CN106050350A - Cushion block movable type valve height adjusting system - Google Patents
Cushion block movable type valve height adjusting system Download PDFInfo
- Publication number
- CN106050350A CN106050350A CN201610550792.9A CN201610550792A CN106050350A CN 106050350 A CN106050350 A CN 106050350A CN 201610550792 A CN201610550792 A CN 201610550792A CN 106050350 A CN106050350 A CN 106050350A
- Authority
- CN
- China
- Prior art keywords
- spring
- extrusion
- centrifugal
- ball
- control volume
- 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
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention discloses a cushion block movable type valve height adjusting system in the technical field of mechanical design. The cushion block movable type valve height adjusting system comprises an executing body, a movable body, a through pipe, a movable block, a pull rod, a control body, a rotating shaft, a centrifugal body, a ball, springs and a stretching body; the movable body is arranged in the executing body; the through pipe is arranged in the movable body; the movable block is arranged in the through pipe; the rotating shaft is fixedly connected with the control body, and is connected with an engine crankshaft through a chain; the first spring, the centrifugal body, the ball, the second spring and the stretching body are all arranged in the control body; and the longitudinal sections of the centrifugal body and the stretching body are both trapezoidal. In the cushion block movable type valve height adjusting system, when the rotating speed of an engine is relatively high, the valve lift is high; and when the rotating speed of the engine is relatively low, the valve lift is relatively small. The cushion block movable type valve height adjusting system is reasonable in design, simple in structure and suitable for optimal design of an engine valve lift variable system.
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 cushion block movable type valve heights regulation system 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, run through pipe, movable block, pull bar, control volume, rotary shaft, the first spring, centrifugal body, ball, the second spring, stretching
Body, the 3rd spring, the 4th spring, inlet manifold, air intake branch link together, and exhaust branch pipe, exhaust main link together,
Compressor is arranged on inlet manifold, and turbine is arranged on exhaust main, and piston is arranged in cylinder body, inlet valve hypomere, aerofluxus
Door hypomere is arranged on cylinder cap, and it is internal that moving body is arranged in execution, runs through pipe and is arranged in moving body, and movable block is arranged in and runs through
In pipe, the vertical section of movable block is trapezoidal, the upper end of inlet valve hypomere through perform after the lower wall surface of body with the bottom of movable block
Contacting, the lower end of inlet valve epimere contacts with the top of movable block after crossing the upper wall surface performing body, rotary shaft and control volume
Being consolidated, rotary shaft is connected with engine crankshaft by chain, the first spring, centrifugal body, ball, the second spring, draws
Stretching body to be arranged in control volume, centrifugal body, the vertical section of extrusion are trapezoidal, and ball is embedded in the outside wall surface of extrusion
On, a side wall surface of centrifugal body contacts with ball, the opposite side wall of the centrifugal body inwall by the first spring with control volume
Face is connected, and the right wall of extrusion is connected with the internal face of control volume by the second spring, one end of pull bar with
Extrusion left wall face is connected, and the other end of pull bar is consolidated with the right wall of moving body after performing the wall of body,
It is internal that 3rd spring, the 4th spring are arranged in execution, and the two ends of the 3rd spring are connected with moving body, the execution right wall of body respectively
Connecing, the two ends of the 4th spring are connected with moving body, execution body left wall face respectively.
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, run through pipe, 16, movable block, 17, pull bar, 18, control volume, 19, rotary shaft, the 20, first spring, 21, centrifugal body, 22,
Ball, the 23, second spring, 24, extrusion, the 25, the 3rd spring, the 26, the 4th 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, run through pipe 15, movable block 16, pull bar 17, control volume 18, rotary shaft the 19, first spring 20, centrifugal body 21, ball
22, the second spring 23, extrusion the 24, the 3rd spring the 25, the 4th spring 26, inlet manifold 1, air intake branch 3 link together, and arrange
Gas branch pipe 7, exhaust main 9 link together, and compressor 2 is arranged on inlet manifold 1, and turbine 8 is 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, and moving body 14 is arranged in execution
In body 13, running through pipe 15 and be arranged in moving body 14, movable block 16 is arranged in and runs through in pipe 15, and the vertical section of movable block 16 is ladder
Shape, the upper end of inlet valve hypomere 10 is tactile with the bottom connection of movable block 16 after passing the lower wall surface performing body 13, inlet valve epimere
The lower end of 12 contacts with the top of movable block 16 after crossing the upper wall surface performing body 13, and rotary shaft 19 and control volume 18 are fixedly arranged at one
Rise, rotary shaft 19 is connected with engine crankshaft by chain, the first spring 20, be centrifuged body 21, ball the 22, second spring 23,
Extrusion 24 is arranged in control volume 18, and centrifugal body 21, the vertical section of extrusion 24 are trapezoidal, and ball 22 is embedded in stretching
In the outside wall surface of body 24, a side wall surface of centrifugal body 21 contacts with ball 22, and the opposite side wall of centrifugal body 21 is by first
Spring 20 is connected with the internal face of control volume 18, and the right wall of extrusion 24 is by the inwall of the second spring 23 with control volume 18
Face is connected, and one end of pull bar 17 is connected with extrusion 24 left wall face, and the other end of pull bar 17 is through performing body 13
Wall after be consolidated with the right wall of moving body 14, centrifugal body 21, ball 22 are array and arrange, in control volume 18
The cross section of portion's cavity is round, and the cross section of extrusion 24 is round, and the cross section of centrifugal body 21 is rectangle, the 3rd spring
25, the 4th spring 26 be arranged in execution body 13 in, the two ends of the 3rd spring 25 respectively with moving body 14, perform the right wall of body 13
Being connected, the two ends of the 4th spring 26 are connected with moving body 14, execution body 13 left wall face respectively.
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 14, movable block 16 1
Rising and move right, inlet valve epimere 12 moves up, and the overall lift of inlet valve becomes big.In like manner, when the engine speed is lower,
The rotary speed of control volume 18 is relatively low, and under the effect of the first spring 20, centrifugal body moves inwards, and extrusion 24 is moved to the left,
So that pull bar 17 pulls moving body 14, movable block 16 to be moved to the left together, inlet valve epimere 12 moves down, inlet valve whole
Body lift diminishes.Under the effect of the 3rd spring the 25, the 4th spring 26, smooth-going is compared in moving body 14, the movement of movable block 16.
Claims (2)
1. a cushion block movable type valve heights regulation system, including inlet manifold (1), compressor (2), air intake branch (3), cylinder
Under lid (4), cylinder body (5), piston (6), exhaust branch pipe (7), turbine (8), exhaust main (9), inlet valve hypomere (10), exhaust valve
Section (11), inlet manifold (1), air intake branch (3) link together, and exhaust branch pipe (7), exhaust main (9) link together, pressure
Mechanism of qi (2) is arranged on inlet manifold (1), and turbine (8) is arranged on exhaust main (9), and piston (6) is arranged in cylinder 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), run through pipe (15), movable block (16), pull bar (17), control volume (18), rotary shaft (19), the
One spring (20), centrifugal body (21), ball (22), the second spring (23), extrusion (24), the 3rd spring (25), the 4th spring
(26), moving body (14) is arranged in execution body (13), runs through pipe (15) and is arranged in moving body (14), and movable block (16) is arranged
Within running through pipe (15), the vertical section of movable block (16) is trapezoidal, and the upper end of inlet valve hypomere (10) is through performing body (13)
Touch with the bottom connection of movable block (16) after lower wall surface, the lower end of inlet valve epimere (12) cross after the upper wall surface of execution body (13) with
The top of movable block (16) contacts, and rotary shaft (19) is consolidated with control volume (18), rotary shaft (19) by chain with
Engine crankshaft is connected, and the first spring (20), centrifugal body (21), ball (22), the second spring (23), extrusion (24) are uniform
Putting in control volume (18), centrifugal body (21), the vertical section of extrusion (24) are trapezoidal, and ball (22) is embedded in extrusion
(24) in outside wall surface, a side wall surface of centrifugal body (21) contacts with ball (22), and the opposite side wall of centrifugal body (21) leads to
Cross the first spring (20) to be connected with the internal face of control volume (18), the right wall of extrusion (24) by the second spring (23) with
The internal face of control volume (18) is connected, and one end of pull bar (17) is connected with extrusion (24) left wall face, pull bar
(17) the other end is consolidated with the right wall of moving body (14) after performing the wall of body (13), the 3rd spring
(25), the 4th spring (26) be arranged in execution body (13), the two ends of the 3rd spring (25) respectively with moving body (14), perform
Body (13) right wall is connected, and the two ends of the 4th spring (26) are connected with moving body (14), execution body (13) left wall face respectively.
Cushion block movable type valve heights the most according to claim 1 regulation system, it is characterised in that centrifugal body (21), ball
(22) being array to arrange, 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 |
|---|---|---|---|
| CN201610550792.9A CN106050350A (en) | 2016-07-13 | 2016-07-13 | Cushion block movable type valve height adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550792.9A CN106050350A (en) | 2016-07-13 | 2016-07-13 | Cushion block movable type valve height adjusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106050350A true CN106050350A (en) | 2016-10-26 |
Family
ID=57185509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610550792.9A Pending CN106050350A (en) | 2016-07-13 | 2016-07-13 | Cushion block movable type valve height adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050350A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277164A (en) * | 2013-05-09 | 2013-09-04 | 上海交通大学 | Push-pull valve height variable system |
| CN103334806A (en) * | 2013-05-09 | 2013-10-02 | 上海交通大学 | Electric height adjustment device of tappet |
| CN105386864A (en) * | 2015-12-21 | 2016-03-09 | 王悦萍 | Centre-fixed and periphery-rotating device |
| CN105508028A (en) * | 2015-12-21 | 2016-04-20 | 康明 | Slope-inlaid type rolling device |
-
2016
- 2016-07-13 CN CN201610550792.9A patent/CN106050350A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277164A (en) * | 2013-05-09 | 2013-09-04 | 上海交通大学 | Push-pull valve height variable system |
| CN103334806A (en) * | 2013-05-09 | 2013-10-02 | 上海交通大学 | Electric height adjustment device of tappet |
| CN105386864A (en) * | 2015-12-21 | 2016-03-09 | 王悦萍 | Centre-fixed and periphery-rotating device |
| CN105508028A (en) * | 2015-12-21 | 2016-04-20 | 康明 | Slope-inlaid type rolling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102926833B (en) | Mechanical type lever proportion regulating mechanism | |
| CN102926835B (en) | Two-valve stroke synchronously-variable device | |
| CN102926834B (en) | Mechanical type valve stroke continuously-variable device | |
| CN102966400B (en) | System for adjusting height of moving block type tappet rod | |
| CN102979593B (en) | Left-and-right moving device of mobile rod | |
| CN103233791A (en) | Differential pressure type valve lift control system | |
| CN103277164A (en) | Push-pull valve height variable system | |
| CN102953777B (en) | Inlet pressure control type camshaft device | |
| CN102966395B (en) | Single-valve height pneumatic control system | |
| CN106050350A (en) | Cushion block movable type valve height adjusting system | |
| CN102953779B (en) | Lever regulation type lift variable system | |
| CN202991165U (en) | Tappet height mechanical regulation device | |
| CN106168145A (en) | Rotary stress balance height adjustment mechanism | |
| CN106246278A (en) | Intake and exhaust valve stroke synchronous regulation mechanism | |
| CN106050349A (en) | Four-direction movable type trapezoidal control device | |
| CN106285823A (en) | Engine with supercharger valve stroke continuous changeable device | |
| CN106194314A (en) | Intake and exhaust are with device cooperative control system | |
| CN106050348A (en) | Movable type slope dislocation adjusting mechanism | |
| CN102953781B (en) | Mechanical moving rod sliding system for adjusting engine valve lift | |
| CN102996197B (en) | Up-down moving device of movable rod | |
| CN207048830U (en) | Outer expelling water pump and interior purging door series control system | |
| CN105971685A (en) | Automatic following system of valve stroke | |
| CN102953780B (en) | Exhaust pressure control type camshaft device | |
| CN103233794A (en) | Valve adjusting mechanism with groove structure | |
| CN102966405B (en) | Stretching valve lift variable device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |
|
| WD01 | Invention patent application deemed withdrawn after publication |