CN220935690U - Mower - Google Patents
Mower Download PDFInfo
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- CN220935690U CN220935690U CN202322667396.2U CN202322667396U CN220935690U CN 220935690 U CN220935690 U CN 220935690U CN 202322667396 U CN202322667396 U CN 202322667396U CN 220935690 U CN220935690 U CN 220935690U
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- cutting assembly
- machine body
- mower
- mowing height
- gear
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- 244000025254 Cannabis sativa Species 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model relates to a mower, comprising: a body; the cutting assembly is connected to the machine body; the lifting assembly is connected to the machine body, is in driving connection with the cutting assembly and is used for changing the mowing height of the cutting assembly; the control module is used for controlling the lifting assembly to drive the cutting assembly to ascend or descend; the control module is characterized by comprising: an adjusting member having at least two gear positions: the cutting assembly is provided with a cutting assembly, a lowest gear and an adjusting gear, wherein the cutting assembly is provided with a cutting assembly, and the cutting assembly is provided with a cutting assembly; the adjusting piece is in an adjusting gear state, and the mowing height corresponding to the cutting assembly is higher than the lowest mowing height; and the controller is electrically connected with the adjusting piece and the lifting assembly. The mowing height of the mower can be set at will and can be accurately controlled; the situation that the cutting assembly is damaged due to the fact that the cutting assembly contacts the ground is effectively avoided through the lowest mowing height, and the situation that the walking of the mower is affected due to the fact that the position of the cutting assembly is too low can also be avoided.
Description
Technical Field
The utility model relates to the technical field of garden tools, in particular to a mower for trimming lawns in occasions such as families, public greenbelts and the like.
Background
Mowers are commonly used for lawn mowing maintenance in homes, parks, gardens, communities, and golf courses. However, as the grass is not flat in practice, a certain gradient can be presented, and even the situation of unevenness can occur; when the existing mower is used for trimming grasslands, slopes are encountered, when the grasslands are uneven, the mower can bypass and trim due to the problem of the height of the chassis, even the mower sometimes does not react timely and is sunk in the mower, the mower cannot work normally, surrounding grass can not be cut cleanly, and the mower is inconvenient to complete trimming of all corners on the lawn.
In order to solve the technical problems, a Chinese patent application No. CN202310365174.7 (publication No. CN 116326318A) discloses a mowing robot with adjustable mowing height, wherein a mowing mechanism and a lifting mechanism for driving the mowing mechanism to move up and down are arranged on a bottom plate of the mowing robot, so that the height of the mowing mechanism is adjusted through the lifting mechanism, the distance between a mowing blade and the ground is adjusted, and the trimming efficiency of a lawn is improved.
Although the mowing robot (also referred to as a mower) can adjust the mowing height to mow uneven grass, the mowing robot has the following limitations: because the mowing robot has no control system in the process of adjusting the height of the mowing mechanism through the lifting mechanism, the starting time of the lifting motor is difficult to accurately control according to the height of the mowing mechanism, and the mowing height of the mowing robot is difficult to control.
For this reason, further improvements to existing mowers are needed.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a mower capable of accurately controlling mowing height.
The technical scheme adopted for solving the technical problems is as follows: a mower, comprising:
A body;
The cutting assembly is connected to the machine body and used for cutting grass;
The lifting assembly is connected to the machine body, is in driving connection with the cutting assembly and is used for enabling the cutting assembly to lift up and down relative to the machine body so as to change the mowing height of the cutting assembly;
the control module is used for controlling the lifting assembly to drive the cutting assembly to ascend or descend;
Characterized in that the control module comprises:
An adjusting member having at least two gear positions: the cutting assembly comprises a lowest gear and an adjusting gear, wherein the adjusting piece is in a lowest gear state, and the mowing height corresponding to the cutting assembly is the lowest mowing height; the cutting assembly is arranged on the cutting assembly, and the cutting assembly is arranged on the cutting assembly;
A controller in electrical communication with the adjustment member and the lift assembly, the controller configured to: the lifting assembly is correspondingly controlled to correspondingly lift or descend according to the gear of the adjusting piece, so that the mowing height of the cutting assembly reaches the lowest mowing height or is higher than the mowing height of the lowest mowing height.
The structure of the adjusting member is various, and the first scheme of the adjusting member is preferably that: the adjusting piece comprises a knob switch and a potentiometer, the gear of the adjusting piece is arranged on the knob switch, the knob switch is electrically connected with the potentiometer, and the adjusting piece is electrically connected with the controller through the potentiometer.
The second solution is preferably: the adjusting piece comprises a knob switch and a first angle sensor, the gear of the adjusting piece is arranged on the knob switch, the first knob switch is electrically connected with the first angle sensor, and the adjusting piece is electrically connected with the controller through the first angle sensor.
In order to realize the display of the mowing height, so that an operator can intuitively know the mowing height, the knob switch is provided with a display mark for displaying the mowing height of each gear; or (b)
The machine body is provided with a display screen for displaying mowing heights of all gears, and the display screen is connected with the controller.
The structure of the lifting assembly is various, and preferably, the lifting assembly includes:
A driving member;
The telescopic rod is in driving connection with the driving piece, extends along the front-back direction of the machine body and can stretch along the front-back direction of the machine body under the driving of the driving piece;
the rocker extends along the left-right direction of the machine body, and two ends of the rocker are respectively restrained on the machine body through end covers;
The first connecting rod is in a strip shape, the first end of the first connecting rod is sleeved in the center of the rocker, and the second end of the first connecting rod is rotationally connected with the telescopic rod;
The two mounting arms are sleeved on the rocker, each mounting arm is respectively positioned at two ends of the rocker, and each mounting arm is also rotationally connected with the cutting assembly; and
The first end of each second connecting rod is rotationally connected with the corresponding mounting arm, and the second end of each second connecting rod is rotationally connected with the machine body.
In order to realize stable lifting of the cutting assembly, each mounting arm is in an isosceles triangle shape, each mounting arm is rotationally connected with the cutting assembly through a first rotating shaft near the top angle of the mounting arm, each mounting arm is sleeved on the rocker near one bottom angle of the mounting arm, and each mounting arm is rotationally connected with the first end of the second connecting rod through a second rotating shaft near the other bottom angle of the mounting arm.
In order to realize accurate control of mowing height, the machine body is further provided with a second angle sensor for detecting the rotation angle of the rocker, the second angle sensor and the driving piece are both connected with a controller, and the controller correspondingly controls the driving piece according to the detection result of the second angle sensor.
Preferably, the driving member is a cylinder with a piston rod, namely the telescopic rod; or the driving piece is a driving motor.
Compared with the prior art, the utility model has the advantages that: the controller can correspondingly control the lifting assembly to perform corresponding lifting or descending actions according to the gear of the adjusting piece by enabling the adjusting piece to at least have the lowest gear and the adjusting gear, so that the mowing height of the cutting assembly can be any one of the lowest mowing height or the mowing height higher than the lowest mowing height. Therefore, the mowing height of the mower can be set at will and can be accurately controlled; in addition, the situation that the cutting assembly is damaged due to the fact that the cutting assembly contacts the ground can be effectively avoided through control of the lowest mowing height, and the situation that the walking of the mower is influenced due to the fact that the position of the cutting assembly is too low can also be avoided.
Drawings
FIG. 1 is a schematic view of a mower at a minimum mowing height according to a first embodiment of the present utility model;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of a mower at a maximum mowing height according to a first embodiment of the present utility model;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a control block diagram of a mower according to a first embodiment of the present utility model;
Fig. 6 is a control block diagram of a mower according to a second embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Embodiment one:
As shown in fig. 1 to 5, is a preferred embodiment of the present utility model. The mower in the embodiment comprises a machine body 1, a cutting assembly 2, a lifting assembly and a control module. The cutting assembly 2 is connected to the machine body 1 for cutting grass, in this embodiment, the cutting assembly 2 includes a grass cutting chassis and other structures, and the cutting assembly 2 adopts the prior art, and will not be described in detail herein; the lifting assembly is connected to the machine body 1 and is in driving connection with the cutting assembly 2, and is used for enabling the cutting assembly 2 to lift up and down relative to the machine body 1 so as to change the mowing height of the cutting assembly 2; the control module is used for controlling the lifting assembly to drive the cutting assembly 2 to ascend or descend.
As shown in fig. 1 and 3, the control module includes an adjusting member 41 and a controller 42, the adjusting member 41 having at least two gear positions as follows: lowest gear and adjusting gear, adjusting piece 41 is in the state of lowest gear, and the mowing height corresponding to cutting assembly 2 is the lowest mowing height; the adjusting piece 41 is in an adjusting state, and the mowing height corresponding to the cutting assembly 2 is higher than the lowest mowing height; the controller 42 is electrically connected to the adjustment member 41 and the lifting assembly, the controller 42 being configured to: the lifting assembly is correspondingly controlled to ascend or descend according to the gear of the adjusting piece 41, so that the mowing height of the cutting assembly 2 reaches the lowest mowing height or the mowing height higher than the lowest mowing height. The adjusting member 41 in this embodiment includes a knob switch 411 and a potentiometer 412, the gear of the adjusting member 41 is disposed on the knob switch 411, the knob switch 411 is electrically connected with the potentiometer 412, and the adjusting member 41 is electrically connected with the controller 42 through the potentiometer 412. In the embodiment, the mowing height ranges from 10mm to 200mm, the number of gears is 12, the mowing height difference between two adjacent gears is the same, the 1 st gear is the lowest gear, the 12 th gear is the highest gear, the 2 nd and 3 … th gears are the adjusting gears, and the mowing height in the highest gear is the highest mowing height.
The knob switch 411 is provided with a display mark for displaying mowing height of each gear, and the display mark is mowing height or gear characters; or the machine body 1 is provided with a display screen 5 for displaying mowing heights of all gears, and the display screen 5 is connected with a controller 42. As shown in fig. 1, in this embodiment, a display screen 5 is disposed on the machine body 1, and the display screen 5 is disposed on the front side of the machine body 1 and is a liquid crystal display screen.
The lifting assembly comprises a driving piece 31, a telescopic rod 32, a rocker 33, a first connecting rod 35, two mounting arms 36 and two second connecting rods 37, wherein the telescopic rod 32 is in driving connection with the driving piece 31, and the telescopic rod 32 extends along the front-back direction of the machine body 1 and can stretch along the front-back direction of the machine body 1 under the driving of the driving piece 31; the driving member 31 in this embodiment is a cylinder having a piston rod, i.e., the above-described telescopic rod 32; or the driving member 31 is a driving motor; the rocker 33 extends along the left-right direction of the machine body 1, and two ends of the rocker 33 are respectively restrained on the machine body 1 through end covers 34; the first end of the first connecting rod 35 is sleeved at the center of the rocker 33, and the second end of the first connecting rod 35 is rotationally connected with the telescopic rod 32; the two mounting arms 36 are sleeved on the rocker 33, each mounting arm 36 is respectively positioned at two ends of the rocker 33, and each mounting arm 36 is also in rotary connection with the cutting assembly 2; the first end of each second link 37 is rotatably connected to the corresponding mounting arm 36, and the second end of each second link 37 is rotatably connected to the machine body 1. As shown in fig. 1 and 3, each of the mounting arms 36 in the present embodiment has an isosceles triangle shape, each of the mounting arms 36 is rotatably connected to the cutting assembly 2 adjacent to its top corner by a first rotation shaft 30a, each of the mounting arms 36 is sleeved on the rocker 33 adjacent to one of the bottom corners, and each of the mounting arms 36 is rotatably connected to the first end of the second link 37 adjacent to the other bottom corner thereof by a second rotation shaft 30 b.
The machine body 1 is also provided with a second angle sensor 6 for detecting the rotation angle of the rocker 33, the second angle sensor 6 and the driving piece 31 are connected with a controller 42, and the controller 42 correspondingly controls the driving piece 31 according to the detection result of the second angle sensor 6. The mower body 1 further comprises a power supply 7 electrically connected to the controller 42.
The working process of the mower in the embodiment is as follows: by manually rotating the knob switch 411 to a corresponding gear, the potentiometer 412 is driven to rotate by the rotary switch 411, different voltage values are output by the potentiometer 412 according to different gears, the controller 42 compares the current voltage value with the voltage value before the change, and if the current voltage value is larger than the voltage value before the change, the controller 42 controls the driving piece 31 to act so as to drive the telescopic rod 32 to extend and drive the cutting assembly 2 to rise; otherwise, the telescopic rod 32 is driven to be shortened, and the cutting assembly 2 is driven to descend; and during the ascending or descending process of the cutting assembly 2, the second angle sensor 6 detects the rotation angle of the rocker 33, and when the rotation angle reaches a set angle (the cutting assembly 2 is at a set height under the set angle, the voltage of a certain component in the action process of the ascending and descending assembly can be detected to keep the same as the voltage of the potentiometer 412), the driving piece 31 is controlled to stop acting, so that the cutting assembly 2 is kept at the mowing height at the current gear.
Embodiment two:
As shown in fig. 6, unlike the embodiment, the adjusting member 41 in the present embodiment includes a knob switch 411 and a first angle sensor 413, the gear of the adjusting member 41 is disposed on the knob switch 411, the first knob switch 411 is electrically connected with the first angle sensor 413, and the adjusting member 41 is electrically connected with the controller 42 through the first angle sensor 413.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (8)
1. A mower, comprising:
A machine body (1);
The cutting assembly (2) is connected to the machine body (1) and is used for cutting grass;
The lifting assembly is connected to the machine body (1) and is in driving connection with the cutting assembly (2) and is used for enabling the cutting assembly (2) to lift up and down relative to the machine body (1) so as to change the mowing height of the cutting assembly (2); and
The control module is used for controlling the lifting assembly to drive the cutting assembly (2) to ascend or descend;
Characterized in that the control module comprises:
An adjusting member (41) having at least two gear positions: the cutting assembly (2) is provided with a lowest gear and an adjusting gear, wherein the adjusting piece (41) is in the lowest gear state, and the mowing height corresponding to the cutting assembly is the lowest mowing height; the adjusting piece (41) is in an adjusting gear state, and the mowing height corresponding to the cutting assembly (2) is higher than the lowest mowing height;
A controller (42) electrically connected to the adjustment member (41) and the lifting assembly, the controller (42) being configured to: the lifting assembly is correspondingly controlled to correspondingly lift or descend according to the gear of the adjusting piece (41), so that the mowing height of the cutting assembly (2) reaches the lowest mowing height or is higher than the mowing height of the lowest mowing height.
2. The mower of claim 1, wherein: the adjusting piece (41) comprises a knob switch (411) and a potentiometer (412), the gear of the adjusting piece (41) is arranged on the knob switch (411), the knob switch (411) is electrically connected with the potentiometer (412), and the adjusting piece (41) is electrically connected with the controller (42) through the potentiometer (412).
3. The mower of claim 1, wherein: the adjusting piece (41) comprises a knob switch (411) and a first angle sensor (413), the gear of the adjusting piece (41) is arranged on the knob switch (411), the first knob switch (411) is electrically connected with the first angle sensor (413), and the adjusting piece (41) is electrically connected with the controller (42) through the first angle sensor (413).
4. A lawnmower as claimed in claim 2 or claim 3 wherein: a display mark for displaying mowing heights of all gears is arranged on the knob switch (411); or (b)
The machine body (1) is provided with a display screen (5) for displaying mowing heights of all gears, and the display screen (5) is connected with a controller (42).
5. The mower of claim 4, wherein: the lifting assembly includes:
A driving member (31);
The telescopic rod (32) is in driving connection with the driving piece (31), and the telescopic rod (32) extends along the front-back direction of the machine body (1) and can stretch along the front-back direction of the machine body (1) under the driving of the driving piece (31);
The rocking bars (33) extend along the left-right direction of the machine body (1), and two ends of each rocking bar (33) are respectively restrained on the machine body (1) through end covers (34);
The first end of the first connecting rod (35) is sleeved at the center of the rocker (33), and the second end of the first connecting rod (35) is rotationally connected with the telescopic rod (32);
The two mounting arms (36) are sleeved on the rocker (33), each mounting arm (36) is respectively positioned at two ends of the rocker (33), and each mounting arm (36) is also rotationally connected with the cutting assembly (2); and
And the first end of each second connecting rod (37) is rotationally connected with the corresponding mounting arm (36), and the second end of each second connecting rod (37) is rotationally connected with the machine body (1).
6. The mower of claim 5, wherein: each mounting arm (36) is in the shape of an isosceles triangle, each mounting arm (36) is rotationally connected with the cutting assembly (2) adjacent to the top corner of the mounting arm through a first rotating shaft (30 a), each mounting arm (36) is sleeved on the rocker (33) adjacent to one bottom corner of the mounting arm, and each mounting arm (36) is rotationally connected with the first end of the second connecting rod (37) adjacent to the other bottom corner of the mounting arm through a second rotating shaft (30 b).
7. The mower of claim 6, wherein: the machine body (1) is also provided with a second angle sensor (6) for detecting the rotation angle of the rocker (33), the second angle sensor (6) and the driving piece (31) are both connected with a controller (42), and the controller (42) correspondingly controls the driving piece (31) according to the detection result of the second angle sensor (6).
8. The mower of claim 7, wherein: the driving member (31) is a cylinder with a piston rod, namely the telescopic rod (32); or the driving piece (31) is a driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322667396.2U CN220935690U (en) | 2023-09-28 | 2023-09-28 | Mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322667396.2U CN220935690U (en) | 2023-09-28 | 2023-09-28 | Mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220935690U true CN220935690U (en) | 2024-05-14 |
Family
ID=91020137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322667396.2U Active CN220935690U (en) | 2023-09-28 | 2023-09-28 | Mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220935690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118414984A (en) * | 2024-07-04 | 2024-08-02 | 山东曼大智能科技有限公司 | Mowing robot |
-
2023
- 2023-09-28 CN CN202322667396.2U patent/CN220935690U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118414984A (en) * | 2024-07-04 | 2024-08-02 | 山东曼大智能科技有限公司 | Mowing robot |
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