CN205382996U - A jar engine camshaft device of stopping supple of gas or steam stops - Google Patents
A jar engine camshaft device of stopping supple of gas or steam stops Download PDFInfo
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- CN205382996U CN205382996U CN201620113744.9U CN201620113744U CN205382996U CN 205382996 U CN205382996 U CN 205382996U CN 201620113744 U CN201620113744 U CN 201620113744U CN 205382996 U CN205382996 U CN 205382996U
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Abstract
The utility model provides a jar engine camshaft device of stopping supple of gas or steam stops belongs to the engine technology field, the utility model discloses well hydraulic control system, chute sliding system and camshaft main part system place camshaft left side right part respectively in, wherein valve guide arm an upper end and cam a sliding connection, valve guide arm b upper end and cam b sliding connection, when the locating pin when spout a slides, valve guide arm c upper end and normal molded lines cam a sliding connection, valve guide arm d upper end and normal molded lines cam b sliding connection, when the locating pin when spout b slides, valve guide arm c upper end and base circle molded lines cam a sliding connection, valve guide arm d upper end and base circle molded lines cam b sliding connection, the utility model discloses can make and adopt the engine that stops the jar technique to realize that operation cylinder does not no longer take a breath, guarantee carminative excess air factor, compromise the discharge performance of stopping the jar engine. The utility model discloses control accuracy is high, and is excessive steady, and simple structure, make easy, with low costs, the facilitate promotion.
Description
Technical field
This utility model belongs to technical field of engines, is specifically related to a kind of cylinder deactivation engine and stops the supple of gas or steam a camshaft device.
Background technology
In orthodox car electromotor, Smaller load work time, throttle opening is little, and pumping loss is big；Taking a breath bad, the residual waste gas quantity in cylinder is big, and combustion stability and completeness are poor, cause that oil consumption worsens.If in multicylinder engine, small load condition adopt cylinder stopping technique, make PSD Partical Shut Down such as: four cylinder engine stops two cylinder workings, then for ensureing equal-wattage output, residue working cylinder is necessarily required to improve air inflow, and admission pressure raises, pumping loss reduces；Meanwhile, admission pressure improves also can make electromotor charging efficiency improve, and the residual waste gas quantity in residue cylinder reduces, and then improves the burning quality of gaseous mixture.After electromotor adopts cylinder stopping technique, total combustor surface also can be made to amass and to be greatly reduced, and then reduce heat transfer loss, be conducive to the improvement of the cycle of engine thermal efficiency and oil consumption.
But, when adopting electromotor to adopt cylinder stopping technique, iff interrupting the quit work oil spout of cylinder and igniting, then quit work cylinder still can constantly air inlet and aerofluxus, this will produce extremely severe negative effect by engine emission.Current automobile engine is mostly applied Three Way Catalytic Converter on Exhaust Gas Emission and is processed, Hydrocarbon, carbon monoxide and three kinds of emissions of nitrogen oxides can be had good transformation efficiency when triple effect catalytic converter is near 1 only in excess air coefficient simultaneously, if working cylinder does not continue air inlet, will cause that in engine exhaust manifold, the air capacity of go increases substantially, excess air coefficient is much larger than 1, the conversion efficiency of nox in exhaust is remarkably decreased, deterioration of emission.Thus, on the electromotor adopting cylinder stopping technique, design not working cylinder and stop valve mechanism and be necessary.
Summary of the invention
The purpose of this utility model is in that to provide a kind of cylinder deactivation engine to stop the supple of gas or steam a camshaft device, it is achieved during cylinder deactivation of engine, working cylinder is not no longer taken a breath, and improves the discharge performance of cylinder deactivation engine.
This utility model is by camshaft main body system I, skewed slot sliding system II and hydraulic control system III, valve guide rod a40, valve guide rod c41, valve guide rod d42 and valve guide rod b43 composition, camshaft main body system I, skewed slot sliding system II and hydraulic control system III use same camshaft 1, camshaft main body system I is placed in camshaft 1 right part, skewed slot sliding system II is placed in the middle part of camshaft 1, hydraulic control system III is placed in camshaft 1 left part, wherein valve guide rod a40 upper end and camshaft main body system I cam a19 are slidably connected, valve guide rod b43 upper end and camshaft main body system I cam b11 are slidably connected.
When in camshaft main body system I, alignment pin 18 slides at chute a5, the upper end of valve guide rod c41 is slidably connected with normal type line cam a8 in camshaft main body system I, and the upper end of valve guide rod d42 is slidably connected with normal type line cam b13 in camshaft main body system I.
When alignment pin 18 slides at chute b7, valve guide rod c41 upper end is slidably connected with basic circle profile line cam a9 in camshaft main body system I, and valve guide rod d42 upper end is slidably connected with basic circle profile line cam b12 in camshaft main body system I.
Skewed slot a27 in skewed slot sliding system II and skewed slot b25 groove body axial center point and the cam a19 in camshaft main body system I and the maximum protruding point of cam b11 and camshaft 1 axial line in the same plane in.
Described hub body system I is by camshaft 1, axle sleeve 2, gear 3, spacing convex shoulder a20, spacing convex shoulder b22, upper cover plate a21, lower cover a4, cam a19, cam b11, cam c14, cam d10, basic circle profile line cam a9, normal type line cam a8, basic circle profile line cam b12, normal type line cam b13, upper cover plate b17, lower cover b6, chute a5, chute b7, alignment pin 18, spring 15, bolt a16 forms, its bottom bracket axle 2 is connected with camshaft 1 right-hand member through spline, gear 3 is fixed in axle sleeve 2 right-hand member, axle sleeve 2 left end and upper cover plate a21 and lower cover b7 matched in clearance, upper cover plate a21 and lower cover a4 both sides are spacing by spacing convex shoulder a20 and spacing convex shoulder b22；Spacing convex shoulder a20 and spacing convex shoulder b22 is spacing is fixed in axle sleeve 2 outer surface.
Cam a19, cam c14, cam d10 and cam b11 are fixed in camshaft 1 center outer surface from right-to-left, and cam a19, cam c14, cam d10 are identical with the axial width of cam b11；Cam a19 and cam b11 is the monotype line cam that molded line is identical, and cam b11 relatively cam a19 differs 180 degree of layouts；Cam c14 is made up of basic circle profile line cam a9 and normal type line cam a8；The 1/2 of basic circle profile line cam a9 and normal type line cam a8 axial width respectively cam c14；Cam d10 is made up of basic circle profile line cam b12 and normal type line cam b13；The 1/2 of basic circle profile line cam b12 and normal type line cam b13 axial width respectively cam d10；Normal type line cam a8 is identical with cam a19 with the cam profile of normal type line cam b13, camshaft 1 outer surface respectively relatively cam a19 differ 90 degree and 270 degree layouts；Basic circle profile line cam a9 and basic circle profile line cam b12 cross section are circular, identical with the radius of normal type line cam a8 and normal type line cam b13 molded line basic circle；Being additionally provided with chute b7 and chute a5 about camshaft 1 outer surface of section between cam a19 and cam c14, the axial distance between two chutes is the 1/2 of cam a19 axial width.
Upper cover plate b17 hole is from inside to outside equipped with alignment pin 18 and spring 15, and spacing through bolt a16.
Under cylinder deactivation work state, alignment pin 18 contacts with chute b7, and under normal operating conditions, alignment pin 18 contacts with chute a5；Upper cover plate a21 and lower cover a4, upper cover plate b17 are connected each through bolt with lower cover b6；Lower cover a4 and lower cover b6 is fixed on engine cylinder lid.
Described skewed slot sliding system II is made up of slide bar 24, slide bar bearing 23, annular groove a26, annular groove b28, skewed slot a27, skewed slot b25；Slide bar 24 lower end is fixed in slide bar bearing 23；Slide bar bearing 23 is fixed on engine cylinder lid；Annular groove a26 is located at skewed slot a27 and skewed slot b25 side, and annular groove b28 is located at skewed slot a27 and skewed slot b25 opposite side, annular groove a26 and annular groove b28 all connect with skewed slot a27 and skewed slot b25, and groove depth is identical；The circumferential span of skewed slot a27 and skewed slot b25 place camshaft 1 is respectively less than 180 °, and oppositely oriented, length is identical, and identical with the angle of camshaft 1 axis；Sliding in cylinder deactivation work state drop shot 24 upper end in annular groove a26, slides in normal operation drop shot 24 upper end in annular groove b28；Slide bar 24 and annular groove a26 and annular groove b28 bottom land matched in clearance.
Described hydraulic control system III by lower cover c30, upper cover plate c37, annular stop a29, annular stop b31, bolt a39, bolt b36, rotary-type slide valve spool 32, camshaft configured left boss 35, catch 34, bolt b33, unload oilhole 38, hollow oil guide bolt a44, electromagnetic valve a45, oil pipe a46, engine lubricating oil high-pressure oil duct 47, hollow oil guide bolt b48, electromagnetic valve b49, oil pipe b50 form, wherein
Upper cover plate c37 and the lower cover c30 left and right sides have annular groove；Upper cover plate c37 centre position is provided with unloads oilhole 38；Upper cover plate c37 and lower cover c30 is affixed through bolt, and lower cover c30 is fixed on engine cylinder lid；Right side annular groove between annular stop a29 with upper cover plate c37 and lower cover c30 is connected；Annular stop a29 also sets up hole, location be connected with the bolt a39 in upper cover plate c37；Annular stop a29 and camshaft 1 matched in clearance；Left side annular groove between annular stop b31 with upper cover plate c37 and lower cover c30 is connected；Annular stop b31 is also provided with hole, location be connected with the bolt b36 in upper cover plate c37；Being provided with camshaft configured left boss 35 on the left of camshaft 1, both axial lines overlap；The located pin of rotary-type slide valve spool 32 is connected with camshaft configured left boss 35, and catch 34 is fixed in camshaft configured left boss 35 left end, rotary-type slide valve spool 32 outer ring and lower cover c30 and upper cover plate c37 inner ring matched in clearance through bolt b33；When rotary-type slide valve spool 32 moves to right-hand member, the cavity unloaded between oilhole 38 with annular stop b31 and rotary-type slide valve spool 32 connects, when rotary-type slide valve spool 32 moves to left end, the cavity unloaded between oilhole 38 with annular stop a29 and rotary-type slide valve spool 32 connects；When rotary-type slide valve spool 32 moves to low order end or high order end, all there is certain interval with annular stop a29 and annular stop b31.
Oil pipe a46 one end connects with engine lubricating oil high-pressure oil duct 47, and the other end connects with the cavity between annular stop a29 and rotary-type slide valve spool 32 through hollow oil guide bolt a44, is provided with electromagnetic valve a45 in the middle part of oil pipe a46.
Oil pipe b50 one end connects with engine lubricating oil high-pressure oil duct 47, and the oil pipe b50 other end connects with the cavity between annular stop b31 and rotary-type slide valve spool 32 through hollow oil guide bolt b48, is provided with electromagnetic valve b49 in the middle part of oil pipe b50.
The axial line of annular stop a29, annular stop b31 and rotary-type slide valve spool 32 overlaps with camshaft axial line.
Electromagnetic valve a45 and electromagnetic valve b49 is two-bit triplet electromagnetic valve.
According to specific decision principle in this utility model, if electromotor need to be changed into cylinder deactivation work state by normal operating conditions, electromagnetic valve b49 is energized, and controls engine lubricating oil high-pressure oil duct 47 mesohigh lubricating oil and flows through the cavity between electromagnetic valve b49, hollow oil guide bolt b48 entrance annular stop b31 and rotary-type slide valve spool 32 by oil pipe b50；Rotary-type slide valve spool 32 slides to the right under arranged on left and right sides differential pressure action, promotes camshaft 1 entirety to slide to the right, and slide bar 24 is fitted wall on the left of annular groove b28；When camshaft 1 left view turns clockwise, slide bar 24 enters skewed slot a27, and camshaft 1 moves to the right under skewed slot a27 guides；Camshaft 1 cavity unloaded between oilhole 38 with annular stop b31 with rotary-type slide valve spool 32 after specific range that moves right connects, and electromagnetic valve b49 closes；After skewed slot a27 entirety slips over slide bar 24, slide bar 24 enters annular groove a26, basic circle profile line cam a9 has slided into the axial location of original normal type line cam a8, basic circle profile line cam b12 has slided into the axial location of original normal type line cam b13, alignment pin 18 enters chute b7, and camshaft 1 axial location remains unchanged under the guiding of alignment pin 18；Valve guide rod c41 and valve guide rod d42 upper end respectively basic circle profile line cam a9 and basic circle profile line cam b12, the two valve enters a duty of stopping the supple of gas or steam.
If electromotor need to be normal operating conditions by cylinder deactivation work state transfer, electromagnetic valve a45 is energized, and controls engine lubricating oil high-pressure oil duct 47 mesohigh lubricating oil and flows through the cavity between electromagnetic valve a45, hollow oil guide bolt a44 entrance annular stop a29 and rotary-type slide valve spool 32 by oil pipe a46；Rotary-type slide valve spool 32 slides to the left under arranged on left and right sides differential pressure action, promotes wall and slide bar 24 on the right side of rotating ring groove a26 to fit；When camshaft 1 left view turns clockwise, slide bar 24 enters skewed slot b25, and camshaft 1 moves to the left under skewed slot b25 guides；The cavity that camshaft 1 unloads after being moved to the left specific range between oilhole 38 with annular stop b31 with rotary-type slide valve spool 32 also can connect, and electromagnetic valve a45 closes；After skewed slot b25 entirety slips over slide bar 24, normal type line cam a8 and normal type line cam b13 moves to left back original axial location, and slide bar 24 enters annular groove b28, and alignment pin 18 enters chute a5, under the guiding of alignment pin 18, camshaft 1 axial location remains unchanged, and two valves recover normal operating conditions.
If camshaft 1 left view rotates counterclockwise, slide bar 24 enters skewed slot b25, and camshaft 1 moves to the right under skewed slot b25 guides；Slide bar 24 enters skewed slot a27, and camshaft 1 moves to the left under skewed slot a27 guides.
Compared with prior art, the beneficial effects of the utility model are in that:
This utility model can make the electromotor of employing cylinder stopping technique, it is achieved the valve of working cylinder does not quit work simultaneously, and working cylinder is not no longer taken a breath, it is ensured that the excess air coefficient of aerofluxus, takes into account the discharge performance of cylinder deactivation engine.
This utility model passes through skewed slot sliding system, controls moving axially of camshaft, and control accuracy is high, and cam shaft is fast to translational speed, and cam axle 1 circle can realize cylinder deactivation of engine working condition and normal operation condition valve operation State Transferring；Meanwhile, cam shaft can be also prevented effectively to there is rigid collision between sliding process cam and valve, excessively steadily.
This utility model simple in construction, easily manufactured, cost is low, it is easy to promotes.
Accompanying drawing explanation
Fig. 1 is a camshaft device schematic diagram of stopping the supple of gas or steam under normal operating conditions
Fig. 2 is Section A-A left view
Fig. 3 is section B-B left view
Fig. 4 is C-C cross section left view
Fig. 5 is D-D cross section left view
Fig. 6 is E-E cross section left view
Fig. 7 is skewed slot sliding system II top view
Fig. 8 is skewed slot sliding system II upward view
Fig. 9 is F-F cross section left view
Figure 10 is G-G cross section left view
Figure 11 be camshaft 1 right side depending on turning clockwise time chute 27 centre position move to right the schematic diagram above slide bar 23
Figure 12 be camshaft 1 right side depending on turning clockwise time chute 27 integral right move past the schematic diagram of slide bar 23
Figure 13 be camshaft 1 right side depending on turning clockwise time camshaft 1 be moved to the left the schematic diagram above slide bar 23
nullⅡ subject system. Among them: Ⅰ. Camshaft Ⅲ chute sliding system. The hydraulic control system (1) the camshaft 2. Shaft sleeve (3) gear 4. Cover under the a5. The chute a6. Under cover b7. The chute b8. Normal type line a9 CAM. CAM base circle line. A10 d11 CAM. CAM b12. The CAM base circle line bl3. Normal type CAM b14. CAM c15. 16. Spring bolt a17. On the cover plate b18. 19. The locating pin CAM a20. Limit convex shoulder a21. The cover plate on the a22. Limit convex shoulder b23. 24. The slider bearing slider 25. The chute b26. The ring groove a27. The chute a28. The ring groove b-29. The annular gear block a30. Under the cover plate c31 microcomputer. The annular gear block b32. The rotary slide valve valve core 33. Bolt b34. Catch 35 camshaft on the left side of the 36 convex positioning bolt b37. On cover plate c38. 39. The unloading hole positioning bolt a40. The valve guide bar room a41. The valve guide c42. The valve guide d43. The valve guide b44. Hollow bolt guide oil a45. Electromagnetic valve a46. Tubing a47. The engine oil pressure oil duct 48. The hollow bolt guide oil b49. Electromagnetic valve b50. Tubing b
Detailed description of the invention
Below in conjunction with Fig. 1-Figure 13, this utility model is described in detail.
As shown in Figure 1, this utility model is by camshaft main body system I, skewed slot sliding system II and hydraulic control system III, valve guide rod a40, valve guide rod c41, valve guide rod d42 and valve guide rod b43 composition, camshaft main body system I, skewed slot sliding system II and hydraulic control system III use same camshaft 1, camshaft main body system I is placed in camshaft 1 right part, skewed slot sliding system II is placed in the middle part of camshaft 1, hydraulic control system III is placed in camshaft 1 left part, wherein valve guide rod a40 upper end and camshaft main body system I cam a19 are slidably connected, valve guide rod b43 upper end and camshaft main body system I cam b11 are slidably connected.
When in camshaft main body system I, alignment pin 18 slides at chute a5, the upper end of valve guide rod c41 is slidably connected with normal type line cam a8 in camshaft main body system I, and the upper end of valve guide rod d42 is slidably connected with normal type line cam b13 in camshaft main body system I.
When alignment pin 18 slides at chute b7, valve guide rod c41 upper end is slidably connected with basic circle profile line cam a9 in camshaft main body system I, and valve guide rod d42 upper end is slidably connected with basic circle profile line cam b12 in camshaft main body system I.
Described camshaft main body system I mainly includes camshaft 1, it is placed in the axle sleeve 2 of camshaft 1 right-hand member, it is fixed in the gear 3 on axle sleeve 2, it is fixed in the cam a19 on camshaft 1, cam b11, cam c14, cam d10, it is located at the upper cover plate a21 on axle sleeve 2, lower cover a4, and is located at the upper cover plate b17 on camshaft 1, lower cover b6.
Set spline in described axle sleeve 2, be connected by spline with cam 1 left end；Be additionally provided with spacing convex shoulder a20 and spacing convex shoulder b22, described upper cover plate a21 and lower cover a4 at axle sleeve 2 and be placed between spacing convex shoulder a20 and spacing convex shoulder b22, axle sleeve 2 and gear 3 are moved axially carry out spacing.
Being additionally provided with chute a5 and chute b7 on described camshaft 1, the spacing between two chute longitudinal center lines is the 1/2 of cam a19 axial width.Setting alignment pin 18 in described upper cover plate b17, its one end is connected with spring 15, and is undertaken spacing by bolt a16；During engine work, described alignment pin 18 is connected with chute a5, and during cylinder deactivation work, alignment pin 18 is connected with chute b7, it is ensured that the camshaft axial location when not carrying out engine work state with cylinder deactivation work condition conversion remains unchanged.
Described upper cover plate a21 is affixed by bolt with lower cover a4, upper cover plate b17 and lower cover b6, and described lower cover a4 and lower cover b6 is fixed on engine cylinder lid.
Described upper cover plate a21 and lower cover a4 and axle sleeve 2 matched in clearance, it is ensured that axle sleeve 2 can be freely rotatable；Described upper cover plate b17 and lower cover b6 and camshaft 1 also matched in clearance, it is ensured that camshaft 1 can be freely rotatable.
As Figure 1-Figure 5, described cam a19, cam b11, cam c14 are identical with cam d10 axial width；Described cam a19 and cam b11 is monotype line cam, and cam profile is identical, and cam b11 relatively cam a19 differs 180 ° of corners and arranges.
Described cam c14 is made up of basic circle profile line cam a9 and normal type line cam a8；Basic circle profile line cam a9 is identical with normal type line cam a8 axial width, for the 1/2 of cam c14；Described cam d10 is made up of basic circle profile line cam b12 and normal type line cam b13；The 1/2 of basic circle profile line cam b12 and normal type line cam b13 axial width respectively cam d10.
Described normal type line cam a8 is all identical with cam a19 with the cam profile of normal type line cam b13, and relatively cam a19 differs 90 ° and 270 ° of corners layouts respectively；Described basic circle profile line cam a9 and basic circle profile line cam b12 cross section are circular, identical with the radius of described normal type line cam a8 and normal type line cam b13 molded line basic circle.Under cylinder deactivation of engine duty, basic circle profile line cam a9 and basic circle profile line cam b12 is moved respectively to valve guide rod c41 and valve guide rod d42 top, and two valves are not then turned on, and quit work；Under engine work state, normal type line cam a8 and normal type line cam b13 is moved respectively to valve guide rod c41 and valve guide rod d42 top, and two valves recover normally-open and close.
As shown in Fig. 1, Fig. 6-Fig. 8, described skewed slot sliding system II mainly includes and the vertically disposed slide bar 24 of camshaft, the slide bar bearing 23 being placed on engine cylinder lid, the annular groove a26 being located on camshaft outer surface, annular groove b28, skewed slot a27 and skewed slot b25.
Described slide bar 24 is fixed in slide bar bearing 23, slide bar 24 corresponding annular groove b28 during engine work, slide bar 24 corresponding annular groove a26 during cylinder deactivation work, and there is 0.1-0.5mm gap with annular groove a26 and annular groove b28 bottom land.
Described annular groove a26 and annular groove b28 is respectively arranged in skewed slot a27 and skewed slot b25 both sides, and is connected with skewed slot a27 and skewed slot b25 respectively, and groove depth is identical, and two annular groove centrage axial spacings are the 1/2 of cam a19.
Described skewed slot a27 and skewed slot b25 camshaft 1 circumference span are respectively less than 180 °, and identical with the angle of camshaft 1 axis, length is identical, oppositely oriented, it is ensured that can realize moving axially back and forth of camshaft 1, and it is consistent to ensure that camshaft 1 moves back and forth distance.
Described skewed slot a27 and skewed slot b25 axial length can make camshaft 1 move axially the 1/2 of cam a19 axial width, two skewed slot groove body axial centre and the maximum protrusion place of cam a19 and cam b11 and camshaft 1 axial line in the same plane in, guarantee valve guide rod c41 upper end basic circle profile line cam a9 and normal type line cam a8, valve guide rod d42 upper end basic circle profile line cam a12 all carries out moving axially of camshaft 1 when the base circle portion of normal type line cam a8 and normal type line cam b13 forwards corresponding valve upper end to normal type line cam b13, namely guarantee that valve guide rod c41 and valve guide rod d42 does not have to carry out when not being in close contact the cam conversion of upper end with cam a19 and cam b11, avoid rigid collision.
As shown in Fig. 1, Fig. 9, Figure 10, hydraulic control system III main by lower cover c30, upper cover plate c37, annular stop a29, annular stop b31, bolt a39, bolt b36, rotary-type slide valve spool 32, camshaft configured left boss 35, catch 34, bolt b33, unload oilhole 38, hollow oil guide bolt a44, electromagnetic valve a45, oil pipe a46, engine lubricating oil high-pressure oil duct 47, hollow oil guide bolt b48, electromagnetic valve b49, oil pipe b50 are constituted.
Described upper cover plate c37 and the lower cover c30 left and right sides have annular groove, and centre position is provided with unloads oilhole 38；Described upper cover plate c37 and lower cover c30 is affixed by bolt, and lower cover c30 is fixed on engine cylinder lid.
Described annular stop a29 is closely placed in the right side annular groove between upper cover plate c37 and lower cover c30, and the bolt a39 being installed in upper cover plate c37 gos deep into positioning in hole on it, it is ensured that affixed between annular stop a29 and upper cover plate c37 and lower cover c30.
In described annular stop b31 also close installation left side annular groove between upper cover plate c37 and lower cover c30；Annular stop b31 is also provided with hole, location be connected with the bolt b36 in upper cover plate c37, it is ensured that annular stop b31 is fixed within upper cover plate c37 and lower cover c30.
Described rotary-type slide valve spool 32 is installed on camshaft left end boss 35, one end is connected with bottom camshaft left end boss 35, and it is provided with alignment pin location, one end and catch 34 are in close contact, by the bolt b33 threadeded with boss guarantee catch 34 and rotary-type slide valve spool 32 with camshaft 1 in the same direction, synchronized rotation.
Equal matched in clearance between described annular stop a29 and camshaft 1, annular stop b31 and rotary-type slide valve spool 32, rotary-type slide valve spool 32 and lower cover c30 and upper cover plate c37, it is ensured that camshaft and rotary-type slide valve spool 32 can be freely rotatable.
The described axial centre position of upper cover plate c37 is provided with unloads oilhole 38, and the cavity unloaded when rotary-type slide valve spool 32 moves to right-hand member between oilhole 38 and annular stop b31 with rotary-type slide valve spool 32 is connected, and carries out emptying；The cavity unloaded when rotary-type slide valve spool 32 moves to left end between oilhole 38 and annular stop a29 with rotary-type slide valve spool 32 is connected, and carries out emptying.
Described engine lubricating oil high-pressure oil duct 47, oil pipe a46, electromagnetic valve a45, cavity between hollow oil guide bolt a44 and annular stop a29 and rotary-type slide valve spool 32 are connected in series, and electromagnetic valve a45 is controlled entering the extreme pressure lubricant of cavity between annular stop a29 and rotary-type slide valve spool 32.
Described engine lubricating oil high-pressure oil duct 47, oil pipe b50, electromagnetic valve b49, between hollow oil guide bolt b48 and annular stop b31 with rotary-type slide valve spool 32, cavity is same is connected in series, and electromagnetic valve b49 is controlled entering the extreme pressure lubricant of cavity between annular stop a29 and rotary-type slide valve spool 32.
Described electromagnetic valve a45 and electromagnetic valve b49 is two-bit triplet electromagnetic valve, when electromagnetic valve a45 is energized, turns between engine lubricating oil high-pressure oil duct 47-oil pipe a46-hollow oil guide bolt 44；During electromagnetic valve b49 energising, turn between engine lubricating oil high-pressure oil duct 47-oil pipe b50-hollow oil guide bolt b48.When electromagnetic valve a45 power-off, the cavity between annular stop a29 with rotary-type slide valve spool 32 is communicated with electromotor low pressure drainback passage by hollow oil guide bolt a44 and oil pipe a46；When electromagnetic valve b49 power-off, the cavity between annular stop b31 with rotary-type slide valve spool 32 is communicated with electromotor low pressure drainback passage by hollow oil guide bolt b48 and oil pipe b50.
This electromotor is stopped the supple of gas or steam door control method, above-mentioned controlling device for doors of stopping the supple of gas or steam is utilized to realize, particularly as follows: according to specific judgment principle, during engine low load, electromagnetic valve b49 opens, and engine lubricating oil high-pressure oil duct 47 mesohigh lubricating oil flows through electromagnetic valve b49, hollow oil guide bolt b48 by oil pipe b50 and enters the cavity between annular stop b31 and rotary-type slide valve spool 32；Rotary-type slide valve spool 32 slides to the right under differential pressure action, drives camshaft 1 to slide to the right, and slide bar 24 is fitted wall on the left of annular groove b28；When camshaft 1 turns clockwise, skewed slot a27 can make slide bar 24 enter in its groove, and camshaft 1 moves to the right under skewed slot a27 guides and controls；The camshaft cavity unloaded between oilhole 38 with annular stop b31 with rotary-type slide valve spool 32 after specific range that moves right connects, and electromagnetic valve b49 closes, and the hydraulic oil in cavity between annular stop b31 and rotary-type slide valve spool 32 is by pressure release；Under the guiding of skewed slot a27, camshaft may proceed to move to the right, after skewed slot a27 entirety slips over slide bar 24, slide bar 24 enters annular groove a26, alignment pin 18 enters chute b7, basic circle profile line cam a9 has slided into the axial location of original normal type line cam a8, and basic circle profile line cam b12 has slided into the axial location of original normal type line cam a13；Valve guide rod c41 and valve guide rod d42 upper end are basic circle profile line cam, quit work.
When the big load of electromotor, electromagnetic valve a45 opens, and engine lubricating oil high-pressure oil duct 47 mesohigh lubricating oil flows through electromagnetic valve a45, hollow oil guide bolt a44 by oil pipe a46 and enters the cavity between annular stop a29 and rotary-type slide valve spool 32；Rotary-type slide valve spool 32 slides to the left under hydraulic pressure difference control, drives wall and slide bar 24 on the right side of annular groove a26 to fit；When camshaft 1 turns clockwise, slide bar 24 enters skewed slot b25, and camshaft 1 moves to the left under skewed slot b25 guides；The cavity that camshaft 1 unloads after being moved to the left specific range between oilhole 38 with annular stop a29 with rotary-type slide valve spool 32 also can connect, and electromagnetic valve a45 closes；After skewed slot b25 entirety slips over slide bar 24, slide bar 24 enters annular groove b28, and alignment pin 18 enters chute a5, normal type line cam a8 and normal type line cam b13 and moves to left back original axial location.
If camshaft 1 left view rotates counterclockwise, skewed slot b25 drive cam axle 1 moves to the right；Skewed slot a27 drive cam axle 1 moves to the left.
Claims (4)
- null1. a cylinder deactivation engine is stopped the supple of gas or steam a camshaft device，It is characterized in that by camshaft main body system (I)、Skewed slot sliding system (II) and hydraulic control system (III)、Valve guide rod a (40)、Valve guide rod c (41)、Valve guide rod d (42) and valve guide rod b (43) composition，Camshaft main body system (I)、Skewed slot sliding system (II) and hydraulic control system (III) use same camshaft (1)，Camshaft main body system (I) is placed in camshaft (1) right part，Skewed slot sliding system (II) is placed in camshaft (1) middle part，Hydraulic control system (III) is placed in camshaft (1) left part，Wherein valve guide rod a (40) upper end and camshaft main body system (I) cam a (19) are slidably connected，Valve guide rod b (43) upper end and camshaft main body system (I) cam b (11) are slidably connected；When in camshaft main body system (I), alignment pin (18) slides at chute a (5), the upper end of valve guide rod c (41) is slidably connected with normal type line cam a (8) in camshaft main body system (I), and the upper end of valve guide rod d (42) is slidably connected with normal type line cam b (13) in camshaft main body system (I)；When alignment pin (18) slides at chute b (7), valve guide rod c (41) upper end is slidably connected with basic circle profile line cam a (9) in camshaft main body system (I), and valve guide rod d (42) upper end is slidably connected with basic circle profile line cam b (12) in camshaft main body system (I)；Skewed slot a (27) in skewed slot sliding system (II) and skewed slot b (25) groove body axial center point and the cam a (19) in camshaft main body system (I) and cam b (11) maximum protruding point and camshaft (1) axial line in the same plane in.
- null2. stop the supple of gas or steam a camshaft device by a kind of cylinder deactivation engine described in claim 1，It is characterized in that described hub body system I is by camshaft (1)、Axle sleeve (2)、Gear (3)、Spacing convex shoulder a (20)、Spacing convex shoulder b (22)、Upper cover plate a (21)、Lower cover a (4)、Cam a (19)、Cam b (11)、Cam c (14)、Cam d (10)、Basic circle profile line cam a (9)、Normal type line cam a (8)、Basic circle profile line cam b (12)、Normal type line cam b (13)、Upper cover plate b (17)、Lower cover b (6)、Chute a (5)、Chute b (7)、Alignment pin (18)、Spring (15)、Bolt a (16) forms，Its bottom bracket axle (2) is connected with camshaft (1) right-hand member through spline，Gear (3) is fixed in axle sleeve (2) right-hand member，Axle sleeve (2) left end and upper cover plate a (21) and lower cover b (6) matched in clearance，Upper cover plate a (21) and lower cover a (4) both sides are spacing by spacing convex shoulder a (20) and spacing convex shoulder b (22)；Spacing convex shoulder a (20) and spacing convex shoulder b (22) is spacing is fixed in axle sleeve (2) outer surface；Cam a (19), cam c (14), cam d (10) and cam b (11) are fixed in camshaft (1) center outer surface from right-to-left, cam a (19), cam c (14), cam d (10) and cam b (11) axial width identical；Cam a (19) and cam b (11) is the identical monotype line cam of molded line, and cam b (11) relatively cam a (19) differs 180 degree of layouts；Cam c (14) is made up of basic circle profile line cam a (9) and normal type line cam a (8)；The 1/2 of basic circle profile line cam a (9) and normal type line cam a (8) axial width respectively cam c (14)；Cam d (10) is made up of basic circle profile line cam b (12) and normal type line cam b (13)；The 1/2 of basic circle profile line cam b (12) and normal type line cam b (13) axial width respectively cam d (10)；Normal type line cam a (8) and the cam profile of normal type line cam b (13) are identical with cam a (19), camshaft (1) outer surface respectively relatively cam a (19) differ 90 degree and 270 degree layouts；Basic circle profile line cam a (9) and basic circle profile line cam b (12) cross section are circular, identical with the radius of normal type line cam a (8) and normal type line cam b (13) molded line basic circle；Being additionally provided with chute b (7) and chute a (5) between cam a (19) and cam c (14) about camshaft (1) outer surface of section, the axial distance between two chutes is the 1/2 of cam a (19) axial width；Upper cover plate b (17) hole is from inside to outside equipped with alignment pin (18) and spring (15), and spacing through bolt a (16)；Under cylinder deactivation work state, alignment pin (18) contacts with chute b (7), and under normal operating conditions, alignment pin (18) contacts with chute a (5)；Upper cover plate a (21) and lower cover a (4), upper cover plate b (17) and lower cover b (6) are connected each through bolt；Lower cover a (4) and lower cover b (6) is fixed on engine cylinder lid.
- 3. stop the supple of gas or steam a camshaft device by a kind of cylinder deactivation engine described in claim 1, it is characterised in that described skewed slot sliding system (II) is made up of slide bar (24), slide bar bearing (23), annular groove a (26), annular groove b (28), skewed slot a (27), skewed slot b (25)；Slide bar (24) lower end is fixed in slide bar bearing (23)；Slide bar bearing (23) is fixed on engine cylinder lid；Annular groove a (26) is located at skewed slot a (27) and skewed slot b (25) side, annular groove b (28) is located at skewed slot a (27) and skewed slot b (25) opposite side, annular groove a (26) and annular groove b (28) all connects with skewed slot a (27) and skewed slot b (25), and groove depth is identical；The circumferential span at skewed slot a (27) and skewed slot b (25) place camshaft (1) is respectively less than 180 °, and oppositely oriented, length is identical, and identical with the angle of camshaft (1) axis；Sliding in cylinder deactivation work state drop shot (24) upper end in annular groove a (26), slides in normal operation drop shot (24) upper end in annular groove b (28)；Slide bar (24) and annular groove a (26) and annular groove b (28) bottom land matched in clearance.
- 4. stop the supple of gas or steam a camshaft device by a kind of cylinder deactivation engine described in claim 1, it is characterized in that described hydraulic control system (III) is by lower cover c (30), upper cover plate c (37), annular stop a (29), annular stop b (31), bolt a (39), bolt b (36), rotary-type slide valve spool (32), camshaft configured left boss (35), catch (34), bolt b (33), unload oilhole (38), hollow oil guide bolt a (44), electromagnetic valve a (45), oil pipe a (46), engine lubricating oil high-pressure oil duct (47), hollow oil guide bolt b (48), electromagnetic valve b (49), oil pipe b (50) forms, wherein upper cover plate c (37) and lower cover c (30) left and right sides have annular groove；Upper cover plate c (37) centre position is provided with unloads oilhole (38)；Upper cover plate c (37) and lower cover c (30) is affixed through bolt, and lower cover c (30) is fixed on engine cylinder lid；Right side annular groove between annular stop a (29) and upper cover plate c (37) and lower cover c (30) is connected；Annular stop a (29) also sets up hole, location be connected with the bolt a (39) in upper cover plate c (37)；Annular stop a (29) and camshaft (1) matched in clearance；Left side annular groove between annular stop b (31) and upper cover plate c (37) and lower cover c (30) is connected；Annular stop b (31) is also provided with hole, location be connected with the bolt b (36) in upper cover plate c (37)；Camshaft (1) left side is provided with camshaft configured left boss (35), and both axial lines overlap；Rotary-type slide valve spool (32) located pin is connected with camshaft configured left boss (35), catch (34) is fixed in camshaft configured left boss (35) left end, rotary-type slide valve spool (32) outer ring and lower cover c (30) and upper cover plate c (37) inner ring matched in clearance through bolt b (33)；When rotary-type slide valve spool (32) moves to right-hand member, the cavity unloaded between oilhole (38) with annular stop b (31) and rotary-type slide valve spool (32) connects, when rotary-type slide valve spool (32) moves to left end, the cavity unloaded between oilhole (38) with annular stop a (29) and rotary-type slide valve spool (32) connects；When rotary-type slide valve spool (32) moves to low order end or high order end, all there is certain interval with annular stop a (29) and annular stop b (31)；Oil pipe a (46) one end connects with engine lubricating oil high-pressure oil duct (47), other end cavity between hollow oil guide bolt a (44) with annular stop a (29) and rotary-type slide valve spool (32) connects, and oil pipe a (46) middle part is provided with electromagnetic valve a (45)；Oil pipe b (50) one end connects with engine lubricating oil high-pressure oil duct (47), oil pipe b (50) other end cavity between hollow oil guide bolt b (48) with annular stop b (31) and rotary-type slide valve spool (32) connects, and oil pipe b (50) middle part is provided with electromagnetic valve b (49)；The axial line of annular stop a (29), annular stop b (31) and rotary-type slide valve spool (32) overlaps with camshaft axial line；Electromagnetic valve a (45) and electromagnetic valve b (49) is two-bit triplet electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113744.9U CN205382996U (en) | 2016-02-04 | 2016-02-04 | A jar engine camshaft device of stopping supple of gas or steam stops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113744.9U CN205382996U (en) | 2016-02-04 | 2016-02-04 | A jar engine camshaft device of stopping supple of gas or steam stops |
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| Publication Number | Publication Date |
|---|---|
| CN205382996U true CN205382996U (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620113744.9U Withdrawn - After Issue CN205382996U (en) | 2016-02-04 | 2016-02-04 | A jar engine camshaft device of stopping supple of gas or steam stops |
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| Country | Link |
|---|---|
| CN (1) | CN205382996U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604708A (en) * | 2016-02-04 | 2016-05-25 | 吉林大学 | Cylinder deactivation engine valve stop camshaft device |
| CN107869403A (en) * | 2016-09-28 | 2018-04-03 | 福特环球技术公司 | The cylinder cover of device is disabled with valve |
| CN108843457A (en) * | 2018-06-27 | 2018-11-20 | 北京理工大学 | State control system in a kind of variable-displacement engine cylinder |
-
2016
- 2016-02-04 CN CN201620113744.9U patent/CN205382996U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604708A (en) * | 2016-02-04 | 2016-05-25 | 吉林大学 | Cylinder deactivation engine valve stop camshaft device |
| CN105604708B (en) * | 2016-02-04 | 2018-02-09 | 吉林大学 | A kind of cylinder deactivation engine is stopped the supple of gas or steam a camshaft device |
| CN107869403A (en) * | 2016-09-28 | 2018-04-03 | 福特环球技术公司 | The cylinder cover of device is disabled with valve |
| CN107869403B (en) * | 2016-09-28 | 2022-06-17 | 福特环球技术公司 | Cylinder head with valve deactivation device |
| CN108843457A (en) * | 2018-06-27 | 2018-11-20 | 北京理工大学 | State control system in a kind of variable-displacement engine cylinder |
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Granted publication date: 20160713 Effective date of abandoning: 20180209 |