Handheld mower protection device

By designing handheld lawn mower protection devices, including protective cover, rotating blade, baffle, drive device and protection components, the problems of easy exposure of the cutter wheel and splashing of stones are solved, and the isolation protection and safety of the blade are improved.

CN223024994UActive Publication Date: 2025-06-27SUZHOU JINSHAN POWER TOOLS CO LTD
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Patent Information

Application Number
CN202422044061.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-06-27
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The knife plate of the handheld lawn mower is easily exposed after use and is not isolated and protected, which leads to easy damage. In addition, stones may splash during use, endangering the safety of the user.

Method used

A handheld lawn mower protection device is designed, including a protective cover, a rotating blade, a baffle, a drive device and a protective assembly. By setting up a baffle to prevent stones from splashing, the driving device drives the rotating blade to rotate, and the protection component isolates the blade to prevent damage after the blade is cut.

Benefits of technology

It effectively prevents the rotating blade from breaking after use, and prevents the stone from splashing through the baffle, improving the safety of use and making it more convenient to use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223024994U_ABST
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Abstract

The utility model discloses a handheld mower protection device which comprises a protection cover body and a rotary blade arranged in the protection cover body, and further comprises a baffle fixed to the upper end face of the protection cover body, a driving device fixed to the center of the upper end face of the protection cover body, and a protection assembly arranged under the rotary blade. According to the protective device for the handheld mower, after forage is cut, the clamping plate body can be inserted into the clamping groove body, meanwhile, the blocking cover body can be located under the protective cover body, then the threaded rod can be driven to rotate by rotating the rotating handle, and the protective cover body can be driven to rotate by rotating the rotating handle. Furthermore, the clamping plate body can move up and down in the linear direction of the sliding rod, and the blocking cover body can be pulled to move upwards, so that the blocking cover body is arranged outside the protective cover body in a sleeving manner, the rotary blade is isolated and protected, the rotary blade is prevented from being damaged by collision, and the use is more convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of lawn mowers, and particularly relates to a protection device for a handheld lawn mower. Background Technique

[0002] A lawn mower is also called a weeding machine, a grass cutting machine, a lawn trimmer, etc. A lawn mower is a mechanical tool used for trimming lawns, vegetation, etc. It is composed of a cutter head, an engine, walking wheels, a walking mechanism, blades, a handrail, and a control part. The cutter head is installed on the walking wheels, the engine is installed on the cutter head, the output shaft of the engine is equipped with blades, and the high-speed rotation of the blades greatly improves the speed, saving the working time of weeding workers and reducing a large amount of human resources.

[0003] A handheld lawn mower is a lawn mower with a light structure and convenient operation. However, after the handheld lawn mower is used, the cutter head will be exposed outside without isolation and protection, and it is easy to be damaged. Moreover, during the use process, stones may also splash, which is likely to accidentally injure the user. Therefore, we propose a protection device for a handheld lawn mower to solve this problem. Content of the Utility Model

[0004] The purpose of the utility model is to provide a protection device for a handheld lawn mower to solve the problem that the cutter head of the lawn mower is exposed outside without isolation and protection, and the cutter head is easy to be damaged as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A protection device for a handheld lawn mower, including a protective cover body and a rotary blade arranged inside the protective cover body, further including:

[0006] A baffle, fixed on the upper end surface of the protective cover body, used to prevent the splashing of stone particles;

[0007] A driving device, fixed at the central position on the upper end surface of the protective cover body, used to drive the rotary blade to rotate;

[0008] A protection component, arranged directly below the rotary blade, used to isolate and protect the rotary blade.

[0009] Preferably, the driving device includes a mounting circular plate, a driving motor, and a clamping groove body. The mounting circular plate is fixed at the central position on the upper end surface of the protective cover body, the driving motor is fixed at the central position on the upper end surface of the mounting circular plate, and the output end of the driving motor is fixedly connected to the rotary blade. The clamping groove body is opened on the outer wall of the mounting circular plate.

[0010] Preferably, the protection component includes a shielding cover body, a mounting plate body, a sliding rod, and a clamping plate body. The shielding cover body is sleeved outside the protective cover body. The mounting plate body is fixed at the edge position of the inner wall of the shielding cover body. The sliding rods are uniformly distributed and fixed on the upper end surface of the mounting plate body. The clamping plate body is slidably sleeved outside the sliding rod, and one side of the clamping plate body can be inserted into the clamping groove body.

[0011] Preferably, a fixing plate body is fixed on the upper end surface of the sliding rod. A threaded rod is rotatably connected between the fixing plate body and the mounting plate body, and the threaded rod is threadedly connected with the clamping plate body.

[0012] Preferably, a rotating handle is fixed at the top end of the threaded rod.

[0013] Preferably, an extension rod body is fixed on the outer wall of the mounting circular plate, and a holding handle is fixed at the end of the extension rod body away from the driving motor. A holding grip is fixed on one side of the outer wall of the extension rod body.

[0014] Preferably, a battery is fixed at the lower end of the outer wall of the extension rod body, and the battery is electrically connected to the driving motor.

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

[0016] 1. After the forage is cut, the clamping plate body can be inserted into the clamping groove body. At the same time, the shielding cover body can be located directly below the protective cover body. Then, by rotating the rotating handle, the threaded rod can be driven to rotate. Furthermore, the clamping plate body can move up and down along the linear direction of the sliding rod, and then the shielding cover body can be pulled upward to sleeve the shielding cover body outside the protective cover body, so as to realize the isolation and protection of the rotary blade, prevent the rotary blade from being damaged, and make the use more convenient.

[0017] 2. The baffle is fixed on the upper end surface of the protective cover body. The provided baffle can block during the process of stone splashing, prevent the stone from directly splashing onto the personnel and causing harm, and make the use safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model Figure 1 ;

[0019] Figure 2 is a schematic diagram of the overall structure of the present utility model Figure 2 ;

[0020] Figure 3 is a schematic diagram of the internal structure of the present utility model when viewed from below;

[0021] Figure 4 is a schematic diagram of the protection component of the present utility model when viewed from above.

[0022] In the figure: 1, protective cover body; 2, mounting circular plate; 3, drive motor; 4, rotary blade; 5, baffle; 6, extension rod body; 7, holding handle; 8, battery; 9, clamping groove body; 10, sealing cover body; 11, mounting plate body; 12, slide bar; 13, clamping plate body; 14, fixing plate body; 15, threaded rod; 16, rotary handle. Detailed implementation manner

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] Please refer to Figures 1-4 , the present invention provides a hand-held lawn mower protection device, including a protective cover body 1 and a rotary blade 4 disposed inside the protective cover body 1, and further including:

[0025] A baffle 5, fixed on the upper end surface of the protective cover body 1, for preventing stone particles from splashing. The provided baffle 5 can block during the process of stone splashing, and can prevent stones from directly splashing onto personnel and causing harm;

[0026] A driving device, fixed at the central position of the upper end surface of the protective cover body 1, for driving the rotary blade 4 to rotate. The driving device includes a mounting circular plate 2, a drive motor 3, and a clamping groove body 9. The mounting circular plate 2 is fixed at the central position of the upper end surface of the protective cover body 1, the drive motor 3 is fixed at the central position of the upper end surface of the mounting circular plate 2, and a fixed connection is provided between the output end of the drive motor 3 and the rotary blade 4. The clamping groove body 9 is opened on the outer wall of the mounting circular plate 2. The drive motor 3 can drive the rotary blade 4 to rotate, so that the rotary blade 4 can rotate inside the protective cover body 1. When the forage enters through the opening of the protective cover body 1, the rotary blade 4 can cut the forage, and the cut forage can adhere to the inner wall of the baffle 5 for subsequent pouring of the material. The provided clamping groove body 9 can cooperate with subsequent protection components for installation;

[0027] The protection component is arranged directly below the rotary blade 4 and is used for isolating and protecting the rotary blade 4. The protection component includes a blocking cover body 10, a mounting plate body 11, a sliding rod 12, and a clamping plate body 13. The blocking cover body 10 is sleeved outside the protective cover body 1. The mounting plate body 11 is fixed at the edge position of the inner wall of the blocking cover body 10. The sliding rods 12 are uniformly distributed and fixed on the upper end surface of the mounting plate body 11. The clamping plate body 13 is slidably sleeved outside the sliding rod 12, and one side of the clamping plate body 13 can be inserted into the clamping groove body 9. A fixing plate body 14 is fixed on the upper end surface of the sliding rod 12. A threaded rod 15 is rotatably connected between the fixing plate body 14 and the mounting plate body 11, and the threaded rod 15 is threadedly connected to the clamping plate body 13. The top end of the threaded rod 15 is fixed with a rotary handle 16. After the forage is cut, the clamping plate body 13 can be inserted into the clamping groove body 9. At the same time, the blocking cover body 10 can be located directly below the protective cover body 1. Then, by rotating the rotary handle 16, the threaded rod 15 can be driven to rotate. Further, the clamping plate body 13 can move up and down along the linear direction of the sliding rod 12. Further, the blocking cover body 10 can be pulled upward to sleeve the blocking cover body 10 outside the protective cover body 1, so as to isolate and protect the rotary blade 4 and prevent the rotary blade 4 from being damaged, which is more convenient to use. An extension rod body 6 is fixed on the outer wall of the mounting circular plate 2, and a holding handle is fixed at the end of the extension rod body 6 away from the drive motor 3. A holding handle 7 is fixed on one side of the outer wall of the extension rod body 6. The user can hold the holding handle with one hand and hold the holding handle 7 with the other hand to wave the extension rod body 6 to perform the mowing task, which is more convenient during the use process. A battery 8 is fixed at the lower end of the outer wall of the extension rod body 6, and the battery 8 is electrically connected to the drive motor 3. The provided battery 8 can supply power to the drive motor 3.

[0028] Working principle: First, the user can hold the holding handle with one hand and hold the holding handle 7 with the other hand to wave the extension rod body 6 to perform the mowing task, which is more convenient during the use process. A battery 8 is fixed at the lower end of the outer wall of the extension rod body 6, and the battery 8 is electrically connected to the drive motor 3. The provided battery 8 can supply power to the drive motor 3;

[0029] During use, the baffle 5 is fixed on the upper end surface of the protective cover body 1 and is used to prevent stone particles from splashing. The provided baffle 5 can block during the process of stone splashing and can prevent the stones from directly splashing on the personnel to cause harm, making it safer during use;

[0030] Moreover, after the forage is cut, the clamping plate body 13 can be inserted into the interior of the clamping groove body 9. At the same time, the shielding cover body 10 can be located directly below the protective cover body 1. Then, by rotating the rotary handle 16, the threaded rod 15 can be driven to rotate. Furthermore, the clamping plate body 13 can move up and down along the linear direction of the sliding rod 12, and then the shielding cover body 10 can be pulled upward to sleeved on the outside of the protective cover body 1, so as to isolate and protect the rotary blade 4 and prevent the rotary blade 4 from being damaged, making the use more convenient.

[0031] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A handheld lawn mower protection device, comprising a protective cover (1) and a rotating blade (4) arranged inside the protective cover (1), characterized in that: Said A baffle (5) is fixed to the upper end surface of the protective cover body (1) and is used to prevent stone particles from splashing; A driving device, fixed at the center of the upper end surface of the protective cover body (1), and used to drive the rotating blade (4) to rotate; The protection component is arranged directly below the rotating blade (4) and is used to isolate and protect the rotating blade (4).

2. A handheld lawn mower protection device according to claim 1, characterized in that: The driving device comprises a mounting circular plate (2), a driving motor (3), and a snap-in groove body (9); the mounting circular plate (2) is fixed at the central position of the upper end surface of the protective cover body (1); the driving motor (3) is fixed at the central position of the upper end surface of the mounting circular plate (2); the output end of the driving motor (3) is fixedly connected to the rotating blade (4); and the snap-in groove body (9) is provided on the outer wall of the mounting circular plate (2).

3. A handheld lawn mower protection device according to claim 1, characterized in that: The protection component comprises a blocking cover (10), a mounting plate (11), a sliding rod (12), and a snap-on plate (13); the blocking cover (10) is sleeved on the outside of the protection cover (1); the mounting plate (11) is fixed to the edge of the inner wall of the blocking cover (10); the sliding rod (12) is evenly distributed and fixed to the upper end surface of the mounting plate (11); the snap-on plate (13) is slidably sleeved on the outside of the sliding rod (12), and one side of the snap-on plate (13) can be inserted into the inside of the snap-on slot (9).

4. A handheld lawn mower protection device according to claim 3, characterized in that: A fixing plate (14) is fixed to the upper end surface of the slide rod (12), a threaded rod (15) is rotatably connected between the fixing plate (14) and the mounting plate (11), and the threaded rod (15) is threadedly connected to the clamping plate (13).

5. A handheld lawn mower protection device according to claim 4, characterized in that: A rotating handle (16) is fixed to the top end of the threaded rod (15).

6. A handheld lawn mower protection device according to claim 2, characterized in that: An extension rod body (6) is fixed to the outer wall of the mounting circular plate (2), and a gripping handle is fixed to one end of the extension rod body (6) away from the driving motor (3), and a gripping handle (7) is fixed to one side of the outer wall of the extension rod body (6).

7. A handheld lawn mower protection device according to claim 6, characterized in that: A battery (8) is fixed to the lower end of the outer wall of the extension rod (6), and the battery (8) is electrically connected to the drive motor (3).