CN219741249U - Lawnmower cutterhead suitable for rugged lawn - Google Patents

Abstract

The utility model relates to a grass mower cutter suitable for an uneven lawn, which comprises a cutter fixing plate and a cutting part, wherein the cutting part comprises a cutting knife and a first driving part for driving the cutting knife to work, the first driving part and the cutting knife are both connected with the cutter fixing plate, the cutter fixing plate comprises a main plate and a support plate, the main plate and the support plate are both provided with the cutting part, the main plate and the support plate are rotationally connected, the main plate is also provided with a second driving part for driving the support plate to rotate on the main plate, and two ends of the second driving part are respectively connected with the main plate and the support plate. This scheme can make the route of lawnmower cutting part laminate little pothole or little soil package on the lawn more through the angle of adjustment extension board on the mainboard, accomplishes the pruning of vegetation on the little pothole or the little soil package of lawn through the cutting part on the extension board. The grass mower using the cutter disc of the scheme can trim the lawn vegetation with small pits or soil bags uniformly in height, and improves the operation efficiency.

Description

Lawnmower cutterhead suitable for rugged lawn

Technical Field

The utility model relates to the technical field of garden equipment tools, in particular to a grass mower cutter applicable to an uneven lawn.

Background

The lawn is widely applied to scenes such as landscape landscaping, community greening and the like. The vegetation growth speed on the lawn is higher, and the vegetation growth speed is different, so that the problem that the heights of the lawn are different at all positions can occur when the vegetation grows. Therefore, the vegetation on the lawn needs to be trimmed and maintained for a period of time, so that the vegetation growth length of the lawn is prevented from being overlong, and the appearance is prevented. At present, a main mode of pruning lawn vegetation is to adopt a lawnmower to prune and maintain the lawn, in order to improve the working efficiency of the lawnmower, an auxiliary cutter disc is mainly added on a cutter disc of the lawnmower, and more cutter discs are arranged to prune the lawn simultaneously when the lawnmower works, so that the working efficiency of the lawnmower is improved. However, in garden landscaping or urban greening applications, lawns are generally not smooth floors that facilitate lawnmower operation, but instead are uneven floors with small pits or soil bags. When the vegetation on the lawns needs to be trimmed to a uniform height, the large-sized lawnmower is difficult to trim the rugged lawns uniformly with small pits or soil bags, and the rugged lawns need to be trimmed by workers holding scissors, so that the labor intensity of the workers is increased, and the trimming efficiency is low.

Disclosure of Invention

The utility model provides a grass mower cutter applicable to rugged lawns, which aims to solve the problem that a large grass mower is difficult to uniformly trim the rugged lawns with small pits or soil bags in the prior art.

The technical scheme adopted by the utility model is as follows: the utility model provides a lawnmower blade disc suitable for unsmooth lawn, includes cutter fixed plate and cutting part, and the cutting part includes the cutting knife and is used for driving the first drive division of cutting knife work, and first drive division and cutting knife all are connected with the cutter fixed plate, and the cutter fixed plate includes mainboard and extension board, all is equipped with cutting part on mainboard and the extension board, and mainboard and extension board rotate to be connected, still are equipped with on the mainboard and are used for driving the extension board and rotate second drive division on the mainboard, and the both ends of second drive division are connected with mainboard and extension board respectively. In addition, the main board is also provided with a connecting part which is used for being connected with the mower main body, and the connecting part is positioned at the center position of the main board. Wherein, first drive division is driving motor.

The mower cutter is connected with the main body of the mower through the connecting part, and the mower can be put into use after the mower cutter is connected with the main body of the mower. When the mower works, the mower drives the cutter head of the mower to approach the vegetation to be trimmed, and the first driving part on the cutter head of the mower drives the cutter of the mower to work, so that the cutter can finish trimming the vegetation. When small pits or small soil bags appear on the lawn, the second driving part on the cutter disc drives the support plate to rotate on the main plate, so that the movement path of the support plate is more attached to the small pits or the small soil bags, and then the cutting part on the support plate is used for trimming vegetation on the small pits or the small soil bags.

The cutter fixed plate in the grass mower cutterhead comprises a main plate and a support plate, wherein cutting parts for trimming vegetation are arranged on the main plate and the support plate and are rotationally connected with the main plate, the path of the cutting part of the grass mower can be attached to small pits or small soil bags on a lawn more by adjusting the angle of the support plate on the main plate, and trimming of vegetation on the small pits or the small soil bags on the lawn is completed through the cutting parts on the support plate. The grass mower using the cutter disc of the scheme can trim the lawn vegetation with small pits or soil bags uniformly in height, and improves the operation efficiency.

Preferably, the opposite sides of the main board are provided with support plates. The support plates are positioned on two opposite sides of the main board, so that the gravity center of the cutter head of the mower is positioned on the connecting part of the main board, and the cutter head is more stable on the main body of the mower after the cutter head is connected with the main body of the mower.

Preferably, the support plate comprises a first support plate and a second support plate, the first support plate and the second support plate are both provided with cutting parts, one end of the first support plate is rotationally connected with the main board, the other end of the first support plate is rotationally connected with the second support plate, the first support plate is provided with a third driving part for driving the second support plate to rotate on the first support plate, and the third driving part and the second driving part are identical in structure but are respectively connected with the first support plate and the second support plate at two ends of the third driving part. On the basis of setting up the first extension board that can rotate on the mainboard, set up the second extension board that can rotate on first extension board again for lawnmower blade disc can further crooked rotation, the shape of the little pothole or the little soil bag on the more laminating lawn. Similarly, a third support plate which is rotationally connected with the second support plate and a fourth driving part which drives the third support plate to rotate can be arranged on the second support plate according to actual needs.

Preferably, the second driving part comprises a mounting frame, a connecting piece and an electric telescopic rod, wherein the mounting frame is fixedly connected with the main board, the connecting piece is fixedly connected with the support plate, the shell of the electric telescopic rod is rotationally connected with the mounting frame, and the piston rod of the electric telescopic rod is rotationally connected with the connecting piece. The second driving part adopts an electric telescopic rod as a power source, the extension length of a piston rod of the electric telescopic rod is controllable, and the extension length of the piston rod in the electric telescopic rod is used for controlling the rotation angle of the support plate on the main plate.

Preferably, the cutting portions on the main board are symmetrically arranged on the main board with a center line in the length direction of the main board as a symmetry axis. The cutting parts are symmetrically arranged on the main board, so that the gravity center of the whole main board is concentrated on the central axis of the main board, and the cutter head is more stable when being arranged on the lawnmower.

Preferably, a first shaft sleeve is arranged on the side wall of the main board, a second shaft sleeve is arranged on the side wall of the support board, and when the main board is connected with the support board, a rotating shaft penetrates through the first shaft sleeve and the second shaft sleeve in a coaxial mode. The main board and the support board are connected in a rotating way through the rotating shaft and the shaft sleeve, and the connecting way is simple and convenient and is easy to produce and assemble. The first support plate and the second support plate can also be connected by adopting a rotating shaft and shaft sleeve mode.

Preferably, the cutting part further comprises a blade protection cover, the blade protection cover is fixedly connected with a cutter bar of the cutting knife, and the blade of the cutting knife is positioned in the inner cavity of the blade protection cover. The cutting part also comprises a blade protection cover, the blade of the cutting knife is positioned in the inner cavity of the blade protection cover, the blade protection cover plays a role in protecting the cutting knife, and in the advancing working process of the cutting knife, if the cutting knife encounters hard articles such as stones in lawns, the cutting knife is easy to roll and even break. After the blade protection cover is arranged, the blade protection cover can be abutted with sharp articles such as stones, so that the blade protection cover can be prevented from colliding with the blade, and the blade is protected. Meanwhile, the potential safety hazard caused by the fact that the blade flies out after the fault occurs can be prevented.

Preferably, the lawn mower further comprises a supporting part, the supporting part comprises a supporting frame and a sliding wheel, the supporting frame is fixedly connected with the main board, the sliding wheel is rotationally connected with the supporting frame, and when the lawn mower cutterhead works, the sliding wheel is used for abutting against a lawn to reduce the load of the lawn mower. The sliding wheel is a universal wheel. The four supporting parts are respectively positioned at four corners of the main board. The supporting part for supporting the cutter head is arranged, so that the load pressure of the cutter bar of the mower can be reduced, and the working stability of the mower is improved. The supporting rod is provided with the sliding wheels which are abutted with the lawn, when the lawnmower moves, the sliding wheels slide on the lawn, so that the resistance of the lawn to the supporting frame is reduced. The sliding wheel is a universal wheel, so that the sliding wheel can slide on the lawn conveniently. Four supporting parts are located the four corners of mainboard respectively for supporting part distributes more evenly on the mainboard to the holding power of mainboard, can provide more stable supporting role to the mainboard.

Compared with the prior art, the utility model has the beneficial effects that: the grass mower part cutter head in the scheme can rotate to enable the grass mower cutter head to trim the unified height of lawn vegetation with small pits or soil bags, and the operation efficiency is improved. And can set up a plurality of extension boards according to actual need for lawnmower blade disc can further bend the rotation, more can laminate the shape of little pothole or little soil package on the lawn, and is better to the pruning effect on lawn. The supporting part for supporting the cutter disc is arranged on the cutter disc, so that the load pressure of the cutter bar of the lawnmower is reduced, and the working stability of the lawnmower is improved.

Drawings

FIG. 1 is a schematic view of a mower deck embodiment 1 of the present utility model adapted for use with a rugged lawn;

FIG. 2 is a schematic view of a mower deck according to the present utility model in which the mower deck is adapted for use with a rugged lawn;

FIG. 3 is an enlarged view of portion A of FIG. 2 of a lawnmower deck suitable for use with an uneven lawn in accordance with the present utility model;

FIG. 4 is a schematic view of a mower deck according to an embodiment 3 of the present utility model adapted for use with a rugged lawn;

fig. 5 is an enlarged view of section B of fig. 4 of a lawnmower cartridge suitable for use with an uneven lawn of the present utility model.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for better illustration of the present embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product size; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

An embodiment 1 of a lawnmower cutterhead suitable for an uneven lawn is shown in fig. 1, including cutter fixed plate and cutting part 1, cutting part 1 includes cutting knife 101 and is used for driving the first drive portion 102 of cutting knife 101 work, first drive portion 102 and cutting knife 101 all are connected with the cutter fixed plate, the cutter fixed plate includes mainboard 2 and extension board 3, all be equipped with cutting part 1 on mainboard 2 and the extension board 3, mainboard 2 and extension board 3 rotate to be connected, still be equipped with on the mainboard 2 and be used for driving extension board 3 to rotate second drive portion 4 on mainboard 2, the both ends of second drive portion 4 are connected with mainboard 2 and extension board 3 respectively. In addition, the main board 2 is further provided with a connecting part 5 for connecting with the mower body, and the connecting part 5 is positioned at the center position of the main board 2. The first driving part is a motor.

The working principle or working process of the embodiment: the mower cutter is connected with the main body of the mower through the connecting part 5, and then the mower can be put into use. When the mower works, the mower drives the mower cutter to approach the vegetation to be trimmed, and the first driving part 102 on the mower cutter drives the mower cutter 101 to work, so that the cutter 101 works to trim the vegetation. When small pits or small soil bags appear on the lawn, the second driving part 4 on the cutter disc drives the support plate 3 to rotate on the main plate 2, so that the movement path of the support plate 3 is more attached to the small pits or the small soil bags, and then the cutting part 1 on the support plate 3 is used for trimming vegetation on the small pits or the small soil bags.

The beneficial effects of this embodiment are: the cutter fixed plate in this scheme lawnmower blade disc includes mainboard 2 and extension board 3, all is provided with the cutting part 1 that is used for pruning the vegetation and extension board 3 on mainboard 2 and extension board 3 and mainboard 2 rotate to be connected, can make the path of lawnmower cutting part 1 laminate the little pothole or the little soil package on the lawn more through the angle of adjustment extension board 3 on mainboard 2, accomplish the pruning of vegetation on the little pothole or the little soil package on the lawn through cutting part 1 on the extension board 3. The grass mower using the cutter disc of the scheme can trim the lawn vegetation with small pits or soil bags uniformly in height, and improves the operation efficiency.

Example 2

Example 2 of a lawnmower disc suitable for use in an uneven lawn, as shown in fig. 2-3, the construction of the lawnmower disc is further limited on the basis of example 1.

Specifically, the opposite sides on the main board 2 are provided with support boards 3. Two cutting parts 1 are arranged on the main board 2, and the two cutting parts 1 are symmetrically arranged on the main board 2 by taking the central line of the length direction of the main board 2 as a symmetrical axis.

Specifically, a first shaft sleeve 201 is arranged on the side wall of the main board 2, a second shaft sleeve 303 is arranged on the side wall of the support board 3, when the main board 2 and the support board 3 are connected, the first shaft sleeve 201 and the second shaft sleeve 303 are coaxial, and the rotating shaft 6 passes through the first shaft sleeve 201 and the second shaft sleeve 303.

Specifically, the second driving part 4 includes a mounting frame 401, a connecting piece 402 and an electric telescopic rod 403, the mounting frame 401 is fixedly connected with the main board 2, the connecting piece 402 is fixedly connected with the support board 3, the housing of the electric telescopic rod 403 is rotationally connected with the mounting frame 401, and the piston rod of the electric telescopic rod 403 is rotationally connected with the connecting piece 402.

Specifically, the cutting part 1 further comprises a blade protection cover 7, the blade protection cover 7 is fixedly connected with a cutter bar of the cutting knife 101, and the blade of the cutting knife 101 is located in an inner cavity of the blade protection cover 7.

Specifically, still include supporting part 8, supporting part 8 includes support frame 801 and movable pulley 802, support frame 801 and mainboard 2 fixed connection, movable pulley 802 and support frame 801 rotate to be connected, and when lawnmower blade disc work, movable pulley 802 is used for the butt lawn to reduce lawnmower's load. The pulley 802 is a universal wheel. The four support parts 8 are respectively positioned at four corners of the main board 2.

The beneficial effects of this embodiment are: the support plates 3 are located on opposite sides of the main board 2, so that the center of gravity of the mower cutter is located on the connecting portion 5 of the main board 2, and the cutter is more stable on the mower body after the cutter is connected with the mower body. The cutting parts 1 are symmetrically arranged on the main board 2, so that the gravity center of the whole cutterhead is concentrated on the central axis of the main board 2, and the cutterhead is more stable when being arranged on the lawnmower. The main board 2 and the support board 3 are connected in a rotating way through the rotating shaft 6 and the shaft sleeve, and the connecting way is simple and convenient and is easy to produce and assemble. The second driving part 4 adopts an electric telescopic rod 403 as a power source, the extension length of a piston rod of the electric telescopic rod 403 is controllable, and the rotation angle of the support plate 3 on the main plate 2 is controlled by the extension length of the piston rod in the electric telescopic rod 403. The blade guard 7 protects the cutting blade 101. The supporting part 8 for supporting the cutter head is arranged, so that the load pressure of the cutter bar of the mower can be reduced, and the working stability of the mower can be improved. The sliding wheel 802 is a universal wheel, which is more convenient for the sliding wheel 802 to slide on the lawn. Four supporting parts 8 are located the four corners of mainboard 2 respectively for supporting part 8 distributes more evenly on mainboard 2 to the holding power of mainboard 2, can provide more stable supporting role to mainboard 2.

Example 3

As shown in fig. 4-5, the difference between the embodiment 3 and the embodiment 2 is that the supporting plate 3 includes a first supporting plate 301 and a second supporting plate 302, the first supporting plate 301 and the second supporting plate 302 are both provided with a cutting portion 1, one end of the first supporting plate 301 is rotatably connected with the main board 2, the other end of the first supporting plate 301 is rotatably connected with the second supporting plate 302, the first supporting plate 301 is provided with a third driving portion 9 for driving the second supporting plate 302 to rotate on the first supporting plate 301, and the third driving portion 9 has the same structure as the second driving portion 4 but two ends of the third driving portion 9 are respectively connected with the first supporting plate 301 and the second supporting plate 302.

Specifically, the first support plate 301 and the second support plate 302 are connected by means of a shaft sleeve of the rotating shaft 6. The first support plate 301 is provided with a third shaft sleeve 311, the second support plate 302 is provided with a fourth shaft sleeve 322, the third shaft sleeve 311 and the fourth shaft sleeve 321 are coaxial, and the second rotating shaft 10 is arranged to penetrate through the third shaft sleeve 311 and the fourth shaft sleeve 321.

The beneficial effects of this embodiment are: on the basis of setting up the first extension board 301 that can rotate on mainboard 2, set up again and can rotate on first extension board 301's second extension board 302 for lawnmower blade disc can further bend the rotation, more can laminate the shape of little pothole or little soil bag on the lawn.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The utility model provides a lawnmower blade disc suitable for unevenness lawn, its characterized in that, including cutter fixed plate and cutting part (1), cutting part (1) include cutting knife (101) and be used for the drive first drive portion (102) of cutting knife (101) work, first drive portion (102) with cutting knife (101) all with the cutter fixed plate is connected, the cutter fixed plate includes mainboard (2) and extension board (3), mainboard (2) with all be equipped with on extension board (3) cutting part (1), mainboard (2) with extension board (3) rotate to be connected, still be equipped with on mainboard (2) and be used for the drive extension board (3) are in rotate second drive portion (4) on mainboard (2), the both ends of second drive portion (4) respectively with mainboard (2) with extension board (3) are connected, still be equipped with on mainboard (2) and be used for with lawnmower main part connection's connecting portion (5).

2. A lawnmower cutterhead suitable for use in rugged lawns according to claim 1, characterized in that the support plates (3) are provided on opposite sides of the main plate (2).

3. The lawnmower cutterhead suitable for the rugged lawn according to claim 2, wherein the supporting plate (3) comprises a first supporting plate (301) and a second supporting plate (302), the first supporting plate (301) and the second supporting plate (302) are both provided with the cutting part (1), one end of the first supporting plate (301) is rotationally connected with the main plate (2), the other end of the first supporting plate is rotationally connected with the second supporting plate (302), a third driving part (9) for driving the second supporting plate (302) to rotate on the first supporting plate (301) is arranged on the first supporting plate (301), and the third driving part (9) and the second driving part (4) are identical in structure, but two ends of the third driving part (9) are respectively connected with the first supporting plate (301) and the second supporting plate (302).

4. A lawnmower cutterhead suitable for use on uneven lawns according to claim 3, characterized in that the second driving part (4) comprises a mounting frame (401), a connecting piece (402) and an electric telescopic rod (403), the mounting frame (401) is fixedly connected with the main board (2), the connecting piece (402) is fixedly connected with the support board (3), a housing of the electric telescopic rod (403) is rotatably connected with the mounting frame (401), and a piston rod of the electric telescopic rod (403) is rotatably connected with the connecting piece (402).

5. A lawnmower cutterhead suitable for use in rugged lawns according to claim 2, characterized in that the cutting parts (1) on the main plate (2) are symmetrically arranged on the main plate (2) with the centre line of the main plate (2) in the length direction as the symmetry axis.

6. A lawnmower cutterhead suitable for use on uneven lawns according to claim 2, characterized in that a first shaft sleeve (201) is arranged on the side wall of the main board (2), a second shaft sleeve (303) is arranged on the side wall of the support board (3), and when the main board (2) is connected with the support board (3), the first shaft sleeve (201) and the second shaft sleeve (303) are coaxial, and a rotating shaft (6) passes through the first shaft sleeve (201) and the second shaft sleeve (303).

7. A lawnmower cutterhead suitable for use on uneven lawns according to claim 1, characterized in that the cutting part (1) further comprises a blade guard (7), the blade guard (7) is fixedly connected with the cutter bar of the cutting cutter (101), and the cutting cutter (101) is located in the inner cavity of the blade guard (7).

8. A lawnmower cutterhead suitable for use with rugged lawns according to claim 1, further comprising a support (8), the support (8) comprising a support frame (801) and a pulley (802), the support frame (801) being fixedly connected to the main plate (2), the pulley (802) being rotatably connected to the support frame (801), the pulley (802) being adapted to abut against the lawns to reduce the load of the lawnmower when the lawnmower cutterhead is in operation.

9. A lawnmower cutterhead suitable for use with rugged lawns according to claim 8, wherein the sliding wheels (802) are universal wheels.

10. A lawnmower cutterhead suitable for use in rugged lawns according to claim 9, wherein the four support parts (8) are located at four corners of the main plate (2) respectively.