CN204984614U - Engine intake piston compression ratio governing system - Google Patents
Engine intake piston compression ratio governing system Download PDFInfo
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- CN204984614U CN204984614U CN201520746378.6U CN201520746378U CN204984614U CN 204984614 U CN204984614 U CN 204984614U CN 201520746378 U CN201520746378 U CN 201520746378U CN 204984614 U CN204984614 U CN 204984614U
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- cavity volume
- volume
- air outlet
- suction port
- piston
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Abstract
The utility model provides an engine intake piston compression ratio governing system belongs to combustion engine technical field. The problem that cylinder compression ratio that it had solved current engine can not not adjusted. This engine intake piston compression ratio governing system includes: the cylinder body, the gas chamber has been seted up in the cylinder body, the cylinder cap, the cylinder cap is sealed to be linked firmly on the cylinder body, has seted up volume chamber, air inlet and gas outlet on the cylinder cap, the volume chamber is just to the gas chamber, set up separately in volume chamber both sides air inlet and gas outlet, all installs the valve on air inlet and gas outlet, a piston, the piston can be at gas intracavity reciprocating sliding, adjusting device, adjusting device is smooth to be established at the volume intracavity, the air that just can compress the volume intracavity at the gas intracavity is established to the piston cunning, adjusting device can remove and adjust the volume of volume intracavity along the volume chamber. The utility model has the advantages of the compression ratio can be adjusted.
Description
Technical field
The utility model belongs to combustion engine technology field, relates to a kind of motor, and particularly a kind of engine charge piston compression compares regulating system.
Background technique
Motor has generally included cylinder, piston, suction port and air outlet, and piston slides in cylinder, and the inner space of cylinder is fixed, and therefore, the compression ratio of cylinder is constant.
Chinese patent CN102966403A discloses a kind of supercharged engine intake valve lift controlling device of technical field of internal combustion engines, comprise: intake duct, air outlet flue, intake valve hypomere, exhaust valve, intake valve epimere, cavity volume, moving body, run through pipe, moving block, connecting tube and spring, moving body to be arranged in cavity volume and to seal with the internal face of cavity volume and contacts, run through two walls up and down that pipe runs through moving body, moving block is arranged on to run through in pipe and seal with the internal face running through pipe and contacts, the lower end surface of moving block is plane, the upper-end surface of moving block is inclined-plane, the two ends of connecting tube respectively with suction tude, the left wall of cavity volume is connected, the right wall of moving body is connected with the right wall of cavity volume by spring.When engine exhaust overpressure is larger, moving body moves right, and intake valve lift becomes large; When engine exhaust overpressure is less, moving body is moved to the left, and intake valve lift diminishes.
The cylinder compression ratio of above-mentioned motor can not regulate, and the power of generation is large not.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes that a kind of compression ratio can regulate, the engine charge piston compression of power abundance compares regulating system.
The purpose of this utility model realizes by following technical proposal: a kind of engine charge piston compression, than regulating system, is characterized in that, comprising:
Cylinder body, offers combustion gas chamber in described cylinder body;
Cylinder cap, the sealing of described cylinder cap is connected on cylinder body, and cylinder cap offers cavity volume, suction port and air outlet, and described cavity volume is just to combustion gas chamber, and described suction port and air outlet are divided and be located at cavity volume both sides, and suction port and air outlet are all provided with valve;
Piston, described piston can reciprocatingly slide in combustion gas chamber;
Controlling device, described controlling device is slidably installed in cavity volume;
Described piston to be slidably installed in combustion gas chamber and can air in minimum cylinder volume chamber, and described controlling device can move along cavity volume and volume in volume adjusted chamber.
At above-mentioned a kind of engine charge piston compression than in regulating system, described controlling device comprises slide blocks and is arranged on the movement rod on slide blocks, described slide blocks sealing is slidably installed in cavity volume, and described movement rod can drive slide blocks to slide along the axial direction of cavity volume.
At above-mentioned a kind of engine charge piston compression than in regulating system, described cylinder cap offers groove, described groove is communicated with suction port, air outlet and cavity volume, the outlet of described suction port and air outlet is all opened in groove, and described valve can move the outlet of closing or opening suction port or air outlet.
At above-mentioned a kind of engine charge piston compression than in regulating system, described valve comprise connect successively mouth-sealed portion, guide rod portion and rocking arm portion, described mouth-sealed portion can be sealed into gas port or air outlet, described guide rod portion is slidably installed on cylinder cap, described rocking arm portion is connected to camshaft, and described camshaft drives valve to move back and forth up and down.
At above-mentioned a kind of engine charge piston compression than in regulating system, described slide blocks is provided with spark plug.
Compared with prior art, the utility model has following advantage:
1, adopt the volume in controlling device energy volume adjusted chamber, achieve the adjustability of cavity volume, more powerful power can be provided to motor.
2, valve facility is in the both sides of cavity volume, is communicated to cavity volume by groove, and cavity volume and combustion gas chamber are coaxial, the pressure uniform that piston is subject to.
3, control opening successively of valve by the rotation of camshaft or close, stability of motions is good, and structure is simple.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, cylinder body; 11, combustion gas chamber; 2, cylinder cap; 21, suction port; 22, air outlet; 23, cavity volume; 24, groove; 3, piston; 4, controlling device; 41, slide blocks; 42, movement rod; 43, spark plug; 5, valve; 51, mouth-sealed portion; 52, guide rod portion; 53, rocking arm portion; 54, camshaft.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this engine charge piston compression, than regulating system, comprising: cylinder body 1, cylinder cap 2, piston 3 and controlling device 4, offer combustion gas chamber 11 in cylinder body 1; Cylinder cap 2 sealing is connected on cylinder body 1, cylinder cap 2 offers cavity volume 23, suction port 21 and air outlet 22, cavity volume 23 is just to combustion gas chamber 11, suction port 21 and 22 points, air outlet are located at cavity volume 23 both sides, suction port 21 and air outlet 22 are all provided with valve 5, and suction port 21 or air outlet 22 can be opened or close to valve 5; Piston 3 can reciprocatingly slide in combustion gas chamber 11; Controlling device 4 is slidably installed in cavity volume 23; Piston 3 to be slidably installed in combustion gas chamber 11 and can air in minimum cylinder volume chamber 23, and controlling device 4 can move along cavity volume 23 and volume in volume adjusted chamber 23.
Suction port 21 is to air inlet in piston 3 chamber and cavity volume 23, gas in piston 3 motion energy minimum cylinder volume chamber 23, controlling device 4 in cavity volume 23 can be moved in cavity volume 23, controlling device 4 converts the volume size of cavity volume 23, motor power is as required regulated, form the motor of a variable compression ratio, strong impetus is provided.
The movement rod 42 that controlling device 4 comprises slide blocks 41 and is arranged on slide blocks 41, movement rod 42 to be arranged on cylinder cap 2 and to run through, slide blocks 41 sealing is slidably installed in cavity volume 23, movement rod 42 can drive slide blocks 41 to slide along the axial direction of cavity volume 23, and slide blocks 41 is provided with spark plug 43.
Slide blocks 41 sealing is slidably installed in cavity volume 23, changes slide blocks 41 at the sealing station of cavity volume 23, can change the volume of cavity volume 23, and then can regulate the compression ratio of motor, easy to adjust.
Cylinder cap 2 is offered groove 24, groove 24 is communicated with suction port 21, air outlet 22 and cavity volume 23, the outlet of suction port 21 and air outlet 22 is all opened in groove 24 place, as preferably, suction port 21 and air outlet 22 are symmetrically distributed in the both sides of cavity volume 23, the axes normal of the outlet of suction port 21 and air outlet 22 is in the plane of groove 24, and valve 5 can move the outlet of closing or opening suction port 21 or air outlet 22.
Suction port 21 and air outlet 22 are arranged on groove 24 place, controlling device 4 can be made to move in cavity volume 23, air inlet and the exhaust of suction port 21 and air outlet 22 can not be affected again, the compression ratio achieving motor is adjustable, suction port 21 and air outlet 22 are arranged on groove 24 place, effectively avoid the moving region of controlling device 4, independent operating.
Valve 5 comprise connect successively mouth-sealed portion 51, guide rod portion 52 and rocking arm portion 53, mouth-sealed portion 51 is in inverted cone, and mouth-sealed portion 51 can be sealed into gas port 21 or air outlet 22, and guide rod portion 52 is slidably installed on cylinder cap 2; rocking arm portion 53 is connected to camshaft 54, and camshaft 54 drives valve 5 to move back and forth up and down.Camshaft 54 is arranged on outside cylinder cap 2, and camshaft 54 is arranged on outside cylinder cap 2, and valve 5 opens or closes suction port 21 or air outlet 22 at the drive periodical of camshaft 54, and action continuity is good, and reliability is high, failure rate is low.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. engine charge piston compression is than a regulating system, it is characterized in that, comprising:
Cylinder body, offers combustion gas chamber in described cylinder body;
Cylinder cap, the sealing of described cylinder cap is connected on cylinder body, and cylinder cap offers cavity volume, suction port and air outlet, and described cavity volume is just to combustion gas chamber, and described suction port and air outlet are divided and be located at cavity volume both sides, and suction port and air outlet are all provided with valve;
Piston, described piston can reciprocatingly slide in combustion gas chamber;
Controlling device, described controlling device is slidably installed in cavity volume;
Described piston to be slidably installed in combustion gas chamber and can air in minimum cylinder volume chamber, and described controlling device can move along cavity volume and volume in volume adjusted chamber.
2. a kind of engine charge piston compression according to claim 1 compares regulating system, it is characterized in that, described controlling device comprises slide blocks and is arranged on the movement rod on slide blocks, described slide blocks sealing is slidably installed in cavity volume, and described movement rod can drive slide blocks to slide along the axial direction of cavity volume.
3. a kind of engine charge piston compression according to claim 1 and 2 compares regulating system, it is characterized in that, described cylinder cap offers groove, described groove is communicated with suction port, air outlet and cavity volume, the outlet of described suction port and air outlet is all opened in groove, and described valve can move the outlet of closing or opening suction port or air outlet.
4. a kind of engine charge piston compression according to claim 1 and 2 compares regulating system, it is characterized in that, described valve comprise connect successively mouth-sealed portion, guide rod portion and rocking arm portion, described mouth-sealed portion can be sealed into gas port or air outlet, described guide rod portion is slidably installed on cylinder cap, described rocking arm portion is connected to camshaft, and described camshaft drives valve to move back and forth up and down.
5. a kind of engine charge piston compression according to claim 2 is than regulating system, it is characterized in that, described slide blocks is provided with spark plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746378.6U CN204984614U (en) | 2015-09-24 | 2015-09-24 | Engine intake piston compression ratio governing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520746378.6U CN204984614U (en) | 2015-09-24 | 2015-09-24 | Engine intake piston compression ratio governing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984614U true CN204984614U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520746378.6U Expired - Fee Related CN204984614U (en) | 2015-09-24 | 2015-09-24 | Engine intake piston compression ratio governing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204984614U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937442A (en) * | 2015-12-21 | 2016-09-14 | 宁波星豪汽车维修有限公司 | Internal combustion engine compression ratio adjusting system |
| CN107677520A (en) * | 2017-11-21 | 2018-02-09 | 中国石油大学(北京) | A kind of natural gas sample collecting apparatus and acquisition method |
| CN108590865A (en) * | 2018-04-26 | 2018-09-28 | 福州大学 | Variable volume diesel engine based on worm gear mechanism and its working method |
| CN112483271A (en) * | 2020-11-18 | 2021-03-12 | 中车工业研究院有限公司 | Engine and control method thereof |
-
2015
- 2015-09-24 CN CN201520746378.6U patent/CN204984614U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937442A (en) * | 2015-12-21 | 2016-09-14 | 宁波星豪汽车维修有限公司 | Internal combustion engine compression ratio adjusting system |
| CN107677520A (en) * | 2017-11-21 | 2018-02-09 | 中国石油大学(北京) | A kind of natural gas sample collecting apparatus and acquisition method |
| CN107677520B (en) * | 2017-11-21 | 2023-10-20 | 中国石油大学(北京) | Natural gas sample collection device and collection method |
| CN108590865A (en) * | 2018-04-26 | 2018-09-28 | 福州大学 | Variable volume diesel engine based on worm gear mechanism and its working method |
| CN108590865B (en) * | 2018-04-26 | 2020-05-08 | 福州大学 | Variable volume diesel engine and working method thereof |
| CN112483271A (en) * | 2020-11-18 | 2021-03-12 | 中车工业研究院有限公司 | Engine and control method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170924 |