CN106285823A - Engine with supercharger valve stroke continuous changeable device - Google Patents
Engine with supercharger valve stroke continuous changeable device Download PDFInfo
- Publication number
- CN106285823A CN106285823A CN201610675835.6A CN201610675835A CN106285823A CN 106285823 A CN106285823 A CN 106285823A CN 201610675835 A CN201610675835 A CN 201610675835A CN 106285823 A CN106285823 A CN 106285823A
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- China
- Prior art keywords
- spring
- movable block
- pipe
- extrusion
- control volume
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
A kind of engine with supercharger valve stroke continuous changeable device of technical field of mechanical design, including performing body, moving body, run through pipe, movable block, pull bar, control volume, rotary shaft, centrifugal body, ball, spring, extrusion, it is internal that moving body is arranged in execution, run through pipe to be arranged in moving body, movable block is arranged in and runs through in pipe, rotary shaft is consolidated with control volume, rotary shaft is connected with engine crankshaft by chain, first spring, centrifugal body, ball, second spring, extrusion is arranged in control volume, centrifugal body, the vertical section of extrusion is trapezoidal.In the present invention, when engine speed is higher, valve stroke is big；When engine speed is less, valve stroke is less.The present invention is reasonable in design, simple in construction, it is adaptable to engine air valve lift variable system optimization designs.
Description
Technical field
The present invention relates to the variable valve lift system of a kind of technical field of mechanical design, particularly one is applicable to
The engine with supercharger valve stroke continuous changeable device that valve stroke is associated with engine speed.
Background technology
Traditional petrolic valve stroke is fixing immutable, and namely the cam profile of camshaft only has one
Kind, this has resulted in this lift can not make electromotor all obtain good response in high velocity and low regime.Conventional gasoline machine is sent out
The valve stroke of motivation i.e. design of cam contour line is to select electromotor balance under full working scope, its result be electromotor both
Can not get optimal high speed efficiency, also can not get optimal low speed torque, but obtained best balanced performance under full working scope.Variable
The employing of valve stroke, makes electromotor can be met the valve stroke of demand in high velocity and low regime, thus improves and send out
Motivation high-speed power and low speed torque.
Through the retrieval of prior art literature is found, China Patent No. application number 200910190522.1, patent name:
The hydraulic valve mechanism of a kind of lift range variable, this patented technology provides the device of a kind of variable valve lift, can be preferably
Take into account the high and low rotating speed operating mode of electromotor.But its design is the hydraulic mechanism utilized, the highest to sealing requirements, poorly sealed
If easily cause fluid seepage；And owing to liquid exists certain compressibility, the response speed of valve stroke change has
Certain retardance.
Summary of the invention
Originally the present invention is directed to above-mentioned the deficiencies in the prior art, it is provided that a kind of mechanical conditioning type variable valve lift system,
The response speed that valve stroke can be made to change is very fast.
The present invention is achieved through the following technical solutions, the present invention include inlet manifold, compressor, air intake branch,
Cylinder cap, cylinder body, piston, exhaust branch pipe, turbine, exhaust main, inlet valve hypomere, exhaust valve hypomere, inlet valve epimere, execution
Body, moving body, first run through pipe, the first movable block, pull bar, control volume, rotary shaft, the first spring, centrifugal body, ball, second
Spring, extrusion, second run through pipe, exhaust valve epimere, the second movable block, the first connecting tube, the second connecting tube, the 3rd spring,
4th spring, the 5th spring, the 6th spring, inlet manifold, air intake branch link together, and exhaust branch pipe, exhaust main connect
Together, compressor is arranged on inlet manifold, and turbine is arranged on exhaust main, and piston is arranged in cylinder body, under inlet valve
Section, exhaust valve hypomere be arranged on cylinder cap, moving body be arranged in execution internal, first runs through pipe is arranged in moving body, first
Movable block is arranged in first to be run through in pipe, and the vertical section of the first movable block is trapezoidal, and the upper end of inlet valve hypomere is through performing body
Lower wall surface after touch with the bottom connection of the first movable block, the lower end of inlet valve epimere is moved with first after crossing the upper wall surface performing body
The top of motion block contacts, and rotary shaft is consolidated with control volume, and rotary shaft is connected with engine crankshaft by chain, the
One spring, centrifugal body, ball, the second spring, extrusion are arranged in control volume, and centrifugal body, the vertical section of extrusion are
Trapezoidal, ball is embedded in the outside wall surface of extrusion, and a side wall surface of centrifugal body contacts with ball, another sidewall of centrifugal body
Face is connected with the internal face of control volume by the first spring, and the right wall of extrusion is by the inwall of the second spring with control volume
Face is connected, and one end of pull bar is connected with extrusion left wall face, after the other end of pull bar passes the wall performing body
It is consolidated with the right wall of moving body；Second runs through pipe is arranged in moving body, and the second movable block is arranged in second to be run through
In pipe, the vertical section of the second movable block is trapezoidal, and the upper end of exhaust valve hypomere is moved with second after the lower wall surface of execution body
The bottom connection of block touches, and the lower end of exhaust valve epimere contacts with the top of the second movable block after crossing the upper wall surface performing body；The
One end of one connecting tube is connected with the exhaust main before turbine, the cavity phase on the right side of the other end of the first connecting tube and moving body
Connection, one end of the second connecting tube is connected with the inlet manifold after compressor, and the other end of the second connecting tube is left with moving body
The cavity of side is connected；3rd spring, the 4th spring are arranged in the cavity of moving body, and the 5th layout of spring moves first
Below motion block first run through pipe in, the 6th layout of spring below the second movable block second run through pipe in.
Further, in the present invention, centrifugal body, ball are array and arrange, the cross section of control volume internal cavity
For round, the cross section of extrusion is round, and the cross section of centrifugal body is rectangle.
Compared with prior art, the present invention have the advantages that into: the present invention is reasonable in design, simple in construction, valve
Lift can followed by the rotating speed started and be changed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing of Fig. 1；
Fig. 3 is the profile of control volume in the present invention；
Fig. 4 is the structural representation of A-A section in Fig. 1；
Fig. 5 is the structural representation of B-B section in Fig. 3；
Wherein: 1, inlet manifold, 2, compressor, 3, air intake branch, 4, cylinder cap, 5, cylinder body, 6, piston, 7, exhaust branch pipe,
8, turbine, 9, exhaust main, 10, inlet valve hypomere, 11, exhaust valve hypomere, 12, inlet valve epimere, 13, perform body, 14, mobile
Body, 15, first runs through pipe, the 16, first movable block, 17, pull bar, 18, control volume, 19, rotary shaft, the 20, first spring, 21, from
Heart body, 22, ball, the 23, second spring, 24, extrusion, 25, second runs through pipe, and 26, exhaust valve epimere, the 27, second movable block,
28, the first connecting tube, the 29, second connecting tube, the 30, the 3rd spring, the 31, the 4th spring, the 32, the 5th spring, the 33, the 6th spring.
Detailed description of the invention
Elaborating embodiments of the invention below in conjunction with the accompanying drawings, the present embodiment is front with technical solution of the present invention
Carry, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
As shown in Figures 1 to 5, the present invention includes inlet manifold 1, compressor 2, air intake branch 3, cylinder cap 4, cylinder body 5, piston
6, exhaust branch pipe 7, turbine 8, exhaust main 9, inlet valve hypomere 10, exhaust valve hypomere 11, inlet valve epimere 12, perform body 13,
Moving body 14, first run through pipe the 15, first movable block 16, pull bar 17, control volume 18, rotary shaft the 19, first spring 20, centrifugal body
21, ball the 22, second spring 23, extrusion 24, second run through pipe 25, exhaust valve epimere the 26, second movable block 27, first connects
Pipe the 28, second connecting tube the 29, the 3rd spring the 30, the 4th spring the 31, the 5th spring the 32, the 6th spring 33, inlet manifold 1, air inlet
Arm 3 links together, and exhaust branch pipe 7, exhaust main 9 link together, and compressor 2 is arranged on inlet manifold 1, turbine 8
Being arranged on exhaust main 9, piston 6 is arranged in cylinder body 5, and inlet valve hypomere 10, exhaust valve hypomere 11 are arranged on cylinder cap 4,
Moving body 14 is arranged in execution body 13, and first runs through pipe 15 is arranged in moving body 14, and the first movable block 16 is arranged in first
Running through in pipe 15, the vertical section of the first movable block 16 is trapezoidal, and the upper end of inlet valve hypomere 10 is through the lower wall surface performing body 13
Bottom connection with the first movable block 16 touches afterwards, and the lower end of inlet valve epimere 12 is moved with first after crossing the upper wall surface performing body 13
The top of block 16 contacts, and rotary shaft 19 is consolidated with control volume 18, and rotary shaft 19 is by chain and engine crankshaft phase
Connecting, the first spring 20, centrifugal body 21, ball the 22, second spring 23, extrusion 24 are arranged in control volume 18, centrifugal body
21, the vertical section of extrusion 24 is trapezoidal, and ball 22 is embedded in the outside wall surface of extrusion 24, a side wall surface of centrifugal body 21
Contacting with ball 22, the opposite side wall of centrifugal body 21 is connected with the internal face of control volume 18 by the first spring 20, draws
The right wall stretching body 24 is connected with the internal face of control volume 18 by the second spring 23, one end of pull bar 17 and stretching
Body 24 left wall face is connected, and the other end of pull bar 17 is fixedly arranged at one with the right wall of moving body 14 after performing the wall of body 13
Rising, centrifugal body 21, ball 22 are array and arrange, the cross section of control volume 18 internal cavity is round, the horizontal stroke of extrusion 24
Cross section is round, and the cross section of centrifugal body 21 is rectangle；Second runs through pipe 25 is arranged in moving body 14, the second movable block 27
Being arranged in second and run through in pipe 25, the vertical section of the second movable block 27 is trapezoidal, and the upper end of exhaust valve hypomere 11 is through performing body
After the lower wall surface of 13, the bottom connection with the second movable block 27 touches, after the upper wall surface performing body 13 is crossed in the lower end of exhaust valve epimere 26
Contact with the top of the second movable block 27；One end of first connecting tube 28 is connected with the exhaust main 9 before turbine 8, and first
The other end of connecting tube 28 is connected with the cavity on the right side of moving body 14, entering after one end of the second connecting tube 29 and compressor 2
Gas house steward 1 is connected, and the other end of the second connecting tube 29 is connected with the cavity on the left of moving body 14；3rd spring the 30, the 4th
Spring 31 is arranged in the cavity of moving body 14, and what the 5th spring 32 was arranged in below the first movable block 16 first runs through pipe
In 15, what the 6th spring 33 was arranged in below the second movable block 27 second runs through in pipe 25.
In the implementation process of the present invention, rotary shaft 19 is connected with engine crankshaft by chain.Work as engine speed
Time higher, the rotary speed of control volume 18 is the highest, and under the left and right of centrifugal force, centrifugal body 21 is displaced outwardly and compresses the first bullet
Spring 20, extrusion 24 moves right under the effect of the second spring 23, so that pull bar 17 pulls moving body the 14, first movable block
16, the second movable block 27 moves right together, and inlet valve epimere 12, exhaust valve epimere 26 move up simultaneously, inlet and exhaust valve
Overall lift becomes big.In like manner, when the engine speed is lower, the rotary speed of control volume 18 is relatively low, at the first spring 20
Under effect, centrifugal body moves inwards, and extrusion 24 is moved to the left so that pull bar 17 pull moving body the 14, first movable block 16,
Second movable block 27 is moved to the left together, and inlet valve epimere 12, exhaust valve epimere 26 move down simultaneously, the entirety of inlet and exhaust valve
Lift diminishes.
Under the effect of first connecting tube the 28, second connecting tube 29, moving body 14 two ends gassy, so that moving body
Smooth-going is compared in the movement of 14.Under the effect of the 3rd spring the 30, the 4th spring the 31, the 5th spring the 32, the 6th spring 33, whole system
System motion is more stable.
Claims (2)
1. an engine with supercharger valve stroke continuous changeable device, including inlet manifold (1), compressor (2), air intake branch
(3), cylinder cap (4), cylinder body (5), piston (6), exhaust branch pipe (7), turbine (8), exhaust main (9), inlet valve hypomere (10), row
Valve hypomere (11), inlet manifold (1), air intake branch (3) link together, and exhaust branch pipe (7), exhaust main (9) are connected to
Together, compressor (2) is arranged on inlet manifold (1), and turbine (8) is arranged on exhaust main (9), and piston (6) is arranged in cylinder
In body (5), inlet valve hypomere (10), exhaust valve hypomere (11) are arranged on cylinder cap (4), it is characterised in that also include inlet valve
Epimere (12), perform body (13), moving body (14), first run through pipe (15), the first movable block (16), pull bar (17), control volume
(18), rotary shaft (19), the first spring (20), centrifugal body (21), ball (22), the second spring (23), extrusion (24), second
Run through pipe (25), exhaust valve epimere (26), the second movable block (27), the first connecting tube (28), the second connecting tube (29), the 3rd bullet
Spring (30), the 4th spring (31), the 5th spring (32), the 6th spring (33), moving body (14) is arranged in execution body (13), the
Consistent poling (15) is arranged in moving body (14), and the first movable block (16) is arranged in first to be run through in pipe (15), and first moves
The vertical section of block (16) is trapezoidal, the upper end of inlet valve hypomere (10) through perform body (13) lower wall surface after with the first movable block
(16) bottom connection touches, the lower end of inlet valve epimere (12) cross after the upper wall surface of execution body (13) with the first movable block (16)
Top contacts, and rotary shaft (19) is consolidated with control volume (18), and rotary shaft (19) passes through chain and engine crankshaft phase
Connecting, the first spring (20), centrifugal body (21), ball (22), the second spring (23), extrusion (24) are arranged in control volume
(18), in, centrifugal body (21), the vertical section of extrusion (24) are trapezoidal, and ball (22) is embedded in the outside wall surface of extrusion (24)
On, a side wall surface of centrifugal body (21) contacts with ball (22), and the opposite side wall of centrifugal body (21) is by the first spring
(20) internal face with control volume (18) is connected, and the right wall of extrusion (24) is by the second spring (23) and control volume (18)
Internal face be connected, one end of pull bar (17) is connected with extrusion (24) left wall face, the other end of pull bar (17)
After the wall of execution body (13), the right wall with moving body (14) is consolidated；Second runs through pipe (25) is arranged in movement
In body (14), the second movable block (27) is arranged in second to be run through in pipe (25), and the vertical section of the second movable block (27) is trapezoidal, row
The upper end of valve hypomere (11) is tactile with the bottom connection of the second movable block (27) after passing the lower wall surface performing body (13), exhaust valve
The lower end of epimere (26) contacts with the top of the second movable block (27) after crossing the upper wall surface of execution body (13)；First connecting tube
(28) one end exhaust main (9) front with turbine (8) is connected, and the other end of the first connecting tube (28) is right with moving body (14)
The cavity of side is connected, and one end of the second connecting tube (29) is connected with the inlet manifold (1) after compressor (2), and second connects
The other end of pipe (29) is connected with the cavity in moving body (14) left side；3rd spring (30), the 4th spring (31) are respectively arranged
In the cavity of moving body (14), the 5th spring (32) is arranged in the first of the first movable block (16) lower section and runs through in pipe (15),
6th spring (33) is arranged in second below the second movable block (27) to be run through in pipe (25).
Engine with supercharger valve stroke continuous changeable device the most according to claim 1, it is characterised in that centrifugal body (21),
Ball (22) is array and arranges, the cross section of control volume (18) internal cavity is round, and the cross section of extrusion (24) is
Round, the cross section of centrifugal body (21) is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675835.6A CN106285823A (en) | 2016-08-16 | 2016-08-16 | Engine with supercharger valve stroke continuous changeable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675835.6A CN106285823A (en) | 2016-08-16 | 2016-08-16 | Engine with supercharger valve stroke continuous changeable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106285823A true CN106285823A (en) | 2017-01-04 |
Family
ID=57678605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610675835.6A Pending CN106285823A (en) | 2016-08-16 | 2016-08-16 | Engine with supercharger valve stroke continuous changeable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106285823A (en) |
Citations (10)
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| KR970010256B1 (en) * | 1995-03-31 | 1997-06-23 | Daewoo Electronics Co Ltd | Signal feedback type bass-sound compensating control apparatus for speaker system |
| JP2009264251A (en) * | 2008-04-25 | 2009-11-12 | Honda Motor Co Ltd | Valve gear of internal combustion engine |
| CN102808670A (en) * | 2012-08-30 | 2012-12-05 | 上海交通大学 | Air intake/exhaust valve lift-variable system in air intake pressure regulating type |
| CN102926835A (en) * | 2012-10-12 | 2013-02-13 | 上海交通大学 | Two-valve stroke synchronously-variable device |
| CN102966394A (en) * | 2012-11-06 | 2013-03-13 | 上海交通大学 | Dual moving block synchronous movement type mechanical system |
| CN102966399A (en) * | 2012-11-29 | 2013-03-13 | 上海交通大学 | Tappet rod device with transverse moving type moving body |
| CN103233791A (en) * | 2013-04-07 | 2013-08-07 | 上海交通大学 | Differential pressure type valve lift control system |
| CN103291404A (en) * | 2013-05-09 | 2013-09-11 | 上海交通大学 | Adjustable tension mechanism with stepper motor |
| CN105422271A (en) * | 2015-12-21 | 2016-03-23 | 康明 | Slope-type pull rod up and down moving device |
-
2016
- 2016-08-16 CN CN201610675835.6A patent/CN106285823A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970010256B1 (en) * | 1995-03-31 | 1997-06-23 | Daewoo Electronics Co Ltd | Signal feedback type bass-sound compensating control apparatus for speaker system |
| KR970010256A (en) * | 1995-08-21 | 1997-03-27 | 전성원 | Noise reduction device for automotive transmission |
| JP2009264251A (en) * | 2008-04-25 | 2009-11-12 | Honda Motor Co Ltd | Valve gear of internal combustion engine |
| CN102808670A (en) * | 2012-08-30 | 2012-12-05 | 上海交通大学 | Air intake/exhaust valve lift-variable system in air intake pressure regulating type |
| CN102926835A (en) * | 2012-10-12 | 2013-02-13 | 上海交通大学 | Two-valve stroke synchronously-variable device |
| CN102966394A (en) * | 2012-11-06 | 2013-03-13 | 上海交通大学 | Dual moving block synchronous movement type mechanical system |
| CN102966399A (en) * | 2012-11-29 | 2013-03-13 | 上海交通大学 | Tappet rod device with transverse moving type moving body |
| CN103233791A (en) * | 2013-04-07 | 2013-08-07 | 上海交通大学 | Differential pressure type valve lift control system |
| CN103291404A (en) * | 2013-05-09 | 2013-09-11 | 上海交通大学 | Adjustable tension mechanism with stepper motor |
| CN105422271A (en) * | 2015-12-21 | 2016-03-23 | 康明 | Slope-type pull rod up and down moving device |
Non-Patent Citations (1)
| Title |
|---|
| 何东伟: "《汽车新技术》", 31 March 2016, 上海科学技术文献 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |