Agricultural locomotive clutch pedal connecting rod

By introducing a limiting component into the clutch pedal connecting rod of agricultural machinery, and utilizing the design of a movable plate, a rotating shaft, a torsion spring, and a pin, the stability problem of the connecting rod when adjusting its length is solved, achieving higher connection strength and adjustment accuracy.

CN224103880UActive Publication Date: 2026-04-10QINGDAO RUIZHI INNOVATION MACHINERY MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-05
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing clutch pedal connecting rod of agricultural vehicles has poor stability when adjusting its length, and is prone to loosening, which affects normal use.

Method used

A limiting assembly is constructed between the base rod and the connecting sleeve. Through the cooperation of the movable plate, the rotating shaft, the torsion spring and the pin, the base rod and the connecting sleeve are inserted into each other and fixed by the elastic force of the torsion spring to prevent loosening.

Benefits of technology

The stability and strength of the connecting rod are improved, ensuring the reliability of the connection, and the adjustment accuracy and real-time monitoring of connection changes are enhanced by the displacement sensor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an agricultural locomotive clutch pedal connecting rod, which relates to the technical field of agricultural machinery accessories, and comprises a first base rod, a second base rod, a first connecting rod and a second connecting rod, the base plate is installed on the surface of the first base rod, and the surface of the base plate is connected with a limiting assembly; the first base rod is connected with the connecting sleeve through the guide sleeve, the surface of the first base rod is provided with threads, the surface of the first base rod is provided with a first nut and a second nut, and the end, connected with the connecting sleeve, of the second base rod is provided with a displacement sensor. The movable plate can be unfolded and can compress the torsion spring, then the movable plate can be loosened after the first base rod is inserted into the proper position of the connecting sleeve, at the moment, the movable plate can reset under the action of the torsion spring, the plug pin at one end of the movable plate is inserted into the corresponding limiting hole, and therefore the first base rod and the connecting sleeve are fixed, and looseness is avoided. The connection strength is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machine parts technical field especially relates to a kind of agricultural vehicle clutch pedal connecting rod. BACKGROUND

[0002] Connecting rod is used to connect clutch and pedal on agricultural vehicle, such as clutch and pedal of tractor, the length of existing connecting rod has adjustment function, which mainly adjusts the distance between clutch and friction plate, and the adjustment function is generally used during production and assembly.

[0003] Referring to the existing patent announcement No. CN219277248U, a kind of agricultural vehicle clutch pedal connecting rod, including first base bar, second base bar, the first base bar is connected with pedal assembly at first end, the second base bar is connected with clutch at first end, the tail of the first base bar is equipped with guide sleeve, the tail of the second base bar is equipped with screw rod, the guide sleeve is sleeved on the screw rod. According to the need, the adjustment distance of connecting rod is designed, and the adjustment is accurate, as long as one person is installed on the car, without someone drilling to observe clutch and friction plate, improve production efficiency.

[0004] However, the existing connecting rod has poor stability when adjusting the length distance of connecting rod during actual use, because the connecting rod in the above application file is connected by connecting the first base bar in the metal strip, and the plug-in connection between the connecting rod components makes it very easy to loosen during activity, thereby affecting the normal use of the connecting rod. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a kind of agricultural vehicle clutch pedal connecting rod.The utility model constructs limiting assembly between base bar one and connecting sleeve, so that when connecting connecting rod, with the plug-in connection of base bar one and connecting sleeve, personnel can also unfold movable plate, i.e. movable plate can be turned over by rotating shaft and compress torsional spring, then after inserting base bar one into the appropriate position of connecting sleeve, movable plate can be released, at this time, movable plate can be restored to horizontal position under the action of torsional spring and make the insertion pin of one end can be inserted into corresponding limiting hole, so as to fix between base bar one and connecting sleeve, avoid loosening, improve connection strength.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of agricultural vehicle clutch pedal connecting rod, comprising:

[0008] Base bar one is connected with base bar two by connecting sleeve to constitute connecting rod main body;

[0009] A substrate is mounted on a surface of the first base rod, and the surface of the substrate is connected to a limiting assembly;

[0010] The first base rod is connected to the connecting sleeve through a guide sleeve, the surface of the first base rod is provided with threads, the surface of the first base rod is respectively provided with a nut one and a nut two, and the second base rod is provided with a displacement sensor at one end connected to the connecting sleeve.

[0011] The utility model further sets up that the limiting assembly includes: pivot, torsional spring, bolt and movable plate;

[0012] The pivot is connected to the inner side of the substrate, the movable plate is sleeved on the surface of the pivot, the torsional spring is mounted on the surface of the pivot and located in the movable plate, and the bolts are all mounted on one end of the movable plate.

[0013] The surface of the connecting sleeve is provided with a plurality of limiting holes, and the limiting holes are matched with the bolts.

[0014] The height of the substrate is greater than the diameter of the connecting sleeve.

[0015] The movable plate is rotatably connected to the substrate through the pivot.

[0016] The nut one and the nut two are respectively located on the two sides of the guide sleeve.

[0017] The nut one is configured to be embeddedly connected with the guide sleeve.

[0018] The first base rod is provided with a connecting seat one at one end away from the connecting sleeve, and the second base rod is provided with a connecting seat two at one end away from the connecting sleeve.

[0019] The second base rod is fixedly connected to the connecting sleeve, and the first base rod is movably connected to the connecting sleeve.

[0020] The first base rod is coaxially arranged with the connecting sleeve and the second base rod.

[0021] The utility model discloses the beneficial effects that the utility model constructs the limiting assembly between the first base rod and the connecting sleeve, when connecting the connecting rod, along with the plug-in connection of the first base rod and the connecting sleeve, personnel can also unfold the movable plate, that is, the movable plate can be turned over through the pivot and compress the torsional spring, then after inserting the first base rod into the appropriate position of the connecting sleeve, the movable plate can be loosened, at this time, the movable plate can be restored to the horizontal position under the action of the torsional spring and make the bolt at one end of the movable plate can be inserted into the corresponding limiting hole, thereby fixing between the first base rod and the connecting sleeve, avoiding loosening, improving the connecting strength.

[0022] The utility model provides an agricultural vehicle clutch pedal connecting rod, through setting up the limiting assembly, when connecting the connecting rod, along with the plug -in connection of base pole one and connecting sleeve, personnel can also unfold the movable plate, namely movable plate can overturn through the pivot and compress torsional spring, and then after the base pole one is inserted into the proper position of connecting sleeve can release the movable plate, when the movable plate can restore to the horizontal position under the action of torsional spring and make the bolt of one end can be inserted into the corresponding limiting hole, thereby fixing between base pole one and connecting sleeve, avoid loosening, improve the connecting strength.

[0023] The utility model provides an agricultural vehicle clutch pedal connecting rod, through setting up the limiting assembly, when connecting the connecting rod, along with the plug -in connection of base pole one and connecting sleeve, personnel can also unfold the movable plate, namely movable plate can overturn through the pivot and compress torsional spring, and then after the base pole one is inserted into the proper position of connecting sleeve can release the movable plate, when the movable plate can restore to the horizontal position under the action of torsional spring and make the bolt of one end can be inserted into the corresponding limiting hole, thereby fixing between base pole one and connecting sleeve, avoid loosening, improve the connecting strength. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 It is an overall structure schematic view of the agricultural vehicle clutch pedal connecting rod provided by the utility model;

[0025] Fig. 2 It is a front cut structure schematic view of the agricultural vehicle clutch pedal connecting rod provided by the utility model;

[0026] Fig. 3 It is a limiting assembly structure schematic view of the agricultural vehicle clutch pedal connecting rod provided by the utility model.

[0027] In the drawing: 1, base pole one;2, base pole two;3, connecting seat one;4, connecting seat two;5, connecting sleeve;6, screw;7, base plate;8, movable plate;9, limiting hole;10, displacement sensor;11, nut one;12, guide sleeve;13, nut two;14, torsional spring;15, pivot;16, bolt. DETAILED DESCRIPTION

[0028] The technical scheme of the patent will be explained in further detail in combination with specific implementation manners.

[0029] The embodiments of the patent will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as limiting the patent.

[0030] In the description of the present patent, it needs to be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present patent.

[0031] In the description of the present patent, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present patent can be understood according to the specific circumstances.

[0032] Referring to Figs. 1-3 An agricultural vehicle clutch pedal connecting rod, comprising: a base rod one 1 connected with a base rod two 2 through a connecting sleeve 5 to form a connecting rod main body, so that the base rod one 1 can be adjusted relative to the connecting sleeve 5 and the base rod two 2; a base plate 7 is installed on the surface of the base rod one 1, the surface of the base plate 7 is connected with a limiting assembly, the limiting assembly is used to further improve the strength of the overall connection of the connecting rod and reduce looseness; the base rod one 1 is connected with the connecting sleeve 5 through a guide sleeve 12, the surface of the base rod one 1 is provided with a thread 6, the surface of the base rod one 1 is respectively provided with a nut one 11 and a nut two 13, so that the relative position between the base rod one 1 and the connecting sleeve 5 can be locked by the nut one 11 and the nut two 13, one end of the base rod two 2 connected with the connecting sleeve 5 is provided with a displacement sensor 10, the displacement sensor 10 is used to measure the axial displacement between the base rod one 1 and the base rod two 2, reflect the clearance change of the clutch friction disc and the pressure disc, and find out the clutch wear or the connecting rod looseness in advance, avoid the damage of the transmission system caused by failure.

[0033] Specifically, referring to Figs. 1-3The limiting assembly comprises a rotating shaft 15, a torsion spring 14, a plug 16 and a movable plate 8. The rotating shaft 15 is connected to the inner side of the base plate 7. The movable plate 8 is sleeved on the surface of the rotating shaft 15. The torsion spring 14 is installed on the surface of the rotating shaft 15 and located in the movable plate 8. The plug 16 is installed on one end of the movable plate 8. Through the above-mentioned implementation, the movable plate 8 can be unfolded. That is, the movable plate 8 can be flipped through the rotating shaft 15 and the torsion spring 14 is compressed. Then, the base rod one 1 is inserted into the appropriate position of the connecting sleeve 5. The movable plate 8 is released. The elastic force of the torsion spring 14 drives the movable plate 8 to rotate, so that the plug 16 is clamped into the limiting hole 9 of the base rod one 1, forming a mechanical lock. Further, the surface of the connecting sleeve 5 is provided with a plurality of limiting holes 9, and the limiting holes 9 are matched with the plugs 16. Through the above-mentioned design, the movable plate 8 can be restored to the horizontal position under the action of the torsion spring 14, and the plug 16 at one end of the movable plate 8 can be inserted into the corresponding limiting hole 9. It can adapt to different positions, so as to fix the base rod one 1 and the connecting sleeve 5, avoid loosening, and improve the connection strength.

[0034] Further, the height of the base plate 7 is greater than the diameter of the connecting sleeve 5. Through the above-mentioned design, the base plate 7 can provide a larger activity range for the movable plate 8 to cooperate with the limiting hole 9 on the surface of the connecting sleeve 5.

[0035] Further, the movable plate 8 is rotatably connected to the base plate 7 through the rotating shaft 15. Through the above-mentioned design, the movable plate 8 can provide flipping activity, avoiding that the movable plate 8 is not easy to cooperate with the connecting sleeve 5 under the limiting action.

[0036] Further, the nut one 11 and the nut two 13 are located on both sides of the guide sleeve 12. Through the above-mentioned design, the nut one 11 and the nut two 13 form axial clamping force by reverse tightening, eliminating the assembly gap between the guide sleeve 12 and the base plate 7.

[0037] Further, the nut one 11 is configured to be embedded with the guide sleeve 12. Through the above-mentioned design, the inner wall of the nut one 11 and the outer wall of the guide sleeve 12 are rigidly connected through spline embedding or polygonal cooperation (such as hexagonal), eliminating relative rotation.

[0038] Further, the base rod one 1 is provided with a connecting seat one 3 at one end away from the connecting sleeve 5. The base rod two 2 is provided with a connecting seat two 4 at one end away from the connecting sleeve 5. Through the above-mentioned design, the connecting seat one 3 and the connecting seat two 4 are located at the ends of the base rod one 1 and the base rod two 2 respectively, forming independent force transmission nodes, which can bear axial, radial and combined direction loads. The connecting seat adopts a standardized interface (such as a bolt hole array, a clamping groove structure), which is convenient for quick adaptation with different components (such as a pedal, a clutch rocker arm).

[0039] Further, the base rod two 2 is fixedly connected with the connecting sleeve 5, and the base rod one 1 is movably connected with the connecting sleeve 5, through the design, the movement of the base rod one 1 provides adjustable space for the connection of the connecting rod, and the base rod two 2 is rigidly connected with the connecting sleeve 5 through welding or interference fit, so that the stability of the base rod two 2 is ensured.

[0040] Further, the base rod one 1 is coaxially arranged with the connecting sleeve 5 and the base rod two 2, through the design, the force transmission path is ensured to be a straight line, eccentric load is reduced, coaxial design can avoid centrifugal force or additional bending moment caused by eccentricity, and system vibration is reduced.

[0041] Working principle: when the utility model is used, firstly, when the connecting rod is connected, with the plug-in connection of the base rod one 1 and the connecting sleeve 5, personnel can also unfold the movable plate 8, that is, the movable plate 8 can be turned over and compressed by the pivot 15 and the torsional spring 14, then after the base rod one 1 is inserted into the connecting sleeve 5 at a suitable position, the movable plate 8 can be loosened, at this time, the movable plate 8 can be restored to a horizontal position under the action of the torsional spring 14 and make the bolt 16 at one end thereof can be inserted into the corresponding limiting hole 9, so that the base rod one 1 and the connecting sleeve 5 are fixed, loosening is avoided, and the connection strength is improved, at the same time, the displacement sensor 10 can directly measure the axial displacement between the base rod one 1 and the base rod two 2 in the connecting rod, so that the connection adjustment distance between the clutch and the pedal is grasped, the adjustment accuracy is improved, and the change of the connecting rod can be grasped in real time, so that maintenance is carried out, then the connecting seat one 3 is connected with the pedal, and the connecting seat two 4 is connected with the clutch.

[0042] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An agricultural vehicle clutch pedal link characterized by, Include: The base rod one (1) is connected with the base rod two (2) through the connecting sleeve (5) to constitute the connecting rod main body; The base plate (7) is installed on the surface of the base rod one (1), and the surface of the base plate (7) is connected with a limiting assembly; The base rod one (1) is connected with the connecting sleeve (5) through the guide sleeve (12), the surface of the base rod one (1) is provided with a thread (6), the surface of the base rod one (1) is respectively provided with a nut one (11) and a nut two (13), and the base rod two (2) is connected with the connecting sleeve (5) on one end.

2. An agricultural vehicle clutch pedal link as in claim 1, wherein, The limiting assembly comprises a rotating shaft (15), a torsional spring (14), a bolt (16) and a movable plate (8); The rotating shaft (15) is connected to the inner side of the base plate (7), the movable plate (8) is sleeved on the surface of the rotating shaft (15), the torsional spring (14) is installed on the surface of the rotating shaft (15) and located in the movable plate (8), and the bolt (16) is installed on one end of the movable plate (8).

3. An agricultural vehicle clutch pedal link as in claim 1, wherein, The surface of the connecting sleeve (5) is provided with a plurality of limiting holes (9), and the limiting holes (9) are matched with the bolts (16).

4. An agricultural vehicle clutch pedal link as in claim 1, wherein, The height of the base plate (7) is greater than the diameter of the connecting sleeve (5).

5. An agricultural vehicle clutch pedal link as in claim 2, wherein, The movable plate (8) is rotatably connected with the base plate (7) through the rotating shaft (15).

6. An agricultural vehicle clutch pedal link as in claim 1, wherein, The nut one (11) and the nut two (13) are respectively located on both sides of the guide sleeve (12).

7. An agricultural vehicle clutch pedal link as in claim 1, wherein, The nut one (11) is configured to be embedded with the guide sleeve (12).

8. An agricultural vehicle clutch pedal link as in claim 1, wherein, The base rod one (1) is provided with a connecting seat one (3) away from the connecting sleeve (5), and the base rod two (2) is provided with a connecting seat two (4) away from the connecting sleeve (5).

9. An agricultural vehicle clutch pedal link as in claim 1, wherein, The base rod two (2) is fixedly connected with the connecting sleeve (5), and the base rod one (1) is movably connected with the connecting sleeve (5).

10. An agricultural vehicle clutch pedal link as in claim 1, wherein, The base rod one (1) is coaxially arranged with the connecting sleeve (5) and the base rod two (2).