Clutch control mechanism of riding type mini-tiller

Abstract

The utility model provides a clutch control mechanism of a riding type mini-tiller. The clutch control mechanism of the riding type mini-tiller solves the problem that an existing clutch control mechanism of the riding type mini-tiller is prone to causing abrasion of a clutch disc in a clutch. One end of the pedal rod is rotatably arranged on the mini-tiller through a rotating shaft, one end of the rotating plate is fixedly connected with a shifting fork shaft, the operating handle is arranged on the mini-tiller, the operating handle is connected with the rotating plate through a traction inhaul cable, the traction inhaul cable can drive the rotating plate to swing around the shifting fork shaft when the operating handle is closed, and a pedal plate is arranged on the pedal rod. The foot rest lever is connected with the rotating plate through a flexible connecting structure, and the flexible connecting structure can drive the rotating plate to swing around the shifting fork shaft when the foot rest is treaded. And the intense movement of the foot rest lever / operating handle can be flexibly transmitted to the rotating plate, so that the abrasion of the clutch disc is avoided, and the service life is effectively prolonged.

Description

Technical Field

[0001] This utility model belongs to the field of micro-tiller technology and relates to a clutch control mechanism for a ride-on micro-tiller. Background Technology

[0002] A ride-on tiller is a type of agricultural machinery characterized by its ability to be operated while seated. Compared to traditional handheld or walking tillers, this significantly reduces the operator's physical exertion and improves work efficiency and comfort. Ride-on tillers utilize a clutch control mechanism to engage the tiller's clutch.

[0003] For example, a Chinese patent discloses a rear control mechanism for a riding-type mini-tiller [authorization announcement number CN222263565U]. When the handle is pressed to move the cable, the cable will apply a tension to the connecting rod, thereby causing the connecting rod to swing around the fixed axis as the rotation center. At the same time, the second bend causes the pedal frame to swing around the shift fork shaft as the rotation center. When the pedal frame swings in a clockwise direction, the shift fork shaft of the clutch is subjected to the force transmitted by the pedal frame, and the shift fork shaft drives the clutch to engage, thereby controlling the mini-tiller to move.

[0004] Because the aforementioned control mechanism lacks a buffer to cushion the pedal frame, when the foot or hand is pressed or the cable is pulled, the action of the foot or hand directly affects the pedal frame. If the force is too great and the speed is too fast, it can easily cause wear on the clutch plate in the clutch, reducing its service life. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a clutch control mechanism for a ride-on micro-tiller with a flexible connection between the foot pedal and the rotating plate.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] The clutch control mechanism of a ride-on mini tiller includes a foot pedal rod rotatably mounted on the tiller via a rotating shaft at one end, a rotating plate fixedly connected to a shift fork shaft at the other end, and an operating handle mounted on the tiller. The shift fork shaft performs the action of disengaging or engaging the clutch. The clutch has 4-8 friction plates. The operating handle is connected to the rotating plate via a traction cable. When the operating handle is closed, the traction cable can drive the rotating plate to swing around the shift fork shaft. The foot pedal rod is equipped with a foot pedal. The foot pedal rod and the rotating plate are connected by a flexible connection structure. When the foot pedal is pressed, the flexible connection structure can drive the rotating plate to swing around the shift fork shaft.

[0008] The pivot shaft is parallel to the shift fork shaft. When the operating handle is closed, the rotation direction of the rotating plate is parallel to the rotation direction of the rotating plate when the foot pedal is pressed. Since the foot pedal and the rotating plate are connected by a flexible connection structure, the intense movement of the foot pedal will be flexibly transmitted to the rotating plate, avoiding wear of the clutch plate and effectively improving the service life.

[0009] In the clutch control mechanism of the aforementioned ride-on mini-tiller, the flexible connection structure includes a first conical spring and a first pull cable. The large end of the first conical spring is connected to the foot pedal, and the end of the first pull cable away from the first conical spring is connected to the rotating plate. The end of the first pull cable near the first conical spring has a first limiting head, which is located inside the first conical spring and limited by the small end of the first conical spring. During connection, the large end of the first conical spring is connected to the foot pedal, the first pull cable is inserted through the large end of the first conical spring and exits through the small end until the first limiting head enters the first conical spring and is limited by the small end of the first conical spring. Then, the first pull cable is connected to the rotating plate. The first conical spring provides better cushioning than a regular spring, and the length of the flexible connection structure can be increased or decreased without increasing the spring length, eliminating the need for a custom spring and reducing costs.

[0010] In the clutch control mechanism of the aforementioned ride-on mini-tiller, the end of the rotating plate away from the shift fork shaft is rotatably equipped with a rotating shaft parallel to the shift fork shaft, and the end of the first pull cable away from the first limit head is connected to the rotating shaft. Because of the rotatable rotating shaft, the first pull cable is always kept taut when the rotating plate rotates, preventing bending and improving its service life.

[0011] In the clutch control mechanism of the aforementioned ride-on mini-tiller, the foot pedal is provided with a first connecting plate, the first connecting plate has a first connecting hole, and the large end of the first conical spring has a first hook, which is hooked into the first connecting hole. This facilitates the connection between the first conical spring and the foot pedal.

[0012] In the clutch control mechanism of the above-mentioned ride-on mini tiller, the traction cable includes a tubing and a second cable passing through the tubing. The end of the tubing away from the operating handle is fixedly connected to the rotating plate. The second cable passes through the end of the tubing away from the operating handle and is connected to the mini tiller. When the operating handle is closed, the tubing pushes the rotating plate to swing.

[0013] In the clutch control mechanism of the aforementioned ride-on mini-tiller, the mini-tiller is equipped with a second conical spring, and the second pull cable is connected to the second conical spring.

[0014] In the clutch control mechanism of the aforementioned ride-on mini-tiller, the end of the second cable near the second conical spring has a second limiting head, which is located inside the second conical spring and limited by the small end of the second conical spring.

[0015] In the clutch control mechanism of the above-mentioned riding micro-tiller, the micro-tiller is provided with a second connecting plate, the second connecting plate is provided with a second connecting hole, the large end of the second conical spring is provided with a second hook, and the second hook is hung in the second connecting hole.

[0016] The second conical spring is located between the foot pedal and the rotating plate. When the foot pedal is operated, the second conical spring does not participate in the action and will not hinder the movement of the rotating plate. When the foot pedal is operated, the first conical spring does not participate in the action and will not hinder the movement of the rotating plate.

[0017] Compared with existing technologies, the clutch control mechanism of this riding-type mini tiller has the following advantages:

[0018] Because it is equipped with a first conical spring and a second conical spring, the vigorous movement of the foot pedal / operating handle is flexibly transmitted to the rotating plate, avoiding wear on the clutch plate and effectively improving its service life; the overall structure is reasonably designed, easy to install, and has good performance. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the clutch control mechanism provided by this utility model.

[0020] Figure 2 This utility model provides Figure 1 Enlarged diagram of point A in the middle.

[0021] In the diagram, 1. Foot pedal; 2. Shift fork shaft; 3. Rotating plate; 4. Operating handle; 5. Rotating shaft; 6. Foot pedal; 7. First conical spring; 8. First pull cable; 9. First limit head; 10. Rotating shaft; 11. First connecting plate; 12. First hook; 13. Rubber tube; 14. Second pull cable; 15. Second conical spring; 16. Second limit head; 17. Second connecting plate; 18. Second hook. Detailed Implementation

[0022] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0023] like Figure 1The clutch control mechanism of the riding-type mini tiller shown includes a foot pedal 1 that is rotatably mounted on the mini tiller via a pivot 5 at its rear end, a rotating plate 3 that is fixedly connected to a shift fork shaft 2 at its front end, and an operating handle 4 located on the side of the riding-type mini tiller seat. The rotating plate 3 is positioned higher than the foot pedal 1. A foot pedal 6 is provided at the front end of the foot pedal 1. The pivot 5 is parallel to the shift fork shaft 2. The operating handle 4 is connected to the rotating plate 3 via a traction cable. When the operating handle 4 is closed, the traction cable can drive the rotating plate 3 to swing around the shift fork shaft 2. The foot pedal 1 and the rotating plate 3 are connected by a flexible connection structure. When the foot pedal 6 is pressed, the flexible connection structure can drive the rotating plate 3 to swing around the shift fork shaft 2.

[0024] The shift fork shaft 2 performs the action of disengaging or engaging the clutch, which contains 4-8 friction plates.

[0025] When the operating handle 4 is closed, the rotation direction of the rotating plate 3 is parallel to the rotation direction of the rotating plate 3 when the foot pedal 6 is pressed. Since the foot pedal 1 and the rotating plate 3 are connected by a flexible connection structure, the intense movement of the foot pedal 1 will be flexibly transmitted to the rotating plate 3, avoiding wear of the clutch plate and effectively improving the service life.

[0026] like Figure 1 and Figure 2 As shown, the flexible connection structure includes a first conical spring 7 and a first pull wire 8. The large end (lower end) of the first conical spring 7 is connected to the foot pedal 1. The end (upper end) of the first pull wire 8 away from the first conical spring 7 is connected to the rotating plate 3. The end (lower end) of the first pull wire 8 close to the first conical spring 7 has a first limiting head 9. The first limiting head 9 is located inside the first conical spring 7 and is limited by the small end of the first conical spring 7.

[0027] During connection, the large end of the first conical spring 7 is connected to the foot pedal 1. The first pull cable 8 is threaded through the large end of the first conical spring 7 and out through the small end until the first limiting head 9 enters the first conical spring 7 and is limited by the small end of the first conical spring 7. Then, the first pull cable 8 is connected to the rotating plate 3. The first conical spring 7 provides cushioning, which is better than that of ordinary springs. At the same time, the length of the flexible connection structure can be increased or decreased without increasing the length of the spring, eliminating the need for custom springs and reducing costs.

[0028] like Figure 2 As shown, the rotating plate 3 has a rotating shaft 10 parallel to the shift fork shaft 2 at the end away from the shift fork shaft 2. The end of the first pull cable 8 away from the first limit head 9 is connected to the rotating shaft 10. When the rotating plate 3 rotates, it can ensure that the first pull cable 8 is always in a straight state, so that the first pull cable 8 will not bend and its service life can be improved.

[0029] like Figure 2As shown, a first connecting plate 11 is provided on the foot pedal 1. The first connecting plate 11 is located between the rotating shaft 5 and the foot pedal 6. The first connecting plate 11 is provided with a first connecting hole. The large end of the first conical spring 7 is provided with a first hook 12. The first hook 12 is hung in the first connecting hole.

[0030] like Figure 1 and Figure 2 As shown, the traction cable includes a tubing 13 and a second cable 14 passing through the tubing 13. The end of the tubing 13 away from the operating handle 4 is fixedly connected to the rotating plate 3. The second cable 14 passes through the end of the tubing 13 away from the operating handle 4 and is connected to the micro-tiller. When the operating handle 4 is closed, the tubing 13 pushes the rotating plate 3 to swing.

[0031] like Figure 1 As shown, the mini-tiller is equipped with a second conical spring 15 and a second connecting plate 17. The second connecting plate 17 is positioned lower than the rotating plate 3 and has a second connecting hole. The large end of the second conical spring 15 has a second hook 18, which is hooked into the second connecting hole. Figure 2 As shown, the second pull wire 14 has a second limiting head 16 at one end near the second conical spring 15. The second limiting head 16 is located inside the second conical spring 15 and is limited by the small end of the second conical spring 15.

[0032] The second conical spring 15 is located between the foot pedal 1 and the rotating plate 3. When the foot pedal is operated, the second conical spring 15 does not participate in the action and will not hinder the movement of the rotating plate 3. When the manual operation is performed, the first conical spring 7 does not participate in the action and will not hinder the movement of the rotating plate 3.

[0033] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A clutch operating mechanism for a ride-on mini-tiller, characterized by comprising: The utility model provides a micro tiller's operating handle, including one end through the rotating shaft (5) rotates the foot tread bar (1) established on the micro tiller, one end and the shift fork axle (2) solidly connected rotating plate (3) and the operating handle (4) established on the micro tiller, operating handle (4) is connected with rotating plate (3) through the traction cable, the traction cable can drive rotating plate (3) swing around shift fork axle (2) when operating handle (4) is closed, foot tread bar (1) is equipped with foot tread board (6), and the flexible connecting structure is connected between foot tread bar (1) and rotating plate (3), and the flexible connecting structure can drive rotating plate (3) swing around shift fork axle (2) when foot tread board (6) is stepped on.

2. The clutch operating mechanism of a ride-on mini-tiller according to claim 1, wherein The flexible connecting structure includes a first conical spring (7) and a first pull wire (8), the large end of the first conical spring (7) is connected with the foot tread bar (1), one end of the first pull wire (8) away from the first conical spring (7) is connected with the rotating plate (3), and the first pull wire (8) has a first limiting head (9) at the end close to the first conical spring (7), the first limiting head (9) is located in the first conical spring (7) and is limited by the small end of the first conical spring (7).

3. The clutch control mechanism of a ride-on mini-tiller according to claim 2, wherein The rotating plate (3) is rotatably provided with a rotating shaft (10) parallel to the shift fork axle (2) at the end away from the shift fork axle (2), and the end of the first pull wire (8) away from the first limiting head (9) is connected to the rotating shaft (10).

4. The clutch operating mechanism of a ride-on mini-tiller according to claim 2 or 3, wherein The foot tread bar (1) is provided with a first connecting plate (11), the first connecting plate (11) is provided with a first connecting hole, the large end of the first conical spring (7) is provided with a first hook (12), and the first hook (12) is hung in the first connecting hole.

5. The clutch operating mechanism of a ride-on mini-tiller according to claim 1, wherein The traction cable includes a rubber tube (13) and a second pull wire (14) penetrating the rubber tube (13), one end of the rubber tube (13) away from the operating handle (4) is fixedly connected with the rotating plate (3), the second pull wire (14) penetrates out of one end of the rubber tube (13) away from the operating handle (4) and is connected with the micro tiller, and the rubber tube (13) pushes the rotating plate (3) to swing when the operating handle (4) is closed.

6. The clutch control mechanism of the ride-on mini-tiller according to claim 5, wherein The micro tiller is provided with a second conical spring (15), and the second pull wire (14) is connected with the second conical spring (15).

7. The clutch control mechanism for a ride-on mini-tiller according to claim 6, wherein The end of the second pull wire (14) close to the second conical spring (15) has a second limiting head (16), the second limiting head (16) is located in the second conical spring (15) and is limited by the small end of the second conical spring (15).

8. The clutch operating mechanism of a ride-on mini-tiller according to claim 6 or 7, wherein The micro tiller is provided with a second connecting plate (17), the second connecting plate (17) is provided with a second connecting hole, the large end of the second conical spring (15) is provided with a second hook (18), and the second hook (18) is hung in the second connecting hole.

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