Weeding machine with adjustable handle

By introducing a servo motor and screw-driven adjustment frame into the weeder, combined with movable holes, bumps and groove technologies, flexible adjustment of the weeding depth is achieved; at the same time, through the telescopic grooves and positioning hole positioning bolt technology, the use length of the handle is adjusted, solving the problems of inflexible depth and inconvenient use of the existing weeder, and improving the practicality of the weeder.

CN222897645UActive Publication Date: 2025-05-27WUHAN HUALI ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202422013520.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-05-27
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

Existing weeders cannot adjust the ground clearance of the cutter plate, resulting in inflexible weeding depth and the length of the handle is unadjustable, making it inconvenient to use.

Method used

A hand-adjustable weeder is designed, using a servo motor and a screw drive adjustment frame for up and down adjustment. The cutter plate rotates synchronously with the rotation shaft through movable holes, bumps and grooves to achieve adjustment of the weeding depth; at the same time, the length of the handle is adjusted through the telescopic grooves and positioning holes.

Benefits of technology

It realizes flexible adjustment of the weeding depth, improves the practicality of the weeder, and facilitates control and use of the weeder through the adjustment of the handle length.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of weeding machines, and discloses a weeding machine with an adjustable handle, which comprises a machine body, an adjusting frame positioned in the machine body and a movable handle positioned on one side of the machine body, the adjusting frame comprises an empty slot arranged on one side in the adjusting frame, and a plurality of groups of universal balls are arranged at the top end and the bottom end in the empty slot; the servo motor is arranged at one end of the top of the machine body, the output end of the servo motor is connected with a screw penetrating into the adjusting frame, and a cutter head is arranged at the position, located in the empty groove, of one side in the machine body. The cutter head and the rotating shaft can move up and down through the movable hole, the protruding block and the groove, the rotating shaft and the cutter head are controlled to rotate synchronously, the cutter head can be installed in the adjusting frame through the empty groove and the universal ball, the adjusting frame can be adjusted up and down through the servo motor and the screw rod, and the cutter head can be adjusted conveniently. The adjusting frame can drive the cutter head to be adjusted up and down, so that the weeding depth is adjusted, and the practicability of the weeding machine is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of weeders, in particular to a weeder with an adjustable handle. Background Technique

[0002] A lawn mower is a mechanical tool used for trimming lawns, vegetation, etc. It consists of a cutter head, an engine, walking wheels, a walking mechanism, blades, a handrail, and a control part.

[0003] The application number CN202410551631.6 discloses a weeding device for green belts, which includes a weeding machine main body, a cutter head, a first grass gathering component, a second grass gathering component, and a cleaning mechanism; the cutter head is rotatably installed at the lower part of the front side of the weeding machine main body, and a plurality of blades are evenly distributed on the outer circumference of the cutter head... It solves the problems of poor trimming effect and non - collection of weeds in the prior art; the weeds are moved towards the column by the reciprocating forward and backward movement of the column; it is convenient to collect the weeds and further improves the weeding efficiency; this kind of weeding machine cannot adjust the ground clearance of the cutter head, so it is not convenient to retain the grass roots at different depths, resulting in low practicability of the weeding machine, and it cannot adjust the use length of the handle, making it inconvenient to use the weeding machine. Content of the Utility Model

[0004] The purpose of the utility model is to provide a weeder with an adjustable handle to solve the problems put forward in the above - mentioned background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A weeder with an adjustable handle, including a machine body, an adjustment frame located inside the machine body, and a movable handle located on one side of the machine body. The adjustment frame includes:

[0006] An empty slot provided on one side inside the adjustment frame, and multiple groups of universal ball bearings are provided at the top and bottom inside the empty slot;

[0007] A servo motor provided at one end of the top of the machine body, and the output end of the servo motor is connected with a screw rod penetrating into the adjustment frame.

[0008] Preferably, a cutter head is provided at the position of the empty slot on one side inside the machine body. An activity hole is provided inside the cutter head. A rotation motor is installed on one side of the machine body near the cutter head. The output end of the rotation motor is provided with a connecting head. The bottom end of the connecting head is provided with a rotating shaft penetrating into the activity hole. Multiple groups of grooves are provided at the top of the outer side of the rotating shaft, and multiple groups of convex blocks are provided on the inner side of the activity hole.

[0009] Preferably, moving wheels are provided at both ends of the body. A universal wheel is provided on one side of the bottom of the body near the movable handle. An adjusting handle is provided at the end of the movable handle away from the body. Multiple positioning holes are provided at both ends of the outer side of the movable handle. Positioning bolts penetrating into the positioning holes are provided at both ends of the outer side of the adjusting handle.

[0010] Preferably, a limiting hole is provided at one end of the adjusting frame away from the screw rod. A limiting rod penetrating into the limiting hole is provided at one end inside the body.

[0011] Preferably, a bearing is provided at the bottom end inside the body, and the bottom end of the screw rod penetrates into the bearing. A threaded hole matching the screw rod is provided at the other end inside the adjusting frame.

[0012] Preferably, the output end of the rotating motor is connected with a rotating shaft. The connecting head is in transmission connection with the rotating motor through the rotating shaft. Mounting holes are provided at the top end of the outer side of the rotating shaft. Mounting bolts penetrating into the mounting holes are provided on the outer side of the connecting head.

[0013] Preferably, the cutter head is movably connected with the rotating shaft through a movable hole. A through hole is provided on one side of the bottom of the body. The rotating shaft is detachably connected with the body through the through hole.

[0014] Preferably, the groove is engaged with the convex block. The convex block is movably connected with the rotating shaft through the groove. The rotating motor is detachably connected with the body through a fixing bolt.

[0015] Preferably, mounting shafts are provided at the bottoms of both ends of the body, and the mounting shafts are connected with the moving wheels. A rotating hole is provided on one side inside the body. The movable handle is rotatably connected with the body through the rotating hole.

[0016] Preferably, telescopic grooves are provided at both ends inside the adjusting handle. The adjusting handle is movably connected with the movable handle through the telescopic grooves. Threaded holes matching the positioning bolts are provided at both ends of the outer side of the adjusting handle.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] 1. Through the movable hole, the convex block and the groove, the cutter head and the rotating shaft of the present utility model can move up and down, and the rotation between the rotating shaft and the cutter head is synchronized. The cutter head can be installed inside the adjusting frame through the empty groove and the universal ball. The adjusting frame can be adjusted up and down through the servo motor and the screw rod, so that the adjusting frame drives the cutter head to be adjusted up and down, thereby adjusting the weeding depth and improving the practicability of the weeding machine.

[0019] 2. The utility model can enable telescopic adjustment between the adjusting handle and the movable handle through the telescopic groove, and can limit the adjusting handle and the movable handle through the positioning holes and positioning bolts, so that the use length of the handle can be adjusted. And through the rotation holes, the movable handle can rotate relative to the machine body, and the inclination angles of the adjusting handle and the movable handle can be adjusted, which is convenient for controlling the use of the weeding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. In all the drawings, similar elements or parts are generally denoted by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to actual scale.

[0021] Figure 1 It is a schematic structural diagram of the utility model.

[0022] Figure 2 It is a cross-sectional view of the utility model.

[0023] Figure 3 It is a schematic internal structure diagram of the utility model.

[0024] In the figure: 1. Machine body; 101. Moving wheels; 102. Universal wheels; 2. Adjusting frame; 201. Empty groove; 202. Universal balls; 203. Servo motor; 204. Screw; 205. Cutter head; 206. Movable hole; 207. Rotating motor; 208. Connector; 209. Rotating shaft; 210. Groove; 211. Convex block; 3. Movable handle; 301. Adjusting handle; 302. Positioning holes; 303. Positioning bolts. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] In order to make the technical means, creative features, achieved purposes and effects of the utility model easy to understand, the following further elaborates the utility model in conjunction with specific embodiments.

[0026] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1-3 , an embodiment of a weeding machine with an adjustable handle provided by the present utility model: a weeding machine with an adjustable handle includes a machine body 1, an adjustment frame 2 located inside the machine body 1, and a movable handle 3 located on one side of the machine body 1. The adjustment frame 2 includes: an empty slot 201 provided on one side inside the adjustment frame 2, and multiple groups of universal balls 202 are provided at the top and bottom inside the empty slot 201. The friction between the cutter head 205 and the empty slot 201 can be reduced through the universal balls 202, making the rotation of the cutter head 205 more stable; a servo motor 203 is provided at one end of the top of the machine body 1, and the output end of the servo motor 203 is connected with a screw rod 204 penetrating into the adjustment frame 2. The servo motor 203 can drive the screw rod 204 to rotate, realizing the up and down adjustment of the adjustment frame 2, and the up and down adjustment of the cutter head 2052 can be carried out, so as to adjust the weeding depth.

[0030] Please pay special attention to Figure 1 and Figure 3, on one side inside the body 1 at the position of the empty slot 201, a cutter head 205 is provided. Inside the cutter head 205, a movable hole 206 is provided. Through the movable hole 206, the cutter head 205 can be adjusted up and down with respect to the rotating shaft 209. On one side of the top of the body 1 near the cutter head 205, a rotating motor 207 is installed. At the output end of the rotating motor 207, a connector 208 is provided. Through the rotating motor 207, the connector 208 can be driven to rotate. At the bottom end of the connector 208, a rotating shaft 209 that penetrates into the inside of the movable hole 206 is provided. At the top end of the outer side of the rotating shaft 209, multiple groups of grooves 210 are provided. On the inner side of the movable hole 206, multiple groups of protrusions 211 are provided. Through the mutual engagement of the grooves 210 and the protrusions 211, a limiting effect is achieved, and the synchronous rotation between the rotating shaft 209 and the cutter head 205 can be maintained. At both ends of the body 1, moving wheels 101 are provided. On one side of the bottom of the body 1 near the movable handle 3, a universal wheel 102 is provided, which is convenient for moving and using the weeding machine. At the end of the movable handle 3 away from the body 1, an adjusting handle 301 is provided. At both ends of the outer side of the movable handle 3, multiple groups of positioning holes 302 are provided. At both ends of the outer side of the adjusting handle 301, positioning bolts 303 that penetrate into the inside of the positioning holes 302 are provided. Through the positioning holes 302 and the positioning bolts 303, the adjusting handle 301 and the movable handle 3 can be limited, so that the use length of the handle can be adjusted, which is convenient for controlling and using the weeding machine.

[0031] Please refer particularly to Figure 2 and Figure 3 , at one end inside the adjusting frame 2 away from the screw 204, a limiting hole is provided. At one end inside the body 1, a limiting rod that penetrates into the inside of the limiting hole is provided. Through the limiting rod, the up and down adjustment of the adjusting plate 2 is made more stable. At the bottom end inside the body 1, a bearing is provided, and the bottom end of the screw 204 penetrates into the inside of the bearing, realizing more stable rotation of the screw 204. At the other end inside the adjusting frame 2, a threaded hole matching the screw 204 is provided, achieving a limiting and adjusting effect, realizing the up and down adjustment of the adjusting frame 2, and thus the up and down adjustment of the cutter head 205, and realizing the adjustment of the ground clearance of the cutter head 205.

[0032] Please refer particularly to Figure 1 and Figure 3The output end of the rotating motor 207 is connected with a rotating shaft, and the connector 208 is connected to the rotating motor 207 through the rotating shaft, so that the rotating motor 207 can drive the connector 208 to rotate, providing power for the rotation of the cutter head 205. The top of the outer side of the rotating shaft 209 is provided with a mounting hole, and the bottom end of the connector 208 is provided with a connecting groove. The top end of the rotating shaft 209 can be installed on the bottom end of the shaft connector 208 through the connecting groove. The outer side of the connector 208 is provided with a mounting bolt that penetrates into the mounting hole. Through the mounting hole and The mounting bolt can be used to fix the rotating shaft 209 and the connector 208. The cutter head 205 is movably connected to the rotating shaft 209 through the movable hole 206, so that the cutter head 205 and the rotating shaft 209 can be moved up and down. A through hole is provided on one side of the bottom of the body 1. The rotating shaft 209 is detachably connected to the body 1 through the through hole. The rotation of the rotating shaft 209 is more stable through the through hole. The groove 210 is engaged with the protrusion 211. The protrusion 211 is movably connected to the rotating shaft 209 through the groove 210, which plays a limiting role. The rotating shaft 209 and the blade disc 205 can rotate synchronously, and the rotating motor 207 is detachably connected to the machine body 1 through the fixing bolts to realize the fixed installation of the rotating motor 207. The bottoms of both ends of the machine body 1 are provided with mounting shafts, and the mounting shafts are connected to the moving wheel 101. A rotating hole is provided on one side of the inside of the machine body 1, and the movable handle 3 is rotatably connected to the machine body 1 through the rotating hole. The movable handle 3 and the machine body 1 can be rotated and adjusted through the movable hole. The outer side of the movable handle 3 is provided with limited The adjusting handle 301 is provided with a telescopic groove at both ends thereof, and the adjusting handle 301 is movably connected to the movable handle 3 via the telescopic groove, so that the adjusting handle 301 and the movable handle 3 can be telescopically adjusted to adjust the usable length of the handle, and the adjusting handle 301 is provided with threaded holes matching the positioning bolt 303 at both ends thereof on the outside, so that the positioning bolt 303 can be adjusted to the inside of the positioning hole 302, and the adjusting handle 301 and the movable handle 3 can be limited by the positioning hole 302 and the positioning bolt 303.

[0033] Working principle: Before the use of the utility model, the rotation adjustment can be carried out between the movable handle 3 and the machine body 1 through the rotation hole, so that the inclination angles of the movable handle 3 and the adjustment handle 301 can be adjusted. The telescopic adjustment can be carried out between the adjustment handle 301 and the movable handle 3 through the telescopic groove. Then, use a wrench to adjust the positioning bolt 303 and adjust the positioning bolt 303 into the positioning hole 302. The positioning bolt 303 and the positioning hole 302 can limit between the adjustment handle 301 and the movable handle 3, so that the lengths of the adjustment handle 301 and the movable handle 3 can be adjusted and used. The weeding machine can be moved through the moving wheels 101 and the universal wheels 102. Remove the rotating shaft 209, place the cutter disc 205 inside the empty slot 201, and then install the rotating shaft 209 through to the inside of the moving hole 206. The top end of the rotating shaft 209 is clamped into the inside of the connecting slot, and the rotating shaft 209 and the connecting head 208 are connected through the installation hole and the installation bolt, which is convenient for replacing the cutter disc 205. During use, connect the power supply. The servo motor 203 can drive the screw rod 204 to rotate. The screw rod 204 cooperates with the threaded hole inside the adjusting frame 2, so that the adjusting frame 2 can drive the cutter disc 205 to move up and down. The cutter disc 205 can move up and down outside the rotating shaft 209 through the moving hole 206, and the cutter disc 205 and the rotating shaft 209 can be limited through the mutual engagement of the groove 210 and the convex block 211, so that the rotating shaft 209 and the cutter disc 205 can rotate synchronously. The rotating motor 207 drives the rotating shaft 209 to rotate, and the rotating rotating shaft 209 drives the cutter disc 205 to rotate. The universal ball 202 inside the empty slot 201 makes the rotation of the cutter disc 205 more stable, which is convenient for cleaning weeds.

[0034] The above are only the embodiments of the utility model. The specific structures and characteristics and other common knowledge in the solution are not described in detail here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A weeder with an adjustable handle, characterized in that: The invention comprises a machine body (1), an adjustment frame (2) located inside the machine body (1), and a movable handle (3) located on one side of the machine body (1), wherein the adjustment frame (2) comprises: An empty slot (201) is arranged on one side of the inside of the adjustment frame (2), and a plurality of sets of universal balls (202) are arranged at the top and bottom of the inside of the empty slot (201); A servo motor (203) is arranged at one end of the top of the machine body (1), and an output end of the servo motor (203) is connected to a screw rod (204) that penetrates into the interior of the adjustment frame (2).

2. A weeder with an adjustable handle according to claim 1, characterized in that: A blade disc (205) is arranged at a position of the empty slot (201) on one side of the interior of the machine body (1), and a movable hole (206) is arranged inside the blade disc (205). A rotating motor (207) is installed on a side of the top of the machine body (1) close to the blade disc (205), and a connector (208) is arranged at the output end of the rotating motor (207). A rotating shaft (209) penetrating into the movable hole (206) is arranged at the bottom end of the connector (208), and a plurality of groups of grooves (210) are arranged at the top end of the outer side of the rotating shaft (209), and a plurality of groups of protrusions (211) are arranged on the inner side of the movable hole (206).

3. A weeder with an adjustable handle according to claim 1, characterized in that: Both ends of the body (1) are provided with movable wheels (101); a universal wheel (102) is provided on the side of the bottom of the body (1) close to the movable handle (3); an adjustment handle (301) is provided on the end of the movable handle (3) away from the body (1); a plurality of positioning holes (302) are provided at both ends of the outer side of the movable handle (3); and positioning bolts (303) are provided at both ends of the outer side of the adjustment handle (301) and penetrate into the positioning holes (302).

4. A weeder with an adjustable handle according to claim 1, characterized in that: A limiting hole is provided at one end of the adjusting frame (2) away from the screw rod (204), and a limiting rod is provided at one end of the machine body (1) that penetrates into the limiting hole.

5. The weeder with an adjustable handle according to claim 1, characterized in that: A bearing is arranged at the bottom end of the machine body (1), and the bottom end of the screw rod (204) penetrates into the bearing. A threaded hole matching the screw rod (204) is arranged at the other end of the adjusting frame (2).

6. A weeder with an adjustable handle according to claim 2, characterized in that: The output end of the rotating motor (207) is connected to a rotating shaft, the connecting head (208) is transmission-connected to the rotating motor (207) via the rotating shaft, a mounting hole is provided at the top end of the outer side of the rotating shaft (209), and a mounting bolt penetrating into the mounting hole is provided on the outer side of the connecting head (208).

7. The handlebar-adjustable weeder according to claim 2, characterized in that: The cutter disc (205) is movably connected to the rotating shaft (209) via a movable hole (206); a through hole is provided on one side of the bottom of the machine body (1); and the rotating shaft (209) is detachably connected to the machine body (1) via the through hole.

8. The handlebar-adjustable weeder according to claim 2, characterized in that: The groove (210) is engaged with the protrusion (211); the protrusion (211) is movably connected to the rotating shaft (209) via the groove (210); and the rotating motor (207) is detachably connected to the machine body (1) via a fixing bolt.

9. The handlebar-adjustable weeder according to claim 3, characterized in that: The bottoms of both ends of the machine body (1) are provided with mounting shafts, and the mounting shafts are connected to the moving wheels (101). A rotating hole is provided on one side inside the machine body (1), and the movable handle (3) is rotatably connected to the machine body (1) through the rotating hole.

10. The weeder with an adjustable handle according to claim 3, characterized in that: Both ends of the adjusting handle (301) are provided with telescopic grooves, and the adjusting handle (301) is movably connected to the movable handle (3) through the telescopic grooves. Both ends of the outer side of the adjusting handle (301) are provided with threaded holes matching the positioning bolts (303).

Citation Information

Patent Citations

  • Weeding device for green belt

    CN118120451B