Adjustable grass trimmer

Abstract

The utility model relates to the technical field of grass trimmers, and discloses an adjustable grass trimmer which comprises a base and a connecting plate, universal wheels are fixedly connected to the bottom of the base, a handrail is fixedly connected to the top of the base, a supporting frame is fixedly connected to the top of the base, and a movable adjusting mechanism is arranged on the right side of the connecting plate. In the use process, the height of a movable plate is conveniently adjusted through rotation of an arranged threaded rod in cooperation with a limiting rod, so that adjustment and use of use environments with different heights are met, the angle of a grass mowing head is conveniently adjusted through movement of an arranged pull rod in cooperation with a spring, and the grass mowing efficiency is improved. According to the grass mowing device, the grass mowing requirements of different angles are met, adjustment and use are conducted, a motor works, a first connecting block is made to rotate, reciprocating swing of a second connecting block is conveniently achieved, the grass mowing head swings in a reciprocating mode, the grass mowing range is widened, and the use efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technology field of grass trimmer, specifically adjustable grass trimmer. BACKGROUND

[0002] The grass trimmer is a handheld tool for cutting weeds in lawns, gardens, pastures and the like. The use of the grass trimmer reduces the labor intensity of weeding workers and improves the weeding efficiency. The grass trimmer is clean and neatly laid. The grass head of the grass trimmer is divided into two types: blades and grass ropes.

[0003] According to the "utility model discloses a kind of adjustable cutting diameter hand-held grass trimmer in the cutting diameter adjustable hand-held grass trimmer (authorization announcement number: CN212993076U) described in patent network", "the utility model discloses a kind of adjustable cutting diameter hand-held grass trimmer in the technology field of grass trimmer, including shell cover, grass head and grass rope, grass motor is arranged on the left side of the bottom inner wall of machine box, the output end of grass motor is connected with grass head and is penetrated through the bottom of shell cover, the right side of the position of shell cover is provided with the diameter adjustment structure matched with grass rope, the utility model is provided with diameter adjustment structure, and user starts servo motor, and servo motor drives screw rod, and then drives insert block to make guide block, and then drives blade mounting frame and blade to move, can be moved to specified position after closing servo motor according to scale bar, and then grass rope is contacted with blade when rotating, and is cut off, so that the part beyond blade is cut off by blade, and the remaining length of grass rope can meet the needs of cutting diameter, without manual disassembly and adjustment, reduce the adjustment burden, improve work efficiency, also improve use safety".

[0004] For the above description, the applicant believes that the following problems exist:

[0005] In the use process of the utility model, the servo motor is started, the servo motor drives the screw rod, and then drives the insert block to make the guide block, and then drives the blade mounting frame and the blade to move. The blade can be moved to the specified position according to the scale bar, and then the servo motor is closed. In the actual use process, since the height and angle of the grass head are fixedly arranged in the actual process of the device, it is difficult to meet the grassing requirements of different use environments, which affects the use effect. At the same time, the position of the grass head is fixed during use, so that the worker needs to move the operation multiple times during the large-area grassing process, which affects the use efficiency. Therefore, an adjustable grass trimmer needs to be improved to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide an adjustable grass trimmer to solve the problems in the background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: an adjustable grass beater, including base and connecting plate, the base bottom is fixedly connected with universal wheel, the base top is fixedly connected with handrail, the base top is fixedly connected with support frame, the connecting plate right side is provided with movable adjusting mechanism, the support frame top is provided with auxiliary grass beater mechanism,

[0008] The movable adjusting mechanism includes a height adjusting assembly and an angle adjusting assembly, and the angle adjusting assembly is arranged at the bottom of the height adjusting assembly.

[0009] Preferably, the height adjusting assembly includes a connecting table, which is fixedly connected to the right side of the connecting plate, a threaded rod is rotatably connected inside the connecting table, a limiting rod is fixedly connected inside the connecting table, and a movable plate is slidably connected outside the limiting rod, which facilitates the adjustment of the height of the movable plate to meet the adjustment and use of different height environments.

[0010] Preferably, the movable plate is threadedly connected with the threaded rod, grooves are formed in the corresponding positions of the connecting table and the movable plate, and the movable plate is slidably connected inside the grooves, which facilitates more stable height adjustment.

[0011] Preferably, the angle adjusting assembly includes a connecting frame, which is fixedly connected to the bottom of the movable plate, a rotating block is rotatably connected inside the connecting frame, a grass beater head is fixedly connected to the bottom of the rotating block, a connecting cylinder is fixedly connected to the front of the connecting frame, a spring is fixedly connected inside the connecting cylinder, a clamping block is fixedly connected to the back of the spring, and a pull rod is fixedly connected to the front of the clamping block, which facilitates the adjustment of the angle of the grass beater head to meet the adjustment and use of different angle grass beater requirements.

[0012] Preferably, the pull rod and the connecting cylinder are slidably connected, the clamping block and the connecting cylinder are slidably connected, the clamping block and the connecting frame are slidably connected, grooves are formed in the corresponding positions of the rotating block and the clamping block, and the clamping block is in contact with the rotating block, which facilitates more stable angle adjustment.

[0013] Preferably, the auxiliary grass beater mechanism includes a motor, which is fixedly connected to the bottom of the support frame, a first connecting block is fixedly connected inside the support frame, which is extended to the output end of the motor, a limiting plate is rotatably connected to the top of the support frame, a residual gear is fixedly connected to the top of the limiting plate, a gear column is rotatably connected inside the support frame, and a second connecting block is fixedly connected to the top of the gear column, which facilitates the reciprocating swing of the second connecting block, so that the grass beater head reciprocating swings, thereby increasing the grass beater range and use efficiency.

[0014] Preferably, the gear post meshes with the residual gear, the limiting plate has a groove at the corresponding position of the first connecting block, the first connecting block is in contact with the limiting plate, and the connecting plate is fixedly connected to the second connecting block, which makes the grass cutting process more stable.

[0015] Compared with the prior art, this utility model provides an adjustable lawn mower with the following features:

[0016] Beneficial effects:

[0017] 1. This adjustable grass trimmer features a movable adjustment mechanism. During use, the rotating threaded rod, in conjunction with the limit rod, facilitates the adjustment of the movable plate height to meet different usage environments. The moving pull rod, in conjunction with the spring, allows for the adjustment of the trimming head angle to meet different trimming needs.

[0018] 2. This adjustable grass cutter, through its auxiliary grass cutting mechanism, uses a motor to rotate the first connecting block during use, which facilitates the reciprocating swing of the second connecting block, thereby causing the grass cutting head to swing back and forth, increasing the grass cutting range and thus increasing efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the front structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the height adjustment component of this utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the height adjustment component of this utility model;

[0023] Figure 4 This is a schematic diagram of the angle adjustment component structure of this utility model;

[0024] Figure 5 This is a schematic cross-sectional view of the angle adjustment component of this utility model;

[0025] Figure 6 This is a schematic diagram of the auxiliary grass-cutting mechanism of this utility model.

[0026] In the diagram: 1. Base; 2. Casters; 3. Handrail; 4. Support frame; 5. Connecting plate; 6. Adjustable mechanism; 61. Height adjustment assembly; 611. Connecting platform; 612. Movable plate; 613. Threaded rod; 614. Limiting rod; 62. Angle adjustment assembly; 621. Connecting frame; 622. Rotating block; 623. Trimming head; 624. Connecting cylinder; 625. Pull rod; 626. Locking block; 627. Spring; 7. Auxiliary trimming mechanism; 71. Motor; 72. First connecting block; 73. Limiting plate; 74. Residual gear; 75. Gear post; 76. Second connecting block. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] Example 1:

[0030] The existing technology uses fixed height and angle for the mowing head, which fails to adequately meet the needs of different environments and affects performance. Therefore, this embodiment provides an adjustable mowing machine. Please refer to [link / reference]. Figures 1-5 This utility model provides a technical solution: an adjustable grass cutter, including a base 1 and a connecting plate 5. The bottom of the base 1 is fixedly connected to a universal wheel 2, the top of the base 1 is fixedly connected to a handrail 3, the top of the base 1 is fixedly connected to a support frame 4, the right side of the connecting plate 5 is provided with an adjustable mechanism 6, and the top of the support frame 4 is provided with an auxiliary grass cutting mechanism 7.

[0031] The adjustment mechanism 6 includes a height adjustment component 61 and an angle adjustment component 62, with the angle adjustment component 62 located at the bottom of the height adjustment component 61.

[0032] Furthermore, the height adjustment component 61 includes a connecting platform 611, which is fixedly connected to the right side of the connecting plate 5. A threaded rod 613 is rotatably connected inside the connecting platform 611, and a limit rod 614 is fixedly connected inside the connecting platform 611. A movable plate 612 is slidably connected to the outside of the limit rod 614, which facilitates the adjustment of the height of the movable plate 612, thereby meeting the needs of adjusting for different usage environments.

[0033] Furthermore, the movable plate 612 is threadedly connected to the threaded rod 613, and the connecting platform 611 is provided with a groove at the corresponding position of the movable plate 612, and the movable plate 612 is slidably connected inside the groove, which facilitates a more stable height adjustment process.

[0034] Furthermore, the angle adjustment component 62 includes a connecting frame 621, which is fixedly connected to the bottom of the movable plate 612. A rotating block 622 is rotatably connected inside the connecting frame 621. A mowing head 623 is fixedly connected to the bottom of the rotating block 622. A connecting cylinder 624 is fixedly connected to the front of the connecting frame 621. A spring 627 is fixedly connected inside the connecting cylinder 624. A locking block 626 is fixedly connected to the back of the spring 627. A pull rod 625 is fixedly connected to the front of the locking block 626, which facilitates the adjustment of the angle of the mowing head 623, thereby meeting the adjustment and use of different mowing angles.

[0035] Furthermore, the pull rod 625 is slidably connected to the connecting cylinder 624, the locking block 626 is slidably connected to the connecting cylinder 624, the locking block 626 is slidably connected to the connecting frame 621, and the rotating block 622 and the locking block 626 are respectively provided with grooves, and the locking block 626 is in contact with the rotating block 622, which makes the angle adjustment process more stable.

[0036] Example 2:

[0037] Based on Embodiment 1, the fixed position of the mowing head in the prior art necessitates multiple repositioning operations by workers during large-area mowing, affecting efficiency. Therefore, this utility model provides Embodiment 2 to solve the above-mentioned technical problem. Please refer to Embodiment 2. Figure 6 Furthermore, in conjunction with Embodiment 1, the auxiliary mowing mechanism 7 includes a motor 71, which is fixedly connected to the bottom of the support frame 4. The output end of the motor 71 extends through the support frame 4 and is fixedly connected to a first connecting block 72 inside. A limit plate 73 is rotatably connected to the top of the support frame 4, and a residual gear 74 is fixedly connected to the top of the limit plate 73. A gear column 75 is rotatably connected inside the support frame 4, and a second connecting block 76 is fixedly connected to the top of the gear column 75, which facilitates the reciprocating swing of the second connecting block 76, thereby causing the mowing head 623 to reciprocate, thereby increasing the mowing range and thus increasing the efficiency of use.

[0038] Furthermore, the gear post 75 meshes with the residual gear 74, the limiting plate 73 has a groove at the corresponding position of the first connecting block 72, and the first connecting block 72 contacts the limiting plate 73. The connecting plate 5 is fixedly connected to the second connecting block 76, which makes the grass cutting process more stable.

[0039] In actual operation, when this device is used, the operator first pushes the handle 3, and with the universal wheels 2, moves the device to the designated position. The operator then adjusts it according to the usage scenario. The operator rotates the threaded rod 613, and through the rotation of the threaded rod 613, in conjunction with the limit rod 614, the movable plate 612 moves, thereby adjusting the height of the movable plate 612. After adjustment, the operator pulls the lever 625, and through the movement of the lever 625, in conjunction with the spring 627, the locking block 626 moves. The operator rotates the rotating block 622, causing the trimmer head 623 to move. After adjustment, the operator releases the lever 625, and with the spring 627, the locking block 626 moves, thereby adjusting and limiting the angle of the trimmer head 623. After adjustment, the operator operates the motor 71, causing the first connecting block 72 to rotate, and in conjunction with the limit plate 73, causing the residual gear 74 to rotate, thereby causing the gear column 75 to rotate inside the support frame 4, thus causing the second connecting block 76 to swing back and forth.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. An adjustable lawn mower, comprising a base (1) and a connecting plate (5), characterized in that: The base (1) is fixedly connected to a universal wheel (2) at the bottom, a handrail (3) is fixedly connected to the top of the base (1), a support frame (4) is fixedly connected to the top of the base (1), an adjustable mechanism (6) is provided on the right side of the connecting plate (5), and an auxiliary grass-cutting mechanism (7) is provided on the top of the support frame (4). The movable adjustment mechanism (6) includes a height adjustment component (61) and an angle adjustment component (62), with the angle adjustment component (62) located at the bottom of the height adjustment component (61).

2. The adjustable lawn mower according to claim 1, characterized in that: The height adjustment assembly (61) includes a connecting platform (611), which is fixedly connected to the right side of the connecting plate (5). A threaded rod (613) is rotatably connected inside the connecting platform (611), and a limit rod (614) is fixedly connected inside the connecting platform (611). A movable plate (612) is slidably connected to the outside of the limit rod (614).

3. An adjustable lawn mower according to claim 2, characterized in that: The movable plate (612) is threadedly connected to the threaded rod (613). The connecting platform (611) is provided with a groove at the corresponding position of the movable plate (612), and the movable plate (612) is slidably connected inside the groove.

4. An adjustable lawn mower according to claim 2, characterized in that: The angle adjustment component (62) includes a connecting frame (621), which is fixedly connected to the bottom of the movable plate (612). A rotating block (622) is rotatably connected inside the connecting frame (621). A grass trimmer (623) is fixedly connected to the bottom of the rotating block (622). A connecting cylinder (624) is fixedly connected to the front of the connecting frame (621). A spring (627) is fixedly connected inside the connecting cylinder (624). A locking block (626) is fixedly connected to the back of the spring (627). A pull rod (625) is fixedly connected to the front of the locking block (626).

5. An adjustable lawn mower according to claim 4, characterized in that: The pull rod (625) is slidably connected to the connecting cylinder (624), the locking block (626) is slidably connected to the connecting cylinder (624), the locking block (626) is slidably connected to the connecting frame (621), the rotating block (622) has a groove at the corresponding position of the locking block (626), and the locking block (626) is in contact with the rotating block (622).

6. An adjustable lawn mower according to claim 1, characterized in that: The auxiliary mowing mechanism (7) includes a motor (71), which is fixedly connected to the bottom of the support frame (4). The output end of the motor (71) extends through the support frame (4) and is fixedly connected to a first connecting block (72). A limit plate (73) is rotatably connected to the top of the support frame (4). A residual gear (74) is fixedly connected to the top of the limit plate (73). A gear column (75) is rotatably connected inside the support frame (4). A second connecting block (76) is fixedly connected to the top of the gear column (75).

7. An adjustable lawn mower according to claim 6, characterized in that: The gear column (75) meshes with the residual gear (74), the limiting plate (73) has a groove at the corresponding position of the first connecting block (72), and the first connecting block (72) contacts the limiting plate (73), and the connecting plate (5) is fixedly connected to the second connecting block (76).

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