CN211020047U - Grass pressing assembly and grass mower comprising same - Google Patents
Grass pressing assembly and grass mower comprising same Download PDFInfo
- Publication number
- CN211020047U CN211020047U CN201921545742.7U CN201921545742U CN211020047U CN 211020047 U CN211020047 U CN 211020047U CN 201921545742 U CN201921545742 U CN 201921545742U CN 211020047 U CN211020047 U CN 211020047U
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- mower
- grass pressing
- support arm
- pressing assembly
- mounting shaft
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Abstract
The utility model discloses a mower, include: a blade assembly for performing a cutting function; a chassis formed with an accommodating space for accommodating at least a part of the blade assembly; the motor is used for driving the blade component to rotate by taking the rotating axis as a shaft; the battery pack is used for providing a power source for the motor; the grass pressing assembly comprises a roller, wherein the roller has a preset weight so that the roller always applies pressure to the ground; the mower comprises an installation shaft, and the grass pressing assembly is detachably connected to the installation shaft so as to rotate around the installation shaft; the grass pressing component also comprises: the connecting part is rotationally connected with the mounting shaft; and a support part connecting the drum and the connection part. The utility model discloses can provide a commonality is better, install more convenient grass pressing assembly and including this grass pressing assembly's lawn mower.
Description
Technical Field
The utility model relates to an electric tool, concretely relates to lawn mower.
Background
Mowing is the most basic operation of lawn trimming, and a simple and efficient mowing machine is required to be used, so that the mowing task is finished with guaranteed quality and quantity. There are grass pressing assemblies currently on the market that are connected to a mower for further compacting the lawn.
According to the grass pressing principle, the grass pressing assembly can be divided into a dead weight type grass pressing assembly and an external force type grass pressing assembly, the dead weight type grass pressing assembly presses grass by utilizing self gravity, and the structure is simple. However, most of the prior dead weight grass pressing assemblies are only matched with a specific mower, and are complex to install and poor in universality.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model aims to provide a better, the installation more convenient grass pressing assembly of commonality and including this grass pressing assembly's lawn mower.
In order to achieve the above object, the utility model adopts the following technical scheme:
a lawn mower, comprising: a blade assembly for performing a cutting function; a chassis formed with an accommodating space for accommodating at least a part of the blade assembly; the motor is used for driving the blade component to rotate by taking the rotating axis as a shaft; the battery pack is used for providing a power source for the motor; the grass pressing assembly comprises a roller, wherein the roller has a preset weight so that the roller always applies pressure to the ground; the mower comprises an installation shaft, and the grass pressing assembly is detachably connected to the installation shaft so as to rotate around the installation shaft; the grass pressing component also comprises: the connecting part is rotationally connected with the mounting shaft; and a support part connecting the drum and the connection part.
Optionally, the connecting portion and the mounting shaft constitute a detachable connection.
Optionally, the support portion comprises a first support arm and a second support arm, the drum having a length direction, the first support arm and the second support arm extending at least partially in a direction perpendicular to the length direction.
Optionally, the first support arm connects one end of the drum and the connecting portion, and the second support arm connects the other end of the drum and the connecting portion.
Optionally, the support portion further comprises a third support arm connecting the first support arm and the second support arm.
Optionally, the supporting portion further comprises a third supporting arm, and the third supporting arm is connected with two ends of the roller; the first supporting arm is connected with the third supporting arm and the connecting part, and the second supporting arm is connected with the third supporting arm and the connecting part.
Optionally, the length direction of the drum is parallel to the axis of the mounting shaft.
Optionally, the drum comprises: a central shaft; a cylindrical portion which rotates around a central shaft and is substantially hollow cylindrical; the central shaft and the cylindrical portion are both made of metal.
Optionally, the distance from the axis of the central shaft to the axis of the mounting shaft is greater than the maximum distance from the axis of the mounting shaft to the ground.
Optionally, the drum has a bisecting plane perpendicular to the length direction, the drum being symmetrical about the bisecting plane; the support part is provided with a symmetrical plane which is symmetrical relative to the symmetrical plane and is parallel to or coincided with the bisection plane; the connecting part is in a hook shape.
A grass pressing assembly for connection to a lawn mower, the grass pressing assembly comprising: a drum having a preset weight so that the drum always applies pressure to the ground; the mower comprises an installation shaft, and the grass pressing assembly is detachably connected to the installation shaft so as to rotate around the installation shaft; the grass pressing component also comprises: the connecting part is rotationally connected with the mounting shaft; and a support part connecting the drum and the connection part.
The utility model discloses an useful part lies in: the utility model provides a lawn mower's grass pressing component is because the installation axle of lug connection on the lawn mower to make the grass pressing component mounting convenient more and the commonality strong.
Drawings
Fig. 1 is a schematic view of a lawnmower as a first embodiment;
FIG. 2 is a perspective view of a grass pressing assembly of the mower of FIG. 1;
FIG. 3 is a plan view of the grass pressing assembly of FIG. 2;
FIG. 4 is a cross-sectional view of the grass pressing assembly of FIG. 2;
fig. 5 is a schematic view of a grass-mowing assembly as a second embodiment.
Detailed Description
Fig. 1 is a schematic view of a mower 100 according to a first embodiment of the present invention, and according to an operation mode of a user, the mower 100 of the present invention may be either a push mower or a riding mower. The present embodiment is described by taking a motor-driven walk-behind mower as an example, and all "assemblies" in the present invention refer to a combination including at least one component, which performs a specific function by interacting or cooperating with each other. For convenience of explanation, the technical solution of the present invention is set in the front-back and up-down directions as shown in fig. 1.
As shown in fig. 1, mower 100 comprises blade assembly 11, chassis 12. Blade assembly 11 is used to perform the cutting function of mower 100; the chassis 12 is formed with an accommodating space for accommodating at least a part of the blade assembly 11, and in the present embodiment, the blade assemblies 11 are all located inside the accommodating space. The lawn mower 100 has a direction of travel 101 when traveling in a straight line on the ground, in this embodiment, the direction of travel 101 is parallel to the fore-aft direction.
As shown in fig. 2 to 4, the grass cutting assembly 200 is attached to the mower 100, and in particular, the grass cutting assembly 200 is detachably attached to the rear end of the mower 100. The grass pressing assembly 200 is used to compact grass as an accessory for selective assembly by a user according to specific needs. The lawn mower 100 comprises a mounting shaft 13, and the grass pressing assembly 200 is rotatably connected to the mounting shaft 13 so that the grass pressing assembly 200 can rotate around the mounting shaft 13, wherein the mounting shaft 13 is perpendicular to the traveling direction in the embodiment. The mounting shaft 13 is herein understood to mean that the mower 100 itself has one axle, which may be an axle for mounting wheels, or other axles. That is, the grass pressing assembly 200 is detachably connected to the mounting shaft 13, and there is no need to add another mounting structure for mounting the pressing groove assembly to the mower 100, so that the grass pressing assembly has the advantage of convenient mounting. To the lawn mower 100 of arbitrary model, as long as it has ready-made axis body, the utility model provides a press grass subassembly 200 all can install to this lawn mower 100 on, have the strong advantage of suitability.
The grass pressing assembly 200 includes a drum 21, a connecting portion 22, and a supporting portion 23. Wherein the roller 21 has a preset weight such that the roller 21 always exerts a pressure on the ground which is sufficiently high to enable the lawn to be compacted. That is, the grass pressing assembly 200 of the present invention applies pressure to the lawn mainly by the self weight of the roller 21. The connecting portion 22 is rotationally connected to the mounting shaft 13, i.e., the connecting portion 22 is able to rotate about the mounting shaft 13. In this embodiment, the connecting portion 22 is substantially in the shape of a hook having an opening in the circumferential direction, and after the connecting portion 22 is hooked to the mounting shaft 13, the connecting portion 22 is circumferentially closed by a fastener such as a screw or a latch so that the mounting shaft 13 cannot be radially separated from the connecting portion 22.
The support portion 23 connects the drum 21 and the connection portion 22. The support portion 23 and the connecting portion 21 may be integrally molded or may be separately molded. The supporting portion 23 includes a first supporting arm 231 and a second supporting arm 232, the drum 21 has a length direction, and the first supporting arm 231 and the second supporting arm 232 extend at least partially in a direction perpendicular to the length direction. The length of the drum 21 is parallel to the axis 131 of the mounting shaft 13.
In this embodiment, the first support arm 231 connects one end of the drum 21 and the connection portion 22, and the second support arm 232 connects the other end of the drum 21 and the connection portion 22. The support portion 23 further includes a third support arm 233, and the third support arm 233 fixedly connects the first support arm 231 and the second support arm 232 to enhance the overall strength and rigidity of the support portion 23. The third support arm 233 extends in a direction parallel to the mounting shaft 13, and both ends of the third support arm 233 are connected to the first support arm 231 and the second support arm 232, respectively.
The roller 21 is provided with a median plane 11 'vertical to the length direction, and the roller 21 is symmetrical about the median plane 11'; the support 23 has a plane of symmetry 12 ', the support 23 being symmetrical with respect to the plane of symmetry 12', the plane of symmetry 12 'being parallel to or coinciding with the median plane 11'. When the connecting portion 22 is mounted to the mounting shaft 13 in an intermediate position, the plane of symmetry 12 'coincides with the median plane 11'. Of course, it will be appreciated that the connecting portion 22 may be mounted at any position in the axial direction of the mounting shaft 13.
The drum 21 includes a central shaft 211 and a drum portion 212. The central shaft 211 extends along the length direction of the drum 21, the cylinder part 212 rotates around the central shaft 211, and the cylinder part 212 is basically hollow and cylindrical; the center shaft 211 and the barrel portion 212 are made of metal. The center shaft 211 and the support 23 are connected together by screws, and the center shaft 211 and the screws are screwed together, that is, the center shaft 211 and the support 23 are fixedly connected, and the cylinder 212 is rotatable with respect to the center shaft 211. As an alternative embodiment, the screw is replaced by a bolt fixedly connected with the support part, so that the central shaft can rotate around the bolt; alternatively, the screw is in rotational connection with a central shaft, which is rotatable relative to the screw.
The grass pressing assembly 200 is connected to the mounting shaft 13, and the mounting shaft 13 should be regarded as the mower 100 itself having one axle, which may be an axle for mounting wheels, or other axles. In this embodiment, the mower 100 includes an adjustment assembly (not shown) for adjusting the height of the chassis 12 from the ground, and the grass pressing assembly 200 is connected to an axle on the adjustment assembly. The adjusting assembly in this embodiment is mainly composed of a link mechanism. When the user adjusts the height of the chassis 12 from the ground, the height of the adjustment assembly from the ground also changes. That is, the height of the mounting shaft 13 from the ground is variable. The utility model discloses in, installation axle 13 is on a parallel with ground, and the distance d of the axis 211a of the axis 131 of installation axle 13 to the center pin 211 of cylinder 21 is long enough to make no matter what height is in apart from ground to installation axle 13, and cylinder 21 still contacts ground and is supported by ground. That is, the distance d from the axis 211a of the central shaft 211 to the axis 131 of the mounting shaft 13 is greater than the maximum distance from the axis 131 of the mounting shaft 13 to the ground.
Fig. 5 is a schematic view of a grass pressing assembly 200 'according to a second embodiment of the present invention, which is different from the first embodiment only in the specific structure of the supporting portion 23'. Only the support 23' will be described below: the support portion 23 'includes a first support arm 231', a second support arm 232 ', and a third support arm 233'. The third support arm 233 'is connected to both ends of the drum 21', and specifically, both ends of the third support arm 233 'are connected to both ends of the drum 21', respectively; the first support arm 231 'connects the third support arm 233' and the connection portion 22 ', and the second support arm 232' connects the third support arm 233 'and the connection portion 22'. The first support arm 231 'and the second support arm 232' are both fixedly connected, including welded connection, screw connection, and the like. Both ends of the third support arm 233 ' extend substantially in a direction perpendicular to the mounting shaft 13 ', a middle portion of the third support arm 233 ' extends substantially in a direction parallel to the mounting shaft 13 ', and the first support arm 231 ' and the second support arm 232 ' extend in a direction perpendicular to the mounting shaft 13 '.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. A lawn mower, comprising:
a blade assembly for performing a cutting function;
a chassis formed with an accommodating space accommodating at least a part of the blade assembly;
the motor is used for driving the blade assembly to rotate by taking the rotating axis as a shaft;
a battery pack for providing a source of electrical power to the motor;
the grass pressing assembly comprises a roller, wherein the roller has preset weight so that the roller always applies pressure to the ground;
the method is characterized in that:
the mower comprises a mounting shaft, and the grass pressing assembly is detachably connected to the mounting shaft so as to enable the grass pressing assembly to rotate around the mounting shaft;
the grass pressing assembly further comprises:
the connecting part is rotationally connected with the mounting shaft;
and a support part connecting the drum and the connection part.
2. The mower of claim 1, wherein:
the support portion includes a first support arm and a second support arm, the drum has a length direction, and the first support arm and the second support arm extend at least partially in a direction perpendicular to the length direction.
3. The mower of claim 2, wherein:
the first supporting arm is connected with one end of the roller and the connecting part, and the second supporting arm is connected with the other end of the roller and the connecting part.
4. A lawnmower as claimed in claim 3, wherein:
the support portion further includes a third support arm connected to the first support arm and the second support arm.
5. The mower of claim 2, wherein:
the supporting part also comprises a third supporting arm which is connected with two ends of the roller; the first support arm is connected the third support arm with the connecting portion, the second support arm is connected the third support arm with the connecting portion.
6. The mower of claim 2, wherein:
the length direction of the drum is parallel to the axis of the mounting shaft.
7. The mower of claim 1, wherein:
the drum includes:
a central shaft;
a barrel portion rotating about the central axis, the barrel portion being substantially hollow cylindrical;
the central shaft and the barrel portion are both made of metal.
8. The mower of claim 7, wherein:
the distance from the axis of the central shaft to the axis of the mounting shaft is greater than the maximum distance from the axis of the mounting shaft to the ground.
9. The mower of claim 2, wherein:
the roller is provided with a median plane perpendicular to the length direction, and the roller is symmetrical about the median plane; the supporting part is provided with a symmetrical plane, the supporting part is symmetrical relative to the symmetrical plane, and the symmetrical plane is parallel to or coincided with the bisection plane; the connecting part is in a hook shape.
10. A grass pressing assembly connected to a lawn mower, the grass pressing assembly comprising:
a drum having a preset weight so that the drum always applies pressure to the ground;
the method is characterized in that:
the mower comprises a mounting shaft, and the grass pressing assembly is detachably connected to the mounting shaft so as to enable the grass pressing assembly to rotate around the mounting shaft;
the grass pressing assembly further comprises:
the connecting part is rotationally connected with the mounting shaft;
and a support part connecting the drum and the connection part.
Priority Applications (20)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545742.7U CN211020047U (en) | 2019-09-17 | 2019-09-17 | Grass pressing assembly and grass mower comprising same |
| EP19866834.5A EP3821692A4 (en) | 2018-09-27 | 2019-09-25 | Lawnmower |
| CN201980062843.5A CN113226012B (en) | 2018-09-27 | 2019-09-25 | Grass cutter |
| AU2019346954A AU2019346954B2 (en) | 2018-09-27 | 2019-09-25 | Lawn mower |
| PCT/CN2019/107650 WO2020063609A1 (en) | 2018-09-27 | 2019-09-25 | Lawnmower |
| CA3114468A CA3114468C (en) | 2018-09-27 | 2019-09-25 | Lawn mower |
| US17/164,479 US11122737B2 (en) | 2018-09-27 | 2021-02-01 | Blade assembly for a lawn mower |
| US17/236,239 US11246260B2 (en) | 2018-09-27 | 2021-04-21 | Lawn mower with blade and mounting assembly |
| US17/573,153 US20220124976A1 (en) | 2018-09-27 | 2022-01-11 | Lawn mower |
| US17/825,815 US11917939B2 (en) | 2018-09-27 | 2022-05-26 | Blade assembly for a lawn mower |
| US17/863,038 US11937545B2 (en) | 2018-09-27 | 2022-07-12 | Blade assembly for a lawn mower |
| US29/865,322 USD995568S1 (en) | 2018-09-27 | 2022-07-19 | Mower blade assembly |
| US29/865,320 USD996470S1 (en) | 2018-09-27 | 2022-07-19 | Mower blade assembly |
| US29/865,324 USD996471S1 (en) | 2018-09-27 | 2022-07-19 | Mower blade assembly |
| US29/865,323 USD997998S1 (en) | 2018-09-27 | 2022-07-19 | Mower blade |
| US29/865,321 USD995567S1 (en) | 2018-09-27 | 2022-07-19 | Mower blade assembly |
| US29/865,319 USD987691S1 (en) | 2018-09-27 | 2022-07-19 | Mower blade assembly |
| US29/865,427 USD995569S1 (en) | 2019-04-18 | 2022-07-25 | Mower blade assembly |
| US18/076,847 US20230101935A1 (en) | 2018-09-27 | 2022-12-07 | Blade assembly for a lawn mower |
| US18/163,609 US20230172102A1 (en) | 2018-09-27 | 2023-02-02 | Blade assembly for a lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545742.7U CN211020047U (en) | 2019-09-17 | 2019-09-17 | Grass pressing assembly and grass mower comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211020047U true CN211020047U (en) | 2020-07-17 |
Family
ID=71561645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921545742.7U Active CN211020047U (en) | 2018-09-27 | 2019-09-17 | Grass pressing assembly and grass mower comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211020047U (en) |
-
2019
- 2019-09-17 CN CN201921545742.7U patent/CN211020047U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: No. 529, Jiangjun Avenue, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |