Novel wear-resistant pin shaft

Abstract

The utility model provides a novel wear-resistant pin shaft, and belongs to the technical field of mechanical parts. The problems that a traditional pin shaft is prone to abrasion in the long-term use process, an effective lubricating structure is lacked, and the service life of equipment is shortened are solved. The novel wear-resistant pin shaft comprises a pin shaft body, a locking assembly which is arranged on one side of the pin shaft body and used for fixing, a mounting block is arranged at the other end of the pin shaft body, a wear-resistant sleeve used for protecting the pin shaft body is arranged on the pin shaft body in a sleeving mode, and a supporting assembly used for supporting the wear-resistant sleeve is arranged on the pin shaft body. The utility model has the advantage that the wear resistance and the lubricity are improved.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical parts technology, and specifically relates to a new type of wear-resistant pin. Background Technology

[0002] A pin is a standardized fastener that can provide a static, fixed connection or allow relative movement between the pin and the connected parts. It is primarily used at the hinge joints of two parts to form a hinge connection. Pins are typically locked with cotter pins, ensuring reliable operation and easy disassembly.

[0003] Traditional pins have many problems during long-term use: on the one hand, they are mostly made of ordinary steel with low hardness. When subjected to large loads and frequent friction, the surface is easily worn, which causes changes in the pin size and affects the assembly accuracy and operational stability of the equipment; on the other hand, traditional pins lack an effective lubrication structure. The heat and wear particles generated during friction will accelerate the damage of the pin and reduce the service life of the equipment. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a new type of wear-resistant pin.

[0005] The objective of this utility model can be achieved through the following technical solution: A novel wear-resistant pin includes a pin, a locking component for fixing is provided on one side of the pin, and an installation block is provided at the other end of the pin. The pin is characterized by having a wear-resistant sleeve for protecting it, a support component for supporting the wear-resistant sleeve on the pin, several oil grooves for installing the support component on the pin, and lubricating oil in the oil grooves. The support component includes a return spring and a ball bearing, a fixing plate is provided at the bottom of the return spring, and a limiting groove for restricting and allowing the ball bearing to move is provided on the inner wall of the wear-resistant sleeve.

[0006] In the aforementioned novel wear-resistant pin, the wear-resistant sleeve is provided with a positioning groove for positioning.

[0007] In the aforementioned novel wear-resistant pin, the locking assembly has several bolt holes for fixing.

[0008] Compared with the prior art, this new wear-resistant pin reduces the friction between the pin and the wear-resistant sleeve by fitting a wear-resistant sleeve on the pin and providing a lubricating film between them to store and lubricate, thereby reducing wear and increasing the service life of the pin. Attached Figure Description

[0009] Figure 1 This is a three-dimensional structural diagram of the new wear-resistant pin.

[0010] Figure 2 This is a cross-sectional view of the new wear-resistant pin.

[0011] Figure 3 This is a partial sectional view of the new wear-resistant pin.

[0012] In the diagram, 1 is the pin; 2 is the locking assembly; 3 is the mounting block; 4 is the wear-resistant sleeve; 5 is the oil groove; 6 is the return spring; 7 is the ball bearing; 8 is the fixing plate; 9 is the limit groove; 10 is the positioning groove; and 11 is the bolt hole. Detailed Implementation

[0013] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0014] like Figure 1 , Figure 2 , Figure 3 As shown, the novel wear-resistant pin 1 includes a pin 1, a locking assembly 2 for fixing is provided on one side of the pin 1, and a mounting block 3 is provided at the other end of the pin 1. A wear-resistant sleeve 4 is fitted on the pin 1 to protect it. A support assembly is provided on the pin 1 to support the wear-resistant sleeve 4. The support assembly fixes the wear-resistant sleeve 4 to prevent it from sticking to the pin 1 during installation and causing wear. Several oil grooves 5 are provided on the pin 1 for installing the support assembly, and the oil grooves 5 are filled with lubricating oil. The support assembly includes... The return spring 6 and the ball 7 are provided. A fixed plate 8 is provided at the bottom of the return spring 6. A limiting groove 9 is provided on the inner wall of the wear-resistant sleeve 4 to restrict and allow the ball 7 to move. When the wear-resistant sleeve 4 is fitted on the pin 1, the ball 7 rolls back and forth on the limiting groove 9 and presses the return spring 6 downward. The return spring 6 compresses downward and presses the fixed plate 8, causing the lubricating oil in the oil groove 5 to be squeezed out of the oil groove 5. During the rolling of the ball 7, the lubricating oil adheres to the limiting groove 9 through the ball 7 to form a lubricating film, reducing the friction generated during the movement of the wear-resistant sleeve 4 due to lack of lubricating oil.

[0015] To elaborate further, the wear-resistant sleeve 4 has a positioning groove 10 for positioning purposes.

[0016] To elaborate further, the locking assembly 2 has several bolt holes 11 for fixing purposes.

[0017] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0018] Although this document frequently uses terms such as pin 1, locking assembly 2, mounting block 3, wear-resistant sleeve 4, oil groove 5, return spring 6, ball bearing 7, fixing plate 8, limiting groove 9, positioning groove 10, and bolt hole 11, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. A novel wear-resistant pin (1), comprising a pin (1), a locking assembly (2) for fixing is provided on one side of the pin (1), and a mounting block (3) is provided at the other end of the pin (1), characterized in that, A wear-resistant sleeve (4) for protecting the pin (1) is fitted on the pin (1). A support assembly for supporting the wear-resistant sleeve (4) is provided on the pin (1). Several oil grooves (5) for installing the support assembly are provided on the pin (1). Lubricating oil is provided in the oil grooves (5). The support assembly includes a return spring (6) and a ball (7). A fixing plate (8) is provided at the bottom of the return spring (6). A limiting groove (9) for restricting and allowing the ball (7) to move is provided on the inner wall of the wear-resistant sleeve (4).

2. The novel wear-resistant pin (1) according to claim 1, characterized in that, The wear-resistant sleeve (4) is provided with a positioning groove (10) for positioning.

3. The novel wear-resistant pin (1) according to claim 1, characterized in that, The locking assembly (2) has several bolt holes (11) for fixing.

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