupling assembling on the first board.
9. The mower of claim 1, wherein: the connecting plate comprises an L-shaped connecting plate, the L-shaped connecting plate comprises a first plate and a second plate, the first plate is rotatably connected to the rack, the second plate is fixedly connected to one end, close to the rack, of the first plate, and the mowing cutter head is connected to one end, far away from the first plate, of the second plate; the adjusting part is rotatably connected with the adjusting plate on the first plate, and the positioning part comprises a positioning groove arranged on the adjusting plate, a positioning plate fixedly connected with the rack and provided with a plurality of positioning holes, and a positioning rod used for being matched with the positioning holes and the positioning groove.
10. The mower of claim 9, wherein: the manual adjusting assembly further comprises a pedal fixed at the end of the first plate and a fixing plate fixed on the rack and used for positioning the pedal.
Technical Field
The invention relates to the technical field of garden tools, in particular to a mower capable of manually or electrically adjusting the height of a mowing cutter head.
Background
With the development of large-area lawns, lawn mowers for lawn mowing have been widely used. Lawn mower generally includes the frame, connects in the anterior downside of frame for the grass cutting blade disc of mowing, is used for adjusting the height-adjusting device of grass cutting blade disc's height, among the prior art, height-adjusting device generally is manual regulation, and the operation is comparatively loaded down with trivial details.
Along with the popularization of lithium electricity, generally adopt electric putter electrical control now the height of cutterhead mows, the customer passes through the lift of on-off control cutterhead to reach suitable height of mowing, change in the operation. However, when a customer drives the lawn mower to enter or leave a lawn, the customer often encounters a step or the like, the mower disc needs to be lifted to the highest position when the customer passes the step, the telescopic rod of the electric push rod is driven by the worm gear and the worm, the telescopic speed is slow, the adjustment of the height of the mower disc to the highest position requires a long time, and uncomfortable operation feeling is brought to the customer.
In view of the above, there is a need for a new lawn mower to solve the above problems.
Disclosure of Invention
The invention aims to provide a mower which can manually or electrically adjust the height of a mower disc.
In order to achieve the purpose, the invention adopts the following technical scheme: a mower comprises a rack, a mowing cutter head arranged on the lower side of the front part of the rack, a height adjusting device which is connected with the rack and the mowing cutter head and is used for adjusting the height of the mowing cutter head, and a control panel which controls the mower to run; the height-adjusting device comprises:
the connecting assembly comprises a connecting plate which is rotatably connected to the rack, and the mower disc is connected to the end of the connecting plate;
the manual adjusting assembly comprises an adjusting piece connected with the connecting plate and a positioning piece used for positioning the position of the adjusting piece;
the electric adjusting assembly comprises a driving piece, a switching piece and a control panel, wherein the driving piece is arranged on the rack and used for driving the connecting assembly to rotate, the driving piece is arranged between the driving piece and the connecting assembly to be selectively connected with the driving piece and the connecting assembly, and the driving piece and the switching piece are electrically connected with the control panel.
As a further improved technical scheme of the invention, the connecting assembly further comprises a rotating shaft which is rotatably connected to the rack, and the connecting plate is fixedly connected to one end of the rotating shaft; the switching piece is connected to the rotating shaft.
As a further improved technical solution of the present invention, the switching element includes a mounting seat sleeved on the rotating shaft, a gear located in the mounting seat and fixedly connected to the rotating shaft, an engaging plate movably connected in the mounting seat, and a switching selection element for driving the engaging plate to disengage from or engage with the gear, and an end of the engaging plate is provided with an engaging tooth engaged with the gear.
As a further improved technical scheme of the invention, the meshing plate is a U-shaped metal meshing plate, meshing teeth are arranged at two ends of the U-shaped metal meshing plate, and the two meshing teeth are positioned at two opposite sides of the circumferential direction of the gear; the switching selection piece is used for driving the U-shaped metal meshing plate to be separated from the gear or driving one meshing tooth in the U-shaped metal meshing plate to be meshed with the gear.
As a further improved technical solution of the present invention, the switching piece further includes a spring connecting the U-shaped metal engaging plate to the inside of the mounting seat; the switching selection piece comprises two electromagnets and a switch, the two electromagnets are arranged in the mounting seat and are respectively arranged on two opposite sides of the U-shaped metal meshing plate, the switch selectively energizes the two electromagnets, and the switch is electrically connected with the control plate.
As a further improved technical scheme of the invention, the driving piece is provided with a telescopic rod, and one end of the telescopic rod facing the mounting seat is rotatably connected with the mounting seat.
As a further improved technical scheme of the invention, the number of the connecting components is two, and the two connecting components are arranged on the rack at intervals along the front-back direction; the height-adjusting assembly further comprises two connecting rods for linkage of the connecting assemblies, and the electric adjusting assembly acts on the connecting assemblies located on the rear side.
As a further improved technical scheme of the present invention, each of the connecting assemblies further includes a rotating shaft rotatably connected to the frame, and the connecting plate includes an L-shaped connecting plate fixedly connected to one end of the rotating shaft; l type connecting plate include fixed connection in change epaxial first board, fixed connection in the first board is close to the second board of the one end of pivot, the grass cutting blade disc connect in the second board is kept away from the one end of pivot, the both ends of connecting rod rotate respectively connect in two in coupling assembling on the first board.
As a further improved technical scheme of the invention, the connecting plate comprises an L-shaped connecting plate, the L-shaped connecting plate comprises a first plate rotatably connected to the frame and a second plate fixedly connected to one end of the first plate close to the frame, and the mower disc is connected to one end of the second plate far from the first plate; the adjusting part is rotatably connected with the adjusting plate on the first plate, and the positioning part comprises a positioning groove arranged on the adjusting plate, a positioning plate fixedly connected with the rack and provided with a plurality of positioning holes, and a positioning rod used for being matched with the positioning holes and the positioning groove.
As a further improved technical solution of the present invention, the manual adjustment assembly further includes a pedal fixed to an end of the first plate, and a fixing plate fixed to the frame for positioning the pedal.
The invention has the beneficial effects that: the mower is provided with the manual adjusting assembly and the electric adjusting assembly which are used for adjusting the height of the mowing cutter head at the same time, and can be switched between manual adjustment and electric adjustment, so that when a user drives the mower to pass through steps, the user can quickly adjust the height of the mowing cutter head through the manual adjusting assembly; after the user drives the mower to be positioned on the lawn, the user can electrically adjust the height of the mowing cutter head through the driving piece, and the operation is easy.
Drawings
Fig. 1 is a schematic view of the structure of the lawn mower of the present invention.
Fig. 2 is a schematic structural diagram of the height adjusting device in fig. 1.
Fig. 3 is a schematic view of the structure of fig. 2 from another angle.
Fig. 4 is an internal structure diagram of the switching member in fig. 2.
Detailed Description
The present invention will be described in detail with reference to the embodiments shown in the drawings, and reference is made to fig. 1 to 4, which are preferred embodiments of the present invention. It should be noted that these embodiments are not intended to limit the present invention, and those skilled in the art should be able to make functional, methodical, or structural equivalents or substitutions according to these embodiments without departing from the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", and the like in the present invention indicate orientation or positional relationship only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In this specification, it is to be noted that, unless otherwise explicitly stated or limited, the term "connected" or the like is to be interpreted broadly, and for example, the connection may be a direct connection or an indirect connection via an intermediate, and may be a fixed connection or a detachable connection or an integral connection. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, the present invention provides a lawn mower 100, wherein the lawn mower 100 is used for trimming a lawn.
The embodiment of the present invention is specifically described by taking the lawn mower 100 as a riding lawn mower. It should be noted that the technical spirit involved in the embodiments described below may be alternatively applied to other forms of lawnmowers, such as a walk-behind lawnmower.
Specifically, the mower 100 includes a frame 1, a mower deck 2 disposed on a lower side of a front portion of the frame 1, a height adjusting device 3 connected to the frame 1 and the mower deck 2 and used for adjusting a height of the mower deck 2, and a control panel (not shown) for controlling the mower 100 to operate.
In addition to the height adjusting device 3, the mower 100 of the present invention may have other structures, such as the specific structures of the frame 1, the front wheels and the rear wheels connected to the frame 1, the driving system connected to the rear wheels, the seat disposed in the middle of the body of the frame 1, the operating rod disposed in the front of the seat, and the mower deck 2, and the like, which are not described herein again.
The height adjusting device 3 comprises at least one group of connecting
Specifically, coupling assembling 31 including rotate connect in connecting
Specifically, the connecting
Further, in the embodiment in which the
Further, the
It can be understood that, in the embodiment that the connection plate includes an L-shaped connection plate 3111 fixedly connected to one end of the rotation shaft 312 and a
In this embodiment, the quantity of coupling assembling 31 is two, and two coupling assembling 31 sets up along front and back direction interval, further strengthens the fixed stability of grass cutting cutter 2, strengthens the stationarity that grass cutting cutter 2 moved, strengthens the planarization of lawn mower 100 to the pruning on lawn.
Further, in the embodiment that the number of the connecting
Specifically, in the embodiment that the number of coupling assembling 31 is two,
Further,
In a specific embodiment, the adjusting
Further,
It can be understood that, after the user adjusts the mower disc 2 to the mowing height and inserts the
Further, the switching
In this embodiment, the following description will be made by taking an example in which the rotating shaft 312 rotates clockwise to adjust the mower disc 2 to move upward, and the rotating shaft 312 rotates counterclockwise to adjust the mower disc 2 to move downward. Of course, this is not a limitation.
In one embodiment, the engaging plate 3323 is a U-shaped metal engaging plate, the U-shaped metal engaging plate includes a front plate and a rear plate that are spaced apart from each other in a front-rear direction, and a connecting plate that is connected to lower ends of the front plate and the rear plate, ends of the front plate and the rear plate that are away from the connecting plate are respectively provided with engaging teeth that are engaged with the gear 3322, and after the U-shaped metal engaging plate is installed in the mounting seat 3321, the front plate and the rear plate are located on opposite sides of a circumferential direction of the gear 3322; the switching selection piece is used for driving the U-shaped metal meshing plate to be disengaged from the gear 3322 or driving one meshing tooth of the U-shaped metal meshing plate to be meshed with the gear 3322, when the switching selection piece drives the meshing tooth on the front plate to be meshed with the gear 3322, the
In one embodiment, the front plate, the rear plate and the connecting plate are integrally formed into the U-shaped metal engaging plate; of course, this is not a limitation.
Further, the switching
Further, the switching selection member includes two electromagnets 3324 disposed in the mounting seat 3321 and respectively disposed on two opposite sides of the U-shaped metal engaging plate 3323, and a switch (not shown) for selectively energizing the two electromagnets 3324, wherein the switch is electrically connected to the control board.
It can be understood that the two electromagnets 3324 are respectively disposed on two opposite sides of the U-shaped metal engaging plate 3323 along the front-back direction, and respectively include a front electromagnet 3324 close to the front plate and a rear electromagnet 3324 close to the rear plate. When the front electromagnet 3324 and the rear electromagnet 3324 are not electrified by the change-over switch, the meshing teeth on the front plate and the rear plate are disengaged from the gear 3322, at this time, the rotating shaft 312 is in a free state, and the height of the mower disc 2 can be adjusted by the
In a specific embodiment, the
Specifically, in the embodiment where the driving
The method of use of the mower 100 of the present invention is as follows:
when the height of the mowing cutter head 2 needs to be adjusted manually, the change-over switch is pressed to enable the front magnet and the rear magnet to be not electrified, then a user steps on the
When the height of the mower deck 2 needs to be electrically adjusted, firstly, a user steps on the
In summary, the mower 100 of the present invention is provided with the
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
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