CN217762037U - Piston pin with lubricating and cooling structure - Google Patents
Piston pin with lubricating and cooling structure Download PDFInfo
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- CN217762037U CN217762037U CN202221861729.4U CN202221861729U CN217762037U CN 217762037 U CN217762037 U CN 217762037U CN 202221861729 U CN202221861729 U CN 202221861729U CN 217762037 U CN217762037 U CN 217762037U
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- piston pin
- oil
- pin body
- groove
- lubricating
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Abstract
The utility model provides a piston pin with lubricated cooling structure belongs to piston pin technical field. The piston pin comprises a piston pin body and a protective layer, wherein an oil hole is formed in the piston pin body, an oil groove is formed in the piston pin body, the oil hole is communicated with the oil groove, oil control grooves are formed in two sides of the piston pin body, an isolation block is arranged in each oil control groove, a fastening screw is connected to each isolation block in a threaded mode, a threaded hole is formed in the bottom of each oil control groove, and one end of each fastening screw is in threaded connection with the threaded hole; a protective layer disposed on an outer surface of the piston pin body, the outer surface of the protective layer being provided with a DLC coating. The utility model discloses a set up oilhole and oil groove, the convenience has to save lubricated cooling, lubricates it and the cooling action when conveniently using piston pin body again, makes things convenient for the use of piston pin, has increased life.
Description
Technical Field
The utility model relates to a piston pin technical field particularly, relates to a piston pin with lubricated cooling structure.
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.
Because the existing piston pin is inconvenient to lubricate and cool the surface, the problems of piston pin strain, noise and the like can be caused when the piston pin is used for a long time, and meanwhile, the wear resistance and the corrosion resistance of the piston pin are poor, so that the service life of the piston pin is short, and the piston pin with a lubricating and cooling structure is designed.
SUMMERY OF THE UTILITY MODEL
In order to make up for the above insufficiency, the utility model provides a piston pin with lubricated cooling structure.
The embodiment of the utility model provides a piston pin with lubricating and cooling structure, which comprises a piston pin body and a protective layer;
the piston pin body is provided with an oil hole, the interior of the piston pin body is provided with an oil groove, the oil hole is communicated with the oil groove, two sides of the piston pin body are provided with oil control grooves, an isolation block is arranged in each oil control groove, a fastening screw is connected to each isolation block in a threaded manner, the bottom of each oil control groove is provided with a threaded hole, and one end of each fastening screw is in threaded connection with the threaded hole;
the protective layer is provided on an outer surface of the piston pin body, and the outer surface of the protective layer is provided with a DLC coating.
In the implementation process, the oil hole and the oil groove are arranged, so that lubricating and cooling effects can be conveniently stored, the piston pin body can be conveniently lubricated and cooled when being used, the piston pin can be conveniently used, the noise occurrence condition is reduced, and the service life is prolonged; by arranging the isolation blocks, the oil leakage situation of the oil groove from the two ends of the piston pin body can be reduced, and meanwhile, the isolation blocks are convenient to disassemble and assemble through fastening screws, so that the interior of the oil groove is convenient to process; through setting up protective layer and DLC coating, can ensure that lubricated cooling oil can form the oil film outside DLC coating, the cooling lubrication of piston pin body of being convenient for, DLC coating has hardness height, coefficient of friction low, wear-resisting and advantage such as corrosion-resistant simultaneously to piston pin body's life has further been improved.
In a specific embodiment, the oil holes are provided in three groups, and the three groups of the oil holes are arranged in a straight line on the piston pin body.
In the implementation process, oil inlet and oil outlet can be conveniently carried out.
In a specific embodiment, a rubber sealing gasket is arranged between the isolation block and the oil control groove.
In the implementation process, the sealing performance can be conveniently increased, and the possibility of oil leakage from two sides is reduced.
In a specific embodiment, the outer surface of the isolation block is provided with a sinking groove, and the end part of the fastening screw is arranged in the sinking groove.
In the implementation process, the fastening screws can be conveniently installed, and leakage is prevented.
In a specific embodiment, a cylindrical groove is formed in the middle of the outer surface of the isolation block.
In the implementation process, the two sides of the piston pin body can be conveniently connected.
In a specific embodiment, four groups of fastening screws are arranged, and four groups of fastening screws are respectively arranged on the periphery of the isolation block.
In the implementation process, the installation stability of the isolation block can be improved.
In a specific embodiment, the protective layer is provided as a tool steel structure.
In the above implementation, the mechanical strength of the piston pin body can be increased.
In a specific embodiment, the DLC coating has a thickness of 0.03 to 0.08mm.
In the implementation process, the DLC coating can be conveniently subjected to corrosion resistance protection.
Has the advantages that:
1. the oil hole and the oil groove are arranged, so that lubricating and cooling effects can be conveniently stored, the piston pin body can be conveniently lubricated and cooled when being used, the piston pin can be conveniently used, the noise occurrence condition is reduced, and the service life is prolonged; by arranging the isolation blocks, the oil leakage situation of the oil groove from the two ends of the piston pin body can be reduced, and meanwhile, the isolation blocks are convenient to disassemble and assemble through fastening screws, so that the interior of the oil groove is convenient to process;
2. the utility model discloses a set up protective layer and DLC coating, can ensure that lubricated cooling oil can form the oil film outside DLC coating, the cooling lubrication of the piston pin body of being convenient for, DLC coating has hardness height, coefficient of friction is low, wear-resisting and advantage such as corrosion-resistant simultaneously to the life of piston pin body has further been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;
FIG. 2 provides an enlarged view of the section A in FIG. 1 for an embodiment of the present invention;
FIG. 3 provides a cross-sectional view of the structure of the piston pin body according to an embodiment of the present invention;
fig. 4 is a schematic view of the surface structure of the piston pin body according to an embodiment of the present invention.
In the figure: 100. a piston pin body; 110. an oil hole; 120. an oil sump; 130. an oil control groove; 140. an isolation block; 150. fastening screws; 160. a threaded hole; 170. a rubber gasket; 180. sinking a groove; 190. a cylindrical groove; 200. a protective layer; 210. DLC coating.
Detailed Description
The technical solution in the embodiment of the present invention will be described below with reference to the accompanying drawings in the embodiment of the present invention.
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1-4, the present invention provides a piston pin with a lubricating and cooling structure, which includes a piston pin body 100 and a protective layer 200;
an oil hole 110 is formed in the piston pin body 100, an oil groove 120 is formed in the piston pin body 100, the oil hole 110 is communicated with the oil groove 120, oil control grooves 130 are formed in both sides of the piston pin body 100, an isolation block 140 is arranged in the oil control groove 130, a fastening screw 150 is connected to the isolation block 140 in a threaded manner, a threaded hole 160 is formed in the bottom of the oil control groove 130, and one end of the fastening screw 150 is connected to the threaded hole 160 in a threaded manner;
the protective layer 200 is provided on the outer surface of the piston pin body 100, the outer surface of the protective layer 200 being provided with a DLC coating 210.
The utility model discloses in the scheme, for the convenience carry out oil feed and produce oil, oilhole 110 is provided with three groups, three groups oilhole 110 is a style of calligraphy and arranges on the piston pin body 100.
In this embodiment, in order to increase the sealing performance and reduce the possibility of oil leakage from two sides, a rubber gasket 170 is disposed between the isolation block 140 and the oil control groove 130.
In specific arrangement, in order to facilitate installation of the fastening screw 150 and prevent leakage, a sunk groove 180 is formed in the outer surface of the isolation block 140, and the end of the fastening screw 150 is arranged in the sunk groove 180.
In the solution of the present invention, for the convenience of connecting the two sides of the piston pin body 100, a cylindrical groove 190 is opened at the middle position of the outer surface of the isolation block 140.
In this embodiment, in order to increase the stability of the installation of the insulation block 140, four sets of the fastening screws 150 are provided, and the four sets of the fastening screws 150 are respectively provided around the insulation block 140.
In a specific arrangement, the protective layer 200 is provided as a tool steel structure in order to increase the mechanical strength of the piston pin body 100.
In this embodiment, the DLC coating 210 has a thickness of 0.03-0.08mm for the convenience of corrosion protection of the DLC coating 210.
This piston pin with lubricated cooling structure's principle and advantage: the oil hole 110 and the oil groove 120 are arranged, so that lubricating and cooling functions can be conveniently stored, the piston pin body 100 can be conveniently lubricated and cooled when in use, the piston pin can be conveniently used, the noise occurrence condition is reduced, and the service life is prolonged; by arranging the isolation block 140, the oil leakage of the oil groove 120 from the two ends of the piston pin body 100 can be reduced, and the isolation block 140 can be conveniently disassembled and assembled through the fastening screw 150, so that the inside of the oil groove 120 can be conveniently processed; through setting up protective layer 200 and DLC coating 210, can ensure that lubricated cooling oil can form the oil film outside DLC coating 210, the cooling lubrication of piston pin body 100 of being convenient for, DLC coating 210 has advantages such as hardness height, coefficient of friction are low, wear-resisting and corrosion-resistant simultaneously to the life of piston pin body 100 has further been improved.
The above description is only an example of the present invention and is not intended to limit the scope of the present invention, and various modifications and variations can be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A piston pin with a lubricating and cooling structure is characterized by comprising
The piston pin body (100), an oil hole (110) is formed in the piston pin body (100), an oil groove (120) is formed in the piston pin body (100), the oil hole (110) is communicated with the oil groove (120), oil control grooves (130) are formed in two sides of the piston pin body (100), an isolation block (140) is arranged in the oil control groove (130), a fastening screw (150) is connected to the isolation block (140) in a threaded mode, a threaded hole (160) is formed in the bottom of the oil control groove (130), and one end of the fastening screw (150) is connected with the threaded hole (160) in a threaded mode;
a protective layer (200), the protective layer (200) being provided at an outer surface of the piston pin body (100), the outer surface of the protective layer (200) being provided with a DLC coating (210).
2. A piston pin with a lubricating and cooling structure according to claim 1, characterized in that the oil holes (110) are provided in three groups, and the three groups of the oil holes (110) are arranged in a straight line on the piston pin body (100).
3. A piston pin with lubricating and cooling structure according to claim 1, characterized in that a rubber gasket (170) is provided between the insulating block (140) and the oil control groove (130).
4. A piston pin with lubricating and cooling structure according to claim 1, characterized in that the outer surface of the insulating block (140) is provided with a sunk groove (180), and the end of the fastening screw (150) is arranged in the sunk groove (180).
5. A piston pin with lubricating and cooling structure according to claim 1, characterized in that the isolating block (140) is provided with a cylindrical groove (190) at a middle position of its outer surface.
6. A piston pin with lubricating and cooling structure according to claim 1, characterized by that, the fastening screws (150) are provided in four groups, four groups of the fastening screws (150) are respectively provided around the insulating block (140).
7. A piston pin with lubricating and cooling structure according to claim 1, characterized in that the protective layer (200) is provided as a tool steel structure.
8. A piston pin with lubricating and cooling structure according to claim 1, characterized in that the thickness of the DLC coating (210) is 0.03-0.08mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861729.4U CN217762037U (en) | 2022-07-15 | 2022-07-15 | Piston pin with lubricating and cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861729.4U CN217762037U (en) | 2022-07-15 | 2022-07-15 | Piston pin with lubricating and cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217762037U true CN217762037U (en) | 2022-11-08 |
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ID=83874634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221861729.4U Active CN217762037U (en) | 2022-07-15 | 2022-07-15 | Piston pin with lubricating and cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217762037U (en) |
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2022
- 2022-07-15 CN CN202221861729.4U patent/CN217762037U/en active Active
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