Clearance compensation intermediate shaft connecting rod assembly

Abstract

The utility model relates to the technical field of automobile connecting rod workpieces, and discloses a clearance compensation intermediate shaft connecting rod assembly which comprises a connecting rod, a cross shaft, a universal joint fork and a spline connecting piece, the connecting rod is installed on one side of the universal joint fork, the cross shaft is rotatably installed at one end of the spline connecting piece, and the spline connecting piece is installed on the cross shaft. The universal joint fork is rotationally connected with the cross shaft, an oil injection hole is formed in one end of the cross shaft, and a cross oil channel is formed in the cross shaft. According to the universal joint, the oil injection hole is formed in one end of the universal joint, the cross-shaped oil duct is formed in the universal joint, the oil outlets are formed in the upper ends and the lower ends of the four cross-shaped corners of the cross-shaped oil duct, and the oil injection hole is communicated with the cross-shaped oil duct, so that when the rotating position of the universal joint needs to be lubricated and maintained, the oil injection hole is opened; and then lubricating oil is injected, and the lubricating oil flows into the rotating position of the cross shaft through the design of the cross oil duct and the oil outlet.

Description

Technical Field

[0001] This utility model relates to the field of automotive connecting rod workpiece technology, and in particular to a gap-compensating intermediate shaft connecting rod assembly. Background Technology

[0002] In automotive steering systems, the backlash-compensating intermediate shaft connecting rod assembly connects the steering wheel's input shaft and the steering gear's rack, among other components. This assembly is a component used in mechanical transmission systems, primarily connecting different shafts to ensure transmission accuracy and stability. The cross shaft in existing backlash-compensating intermediate shaft connecting rod assemblies typically requires periodic maintenance. Lubrication of the cross shaft after installation is difficult because it is in an installed state and not easily disassembled.

[0003] Therefore, those skilled in the art have provided a clearance-compensating intermediate shaft connecting rod assembly to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a clearance-compensating intermediate shaft connecting rod assembly. This assembly features an oil injection hole at one end of a cross shaft, and a cross-shaped oil passage inside the cross shaft. Oil outlets are located at the upper and lower ends of the four corners of the cross-shaped oil passage, and the oil injection hole is connected to the cross-shaped oil passage. When lubrication and maintenance of the rotating parts of the cross shaft are required, the oil injection hole is opened, and lubricating oil is injected. The design of the cross-shaped oil passage and oil outlets allows the lubricating oil to flow into the rotating parts of the cross shaft. This structural design greatly improves the convenience of cross shaft lubrication and maintenance.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A clearance-compensating intermediate shaft connecting rod assembly includes a connecting rod, a cross shaft, a universal joint fork, and a spline connector. The connecting rod is installed on one side of the universal joint fork, and the cross shaft is rotatably installed on one end of the spline connector. The universal joint fork is rotatably connected to the cross shaft. An oil injection hole is provided at one end of the cross shaft, and a cross oil passage is provided inside the cross shaft. Oil outlets are provided at the upper and lower ends of the four corners of the cross oil passage. The oil injection hole and the cross oil passage are designed to communicate with each other.

[0007] The above technical solution involves an oil injection hole at one end of the cross shaft, an oil passage inside the cross shaft, and oil outlets at the upper and lower ends of the four corners of the oil passage. The oil injection hole and the oil passage are designed to be connected. When it is necessary to lubricate and maintain the rotating part of the cross shaft, the oil injection hole is opened and lubricating oil is injected. The design of the oil passage and oil outlet allows the lubricating oil to flow into the rotating part of the cross shaft.

[0008] Furthermore, a hexagonal head bolt is threaded onto one end of the top of the spline connector, and a spring washer is fitted onto the outer end of the hexagonal head bolt;

[0009] The above technical solution provides a hexagonal head bolt threaded onto one end of the spline connector to facilitate connection between the spline connector and other components. The outer end of the hexagonal head bolt is fitted with a spring washer to improve the stability of the connection and reduce vibration and wear of the hexagonal head bolt.

[0010] Furthermore, a cap is threadedly installed at the location of the oil injection hole, and the outer side of one end of the cap and the inner side of the oil injection hole are both designed with threads;

[0011] With the above technical solution, a cap is threadedly installed at the location of the oil injection hole. The outer side of one end of the cap and the inner side of the oil injection hole are both designed with threads to facilitate the sealing of the oil injection hole.

[0012] Furthermore, an identification plate is designed in the middle of the connecting rod;

[0013] The above technical solution allows for the design of an identification plate in the middle of the connecting rod, making it convenient to view the information of the connecting rod.

[0014] Furthermore, the two transverse ends of the cross shaft are rotatably connected to the spline connector, and the two longitudinal ends of the cross shaft are rotatably connected to the universal joint fork.

[0015] Through the above technical solution, the two transverse ends of the cross shaft are rotatably connected to the spline connector, and the two longitudinal ends of the cross shaft are rotatably connected to the universal joint fork, thereby connecting the cross shaft to the spline connector and the universal joint fork.

[0016] This utility model has the following beneficial effects:

[0017] 1. The present invention proposes a clearance compensation intermediate shaft connecting rod assembly, which has an oil injection hole at one end of the cross shaft and a cross oil passage inside the cross shaft. Oil outlets are provided at the upper and lower ends of the four corners of the cross oil passage, and the oil injection hole and the cross oil passage are designed to be connected. When it is necessary to lubricate and maintain the rotating part of the cross shaft, the oil injection hole is opened and lubricating oil is injected. The design of the cross oil passage and the oil outlet allows the lubricating oil to flow into the rotating part of the cross shaft. The above structural design greatly improves the convenience of lubrication and maintenance of the cross shaft. Attached Figure Description

[0018] Figure 1 This is an orthographic view of a clearance-compensating intermediate shaft connecting rod assembly proposed in this utility model;

[0019] Figure 2This is a top isometric view of a clearance-compensating intermediate shaft connecting rod assembly proposed in this utility model;

[0020] Figure 3 This is a cross-sectional view of the universal joint of the clearance compensation intermediate shaft connecting rod assembly proposed in this utility model;

[0021] Figure 4 This is a test diagram of a clearance-compensating intermediate shaft connecting rod assembly proposed in this utility model.

[0022] Legend:

[0023] 1. Connecting rod; 2. Universal joint fork; 3. Cross shaft; 4. Spline connector; 5. Hex head bolt; 6. Spring washer; 7. Identification plate; 8. Oil filling hole; 9. Cross oil passage; 10. Oil outlet; 11. Cover. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figure 1-4 This utility model provides an embodiment of a clearance-compensating intermediate shaft connecting rod assembly, including a connecting rod 1, a cross shaft 3, a universal joint fork 2, and a spline connector 4. The connecting rod 1 is installed on one side of the universal joint fork 2, and the cross shaft 3 is rotatably installed on one end of the spline connector 4. The universal joint fork 2 is rotatably connected to the cross shaft 3. An oil injection hole 8 is provided at one end of the cross shaft 3, and a cross oil passage 9 is provided inside the cross shaft 3. Oil outlets 10 are provided at the upper and lower ends of the four corners of the cross oil passage 9. The oil injection hole 8 and the cross oil passage 9 are designed to communicate. By providing an oil injection hole 8 at one end of the cross shaft 3 and a cross oil passage 9 inside the cross shaft 3, and by providing oil outlets 10 at the upper and lower ends of the four corners of the cross oil passage 9, and by providing an oil injection hole 8 and a cross oil passage 9 to communicate, when it is necessary to lubricate and maintain the rotating part of the cross shaft 3, the oil injection hole 8 is opened, and then lubricating oil is injected. The lubricating oil flows into the rotating part of the cross shaft 3 through the design of the cross oil passage 9 and the oil outlets 10.

[0026] A hexagonal head bolt 5 is threaded onto one end of the top of the spline connector 4. A spring washer 6 is fitted onto the outer end of the hexagonal head bolt 5. The threaded installation of the hexagonal head bolt 5 at one end of the top of the spline connector 4 facilitates connection of the spline connector 4 to other components. The spring washer 6 on the outer end of the hexagonal head bolt 5 improves connection stability and reduces vibration and wear of the hexagonal head bolt 5. A cap 11 is threaded onto the oil filling hole 8. One end of the cap 11 has threads on both the outer side and the inner side of the oil filling hole 8. The inner side of the oil hole 8 is designed with threads to facilitate sealing the oil hole 8. The middle of the connecting rod 1 is designed with an identification plate 7 to facilitate viewing the information of the connecting rod 1. The two ends of the cross shaft 3 are rotatably connected to the spline connector 4. The two ends of the cross shaft 3 are rotatably connected to the universal joint fork 2. The two ends of the cross shaft 3 are rotatably connected to the spline connector 4. The two ends of the cross shaft 3 are rotatably connected to the universal joint fork, so that the cross shaft 3 can be connected to the spline connector 4 and the universal joint fork.

[0027] Working principle: An oil injection hole 8 is provided at one end of the cross shaft 3, and a cross oil passage 9 is provided inside the cross shaft 3. An oil outlet 10 is provided at the upper and lower ends of the four corners of the cross oil passage 9. The oil injection hole 8 and the cross oil passage 9 are designed to be connected. When it is necessary to lubricate and maintain the rotating part of the cross shaft 3, the oil injection hole 8 is opened and lubricating oil is injected. The lubricating oil flows into the rotating part of the cross shaft 3 through the design of the cross oil passage 9 and the oil outlet 10. The above structural design greatly improves the convenience of lubrication and maintenance of the cross shaft 3. A hexagonal head bolt 5 is threaded on one end of the top of the spline connector 4 to facilitate the connection of the spline connector 4 with other components. A spring washer 6 is sleeved on the outer end of the hexagonal head bolt 5 to improve the stability of the connection and reduce the vibration and wear of the hexagonal head bolt 5.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A clearance-compensating intermediate shaft connecting rod assembly, comprising a connecting rod (1), a cross shaft (3), a universal joint fork (2), and a spline connector (4), characterized in that: The connecting rod (1) is installed on one side of the universal joint fork (2), and the cross shaft (3) is rotatably installed on one end of the spline connector (4). The universal joint fork (2) and the cross shaft (3) are rotatably connected. An oil injection hole (8) is provided at one end of the cross shaft (3). A cross oil passage (9) is provided inside the cross shaft (3). Oil outlets (10) are provided at the upper and lower ends of the four corners of the cross oil passage (9). The oil injection hole (8) and the cross oil passage (9) are designed to be connected.

2. The clearance-compensating intermediate shaft connecting rod assembly according to claim 1, characterized in that: The top end of the spline connector (4) is threaded with a hexagonal head bolt (5), and the outer end of the hexagonal head bolt (5) is fitted with a spring washer (6).

3. The clearance-compensating intermediate shaft connecting rod assembly according to claim 1, characterized in that: A cap (11) is threadedly installed at the location of the oil injection hole (8). The outer side of one end of the cap (11) and the inner side of the oil injection hole (8) are both designed with threads.

4. The clearance-compensating intermediate shaft connecting rod assembly according to claim 1, characterized in that: The connecting rod (1) has an identification plate (7) in the middle.

5. The clearance-compensating intermediate shaft connecting rod assembly according to claim 1, characterized in that: The two transverse ends of the cross shaft (3) are rotatably connected to the spline connector (4), and the two longitudinal ends of the cross shaft (3) are rotatably connected to the universal joint fork (2).

Images