CN104791093A - Variable compression ratio engine - Google Patents
Variable compression ratio engine Download PDFInfo
- Publication number
- CN104791093A CN104791093A CN201510115327.8A CN201510115327A CN104791093A CN 104791093 A CN104791093 A CN 104791093A CN 201510115327 A CN201510115327 A CN 201510115327A CN 104791093 A CN104791093 A CN 104791093A
- Authority
- CN
- China
- Prior art keywords
- crossbeam
- connecting rod
- piston
- hydraulic
- rod
- 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.)
- Pending
Links
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a variable compression ratio engine. The variable compression ratio engine comprises a piston, connecting rods and a crankshaft, and is characterized in that the connecting rods include the upper connecting rod and the lower connecting rod; the upper end of the upper connecting rod is connected with the piston through a piston pin, and the lower end of the upper connecting rod is connected with a beam through a connecting rod pin; one end of the beam is connected with the upper end of the lower connecting rod through a left pin, and the lower end of the lower connecting rod is connected with the crankshaft through a connecting rod journal; the other end of the beam is connected with a control rod through a right pin, and the upper end of the control rod is provided with an elastic part. The output efficiency of the variable compression ratio engine can be effectively improved, and the purposes of increasing power and saving fuel oil are achieved.
Description
Technical field
The present invention relates to a kind of variable compression ratio engine.
Background technique
Current motor is when lighting a fire or oil spout is done work, piston, connecting rod, crank, can not form effective moment to the rotating center of bent axle, so engine oil consumption is excessive nearly all point-blank, efficiency is low, fixing compression ratio and the usage requirement that can not meet different operating mode and propose automobile.
Summary of the invention
The invention provides a kind of variable compression ratio engine.
For achieving the above object, technological scheme of the present invention is:
A kind of variable compression ratio engine, comprises piston, connecting rod and bent axle, it is characterized in that:
Described connecting rod comprises connecting rod and lower link, and the upper end of upper connecting rod is connected with piston by wrist pin, and the lower end of upper connecting rod is connected with crossbeam by link pin; One end of crossbeam is connected with the upper end of lower link by left pin, and the lower end of lower link is connected with bent axle by rod journal; The other end of crossbeam is connected with controlling rod by right pin, the upper end of controlling rod is provided with an elastic component, the lower end of controlling rod is connected with hydraulic piston, hydraulic piston is contained in hydraulic case in the inner chamber of hydraulic case and is connected through a hydraulic tube with oil pressure switch, oil pressure switch is connected with the oil hydraulic pump on side, and the distance that the distance that the high pressure liquid force feed promotion hydraulic piston that oil hydraulic pump produces runs directly changes piston and cylinder head enters the size changing compression ratio.
A kind of variable compression ratio engine, comprise piston, connecting rod and bent axle, piston is connected with the upper end of connecting rod by wrist pin, it is characterized in that:
The lower end of connecting rod is connected with outer crossbeam by link pin, outer crossbeam is provided with the inner chamber of one end open, crossbeam in matching with it is provided with in inner chamber, interior crossbeam can the inner chamber of crossbeam outside move left and right, the outer end of interior crossbeam is connected with bent axle by rod journal, and the length that interior crossbeam exposes outside outside crossbeam can be extended along with the mobile of rod journal or shrink; The other end of outer crossbeam is connected with controlling rod by right pin, and the upper end of controlling rod is provided with an elastic component; The lower end of controlling rod is connected with hydraulic piston, hydraulic piston is contained in the inner chamber of hydraulic case, hydraulic case is connected with oil pressure switch one hydraulic tube, oil pressure switch is connected with the oil hydraulic pump on side, and between the distance that the high pressure liquid force feed motion hydraulic piston that oil hydraulic pump produces runs, the distance changed between piston and cylinder head enters the size changing compression ratio.
Described elastic component is spring, and spring is fixed on cylinder inner wall by spring seat.
The present invention passes through connecting rod, control strip, crossbeam, interior crossbeam, outer crossbeam, hydraulic piston, oil hydraulic pump, cooperation between elastic component, when making expansion stroke bent axle forward to when crank and lower link or crank and interior crossbeam shape have a certain degree before distance between regulating piston and cylinder head light a fire again or oil spout after regulating compression ratio, the pressure maximum that burning can be made to produce acts in best angle, the transmission of exerting all one's strength is more scientific, play a multiplier role, not only can in the angle of the best transmitting power but also compression ratio can be regulated effectively to improve the delivery efficiency of motor, reach increase power, save the object of fuel oil.
Accompanying drawing explanation
Fig. 1 is the structural representation adopting upper connecting rod and lower link structure engine;
Fig. 2 is the structural representation adopting outer crossbeam and interior beam structure motor;
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
Embodiment 1
As shown in Figure 1, a kind of variable compression ratio engine, comprises piston 1, connecting rod and bent axle 6, and connecting rod comprises connecting rod 2 and lower link 4, and the upper end of upper connecting rod 2 is connected with piston 1 by wrist pin, and the lower end of upper connecting rod 2 is connected with crossbeam 3 by link pin 16; One end of crossbeam 3 is connected with the upper end of lower link 4 by left pin 17, and the lower end of lower link 4 is connected with bent axle 6 by rod journal; The other end of crossbeam 3 is connected with controlling rod 8 by right pin 7, the upper end of controlling rod 8 is provided with an elastic component, lower end and the hydraulic piston 11 connected hydraulic piston 11 of controlling rod 8 are contained in the inner chamber of hydraulic case 12, hydraulic case 12 is connected through a hydraulic tube with oil pressure switch 13, oil pressure switch is connected with the oil hydraulic pump on side, and oil hydraulic pump is connected with the bent axle 6 of motor.
Elastic component can be set to spring 9, and spring 9 is fixed on cylinder inner wall by spring seat 10.
The working procedure of the present embodiment is: compression stroke bent axle 6 rotates from the bottom up, expansion stroke bent axle 6 rotates from top to bottom, enter compression stroke, bent axle 6 rotates from the bottom up, and then promote lower link 4, one side of crossbeam 3, upper connecting rod 2, piston 1 upwards jack-up, when bent axle 6 forwards peak to, piston 1 also runs to peak, now also misfire or oil spout, bent axle 6 rotates from top to down, when crank 5 has a certain degree with lower link 4 shape, the high pressure liquid force feed that meanwhile oil hydraulic pump 14 produces flows into through hydraulic tube 15 in the inner chamber of hydraulic case 12, and then promotion hydraulic piston runs down to the end, hydraulic piston 11 moves downward push lever 8, crossbeam 3 while move up, the distance moved up just compensate for bent axle 6 and rotates drive lower link 4, crossbeam 3 while move downward the impact brought, piston 1 can be made constant at same position, from bent axle 6 forward to peak and crank 6 have a certain degree with lower link 4 shape time, piston 1 is all constant at same position, light a fire again or oil spout when their shapes have a certain degree, the pressure maximum produced that now burns acts in best angle, exert all one's strength and more scientificly better to transfer out, thus play a multiplier effect.The length of high pressure liquid force feed promotion hydraulic piston 11 range ability that oil hydraulic pump 14 produces directly changes the size of compression ratio, thus regulates compression ratio, and open when entering exhaust stroke oil pressure switch 13, hydraulic piston 11 is promoted playback by spring 9.
Embodiment 2
As shown in Figure 2, a kind of FE engine, comprise piston 1, connecting rod 2 and bent axle 6, piston 1 is connected by the upper end of wrist pin with connecting rod 2, the lower end of connecting rod 2 is connected with outer crossbeam 18 by link pin 16, outer crossbeam 18 is provided with the inner chamber of one end open, crossbeam 19 in matching with it is provided with in inner chamber, interior crossbeam 19 can the inner chamber of crossbeam 18 outside move left and right, the outer end of interior crossbeam 19 is connected with bent axle 6 by rod journal, and the length that interior crossbeam 19 exposes outside outside crossbeam 18 can be extended along with the mobile of rod journal or shrink; The other end of outer crossbeam 18 is connected with controlling rod 8 by right pin 7, and the upper end of controlling rod 8 is provided with an elastic component; Lower end and the hydraulic piston 11 connected hydraulic piston 11 of controlling rod are contained in the inner chamber of hydraulic case 12, and hydraulic case 12 is connected through a hydraulic tube 15 with oil pressure switch 13, and oil pressure switch 13 is connected with the oil hydraulic pump on side.
Elastic component can be set to spring 9, and spring 9 is fixed on cylinder inner wall by spring seat 10.。
Compression stroke bent axle 6 rotates from the bottom up, expansion stroke bent axle 6 rotates from top to bottom, enter compression stroke, bent axle 6 rotates from the bottom up, and then crossbeam 19 in promoting, one end upwards jack-up of outer crossbeam 18, when bent axle 6 forwards peak to, piston 1 also runs to peak, now also misfire or oil spout, bent axle 6 rotates from top to down, when crank 5 has a certain degree with interior crossbeam 19 shape, meanwhile hydraulic piston 11 due to be subject to oil hydraulic pump 14 produce high pressure liquid force feed flow in the inner chamber of hydraulic case 12 through hydraulic tube 15, enter promotion hydraulic piston 11 to run to lower bottom part, the operation push lever 8 of hydraulic piston 11, outer crossbeam 19 while move up, the distance moved up just compensate for bent axle 6 rotate drive in crossbeam move downward the impact brought, piston can be made constant at same position, from bent axle forward to peak have a certain degree to crank 5 and interior crossbeam 19 shape time, piston 1 is all constant at same position, light a fire again or oil spout when crank 5 has a certain degree with interior crossbeam 19 shape, the pressure maximum produced that now burns acts in best angle, exert all one's strength and more scientificly better to transfer out, thus play a multiplier effect.Change the distance between piston and cylinder head between the distance that the high pressure liquid force feed promotion hydraulic piston 11 that oil hydraulic pump 14 produces runs, and then change compression ratio, enter exhaust stroke, oil pressure switch 13 is opened, and hydraulic piston 11 promotes to make it playback by spring.
Above example illustrated the use of the present invention a yesterday, and the present invention is not limited to above declared range, if replace above-described embodiment by the content of other equivalence any, they fall within protection scope of the present invention too.
Claims (3)
1. a variable compression ratio engine, comprises piston, connecting rod and bent axle, it is characterized in that:
Described connecting rod comprises connecting rod (2) and lower link (4), the upper end of upper connecting rod (2) is connected with piston (1) by wrist pin, and the lower end of upper connecting rod (2) is connected with crossbeam (3) by link pin (16); One end of crossbeam (3) is connected with the upper end of lower link (4) by left pin (17), and the lower end of lower link (4) is connected with bent axle (6) by rod journal; The other end of crossbeam (3) is connected with controlling rod (8) by right pin (7), the upper end of controlling rod (8) is provided with an elastic component, the lower end of controlling rod (8) is connected with hydraulic piston 11, hydraulic piston 11 is contained in the inner chamber of hydraulic case 12, hydraulic case 12 is connected with oil pressure switch 13 hydraulic tube 15, and oil pressure switch 13 is connected with the oil hydraulic pump 14 on side.
2. a variable compression ratio engine, comprises piston, connecting rod and bent axle, and piston is connected with the upper end of connecting rod by wrist pin, it is characterized in that:
The lower end of connecting rod (2) is connected with outer crossbeam (18) by link pin (16), outer crossbeam (18) is provided with the inner chamber of one end open, crossbeam (19) in matching with it is provided with in inner chamber, interior crossbeam (19) can the inner chamber of crossbeam (18) outside move left and right, the outer end of interior crossbeam (19) is connected with bent axle (6) by rod journal, and interior crossbeam (19) exposes outside crossbeam (18) length outward can along with the mobile elongation of rod journal or contraction; The other end of outer crossbeam (18) is connected with controlling rod (8) by right pin (7), and the upper end of controlling rod (8) is provided with an elastic component; The lower end of controlling rod (8) is connected with hydraulic piston 11, and hydraulic piston 11 is contained in the inner chamber of hydraulic case 12, and hydraulic case 12 is connected with oil pressure switch one hydraulic tube 15, and oil pressure switch 13 is connected with the oil hydraulic pump 14 on side.
3. variable compression ratio engine according to claim 1 and 2, is characterized in that:
Described elastic component is spring (9), and spring (9) is fixed on cylinder inner wall by spring seat (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115327.8A CN104791093A (en) | 2015-03-17 | 2015-03-17 | Variable compression ratio engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115327.8A CN104791093A (en) | 2015-03-17 | 2015-03-17 | Variable compression ratio engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104791093A true CN104791093A (en) | 2015-07-22 |
Family
ID=53556203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510115327.8A Pending CN104791093A (en) | 2015-03-17 | 2015-03-17 | Variable compression ratio engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104791093A (en) |
-
2015
- 2015-03-17 CN CN201510115327.8A patent/CN104791093A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102330617A (en) | Adaptive variable compression engine piston | |
| CN201443440U (en) | Variable compression ratio piston | |
| CN104929766B (en) | Hydraulic free piston engine | |
| CN103807015B (en) | A kind of high fuel-efficient engine | |
| CN104791093A (en) | Variable compression ratio engine | |
| CN104500241A (en) | Variable compression engine | |
| CN104791092A (en) | Variable compression ratio engine | |
| CN201635838U (en) | Connecting rod with variable length | |
| CN104847494A (en) | Fuel-saving engine | |
| CN104847493A (en) | Variable-compression-ratio engine | |
| CN105579676A (en) | Multi-link piston-crank mechanism for internal combustion engine | |
| KR20050032661A (en) | Engine structure | |
| CN201358837Y (en) | Double-crankshaft internal combustion engine | |
| CN104763526A (en) | Fuel-saving engine | |
| CN104832282A (en) | Fuel-efficient engine | |
| CN104405519A (en) | Stretching type compression ratio variable device | |
| CN102537021A (en) | Connecting rod of engine | |
| CN201125781Y (en) | Post rod type motorcycle engine | |
| CN110594017A (en) | Variable compression ratio mechanism of automobile engine | |
| CN204458055U (en) | A kind of variable compression ratio engine | |
| CN205243572U (en) | Novel energy -concerving and environment -protective diesel engine | |
| CN104033245A (en) | Variable-compression-ratio engine | |
| CN204458056U (en) | A kind of variable compression ratio engine | |
| CN103775204B (en) | The engine structure that a kind of length of connecting rod is variable | |
| CN104791097A (en) | Oil-saving engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Fan Weijun Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Fan Weijun Document name: Notification of Publication of the Application for Invention |
|
| DD01 | Delivery of document by public notice |
Addressee: Fan Weijun Document name: Notification of before Expiration of Request of Examination as to Substance |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Fan Weijun Document name: Notification that Application Deemed to be Withdrawn |
|
| DD01 | Delivery of document by public notice | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150722 |
|
| WD01 | Invention patent application deemed withdrawn after publication |