Self-locking type pin shaft connecting structure convenient to disassemble

Abstract

The utility model relates to the technical field of pin shaft connecting structures, and discloses a self-locking pin shaft connecting structure convenient to disassemble, which comprises a first connecting shaft, a second connecting shaft is slidably connected in the first connecting shaft, a fixing block is fixedly connected to the upper surface of the second connecting shaft, and a limiting assembly is arranged on the outer wall of the second connecting shaft. The outer wall of the first connecting shaft is slidably connected with a lantern ring, a clamping assembly is arranged in the first connecting shaft, the limiting assembly comprises a limiting ring, the inner wall of the limiting ring is fixedly connected to the outer wall of the second connecting shaft, and the clamping assembly comprises a plurality of limiting columns. According to the utility model, through the matching design of the limiting column and the circular groove of the lantern ring, the limiting column can be embedded into the aligning circular groove of the connecting shaft I and the lantern ring at the same time by pushing the lantern ring, the limiting ring is clamped to realize reliable self-locking, the locking process is ensured to be smooth by guiding of the wedge-shaped side ring, connection can be completed without additional tools, and the mounting efficiency and the structural stability are obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pin shaft connecting structure technical field especially relates to a convenient to disassemble self -locking pin shaft connecting structure. BACKGROUND

[0002] Pin shaft connection is a common connection method, by using pin shaft to fix two components together, ensure that they can keep relative stable positioning and torque transmission during use. The connection method is widely used in mechanical and engineering field, can effectively connect different types of components, meet the use demand under different working environment.

[0003] Traditional pin shaft connection is composed of pin shaft, pin hole, matched fixing part and positioning device. Pin shaft connects two components together through corresponding pin hole, matched fixing part is usually used to ensure that pin shaft does not loosen or fall off during installation, part design also includes positioning device, which helps to improve the accuracy and stability of connection.

[0004] The disassembly of traditional pin shaft connection is not convenient, mainly because pin shaft and pin hole are usually closely matched, sometimes additional tools or torque are needed to pull out pin shaft from the hole. At the same time, if pin shaft is used for a long time, due to wear, corrosion and other reasons, disassembly becomes more difficult, such disassembly difficulty leads to prolonged maintenance time, increased equipment downtime, and further affects production efficiency. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of convenient to disassemble self -locking pin shaft connecting structure, to improve the disassembly of traditional pin shaft connection not convenient, lead to prolonged maintenance time, increased equipment downtime, and further affects production efficiency problem.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a kind of convenient to disassemble self -locking pin shaft connecting structure, including connecting shaft one, the connecting shaft one inside sliding connection has connecting shaft two, the connecting shaft two upper surface is fixedly connected with fixed block, the connecting shaft two outer wall is provided with limiting component, the connecting shaft one outer wall slidingly connects with the collar, the connecting shaft one inside is provided with detent component.

[0007] Further, the limiting component includes a limiting ring, and the limiting ring inner wall is fixedly connected to the connecting shaft two outer wall.

[0008] Further, the detent component includes a plurality of limiting columns, and the plurality of limiting columns are arranged in the connecting shaft one.

[0009] Further, a plurality of circular grooves two are formed in the connecting shaft one, and a plurality of circular grooves one are formed in the collar.

[0010] Further, the first connecting shaft is internally provided with a plurality of limiting columns.

[0011] Further, the limiting column is fixedly connected with a wedge-shaped side ring at both ends, and is slidably connected in the first circular groove and the second circular groove.

[0012] Further, an inner groove is formed in the sleeve ring, and a spring is arranged in the sleeve ring.

[0013] Further, one end of the spring is fixedly connected in the sleeve ring, and the other end of the spring is fixedly connected to the outer wall of the first connecting shaft.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. In the utility model, first, the cooperation of the limiting column and the sleeve ring circular groove is designed, the limiting column is embedded in the aligned circular groove of the first connecting shaft and the sleeve ring at the same time by pushing the sleeve ring, the limiting ring is clamped to realize reliable self-locking, the wedge-shaped side ring guidance ensures smooth locking process, the connection can be completed without additional tools, and the installation efficiency and structural stability are significantly improved.

[0016] 2. In the utility model, the spring reset drives the limiting column to exit the circular groove when the sleeve ring is pulled, the locking state is quickly released, the second connecting shaft can be freely slid and disassembled, the spring energy storage structure simplifies the operation process, the firmness of self-locking and the convenience of disassembly are considered, and the efficient maintenance demand under the frequent disassembly scene is met. DRAWINGS

[0017] Figure 1 A perspective view of a self-locking pin shaft connecting structure convenient to disassemble is provided for the utility model;

[0018] Figure 2 A first connecting shaft structure schematic view of a self-locking pin shaft connecting structure convenient to disassemble is provided for the utility model;

[0019] Figure 3 A second connecting shaft structure schematic view of a self-locking pin shaft connecting structure convenient to disassemble is provided for the utility model;

[0020] Figure 4 A limiting column structure schematic view of a self-locking pin shaft connecting structure convenient to disassemble is provided for the utility model.

[0021] LEGEND:

[0022] 1, the first connecting shaft; 2, the second connecting shaft; 3, the fixed block; 4, the limiting ring; 5, the sleeve ring; 6, the first circular groove; 7, the second circular groove; 8, the limiting column; 9, the wedge-shaped side ring; 10, the inner groove; 11, the spring. CONCRETE IMPLEMENTATION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] With reference to Figures 1-4 The utility model provides an embodiment: a kind of self-locking pin shaft connecting structure of convenient disassembly, including connecting shaft one 1, connecting shaft one 1 inside slidingly connected with connecting shaft two 2, fixedly connected with fixed block 3 on the upper surface of connecting shaft two 2, limiting assembly is arranged on the outer wall of connecting shaft two 2, connecting shaft one 1 outer wall slidingly connected with collar 5, be provided with clamping component in connecting shaft one 1, limiting assembly includes limit ring 4, limit ring 4 inner wall is fixedly connected in the outer wall of connecting shaft two 2, clamping component includes multiple limit posts 8, multiple limit posts 8 are arranged in connecting shaft one 1 inside, multiple circular grooves two 7 are set in connecting shaft one 1 inside, multiple circular grooves one 6 are set in the inside of collar 5, circular groove one 6 and circular groove two 7 are same in diameter, multiple limit posts 8 are set in connecting shaft one 1 inside, limit post 8 both ends are fixedly connected with wedge side ring 9, limit post 8 slidingly connected in circular groove one 6 and circular groove two 7 inside, inner groove 10 is set in the inside of collar 5, spring 11 is set in the inside of collar 5, spring 11 one end is fixedly connected in the inside of collar 5, and spring 11 other end is fixedly connected in the outer wall of connecting shaft one 1.

[0025] Specifically, connecting shaft two 2 can slide in connecting shaft one 1, limit ring 4 limits its axial displacement with the movement of connecting shaft two 2, to ensure that the position of connecting shaft two 2 does not deviate unnecessarily, in the installation process, when pushing collar 5 along the outer wall of connecting shaft one 1 slides, spring 11 in the inside of collar 5 will shrink due to pressure, then circular groove one 6 in the inside of collar 5 is aligned with circular groove two 7 of connecting shaft one 1, at this time, limit post 8 is gradually slid into circular groove one 6 and circular groove two 7 under the guidance of wedge side ring 9, so as to block limit ring 4 and realize self-locking function, when disassembly is needed, only need to pull collar 5, spring 11 will restore to original position and push collar 5 to move outward, limit post 8 will exit circular groove with the movement of collar 5, to release the locking of limit ring 4, then it can be easily slid and taken out connecting shaft two 2, through the cooperation of spring and limit post, self-locking and disassembly can be conveniently realized in the whole process, to ensure the stability of connection while simplifying disassembly operation.

[0026] Working principle: in this connection structure, the connecting shaft 2 can slide in the connecting shaft 1, the limit ring 4 moves with the connecting shaft 2 and limits its axial displacement; when installing, push the sleeve ring 5 along the outer wall of the connecting shaft 1 to slide, the spring 11 in the sleeve ring 5 is compressed and shrunk, the round groove one 6 of the sleeve ring 5 is aligned with the round groove two 7 of the connecting shaft 1, the limit column 8 slides into the round groove one 6 and the round groove two 7 under the guidance of the wedge-shaped side ring 9, and the self-locking is realized by clamping the limit ring 4; when disassembling, pull the sleeve ring 5, the spring 11 resets and pushes the sleeve ring 5 to move outwards, the limit column 8 exits the round groove with the sleeve ring 5, the locking of the limit ring 4 is released, the connecting shaft 2 can be slid out, and the convenient self-locking and disassembling functions are realized through the cooperation of the spring and the limit column.

[0027] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A self-locking pin shaft connecting structure which is easy to disassemble, comprising a connecting shaft (1), characterized in that: The connecting shaft one (1) is internally and slidably connected with a connecting shaft two (2), the upper surface of the connecting shaft two (2) is fixedly connected with a fixed block (3), the outer wall of the connecting shaft two (2) is provided with a limiting assembly, the outer wall of the connecting shaft one (1) is slidably connected with a thimble (5), and the inside of the connecting shaft one (1) is provided with a clamping assembly.

2. The self-locking pin shaft connection structure according to claim 1, wherein: The limiting assembly comprises a limiting ring (4), and the inner wall of the limiting ring (4) is fixedly connected to the outer wall of the connecting shaft two (2).

3. The self-locking pin shaft connection structure according to claim 2, wherein: The clamping assembly comprises a plurality of limiting columns (8), and the plurality of limiting columns (8) are arranged in the connecting shaft one (1).

4. The self-locking pin shaft connection structure according to claim 3, wherein: A plurality of circular grooves two (7) are formed in the connecting shaft one (1), and a plurality of circular grooves one (6) are formed in the thimble (5).

5. The easy-to-disassemble self-locking pin shaft connecting structure according to claim 4, characterized in that: The circular groove one (6) and the circular groove two (7) are of the same diameter, and a plurality of limiting columns (8) are arranged in the connecting shaft one (1).

6. The self-locking pin shaft connection structure according to claim 5, wherein: The two ends of the limiting column (8) are fixedly connected with wedge-shaped side rings (9), and the limiting column (8) is slidably connected in the circular groove one (6) and the circular groove two (7).

7. The self-locking pin shaft connection structure according to claim 6, wherein: An inner groove (10) is formed in the thimble (5), and a spring (11) is arranged in the thimble (5).

8. The self-locking pin shaft connection structure according to claim 7, wherein: One end of the spring (11) is fixedly connected to the inside of the thimble (5), and the other end of the spring (11) is fixedly connected to the outer wall of the connecting shaft one (1).

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