Mini-tiller with resistance bar capable of being automatically retracted and released

Abstract

The utility model provides a mini-tiller with an automatically retractable resistance rod, which relates to the technical field of mini-tillers and comprises a mini-tiller body, a conveying box is mounted on the upper surface of the mini-tiller body, an armrest frame is mounted on the upper surface of the mini-tiller body, and a towing body is mounted on the rear surface of the mini-tiller body. When the mini-tiller is engaged with a reverse gear and moves backwards, due to the fact that the skewed slot has a lot of space on the rear side face of the resistance rod, when the resistance rod is subjected to resistance, the resistance rod can be pulled out of the rear side face of the resistance rod, and the resistance rod can be pulled out of the rear side face of the rear side face of the resistance rod to be pulled out of the rear side face of the rear side face of the rear side face of the rear side face of the rear side face of the rear side face. Due to the fact that the face, blocking the resistance rod, of the front end of the inclined groove is obliquely arranged, the resistance rod can swing in the direction close to the mini-tiller, and the problem that when the reverse gear is used, the resistance rod can be clamped in the ground, and potential safety hazards exist when the reverse gear is blocked is solved. After the improvement, when the mini-tiller retreats, the resistance rod can be automatically retracted to be separated from the land, so that the reverse gear is smooth.

Description

Technical Field

[0001] This utility model relates to the field of micro-tiller technology, and more specifically, to a micro-tiller with automatic retraction and extension of resistance rods. Background Technology

[0002] Mini tillers are powered by small diesel or gasoline engines and are characterized by their light weight, small size, and simple structure. They are widely applicable to dry land, paddy fields, and orchards in plains, mountains, and hills. For example, patent application CN201510955822.X describes a mini tiller comprising a frame, a handlebar frame assembly, and a tracked walking mechanism. The handlebar frame assembly includes a rotating positioning plate, a positioning shaft, a rotating seat, a pin device, and an adjusting cable. The tracked walking mechanism includes tracks, a walking support, and a shock-absorbing device. In this invention, when the handlebar frame needs to be rotated, the adjusting cable pulls the pin, causing the end of the pin to retract from the pin positioning hole on the rotating positioning plate into a pin sleeve, thus allowing the handlebar frame to rotate around the positioning shaft. The rotation adjustment is convenient and can eliminate the technical problems of large cultivation dead angles and difficult turning caused by fixed handrails. Moreover, when walking, when the guide wheel at the front of the walking direction encounters a ground protrusion, the guide wheel will be subjected to lateral impact force. At this time, the horizontal slide rod connected to the guide wheel will compress the horizontal shock-absorbing spring, which absorbs the impact energy and realizes shock absorption, thereby reducing the vibration during walking and making the operation of the micro tiller more effortless. In the above technical solution, the connecting rod and the resistance rod are connected at right angles. When the whole machine is in reverse gear, the resistance rod will get stuck in the ground, which will hinder the reverse gear and pose a safety hazard. Utility Model Content

[0003] The main purpose of this invention is to provide a micro-tiller with automatic retraction and extension of the resistance rod, which can effectively solve the problem in the background technology where the connecting rod and the resistance rod are connected at right angles, and the resistance rod gets stuck in the ground when the machine is in reverse gear, which obstructs the reverse gear and poses a safety hazard.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a micro-tiller with automatic retraction and extension of resistance bars, comprising a micro-tiller body, a conveyor box mounted on the upper surface of the micro-tiller body, a handrail mounted on the upper surface of the micro-tiller body, a tow body mounted on the rear surface of the micro-tiller body, an installation component mounted on the tow body via a mortise and tenon connection assembly, a resistance bar mounted on the tow body via the installation component, the installation component comprising an installation ramp and several installation holes, the installation ramp being mounted on the rear end of a connecting rod, the several installation holes being equidistantly through-holes on the surface of the resistance bar, a through-hole being formed on the installation ramp, an installation shaft being mounted on the installation ramp, and the resistance bar being rotatably mounted inside the through-hole via the installation shaft.

[0005] Preferably, a tray is installed on the front surface of the tiller body, and a bumper is installed on the front surface of the tray.

[0006] Preferably, mudguards are installed on both sides of the micro-tiller body.

[0007] Preferably, a handrail seat is installed on the upper surface of the micro-tiller body, and the handrail frame is installed on the upper surface of the handrail seat.

[0008] Preferably, the mortise and tenon connection assembly includes a mortise and a tenon. The mortise is formed on the surface of the connecting rod, and the tenon is fixedly installed on the surface of the mounting inclined plate. The tenon is welded inside the mortise.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] (1) Since several mounting holes are opened through the resistance bar, the mounting shaft is set inside different mounting holes. The height of the resistance bar can be adjusted according to the usage when installing the resistance bar. During the use of the mini tiller, since the resistance bar is installed at the front end of the sloping chute, when the mini tiller moves forward, the resistance bar is blocked by the front end of the sloping chute and will not swing. When the mini tiller is in reverse gear and moves backward, because there is a lot of space on the back side of the sloping chute, when the resistance bar is resisted, the side of the sloping chute that blocks the resistance bar is inclined, which will cause the resistance bar to swing towards the mini tiller. This solves the problem that the resistance bar will get stuck in the ground when using reverse gear, which will hinder the reverse gear and pose a safety hazard. After the improvement, the resistance bar will automatically retract and detach from the ground when the mini tiller reverses, making the reverse gear smooth.

[0011] (2) The tenon is welded inside the mortise. All parts of this device are welded together with tenons and mortises, which can increase the strength of each connecting part, making it more durable and safer. This solves the problem that each welding point is directly welded, which is prone to false welding or insufficient welding depth, resulting in an unstable connection. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the micro-tiller with automatic retraction and extension of the resistance rod according to this utility model;

[0013] Figure 2 This is a schematic side view of the overall structure of the micro-tiller with automatic retraction and extension of the resistance rod according to this utility model.

[0014] Figure 3 This is a top view schematic diagram of the overall structure of the micro-tiller with automatic retraction and extension of the resistance bar according to this utility model.

[0015] Figure 4 This is a schematic diagram of the resistance bar structure of the micro-tiller with automatic resistance bar retraction and extension according to the present invention.

[0016] Figure 5This is an enlarged structural diagram of point A of the micro-tiller with automatic retraction and extension of the resistance rod according to this utility model.

[0017] In the diagram: 1. Bumper; 2. Tray; 3. Conveyor box assembly; 4. Mudguard; 5. Handrail seat; 6. Handrail frame; 7. Trailer body; 8. Connecting rod; 9. Mounting assembly; 901. Mounting ramp; 902. Sloping groove; 903. Mounting shaft; 904. Mounting hole; 10. Resistance bar; 11. Mortise and tenon connection assembly; 1101. Mortise groove; 1102. Tenon; 12. Tiller body. Detailed Implementation

[0018] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0019] like Figure 1 As shown, the micro-tiller with automatic retraction and extension of the resistance bar includes a micro-tiller body 12, a conveyor box assembly 3 installed on the upper surface of the micro-tiller body 12, a handrail frame 6 installed on the upper surface of the micro-tiller body 12, a tow body 7 installed on the rear surface of the micro-tiller body 12, and an installation assembly 9 provided on the tow body 7 through a mortise and tenon connection assembly 11. The resistance bar 10 is installed on the tow body 7 through the installation assembly 9.

[0020] like Figure 1 As shown, a tray 2 is installed on the front surface of the micro-tiller body 12, and a bumper 1 is installed on the front surface of the tray 2, which can protect the device.

[0021] like Figure 1 As shown, mudguards 4 are installed on both sides of the micro-tiller body 12 to prevent mud from flying around during tilling.

[0022] like Figure 1 As shown, a handrail seat 5 is installed on the upper surface of the micro-tiller body 12, and the handrail frame 6 is installed on the upper surface of the handrail seat 5, which can make the handrail frame 6 more stable.

[0023] like Figure 2 , 3As shown in Figures 4 and 5, the mounting assembly 9 includes a mounting inclined plate 901 and several mounting holes 904. The mounting inclined plate 901 is mounted on the rear end of the connecting rod 8. The several mounting holes 904 are equidistantly formed through the surface of the resistance rod 10. A groove 902 is formed through the mounting inclined plate 901. A mounting shaft 903 is mounted on the mounting inclined plate 901. The resistance rod 10 is rotatably mounted inside the groove 902 via the mounting shaft 903. Because the resistance rod 10 has several mounting holes 904, placing the mounting shaft 903 inside different mounting holes 904 allows the height of the resistance rod 10 to be adjusted according to usage during the use of the micro-tiller. In this design, because the resistance rod 10 is installed at the front end of the inclined chute 902, when the tiller moves forward, the resistance rod 10 is blocked by the front end of the inclined chute 902 and will not swing. When the tiller is in reverse gear and moving backward, because there is a lot of space on the rear side of the inclined chute 902, when the resistance rod 10 is resisted, the side of the inclined chute 902 that blocks the resistance rod 10 is inclined, which will cause the resistance rod 10 to swing closer to the tiller. This solves the problem of the resistance rod getting stuck in the ground when using reverse gear, which could obstruct the reverse gear and pose a safety hazard. After the improvement, the resistance rod will automatically retract and detach from the ground when the tiller reverses, making the reverse gear move smoothly.

[0024] like Figure 2 , 5 As shown, the mortise and tenon connection assembly 11 includes a mortise 1101 and a tenon 1102. The mortise 1101 is formed on the surface of the connecting rod 8, and the tenon 1102 is fixedly installed on the surface of the mounting inclined plate 901. The tenon 1102 is welded into the mortise 1101. By welding the tenon 1102 into the mortise 1101, all parts of this device are welded together using mortise and tenon joints, which can increase the strength of each connecting part, making it more durable and safer. This solves the problem that direct welding at each welding point is prone to incomplete welding or insufficient welding depth, which can lead to an unstable connection.

[0025] The working principle of this micro-tiller with automatic retraction and extension of the resistance rod:

[0026] When in use, this mini tiller has several mounting holes 904 through which the resistance rod 10 is inserted. The mounting shaft 903 is placed inside different mounting holes 904. The height of the resistance rod 10 is adjusted according to usage. During operation, because the resistance rod 10 is installed at the front end of the inclined chute 902, it is blocked by the front end of the inclined chute 902 when the tiller moves forward, preventing it from swinging. When the tiller is in reverse and moving backward, there is ample space on the rear side of the inclined chute 902, allowing the resistance rod 10 to move smoothly while being obstructed. When applying force, because the side of the inclined groove 902 that blocks the resistance rod 10 is set at an angle, the resistance rod 10 will swing towards the direction of the mini-tiller. This solves the problem that the resistance rod would get stuck in the ground when using reverse gear, which would obstruct the reverse gear and pose a safety hazard. After the improvement, the resistance rod will automatically retract and detach from the ground when the mini-tiller reverses, making the reverse gear smooth. It is welded into the mortise groove 1101 by tenon 1102. All parts of this device are welded together by tenon and mortise, which can increase the strength of each connecting part, making it more durable and safer. This solves the problem that each welding point is directly welded, which is prone to poor welding or insufficient welding depth, resulting in an unstable connection.

[0027] The above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.

Claims

1. A micro-tiller with automatic retraction and extension of resistance rods, comprising a micro-tiller body (12), characterized in that: The micro-tiller body (12) is equipped with a conveyor box (3) on its upper surface, a handrail (6) on its upper surface, a tow body (7) on its rear surface, an installation component (9) on the tow body (7) via a mortise and tenon connection component (11), a resistance rod (10) on the tow body (7) via the installation component (9), the installation component (9) includes an installation ramp (901) and several installation holes (904), the installation ramp (901) is installed at the rear end of the connecting rod (8), several installation holes (904) are equidistantly opened through the surface of the resistance rod (10), a groove (902) is opened through the installation ramp (901), an installation shaft (903) is installed on the installation ramp (901), and the resistance rod (10) is rotatably installed inside the groove (902) via the installation shaft (903).

2. The micro-tiller with automatic retraction and extension of the resistance rod according to claim 1, characterized in that: The front surface of the micro-tiller body (12) is equipped with a tray (2), and the front surface of the tray (2) is equipped with a bumper (1).

3. The micro-tiller with automatic retraction and extension of the resistance rod according to claim 1, characterized in that: Mudguards (4) are installed on both sides of the micro-tiller body (12).

4. The micro-tiller with automatic retraction and extension of the resistance rod according to claim 1, characterized in that: The upper surface of the micro-tiller body (12) is equipped with a handrail seat (5), and the handrail frame (6) is installed on the upper surface of the handrail seat (5).

5. The micro-tiller with automatic retraction and extension of the resistance rod according to claim 4, characterized in that: The mortise and tenon connection assembly (11) includes a mortise (1101) and a tenon (1102). The mortise (1101) is formed on the surface of the connecting rod (8), and the tenon (1102) is fixedly installed on the surface of the mounting inclined plate (901). The tenon (1102) is welded inside the mortise (1101).

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