Portable mini-tiller

Abstract

The utility model discloses a portable mini-tiller which comprises a rack, a rotary tillage frame and a handrail, the rack is fixedly connected with the rotary tillage frame, the top of the rotary tillage frame is rotatably connected with a connecting frame, a fixing assembly used for fixing the connecting frame and the handrail is arranged between the connecting frame and the handrail, the outer surface wall of the rotary tillage frame is fixedly connected with an outer frame and a protruding plate, and the protruding plate is fixedly connected with the outer frame. And a transmission rod is rotationally connected between the vertical end of the outer frame and the convex plate. In the application, the locking rod is rotated to be separated from the screw hole at the initial position, the sliding seat is pulled, the sliding seat slides on the inner surface wall of the connecting frame until the proper screw hole corresponds to the locking rod, and the locking rod is rotated to be combined with the screw hole at the position, so that the connecting frame and the sliding seat are fixed again, and the distance between the handrail and the rotary tillage frame is adjusted; the deflection angle of the handrail and the distance between the handrail and the rotary tillage frame are conveniently adjusted, and therefore the using effect of the rotary cultivator is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of micro-tillage machines, in particular to a portable micro-tillage machine. Background Art

[0002] The micro-tillage machine is powered by a small diesel engine or gasoline engine, and has the characteristics of light weight, small size, simple structure, etc. The micro-tillage machine is widely used in dry land, paddy fields, orchards, etc. in plains, mountainous areas, and hills. Equipped with corresponding equipment, it can be used for pumping, power generation, spraying, and spraying. It can also be used to tow a trailer for short-distance transportation. The micro-tillage machine can travel freely in the field, which is convenient for users to use and store, eliminating the trouble that large agricultural machinery cannot enter the fields in mountainous areas. It is the best choice for farmers and consumers to replace cattle plowing.

[0003] Chinese patent publication number CN219181996U, publication time 20230616, discloses a micro-tiller with a resistance wheel, including a main transmission, a power system arranged at the front of the main transmission, an operating tool or a walking wheel arranged at the bottom of the main transmission, and an armrest fixedly connected to the main transmission, the power system is transmission-connected to the main transmission, the operating tool or the walking wheel is driven by the main transmission, the rear of the main transmission is hinged with a transmission box that can swing up and down, the transmission box is equipped with a resistance wheel with an axis extending in the left and right directions, the resistance wheel has a plurality of radially extending resistance rods, and an adjustment structure for adjusting the up and down swinging position of the transmission box is also provided between the main transmission and the transmission box.

[0004] The main body of the existing micro-tillage machines such as the above-mentioned ones is mostly composed of a frame, a diesel engine and an armrest assembly. In the specific implementation process, the existing armrests are mostly directly fixed on the frame, and the angle between the armrest and the frame is relatively fixed, which cannot meet the needs of operators of different heights. Therefore, it is urgent to propose a corresponding convenient micro-tillage machine to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a portable micro-tillage machine in order to solve the above problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A portable micro-tillage machine comprises a frame, a rotary tillage frame and an armrest, wherein the frame is fixedly connected to the rotary tillage frame, a connecting frame is rotatably connected to the top of the rotary tillage frame, a fixing component for fixing the connecting frame and the armrest is arranged between the connecting frame and the armrest, an outer wall of the rotary tillage frame is fixedly connected to an outer frame and a convex plate, a transmission rod is rotatably connected between the vertical end of the outer frame and the convex plate, and a pushing component for axially pushing the connecting frame is arranged on the outer wall of the transmission rod.

[0008] Preferably, the pushing assembly includes a screw seat screwed together with the outer wall of the transmission rod, a push rod is screwed together with the top of the screw seat, and an open end of the push rod is screwed together with the outer wall of the connecting frame.

[0009] Preferably, the transmission rod comprises a threaded section and a smooth section, one end of the transmission rod is rotatably connected to the convex plate via a bearing, and the outer surface wall of the smooth section abuts against the inner surface wall of the vertical end of the outer frame.

[0010] Preferably, a sliding block is fixedly connected to the bottom of the screw seat, and the sliding block is slidably connected to the top of the horizontal end of the outer frame through a horizontally arranged sliding groove.

[0011] Preferably, the inner surface wall of the vertical end of the outer frame is screwed and connected to a limit rod, and the open end of the limit rod abuts against the outer surface wall of the smooth section.

[0012] Preferably, the fixing assembly includes a sliding seat fixedly connected to the armrest, the outer wall of the sliding seat is slidably connected to the inner wall of the connecting frame, the inner wall of the connecting frame is screwed with a locking rod, and the locking rod is screwed with the inner wall of the sliding seat through a screw hole, and the screw holes are provided in multiple groups, and the multiple groups of screw holes are linearly equidistantly distributed.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] The locking rod is rotated to disengage the screw hole in the initial position, and the sliding seat is pulled, so that the sliding seat slides with the inner wall of the connecting frame until the appropriate screw hole corresponds to the locking rod. The locking rod is rotated to combine with the screw hole in this position, so that the connecting frame and the sliding seat are fixed again, so as to realize the adjustment of the distance between the handrail and the rotary tillage frame, and realize the convenient adjustment of the deflection angle of the handrail and the distance between the handrail and the rotary tillage frame, thereby improving the use effect of the rotary tiller.

[0015] 2. In the present application, by rotating the limit rod, the limit rod and the inner surface wall of the vertical end of the outer frame are screwed together until the open end of the limit rod abuts against the outer surface wall of the transmission rod. At this time, the friction force generated between the limit rod and the transmission rod can limit the axial self-deflection of the transmission rod, thereby improving the stability of the portable micro-tillage machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure schematic diagram provided according to the embodiment of the utility model is shown;

[0017] Figure 2 A schematic diagram of the structure of a transmission rod provided according to an embodiment of the utility model is shown;

[0018] Figure 3 A schematic diagram of the limit rod structure provided according to an embodiment of the utility model is shown;

[0019] Figure 4 A schematic diagram of a screw hole structure provided according to an embodiment of the utility model is shown.

[0020] Legend:

[0021] 1. Frame; 2. Rotary tillage frame; 3. Connecting frame; 4. Sliding seat; 5. Handrail; 6. Locking rod; 7. Transmission rod; 8. Push rod; 9. Screw seat; 10. Limit rod; 11. Convex plate; 12. External frame; 13. Screw hole. DETAILED DESCRIPTION

[0022] 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 of 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.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A portable micro-tillage machine comprises a frame 1, a rotary tillage frame 2 and a handrail 5, wherein the frame 1 is fixedly connected to the rotary tillage frame 2, a connecting frame 3 is rotatably connected to the top of the rotary tillage frame 2, a fixing assembly for fixing the connecting frame 3 and the handrail 5 is arranged between the connecting frame 3 and the handrail 5, an outer wall of the rotary tillage frame 2 is fixedly connected to an outer frame 12 and a convex plate 11, a transmission rod 7 is rotatably connected between the vertical end of the outer frame 12 and the convex plate 11, and a pushing assembly for axially pushing the connecting frame 3 is arranged on the outer wall of the transmission rod 7;

[0025] The transmission rod 7 is driven to rotate by the turning handle, and the transmission rod 7 drives the screw seat 9 to move by screwing with the screw seat 9. The two ends of the push rod 8 are respectively matched with the screw seat 9 and the outer wall of the connecting frame 3, and the push rod 8 changes shape at the same time. The push rod 8 will push the connecting frame 3 to deflect with the rotating shaft as the axis until the deflection angle of the armrest 5 compared with the frame 1 reaches the required value, and the rotation of the transmission rod 7 is stopped, so as to achieve the angle adjustment of the armrest 5, and the locking rod 6 is rotated to make it disengage from the screw hole 13 in the initial position, and the sliding seat 4 is pulled. The sliding seat 4 slides with the inner wall of the connecting frame 3 until the appropriate screw hole 13 corresponds to the locking rod 6, and the locking rod 6 is rotated to make it combine with the screw hole 13 at this position, so as to achieve the re-fixation of the connecting frame 3 and the sliding seat 4, so as to achieve the spacing adjustment between the armrest 5 and the rotary tillage frame 2, and realize the convenient adjustment of the deflection angle of the armrest 5 and the spacing between the rotary tillage frame 2, thereby improving the use effect of the rotary tiller.

[0026] Specifically, Figure 2 and Figure 4 As shown, the pushing assembly includes a screw seat 9 screwed together with the outer wall of the transmission rod 7, a push rod 8 screwed together with the top of the screw seat 9, an open end of the push rod 8 screwed together with the outer wall of the connecting frame 3, two ends of the push rod 8 respectively cooperate with the screw seat 9 and the outer wall of the connecting frame 3, and the push rod 8 changes shape at the same time. The push rod 8 will push the connecting frame 3 to deflect around the rotating shaft. The transmission rod 7 includes a threaded section and a smooth section. One end of the transmission rod 7 is rotatably connected to the convex plate 11 through a bearing, and the outer wall of the smooth section abuts against the inner wall of the vertical end of the outer frame 12. A slider is fixedly connected to the bottom of the screw seat 9, and the slider is slidably connected to the top of the horizontal end of the outer frame 12 through a horizontally arranged slide groove, which is not specifically shown in the figure, so as to reduce the axial stress of the screw seat 9.

[0027] Specifically, Figure 2 and Figure 3 As shown, the inner wall of the vertical end of the outer frame 12 is screwed together with the limit rod 10, and the open end of the limit rod 10 abuts against the outer wall of the smooth section. By rotating the limit rod 10, the limit rod 10 and the inner wall of the vertical end of the outer frame 12 are screwed together until the open end of the limit rod 10 abuts against the outer wall of the transmission rod 7. At this time, the friction force generated between the limit rod 10 and the transmission rod 7 can limit the axial self-deflection of the transmission rod 7, thereby improving the stability of the portable micro-tillage machine.

[0028] Specifically, Figure 1 and Figure 2As shown, the fixing assembly includes a sliding seat 4 fixedly connected to the armrest 5, the outer wall of the sliding seat 4 is slidably connected to the inner wall of the connecting frame 3, the inner wall of the connecting frame 3 is screwed with a locking rod 6, the locking rod 6 is screwed with the inner wall of the sliding seat 4 through a screw hole 13, there are multiple groups of screw holes 13, and the multiple groups of screw holes 13 are linearly equidistantly distributed, the locking rod 6 is rotated to disengage the screw holes 13 in the initial position, the sliding seat 4 is pulled, the sliding seat 4 slides with the inner wall of the connecting frame 3 until the appropriate screw hole 13 corresponds to the locking rod 6, the locking rod 6 is rotated to combine with the screw hole 13 at this position, the connecting frame 3 and the sliding seat 4 are fixed again, so as to adjust the distance between the armrest 5 and the rotary tillage frame 2.

[0029] Working principle: The transmission rod 7 is driven to rotate by the turning handle, and the transmission rod 7 drives the screw seat 9 to move by screwing with the screw seat 9. The two ends of the push rod 8 are respectively matched with the screw seat 9 and the outer wall of the connecting frame 3, and the push rod 8 changes shape at the same time. The push rod 8 will push the connecting frame 3 to deflect with the rotating shaft as the axis until the deflection angle of the armrest 5 compared to the frame 1 reaches the required angle, and then the rotation of the transmission rod 7 is stopped to achieve the angle adjustment of the armrest 5, and the locking rod 6 is rotated to disengage the screw hole 13 in the initial position, and the sliding seat 4 is pulled, and the sliding seat 4 slides with the inner wall of the connecting frame 3 until the appropriate screw hole 13 corresponds to the locking rod 6 , rotate the locking rod 6 to make it engage with the screw hole 13 at this position, so as to re-fix the connecting frame 3 and the sliding seat 4, thereby realizing the adjustment of the distance between the armrest 5 and the rotary tillage frame 2, and realizing the convenient adjustment of the deflection angle of the armrest 5 and the distance between the armrest 5 and the rotary tillage frame 2, thereby improving the use effect of the rotary tiller, by rotating the limit rod 10, the limit rod 10 and the inner surface wall of the vertical end of the outer frame 12 are screwed together until the open end of the limit rod 10 abuts against the outer wall of the transmission rod 7. At this time, the friction force generated between the limit rod 10 and the transmission rod 7 can limit the axial self-deflection of the transmission rod 7, thereby improving the stability of the portable micro-tillage machine.

[0030] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable micro-tillage machine, comprising a frame (1), a rotary tillage frame (2) and an armrest (5), characterized in that: The frame (1) is fixedly connected to the rotary tillage frame (2); the top of the rotary tillage frame (2) is rotatably connected to a connecting frame (3); a fixing assembly for fixing the connecting frame (3) and the handrail (5) is provided between the connecting frame (3) and the handrail (5); an outer wall of the rotary tillage frame (2) is fixedly connected to an outer frame (12) and a convex plate (11); a transmission rod (7) is rotatably connected between the vertical end of the outer frame (12) and the convex plate (11); and the outer wall of the transmission rod (7) is provided with a A pushing component is provided for axially pushing the connecting frame (3), the pushing component comprising a screw seat (9) screwedly connected to the outer wall of a transmission rod (7), a push rod (8) screwedly connected to the top of the screw seat (9), an open end of the push rod (8) screwedly connected to the outer wall of the connecting frame (3), the transmission rod (7) comprising a threaded section and a smooth section, one end of the transmission rod (7) is rotatably connected to a convex plate (11) via a bearing, and the outer wall of the smooth section abuts against the inner wall of the vertical end of the outer frame (12).

2. A portable micro-tillage machine according to claim 1, characterized in that: The bottom of the screw seat (9) is fixedly connected with a sliding block, and the sliding block is slidably connected to the top of the horizontal end of the outer frame (12) through a horizontally arranged sliding groove.

3. A portable micro-tillage machine according to claim 2, characterized in that: The inner surface wall of the vertical end of the outer frame (12) is screwed together with a limit rod (10), and the open end of the limit rod (10) abuts against the outer surface wall of the smooth section.

4. A portable micro-tillage machine according to claim 3, characterized in that: The fixing assembly comprises a sliding seat (4) fixedly connected to the handrail (5); the outer wall of the sliding seat (4) is slidably connected to the inner wall of the connecting frame (3); the inner wall of the connecting frame (3) is screwed with a locking rod (6); the locking rod (6) is screwed with the inner wall of the sliding seat (4) through a screw hole (13); a plurality of groups of the screw holes (13) are provided, and the plurality of groups of the screw holes (13) are linearly and equidistantly distributed.

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