Piston pin convenient to use

Abstract

The utility model provides a piston pin convenient to use, and belongs to the technical field of piston pins. The piston pin body is mounted in the piston pin seat by being connected with the connecting rod; the second mounting circular truncated cone is fixedly connected into the piston pin body and can increase the strength of the piston pin body; the through hole is formed in and penetrates through one end of the second mounting circular truncated cone, and when the piston pin body deforms, the through hole extrudes inwards so that the strength of the piston pin body can be improved; the two first mounting circular truncated cones are fixedly connected into the piston pin body, after the piston pin body is extruded by a connecting rod, the inner structure of the piston pin body is shrunk, meanwhile, the through hole and the supporting hole extrude inwards, the three edges of the supporting hole are extruded and stacked mutually, the compression resistance and deformation resistance effects of the piston pin body can be improved, and the service life of the piston pin body is prolonged. And after the piston pin body is deformed, the hook groove can be hooked by the hook to take out the piston pin body, so that the operation of a worker is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of piston pins, and in particular relates to a piston pin that is easy to use. Background Art

[0002] The piston pin is a cylindrical pin installed on the piston skirt. Its middle part passes through the small hole of the connecting rod and is used to connect the piston and the connecting rod. Its function is to transmit the gas force borne by the piston to the connecting rod, or to make the small end of the connecting rod drive the piston to move together. In order to reduce weight, the piston pin is generally made of high-quality alloy steel and made hollow.

[0003] The authorization publication number "CN209430300U" records "a piston pin, belonging to the field of automobile engine technology. It solves the problem that the existing piston pins are easy to wear and have a short service life. The piston pin includes a piston pin body with a through hole inside, and an oil storage tank is provided on one end face of the piston pin body. The inner cavity of the oil storage tank is in a two-stage stepped shape. A plurality of oil outlet holes arranged opposite to each other and connected to the corresponding oil storage tanks are provided on the inner peripheral wall of the piston pin body located at the through hole. An annular plate is provided in the oil storage tank, which is fixedly connected to the oil storage tank and one end face is in contact with the stepped surface in the oil storage tank. Two connecting holes 1 that are arranged opposite to each other and axially penetrate the annular plate are provided on the annular plate. The annular plate is provided with an oil filling nozzle that seals the corresponding connecting hole 1 and is fixedly connected to the annular plate at one of the two connecting holes. A sealing ring plate that seals the oil storage tank opening and is fixedly connected to the oil storage tank is also provided in the oil storage tank. The utility model has the advantages of lubrication function, reduced wear and long service life."

[0004] The above patent has the advantages of lubrication function, reduced wear and long service life, but after the piston pin in the prior art is squeezed by the connecting rod, the piston pin body is easily deformed and difficult to remove, which makes it inconvenient for workers to operate. Utility Model Content

[0005] The utility model aims to provide a piston pin which is easy to use, and aims to solve the problem in the prior art that after the piston pin is squeezed by the connecting rod, the piston pin body is easily deformed and difficult to be removed, thereby causing inconvenience to workers during operation.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A piston pin convenient for use comprises:

[0008] Piston pin body;

[0009] A second mounting truncated cone is fixedly connected to the piston pin body;

[0010] A through hole is formed and passes through one end of the second mounting truncated cone;

[0011] Two first mounting round platforms, fixedly connected to the piston pin body;

[0012] Two supporting holes are respectively opened and penetrate through one end of the two first mounting truncated cones;

[0013] Two hook grooves are arranged in the piston pin body.

[0014] As a preferred solution of the utility model, both ends of the piston pin body are provided with pinch grooves.

[0015] As a preferred solution of the utility model, both ends of the two first mounting truncated tables are fixedly connected with fixing rings.

[0016] As a preferred solution of the utility model, oil guide grooves are provided on both side ends of the piston pin body.

[0017] As a preferred solution of the utility model, the through hole is elliptical in shape, and the two supporting holes are triangular in shape.

[0018] As a preferred solution of the utility model, both ends of the piston pin body are provided with rounded corners.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. In this solution, when the piston pin body is squeezed by the connecting rod, the internal structure of the piston pin body shrinks, and at the same time, the through hole and the support hole are squeezed inward, and the three sides of the support hole are squeezed and stacked on each other, which can increase the compression and deformation resistance of the piston pin body. When the piston pin body is deformed, the piston pin body can be taken out by hooking the hook groove, so that the workers can operate more conveniently.

[0021] 2. In this solution, the fixing ring arranged in the piston pin body can increase the firmness of the first mounting cone in the piston pin body, the pinch grooves arranged at both ends of the piston pin body can facilitate workers to take the piston pin body and install the piston pin body in the piston pin seat, and the rounded corners arranged on the surface of the piston pin body can prevent the piston pin body from scratching the workers' hands. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a three-dimensional diagram of the utility model;

[0024] Figure 2 This is a cross-sectional view of the utility model;

[0025] Figure 3 This is a cross-sectional view from a first perspective of the piston pin body of the utility model;

[0026] Figure 4 This is a cross-sectional view from a second viewing angle of the piston pin body of the present invention.

[0027] In the figure: 1. piston pin body; 2. oil guide groove; 3. pinch groove; 4. fixing ring; 5. first mounting round table; 6. support hole; 7. hook groove; 8. second mounting round table; 9. through hole. DETAILED DESCRIPTION

[0028] 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.

[0029] Example 1

[0030] See also Figure 1-Figure 4 , the utility model provides the following technical solutions:

[0031] A piston pin convenient for use comprises:

[0032] The piston pin body 1 is installed in the piston pin seat by connecting with the connecting rod;

[0033] The second mounting truncated cone 8 is fixedly connected to the piston pin body 1 to increase the strength of the piston pin body 1;

[0034] A through hole 9 is provided and penetrates one end of the second mounting truncated cone 8. When the piston pin body 1 is deformed, the through hole 9 is squeezed inwardly to increase the strength of the piston pin body 1.

[0035] Two first mounting truncated cones 5 are fixedly connected to the piston pin body 1 to increase the strength of the structure inside the piston pin body 1;

[0036] Two support holes 6 are respectively opened and penetrate one end of the two first mounting truncated cones 5. When the piston pin body 1 is deformed, the three sides of the support holes 6 are squeezed against each other, which can reduce the deformation of the piston pin body 1.

[0037] Two hook grooves 7 are provided in the piston pin body 1 , and the piston pin body 1 can be taken out by hooking the hook grooves 7 .

[0038] like Figure 2As shown, pinch grooves 3 are provided at both ends of the piston pin body 1 to facilitate workers to take the piston pin body 1 .

[0039] like Figure 2 As shown, both ends of the two first mounting truncated cones 5 are fixedly connected with fixing rings 4 , which can increase the strength of the first mounting truncated cones 5 and the piston pin body 1 .

[0040] like Figure 2 As shown, oil guide grooves 2 are provided at both side ends of the piston pin body 1 , so as to guide the lubricating oil on the surface of the piston pin body 1 into the two ends of the piston pin body 1 .

[0041] like Figure 2 As shown, the through hole 9 is elliptical in shape, which can increase the strength of the through hole 9. The two support holes 6 are triangular in shape, which can increase the anti-deformation ability of the piston pin body 1 when the support holes 6 are deformed.

[0042] like Figure 2 As shown, both ends of the piston pin body 1 are provided with rounded corners, which can prevent the two ends of the piston pin body 1 from scratching workers.

[0043] The working principle and use process of the utility model are as follows: when the piston pin body 1 is squeezed by the connecting rod, the internal structure of the piston pin body 1 shrinks, and at the same time, the through hole 9 and the support hole 6 are squeezed inward, and the three sides of the support hole 6 are squeezed and stacked on each other, which can increase the compression and deformation resistance of the piston pin body 1. When the piston pin body 1 is deformed, the piston pin body 1 can be taken out by hooking the hook groove 7, so that the workers can operate more conveniently.

[0044] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A piston pin that is easy to use, characterized in that: include: Piston pin body (1); A second mounting truncated cone (8) fixedly connected to the piston pin body (1); A through hole (9) is formed and passes through one end of the second mounting truncated platform (8); Two first mounting truncated cones (5) are fixedly connected inside the piston pin body (1); Two supporting holes (6) are respectively formed on and penetrate one end of the two first mounting truncated platforms (5); Two hook grooves (7) are provided in the piston pin body (1).

2. A convenient-to-use piston pin according to claim 1, characterized in that: Both ends of the piston pin body (1) are provided with pinch grooves (3).

3. A convenient-to-use piston pin according to claim 2, characterized in that: Both ends of the two first mounting truncated platforms (5) are fixedly connected with fixing rings (4).

4. A convenient-to-use piston pin according to claim 3, characterized in that: Oil guide grooves (2) are provided on both side ends of the piston pin body (1).

5. A convenient-to-use piston pin according to claim 4, characterized in that: The through hole (9) is elliptical in shape, and the two supporting holes (6) are triangular in shape.

6. A convenient-to-use piston pin according to claim 5, characterized in that: Both ends of the piston pin body (1) are provided with rounded corners.

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