CN218376603U - Connecting rod with lubricating structure - Google Patents

Connecting rod with lubricating structure Download PDF

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Publication number
CN218376603U
CN218376603U CN202222887732.XU CN202222887732U CN218376603U CN 218376603 U CN218376603 U CN 218376603U CN 202222887732 U CN202222887732 U CN 202222887732U CN 218376603 U CN218376603 U CN 218376603U
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China
Prior art keywords
connecting rod
hole
lubricating
connecting hole
rod body
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Active
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CN202222887732.XU
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Chinese (zh)
Inventor
邵利军
林海军
刘国伟
李彬
刘波
陈王勇
邹代强
曾凡超
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Chongqing Ampride Power & Machinery Co ltd
Chongqing Senci Electric Machinery Co Ltd
Original Assignee
Chongqing Ampride Power & Machinery Co ltd
Chongqing Senci Electric Machinery Co Ltd
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Application filed by Chongqing Ampride Power & Machinery Co ltd, Chongqing Senci Electric Machinery Co Ltd filed Critical Chongqing Ampride Power & Machinery Co ltd
Priority to CN202222887732.XU priority Critical patent/CN218376603U/en
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Abstract

The utility model discloses a connecting rod with a lubricating structure, which comprises a connecting rod body which is arranged in an engine inner cavity and is in a strip shape, wherein connecting holes are formed in two ends of the connecting rod body, the larger connecting hole is a first connecting hole, and the smaller connecting hole is a second connecting hole; the first connecting hole is connected with a crankshaft, and a through strip-shaped lubricating groove is formed in the side wall of the first connecting hole; the second connecting hole is connected with the piston through a piston pin. By adopting the utility model, three workpieces are all arranged in the inner cavity of the engine, and the joints of the workpieces can be lubricated by the splashing of the engine oil during operation; the lubricating groove is formed in the side wall of the first connecting hole, so that engine oil can conveniently enter from the lubricating groove, and the inner wall of the first connecting hole is lubricated, namely the connecting part of the crankshaft and the connecting rod body is lubricated; the strip-shaped lubricating groove improves the entering amount of engine oil, ensures the lubricating effect, reduces the abnormal abrasion between the connecting rod body and the crankshaft, and prolongs the service life of the connecting rod body.

Description

Connecting rod with lubricating structure
Technical Field
The utility model relates to a connecting rod structure, especially a connecting rod with lubricating structure.
Background
The engine is used as a core component of the generator set, the normal operation of the engine plays a vital role, the crankshaft connecting rod mechanism is used as a main part of the power conversion and power output of the engine and has the main function of converting the heat energy generated by fuel combustion into mechanical energy, and the crank connecting rod structure of the engine converts the linear motion of a piston into the circular motion of a crankshaft, so that the connecting rod mechanism is used as an important part of the engine, and the working state of the connecting rod mechanism directly influences the service life of the engine and the generator set. When an engine runs, the working environment of the piston and the connecting rod is quite severe, and the piston and the connecting rod not only bear high temperature and high pressure, but also bear impact force generated by high-load movement, so that the lubrication of the piston and the connecting rod is of great importance while the mechanical strength is ensured.
The problems that the conventional small gasoline engine has insufficient connecting rod lubrication or the normal operation of the engine is influenced by accumulation of metal sundries in the engine caused by long-time operation of the engine exist; in addition, the problem of abnormal sound in the engine also occurs, and the abnormal sound is often caused by abnormal abrasion of the connecting rod, so that the locking condition of the crankshaft and the connecting rod is easily generated.
Disclosure of Invention
The utility model aims to provide an: to the insufficient problem of connecting rod lubrication among the prior art, provide a lubricated, the connecting rod that has lubricating structure that reduces the locking phenomenon production of connecting rod body of reinforcing connecting rod body junction.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a connecting rod with a lubricating structure comprises a connecting rod body which is arranged in an engine cavity and is in a strip shape, and connecting holes are formed in two ends of the connecting rod body; the first connecting hole is connected with a crankshaft, and a through strip-shaped lubricating groove is formed in the side wall of the first connecting hole; the second connecting hole is connected with the piston through a piston pin.
By adopting the technical scheme, the connecting rod body is designed into a long strip shape, the first connecting hole at one end is used for connecting a crankshaft, the second connecting hole at the other end is used for connecting a piston, and the three workpieces are all arranged in the inner cavity of the engine, so that the connecting parts of the workpieces can be lubricated by means of splashing of engine oil during operation; the lubricating groove is formed in the side wall of the first connecting hole, so that engine oil can conveniently enter from the lubricating groove, and the inner wall of the first connecting hole is lubricated, namely the connecting part of the crankshaft and the connecting rod body is lubricated; the strip-shaped lubricating groove improves the entering amount of engine oil, ensures the lubricating effect, reduces the abnormal abrasion between the connecting rod body and the crankshaft, and prolongs the service life of the connecting rod body.
Further, the lubrication groove is arc-shaped and extends along the arc surface of the first connection hole. The lubrication groove extends along the cambered surface, so that lubricating oil can enter the lubrication groove conveniently, and the lubricating effect is ensured by the diffusion of the lubricating oil on the inner wall of the first connection hole.
Furthermore, convex reinforcing ribs are arranged on two sides of the width direction of the lubricating groove, and the reinforcing ribs are arc-shaped long strips. The strengthening rib guarantees the structural strength of lubrication groove, avoids lubrication groove both sides the condition that intensity is not enough to appear.
Further, connecting rod bolts are arranged on two sides of the first connecting hole in the length direction.
Furthermore, an oil throwing spoon is arranged beside one connecting rod bolt close to the lower part of the first connecting hole.
Furthermore, the circumference of the first connecting hole is also provided with a slag discharge hole which is positioned at the opposite side of the lubricating groove. The aluminum alloy small particles often enter the first connecting hole along with the oil mist, and the slag discharge hole is used for discharging the small particles, so that the small particles are prevented from being accumulated in the first connecting hole to cause abnormal abrasion of the workpiece.
Furthermore, chamfers are arranged at the two axial ends of the slag discharging hole. The chamfer is arranged, so that small particles can conveniently enter the slag discharge hole, and can conveniently be discharged from the slag discharge hole.
Further, the diameter of the slag discharge hole is 3.6mm.
Furthermore, the side wall of the second connecting hole is provided with a through lubricating hole. The lubrication hole is used for lubricating the inner wall of the second connecting hole, namely, the connecting part of the piston and the connecting rod body is lubricated, and abrasion is reduced.
Further, the diameter of the lubrication hole is 4mm.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the connecting rod body is designed to be in a long strip shape, a first connecting hole at one end is used for connecting a crankshaft, a second connecting hole at the other end is used for connecting a piston, the three workpieces are all arranged in an engine inner cavity, and the connecting parts of the workpieces can be lubricated by means of splashing of engine oil during operation; the lubricating groove is formed in the side wall of the first connecting hole, so that engine oil can conveniently enter from the lubricating groove, and the inner wall of the first connecting hole is lubricated, namely the connecting part of the crankshaft and the connecting rod body is lubricated; the strip-shaped lubricating groove improves the entering amount of engine oil, ensures the lubricating effect, reduces the abnormal wear between the connecting rod body and the crankshaft, and prolongs the service life of the connecting rod body.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:
fig. 1 shows a schematic view of a connecting rod with a lubricating structure according to the present invention.
Fig. 2 shows a block diagram of another perspective of fig. 1.
Wherein the figures include the following reference numerals:
1 a first connection hole; 2 a second connecting hole; 3, a lubricating groove; 4, reinforcing ribs; 5, connecting rod bolts; 6, throwing an oil spoon; 7, a slag discharge hole; 8, chamfering; 9 lubrication holes.
Detailed Description
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and 2, a connecting rod with a lubricating structure includes a connecting rod body which is arranged in an engine cavity and is in a strip shape, and two ends of the connecting rod body are provided with connecting holes, wherein the larger connecting hole is a first connecting hole 1, and the smaller connecting hole is a second connecting hole 2; the first connecting hole 1 is connected with a crankshaft, and the side wall of the first connecting hole 1 is provided with a through strip-shaped lubricating groove 3; the second connecting bore 2 is connected to the piston by means of a piston pin.
By adopting the technical scheme, the connecting rod body is designed into a strip shape, the first connecting hole 1 at one end is used for connecting a crankshaft, the second connecting hole 2 at the other end is used for connecting a piston, and the three workpieces are all arranged in an inner cavity of an engine, so that the joints of the workpieces can be lubricated by means of splashing of engine oil in operation; the lubricating groove 3 is formed in the side wall of the first connecting hole 1, so that engine oil can conveniently enter from the lubricating groove 3, and the inner wall of the first connecting hole 1 is lubricated, namely the connecting part of the crankshaft and the connecting rod body is lubricated; the strip-shaped lubricating groove 3 improves the entering amount of engine oil, ensures the lubricating effect, reduces the abnormal abrasion between the connecting rod body and the crankshaft, and prolongs the service life of the connecting rod body.
Further, the lubrication groove 3 is arc-shaped and extends along the arc surface of the first connection hole 1. Lubrication groove 3 extends along the cambered surface, and the lubricating oil of being convenient for gets into the back, and lubricating oil guarantees lubricated effect at the diffusion of first connecting hole 1 inner wall.
Furthermore, convex reinforcing ribs 4 are arranged on two sides of the lubricating groove 3 in the width direction, and the reinforcing ribs 4 are arc-shaped long strips. The strengthening rib 4 guarantees the structural strength of lubrication groove 3, avoids lubrication groove 3 both sides the condition that intensity is not enough to appear.
Further, both sides of the first connecting hole 1 in the length direction are provided with connecting rod bolts 5.
Furthermore, an oil slinger 6 is arranged beside one connecting rod bolt 5 below the first connecting hole 1.
Further, the circumference of the first connecting hole 1 is also provided with a slag discharge hole 7, and the slag discharge hole 7 is positioned at the opposite side of the lubricating groove 3. The aluminum alloy small particles often enter the first connecting hole 1 along with the oil mist, the slag discharge hole 7 is used for discharging the small particles, and the small particles are prevented from being accumulated in the first connecting hole 1 to cause abnormal abrasion of the workpiece.
Furthermore, chamfers 8 are arranged at two axial ends of the slag discharging hole 7. The chamfer 8 is arranged, so that small particles can conveniently enter the slag discharge hole 7, and can conveniently be discharged from the slag discharge hole 7.
Further, the diameter of the slag discharge hole 7 is 3.6mm.
Further, the side wall of the second connecting hole 2 is provided with a through lubricating hole 9. The lubricating hole 9 is used for lubricating the inner wall of the second connecting hole 2, namely lubricating the joint of the piston and the connecting rod body, and reducing abrasion.
Further, the lubrication hole 9 has a diameter of 4mm.
The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A connecting rod with a lubricating structure is characterized by comprising a connecting rod body which is arranged in an engine cavity and is in a strip shape, and two ends of the connecting rod body are provided with connecting holes, wherein the larger connecting hole is a first connecting hole (1), and the smaller connecting hole is a second connecting hole (2); the first connecting hole (1) is connected with a crankshaft, and a through strip-shaped lubricating groove (3) is formed in the side wall of the first connecting hole (1); the second connecting hole (2) is connected with the piston through a piston pin.
2. The connecting rod with lubricating structure according to claim 1, characterized in that the lubricating groove (3) is arc-shaped and extends along the arc surface of the first connecting hole (1).
3. The connecting rod with lubricating structure according to claim 1, characterized in that the lubricating groove (3) is provided with convex reinforcing ribs (4) on both sides in the width direction, and the reinforcing ribs (4) are in the shape of arc long strips.
4. The connecting rod with a lubricating structure according to claim 1, wherein the connecting rod bolt (5) is provided on both sides of the first connecting hole (1) in the length direction.
5. The connecting rod with a lubricating structure according to claim 4, characterized in that an oil slinger (6) is provided beside one connecting rod bolt (5) below the first connecting hole (1).
6. The connecting rod with a lubricating structure according to claim 1, characterized in that the first connecting hole (1) is further provided with a slag discharge hole (7) in the circumferential direction, and the slag discharge hole (7) is located on the opposite side of the lubricating groove (3).
7. The connecting rod with a lubricating structure according to claim 6, wherein chamfers (8) are provided at both axial ends of the slag discharge hole (7).
8. The connecting rod with lubricating structure according to claim 6, characterized in that the diameter of the slag discharge hole (7) is 3.6mm.
9. The connecting rod with a lubricating structure according to claim 1, wherein the side wall of the second connecting hole (2) is provided with a through lubricating hole (9).
10. The connecting rod with lubricating structure according to claim 9, characterized in that the diameter of the lubricating hole (9) is 4mm.
CN202222887732.XU 2022-10-31 2022-10-31 Connecting rod with lubricating structure Active CN218376603U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222887732.XU CN218376603U (en) 2022-10-31 2022-10-31 Connecting rod with lubricating structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222887732.XU CN218376603U (en) 2022-10-31 2022-10-31 Connecting rod with lubricating structure

Publications (1)

Publication Number Publication Date
CN218376603U true CN218376603U (en) 2023-01-24

Family

ID=84935873

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222887732.XU Active CN218376603U (en) 2022-10-31 2022-10-31 Connecting rod with lubricating structure

Country Status (1)

Country Link
CN (1) CN218376603U (en)

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