CN213298791U - Improved engine piston pin - Google Patents
Improved engine piston pin Download PDFInfo
- Publication number
- CN213298791U CN213298791U CN202022380876.7U CN202022380876U CN213298791U CN 213298791 U CN213298791 U CN 213298791U CN 202022380876 U CN202022380876 U CN 202022380876U CN 213298791 U CN213298791 U CN 213298791U
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- piston pin
- pin body
- fixing column
- groove
- fixed column
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Abstract
The utility model discloses an improved generation engine piston pin, including the piston pin body, the piston pin body is cylindrical setting, and piston pin body both ends face is the first fixed column of fixedly connected with and second fixed column respectively, first fixed column and second fixed column all are cylindrical setting, a piston pin body terminal surface is close to the lateral wall position and evenly is provided with a plurality of first recesses, another terminal surface of piston pin body is close to the lateral wall position and evenly is provided with a plurality of second recesses, all be provided with the fillet in first recess and the second recess, first fixed column terminal surface center department runs through and is provided with the through-hole. The installation direction of the piston pin body of the utility model can determine the installation position of the push rod, the idle groove can perform the heat dissipation task on the device, the mechanical fatigue is reduced, and the service life of the device is prolonged; meanwhile, the first groove and the second groove can be used alternately, the structure is simplified, the device is easy to mount, and meanwhile, the service life of the piston pin is greatly prolonged.
Description
Technical Field
The utility model relates to an engine parts field especially relates to an improved generation engine piston pin.
Background
The wrist pin is a cylindrical pin mounted on the skirt of the piston. The middle part of the connecting rod passes through a small end hole of the connecting rod and is used for connecting the piston and the connecting rod, and the function of the connecting rod is to transmit the gas acting force borne by the piston to the connecting rod or to enable the small end of the connecting rod to drive the piston to move together. The piston pin must have sufficient rigidity, strength and wear resistance. The mass is as small as possible, the pin and pin bore should have a suitable fit clearance and good surface quality, and piston pin stiffness is typically of particular importance.
The existing piston pin is simple in structure, so that the piston pin is inconvenient to mount in use, the piston pin and the push rod can be tightly connected, the device is convenient to maintain, meanwhile, the service life of the piston pin is prolonged, and the piston pin of the engine is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an improved engine piston pin.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the improved engine piston pin comprises a piston pin body, wherein the piston pin body is in a cylindrical arrangement, two end faces of the piston pin body are fixedly connected with a first fixing column and a second fixing column respectively, the first fixing column and the second fixing column are in cylindrical arrangement, a plurality of first grooves are uniformly formed in positions, close to the side wall, of one end face of the piston pin body, a plurality of second grooves are uniformly formed in positions, close to the side wall, of the other end face of the piston pin body, fillets are arranged in the first grooves and the second grooves, and a through hole is formed in the center of the end face of the first fixing column in a penetrating mode.
As a further description of the above technical solution:
the diameters of the first fixing column and the second fixing column are the same, and the diameter of the piston pin body is larger than that of the first fixing column.
As a further description of the above technical solution:
the first groove and the second groove are the same in length, and the length of the first groove is smaller than that of the side wall of the piston pin body.
As a further description of the above technical solution:
a second groove is arranged between every two adjacent first grooves, and a first groove is arranged between every two adjacent second grooves.
As a further description of the above technical solution:
the first fixing column, the second fixing column and the piston pin body are arranged in the same circular axis.
As a further description of the above technical solution:
the first fixing column, the second fixing column and the piston pin body are made of low-carbon alloy steel.
The utility model discloses following beneficial effect has:
1. the utility model provides an improved engine piston pin, which is characterized in that a first fixing column and a second fixing column are respectively and fixedly connected with two end surfaces of a piston pin body, are connected with the piston body through the first fixing column and the second fixing column, and then are sealed through a sealing ring; and meanwhile, the side wall of the piston pin body is respectively provided with a first groove and a second groove, and the end part of the push rod is fixed through the arrangement of the first groove and the second groove, so that the installation is more compact.
2. The utility model provides an improved engine piston pin, the installation direction of the piston pin body of the improved engine piston pin determines the installation position of a push rod, and an idle groove performs a heat dissipation task on the device, thereby reducing mechanical fatigue and prolonging the service life of the device; meanwhile, the first groove and the second groove can be used alternately, and the service life of the device is prolonged.
Drawings
FIG. 1 is a schematic structural view of an improved engine piston pin according to the present invention;
FIG. 2 is an elevation view of an improved engine piston pin according to the present invention;
fig. 3 is a side view of an improved engine piston pin according to the present invention.
Illustration of the drawings:
1. a piston pin body; 11. a first fixed column; 12. a second fixed column; 13. a first groove; 14. a second groove; 15. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment:
an improved engine piston pin comprises a piston pin body 1, wherein the piston pin body 1 is arranged in a cylindrical shape, the shape of the piston pin body 1 is determined, two end faces of the piston pin body 1 are fixedly connected with a first fixing column 11 and a second fixing column 12 respectively, the first fixing column 11 and the second fixing column 12 are arranged in a cylindrical shape, the piston pin body is connected with the first fixing column 11 and the second fixing column 12 and then sealed through sealing rings, a plurality of first grooves 13 are uniformly formed in positions, close to side walls, of one end face of the piston pin body 1, a plurality of second grooves 14 are uniformly formed in positions, close to the side walls, of the other end face of the piston pin body 1, the first grooves 13 and the second grooves 14 are used for fixing end portions of push rods, namely the push rods and the grooves are installed, the installation is more compact, meanwhile, the first grooves 13 and the second grooves 14 can be used alternately, and the service, all be provided with the fillet in first recess 13 and the second recess 14, the mounted position of push rod will be confirmed to piston pin body 1 direction of installation, and idle recess will carry out the heat dissipation task to the device, reduces mechanical fatigue, hoisting device life, and 11 terminal surface centers of first fixed column department runs through and is provided with through-hole 15 for reduce the quality of piston pin body 1.
The first fixing column 11 and the second fixing column 12 are the same in diameter, and the diameter of the piston pin body 1 is larger than that of the first fixing column 11. The first recess 13 and the second recess 14 are of the same length, and the length of the first recess 13 is smaller than the length of the side wall of the piston pin body 1. A second groove 14 is arranged between two adjacent first grooves 13, and a first groove 13 is arranged between two adjacent second grooves 14, so that the position relation between the first grooves 13 and the second grooves 14 is determined. The first fixed column 11, the second fixed column 12 and the piston pin body 1 are arranged in the same circle center, and the positions of the first fixed column 11, the second fixed column 12 and the piston pin body 1 are limited. The first fixing column 11, the second fixing column 12 and the piston pin body 1 are made of low-carbon alloy steel, and the materials of the first fixing column 11, the second fixing column 12 and the piston pin body 1 are clear.
The working principle is as follows: the utility model discloses at the first fixed column 11 of both ends face difference fixedly connected with and second fixed column 12 of piston pin body 1, be connected with the piston body through first fixed column 11 and second fixed column 12, the task is sealed to the rethread seal ring, first recess 13 and second recess 14's setting is used for the fixed push rod tip, the push rod is installed with the recess promptly, the installation is more compact, first recess 13 and second recess 14 can alternate use simultaneously, hoisting device life, the mounted position of push rod will be confirmed to piston pin body 1 installation direction, idle recess will dispel the heat task to the device, reduce mechanical fatigue, hoisting device life, the utility model discloses the structure is retrencied, easily the device installation, the life of piston pin has been promoted simultaneously greatly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The improved engine piston pin is characterized by comprising a piston pin body (1), wherein the piston pin body (1) is in a cylindrical arrangement, a first fixing column (11) and a second fixing column (12) are fixedly connected to two end faces of the piston pin body (1) respectively, the first fixing column (11) and the second fixing column (12) are both in the cylindrical arrangement, a plurality of first grooves (13) are uniformly formed in positions, close to a side wall, of one end face of the piston pin body (1), a plurality of second grooves (14) are uniformly formed in positions, close to the side wall, of the other end face of the piston pin body (1), fillets are arranged in the first grooves (13) and the second grooves (14), and a through hole (15) is formed in the center of the end face of the first fixing column (11).
2. An improved engine piston pin according to claim 1, characterized in that: the first fixing column (11) and the second fixing column (12) are the same in diameter, and the diameter of the piston pin body (1) is larger than that of the first fixing column (11).
3. An improved engine piston pin according to claim 1, characterized in that: the first groove (13) and the second groove (14) are the same in length, and the length of the first groove (13) is smaller than that of the side wall of the piston pin body (1).
4. An improved engine piston pin according to claim 1, characterized in that: a second groove (14) is arranged between every two adjacent first grooves (13), and a first groove (13) is arranged between every two adjacent second grooves (14).
5. An improved engine piston pin according to claim 1, characterized in that: the first fixing column (11), the second fixing column (12) and the piston pin body (1) are arranged in the same circle axis.
6. An improved engine piston pin according to claim 1, characterized in that: the first fixing column (11), the second fixing column (12) and the piston pin body (1) are made of low-carbon alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022380876.7U CN213298791U (en) | 2020-10-23 | 2020-10-23 | Improved engine piston pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022380876.7U CN213298791U (en) | 2020-10-23 | 2020-10-23 | Improved engine piston pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213298791U true CN213298791U (en) | 2021-05-28 |
Family
ID=76014160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022380876.7U Active CN213298791U (en) | 2020-10-23 | 2020-10-23 | Improved engine piston pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213298791U (en) |
-
2020
- 2020-10-23 CN CN202022380876.7U patent/CN213298791U/en active Active
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