Special control traction mechanism

Abstract

The utility model discloses a special control traction mechanism which comprises a traction pin seat and a connecting rod mechanism arranged on the traction pin seat, the end portion of the connecting rod mechanism is connected with a connecting rod assembly through a connecting piece, the connecting rod assembly is provided with a kidney-shaped groove, and the connecting piece penetrates through the kidney-shaped groove and moves in the length direction of the kidney-shaped groove in the using state. The end, away from the connecting rod mechanism, of the connecting rod assembly is connected with the support assembly, and an operating lever handle is installed on the support assembly. The connecting rod assembly is simple in structure, the kidney-shaped groove is formed in the connecting rod assembly, along with backward opening of the seat hood, the connecting position of the rear end of the connecting rod assembly and the connecting rod mechanism is subjected to reverse thrust, the front end of the connecting rod assembly rotates around the circle center, the rear end of the connecting rod assembly is lifted upwards, the bolt slides along the kidney-shaped groove in the connecting rod assembly, and the connecting rod assembly moves backwards, so that the hood is opened; compared with a traditional traction mechanism that a seat hood cannot be completely opened, the seat hood can be completely opened only after a driver pulls a traction pin out of a traction pin base, and operation is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of traction equipment, in particular to a special operating traction mechanism. Background Art

[0002] The traction mechanism is operated by the driver's operating handle to drive the traction pin and the traction seat to work together. It is a connecting device used to connect the traction vehicle and the towed vehicle or the towed cargo. The traction mechanism is operated to transfer the traction force from the traction vehicle to the towed vehicle or the towed cargo.

[0003] The traditional operating and traction mechanism consists of an operating lever handle, a connecting rod, an adjusting connecting rod, a traction pin seat and a traction pin. After the tractor is equipped with the operating and traction mechanism, the seat hood cannot be fully opened under normal working conditions. The driver needs to pull the traction pin out of the traction pin seat before the seat hood can be fully opened. Therefore, a special operating and traction mechanism is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a special operating traction mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special operating traction mechanism, including a traction pin seat and a connecting rod mechanism arranged on the traction pin seat, the end of the connecting rod mechanism is connected to the connecting rod assembly through a connecting piece, a waist-shaped groove is opened on the connecting rod assembly, the connecting piece passes through the waist-shaped groove and moves along the length direction of the waist-shaped groove when in use, the end of the connecting rod assembly away from the connecting rod mechanism is connected to the bracket assembly, and a joystick handle is installed on the bracket assembly.

[0006] As a further solution of the utility model: the connecting rod mechanism is assembled from a screw rod and two U-shaped joints, and the two U-shaped joints are both provided with through holes for the connecting parts to pass through.

[0007] As a further solution of the utility model: an adjusting connecting rod is provided between the connecting rod assembly and the joystick handle, and two ends of the adjusting connecting rod are respectively connected to the connecting rod assembly and the joystick handle.

[0008] As a further solution of the utility model: the bracket assembly is connected to the seat hood, and the bracket assembly is respectively connected to the joystick handle and the adjustment connecting rod through bolts, and the bracket assembly is also connected to the end of the connecting rod assembly through bolts.

[0009] As a further solution of the utility model: screws are installed on the areas near the four corners of the end surface of the traction pin seat, and the traction pin seat is fixed to the traction vehicle by means of the screws.

[0010] As a further solution of the utility model: the traction pin seat and the connecting rod mechanism are connected via a traction pin.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. By opening a waist-shaped groove on the connecting rod assembly, as the seat hood opens backward, the connection between the rear end of the connecting rod assembly and the connecting rod mechanism is subjected to reverse thrust, the front end of the connecting rod assembly rotates around the center of the circle, the rear end is lifted upward, the bolt slides along the waist-shaped groove on the connecting rod assembly, and the connecting rod assembly moves backward to open the hood. Compared with the traditional traction mechanism, the seat hood cannot be fully opened. The driver needs to pull the traction pin out of the traction pin seat before the seat hood can be fully opened, which is more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the operating traction mechanism of the utility model;

[0014] Figure 2 It is a side view schematic diagram of the operating and traction mechanism of the utility model;

[0015] Figure 3 It is a schematic diagram of the connecting rod mechanism of the utility model;

[0016] Figure 4 It is a schematic diagram of the seat hood opening state operating traction mechanism of the utility model;

[0017] In the figure: 1. traction pin seat; 2. traction pin; 3. connecting rod mechanism; 31. screw rod; 32. U-shaped joint; 4. connecting rod assembly; 5. connecting part; 6. bracket assembly; 7. adjusting connecting rod; 8. joystick handle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4In an embodiment of the utility model, a special operating traction mechanism includes a traction pin seat 1 and a connecting rod mechanism 3 arranged on the traction pin seat 1. The traction pin seat 1 and the connecting rod mechanism 3 are connected through a traction pin 2. The end of the connecting rod mechanism 3 is connected to the connecting rod assembly 4 through a connecting piece 5. A waist-shaped groove is opened on the connecting rod assembly 4. The connecting piece 5 passes through the waist-shaped groove and moves along the length direction of the waist-shaped groove when in use. The end of the connecting rod assembly 4 away from the connecting rod mechanism 3 is connected to the bracket assembly 6, and a joystick handle 8 is installed on the bracket assembly 6.

[0020] See also Figure 1-3 In one embodiment, in order to connect the traction pin 2 and the connecting rod assembly 4, in this embodiment, preferably, the connecting rod mechanism 3 is assembled by a screw rod 31 and two U-shaped joints 32, and the two U-shaped joints 32 are each provided with a through hole for the connecting member 5 to pass through. Further, the two ends of the screw rod 31 respectively fix the two U-shaped joints 32, and then the traction pin 2 and the connecting rod assembly 4 are respectively connected by the two U-shaped joints 32.

[0021] See also Figure 1 In one embodiment, in this embodiment, preferably, an adjusting link 7 is provided between the connecting rod assembly 4 and the joystick handle 8, and the two ends of the adjusting link 7 are respectively connected to the connecting rod assembly 4 and the joystick handle 8.

[0022] See also Figure 1 In one embodiment, in this embodiment, preferably, the bracket assembly 6 is connected to the seat hood, and the bracket assembly 6 is connected to the joystick handle 8 and the adjustment connecting rod 7 respectively by bolts, and the bracket assembly 6 is also connected to the end of the connecting rod assembly 4 by bolts.

[0023] See also Figure 1-2 In one embodiment, in order to stably install the traction pin seat 1 on the traction vehicle, in this embodiment, preferably, screws are installed on the areas near the four corners of the end surface of the traction pin seat 1, and the traction pin seat 1 is fixed to the traction vehicle by screws, and the four corners of the traction pin seat 1 are fixed in turn by screws to achieve a better connection effect.

[0024] The working principle and use process of the utility model are as follows: first, after the operating traction mechanism is assembled, the connecting rod assembly 4 is connected and matched with the connecting rod mechanism 3 through the connecting piece 5, and the connecting rod assembly 4 and the connecting rod mechanism 3 can rotate freely around the axis of the connecting piece 5; when the driver opens the seat hood, the operating lever handle 8, the bracket assembly 6, the adjustment connecting rod 7, and the connecting rod assembly 4 rotate and move backward with the seat hood. Because the center of the connecting rod assembly 4 and the bracket assembly 6 are matched and constrained, the connecting rod assembly 4 can rotate freely around the center of the front circular hole. As the seat hood opens backward, the connection between the rear end of the connecting rod assembly 4 and the connecting rod mechanism 3 is subjected to reverse thrust, the front end of the connecting rod assembly 4 rotates around the center of the circle, and the rear end is lifted upward, the connecting piece 5 slides along the waist-shaped groove on the connecting rod assembly 4, and the connecting rod assembly 4 moves backward to realize the opening of the seat hood.

[0025] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0026] Therefore, the above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application; that is, all equivalent changes made according to the scope of the claims of the present application are within the protection scope of the claims of the present application.

Claims

1. A special manipulating traction mechanism, comprising a traction pin seat (1) and a connecting rod mechanism (3) arranged on the traction pin seat (1), characterized in that: The end of the connecting rod mechanism (3) is connected to the connecting rod assembly (4) via a connecting piece (5); a waist-shaped groove is provided on the connecting rod assembly (4); the connecting piece (5) passes through the waist-shaped groove and moves along the length direction of the waist-shaped groove when in use; the end of the connecting rod assembly (4) away from the connecting rod mechanism (3) is connected to the bracket assembly (6); and a joystick handle (8) is installed on the bracket assembly (6).

2. The dedicated manipulating and traction mechanism according to claim 1, characterized in that: The connecting rod mechanism (3) is assembled from a screw rod (31) and two U-shaped joints (32), and the two U-shaped joints (32) are each provided with a through hole for the connecting member (5) to pass through.

3. The dedicated manipulating and traction mechanism according to claim 1, characterized in that: An adjusting connecting rod (7) is provided between the connecting rod assembly (4) and the operating lever handle (8), and two ends of the adjusting connecting rod (7) are respectively connected to the connecting rod assembly (4) and the operating lever handle (8).

4. The dedicated manipulating and traction mechanism according to claim 3, characterized in that: The bracket assembly (6) is connected to the seat cover, and the bracket assembly (6) is respectively connected to the joystick handle (8) and the adjustment connecting rod (7) through bolts. The bracket assembly (6) is also connected to the end of the connecting rod assembly (4) through bolts.

5. The dedicated manipulating and traction mechanism according to claim 1, characterized in that: Screws are installed on the areas near the four corners of the end surface of the traction pin seat (1), and the traction pin seat (1) is fixed to the traction vehicle by means of the screws.

6. The dedicated manipulating and traction mechanism according to claim 1, characterized in that: The traction pin seat (1) and the connecting rod mechanism (3) are connected via a traction pin (2).

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