Anti-fracture automobile shaft pin

Abstract

The utility model belongs to the technical field of automobile shaft pins, and discloses an anti-fracture automobile shaft pin which comprises a base, a shaft body is fixedly arranged at the top end of the base, a shaft sleeve is arranged on the outer side of the shaft body in a sleeved mode, the bottom end of the shaft sleeve is attached to the top end of the base, a flow guide groove is formed in the outer side of the shaft sleeve, and a limiting hole is formed in the outer side of the upper portion of the shaft body. The top end of the shaft body is sleeved with a buckle plate, a limiting groove is formed in the outer side of the buckle plate, a limiting column is rotatably arranged in the limiting groove, the outer side of the limiting column is embedded into the limiting hole, a sliding groove is formed in the buckle plate, a limiting plate is slidably arranged in the sliding groove, and the top end of the limiting plate is attached to the outer side of the limiting column. By means of the scheme, the problems that in the using process, the friction force of the automobile shaft pin in the moving process is increased, the stress borne by the shaft body is too large, the shaft body is prone to breakage, and accidents happen are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile axle pins, in particular to an anti-fracture automobile axle pin. Background Art

[0002] Axle pins are a type of standardized fasteners that can be used for static fixed connections or for relative movement with the connected parts. They are mainly used at the hinges of two parts to form hinge connections. The pin shaft is usually locked with a cotter pin, which is reliable in operation and easy to disassemble. The pins are generally installed by pressing in or knocking in soft metal. The pins are usually conical, pointed or pointed wood or metal nails, which are used to nail or fasten or fill holes. Pins play a vital role in the connection of mechanical parts. According to their shapes and functions, they can be divided into: cotter pins, conical pins, cylindrical pins, grooved pins, etc.

[0003] At the same time, an anti-fracture automobile axle pin cold heading standard part with application number 202123065196.7 includes a pin shaft assembly with a reinforcement component fixedly installed at equal intervals inside, a pressure-bearing inner shaft is centrally arranged in the pin shaft assembly, and the reinforcement component includes a reinforcement support ring on the inner edge surface of which arc-shaped fixing blocks are fixedly installed in a ring-shaped row and at equal intervals, the outer edge surface of the reinforcement support ring is fixedly connected to the inner wall of the pin shaft assembly, and a rectangular pressure-bearing plate is centrally and symmetrically fixedly installed on the inner edge surface of the arc-shaped fixing block, one end of the rectangular pressure-bearing plate away from the arc-shaped fixing block is fixedly connected to the pressure-bearing inner shaft, and both sides of the rectangular pressure-bearing plate on the ends away from the pressure-bearing inner shaft are constructed with a primary pressure-bearing rib plate fixedly connected to the arc-shaped fixing block on one side, and the end of the rectangular pressure-bearing plate away from the arc-shaped fixing block is constructed into an arc structure that fits the outer edge surface of the pressure-bearing inner shaft and is fixedly connected. The anti-fracture automobile axle pin cold heading standard part has a reasonable structure, is convenient for dispersing the load force, improves the compressive strength, and has strong practicality.

[0004] However, in the implementation of relevant technologies, the following problems were found: a standard for cold heading of anti-fracture automobile axle pins was found during use that the friction of automobile axle pins increased during movement, causing the axle body to be subjected to excessive stress, which could easily lead to axle body fracture and cause accidents.

[0005] To this end, we propose an anti-fracture automobile axle pin. Utility Model Content

[0006] In order to solve the problems raised in the above background technology, the utility model provides an anti-fracture automobile axle pin, which has the advantages of reducing friction during movement, reducing the stress on the shaft body, and preventing accidents caused by shaft breakage.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-break automobile axle pin, comprising a base, a shaft body is fixedly provided on the top of the base, a shaft sleeve is provided on the outer side of the shaft body, and the bottom end of the shaft sleeve is fitted with the top of the base, a guide groove is provided on the outer side of the shaft sleeve, and a limiting hole is provided on the upper outer side of the shaft body.

[0008] Preferably, a buckle plate is sleeved on the top end of the shaft body, a limiting groove is provided on the outer side of the buckle plate, a limiting column is rotatably provided inside the limiting groove, and the outer side of the limiting column is engaged with the limiting hole.

[0009] Preferably, a sliding groove is provided inside the buckle plate, a limiting plate is slidably provided inside the sliding groove, and the top end of the limiting plate is fitted with the outer side of the limiting column.

[0010] Preferably, a spring is fixedly provided inside the sliding groove, and the other end of the spring is in contact with the outer side of the limiting plate.

[0011] Preferably, a groove is provided on the outer side of the buckle plate, a limiting bolt is rotatably provided inside the groove, and the other end of the limiting bolt passes through the buckle plate and is rotatably connected to the inside of the limiting plate.

[0012] Preferably, an oil inlet is provided on the outer side of the shaft sleeve, and the oil inlet passes through the shaft sleeve and fits the outer side of the shaft body.

[0013] Preferably, the shaft body is made of high-strength alloy steel, which has excellent tensile strength and toughness.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model sets a shaft body. When installing the shaft pin, first insert the shaft sleeve into the inside of the mounting hole, and insert the shaft body outside the base into the inside of the shaft sleeve. The guide groove outside the shaft sleeve is used to discharge impurities generated during the movement. The oil inlet is used to flow the lubricating oil inside the mounting hole to the outside of the shaft body to reduce friction. The material of the shaft body is high-strength alloy steel. The high-strength alloy steel has excellent tensile strength and toughness, so as to prevent the shaft body from being subjected to excessive stress during the movement, resulting in the shaft body breaking and causing accidents.

[0016] 2. The utility model sets a limit column, inserts the limit column inside the limit groove into the limit hole, rotates the buckle plate, fits the buckle plate with the top of the shaft body, rotates the limit bolt inside the groove, and the limit bolt rotates to drive the limit plate to slide inside the sliding groove. The spring undergoes elastic deformation to stretch and contract, and moves the limit plate to fit with the outer side of the limit column, thereby achieving the purpose of limiting and fixing the limit column and preventing the limit column from falling off from the inside of the limit hole during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the gusset plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the shaft structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the gusset plate of the utility model.

[0021] In the figure: 1. base; 2. shaft body; 3. bushing; 4. guide groove; 5. oil inlet; 6. limit hole; 7. buckle plate; 8. limit groove; 9. limit column; 10. sliding groove; 11. limit plate; 12. spring; 13. groove; 14. limit bolt. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figures 1 to 4 As shown, the utility model provides an anti-fracture automobile axle pin, including a base 1, a shaft body 2 is fixedly provided on the top of the base 1, a shaft sleeve 3 is sleeved on the outer side of the shaft body 2, and the bottom end of the shaft sleeve 3 is fitted with the top of the base 1, a guide groove 4 is opened on the outer side of the shaft sleeve 3, and the guide groove 4 on the outer side of the shaft sleeve 3 is used to discharge impurities generated during the movement, and a limiting hole 6 is opened on the upper outer side of the shaft body 2.

[0024] Specifically, a buckle plate 7 is sleeved on the top end of the shaft body 2, a limiting groove 8 is opened on the outer side of the buckle plate 7, a limiting column 9 is rotatably arranged inside the limiting groove 8, and the outer side of the limiting column 9 is embedded with the limiting hole 6, and the limiting column 9 inside the limiting groove 8 is inserted into the inside of the limiting hole 6.

[0025] Furthermore, a sliding groove 10 is opened inside the buckle plate 7, and a limit plate 11 is slidably provided inside the sliding groove 10, and the top of the limit plate 11 is fitted with the outer side of the limit column 9. The limit plate 11 is moved to fit with the outer side of the limit column 9, so as to limit and fix the limit column 9, thereby preventing the limit column 9 from falling off from the inside of the limit hole 6 during movement, causing accidents.

[0026] Furthermore, a spring 12 is fixedly provided inside the sliding groove 10 , and the other end of the spring 12 is in contact with the outer side of the limiting plate 11 , so that the spring 12 undergoes elastic deformation to stretch and contract.

[0027] It is worth mentioning that a groove 13 is opened on the outer side of the buckle plate 7, and a limit bolt 14 is rotatably provided inside the groove 13, and the other end of the limit bolt 14 passes through the buckle plate 7 and is rotatably connected to the inner side of the limit plate 11. The rotation of the limit bolt 14 drives the limit plate 11 to slide inside the sliding groove 10.

[0028] It is worth noting that an oil inlet 5 is provided on the outer side of the sleeve 3, and the oil inlet 5 passes through the sleeve 3 and fits the outer side of the shaft body 2. The oil inlet 5 is used to flow the lubricating oil inside the mounting hole into the outer side of the shaft body 2 to reduce friction, thereby preventing the shaft body 2 from being broken due to excessive stress during movement, which may lead to accidents.

[0029] It is worth mentioning that the material of the shaft body 2 is high-strength alloy steel, which has excellent tensile strength and toughness, so that the shaft body 2 has excellent tensile strength and toughness, preventing it from being broken due to excessive stress during use.

[0030] Working principle: When installing the axle pin, first insert the sleeve 3 into the mounting hole, and insert the shaft body 2 on the outside of the base 1 into the sleeve 3. The guide groove 4 on the outside of the sleeve 3 is used to discharge impurities generated during the movement. The oil inlet 5 is used to allow the lubricating oil in the mounting hole to flow into the outside of the shaft body 2 to reduce friction, thereby preventing the shaft body 2 from being subjected to excessive stress during the movement, causing the shaft body 2 to break, and causing accidents. Insert the limiting column 9 inside the limiting groove 8 into the limiting hole 6, rotate the buckle plate 7, and fit the buckle plate 7 with the top of the shaft body 2, rotate the limiting bolt 14 inside the groove 13, and the limiting bolt 14 rotates to drive the limiting plate 11 to slide inside the sliding groove 10. The spring 12 undergoes elastic deformation to stretch and contract, and moves the limiting plate 11 to fit the outside of the limiting column 9, thereby limiting and fixing the limiting column 9, preventing the limiting column 9 from falling off from the inside of the limiting hole 6 during the movement, causing accidents.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-fracture automobile axle pin, comprising a base (1), characterized in that: A shaft body (2) is fixedly provided at the top end of the base (1), a shaft sleeve (3) is sleeved on the outer side of the shaft body (2), and the bottom end of the shaft sleeve (3) is in contact with the top end of the base (1), a guide groove (4) is provided on the outer side of the shaft sleeve (3), and a limiting hole (6) is provided on the outer side of the upper part of the shaft body (2).

2. The anti-fracture automobile axle pin according to claim 1, characterized in that: A buckle plate (7) is sleeved on the top end of the shaft body (2), a limit groove (8) is provided on the outer side of the buckle plate (7), a limit column (9) is rotatably provided inside the limit groove (8), and the outer side of the limit column (9) is engaged with the limit hole (6).

3. The anti-fracture automobile axle pin according to claim 2, characterized in that: A sliding groove (10) is provided inside the buckle plate (7), a limiting plate (11) is slidably provided inside the sliding groove (10), and the top end of the limiting plate (11) is in contact with the outer side of the limiting column (9).

4. The anti-fracture automobile axle pin according to claim 3, characterized in that: A spring (12) is fixedly arranged inside the sliding groove (10), and the other end of the spring (12) is in contact with the outer side of the limiting plate (11).

5. The anti-fracture automobile axle pin according to claim 2, characterized in that: A groove (13) is provided on the outer side of the buckle plate (7), a limiting bolt (14) is rotatably provided inside the groove (13), and the other end of the limiting bolt (14) passes through the buckle plate (7) and is rotatably connected to the inside of the limiting plate (11).

6. The anti-fracture automobile axle pin according to claim 1, characterized in that: An oil inlet (5) is provided on the outer side of the shaft sleeve (3), and the oil inlet (5) penetrates the shaft sleeve (3) and fits the outer side of the shaft body (2).

7. The anti-fracture automobile axle pin according to claim 1, characterized in that: The material of the shaft body (2) is high-strength alloy steel, which has excellent tensile strength and toughness.

Images