CN215950106U - Top-extending connecting rod crankshaft mechanism - Google Patents
Top-extending connecting rod crankshaft mechanism Download PDFInfo
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- CN215950106U CN215950106U CN202122547426.7U CN202122547426U CN215950106U CN 215950106 U CN215950106 U CN 215950106U CN 202122547426 U CN202122547426 U CN 202122547426U CN 215950106 U CN215950106 U CN 215950106U
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- connecting rod
- movable sleeve
- wall
- fixedly connected
- neck
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Abstract
The utility model discloses a top-extending connecting rod crankshaft mechanism which comprises a plurality of cranks, wherein a connecting rod neck is fixedly connected between every two adjacent cranks, an oil hole is formed in each connecting rod neck, a movable sleeve is movably sleeved on the outer wall of each connecting rod neck, a connecting rod is fixedly connected to the outer wall of each movable sleeve, one end, away from the movable sleeve, of each connecting rod is fixedly connected with a piston, a main journal is fixedly connected to the side wall of one side, opposite to each other, of the two cranks at the outermost end, an oil groove communicated with the oil hole at the same side is formed between each main journal and each crank, and a plurality of balls are movably embedded in the outer wall of each connecting rod neck. The utility model drives the ball and the steel ball to roll when the movable sleeve rotates through the lubricating action of the lubricating oil, thereby avoiding the direct contact friction between the movable sleeve and the connecting rod neck, avoiding the abnormal abrasion between the rotating connecting rod and the crankshaft caused by carbon deposition, metal chips and sand grains in the lubricating oil, and further prolonging the service life of the connecting rod crankshaft.
Description
Technical Field
The utility model relates to the technical field of crankshafts, in particular to a top-extending type connecting rod crankshaft mechanism.
Background
Engines fueled by diesel fuel are conventionally referred to as diesel engines, two-stroke engines: an engine in which a working cycle is completed by two strokes of up-and-down reciprocating motion of a piston every time a crankshaft of the engine rotates one revolution, namely, a four-stroke engine: an engine in which a working cycle is completed by four strokes of up-and-down reciprocating motion of a piston every two revolutions of a crankshaft of the engine, the working cycle refers to a working process of the engine consisting of air intake, compression, combustion expansion (work application) and exhaust strokes, and the process of completing one air intake, compression, work application and exhaust of the engine is called a working cycle and is also called a period.
The connecting rod and the crankshaft of the crankshaft connecting rod mechanism of the existing engine are in rotating connection, when the crankshaft and the connecting rod rotate for a long time, friction can occur between the connecting rod and the crankshaft, and the crankshaft or the connecting rod can be excessively damaged due to long-time friction, so that the service life of the engine is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the background art and provides a top-extending connecting rod crankshaft mechanism.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a formula connecting rod crankshaft mechanism stretches out on top, includes a plurality of cranks, adjacent two equal common fixedly connected with connecting rod neck, every between the crank all seted up the oilhole in the connecting rod neck, every the equal movable sleeve of outer wall of connecting rod neck is equipped with movable sleeve, every the equal fixedly connected with connecting rod of outer wall of movable sleeve, every the equal fixedly connected with piston of one end that the movable sleeve was kept away from to the connecting rod, two of outermost end the equal fixedly connected with main shaft neck of one side lateral wall that the crank was carried on the back mutually, every set up the oil groove that is linked together with the homonymy oilhole jointly between main shaft neck and the crank, every the equal activity of outer wall of connecting rod neck inlays and is equipped with a plurality of balls, every a plurality of movable grooves with ball assorted, every all set up a plurality of oil ducts that communicate with a plurality of movable grooves respectively in the connecting rod neck, every the one end that the movable groove was kept away from to the oil duct all communicates with the oilhole of homonymy.
Preferably, a groove matched with the movable sleeve is formed in each of the opposite side walls of the two adjacent cranks.
Preferably, the side wall of one side of each ball, which is far away from the movable groove, is attached to the inner wall of the movable sleeve on the same side.
Preferably, each of the oil holes is provided at the center of the connecting rod journal on the same side.
Preferably, each of the balls is made of a steel material.
Preferably, a plurality of steel balls which are abutted against the end parts of the movable sleeves on the same side are movably arranged in each groove.
Compared with the prior art, this formula connecting rod crankshaft mechanism stretches out on top's advantage lies in:
1. the ball and the oil hole are arranged, lubricating oil is poured into the oil groove, then enters the movable groove along the oil hole and the oil duct, and then contacts with the ball, so that the lubricating oil lubricates the ball and the movable groove, the direct contact friction with the connecting rod neck is avoided when the movable sleeve rotates, the abnormal abrasion between the rotating connecting rod and the crankshaft caused by carbon deposition, metal chips and sand grains in the lubricating oil is avoided, and the service life of the connecting rod crankshaft is prolonged;
2. the grooves and the steel balls are arranged, when the movable sleeve rotates, the end parts of the movable sleeve slide on the steel balls, so that the movable sleeve is prevented from being in direct contact with the outer wall of the crank, and the abrasion of the crank shaft is further reduced;
in conclusion, the movable sleeve drives the balls and the steel balls to roll when rotating through the lubricating action of the lubricating oil, so that the movable sleeve is prevented from directly contacting and rubbing with the connecting rod neck, and abnormal abrasion between the rotating connecting rod and the crankshaft due to carbon deposition, metal chips and sand grains in the lubricating oil is avoided, and the service life of the connecting rod crankshaft is prolonged.
Drawings
FIG. 1 is a perspective view of the joint between the crank and the connecting rod neck of a top-extended type connecting rod crankshaft mechanism according to the present invention;
FIG. 2 is a schematic structural diagram of a top-extended connecting rod crankshaft mechanism according to the present invention;
FIG. 3 is a perspective view of a connecting rod journal in a top-extended connecting rod crankshaft mechanism according to the present invention;
FIG. 4 is a side sectional view of a connecting rod journal of a top-extended type connecting rod crankshaft mechanism according to the present invention;
FIG. 5 is a perspective view of a crank of a top-extended type connecting rod crankshaft mechanism according to the present invention;
fig. 6 is a cross-sectional view of the joint between the main journal and the crank in the top-extended type connecting rod crank mechanism according to the present invention.
In the figure: 1 crank, 2 connecting rod necks, 3 movable sleeves, 4 connecting rods, 5 pistons, 6 main journals, 7 oil grooves, 8 oil holes, 9 movable grooves, 10 balls, 11 oil passages, 12 grooves and 13 steel balls.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a top-extending connecting rod crankshaft mechanism comprises a plurality of cranks 1, a connecting rod neck 2 is fixedly connected between two adjacent cranks 1, an oil hole 8 is formed in each connecting rod neck 2, each oil hole 8 is formed in the center of the connecting rod neck 2 on the same side, and lubricating oil in each oil hole 8 can be uniformly dispersed into a movable groove 9 through an oil duct 11 in the rotation process of the crankshaft.
The equal movable sleeve of outer wall of every connecting rod neck 2 is equipped with movable sleeve 3, adjacent two relative lateral walls of crank 1 all seted up with movable sleeve 3 assorted recess 12, equal activity is equipped with a plurality of steel balls 13 that offset with 3 tip of homonymy movable sleeve in every recess 12, when movable sleeve 3 rotates, through the slip of its tip on a plurality of steel ball 13 outer walls, drive a plurality of steel balls 13 and roll, change sliding friction into rolling friction, thereby avoided its and the 1 outer wall of crank between direct contact, the wearing and tearing of bent axle have further been reduced.
The equal fixedly connected with connecting rod 4 of outer wall of every movable sleeve 3, the equal fixedly connected with piston 5 of one end that the movable sleeve 3 was kept away from to every connecting rod 4, the equal fixedly connected with main shaft journal 6 of one side lateral wall that two cranks 1 of outermost end carried on the back mutually, set up the oil groove 7 that is linked together with homonymy oilhole 8 between every main shaft journal 6 and the crank 1 jointly, the staff is through pouring lubricating oil into oil groove 7 in, then lubricating oil can flow into to oilhole 8 along oil groove 7 in, thereby conveniently get into the junction to connecting rod journal 2 and movable sleeve 3, lubricate it.
The equal activity of outer wall of every connecting rod neck 2 inlays and is equipped with a plurality of balls 10, every ball 10 is made by the steel material, one side lateral wall that the movable groove 9 was kept away from to every ball 10 all pastes with the inner wall of homonymy movable sleeve 3 mutually, can drive a plurality of balls 10 when the movable sleeve 3 rotates and roll along the inner wall of movable sleeve 3, thereby avoided its and connecting rod neck 2 between direct contact, the ball 10 of making by the steel material simultaneously, its wearability has been improved, avoid the carbon deposit in the lubricating oil, metal fillings and grit make and rotate unusual wearing and tearing between connecting rod and the bent axle, and then the life of connecting rod bent axle has been improved.
A plurality of movable grooves 9 with ball 10 assorted have all been seted up to the outer wall of every connecting rod neck 2, all set up a plurality of oil ducts 11 that are linked together with a plurality of movable grooves 9 respectively in every connecting rod neck 2, the one end that movable groove 9 was kept away from to every oil duct 11 all communicates with the oilhole 8 of homonymy, every oilhole 8 all sets up the center department at homonymy connecting rod neck 2, get into the lubricating oil to in the oilhole 8, can be along with connecting rod neck 2's rotation and even to loosing in a plurality of oil ducts 11, thereby get into and contact with ball 10 in the movable groove 9, and lubricate ball 10 and movable groove 9, smooth when having improved ball 10 and rotating the rolling lubricated effect on the 3 outer walls of movable sleeve.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The top-extending connecting rod crankshaft mechanism comprises a plurality of cranks (1) and is characterized in that a connecting rod neck (2) is fixedly connected between every two adjacent cranks (1) together, an oil hole (8) is formed in each connecting rod neck (2), a movable sleeve (3) is movably sleeved on the outer wall of each connecting rod neck (2), a connecting rod (4) is fixedly connected on the outer wall of each movable sleeve (3), a piston (5) is fixedly connected at one end, far away from the movable sleeve (3), of each connecting rod (4), a main journal (6) is fixedly connected on the side wall, opposite to each other, of each crank (1), an oil groove (7) communicated with the oil hole (8) is formed between each main journal (6) and each crank (1) together, and a plurality of balls (10) are movably embedded on the outer wall of each connecting rod neck (2), every a plurality of movable grooves (9) with ball (10) assorted are all seted up to the outer wall of connecting rod neck (2), every a plurality of oil ducts (11) that are linked together with a plurality of movable grooves (9) respectively are all seted up in connecting rod neck (2), every the one end that movable groove (9) were kept away from in oil duct (11) all communicates with oilhole (8) of homonymy.
2. The top-extending connecting rod crankshaft mechanism as claimed in claim 1, wherein a groove (12) matching with the movable sleeve (3) is formed on one side wall of each of two adjacent cranks (1).
3. The top-extending connecting rod crankshaft mechanism as claimed in claim 1, wherein the side wall of each ball (10) far from the movable groove (9) is attached to the inner wall of the movable sleeve (3) on the same side.
4. A top-reach connecting rod crank mechanism according to claim 1, characterized in that each oil hole (8) is provided at the center of the same side connecting rod neck (2).
5. A top reach connecting rod crank mechanism as claimed in claim 1, wherein each of said balls (10) is made of steel material.
6. The top-extending connecting rod crankshaft mechanism as claimed in claim 2, wherein a plurality of steel balls (13) against the end of the movable sleeve (3) on the same side are movably arranged in each groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122547426.7U CN215950106U (en) | 2021-10-22 | 2021-10-22 | Top-extending connecting rod crankshaft mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122547426.7U CN215950106U (en) | 2021-10-22 | 2021-10-22 | Top-extending connecting rod crankshaft mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215950106U true CN215950106U (en) | 2022-03-04 |
Family
ID=80413964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122547426.7U Active CN215950106U (en) | 2021-10-22 | 2021-10-22 | Top-extending connecting rod crankshaft mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215950106U (en) |
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2021
- 2021-10-22 CN CN202122547426.7U patent/CN215950106U/en active Active
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