Novel lifting upper pull rod fixing structure

Abstract

The utility model provides a novel lifting upper pull rod fixing structure which comprises an upper pull rod and a pull plate arranged on a rear transverse support of a tractor, a pin shaft is arranged at one end, close to the rear transverse support of the tractor, of the pull plate, one end, close to the upper pull rod, of the pull plate is of a U-shaped structure, and a hook is arranged on the upper pull rod and corresponds to the pull plate. A lock pin is arranged between the pulling plate and the hook, the lock pin comprises a shaft body and a stop lever, the shaft body corresponds to the hook, a clamping structure is arranged on the pulling plate, and the clamping structure corresponds to the stop lever. According to the utility model, the pulling plate is arranged on the rear transverse support of the tractor, the pin shaft is arranged at one end, close to the rear transverse support of the tractor, of the pulling plate, the lock pin is arranged between the pulling plate and the hook and can be fixed through the lock pin, and the upper pulling rod, the pulling plate and the vehicle body form a stable triangular structure, so that the shaking of the upper pulling rod is reduced, and the stability is ensured; and the U-shaped structure of the pulling plate can be used for connection, so that the strength is ensured, and breakage is prevented.

Description

Technical Field

[0001] This utility model relates to the field of upper pull rod fixing technology, specifically a new lifting upper pull rod fixing structure. Background Technology

[0002] Existing tractor lifting upper lever fixing structures include hooks, cotter pins, and washers. One end of the hook is mounted on a mounting plate on a cross support and rotates around an axis to lift the upper lever. The hook then wraps around and holds the upper lever before lowering it, thus restricting the position of the upper lever. However, this structure does not adequately restrict the freedom of the upper lever, making it prone to wobbling. Furthermore, the hook is susceptible to breakage due to fatigue. A longer service life requires higher-quality hook materials, increasing costs. Additionally, the contact surface between the hook and the upper lever is prone to paint peeling, leading to rust and affecting aesthetics.

[0003] Therefore, this utility model provides a new lifting upper pull rod fixing structure. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a new lifting upper pull rod fixing structure to solve the problems mentioned in the background art. This utility model can be fixed by locking pins, and the upper pull rod, pull plate and vehicle body form a stable triangular structure, reducing the swaying of the upper pull rod and ensuring stability; it can also ensure strength, prevent breakage, and reduce the contact area, thereby preventing paint peeling.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a new lifting upper pull rod fixing structure, including an upper pull rod and a pull plate installed on the rear cross support of a tractor, wherein a pin is installed at one end of the pull plate near the rear cross support of the tractor, and the end of the pull plate near the upper pull rod has a U-shaped structure, a hook is installed on the upper pull rod, the hook corresponds to the pull plate, a locking pin is installed between the pull plate and the hook, the locking pin includes a shaft and a stop bar, the shaft corresponds to the hook, and a snap-fit ​​structure is installed on the pull plate, the snap-fit ​​structure corresponds to the stop bar.

[0006] Furthermore, a mounting plate is fixed on the rear cross support of the tractor, and the mounting plate is rotatably connected to the pull plate by a pin.

[0007] Furthermore, a groove is provided at one end of the pull plate near the upper pull rod, and the groove corresponds to the hook.

[0008] Furthermore, a through groove is formed in the groove, and the through groove corresponds to the shaft.

[0009] Furthermore, the hook has a snap-fit ​​hole that corresponds to the shaft.

[0010] Furthermore, a retaining ring is installed at one end of the shaft, and the shaft includes a thinner end and a thicker end.

[0011] Furthermore, the snap-fit ​​structure includes multiple snap-fit ​​blocks, which are fixedly connected to the pull plate, and the stop bar is located between two adjacent snap-fit ​​blocks.

[0012] Furthermore, the upper pull rod is welded and fixed to the hook.

[0013] The beneficial effects of this utility model are as follows: This utility model provides a new lifting upper pull rod fixing structure, which includes a tractor rear cross support; a pull plate; a pin; a hook; a locking pin; and an upper pull rod.

[0014] A pull plate is installed on the rear cross support of the tractor. A pin is installed on one end of the pull plate near the rear cross support of the tractor. A locking pin is installed between the pull plate and the hook. The lock plate can be used to fix the pull plate in place. The upper pull rod, the pull plate and the vehicle body form a stable triangular structure, which reduces the swaying of the upper pull rod and ensures stability. The pull plate can also be connected through its U-shaped structure to ensure strength and prevent breakage. The reduced contact area also prevents paint peeling. Attached Figure Description

[0015] Figure 1 A schematic diagram of the existing lifting upper tie rod fixing structure;

[0016] Figure 2 This is a schematic diagram of the overall assembly three-dimensional structure of a new lifting upper pull rod fixing structure according to this utility model;

[0017] Figure 3 This is a schematic diagram of the assembly structure of the pull plate and hook in a new lifting upper pull rod fixing structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the assembly structure of the locking pin and hook in a new lifting upper pull rod fixing structure of this utility model;

[0019] In the diagram: 1. Upper pull rod; 2. Pull plate; 3. Pin; 4. Tractor rear cross support; 5. Mounting plate; 6. Locking pin; 7. Snap ring; 8. Hook; 9. Shaft; 10. Stop bar; 11. Locking block; 12. Groove; 13. Through groove; 14. Snap-fit ​​hole. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please see Figures 1 to 4This utility model provides a technical solution: a new lifting upper pull rod fixing structure, including an upper pull rod 1 and a pull plate 2 installed on the rear cross support 4 of a tractor. The pull plate 2 is equipped with a pin 3 at one end near the rear cross support 4 of the tractor, and the pull plate 2 is U-shaped at one end near the upper pull rod 1. The upper pull rod 1 is equipped with a hook 8, which corresponds to the pull plate 2. A locking pin 6 is installed between the pull plate 2 and the hook 8. The locking pin 6 includes a shaft 9 and a stop bar 10, which corresponds to the hook 8. The pull plate 2 is equipped with a snap-fit ​​structure, which corresponds to the stop bar 10.

[0022] In this embodiment, a mounting plate 5 is fixed on the rear cross support 4 of the tractor, and the mounting plate 5 is rotatably connected to the pull plate 2 via a pin 3.

[0023] Specifically, the pull plate 2 is mounted on the mounting plate 5 of the tractor's rear cross support 4 via a pin 3, and the pull plate 2 can rotate around the pin 3.

[0024] A groove 12 is provided at one end of the pull plate 2 near the upper pull rod 1. The groove 12 corresponds to the hook 8. A through groove 13 is provided in the groove 12. The through groove 13 corresponds to the shaft 9. A snap-fit ​​hole 14 is provided in the hook 8. The snap-fit ​​hole 14 corresponds to the shaft 9. A snap spring 7 is installed at one end of the shaft 9. The shaft 9 includes a thinner end and a thicker end. The upper pull rod 1 and the hook 8 are welded and fixed.

[0025] The locking pin 6 is mounted on the pull plate 2 by the snap ring 7, thereby preventing the locking pin 6 from falling off. When suspended and unattended, the upper pull rod 1 is hung on the locking pin 6 by its own weight. The locking pin 6 is locked to prevent lateral movement. When it is needed, it is rotated to loosen and the locking pin 6 is pushed so that the thinner end of the shaft 9 moves into the snap hole 14, and the upper pull rod 1 can be taken out.

[0026] Specifically, first, pass the locking pin 6 through the through groove 13, then install the snap ring 7, then lift the pull plate 2 and send the hook 8 into the groove 12. At this time, the hook 8 is wrapped around the thinner end of the shaft 9. Then move the shaft 9 laterally so that the thicker end enters the snap hole 14. Then rotate the locking pin 6 so that the stop bar 10 rests on the pull plate 2. At this time, the stop bar 10 is located on one side of the hook 8 to limit it and prevent the locking pin 6 from coming out.

[0027] The snap-fit ​​structure includes multiple snap-fit ​​blocks 11, which are fixedly connected to the pull plate 2, and the stop bar 10 is located between two adjacent snap-fit ​​blocks 11.

[0028] Specifically, after the thicker end enters the locking hole 14, the upper pull rod 1 will be restricted by the locking pin 6 and the hook 8 when it rotates longitudinally around the shaft, thus ensuring that the position of the upper pull rod 1 is fixed.

[0029] When the stop lever 10 rotates between the two locking blocks 11, the locking blocks 11 can lock and fix the stop lever 10, thereby preventing the stop lever 10 from loosening due to resetting.

[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A novel lifting upper tie rod fixing structure, comprising an upper tie rod (1) and a pull plate (2) mounted on a tractor rear cross support (4), characterized in that, The pull plate (2) is equipped with a pin (3) at one end near the rear cross support (4) of the tractor. The pull plate (2) is U-shaped at one end near the upper pull rod (1). The upper pull rod (1) is equipped with a hook (8), which corresponds to the pull plate (2). A locking pin (6) is installed between the pull plate (2) and the hook (8). The locking pin (6) includes a shaft (9) and a stop bar (10). The shaft (9) corresponds to the hook (8). The pull plate (2) is equipped with a snap-fit ​​structure, which corresponds to the stop bar (10).

2. The novel lifting upper pull rod fixing structure according to claim 1, characterized in that: The tractor's rear cross support (4) is fixed with an mounting plate (5), and the mounting plate (5) is rotatably connected to the pull plate (2) by a pin (3).

3. The novel lifting upper pull rod fixing structure according to claim 1, characterized in that: The pull plate (2) has a groove (12) at one end near the upper pull rod (1), and the groove (12) corresponds to the hook (8).

4. A novel lifting upper pull rod fixing structure according to claim 3, characterized in that: A through groove (13) is provided in the groove (12), and the through groove (13) corresponds to the shaft (9).

5. A novel lifting upper pull rod fixing structure according to claim 1, characterized in that: The hook (8) has a snap-fit ​​hole (14) inside, which corresponds to the shaft (9).

6. A novel lifting upper pull rod fixing structure according to claim 1, characterized in that: One end of the shaft (9) is equipped with a retaining ring (7), and the shaft (9) includes a thinner end and a thicker end.

7. A novel lifting upper pull rod fixing structure according to claim 1, characterized in that: The snap-fit ​​structure includes multiple snap-fit ​​blocks (11), which are fixedly connected to the pull plate (2), and the stop bar (10) is located between two adjacent snap-fit ​​blocks (11).

8. A novel lifting upper pull rod fixing structure according to claim 1, characterized in that: The upper pull rod (1) is welded and fixed to the hook (8).

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