Loader pin shaft with self-locking function

Abstract

The utility model relates to the technical field of loader pin shafts, in particular to a loader pin shaft with a self-locking function, which is characterized in that a pin shaft main body is inserted among movable parts of a loader, the movable parts of the loader are connected, and then a self-locking structure is loosened through a limiting structure, so that the pin shaft main body is limited by the self-locking structure; therefore, the practicability of the loading machine pin shaft with the self-locking function is improved; comprising a pin body. The hinge pin further comprises a self-locking structure and a limiting structure, and the self-locking structure and the limiting structure are both installed on the hinge pin body. The pin shaft main body is used for connecting all movable parts of the loading machine, the self-locking structure is used for limiting the pin shaft main body, and the limiting structure is used for limiting the self-locking structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of loader pin shaft, in particular to a kind of loader pin shaft with self-locking function. BACKGROUND

[0002] Loader pin shaft is used to connect various movable components, such as bucket, boom, connecting rod, etc., to bear large load and impact force. The existing loader pin shaft, such as the wheel loader pin shaft structure disclosed in the utility model patent with publication number CN221347552U and the reinforced pin shaft for loader disclosed in the utility model patent with publication number CN221942920U, can all play a connecting role.

[0003] However, it is found in use that the existing loader pin shaft structure is relatively simple, and the staff needs to use a pin to limit and fix the pin shaft after installation, which is time-consuming and laborious, and the poor disassembly convenience leads to poor practicality. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a kind of loader pin shaft with self-locking function, which inserts the pin shaft body into the various movable components of loader, connects the various movable components of loader, then releases the self-locking structure through the limiting structure, limits the pin shaft body by the self-locking structure, to improve the practicality of the loader pin shaft with self-locking function.

[0005] The utility model discloses a kind of loader pin shaft with self-locking function, including pin shaft body;It also includes self-locking structure and limiting structure, and self-locking structure and limiting structure are all installed on pin shaft body;

[0006] The pin shaft body connects the various movable components of loader, the self-locking structure limits the pin shaft body, and the limiting structure limits the self-locking structure.

[0007] The pin shaft body is inserted into the various movable components of loader, the various movable components of loader are connected, then the self-locking structure is released by the limiting structure, the pin shaft body is limited by the self-locking structure, to improve the practicality of the loader pin shaft with self-locking function.

[0008] Preferably, the self-locking structure includes two groups of locking columns, and long strip perforations are provided on the two groups of locking columns, and the locking columns are installed on the pin shaft body;After the pin shaft body is inserted into the various movable components of loader, the two groups of locking columns are eccentric to the pin shaft body by gravity or active depression, the pin shaft body is limited by the locking column by blocking the two sides of loader component, to improve the practicality of the loader pin shaft with self-locking function.

[0009] Preferably, the left and right parts of the pin shaft body are respectively provided with a set of support columns I, one end of the two sets of support columns I is respectively provided with a set of support columns II, the two sets of locking columns are respectively installed on the two sets of support columns I, the two sets of support columns I cooperate with the pin shaft body to limit the two sets of locking columns, and the two sets of locking columns can respectively slide and rotate on the two sets of support columns I; after the pin shaft body is inserted between each movable part of the loader, the two sets of locking columns are eccentric to the pin shaft body by gravity or active pressing, and the two sets of locking columns are limited by the two sets of support columns II, so that the pin shaft of the loader with self-locking function is improved in practicality.

[0010] Preferably, the limiting structure includes two sets of limiting columns, two sets of mounting seats and two sets of pull rings, the two sets of limiting columns are respectively slidably installed in the two sets of support columns II, the two sets of support columns II are respectively provided with springs, one end of the two sets of springs is respectively fixedly installed in the inside of the support column II, the other end of the two sets of springs is respectively installed on the two sets of limiting columns, one end of the two sets of limiting columns extends to the outside of the support column II and is inserted into the pin shaft body, the two sets of mounting seats are respectively installed on the other end of the two sets of limiting columns, and the two sets of pull rings are respectively rotatably installed on the two sets of mounting seats; before using the pin shaft body, the two sets of pull rings are pulled to the two sides respectively, so that the two sets of limiting columns are respectively retracted into the two sets of support columns II, the two sets of locking columns are lifted upward, the two sets of locking columns are concentric with the pin shaft body, then the two sets of pull rings are loosened, the two sets of limiting columns pass through the long hole in the middle of the two sets of locking columns through the elasticity of the springs in the two sets of support columns II, the two sets of locking columns are kept in the state of being concentric with the pin shaft body, then the pin shaft body is inserted between each movable part of the loader by knocking, and the two sets of locking columns are respectively located on both sides of the loader parts, then the two sets of pull rings are pulled to the two sides respectively, so that the two sets of limiting columns are respectively retracted into the two sets of support columns II, the two sets of locking columns are eccentric to the pin shaft body by gravity or active pressing, and the pin shaft body is limited by the eccentric two sets of locking columns, so that the practicality of the loader pin shaft with self-locking function is improved.

[0011] Preferably, the other end of the limiting column is provided with a dustproof shell; the dustproof shell shields dust and oil stains, reduces the influence of dust and oil stains on the spring in the support column II, and improves the practicality of the loader pin shaft with self-locking function.

[0012] Preferably, one end of the two sets of support columns II is respectively provided with a set of annular grooves; after the two sets of locking columns are in place and have the effect of limiting the pin shaft body, the two sets of pull rings are respectively put into the annular grooves on the two sets of support columns II by rotating the two sets of pull rings, so that the practicality of the loader pin shaft with self-locking function is improved.

[0013] Compared with the prior art, the beneficial effects of the utility model are that the pin shaft main body is inserted between each movable part of the loader, each movable part of the loader is connected, then the self-locking structure is loosened through the limiting structure, the self-locking structure limits the pin shaft main body, thereby improving the practicality of the loader pin shaft with self-locking function. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the first axonometric structure schematic view of the utility model;

[0015] Figure 2 It is the second axonometric structure schematic view of the utility model;

[0016] Figure 3 It is the A part enlarged structure schematic view in the utility model Figure 2

[0017] Figure 4 It is the axonometric structure schematic view of the pin shaft main body and the limiting mechanism of the utility model;

[0018] Figure 5 It is the axonometric structure schematic view of the locking column of the utility model.

[0019] Markings in the drawings: 1, pin shaft main body;2, locking column;3, long strip perforation;4, support column one;5, support column two;6, limiting column;7, mounting seat;8, pull ring;9, dustproof shell;10, annular groove. DETAILED DESCRIPTION

[0020] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. EMBODIMENT

[0021] As Figures 1 to 5 Indicated, a loader pin shaft with self-locking function, including pin shaft main body 1, still including self-locking structure and limiting structure, self-locking structure and limiting structure are all installed on pin shaft main body 1;

[0022] The pin shaft main body 1 connects each movable part of the loader, the self-locking structure limits the pin shaft main body 1, and the limiting structure limits the self-locking structure;

[0023] The self-locking structure includes two groups of locking columns 2, and the long strip perforation 3 is arranged on the two groups of locking columns 2, and the locking column 2 is installed on the pin shaft main body 1;

[0024] ​The left part and the right part of the pin shaft body 1 are respectively provided with a set of support columns one 4, one end of the two sets of support columns one 4 is respectively provided with a set of support columns two 5, the two sets of locking columns 2 are respectively installed on the two sets of support columns one 4, the two sets of support columns one 4 cooperate with the pin shaft body 1 to limit the two sets of locking columns 2, and the two sets of locking columns 2 can slide and rotate on the two sets of support columns one 4 respectively;

[0025] The limiting structure includes two sets of limiting columns 6, two sets of mounting seats 7 and two sets of pull rings 8, the two sets of limiting columns 6 are respectively slidably installed in the two sets of support columns two 5, springs are arranged in the two sets of support columns two 5, one end of the two sets of springs is respectively fixedly installed in the inside of the support column two 5, the other end of the two sets of springs is respectively installed on the two sets of limiting columns 6, one end of the two sets of limiting columns 6 extends to the outside of the support column two 5 and is inserted into the pin shaft body 1, the two sets of mounting seats 7 are respectively installed on the other end of the two sets of limiting columns 6, and the two sets of pull rings 8 are respectively rotatably installed on the two sets of mounting seats 7;

[0026] The other end of the limiting column 6 is provided with a dustproof shell 9;

[0027] One end of the two sets of support columns two 5 is respectively provided with a set of annular grooves 10;

[0028] Before the pin shaft body 1 is used, the two sets of pull rings 8 are pulled to the two sides respectively, the two sets of limiting columns 6 are respectively retracted into the two sets of support columns two 5, the two sets of locking columns 2 are lifted upwards, the two sets of locking columns 2 are concentric with the pin shaft body 1, then the two sets of pull rings 8 are loosened, the elasticity of the springs in the two sets of support columns two 5 makes the two sets of limiting columns 6 pass through the long hole 3 in the middle of the two sets of locking columns 2 respectively, the state that the two sets of locking columns 2 are concentric with the pin shaft body 1 is kept, the pin shaft body 1 is inserted into each movable part of the loader by knocking the pin shaft body 1, the two sets of locking columns 2 are respectively located on the two sides of the loader part, the two sets of pull rings 8 are pulled to the two sides respectively, the two sets of limiting columns 6 are respectively retracted into the two sets of support columns two 5, the two sets of locking columns 2 are eccentric with the pin shaft body 1 by gravity or active depression, the two sets of locking columns 2 limit the pin shaft body 1, then the two sets of locking columns 2 are in place, and the effect of limiting the pin shaft body 1 is achieved, the two sets of pull rings 8 are respectively put into the annular grooves 10 on the two sets of support columns two 5 by rotating the two sets of pull rings 8, when disassembling, the pin shaft body 1 is disassembled from the loader part by reversing the above steps, so that the practicality of the loader pin shaft with the self-locking function is improved.

[0029] The limiting column 6 and the pull ring 8 of the loader pin shaft with the self-locking function are purchased on the market, and the technical personnel in the industry only need to install and operate according to the use instruction book attached, without the creative labor of the technical personnel in the field.

[0030] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A loader pin shaft with self-locking function, comprising a pin shaft body (1); characterized in that, Also include self-locking structure and limiting structure, self-locking structure and limiting structure are installed on the pin shaft body (1); The pin shaft body (1) is connected to each movable part of the loader, the self-locking structure is limited to the pin shaft body (1), and the limiting structure is limited to the self-locking structure.

2. The self-locking loader pin shaft according to claim 1, wherein The self-locking structure includes two groups of locking columns (2), and the two groups of locking columns (2) are provided with long strip perforations (3), and the locking columns (2) are installed on the pin shaft body (1).

3. The self-locking loader pin shaft as claimed in claim 2, wherein The left and right parts of the pin shaft body (1) are respectively provided with a group of support columns one (4), and one end of the two groups of support columns one (4) is respectively provided with a group of support columns two (5), the two groups of locking columns (2) are respectively installed on the two groups of support columns one (4), the two groups of support columns one (4) cooperate with the pin shaft body (1) to limit the two groups of locking columns (2), and the two groups of locking columns (2) can slide and rotate on the two groups of support columns one (4) respectively.

4. The self-locking loader pin shaft as claimed in claim 3, wherein The limiting structure includes two groups of limiting columns (6), two groups of mounting seats (7) and two groups of pull rings (8), the two groups of limiting columns (6) are respectively slidably installed in the two groups of support columns two (5), the two groups of support columns two (5) are provided with springs, one end of the two groups of springs is respectively fixedly installed in the support column two (5), the other end of the two groups of springs is respectively installed on the two groups of limiting columns (6), one end of the two groups of limiting columns (6) extends to the outside of the support column two (5) and is inserted into the pin shaft body (1), the two groups of mounting seats (7) are respectively installed on the other end of the two groups of limiting columns (6), and the two groups of pull rings (8) are respectively rotatably installed on the two groups of mounting seats (7).

5. A loader pin shaft with self-locking function according to claim 4, characterized in that, The other end of the limiting column (6) is provided with a dustproof shell (9).

6. A loader pin shaft with self-locking function according to claim 4, characterized in that, One end of the two groups of support columns two (5) is respectively provided with a group of annular grooves (10).

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