Agricultural machine steering connecting rod assembly

Abstract

An agricultural machine steering connecting rod assembly comprises a connector assembly and a connecting rod body, a steering ball seat is arranged at one end of the connecting rod body, an internal thread sleeve is arranged at the other end of the connecting rod body, a ball rod ball head of the connector assembly is located in the steering ball seat, and a long thread spherical hinge connecting ball head is connected into the internal thread sleeve through a thread structure. And the ball head of the long thread spherical hinge connecting ball head is positioned in the connecting ball seat. According to the connecting rod assembly, single-end rapid adjustment is achieved, the strength of the connecting rod assembly is improved, bilateral selective adjustment and rapid adjustment can be achieved, the product strength is improved, the whole vehicle production cost and the vehicle purchase cost of a user are reduced, and the requirements of the whole vehicle user are met.

Description

Technical Field

[0001] The utility model relates to a connecting rod assembly, in particular to a connecting rod assembly for agricultural machinery steering. Background Art

[0002] With the continuous expansion of the scale of centralized agricultural production, the demand for the structure, performance and comfort of agricultural vehicles is increasing across the country. Higher requirements are put forward for the adjustment of the steering system of the whole vehicle. At the same time, the adjustment of the front beam by the tie rod structure is an urgent problem to be solved. Due to the application of the steering wheel of agricultural vehicles and the increase of the steering angle, and the increasingly compact layout of the chassis space, the problem of connecting rod bending and fracture has begun to appear in the market. To increase the strength of the connecting rod and solve the problem of compact steering adjustment of the chassis design, it is required that the connecting rod assembly has the function of quickly adjusting the length within the original required adjustment range. Content of the Utility Model

[0003] In order to solve the above problems, the purpose of the utility model is to provide a connecting rod assembly for agricultural machinery steering.

[0004] To achieve the above purpose, the technical solution of the utility model is: a connecting rod assembly for agricultural machinery steering, including a joint assembly and a connecting rod body. One end of the connecting rod body is provided with a steering ball seat, and the other end is provided with an internal thread sleeve. The ball head of the ball rod of the joint assembly is located in the steering ball seat. A long-thread ball hinge connecting ball head is connected to the internal thread sleeve through a thread structure, and the ball head of the long-thread ball hinge connecting ball head is located in the connecting ball seat.

[0005] Further, a back-tightening nut is screwed on the outer end of the threaded rod of the long-thread ball hinge connecting ball head, and the end of the back-tightening nut is closely attached to the outer end of the internal thread sleeve.

[0006] Further, the connection parts between each ball head and the ball seat are covered with a sheath, and both ends of the sheath are provided with lips fixedly connected to the outer end of the corresponding ball head and the ball seat respectively.

[0007] Further, the joint assembly is a joint clip locking joint assembly. A joint clip is provided at one end of the connecting rod body, and the fixing rod of the steering ball seat is inserted into the joint clip and locked.

[0008] Further, the joint assembly is a riveted joint assembly. The fixing rod of the steering ball seat is fixedly connected to one end of the connecting rod body by riveting, and an annular locking gasket is sleeved on the threaded rod of the long-thread ball hinge connecting ball head between the back-tightening nut and the internal thread sleeve.

[0009] With the above settings, the connecting rod assembly of the present utility model realizes single - end quick adjustment, increases the strength of the connecting rod assembly. Inside the internal - thread sleeve, a long - thread ball - hinge connecting ball head is connected through a thread structure, and a back - tightening nut is screwed on the outer end of the threaded rod of the long - thread ball - hinge connecting ball head. The end of the back - tightening nut is closely attached to the outer end of the internal - thread sleeve. This not only increases the strength of the connecting rod assembly but also enables quick adjustment of bilateral selection, improves the product strength, reduces the production cost of the whole vehicle and the purchase cost of users, and meets the requirements of the whole - vehicle users. The connection parts between each ball head and the ball seat are covered with a sheath. The two ends of the sheath are respectively provided with lips fixedly connected to the outer end of the corresponding ball head and the ball seat, that is, it adopts sheath support + lip seal protection to improve the sealing performance, makes the joint assembly adopt a maintenance - free structure, realizes lifetime maintenance - free, and reduces the user's maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present utility model will be further described in conjunction with the accompanying drawings.

[0011] Figure 1 It is the front - view structural schematic diagram of the present utility model;

[0012] Figure 2 It is the side - view structural schematic diagram of the present utility model. SPECIFIC EMBODIMENTS Embodiment 1

[0013] As Figure 1 shown, an agricultural - machinery steering connecting rod assembly includes a joint assembly 1 and a connecting - rod body 2. One end of the connecting - rod body 2 is provided with a steering ball seat 3, and the other end is provided with an internal - thread sleeve 4. The ball rod ball head of the joint assembly 1 is located inside the steering ball seat 3. Inside the internal - thread sleeve 4, a long - thread ball - hinge connecting ball head 5 is connected through a thread structure, and the ball head of the long - thread ball - hinge connecting ball head 5 is located inside a connecting ball seat 6.

[0014] A back - tightening nut 7 is screwed on the outer end of the threaded rod of the long - thread ball - hinge connecting ball head 5, and the end of the back - tightening nut 7 is closely attached to the outer end of the internal - thread sleeve 4. The connection parts between each ball head and the ball seat are covered with a sheath 8. The two ends of the sheath 8 are respectively provided with lips fixedly connected to the outer end of the corresponding ball head and the ball seat.

[0015] The joint assembly 1 is a joint - clip locking joint assembly. A joint clip 9 is provided at one end of the connecting - rod body 2, and the fixed rod of the steering ball seat 3 is inserted into the joint clip 9 and locked. Embodiment 2

[0016] As Figure 2As shown in the figure, an agricultural machinery steering link assembly includes a joint assembly 1 and a link rod body 2. One end of the link rod body 2 is provided with a steering ball seat 3, and the other end is provided with an internal thread sleeve 4. The ball head of the ball rod of the joint assembly 1 is located within the steering ball seat 3. A long-thread ball hinge connecting ball head 5 is connected within the internal thread sleeve 4 through a threaded structure, and the ball head of the long-thread ball hinge connecting ball head 5 is located within a connecting ball seat 6.

[0017] A back-tightening nut 7 is screwed onto the outer end of the threaded rod of the long-thread ball hinge connecting ball head 5, and the end of the back-tightening nut 7 is closely attached to the outer end of the internal thread sleeve 4. The connection parts between each ball head and the ball seat are covered with a sheath 8, and both ends of the sheath 8 are provided with lips fixedly connected to the outer end of the corresponding ball head and the ball seat respectively.

[0018] The joint assembly 1 is a riveted joint assembly. The fixed rod of the steering ball seat 3 is fixedly connected to one end of the link rod body 2 through riveting, and an annular locking washer 10 is sleeved on the threaded rod of the long-thread ball hinge connecting ball head 5 between the back-tightening nut 7 and the internal thread sleeve 4.

[0019] The working principle of the present utility model:

[0020] In Embodiments 1 and 2 of the present utility model, the link assembly realizes single-end quick adjustment, increases the strength of the link assembly, and adopts a structure of connecting a round steel connecting rod with a back-tightening connecting ball head through an internal thread joint of the joint, that is, a long-thread ball hinge connecting ball head 5 is connected within the internal thread sleeve 4 through a threaded structure, and a back-tightening nut 7 is screwed onto the outer end of the threaded rod of the long-thread ball hinge connecting ball head 5, and the end of the back-tightening nut 7 is closely attached to the outer end of the internal thread sleeve 4. This not only increases the strength of the link assembly, but also realizes quick adjustment of bilateral selection, improves the product strength, reduces the production cost of the whole vehicle and the purchase cost of users, and meets the requirements of the whole vehicle users.

[0021] The above is only the schematic specific implementation manner of the present utility model, and is not intended to limit the scope of the present utility model. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of the present utility model shall fall within the scope of protection of the present utility model.

Claims

1. A steering linkage assembly for agricultural machinery, comprising a joint assembly (1) and a linkage shaft (2), characterized in that: A steering ball seat (3) is provided at one end of the connecting rod shaft (2), and an internal threaded sleeve (4) is provided at the other end. The ball head of the ball rod of the joint assembly (1) is located in the steering ball seat (3). A long threaded ball joint connecting ball head (5) is connected in the internal threaded sleeve (4) via a threaded structure. The ball head of the long threaded ball joint connecting ball head (5) is located in the connecting ball seat (6).

2. The agricultural machinery steering linkage assembly according to claim 1, characterized in that: The outer end of the threaded rod of the long threaded ball joint connecting the ball head (5) is screwed with a back-tightening nut (7), and the end of the back-tightening nut (7) is closely attached to the outer end of the internal threaded sleeve (4).

3. The agricultural machinery steering linkage assembly according to claim 1, characterized in that: The connection portion between each ball head and the ball seat is covered with a sheath (8), and both ends of the sheath (8) are respectively provided with lips fixedly connected to the outer end of the corresponding ball head and the ball seat.

4. The agricultural machinery steering linkage assembly according to claim 1, characterized in that: The joint assembly (1) is a joint clamp locking joint assembly, one end of the connecting rod body (2) is provided with a joint clamp (9), and the fixing rod of the steering ball seat (3) is inserted into the joint clamp (9) and locked.

5. The agricultural machinery steering linkage assembly according to claim 1, characterized in that: The joint assembly (1) is a riveted joint assembly, wherein the fixed rod of the steering ball seat (3) is fixedly connected to one end of the connecting rod body (2) by riveting, and a long threaded ball joint between the back-tightening nut (7) and the internal threaded sleeve (4) is connected to the threaded rod of the ball head (5) and a circular locking washer (10) is sleeved on the threaded rod.

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