Mower blade height adjusting mechanism

Abstract

The utility model relates to the technical field of hay mowers, in particular to a hay mower blade height adjusting mechanism which comprises a hay mower body and an installation assembly. The mounting assembly comprises a handrail, rolling wheels, a baffle, a blade, a rotating motor, a frame body, a block body, a driving component and a cleaning component, the frame body is fixedly mounted on one side of the mower body, the driving component is arranged on the frame body and connected with the mower body, the block body is slidably connected with the frame body and connected with the driving component, and the rotating motor is fixedly connected with the block body; the blade is connected with an output shaft of the rotating motor, the baffle is fixedly connected with the mower body and located on the side, close to the blade, of the mower body, the cleaning component is connected with the mower body and connected with the baffle, and the rolling wheel is rotationally installed on the side, away from the frame body, of the mower body. The handrail is fixedly installed on the side, away from the baffle, of the mower body, and therefore the position height of the blade can be conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowers, in particular to a blade height adjustment mechanism for lawn mowers. Background Art

[0002] A lawn mower is a widely used gardening tool, mainly used for garden decoration pruning, lawn pruning, urban streets, green scenic spots and farmland pruning, especially for lawns and grasslands in parks, other grass fields such as football fields, private villa gardens, and vegetation in agricultural, forestry and livestock farms. It saves the working time of weeding workers and reduces a lot of human resources. Conventional equipment will produce debris during the cutting process. The debris will be thrown backwards as the blade rotates and adhere to the baffle. It is time-consuming and laborious to clean the debris on the baffle, which affects the use effect of the equipment.

[0003] Prior art CN214046681U discloses a novel gardening lawn mower, comprising a blade, a connection part, a driving motor, an output shaft, a fastening screw, a roller, a baffle, a scraper, a fixing nut, a stud and a fixing nut. The blade is spirally connected to the output shaft of the driving motor through the connection part and is fixed by the fastening screw to adjust the height of the blade. A baffle is arranged between the blade and the roller to prevent the blade from rotating and causing debris to fly backward onto the staff. At the same time, a scraper is arranged above the baffle. When the work is finished, the fixing nut is rotated to the uppermost end of the stud, the stud is pushed up and down, and the debris on the baffle is cleaned by the scraper at the end of the stud. When working, the stud is pulled upward and then fixed by the fixing nut to prevent the scraper from sliding off by itself, making it easy to clean the debris on the baffle, thereby improving the use effect of the equipment.

[0004] In normal use, the blade is spirally connected to the output shaft of the driving motor through the connecting part and fixed by tightening the spiral tube to adjust the height of the blade. The prior art is time-consuming and inconvenient to adjust the position height of the blade, which makes it inconvenient to adjust the position height of the blade. Utility Model Content

[0005] The utility model aims to provide a lawn mower blade height adjustment mechanism, which solves the problem that the blade is spirally connected to the output shaft of a driving motor through a connecting part and fixed by a tightening screw tube to adjust the height of the blade. The prior art is time-consuming and inconvenient to adjust the position height of the blade, resulting in inconvenience in adjusting the position height of the blade.

[0006] To achieve the above-mentioned purpose, the utility model provides a lawn mower blade height adjustment mechanism, including a lawn mower body and a mounting assembly; the mounting assembly includes an armrest, a roller, a baffle, a blade, a rotating motor, a frame, a block, a driving component and a cleaning component, the frame is fixedly mounted on one side of the lawn mower body, the driving component is arranged on the frame and connected to the lawn mower body, the block is slidably connected to the frame and connected to the driving component, the rotating motor is fixedly connected to the block and is located on a side of the block close to the lawn mower body, the blade is connected to the output shaft of the rotating motor, the baffle is fixedly connected to the lawn mower body and is located on a side of the lawn mower body close to the blade, the cleaning component is connected to the lawn mower body and to the baffle, the roller is rotatably mounted on a side of the lawn mower body away from the frame, and the armrest is fixedly mounted on a side of the lawn mower body away from the baffle.

[0007] Wherein, the driving component includes a driving screw and a driving motor, the driving screw is rotatably connected to the frame, threadedly connected to the block, and rotatably connected to the lawn mower body; the driving motor is fixedly connected to the frame, and the output shaft of the driving motor is connected to the driving screw.

[0008] Wherein, the cleaning component comprises a scraper and a moving part, wherein the scraper is slidably connected to the baffle and is located on a side of the baffle away from the armrest; the moving part is connected to the lawn mower body and to the scraper.

[0009] Wherein, the movable component includes a movable block, a sliding rod and a spring, the sliding rod is slidably connected to the lawn mower body and fixedly connected to the scraper; the movable block is fixedly connected to the sliding rod and is located on a side of the sliding rod away from the scraper; one end of the spring is connected to the movable block, and the other end of the spring is connected to the lawn mower body.

[0010] Wherein, the mounting assembly further comprises a stabilizing block and a stabilizing frame, wherein the stabilizing frame is fixedly connected to the block and is located on a side of the block close to the frame; the stabilizing block is slidably connected to the stabilizing frame and is fixedly connected to the frame.

[0011] The utility model provides a lawn mower blade height adjustment mechanism. When cleaning the baffle, the movable block is pressed down, and the movable block drives the slide bar to move on the lawn mower body, the spring is deformed, and the slide bar drives the scraper to move on the baffle. When the movable block is released, the spring drives the movable block to drive the slide bar and the scraper to move. When adjusting the blade, the drive motor drives the drive screw to rotate on the frame, and the drive screw drives the block to move on the frame. When the block moves, it drives the rotating motor to move up and down, and when the rotating motor moves, it drives the blade to move, and the rotating motor drives the blade to cut grass, thereby facilitating the adjustment of the position height of the blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the lawn mower blade height adjustment mechanism of the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the driving screw rod and the driving motor of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the movable block and the sliding rod of the utility model.

[0016] Figure 4 It is a structural schematic diagram of a stabilizing block and a stabilizing frame of the utility model.

[0017] Figure 5 It is a structural schematic diagram of the block and the stabilizing block of the utility model.

[0018] In the figure: 101-mower body, 102-armrest, 103-roller, 104-baffle, 105-blade, 106-rotating motor, 107-frame, 108-block, 109-driving screw, 110-driving motor, 111-scraper, 112-moving block, 113-sliding rod, 114-spring, 201-stabilizing block, 202-stabilizing frame. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figure 1-Figure 3 , Figure 1 This is a schematic diagram of the overall structure of the lawn mower blade height adjustment mechanism of the first embodiment of the utility model. Figure 2 This is a schematic diagram of the structure of the drive screw and the drive motor of the utility model. Figure 3 106, a blade 105, a rotating motor 106, a frame 107, a block 108, a driving member and a cleaning member, the driving member includes a driving screw 109 and a driving motor 110, the cleaning member includes a scraper 111 and a moving member, the moving member includes a moving block 112, a sliding rod 113 and a spring 114, and the above-mentioned scheme solves the problem that the blade 105 is spirally connected to the output shaft of the driving motor 110 through a connecting portion and fixed by a tightening spiral tube to adjust the height of the blade 105. It can be understood that the above-mentioned scheme can be used in the case where the prior art is time-consuming in adjusting the position height of the blade 105, and it is often inconvenient to adjust the position height of the blade 105.

[0022] According to this specific embodiment, the block 108 is driven to move on the frame 107 by the driving component. When the block 108 moves, it drives the rotating motor 106 to move up and down. When the rotating motor 106 moves, it drives the blade 105 to move. The rotating motor 106 drives the blade 105 to cut the grass, thereby facilitating the adjustment of the position height of the blade 105.

[0023] The frame 107 is fixedly mounted on one side of the lawn mower body 101, the driving member is arranged on the frame 107 and connected to the lawn mower body 101, the block 108 is slidably connected to the frame 107 and connected to the driving member, the rotary motor 106 is fixedly connected to the block 108 and is located on a side of the block 108 close to the lawn mower body 101, the blade 105 is connected to the output shaft of the rotary motor 106, the baffle 104 is fixedly connected to the lawn mower body 101 and is located on the side of the block 108 close to the lawn mower body 101, The cleaning member is connected to the mower body 101 and the baffle 104 on the side of the mower body 101 close to the blade 105, the roller 103 is rotatably mounted on the side of the mower body 101 away from the frame 107, the handrail 102 is fixedly mounted on the side of the mower body 101 away from the baffle 104, a through hole is designed at the top center of the mower body 101, a plurality of sliding holes are designed on the top right side of the mower body 101, and the roller 103 has a plurality of rollers 103. The frame 107 is respectively located on the left and right sides of the front and rear ends of the lawn mower body 101. The bottom end of the frame 107 is hollow. A rotating hole is designed on the left side of the top of the frame 107. The driving member drives the block 108 to move on the inner side of the frame 107 through the rotating hole of the frame 107. The rotating motor 106 is located on the right side of the bottom of the block 108. The output shaft of the rotating motor 106 is fixedly connected to the top of the blade 105 through the through hole of the base. The baffle 104 is located on the right side of the inner side of the lawn mower body 101. The component cleans the debris on the baffle 104 through the sliding hole of the lawn mower body 101. The armrest 102 is located at the top right side of the lawn mower body 101. The block 108 is driven to move on the frame 107 by the driving component. When the block 108 moves, it drives the rotating motor 106 to move up and down. When the rotating motor 106 moves, it drives the blade 105 to move. The rotating motor 106 drives the blade 105 to cut the grass, thereby facilitating the adjustment of the position height of the blade 105.

[0024] Secondly, the driving screw 109 is rotatably connected to the frame 107, and is threadedly connected to the block 108, and is rotatably connected to the lawn mower body 101; the driving motor 110 is fixedly connected to the frame 107, and the output shaft of the driving motor 110 is connected to the driving screw 109, the outer side of the driving screw 109 is designed with an external thread, and the top left side of the block 108 is designed with a through threaded hole, the bottom end of the driving screw 109 is rotatably connected to the top left side of the lawn mower body 101 through the through threaded hole of the block 108, and the top end of the driving screw 109 is fixedly connected to the output shaft of the driving motor 110 through the rotating hole of the frame 107, and the driving motor 110 drives the driving screw 109 to rotate on the frame 107, and the driving screw 109 drives the block 108 to move on the frame 107, thereby driving the block 108 to move up and down.

[0025] Then, the scraper 111 is slidably connected to the baffle 104 and is located on the side of the baffle 104 away from the armrest 102; the moving component is connected to the lawn mower body 101 and to the scraper 111, the scraper 111 is a brush, and the moving component drives the scraper 111 to move on the left side of the baffle 104 through the sliding hole of the lawn mower body 101, and drives the scraper 111 to move on the baffle 104 through the moving component, thereby cleaning the debris on the baffle 104.

[0026] Finally, the slide bar 113 is slidably connected to the lawn mower body 101 and fixedly connected to the scraper 111; the movable block 112 is fixedly connected to the slide bar 113 and is located on the side of the slide bar 113 away from the scraper 111; one end of the spring 114 is connected to the movable block 112, and the other end of the spring 114 is connected to the lawn mower body 101. There are multiple slide bars 113, and the bottom end of the slide bar 113 is fixedly connected to the top of the scraper 111 through the sliding hole of the lawn mower body 101. The bottom left and right sides of the movable block 112 are respectively connected to the two The top end of the slide bar 113 is fixedly connected, and there are multiple springs 114. The springs 114 are sleeved on the slide bar 113 to support the movable block 112. By pressing the movable block 112, the movable block 112 drives the slide bar 113 to move on the lawn mower body 101, and the spring 114 is deformed, and the slide bar 113 drives the scraper 111 to move on the baffle 104. When the movable block 112 is released, the spring 114 drives the movable block 112 to drive the slide bar 113 and the scraper 111 to move, thereby driving the scraper 111 to move.

[0027] When using a lawn mower blade 105 height adjustment mechanism of this embodiment, when cleaning the baffle 104, the movable block 112 is pressed down, and the movable block 112 drives the slide bar 113 to move on the lawn mower body 101, the spring 114 is deformed, and the slide bar 113 drives the scraper 111 to move on the baffle 104, and the movable block 112 is released, and the spring 114 drives the movable block 112 to drive the slide bar 113 and the scraper 111 to move, and the blade height is adjusted. When the blade 105 is cut, the driving motor 110 drives the driving screw 109 to rotate on the frame 107, and the driving screw 109 drives the block 108 to move on the frame 107. When the block 108 moves, it drives the rotating motor 106 to move up and down. When the rotating motor 106 moves, it drives the blade 105 to move. The rotating motor 106 drives the blade 105 to cut the grass, thereby facilitating the adjustment of the position height of the blade 105.

[0028] The second embodiment of the present application is:

[0029] See also Figure 4 and Figure 5 , Figure 4 It is a structural schematic diagram of the stabilizing block and stabilizing frame of the utility model. Figure 5 20 is a schematic diagram of the structure of the block body and the stabilizing block of the utility model. On the basis of the first embodiment, the installation assembly of this embodiment further includes a stabilizing block 201 and a stabilizing frame 202 .

[0030] According to this specific embodiment, the block 108 drives the stabilizing frame 202 to move on the stabilizing block 201, thereby improving the stability of the block 108 during movement.

[0031] Among them, the stabilizing frame 202 is fixedly connected to the block body 108 and is located on a side of the block body 108 close to the frame body 107; the stabilizing block 201 is slidably connected to the stabilizing frame 202 and fixedly connected to the frame body 107, the stabilizing frame 202 is U-shaped, there are multiple stabilizing frames 202, and multiple mounting grooves are designed on the right side of the block body 108. The outer side of the closed end of the stabilizing frame 202 is fixedly connected to the mounting groove of the block body 108, there are multiple stabilizing blocks 201, and the stabilizing block 201 is slidably connected to the inner side of the stabilizing frame 202, and the stabilizing frame 202 is driven to move on the stabilizing block 201 through the block body 108, thereby improving the stability of the block body 108 when moving.

[0032] When the lawn mower blade 105 height adjustment mechanism of this embodiment is used, the block 108 drives the stabilizing frame 202 to move on the stabilizing block 201, thereby improving the stability of the block 108 when moving.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A lawn mower blade height adjustment mechanism, comprising a lawn mower body, characterized in that: Also included are mounting components; The mounting assembly includes an armrest, a roller, a baffle, a blade, a rotating motor, a frame, a block, a driving member and a cleaning member. The frame is fixedly mounted on one side of the lawn mower body, the driving member is arranged on the frame and connected to the lawn mower body, the block is slidably connected to the frame and connected to the driving member, the rotating motor is fixedly connected to the block and is located on a side of the block close to the lawn mower body, the blade is connected to the output shaft of the rotating motor, the baffle is fixedly connected to the lawn mower body and is located on a side of the lawn mower body close to the blade, the cleaning member is connected to the lawn mower body and to the baffle, the roller is rotatably mounted on a side of the lawn mower body away from the frame, and the armrest is fixedly mounted on a side of the lawn mower body away from the baffle.

2. The lawn mower blade height adjustment mechanism according to claim 1, characterized in that: The driving component includes a driving screw and a driving motor. The driving screw is rotatably connected to the frame, threadedly connected to the block, and rotatably connected to the lawn mower body. The driving motor is fixedly connected to the frame, and the output shaft of the driving motor is connected to the driving screw.

3. The lawn mower blade height adjustment mechanism according to claim 1, characterized in that: The cleaning component comprises a scraper and a moving part. The scraper is slidably connected to the baffle and is located on a side of the baffle away from the armrest. The moving part is connected to the lawn mower body and to the scraper.

4. The lawn mower blade height adjustment mechanism according to claim 3, characterized in that: The movable component includes a movable block, a sliding rod and a spring. The sliding rod is slidably connected to the lawn mower body and fixedly connected to the scraper. The movable block is fixedly connected to the sliding rod and is located on a side of the sliding rod away from the scraper. One end of the spring is connected to the movable block, and the other end of the spring is connected to the lawn mower body.

5. The lawn mower blade height adjustment mechanism according to claim 1, characterized in that: The mounting assembly further comprises a stabilizing block and a stabilizing frame, wherein the stabilizing frame is fixedly connected to the block and is located on a side of the block close to the frame; the stabilizing block is slidably connected to the stabilizing frame and is fixedly connected to the frame.

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