CN221074971U - Crankshaft casting with main oil duct - Google Patents
Crankshaft casting with main oil duct Download PDFInfo
- Publication number
- CN221074971U CN221074971U CN202322807651.9U CN202322807651U CN221074971U CN 221074971 U CN221074971 U CN 221074971U CN 202322807651 U CN202322807651 U CN 202322807651U CN 221074971 U CN221074971 U CN 221074971U
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- CN
- China
- Prior art keywords
- crankshaft
- connecting shaft
- main oil
- fixedly connected
- oil duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005266 casting Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims description 27
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 56
- 239000010687 lubricating oil Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a crankshaft casting with a main oil duct, and relates to the technical field of crankshaft castings. According to the utility model, the connecting shaft is inserted into the connecting sleeve, the clamping block compresses the spring to move upwards under the action of the pushing force of the connecting shaft, when the clamping groove is formed in the surface of the connecting shaft and moves to the bottom of the clamping block, the clamping block is meshed with the clamping groove under the action of the spring force, the connecting shaft is fixed, so that the connection between the crankshaft and the connecting shaft is more convenient, meanwhile, the first meshing teeth are meshed with the second meshing teeth, the connecting sleeve has stronger bearing force and is more convenient to use, the problem that the crankshaft casting needs to be connected to the connecting shaft in the using process of the crankshaft casting, and the torque transmitted by the connecting shaft acts on other workpieces through the supporting rod is solved, but the steps are complicated and inconvenient to use when the existing crankshaft casting is connected with the connecting shaft.
Description
Technical Field
The utility model relates to the technical field of crankshaft castings, in particular to a crankshaft casting with a main oil duct.
Background
The crankshaft is the most important component in an engine. The engine is used for bearing the force transmitted by the connecting rod, converting the force into torque, outputting the torque through the crankshaft and driving other accessories on the engine to work. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, periodically-changed gas inertia force and reciprocating inertia force, so that the crankshaft is subjected to bending torsion load. Therefore, the crankshaft is required to have enough strength and rigidity, and the journal surface needs to be wear-resistant, uniform in work and good in balance.
For example, chinese patent publication No. CN205207411U discloses a shaft, which aims to solve the problems of poor stability and low safety of a crankshaft; the main shaft neck is connected with the connecting shaft neck through the crank arm, oil holes are formed in the main shaft diameter and the connecting shaft neck, the oil holes are communicated, and balance holes are formed in the crank arm. The crankshaft has the advantages of good stability and high safety.
The following problems exist in the prior art:
In the prior art, in the using process of the crankshaft casting, the crankshaft casting is required to be connected to the connecting shaft, so that torsion transmitted by the connecting shaft acts on other workpieces through the supporting rod, but when the existing crankshaft casting is connected with the connecting shaft, the steps are complicated, and the use is inconvenient; in the prior art, in order to ensure that the service life of the crankshaft is longer, oil holes are formed in the crankshaft, but when lubricating oil is injected into the existing crankshaft casting through the oil holes, the lubricating oil is not fully permeated, and certain use inconvenience exists.
Disclosure of utility model
The utility model provides a crankshaft casting with a main oil duct, which aims to solve the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The crankshaft casting with the main oil duct comprises a crankshaft mechanism, wherein two ends of the crankshaft mechanism are fixedly connected with connecting mechanisms, and a lubricating mechanism is arranged in the crankshaft mechanism; the crankshaft mechanism comprises a crank arm I and a connecting shaft I, one side of the crank arm I is fixedly connected with one end of the connecting shaft I, the other end of the connecting shaft I is fixedly connected with a crank arm II, and one side of the crank arm II is fixedly connected with a rotating shaft I; one end of the rotating shaft is fixedly connected with a crank arm III, one side of the crank arm III is fixedly connected with a connecting shaft II, and one side of the connecting shaft II is fixedly connected with a crank arm IV.
The technical scheme of the utility model is further improved as follows: the connecting mechanism comprises a connecting sleeve and a spring, wherein the inside of the connecting sleeve is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected with a clamping block.
The technical scheme of the utility model is further improved as follows: one end of the connecting sleeve is provided with a first meshing tooth, and a second meshing tooth is meshed with the surface of the first meshing tooth.
The technical scheme of the utility model is further improved as follows: one side fixedly connected with fixed block of meshing tooth two, the inside fixedly connected with connecting axle of fixed block, the draw-in groove has been seted up on the surface of connecting axle, the inner wall of draw-in groove and the surface overlap joint of fixture block.
The technical scheme of the utility model is further improved as follows: the lubricating mechanism comprises a main oil duct and a main oil hole, and the main oil hole is arranged at the top of an inner cavity of the main oil duct.
The technical scheme of the utility model is further improved as follows: the bottom of the inner cavity of the main oil duct is provided with an auxiliary oil duct, and one side of the inner cavity of the auxiliary oil duct is provided with an auxiliary oil hole.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
The utility model provides a crankshaft casting with a main oil duct, which adopts the mutual matching among a connecting sleeve, a spring, a clamping block, a first meshing tooth, a second meshing tooth, a fixed block, a connecting shaft and a clamping groove, and by inserting the connecting shaft into the connecting sleeve, the clamping block compresses the spring to move upwards under the action of the pushing force of the connecting shaft, when the clamping groove is arranged on the surface of the connecting shaft and moves to the bottom of the clamping block, the clamping block is meshed with the clamping groove under the action of the elastic force of the spring to fix the connecting shaft, so that the connection between a crankshaft and the connecting shaft is more convenient, and meanwhile, the first meshing tooth is meshed with the second meshing tooth, so that the connecting sleeve has stronger bearing force and is more convenient to use.
The utility model provides a crankshaft casting with a main oil duct, which adopts the mutual coordination among the main oil duct, a main oil hole, an auxiliary oil duct and an auxiliary oil hole, and injects lubricating oil into a crankshaft through the main oil duct, wherein the lubricating oil seeps out from the main oil hole through the main oil duct, and meanwhile, under the action of the auxiliary oil duct, the lubricating oil in the main oil duct seeps out from the auxiliary oil hole along the auxiliary oil duct, so that the lubricating oil seeps more comprehensively, the lubricating effect is better, the use is more convenient, and the problems that the lubricating oil seeps incompletely and the use is inconvenient when the lubricating oil is injected into the existing crankshaft casting through the oil hole are solved for the longer service life of the crankshaft.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic cross-sectional view of a mounting block of the present utility model;
fig. 4 is an enlarged schematic view of fig. 2A according to the present utility model.
In the figure: 1. a crankshaft mechanism; 11. crank arm I; 12. a first connecting shaft; 13. crank arm II; 14. a first rotating shaft; 15. crank arm III; 16. a second connecting shaft; 17. crank arm IV; 2. a connecting mechanism; 21. connecting sleeves; 22. a spring; 23. a clamping block; 24. meshing the first tooth; 25. a second meshing tooth; 26. a fixed block; 27. a connecting shaft; 28. a clamping groove; 3. a lubrication mechanism; 31. a main oil duct; 32. a main oil hole; 33. an auxiliary oil duct; 34. and an auxiliary oil hole.
Detailed Description
The utility model is further illustrated by the following examples:
Example 1
As shown in fig. 1-4, the utility model provides a crankshaft casting with a main oil duct, which comprises a crankshaft mechanism 1, wherein the two ends of the crankshaft mechanism 1 are fixedly connected with a connecting mechanism 2, and a lubricating mechanism 3 is arranged in the crankshaft mechanism 1; the crank mechanism 1 comprises a crank arm I11 and a connecting shaft I12, one side of the crank arm I11 is fixedly connected with one end of the connecting shaft I12, the other end of the connecting shaft I12 is fixedly connected with a crank arm II 13, and one side of the crank arm II 13 is fixedly connected with a rotating shaft I14; one end of the rotating shaft is fixedly connected with a crank arm III 15, one side of the crank arm III 15 is fixedly connected with a connecting shaft II 16, and one side of the connecting shaft II 16 is fixedly connected with a crank arm IV 17.
In this embodiment, the torsion transmitted by the connecting shaft 27 is more utilized and more convenient to use by the arrangement of a plurality of crank arms.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the connecting mechanism 2 comprises a connecting sleeve 21 and a spring 22, wherein the inside of the connecting sleeve 21 is fixedly connected with one end of the spring 22, the other end of the spring 22 is fixedly connected with a clamping block 23, one end of the connecting sleeve 21 is provided with a first meshing tooth 24, the surface of the first meshing tooth 24 is meshed with a second meshing tooth 25, one side of the second meshing tooth 25 is fixedly connected with a fixed block 26, the inside of the fixed block 26 is fixedly connected with a connecting shaft 27, the surface of the connecting shaft 27 is provided with a clamping groove 28, and the inner wall of the clamping groove 28 is in lap joint with the surface of the clamping block 23.
In this embodiment, through inserting connecting axle 27 in adapter sleeve 21, under the effect of connecting axle 27 thrust, make fixture block 23 compression spring 22 upwards move, when the draw-in groove 28 is seted up on connecting axle 27 surface and is moved to the fixture block 23 bottom, under the effect of spring 22 elastic force, fixture block 23 and draw-in groove 28 meshing, it is fixed connecting axle 27, make the connection between bent axle and the connecting axle 27 more convenient, meshing tooth one 24 and meshing tooth two 25 meshing, make adapter sleeve 21 bearing force stronger, more convenient to use, the in-process that has solved in the bent axle foundry goods use, need be connected the bent axle foundry goods on the connecting axle, make the torsion that the connecting axle transmitted pass through branch effect on other work pieces, but current bent axle foundry goods is connected with the connecting axle, the step is loaded down with trivial details, inconvenient to use's problem.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the lubrication mechanism 3 includes a main oil duct 31 and a main oil hole 32, the main oil hole 32 is arranged at the top of the inner cavity of the main oil duct 31, an auxiliary oil duct 33 is arranged at the bottom of the inner cavity of the main oil duct 31, and an auxiliary oil hole 34 is arranged at one side of the inner cavity of the auxiliary oil duct 33.
In this embodiment, pour into lubricating oil into the bent axle through main oil duct 31, lubricating oil oozes from main oilhole 32 through main oil duct 31, simultaneously under the effect of assisting oil duct 33, make lubricating oil in the main oil duct 31 ooze from assisting oilhole 34 along assisting oil duct 33, make lubricating oil infiltration more comprehensive, lubrication effect is better, more convenient to use, it is longer to have solved for making bent axle life, set up the oilhole in the bent axle inside more, but when current bent axle foundry goods pours into lubricating oil through the oilhole, lubricating oil infiltration is incomplete, there is the problem of certain inconvenient use.
The working principle of the crankshaft casting with the main oil duct is specifically described below.
As shown in fig. 1-4, when the crankshaft casting is used, the connecting shaft 27 is inserted into the connecting sleeve 21, the clamping block 23 compresses the spring 22 to move upwards under the action of the thrust of the connecting shaft 27, when the clamping groove 28 is formed in the surface of the connecting shaft 27 and moves to the bottom of the clamping block 23, the clamping block 23 is meshed with the clamping groove 28 under the action of the elastic force of the spring 22, the connecting shaft 27 is fixed, so that the connection between the crankshaft and the connecting shaft 27 is more convenient, meanwhile, the first meshing tooth 24 is meshed with the second meshing tooth 25, the connecting sleeve 21 is stronger in bearing force and more convenient to use, in the use process, lubricating oil is injected into the crankshaft through the main oil duct 31, oozes out from the main oil hole 32 through the main oil duct 31, and meanwhile, under the action of the auxiliary oil duct 33, the lubricating oil in the main oil duct 31 oozes out from the auxiliary oil hole 34 along the auxiliary oil duct 33, so that the lubricating effect is more comprehensive and the use is more convenient.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a from bent axle foundry goods of taking main oil duct, includes crank mechanism (1), its characterized in that: the two ends of the crankshaft mechanism (1) are fixedly connected with a connecting mechanism (2), and a lubricating mechanism (3) is arranged in the crankshaft mechanism (1);
The crankshaft mechanism (1) comprises a crank arm I (11) and a connecting shaft I (12), one side of the crank arm I (11) is fixedly connected with one end of the connecting shaft I (12), the other end of the connecting shaft I (12) is fixedly connected with a crank arm II (13), and one side of the crank arm II (13) is fixedly connected with a rotating shaft I (14);
One end of the rotating shaft is fixedly connected with a crank arm III (15), one side of the crank arm III (15) is fixedly connected with a connecting shaft II (16), and one side of the connecting shaft II (16) is fixedly connected with a crank arm IV (17).
2. The crankshaft casting with the main oil gallery according to claim 1, wherein: the connecting mechanism (2) comprises a connecting sleeve (21) and a spring (22), wherein the inside of the connecting sleeve (21) is fixedly connected with one end of the spring (22), and the other end of the spring (22) is fixedly connected with a clamping block (23).
3. A crankshaft casting with a main oil gallery according to claim 2, wherein: one end of the connecting sleeve (21) is provided with a first meshing tooth (24), and a second meshing tooth (25) is meshed with the surface of the first meshing tooth (24).
4. A crankshaft casting with a main oil gallery according to claim 3, wherein: one side fixedly connected with fixed block (26) of meshing tooth two (25), the inside fixedly connected with connecting axle (27) of fixed block (26), draw-in groove (28) have been seted up on the surface of connecting axle (27), the inner wall of draw-in groove (28) and the surface overlap joint of fixture block (23).
5. The crankshaft casting with the main oil gallery according to claim 1, wherein: the lubricating mechanism (3) comprises a main oil duct (31) and a main oil hole (32), and the main oil hole (32) is arranged at the top of an inner cavity of the main oil duct (31).
6. The crankshaft casting with the main oil gallery according to claim 5, wherein: an auxiliary oil duct (33) is arranged at the bottom of the inner cavity of the main oil duct (31), and an auxiliary oil hole (34) is formed in one side of the inner cavity of the auxiliary oil duct (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322807651.9U CN221074971U (en) | 2023-10-19 | 2023-10-19 | Crankshaft casting with main oil duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322807651.9U CN221074971U (en) | 2023-10-19 | 2023-10-19 | Crankshaft casting with main oil duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074971U true CN221074971U (en) | 2024-06-04 |
Family
ID=91262024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322807651.9U Active CN221074971U (en) | 2023-10-19 | 2023-10-19 | Crankshaft casting with main oil duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221074971U (en) |
-
2023
- 2023-10-19 CN CN202322807651.9U patent/CN221074971U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |