CN206309482U - Oil pressure automatically adjusts variable compression ratio engine - Google Patents
Oil pressure automatically adjusts variable compression ratio engine Download PDFInfo
- Publication number
- CN206309482U CN206309482U CN201621380906.1U CN201621380906U CN206309482U CN 206309482 U CN206309482 U CN 206309482U CN 201621380906 U CN201621380906 U CN 201621380906U CN 206309482 U CN206309482 U CN 206309482U
- Authority
- CN
- China
- Prior art keywords
- oil
- compression ratio
- cavitie
- accumulator
- discharge equipment
- 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.)
- Expired - Fee Related
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- Output Control And Ontrol Of Special Type Engine (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Variable compression ratio engine is automatically adjusted this application discloses oil pressure, including body, compression chamber is provided with the body, bent axle piston is provided with the compression chamber, the body is provided with the accumulator connected with the compression chamber, the compression ratio adjustment part that one end is stretched into the compression chamber and can be reciprocatingly slided in it is provided with the accumulator, the compression ratio adjustment part is provided with and is secured to connect the displacement fixture for being used to that the accumulator is distinguished into upper oil cavitie and lower oil cavitie, being provided with the accumulator can be toward the controller for supplying oil of oiling in the upper oil cavitie and lower oil cavitie, the upper oil cavitie and lower oil cavitie are provided with can the row's oil-control regulation gearshift of oil sealing or oil extraction to control the displacement fixture to move up and down.The main points of its technical scheme are to overcome available engine regulation compression ratio inconvenience, it is impossible to which by changing into oil extraction to adjust compression ratio, efficiency is low, the big technical problem of energy loss.
Description
【Technical field】
The application is related to variable compression ratio engine technical field, more particularly to oil pressure to automatically adjust variable compression ratio and start
Machine.
【Background technology】
Normally, maximum of the compression ratio of internal combustion engine by the combustion chamber in the compression stroke of internal combustion engine before the compression
Volume and combustion chamber minimum volume after being compressed and represent, internal combustion engine exert oneself with internal combustion engine compression ratio increase
And increase.Therefore, the engine of adjustable compression ratio is occurred in that on the market, but existing engine regulation compression ratio is inconvenient, nothing
, by changing into oil extraction to adjust compression ratio, efficiency is low, and energy loss is big for method, it is impossible to effectively improves the power of engine and carries
Fuel economy high, service life is short.
In view of above-mentioned problem, the applicant has made rational modification, and technical scheme described below is base
Produced under the premise of this.
【Application content】
The application purpose is to overcome available engine regulation compression ratio inconvenience, it is impossible to by changing into oil extraction to adjust
Compression ratio, efficiency is low, the big technical problem of energy loss, there is provided oil pressure automatically adjusts variable compression ratio engine.
To achieve the above object, the application employs following technical scheme, and oil pressure automatically adjusts variable compression ratio and starts
It is provided with machine, including body 1, the body 1 in compression chamber 101, the compression chamber 101 and is provided with bent axle piston 102, the body
1 is provided with the accumulator 2 connected with the compression chamber 101, and being provided with one end in the accumulator 2 stretches into the compression chamber 101
And the compression ratio adjustment part 3 that can be reciprocatingly slided in it, the compression ratio adjustment part 3 is provided with and is secured to connection and is used to institute
The displacement fixture 301 that accumulator 2 is distinguished into upper oil cavitie 201 and lower oil cavitie 202 is stated, interior being provided with of the accumulator 2 can be described in
The controller for supplying oil 5 of oiling in upper oil cavitie 201 and lower oil cavitie 202, the upper oil cavitie 201 and lower oil cavitie 202 are provided with and can seal
Oil or oil extraction adjust gearshift 4 with the row's oil-control for controlling the displacement fixture 301 to move up and down.
To realize superior technique effect, the application is also included：
Oil pressure as described above automatically adjusts variable compression ratio engine, and the accumulator 2 is externally provided with and is used to what is coated
Shell body 203, leaves away oil-gap 204 between the shell body 203 and the accumulator 2, the lower section of the bent axle piston 102 sets
Have a crankcase 103, it is described walk oil-gap 204 connected with the bent axle piston 102.
Oil pressure as described above automatically adjusts variable compression ratio engine, and the controller for supplying oil 5 includes the first oil inlet
501 and second oil inlet 502, first oil inlet 501 is located at the side of the upper oil cavitie 201, on first oil inlet 501
Be provided with when second discharge equipment 402 start oil extraction when close, stops oil extraction when i.e. unlatching enter oil extraction valve 503, institute
The second oil inlet 502 is stated located at the side of the lower oil cavitie 202.
Oil pressure as described above automatically adjusts variable compression ratio engine, and the input pressure of first oil inlet 501 is more than
The input pressure of second oil inlet 502.
Oil pressure as described above automatically adjusts variable compression ratio engine, and row's oil-control regulation gearshift 4 includes first
The discharge equipment 402 of discharge equipment 401 and second, first discharge equipment 401 is described located at the downside of the lower oil cavitie 202
Second discharge equipment 402 is located at the upside of the displacement fixture 301.
Oil pressure as described above automatically adjusts variable compression ratio engine, and the displacement fixture 301 is provided with through hole 302,
Second discharge equipment 402 is in the through hole 302 and can be reciprocatingly slided in it, second discharge equipment 402 and institute
Fuel feeding gap runner 303 is provided between stating the hole wall of through hole 302, the upper end of the second discharge equipment 402 is provided with and can block the fuel feeding
The oil extraction stop part 403 of gap runner 303, the lower end of the second discharge equipment 402 is provided with sliding stroke limited block 404, described
Back-moving spring 405, the sliding stroke limited block 404 are provided between sliding stroke limited block 404 and the displacement fixture 301
Lower end is provided with the slide control device 406 for controlling the slide displacement of the second discharge equipment 402.
Oil pressure as described above automatically adjusts variable compression ratio engine, and the slide control device 406 is eccentric cam, institute
State the drive device for being provided with body 1 and driving the eccentric cam to rotate.
Compared with prior art, the application has the following advantages：
1st, the application can be conveniently adjusted the compression ratio of engine, can be by changing into oil extraction to adjust compression ratio, efficiency
Higher, energy loss is smaller.
2nd, the controller for supplying oil of the application is normal oil-feed, is slided using oil extraction control compression ratio adjustment part is classified, can be fast
Speed is controlled to adjust to change into oil extraction, effectively changes compression ratio.
3rd, the application simple structure, it is easy to control, can effectively improve the power of engine and improve fuel economy, make
Longer with the life-span, while the application also has convenient for production, low cost of manufacture, safety coefficient beneficial effect higher is adapted to wide
General popularization.
【Brief description of the drawings】
Fig. 1 is the structural representation of the embodiment of the present application；
Fig. 2 is the use state schematic diagram of the embodiment of the present application.
【Specific embodiment】
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the drawings and the specific embodiments
The application is described further, it is clear that described embodiment is a part of embodiment of the application, do not represented all real
Apply example.
As shown in Figure 1 and Figure 2, variable compression ratio engine, including body 1 are automatically adjusted this application discloses oil pressure, it is described
It is provided with body 1 in compression chamber 101, the compression chamber 101 and is provided with bent axle piston 102, the body 1 is provided with and the compression
The accumulator 2 of the connection of chamber 101, is provided with one end and stretches into the compression chamber 101 and can be reciprocatingly slided in it in the accumulator 2
Compression ratio adjustment part 3, the compression ratio adjustment part 3 is provided with and is secured to connection and is used to be distinguished into the accumulator 2
Being provided with the displacement fixture 301 of oil pocket 201 and lower oil cavitie 202, the accumulator 2 can be toward the upper oil cavitie 201 and lower oil cavitie
The controller for supplying oil 5 of oiling in 202, the upper oil cavitie 201 and lower oil cavitie 202 be provided with can oil sealing or oil extraction it is described to control
Row's oil-control regulation gearshift 4 that displacement fixture 301 is moved up and down.
Specifically, the accumulator 2 is externally provided with and is used to the shell body 203 for being coated, the shell body 203 and the storage
Leave away oil-gap 204 between grease chamber 2, the lower section of the bent axle piston 102 is provided with crankcase 103, it is described walk oil-gap 204 and institute
Bent axle piston 102 is stated to connect.The advantage is that structure setting is reasonable.
More specifically, the controller for supplying oil 5 includes the first oil inlet 501 and the second oil inlet 502, described first enters
Hydraulic fluid port 501 is located at the side of the upper oil cavitie 201, and first oil inlet 501 is provided with when second discharge equipment 402 starts
That is opened when being closed during oil extraction, stopping oil extraction enters oil extraction valve 503, and second oil inlet 502 is located at the lower oil cavitie
202 sides.Simple structure is the advantage is that, production and processing is convenient, and low cost of manufacture can quickly control fuel feeding.
More specifically, input pressure of the input pressure of first oil inlet 501 more than second oil inlet 502.
In practical application, the side of the accumulator 2 is provided with high-pressure pump, and the high-pressure pump is driven by valve camshaft, the crankcase 103 1
Side is provided with oil lubricating pump, and the oil lubricating pump is driven by bent axle, and first oil inlet 501 is connected with high-pressure pump, and described the
Two oil inlets 502 are connected with oil lubricating pump.Because first oil inlet 501 and high-pressure pump distance are closer to its charge oil pressure is big
In second oil inlet 502.Specification.The advantage is that structure setting rationally, realize changing compression ratio adjustment using oil pressure
Part 3 is slided up and down, efficiency high, and stability is strong, reduces failure risk.
In the embodiment of the present application, row's oil-control regulation gearshift 4 includes that the first discharge equipment 401 and the second oil extraction are filled
402 are put, located at the downside of the lower oil cavitie 202, second discharge equipment 402 is located at described for first discharge equipment 401
The upside of displacement fixture 301.The advantage is that structure setting rationally, make compression ratio adjustment part 3 realize sliding up and down.
Further, the displacement fixture 301 is provided with through hole 302, and second discharge equipment 402 is located at the through hole
Can reciprocatingly slide in 302 and in it, clearance flow between fuel feeding is provided between second discharge equipment 402 and the hole wall of the through hole 302
Road 303, the upper end of the second discharge equipment 402 is provided with the oil extraction stop part 403 that can block fuel feeding gap runner 303, institute
State the lower end of the second discharge equipment 402 and be provided with sliding stroke limited block 404, the sliding stroke limited block 404 is solid with the displacement
Determine to be provided with back-moving spring 405 between part 301, the lower end of sliding stroke limited block 404 is provided with control second discharge equipment
The slide control device 406 of 402 slide displacements.Second discharge equipment 402 can be also directly arranged on shifting fixture 301, institute
It can be open-close on-off to state oil extraction stop part 403.Simple structure is the advantage is that, the convenient control oil extraction of the second discharge equipment 402 makes
Compression ratio adjustment part 3 realizes slide downward.
Further, the slide control device 406 is to be provided with to drive the bias convex in eccentric cam, the body 1
Take turns the drive device for rotating.The drive device is servomotor, the advantage is that simple structure, and production and processing is convenient, when inclined
Oil extraction stop part 403 can be made to stop stopping during heart cam rotation to suitable position, second discharge equipment 402 oil extraction, effect
Rate is high.
Embodiments described above is only used to explain the application, is not intended to limit scope of the present application.
The application operation principle：
Start, enter oil extraction valve 503 and open, upper oil cavitie 201 keeps connected state with oil-gap 204 is walked, slide control dress
Put 406 to rotate down so that the second discharge equipment 402 is moved down by the active force of back-moving spring 405, oil extraction stop part
403 start to stop fluid discharge, and now the first oil inlet 501 continues oil-feed, and oil mass increases in upper oil cavitie 201, fixes displacement
Part 301 drives the slide downward of compression ratio adjustment part 3, as shown in figure 1, the space of compression chamber 101 reduces；
When slide control device 406 is rotated up, i.e., sliding stroke limited block 404 is touched on top, and oil extraction stop part 403 is released
Stop, now enter oil extraction valve 503 and close, the first oil inlet 501 stops oil-feed, the inner fluid of upper oil cavitie 201 starts discharge；Second
Oil inlet 502 starts oil-feed, and oil mass increases in lower oil cavitie 202, makes displacement fixture 301 drive compression ratio adjustment part 3 to slide up
It is dynamic, as shown in Fig. 2 the space of compression chamber 101 increases.
For the person of ordinary skill of the art, on the premise of the application design is not departed from, other all its principles
It is same as the present application with basic structure or approximate, belong to the scope of the application protection.
Claims (7)
1. oil pressure is automatically adjusted in variable compression ratio engine, including body (1), the body (1) and is provided with compression chamber (101),
Bent axle piston (102) is provided with the compression chamber (101), it is characterised in that：The body (1) is provided with and the compression chamber
(101) accumulator (2) of connection, one end is provided with the accumulator (2) and is stretched into the compression chamber (101) and can be interior past at it
The multiple compression ratio adjustment part (3) for sliding, the compression ratio adjustment part (3) is provided with and is secured to connection and is used to the accumulator
(2) it is distinguished into and energy toward institute is provided with the displacement fixture (301) of upper oil cavitie (201) and lower oil cavitie (202), the accumulator (2)
State the controller for supplying oil (5) of upper oil cavitie (201) and lower oil cavitie (202) interior oiling, the upper oil cavitie (201) and lower oil cavitie
(202) being provided with can the row's oil-control regulation gearshift of oil sealing or oil extraction to control the displacement fixture (301) to move up and down
(4)。
2. oil pressure automatically adjusts variable compression ratio engine according to claim 1, it is characterised in that：The accumulator (2)
It is externally provided with and is used to the shell body (203) for being coated, is left between the shell body (203) and the accumulator (2) between going rancid
Gap (204), the bent axle piston (102) lower section is provided with crankcase (103), it is described walk oil-gap (204) and the bent axle piston
(102) connect.
3. oil pressure automatically adjusts variable compression ratio engine according to claim 2, it is characterised in that：Row's oil-control regulation
Gearshift (4) includes the first discharge equipment (401) and the second discharge equipment (402), and first discharge equipment (401) is located at
The downside of the lower oil cavitie (202), second discharge equipment (402) is located at the upside of the displacement fixture (301).
4. oil pressure automatically adjusts variable compression ratio engine according to claim 3, it is characterised in that：The oil-feeding control dress
Putting (5) includes the first oil inlet (501) and the second oil inlet (502), and first oil inlet (501) is located at the upper oil cavitie
(201) side, first oil inlet (501) is provided with closes when second discharge equipment (402) starts oil extraction, stops
That is only opened during oil extraction enters oil extraction valve (503), and second oil inlet (502) is located at the lower oil cavitie (202) side.
5. oil pressure automatically adjusts variable compression ratio engine according to claim 4, it is characterised in that：First oil inlet
(501) input pressure of the input pressure more than second oil inlet (502).
6. oil pressure automatically adjusts variable compression ratio engine according to claim 3, it is characterised in that：The displacement fixture
(301) through hole (302) is provided with, second discharge equipment (402) is in the through hole (302) and reciprocal in it can slide
It is dynamic, it is provided with fuel feeding gap runner (303), the second row between second discharge equipment (402) and the through hole (302) hole wall
Oily device (402) upper end is provided with the oil extraction stop part (403) that can block fuel feeding gap runner (303), second oil extraction
Device (402) lower end is provided with sliding stroke limited block (404), the sliding stroke limited block (404) and the displacement fixture
(301) back-moving spring (405) is provided between, sliding stroke limited block (404) lower end is provided with control the second oil extraction dress
Put the slide control device (406) of (402) slide displacement.
7. oil pressure automatically adjusts variable compression ratio engine according to claim 6, it is characterised in that：It is described to slide control dress
It is eccentric cam to put (406), and the drive device for driving the eccentric cam to rotate is provided with the body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621380906.1U CN206309482U (en) | 2016-12-15 | 2016-12-15 | Oil pressure automatically adjusts variable compression ratio engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621380906.1U CN206309482U (en) | 2016-12-15 | 2016-12-15 | Oil pressure automatically adjusts variable compression ratio engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206309482U true CN206309482U (en) | 2017-07-07 |
Family
ID=59252170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621380906.1U Expired - Fee Related CN206309482U (en) | 2016-12-15 | 2016-12-15 | Oil pressure automatically adjusts variable compression ratio engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206309482U (en) |
-
2016
- 2016-12-15 CN CN201621380906.1U patent/CN206309482U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20191215 |