Lawn mower aluminum disc facilitating replacement of grass trimming rope

By designing a lawn mower aluminum plate including a rotating disc, connecting pipe, mounting block and equipment box, the meshing structure of the movable rack and fixed rack and the pull-down spring drive system, the problem of inconvenience in replacing the lawn mower aluminum seat is solved, and the rapid replacement of the straw rope and higher efficiency of the straw rope is achieved.

CN222674982UActive Publication Date: 2025-03-28HANGZHOU SHENGDA BEARING

Patent Information

Application Number
CN202420548426.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-21
Publication Date
2025-03-28
Estimated Expiration
2034-03-21

AI Technical Summary

Technical Problem

The existing lawn mower aluminum seat has inconvenient disassembly when replacing the straw rope, resulting in inefficient replacement.

Method used

A lawnmower aluminum disk including a rotating disc, connecting pipe, mounting block and equipment box is designed. The straw rope is fixed through the meshing structure of the movable rack and the fixed rack, and the driving rod is driven by a pull-down spring to achieve rapid replacement of the straw rope.

Benefits of technology

The rapid replacement of straw ropes is achieved, the efficiency of lawn mowers is improved, and the safety and stability of the fixing and replacement process of straw ropes is ensured through the design of sealing structure and adjustment grooves.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222674982U_ABST
    Figure CN222674982U_ABST
Patent Text Reader

Abstract

The utility model discloses a lawn mower aluminum disc convenient to replace a grass trimming rope, and relates to the technical field of lawn mowers, the lawn mower aluminum disc convenient to replace the grass trimming rope comprises a rotating disc, a connecting pipe and a mounting block, the rotating disc is of a circular structure, the connecting pipe and the mounting block are both located in the middle of the rotating disc, and the mounting block is located at the bottom of the connecting pipe; four equipment boxes are fixedly connected to the top of the rotating disc, the four equipment boxes are distributed at the top of the rotating disc in a central symmetry mode, a fixing groove is formed in the end of each equipment box, threaded holes are formed in the two sides of the top of each fixing groove, and fixing structures are arranged. The grass trimming rope is fixed through meshing between the fixing block and the driving rod, the driving rod is driven by the pull-down spring to rotate around the fixing block, and the action drives the movable rack to be away from the fixed rack, so that the grass trimming rope is taken out from the position between the movable rack and the fixed rack, and rapid replacement of the grass trimming rope is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowers, in particular to an aluminum plate of a lawn mower which is convenient for replacing a mowing rope. Background Art

[0002] In the agricultural field, lawn mowers are widely used to harvest crops such as forage grass and grain straw. By adjusting the height and speed of the cutter, the lawn mower can accurately control the harvesting height and efficiency, greatly improving the harvesting efficiency and quality of crops.

[0003] For example, an aluminum seat for a lawn mower with announcement number CN208987319U relates to lawn mower accessories, and is intended to solve the problem that the existing aluminum seat for lawn mowers has a relatively complex fixing structure for the blade, which makes it inconvenient for users to disassemble when they need to replace the blade. The key points of its technical solution are: it includes a coupling column and a cutter disc sleeved on the coupling column, the coupling column is provided with a coupling hole along the length direction, and a pressure ring is provided around the outer wall circumferentially, the cutter disc and the pressure ring are coaxially arranged, and the cutter disc is provided with a plurality of cutter grooves, the lawn mower blade is clamped in the cutter grooves, and contacts with the pressure ring, the coupling column passes through the cutter disc, and a fixing ring is sleeved on one end of the cutter disc, the fixing ring contacts the side of the cutter disc away from the pressure ring, and is threadedly connected to the coupling column. The utility model can facilitate users to replace blades, thereby achieving better use effect;

[0004] The above-mentioned reference document realizes the convenient replacement of blades by users through the removal of the fixing ring. In the prior art, in order to ensure safety and adapt to different terrain conditions, grass cutting ropes are usually used to cut plants. However, the grass cutting rope itself is easy to wear, so it needs to be replaced efficiently and conveniently. Utility Model Content

[0005] The utility model aims to provide an aluminum plate for lawn mowers that is easy to replace a mowing rope, so as to solve the problem that in the prior art, in order to ensure safety and adapt to different terrain conditions, a mowing rope is usually used to cut plants. However, the mowing rope itself is easy to wear, so it needs to be replaced efficiently and conveniently.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aluminum plate for a lawn mower that is convenient for replacing a mowing rope, comprising a rotating plate, a connecting pipe, and a mounting block, wherein the rotating plate is set to a circular structure, and the connecting pipe and the mounting block are both located in the middle of the rotating plate, and the mounting block is located at the bottom of the connecting pipe;

[0007] Four device boxes are fixedly connected to the top of the rotating disk, and the four device boxes are symmetrically distributed on the top of the rotating disk, and each device box end is provided with a fixing groove, and threaded holes are provided on both sides of the top of the fixing groove. A fixing structure is provided inside the device box, and the fixing structure is provided with a fixing block. A driving rod is rotatably connected to the outside of the fixing block, and an adjustment groove is provided inside the driving rod, and a movable rack is fixedly connected to one end of the driving rod away from the fixing block, and a fixed rack is meshed at the bottom of the movable rack, and the fixed rack is fixedly connected to the bottom of the device box, and a pull-down spring is fixedly connected to the bottom of the drive rod away from the movable rack, and the pull-down spring is fixedly connected to the bottom of the device box;

[0008] A sealing structure for sealing the device box is provided on the top.

[0009] Furthermore, the connecting pipe and the mounting block are provided with openings penetrating therein, and the mounting block is configured as a square structure, and a slot is provided on a side surface of the mounting block.

[0010] Furthermore, a positioning groove is provided inside one end of the adjustment groove away from the pull-down spring, and the adjustment groove has a certain slope.

[0011] Furthermore, the sealing structure is provided with a protective cover, and two card blocks are fixedly connected to the end of the protective cover, and the two card blocks are symmetrically distributed with each other, and the two card blocks are engaged in the card grooves on the side of the mounting block. A sliding groove is provided on the top of the protective cover, and a toggle block is slidably connected inside the sliding groove.

[0012] Furthermore, an elastic member is fixedly connected to the bottom of the toggle block, and a positioning block is slidably connected inside the elastic member to form a piston structure, and the positioning block is fixedly connected to the elastic member through a spring, and the positioning block is slidably connected inside the adjustment slot.

[0013] Furthermore, the protective cover is fixedly connected to a side plate at one end away from the block, and a slider is slidably connected inside the side plate to form a piston structure, and the slider is fixedly connected to the side plate by a spring, and mutually aligned openings are provided inside the side plate and the slider.

[0014] Furthermore, both sides of the top of the slider are threadedly connected with fixing screws, and the fixing screws are threadedly connected to the inside of the threaded holes, and the slider is engaged with the inside of the fixing groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The aluminum plate of the lawn mower which is convenient for replacing the mowing rope is provided with a fixing structure. First, the mowing rope is installed between the movable rack and the fixed rack, and the meshing between the two is used to fix the mowing rope. The driving rod is driven to rotate around the fixing block by pulling down the spring. This action drives the movable rack away from the fixed rack, so that the mowing rope is taken out from between the movable rack and the fixed rack, thereby realizing the rapid replacement of the mowing rope.

[0017] Furthermore, a sealing structure is provided, and the positioning block is driven to slide inside the slide groove by moving the toggle block to control the rotation of the driving rod. At the same time, by adjusting the position height of the positioning block inside the adjusting groove, the meshing force of the movable rack and the fixed rack is controlled. When the positioning block is at the lowest point inside, the pull-down spring drives the movable rack to rotate around the fixed block, so that the movable rack and the fixed rack are separated. As the positioning block slides inside the adjusting groove until the positioning block is located in the positioning groove, the movable rack and the fixed rack will fit tightly together, thereby realizing the control of the meshing state of the movable rack and the fixed rack.

[0018] Furthermore, when the protective cover is separated from the equipment box, the side panel and the fixing groove will be separated from each other, and then the slider will slide out from the inside of the side panel, causing the openings inside the side panel and the slider to be misaligned. If there is a mowing rope in the opening at this time, the mowing rope can be clamped by using the misaligned openings of the side panel and the slider, thereby smoothly taking it out from the inside of the equipment box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the rotating disk of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the rotating disk of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the driving rod of the utility model;

[0023] Figure 5 This is a schematic diagram of the explosion structure of the protective cover of the utility model;

[0024] Figure 6 It is a schematic diagram of the half-section structure of the elastic member of the utility model.

[0025] In the figure: 1. rotating disk; 2. connecting pipe; 3. mounting block; 4. equipment box; 5. fixing slot; 6. threaded hole; 7. fixing block; 8. driving rod; 9. adjusting slot; 10. movable rack; 11. fixed rack; 12. pull-down spring; 13. protective cover; 14. clamping block; 15. slide slot; 16. toggle block; 17. elastic part; 18. positioning block; 19. side panel; 20. slider; 21. fixing screw. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In a further preferred embodiment of the present invention, Figure 3 - Figure 4 As shown, four device boxes 4 are fixedly connected to the top of the rotating disk 1, and the four device boxes 4 are symmetrically distributed on the top of the rotating disk 1, and each device box 4 has a fixing groove 5 at its end, and threaded holes 6 are provided on both sides of the top of the fixing groove 5. A fixing structure is provided inside the device box 4, and the fixing structure is provided with a fixing block 7. A driving rod 8 is rotatably connected to the outer side of the fixing block 7, and an adjusting groove 9 is provided inside the driving rod 8, and a movable rack 10 is fixedly connected to the end of the driving rod 8 away from the fixing block 7, and a fixed rack 11 is meshed at the bottom of the movable rack 10, and the fixed rack 11 is fixedly connected to the bottom of the device box 4, and a pull-down spring 12 is fixedly connected to the bottom of the device box 4 at the end of the driving rod 8 away from the movable rack 10, and the pull-down spring 12 is fixedly connected to the bottom of the device box 4; a sealing structure for sealing the device box 4 is provided at the top, and an opening penetrating therein is provided inside the connecting pipe 2 and the mounting block 3, and the mounting block 3 is set to a square structure, and a card slot is provided on the side of the mounting block 3, and a positioning slot is provided inside the end of the adjusting slot 9 away from the pull-down spring 12, and the adjusting slot 9 is provided with a certain slope;

[0028] First, install the protective cover 13 on the top of the equipment box 4, slide the positioning block 18 to the lower end of the adjustment slot 9, and then install the mowing rope between the movable rack 10 and the fixed rack 11 through the opening between the side plate 19 and the slider 20. At this time, slide the positioning block 18 to the higher end of the adjustment slot 9 until it is located in the positioning slot. During this process, the positioning block 18 will drive the movable rack 10 and the fixed rack 11 to approach each other until the movable rack 10 and the fixed rack 11 are meshed with each other, and the meshing between the two is used to fix the mowing rope. The driving rod 8 is driven to rotate around the fixed block 7 by the pull-down spring 12. This action will drive the movable rack 10 away from the fixed rack 11, thereby removing the mowing rope from between the movable rack 10 and the fixed rack 11, thereby realizing the rapid replacement of the mowing rope.

[0029] In a further preferred embodiment of the present invention, Figure 5 - Figure 6 As shown, the sealing structure is provided with a protective cover 13, and two clamping blocks 14 are fixedly connected to the end of the protective cover 13, and the two clamping blocks 14 are symmetrically distributed, and the two clamping blocks 14 are clamped in the clamping groove on the side of the mounting block 3, a slide groove 15 is provided on the top of the protective cover 13, and a toggle block 16 is slidably connected inside the slide groove 15, and an elastic member 17 is fixedly connected to the bottom of the toggle block 16, and a positioning block 18 is slidably connected inside the elastic member 17 to form a piston structure, and the positioning block 18 and the elastic member 17 are fixedly connected by a spring, and the positioning block 18 is slidably connected to the inside of the adjustment groove 9, and the end of the protective cover 13 away from the clamping block 14 is fixedly connected to a side plate 19, and a slider 20 is slidably connected inside the side plate 19 to form a piston structure, and the slider 20 is fixedly connected to the side plate 19 by a spring, and the side plate 19 and the slider 20 are both provided with openings aligned with each other, and fixing screws 21 are threadedly connected to both sides of the top of the slider 20, and the fixing screws 21 are threadedly connected to the inside of the threaded hole 6, and the slider 20 is clamped with the inside of the fixed groove 5;

[0030] The top of the device box 4 is sealed by the protective cover 13. First, the card block 14 is installed inside the mounting block 3, so that the side plate 19 is engaged with the inside of the fixing groove 5, until the fixing screw 21 is installed inside the threaded hole 6, and the protective cover 13 is fixed on the top of the device box 4. The positioning block 18 is driven to slide inside the slide groove 15 by moving the toggle block 16 to control the rotation of the drive rod 8. At the same time, by adjusting the position height of the positioning block 18 inside the adjustment groove 9, the meshing force of the movable rack 10 and the fixed rack 11 is controlled. When the positioning block 18 is at the lowest point inside the adjustment groove 9, the pull-down spring 12 drives the movable rack 10 to rotate around the fixed block 7, so that the movable rack 10 is The movable rack 10 and the fixed rack 11 are separated, and as the positioning block 18 slides inside the adjustment groove 9 until the positioning block 18 is located in the positioning groove, the movable rack 10 and the fixed rack 11 will fit tightly together, thereby realizing the control of the meshing state of the movable rack 10 and the fixed rack 11. When the protective cover 13 is separated from the equipment box 4, the side panel 19 and the fixed groove 5 will be separated from each other, and then the slider 20 will slide out from the inside of the side panel 19, causing the openings inside the side panel 19 and the slider 20 to be misaligned. If there is a mowing rope in the opening at this time, the mowing rope can be clamped by using the misaligned openings of the side panel 19 and the slider 20, so that it can be smoothly taken out from the inside of the equipment box 4.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lawn mower aluminum disc for convenient replacement of a mowing rope, comprising a rotating disc (1), a connecting pipe (2), and a mounting block (3), wherein the rotating disc (1) is configured as a circular structure, the connecting pipe (2) and the mounting block (3) are both located in the middle of the rotating disc (1), and the mounting block (3) is located at the bottom of the connecting pipe (2); Features: Four device boxes (4) are fixedly connected to the top of the rotating disk (1), and the four device boxes (4) are symmetrically distributed on the top of the rotating disk (1), and each device box (4) is provided with a fixing groove (5) at the end, and threaded holes (6) are provided on both sides of the top of the fixing groove (5). A fixing structure is provided inside the device box (4), and the fixing structure is provided with a fixing block (7). A driving rod (8) is rotatably connected to the outer side of the fixing block (7), and an adjustment groove (9) is provided inside the driving rod (8), and an end of the driving rod (8) away from the fixing block (7) is fixedly connected to a movable rack (10), and the bottom of the movable rack (10) is meshed with a fixed rack (11), and the fixed rack (11) is fixedly connected to the bottom of the device box (4), and a pull-down spring (12) is fixedly connected to the bottom of the device box (4); A sealing structure for sealing the device box (4) is provided on the top thereof.

2. The aluminum plate for lawn mower that is convenient for replacing the mowing rope according to claim 1, characterized in that: The connecting pipe (2) and the mounting block (3) are provided with openings penetrating therein, the mounting block (3) is configured as a square structure, and a slot is provided on the side of the mounting block (3).

3. The aluminum plate for lawn mower that is convenient for replacing the mowing rope according to claim 1, characterized in that: A positioning groove is provided inside one end of the adjustment groove (9) away from the pull-down spring (12), and the adjustment groove (9) is provided with a certain slope.

4. The aluminum plate for lawn mower that is convenient for replacing the mowing rope according to claim 1, characterized in that: The sealing structure is provided with a protective cover (13), the end of the protective cover (13) is fixedly connected with two clamping blocks (14), the two clamping blocks (14) are symmetrically distributed with each other, and the two clamping blocks (14) are clamped in the inside of the clamping groove on the side of the mounting block (3), the top of the protective cover (13) is provided with a sliding groove (15), and the inside of the sliding groove (15) is slidably connected with a toggle block (16).

5. The aluminum plate for lawn mower that is convenient for replacing the mowing rope according to claim 4, characterized in that: The bottom of the toggle block (16) is fixedly connected to an elastic member (17), and a positioning block (18) is slidably connected inside the elastic member (17) to form a piston structure. The positioning block (18) and the elastic member (17) are fixedly connected via a spring, and the positioning block (18) is slidably connected inside the adjustment groove (9).

6. The aluminum plate for lawn mower that is convenient for replacing the mowing rope according to claim 5, characterized in that: The end of the protective cover (13) away from the clamping block (14) is fixedly connected to a side plate (19), and a slider (20) is slidably connected inside the side plate (19) to form a piston structure, and the slider (20) is fixedly connected to the side plate (19) by a spring, and mutually aligned openings are provided inside the side plate (19) and the slider (20).

7. The aluminum plate for lawn mower that is convenient for replacing the mowing rope according to claim 6, characterized in that: Both sides of the top of the slider (20) are threadedly connected with fixing screws (21), and the fixing screws (21) are threadedly connected to the inside of the threaded hole (6), and the slider (20) is engaged with the inside of the fixing groove (5).

Citation Information

Patent Citations

  • Aluminum base for mower

    CN208987319U

Cited By

  • Convenient and fast replacement structure for grass trimming rope of handheld mower

    CN224154706U