Mini-tiller

Abstract

The utility model discloses a mini-tiller which comprises a handrail assembly connected with a mini-tiller body, the handrail assembly comprises a first handrail and a second handrail, the first handrail is fixed to the mini-tiller body, and the second handrail is connected with the first handrail through an adjusting limiting structure. The connecting angle between the second armrest and the first armrest is adjusted; the mini-tiller further comprises an auxiliary wheel assembly, and the auxiliary wheel assembly is connected with the mini-tiller body through an overturning structure so as to select whether the auxiliary wheel assembly is used or not. Compared with the prior art, the rotary cultivator has the advantages that the rotary cultivator is simple in structure and can adapt to the heights of various users, and the included angle between the first handrail and the second handrail can be selected according to the resistance of the land needing rotary cultivation so as to select a more labor-saving angle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural implements, and particularly relates to a mini-tiller. BACKGROUND

[0002] The rotary tiller is an indispensable part of modern agriculture. In the existing agricultural tiller, in order to achieve the effect of soil loosening, a rotary digging knife is usually arranged to first plow the soil, and then a soil crushing knife is used to crush the soil clods. Such an agricultural tiller has the following defects: 1. The handle height of the machine body is not adjustable, and it cannot be adapted to users of various heights, resulting in an increase in the force of the user pushing the mini-tiller and affecting the use efficiency; 2. Generally, the mini-tiller such as the prior art CN104350817B provides a "mini-tiller" with an auxiliary wheel, but the auxiliary wheel increases the rotary tillage resistance when not in use. Therefore, it is very important to obtain a mini-tiller that overcomes the above-mentioned defects. SUMMARY

[0003] To solve at least one of the above technical problems, the utility model provides a mini-tiller, which comprises a handrail assembly connected with a mini-tiller main body, the handrail assembly comprises a first handrail and a second handrail, the first handrail is fixed with the mini-tiller main body, the second handrail is connected with the first handrail through an adjusting limiting structure to adjust the connection angle between the second handrail and the first handrail; and further comprising an auxiliary wheel assembly, the auxiliary wheel assembly is connected with the mini-tiller main body through a turnover structure to select whether to use the auxiliary wheel assembly.

[0004] Through the above technical scheme, the adjusting limiting structure can adjust the angle between the second handrail and the first handrail, adjust the highest height of the second handrail, and adapt to a plurality of people.

[0005] The adjusting limiting structure comprises at least one limiting piece, the limiting piece is fixedly connected with the second handrail or the first handrail, the limiting piece is connected with the first handrail or the second handrail through a first rotating shaft, a plurality of adjusting holes are arranged on the limiting piece, a second shaft hole is formed in the first handrail or the second handrail, the second shaft hole is at least partially communicated with the at least one adjusting hole, and a fastener is inserted into the second shaft hole to limit the adjusting angle of the limiting piece.

[0006] A rotating groove is formed in the first handrail or the second handrail, and the second handrail or the first handrail at least partially forms the first rotating shaft and is rotatably arranged in the rotating groove. At least one side wall of the rotating groove forms an elastic arm structure to clamp the second handrail. The plurality of adjusting holes are communicated with each other, and the plurality of adjusting holes are arranged around the first rotating shaft. Further comprising a guard piece, a second shaft is formed in the limiting piece, a long hole is formed in the guard piece, the second shaft is arranged in the long hole, a through hole is further formed in the guard piece, and the fastener passes through the through hole.

[0007] The rotating groove is provided with a connecting piece extending from one side wall, the connecting piece is fixed with a cover, two extension walls are formed on the two sides of the cover, and the limiting pieces are arranged on the two sides of the first handrail respectively.

[0008] According to the technical scheme, the two connecting pieces are connected through the connecting part, the upper part of the connecting piece is formed as an arc-shaped structure, the arc-shaped structure is fixed with the second handrail, the second handrail is in a U shape, and the adjusting piece is provided with an arc surface on one side of the cover, the arc surface is bent with a bending arm, and the strength of the adjusting piece is increased.

[0009] The turnover structure comprises at least one turnover piece, the turnover piece is connected with the auxiliary wheel assembly, the turnover piece is rotationally connected with the micro tiller body through a third rotating shaft, a limiting pin is connected to the turnover piece, a first clamping groove and a second clamping groove are formed on the two sides of the third rotating shaft respectively, and the limiting pin is arranged in the first clamping groove or the second clamping groove to realize a use state and a folding state of the auxiliary wheel assembly.

[0010] The turnover piece is provided with a bending part, and the strength of the turnover piece is increased.

[0011] The turnover piece and the micro tiller body are connected with a spring, and the strength of the folding and use states is increased.

[0012] Compared with the prior art, the utility model has the advantages that the utility model has the advantages of simple structure, adaptability to heights of various users, and selection of an angle between the first handrail and the second handrail according to resistance of land to be rotated and cultivated to select a more labor-saving angle. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional Figure One ;

[0014] Figure 2 The utility model is a three-dimensional Figure Two ;

[0015] Figure 3 It is a three-dimensional view of the adjusting and limiting structure part.

[0016] Figure 4 It is a three-dimensional view of the turnover structure.

[0017] Figure 5 It is a side view of the auxiliary wheel assembly of the utility model after turnover.

[0018] REFERENCE SIGNS:

[0019] 101 first handrail; 102 second handrail;

[0020] 201 limiting piece; 202 first rotating shaft; 203 second shaft hole; 204 adjusting hole; 205 rotating groove; 206 elastic arm; 207 second shaft; 208 protection piece; 209 long hole; 210 through hole; 211 fastener; 212 cover; 213 connecting piece; 214 extension wall; 215 connecting part; 216 arc structure; 217 bending arm;

[0021] 3 auxiliary wheel assembly;

[0022] 401 turnover piece; 402 third rotating shaft; 403 limiting pin; 404 first clamping groove; 405 second clamping groove; 406 bending part; 407 spring. DETAILED DESCRIPTION

[0023] In order to make the person skilled in the art better understand the utility model, so that the scope of protection required by the utility model is more clearly limited, the utility model is described in detail below with some specific embodiments of the utility model. It should be noted that the following is only some specific embodiments of the concept of the utility model, and only a part of the embodiments of the utility model, and the specific and direct description of the related structure is only for the convenience of understanding the utility model, and each specific feature does not of course, directly limit the scope of the utility model.

[0024] Referring to the drawings, the utility model adopts the following technical scheme, a micro tiller, including with the handrail subassembly of micro tiller connection, the handrail subassembly includes first handrail 101 and second handrail 102, first handrail 101 with micro tiller body is fixed, second handrail 102 is connected with first handrail 101 through adjusting limiting structure to adjust the connection angle of second handrail 102 with first handrail 101, still including auxiliary wheel assembly 3, auxiliary wheel assembly 3 is connected with micro tiller body through turnover structure to select whether to use auxiliary wheel assembly 3. In other embodiments, no first handrail 101 can be set, that is, second handrail 102 is directly connected with micro tiller body through adjusting limiting structure.

[0025] Through the above technical scheme, the setting of adjusting limiting structure can adjust the angle between second handrail 102 and first handrail 101, adjust the highest height of second handrail 102, and adapt to a variety of people.

[0026] The adjusting limiting structure comprises at least one limiting piece 201 fixedly connected with the second handrail 102 or the first handrail 101, the limiting piece 201 being connected with the first handrail 101 or the second handrail 102 through a first rotating shaft 202, a plurality of adjusting holes 204 being arranged on the limiting piece 201, a second shaft 207 hole 203 being arranged on the first handrail 101 or the second handrail 102, the second shaft 207 hole 203 being at least partially communicated with the at least one adjusting hole 204, and a fastener 211 being inserted into the second shaft 207 hole 203 to limit the adjusting angle of the limiting piece 201.

[0027] The first handrail 101 or the second handrail 102 is provided with a rotating groove 205, and the second handrail 102 or the first handrail 101 at least partially forms the first rotating shaft 202 and is rotatably arranged in the rotating groove 205. At least one side wall of the rotating groove 205 forms an elastic arm 206 structure to clamp the second handrail 102. A plurality of adjusting holes 204 are communicated with each other, and the plurality of adjusting holes 204 are arranged with the first rotating shaft 202 as the center. Further comprising a guard 208, the limiting piece 201 is provided with a second shaft 207, the guard 208 is provided with a long hole 209, the second shaft 207 is arranged at the long hole 209, and the guard 208 is further provided with a through hole 210, and the fastener 211 passes through the through hole 210.

[0028] Further comprising a cover 212, one side wall of the rotating groove 205 extends a connecting piece 213, the connecting piece 213 is fixed with the cover 212, both sides of the cover 212 form an extension wall 214, the limiting piece 201 is provided with two and is arranged on both sides of the first handrail 101, and a covering structure is formed between the extension walls 214.

[0029] Through the above technical scheme, the two connecting pieces 213 are connected through a connecting part 215, an arc-shaped structure 216 is formed above the connecting piece 213, the arc-shaped structure 216 is fixed with the second handrail 102, wherein the second handrail 102 is U-shaped, an arc surface is arranged on one side of the adjusting piece of the cover 212, the arc surface is bent with a bending arm 217 to increase the strength of the overall adjusting piece.

[0030] In the present embodiment, the rotating groove 205 is arranged on the first handrail 101, and the first rotating shaft 202 is fixed with the rotating piece of the second handrail 102. In other embodiments, the rotating groove 205 can be arranged on the second handrail 102, and the first rotating shaft 202 is fixed on the first handrail 101.

[0031] The turnover structure comprises at least one turnover piece 401. The turnover piece 401 is connected with the auxiliary wheel assembly 3, and the turnover piece 401 is rotationally connected with the micro tiller body through a third rotating shaft 402. A limiting pin 403 is connected on the turnover piece 401. A first clamping groove 404 and a second clamping groove 405 are respectively formed on both sides of the third rotating shaft 402. The limiting pin 403 is arranged in the first clamping groove 404 or the second clamping groove 405 to realize a use state and a folding state of the auxiliary wheel assembly 3.

[0032] The turnover piece 401 is provided with a bending part 406, so that the strength of the overall turnover piece 401 is increased.

[0033] The turnover piece 401 and the micro tiller body are connected with a spring 407, so that the strength of the folding and use states is increased.

[0034] In the embodiment, the turnover piece 401 has two turnover pieces 401, and the two turnover pieces 401 are connected through the third rotating shaft 402. Or the two turnover pieces 401 are connected through the limiting pin 403.

[0035] For example, the micro tiller body comprises a frame, the first handrail 101 is fastened or welded on the frame through the fastener 211, and the turnover structure is also arranged on the frame.

[0036] Compared with the prior art, the utility model has the following advantages: the utility model has simple structure, can adapt to the heights of various users, and can select the included angle between the first handrail 101 and the second handrail 102 according to the resistance of the land to be rotated and cultivated to select a more labor-saving angle.

[0037] The technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will all fall within the protection scope of the utility model.

Claims

1. A micro-tillage machine, characterized in that: The invention comprises an armrest assembly connected to a micro-tiller body, wherein the armrest assembly comprises a second armrest (102), wherein the second armrest (102) is connected to the micro-tiller body via an adjustable limiting structure so as to adjust the connection angle between the second armrest (102) and the micro-tiller body; and an auxiliary wheel assembly (3), wherein the auxiliary wheel assembly (3) is connected to the micro-tiller body via a flip structure so as to select whether to use the auxiliary wheel assembly (3).

2. The micro-tillage machine according to claim 1, characterized in that: The armrest assembly further comprises a first armrest (101), wherein the first armrest (101) is connected to the micro-tillage machine body; an adjustment limit structure comprises at least one limit member (201), wherein the limit member (201) is fixedly connected to the second armrest (102) or the first armrest (101), and the limit member (201) is connected to the first armrest (101) or the second armrest (102) via a first rotating shaft (202); a plurality of adjustment holes (204) are provided on the limit member (201); a second shaft (207) hole (203) is provided on the first armrest (101) or the second armrest (102); the second shaft (207) hole (203) is at least partially connected to the at least one adjustment hole (204); a fastener (211) is inserted into the second shaft (207) hole (203) to limit the adjustment angle of the limit member (201).

3. The micro-tillage machine according to claim 2, characterized in that: A rotation groove (205) is provided on the first handrail (101) or the second handrail (102), and the second handrail (102) or the first handrail (101) at least partially forms the first rotating shaft (202) and is rotatably arranged in the rotation groove (205).

4. The micro-tillage machine according to claim 3, characterized in that: At least one side wall of the rotation groove (205) forms an elastic arm (206) structure for clamping the second armrest (102).

5. The micro-tillage machine according to claim 2, characterized in that: The plurality of adjustment holes (204) are connected to each other, and the plurality of adjustment holes (204) are arranged with the first rotating shaft (202) as the center of the circle.

6. The micro-tillage machine according to claim 2, characterized in that: The invention also includes a protective piece (208), wherein the limiting piece (201) is provided with a second shaft (207), the protective piece (208) is provided with a long hole (209), the second shaft (207) is arranged at the long hole (209), the protective piece (208) is further provided with a through hole (210), and the fastener (211) passes through the through hole (210).

7. The micro-tillage machine according to claim 3, characterized in that: The invention also includes a protective cover (212), a connecting piece (213) extending from one side wall of the rotating groove (205), the connecting piece (213) being fixed to the protective cover (212), and extending walls (214) being formed on both sides of the protective cover (212), two limiting members (201) being provided and respectively placed on both sides of the first armrest (101), and a covering structure being formed between the extending walls (214).

8. The micro-tillage machine according to claim 1, characterized in that: The flip structure comprises at least one flip member (401), the flip member (401) being connected to the auxiliary wheel assembly (3), the flip member (401) being rotatably connected to the micro-tillage machine body via a third rotating shaft (402), a limiting pin (403) being connected to the flip member (401), a first clamping slot (404) and a second clamping slot (405) being respectively formed on both sides of the third rotating shaft (402), and the limiting pin (403) being placed in the first clamping slot (404) or the second clamping slot (405) to realize the use state and the folding state of the auxiliary wheel assembly (3).

9. The micro-tillage machine according to claim 8, characterized in that: The flip member (401) is provided with a bending portion (406).

10. The micro-tillage machine according to claim 8, characterized in that: A spring (407) is connected between the flip member (401) and the micro-tillage machine body.

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