CN203730127U - Power transmission mechanism for internal combustion engine - Google Patents
Power transmission mechanism for internal combustion engine Download PDFInfo
- Publication number
- CN203730127U CN203730127U CN201420132961.3U CN201420132961U CN203730127U CN 203730127 U CN203730127 U CN 203730127U CN 201420132961 U CN201420132961 U CN 201420132961U CN 203730127 U CN203730127 U CN 203730127U
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- China
- Prior art keywords
- piston
- internal combustion
- combustion engine
- transmission mechanism
- cam
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- Expired - Fee Related
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Abstract
The utility model provides a power transmission mechanism for an internal combustion engine. The power transmission mechanism for the internal combustion engine comprises a piston, a piston rod connected with the piston, a thrust bearing connected with the piston rod and a cam bearing assembly connected with the thrust bearing, wherein the cam bearing assembly comprises a needle rolling bearing and a cam arranged on the needle rolling bearing; a main shaft which is limited in a linear guide groove is transversely arranged in the rotating center of the cam. According to the power transmission mechanism for the internal combustion engine, a crank-connecting rod mechanism is removed; the cam bearing assembly is directly driven by the movement of the piston so as to drive the main shaft to do external work. Compared with the prior art, the noises and the vibration are greatly reduced, so that a vibration balance shaft or a vibration balance block is not required to be arranged additionally; in addition, the power is transmitted easily and reliably, the loss of the work of the engine is reduced; the crank-connecting rod mechanism is removed, so that lubricating mechanisms, such as an oil pump, are not required to be arranged any longer; the overall power transmission mechanism for the internal combustion engine is simple in structure, convenient and practical.
Description
Technical field
The utility model relates to power transmission technical field, specifically a kind of internal combustion engine moving force transmission mechanism.
Background technique
Existing engine structure is all that the reciprocatory motion that coordinates crank-link mechanism that piston is produced converts rotate-stationary mode to, then by line shaft, rotating power is exported.Wherein, one end of crank is fixedly connected with line shaft, one end pivot joint of the other end and connecting rod, and the end of connecting rod is connected with piston.Piston is inserted in cylinder, and piston bears gaseous-pressure and in cylinder, makes oscillating rectilinear motion, and the connecting rod that moves through of piston converts rotatablely moving of crank to, and from the external outputting power of line shaft.
But there are the following problems for existing this engine structure:
1,, because connecting rod is the work of planar waving, noise and vibrations are larger, therefore need to be to adopt specially designed vibration balancing axle or equilibrium block to reduce vibration, operation and maintenance more complicated;
2, use connecting rod as the transmission between piston and crank, increased the loss of motor acting, and structure is also more complicated, causes the overall volume of device and weight all larger;
3, the lubrication system that the structure of crank-connecting rod need to be made up of oil leab, oil pump, oil filter and some valves, carry quantitative clean lubricant oil to making the part surface of relative movement, to realize liquid friction, reduce surface friction drag, alleviate the wearing and tearing of parts.Arranging of lubrication system increased the complexity of device and increased volume and weight equally.
Summary of the invention
For the above-mentioned deficiency of prior art, the utility model provides a kind of overall volume that engine noise and vibrations, minimizing put and internal combustion engine moving force transmission mechanism of weight of reducing.
A kind of internal combustion engine moving force transmission mechanism, the piston rod that comprises piston, be connected with piston, the promotion bearing being connected with piston rod, with the camshaft bearing assembly that promotes bearing and be connected, described camshaft bearing assembly comprises needle bearing and is arranged on the cam on needle bearing, and the rotating center of described cam is horizontally installed with the main shaft being limited in straight-line guidance groove.
The utility model has removed crank-link mechanism, by the direct driving cam bearing of the motion assembly of piston, and then drives main shaft externally to do work, and greatly reduces compared to existing technology noise and vibrations, and therefore vibration balancing axle or equilibrium block needn't be set in addition; Transmission of power is simple and reliable in addition, has reduced the loss of motor acting; Owing to having removed crank-link mechanism, therefore the lubricating structures such as oil pump also needn't be set again, whole apparatus structure is simple, convenient and practical.
Brief description of the drawings
Fig. 1 is the work schematic diagram one of the utility model internal combustion engine moving force transmission mechanism;
Fig. 2 is the work schematic diagram two of the utility model internal combustion engine moving force transmission mechanism;
Fig. 3 is the work schematic diagram three of the utility model internal combustion engine moving force transmission mechanism.
In figure: 1-piston, 2-piston rod, 3-promotion bearing, 4-camshaft bearing assembly, 5-main shaft, 6-straight-line guidance groove.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technological scheme in the utility model is clearly and completely described.
Please refer to Fig. 1-3, the utility model internal combustion engine moving force transmission mechanism comprises piston 1, the piston rod 2 being connected with piston 1, the promotion bearing 3 being connected with piston rod 2, with the camshaft bearing assembly 4 that promotes bearing 3 and be connected, described camshaft bearing assembly 4 comprises needle bearing and is arranged on the cam on needle bearing, the rotating center of described cam is horizontally installed with the main shaft 5 being limited in straight-line guidance groove 6, and described straight-line guidance groove 6 is along the moving direction setting of piston 1.
Piston 1, piston rod 2, promotion bearing 3 and camshaft bearing assembly 4 are integrally formed continuous action relation.When work, the outer ring that the oscillating rectilinear motion of piston 1 promotes bearing 3 by piston rod 2 pushing and pressing, promotes bearing 3 and is with moving cam to be eccentric operating, and cam and then drive main shaft 5 rotate, and make the external outputting power of main shaft 5.The rotation of main shaft 5 is limited in straight-line guidance groove 6.
The utility model has removed crank-link mechanism, by the direct driving cam bearing of the motion assembly of piston, and then drives main shaft externally to do work, and greatly reduces compared to existing technology noise and vibrations, and therefore vibration balancing axle or equilibrium block needn't be set in addition; Transmission of power is simple and reliable in addition, has reduced the loss of motor acting; Owing to having removed crank-link mechanism, therefore the lubricating structures such as oil pump also needn't be set again, whole apparatus structure is simple, convenient and practical.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any belong to those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (1)
1. an internal combustion engine moving force transmission mechanism, the piston rod (2) that comprises piston (1), is connected with piston (1), it is characterized in that: also comprise the promotion bearing (3) being connected with piston rod (2), the camshaft bearing assembly (4) being connected with promotion bearing (3), described camshaft bearing assembly (4) comprises needle bearing and is arranged on the cam on needle bearing, and the rotating center of described cam is horizontally installed with the main shaft (5) being limited in straight-line guidance groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132961.3U CN203730127U (en) | 2014-03-24 | 2014-03-24 | Power transmission mechanism for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420132961.3U CN203730127U (en) | 2014-03-24 | 2014-03-24 | Power transmission mechanism for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730127U true CN203730127U (en) | 2014-07-23 |
Family
ID=51200206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420132961.3U Expired - Fee Related CN203730127U (en) | 2014-03-24 | 2014-03-24 | Power transmission mechanism for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321768A (en) * | 2015-06-24 | 2017-01-11 | 葛稳生 | Eccentric gear shaft connection rod slide block device |
-
2014
- 2014-03-24 CN CN201420132961.3U patent/CN203730127U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321768A (en) * | 2015-06-24 | 2017-01-11 | 葛稳生 | Eccentric gear shaft connection rod slide block device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20150324 |
|
| EXPY | Termination of patent right or utility model |