An independent height adjustment structure for a lawnmower

By introducing an oil chamber connection and an oil guide groove structure into the independent height adjuster of the lawnmower, the problem of inconvenient lubrication of the bolts of the lawnmower height adjuster is solved, realizing effective lubrication and convenient disassembly of the bolts, and improving the maintenance efficiency of the lawnmower.

CN224419390UActive Publication Date: 2026-06-30YUYAO CHENRUI MACHINERY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUYAO CHENRUI MACHINERY CO LTD
Filing Date
2025-07-02
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The mounting bolts between the existing lawnmower height adjuster and the frame are difficult to lubricate, leading to rust and difficulty in disassembly.

Method used

Design an independent height adjuster structure for a lawnmower, including an oil chamber connection part for storing lubricating oil, and an oil guide strip and oil guide groove for delivering lubricating oil to the mounting positioning sleeve for easy lubrication of bolts, and a knob handle and locking connecting pin for easy adjustment.

Benefits of technology

It effectively reduces bolt rusting, simplifies the bolt disassembly process, and improves the ease of maintenance of the lawnmower.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224419390U_ABST
    Figure CN224419390U_ABST
Patent Text Reader

Abstract

This utility model discloses an independent height adjuster structure for a lawnmower, including a mounting strip and a fan-shaped adjusting part. The cavity of the oil chamber connection part stores lubricating oil. A covered oil inlet is located in the middle of the oil chamber connection part. An oil guide strip is installed at the bottom center of the oil chamber connection part, and an oil guide groove is provided on the inner side of the oil guide strip. The end of the oil guide groove near the oil chamber connection part is higher than the end away from the oil chamber connection part. This utility model, by setting an oil chamber connection part at one end of the mounting strip, storing lubricating oil in the cavity of the oil chamber connection part, and installing an oil guide strip at the bottom center of the oil chamber connection part with an oil guide groove on the inner side of the oil guide strip, allows the opening of the mounting positioning sleeve to communicate with the end of the oil guide strip. This enables the stored lubricating oil to be delivered to the mounting positioning sleeve, facilitating better lubrication of the bolts inside the mounting positioning sleeve, reducing the conditions for bolt rusting, and facilitating easier disassembly and installation.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to an independent height adjustment structure for a lawnmower, belonging to the technical field of lawnmower accessories. Background Technology

[0002] A lawnmower, also known as a lawn mower, lawn trimmer, or lawn mower, is a mechanical tool used for trimming lawns and vegetation. It consists of a cutter head, engine, wheels, a drive mechanism, blades, a handle, and a control unit. The cutter head is mounted on the wheels, and the engine is mounted on the cutter head. The blades are mounted on the engine's output shaft. The high-speed rotation of the blades, powered by the engine, significantly increases the speed of lawn mowing, saving workers' time and reducing manpower.

[0003] Lawn mowers need to be equipped with height adjusters to achieve height adjustment. The disadvantage of existing height adjusters is that they cannot better lubricate the mounting bolts between the height adjuster and the lawn mower frame during use, causing the bolts to rust easily and making subsequent disassembly inconvenient. To address this, we have designed an independent height adjuster structure for lawn mowers. Utility Model Content

[0004] The purpose of this invention is to provide an independent height adjustment structure for a lawnmower to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an independent height adjustment structure for a lawnmower, comprising a mounting strip and a fan-shaped adjustment part. The top of the mounting strip is connected to the rotating hole of the fan-shaped adjustment part via a rotating shaft. One end of the mounting strip is provided with an oil chamber connection part. The cavity of the oil chamber connection part stores lubricating oil. The middle part of the oil chamber connection part is provided with a covered oil inlet. An oil guide strip is installed at the middle of the bottom end of the oil chamber connection part. An oil guide groove is provided on the inner side of the oil guide strip. The end of the oil guide groove near the oil chamber connection part is higher than the end away from the oil chamber connection part.

[0006] In the above-mentioned independent height adjustment structure of a lawnmower, a first knob handle is installed in the middle of the bottom end of the mounting strip, and a second knob handle is installed at one end of the first knob handle.

[0007] In the above-mentioned independent height adjustment structure of a lawnmower, a rubber handrail is installed at one end of the second knob handle.

[0008] In the above-mentioned independent height adjustment structure of a lawnmower, a locking pin is provided between the rotating shaft of the mounting strip and the rotating hole of the fan-shaped adjustment part. The locking pin does not affect the rotation of the fan-shaped adjustment part.

[0009] In the above-mentioned independent height adjustment structure of a lawnmower, a mounting positioning sleeve is provided on one side of the bottom end of the mounting strip, and the opening of the mounting positioning sleeve is connected to the end of the oil guide strip.

[0010] In the above-mentioned independent height adjustment structure of a lawnmower, a first buffer plate is installed at the bottom end of the mounting strip, a rubber buffer part is provided at the bottom end of the first buffer plate, and a mounting panel is provided at the bottom end of the rubber buffer part.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model discloses an independent height adjustment structure for a lawnmower. By setting an oil chamber connection part at one end of the mounting strip, lubricating oil is stored in the cavity of the oil chamber connection part. An oil guide strip is installed at the middle of the bottom end of the oil chamber connection part. An oil guide groove is set on the inner side of the oil guide strip, and the opening of the mounting positioning sleeve is connected to the end of the oil guide strip. This allows the stored lubricating oil to be delivered to the mounting positioning sleeve, which facilitates better lubrication of the bolts inside the mounting positioning sleeve, reduces the conditions for bolt rusting, and facilitates better disassembly and installation. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of an independent height adjustment device for a lawnmower according to the present invention.

[0014] Figure 2 This is a schematic diagram of the structure of the oil chamber connection part and the oil guide strip of the independent height adjuster of the lawnmower according to the present invention.

[0015] Figure 3 This is a schematic diagram of the first buffer plate of the independent height adjuster structure of a lawnmower according to the present invention.

[0016] In the diagram: 1. Mounting strip; 2. Fan-shaped adjustment part; 3. First knob handle; 4. Second knob handle; 5. Rubber handrail; 6. Locking connecting pin; 7. Mounting positioning sleeve; 8. Oil cavity connection part; 9. Covered oil inlet; 10. Oil guide strip; 11. First buffer plate; 12. Rubber buffer part; 13. Mounting panel. Detailed Implementation

[0017] 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.

[0018] Please see Figure 1-3This utility model provides a technical solution for an independent height adjustment structure for a lawnmower:

[0019] Example 1: The independent height adjuster includes a mounting strip 1 and a fan-shaped adjustment part 2. The top of the mounting strip 1 is connected to the rotating hole of the fan-shaped adjustment part 2 via a rotating shaft. One end of the mounting strip 1 is provided with an oil cavity connection part 8. The cavity of the oil cavity connection part 8 stores lubricating oil. The middle part of the oil cavity connection part 8 is provided with a covered oil inlet part 9. An oil guide strip 10 is installed at the middle of the bottom end of the oil cavity connection part 8. An oil guide groove is provided on the inner side of the oil guide strip 10. The end of the oil guide groove near the oil cavity connection part 8 is higher than the end away from the oil cavity connection part 8. A mounting positioning sleeve 7 is provided on one side of the bottom end of the mounting strip 1. The opening of the mounting positioning sleeve 7 is connected to the end of the oil guide strip 10.

[0020] This solution can deliver the stored lubricating oil to the mounting positioning sleeve 7, which facilitates better lubrication of the bolts inside the mounting positioning sleeve 7, reduces the conditions for bolt rusting, and makes disassembly and installation easier.

[0021] Furthermore, in this embodiment, in order to better adjust the fan-shaped adjustment part 2, a first knob handle 3 is installed at the middle of the bottom end of the mounting strip 1, and a second knob handle 4 is installed at one end of the first knob handle 3; a rubber handrail part 5 is installed at one end of the second knob handle 4. The first knob handle 3 needs to be connected to a locking pin 6, and the locking pin 6 does not affect the rotation of the fan-shaped adjustment part 2.

[0022] Example 2: The independent height adjuster includes a mounting strip 1 and a fan-shaped adjustment part 2. The top of the mounting strip 1 is connected to the rotating hole of the fan-shaped adjustment part 2 via a rotating shaft. One end of the mounting strip 1 is provided with an oil cavity connection part 8, which stores lubricating oil. The middle part of the oil cavity connection part 8 is provided with a covered oil inlet part 9. An oil guide strip 10 is installed at the middle of the bottom end of the oil cavity connection part 8. An oil guide groove is provided on the inner side of the oil guide strip 10, with the end of the oil guide groove near the oil cavity connection part 8 being higher than the end away from the oil cavity connection part 8. A mounting positioning sleeve 7 is provided on one side of the bottom end of the mounting strip 1, and the opening of the mounting positioning sleeve 7 communicates with the end of the oil guide strip 10. A first buffer plate 11 is installed at the bottom end of the mounting strip 1, and a rubber buffer part 12 is provided at the bottom end of the first buffer plate 11. A mounting panel 13 is provided at the bottom end of the rubber buffer part 12.

[0023] This design, by setting up a first buffer plate 11, a rubber buffer part 12 and a mounting panel 13, has a good buffering effect and reduces the shaking caused by vibration.

[0024] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. An independent height adjustment structure for a lawnmower, comprising a mounting strip (1) and a fan-shaped adjustment part (2), wherein the top of the mounting strip (1) is connected to the rotating hole of the fan-shaped adjustment part (2) via a rotating shaft, characterized in that, One end of the mounting strip (1) is provided with an oil cavity connection part (8), the cavity of the oil cavity connection part (8) stores lubricating oil, the middle part of the oil cavity connection part (8) is provided with a covered oil inlet part (9), an oil guide strip (10) is installed at the middle of the bottom end of the oil cavity connection part (8), an oil guide groove is provided on the inner side of the oil guide strip (10), and the end of the oil guide groove near the oil cavity connection part (8) is higher than the end away from the oil cavity connection part (8).

2. The independent height adjustment mechanism structure for a lawnmower according to claim 1, characterized in that: A first knob handle (3) is installed at the middle of the bottom end of the mounting strip (1), and a second knob handle (4) is installed at one end of the first knob handle (3).

3. The independent height adjuster structure for a lawnmower according to claim 2, characterized in that: A rubber armrest (5) is installed at one end of the second knob handle (4).

4. The independent height adjuster structure for a lawnmower according to claim 1, characterized in that: A locking pin (6) is provided between the rotating shaft of the mounting strip (1) and the rotating hole of the fan-shaped adjustment part (2). The locking pin (6) does not affect the rotation of the fan-shaped adjustment part (2).

5. The independent height adjuster structure for a lawnmower according to claim 1, characterized in that: A mounting positioning sleeve (7) is provided on one side of the bottom end of the mounting strip (1), and the opening of the mounting positioning sleeve (7) is connected to the end of the oil guide strip (10).

6. The independent height adjuster structure for a lawnmower according to claim 1, characterized in that: The bottom end of the mounting strip (1) is equipped with a first buffer plate (11), the bottom end of the first buffer plate (11) is provided with a rubber buffer part (12), and the bottom end of the rubber buffer part (12) is provided with a mounting panel (13).