CN217462856U - Unmanned engine connecting rod and crankshaft assembly thereof - Google Patents
Unmanned engine connecting rod and crankshaft assembly thereof Download PDFInfo
- Publication number
- CN217462856U CN217462856U CN202221471288.7U CN202221471288U CN217462856U CN 217462856 U CN217462856 U CN 217462856U CN 202221471288 U CN202221471288 U CN 202221471288U CN 217462856 U CN217462856 U CN 217462856U
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- connecting rod
- crankshaft
- unmanned engine
- crank pin
- microcephaly
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Abstract
An unmanned engine connecting rod relates to the technical field of engines, in particular to an unmanned engine connecting rod and a crankshaft assembly thereof. The connecting rod comprises a small connecting rod head, a connecting rod body and a large connecting rod head, wherein the two ends of the connecting rod body are respectively connected with the small connecting rod head and the large connecting rod head. The utility model discloses have weight reduction, the lubricated effect of reinforcing improves the positive effect of thermal diffusivity.
Description
Technical Field
The utility model relates to the technical field of engines, especially, relate to an unmanned engine connecting rod and bent axle assembly thereof.
Background
The connecting rod of the unmanned engine can transmit the gas pressure born by the piston to the crankshaft, so that the reciprocating linear motion of the piston is changed into the rotary motion of the crankshaft. As shown in fig. 6, 7 and 8, the existing connecting rod is composed of a connecting rod small end, a connecting rod body and a connecting rod big end, wherein the connecting rod small end is connected with a piston pin and reciprocates together with the piston; the big end of the connecting rod is connected with the crank pin and rotates with the crank shaft, so that the connecting rod does complex plane motion when the engine works. In use, the conditions of poor lubrication, poor heat dissipation and the like can be found when the small end of the connecting rod and the piston pin reciprocate for a long time and the large end of the connecting rod and the crank pin rotate for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an unmanned engine connecting rod and bent axle assembly thereof to reach the lubricated effect of reinforcing, improve the purpose of thermal diffusivity.
The utility model provides an unmanned engine connecting rod, including connecting rod microcephaly, connecting rod body and connecting rod major part, connecting rod microcephaly and connecting rod major part are connected respectively to the both ends of connecting rod body, characterized by, the lateral wall of connecting rod microcephaly and connecting rod major part all is provided with the oil feed tank, and the top of connecting rod microcephaly and connecting rod major part all is provided with the cooling lubrication hole, and the upper and lower both ends of connecting rod microcephaly and connecting rod major part all are provided with lubricated radiating groove.
Further, a reinforcing rod is arranged between the connecting rod big end and the connecting rod body.
Further, both ends of the oil inlet tank are provided with oil inlet ramps.
The utility model provides a crankshaft assembly of the connecting rod of the unmanned engine, the big end of the connecting rod is connected with the crankshaft pin of the crankshaft and rotates together with the crankshaft; a crank pin through hole is formed in the crank pin in a penetrating mode, and a lubricating and cooling opening is formed in the side wall of the crank pin; the lubricating and cooling port is communicated with the crankshaft pin through hole.
Furthermore, the connecting piece of the crankshaft is oval.
Further, the crankshaft is suitable for any one of a horizontal bar unmanned engine, a double-cylinder unmanned engine and a four-cylinder unmanned engine.
The utility model provides an unmanned engine connecting rod and crankshaft assembly thereof, the lateral wall of connecting rod microcephaly and connecting rod major part all is provided with the oil feed tank, and the top of connecting rod microcephaly and connecting rod major part all is provided with the cooling lubrication hole, gets into lubricating oil from both sides and the top of connecting rod microcephaly, strengthens the lubricated effect of connecting rod microcephaly and piston pin; lubricating oil enters from the two sides and the top end of the big end of the connecting rod, and the lubricating effect of the big end of the connecting rod and the crank pin is enhanced. The upper and lower both ends of connecting rod microcephaly and connecting rod major part all are provided with lubricated radiating groove, not only can alleviate the weight of connecting rod, but also can improve the thermal diffusivity of connecting rod microcephaly and piston pin, improve the thermal diffusivity of connecting rod major part and crank pin. A crank pin through hole penetrating through the crank pin is formed in the crank pin, so that the weight of the crank pin can be reduced; be provided with lubricated cooling hole in the lateral wall of bent axle round pin, can get into lubricating oil, the lubricated and cooling effect of reinforcing crank pin. Therefore, the utility model discloses have weight reduction, the lubricated effect of reinforcing improves the positive effect of thermal diffusivity.
Drawings
The accompanying drawings partially disclose embodiments of the present invention, in which,
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the large end of the connecting rod of the present invention;
FIG. 3 is a schematic structural view of the crankshaft assembly of the present invention;
fig. 4 is a schematic structural view of a crank pin according to the present invention;
FIG. 5 is a schematic structural view of the connecting piece of the present invention;
FIG. 6 is a schematic structural view of a prior art unmanned engine connecting rod;
FIG. 7 is a schematic illustration of a prior art crank assembly of an unmanned engine;
FIG. 8 is a schematic diagram of a prior art crankpin configuration;
reference numerals: 1. a small end of the connecting rod; 11. an oil inlet groove; 111. an oil inlet ramp; 12. cooling the lubrication hole; 13. lubricating the heat dissipation groove; 14. a reinforcing bar; 2. a connecting rod body; 3. a big end of the connecting rod; 4. a crankshaft; 41. a crankpin; 411. a crankshaft pin through hole; 412. lubricating the cooling port; 42. and (7) connecting the tablets.
Detailed Description
As shown in fig. 1-2, the utility model provides an unmanned engine connecting rod, including connecting rod microcephaly 1, connecting rod body 2 and connecting rod major part 3, connecting rod microcephaly 1 and connecting rod major part 3 are connected respectively to the both ends of connecting rod body 2, and the lateral wall of connecting rod microcephaly 1 and connecting rod major part 3 all is provided with oil feed tank 11, and the top of connecting rod microcephaly 1 and connecting rod major part 3 all is provided with cooling lubrication hole 12, and the upper and lower both ends of connecting rod microcephaly 1 and connecting rod major part 3 all are provided with lubricated radiating groove 13.
As shown in fig. 3-5, in the crankshaft assembly of the connecting rod of the unmanned engine provided by the present invention, the connecting rod big end 3 is connected with the crank pin 41 of the crankshaft 4, and rotates together with the crankshaft 4; a crank pin through hole 411 is arranged in the crank pin 41, and a lubricating and cooling port 412 is arranged in the side wall of the crank pin 41; the lubrication cooling port 412 communicates with the crankpin through hole 411.
When the utility model is used, firstly, the small end 1 of the connecting rod is connected with the piston pin and reciprocates together with the piston; the connecting rod 3 is connected to the crank pin 41 and rotates together with the crankshaft 4. Then, lubricating oil enters from the oil inlet groove 11 and the cooling lubricating hole 12 of the small connecting rod head 1, so that the lubricating effect of the small connecting rod head 1 and the piston pin is enhanced; lubricating oil enters from the oil inlet groove 11 and the cooling lubricating hole 12 of the connecting rod big head 3, and the lubricating effect of the connecting rod big head 3 and the crank pin 41 is enhanced. Meanwhile, the upper end and the lower end of the small end 1 of the connecting rod and the upper end and the lower end of the big end 3 of the connecting rod are respectively provided with a lubricating heat dissipation groove 13, so that the weight of the connecting rod can be reduced, the heat dissipation performance of the small end of the connecting rod and a piston pin can be improved, and the heat dissipation performance of the big end of the connecting rod and the crank pin can be improved. A crank pin through hole 411 is formed in the crank pin 41 to reduce the weight of the crank pin 41; and a lubricating and cooling port 412 is formed in the side wall of the crank pin, so that lubricating oil can enter, and the lubricating and cooling effects of the crank pin are enhanced.
A reinforcing rod 14 is arranged between the connecting rod big end 3 and the connecting rod body 2. The reinforcing rod 14 can reinforce the connection between the connecting rod big end 3 and the connecting rod body 2 so as to reinforce the connection between the connecting rod big end 3 and the crank pin 41, and the connecting rod big end 3 and the crank shaft 4 rotate together.
Both ends of the oil feed groove 11 are provided with oil feed ramps 111. The oil inlet ramp 111 is convenient for entering lubricating oil from the oil inlet tank 11, and the lubricating effect is enhanced.
The connecting piece 42 of the crankshaft 4 is formed in an elliptical shape, so that not only can the weight be reduced, but also the rotational speed can be increased.
The crankshaft 4 is suitable for any one of a horizontal bar unmanned engine, a double-cylinder unmanned engine and a four-cylinder unmanned engine, can reduce the weight of the horizontal bar unmanned engine, the double-cylinder unmanned engine and the four-cylinder unmanned engine, enhances the lubricating effect and improves the heat dissipation performance.
The installation mode, the connection mode or the arrangement mode of all the components are common mechanical modes, such as welding, threaded connection, screw connection and the like, and the specific structures, models and coefficient indexes of all the components are self-contained technologies, so long as the beneficial effects can be achieved.
The technical solution of the present invention is not limited to the scope of the embodiments of the present invention, and the technical contents not described in detail in the present invention are known technologies.
Claims (6)
1. The utility model provides an unmanned engine connecting rod, includes connecting rod microcephaly (1), connecting rod body (2) and connecting rod main aspects (3), and connecting rod microcephaly (1) and connecting rod main aspects (3) are connected respectively at the both ends of connecting rod body (2), characterized by, the lateral wall of connecting rod microcephaly (1) and connecting rod main aspects (3) all is provided with inlet tank (11), and the top of connecting rod microcephaly (1) and connecting rod main aspects (3) all is provided with cooling lubrication hole (12), and the upper and lower both ends of connecting rod microcephaly (1) and connecting rod main aspects (3) all are provided with lubricated radiating groove (13).
2. The unmanned engine connecting rod of claim 1, characterized in that a reinforcing rod (14) is arranged between the connecting rod big head (3) and the connecting rod body (2).
3. The unmanned engine connecting rod according to claim 1, wherein both ends of the oil feed groove (11) are provided with oil feed ramps (111).
4. A crankshaft assembly comprising the unmanned engine connecting rod of claim 1, the crankshaft assembly comprising the unmanned engine connecting rod and a crankshaft (4), wherein the big end (3) of the connecting rod is connected with a crank pin (41) of the crankshaft (4) to rotate together with the crankshaft (4); a crank pin through hole (411) penetrating through the crank pin (41) is formed in the crank pin (41), and a lubricating and cooling port (412) is formed in the side wall of the crank pin (41); the lubricating and cooling port (412) is communicated with the crank pin through hole (411).
5. A crankshaft assembly comprising an unmanned engine connecting rod according to claim 4, wherein the connecting piece (42) of the crankshaft (4) is oval.
6. A crankshaft assembly comprising an unmanned engine connecting rod according to claim 4, characterized in that said crankshaft (4) is adapted to any one of a horizontal bar unmanned engine, a two-cylinder unmanned engine, and a four-cylinder unmanned engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221471288.7U CN217462856U (en) | 2022-06-14 | 2022-06-14 | Unmanned engine connecting rod and crankshaft assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221471288.7U CN217462856U (en) | 2022-06-14 | 2022-06-14 | Unmanned engine connecting rod and crankshaft assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462856U true CN217462856U (en) | 2022-09-20 |
Family
ID=83237018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221471288.7U Active CN217462856U (en) | 2022-06-14 | 2022-06-14 | Unmanned engine connecting rod and crankshaft assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217462856U (en) |
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2022
- 2022-06-14 CN CN202221471288.7U patent/CN217462856U/en active Active
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