CN208057247U

CN208057247U - Automobile slide engine Load Relief System

Info

Publication number: CN208057247U
Application number: CN201620421128.XU
Authority: CN
Inventors: 莫嘉林
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-06
Filing date: 2016-05-06
Publication date: 2018-11-06
Anticipated expiration: 2026-05-06

Abstract

The utility model is a kind of automobile slide engine Load Relief System；The system can be in the case where not changing normal driving custom, automobile switch to hang shelves slide when, engine can be made to switch to two-stroke cycle by four-stroke cycle automatically, the engine rotated by driving wheel traction is set to shed the load of air in piston compressing cylinder, when when automobile is slided from extension shelves and switching to accelerate or brake, engine can switch to four-stroke cycle by two-stroke cycle automatically again.

Description

Automobile slide engine Load Relief System

One, technical fields

The utility model is related to a kind of automobile slide engine Load Relief Systems, it can be such that automobile has more when band shelves slide Low engine running resistance, to make automobile have longer safe coasting distance.

Background technology

Currently, in well known motoring condition, especially truck, sliding state account for automobile total run time or 30% or more of mileage travelled, the method for reducing engine drag in sliding state have：Idling neutral gear slides, forced idling band Shelves slide, and close engine neutral gear and slide, and close throw the engine into gear and slide, and close engine band shelves stepping on clutch and slide.

Various sliding modes all respectively have unsatisfactory place：

Idling neutral position sliding, engine operate under idling, this method coasting distance is long, and oil-saving effect is preferable, but period is sent out Though motivation still idling oil consumption starts to need to carry out operation out of supply, terminates to carry out the operation that files, electricity generation efficiency, efficiency of air conditioner Maintain idling area.

Forced idling band shelves slide, and no requirement (NR) in operation, braking reliability is constant, but coasting distance is short, fuel-economizing unobvious.

It closes engine neutral gear to slide, is that gear lever is put into neutral gear position, by engine misses, when that need not slide Engine is restarted, gear lever is pushed into gear appropriate.This pattern slided can save idle oil consumption when sliding, section Oily effect is good.The disadvantage is that：It is troublesome in poeration, vehicle braking reliability is reduced, is not generated electricity, without air-conditioning.

It closes engine band shelves to slide, manual control engine to open, guard's valve, it is troublesome in poeration, and coasting distance is short, section Oily unobvious.

It closes engine band shelves stepping on clutch pedal to slide, reasonable match system is made to disengage, shift gear invariant position will Engine misses slide, and open ignition switch therebetween, when not sliding, while lifting clutch pedal and can continue to travel.This Method oil-saving effect is good, easy to use, and disadvantage is the increase in labor intensity, and larger to being worn from release bearing containing device, increases Failure rate is not generated electricity, without air-conditioning during sliding to increasing automobilism cost.

Two, invention contents

In order to overcome many disadvantages of the existing present automobile in sliding state, the utility model to provide a kind of automobile slide Engine Load Relief System, when which can make automobile enter band shelves sliding state, automobile engine circulation pattern capable of automatic changing, By original：Air-breathing, compression, burning splash rise, the four-stroke cycle Mode change that is vented at：Air-breathing, exhaust, air-breathing, exhaust Two-stroke.

The technical solution adopted in the utility model is：By cylinder head, camshaft, the first tappet, the second tappet, the first tappet Conduit, the second tappet rod guide, inlet valve rocker become cycle rocking arm, retaining spring, rocker arm shaft, timing piston, synchronous piston, resistance It keeps off piston, resetting spring, machine oil pipe, pressure maintaining valve, solenoid valve, electronic oil pump, become circulating controling circuit composition；Have on camshaft One admission cam, a change cycle cam；First tappet is installed, the first tappet is worn between admission cam and inlet valve rocker Cross the first tappet rod guide；Inlet valve rocker is equipped with positioning plane and synchronous piston hole, synchronous piston hole are connected to oil duct, oil duct junction It is opposite with the oil hole on hollow oil duct, timing piston and synchronous piston are installed in synchronous piston hole；Become on cycle rocking arm and sets There is positioning to float platform and blocking piston hole, stops and blocking piston and resetting spring is installed in piston hole；Inlet valve rocker becomes cycle Rocking arm is all mounted on hollow rocker arm shaft, and installation, which is matched, is combined into clearance fit；Admission cam drives in engine induction stroke One tappet is to push exhaust valve rocker to open inlet valve.Become cycle cam driven in engine original compression stroke the second tappet with It pushes and becomes cycle rocking arm, stop the second tappet of driving when former compression stroke ends；The second tappet is driven in former expansion stroke Become cycle rocking arm and the second tappet of stopping driving when former expansion stroke is nearly ended to push.

When engine is in power output, the admission cam in camshaft is by driving the first tappet to push inlet valve Rocker arms roll makes inlet valve be opened in induction stroke；In compression stroke and expansion stroke, the change in camshaft recycles cam It drives the second tappet to push away and recycles rocking arm with dynamic become and make idle freely to shake.

Automobile enter band shelves slide when, electromagnetism valve closure drain tap, electronic oil pump in time by machine oil be pumped into oil pipe, Enter the blocking piston that synchronous piston hole pushes timing piston, becomes in cycle rocking arm to push synchronous piston to enter by oil duct In hole, make inlet valve rocker and become cycle rocking arm be connected, to both can with admission cam drive the first tappet push, make into Valve is opened in suction stroke；Also can covariant cycle the second tappet of actuated by cams push, so that inlet valve is opened in former compression stroke It opens, cylinder air is discharged outside cylinder, and close inlet valve when former compression stroke ends after beginning, and is swollen in the original of piston Inlet valve is opened when swollen stroke, and closes inlet valve when former expansion stroke is ended.

The utility model has the advantages that automobile belt shelves make engine shed the negative of air in piston compression cylinder when sliding Lotus.

Four, are illustrated

The utility model is described in further detail below in conjunction with the accompanying drawings.

Fig. 1 is that the camshaft of the utility model and the contra of each cam are set and corresponding direction of rotation schematic diagram.

Fig. 2 is each camshaft of the utility model and the correspondence schematic diagram of each tappet.

Fig. 3 is that each tappet of the utility model corresponds to each rocking arm position and rocking arm and the signal of rocker arm shaft part section position relationship Figure.

Fig. 4 is the relative position relation schematic diagram of the inlet valve rocker and valve, the first tappet and admission cam of the present invention.

Fig. 5 is that the change cycle rocking arm of the utility model and the corresponding position relationship of the second tappet and change cycle cam are illustrated Figure.

Fig. 6 is the movable control system schematic diagram of synchronous piston of the utility model.

In figure：1. camshaft, 2. admission cams, 3. become cycle cam, 4. first tappets, 5. second tappets, 6. inlet valves Rocking arm, 7. become cycle rocking arm, and 8. rocker arm shafts, 9. oil holes, 10. timing pistons, 11. synchronous pistons, 12. hollow oil ducts, 13 is fixed Position is floatd platform, 14 blocking pistons, 15. resetting springs, 17. cylinder head, and 18, synchronous piston hole, 19. retaining springs, 20. positioning are flat Face, 21. blocking piston holes, 22. valve core reseting springs, 23. electromagnetic valve coils, 24. change circulating controling circuits, 25. solenoid valves, 26. spool, 27. machine oil pipes, 28. oil ducts, 29. pressure maintaining valves, 30. electronic oil pumps, 31. first tappet rod guides, 32. second endure Bar conduit.

Five, specific implementation modes

Automobile slide engine Load Relief System is by cylinder head (17), camshaft (1), the first tappet (4), the second tappet (5), the first tappet rod guide (31), the second tappet rod guide (32), inlet valve rocker (6) become cycle rocking arm (7), retaining spring (19), rocker arm shaft (8), timing piston (10), synchronous piston (18), blocking piston (14), resetting spring (15), machine oil pipe (27), pressure maintaining valve (29), solenoid valve (25), electronic oil pump (30), change circulating controling circuit (24) form.

As shown in Figure 1, cam direction of rotation n, camshaft (1) upper air cam (2) and the opposite position for becoming cycle cam (3) Set relationship.

As shown in Fig. 2, admission cam (2) the first tappet of corresponding driving (4), change cycle cam (3) corresponds to driving second and endures Bar (5).

As shown in figure 3, in induction stroke, the first tappet (4) pushes inlet valve rocker (6)；When compression stroke, second endures Bar (5), which pushes, becomes cycle rocking arm (7)；Inlet valve rocker (6) becomes cycle rocking arm (7) all on rocker arm shaft (8), and installation is matched It is combined into clearance fit；Be provided with oil hole (9) on the hollow oil duct (12) of rocker arm shaft (8), and with the oil duct in inlet valve rocker (6) (28) mouth is opposite, and oil duct (28) is communicated with synchronous piston hole (18)；In synchronous piston hole (18) equipped with timing piston (10) and Synchronous piston (11), inlet valve rocker (6) are equipped with positioning plane (20)；Resistance shelves piston hole is not entered into synchronous piston (11) (21) when, and become cycle rocking arm (7) and in by the second tappet (5) push in the state of, positioning plane (20) be all with The positioning become in cycle rocking arm (7) is floatd platform (13) contact, to make synchronous piston hole (18) and become the resistance shelves in cycle rocking arm (7) The center line of piston hole (21) overlaps；Stop in piston hole (21) equipped with blocking piston (14) and resetting spring (15).

As shown in figure 4, the effect of admission cam (2) is：In induction stroke by driving the first tappet (4), first endures Bar (4) passes through the first tappet rod guide (31) that inlet valve rocker (6) is pushed to open inlet valve；Inlet valve rocker (6) is equipped with positioning Plane (20), synchronous piston hole (18), oil duct (28).

As shown in figure 5, when the second tappet (5) does not push change cycle rocking arm (7), the positioning in cylinder head (17) Spring (19) will become cycle rocking arm (7) positioning float platform (13) pop up be allowed to position plane (20) contact, to realize The center line coincidence in synchronous piston hole (18), blocking piston hole (21) becomes cycle cam (3) and drives second to endure in compression travel Bar (5), the second tappet (5) pass through the second tappet rod guide (32) to push the one end, change cycle rocking arm (7) for becoming cycle rocking arm (7) Then compression retaining spring (19) becomes cycle cam (3) and stops the second tappet of driving the other end when compression stroke ends downwards (5), the second tappet (5), which stops pushing immediately, becomes cycle rocking arm (7)；Become cycle cam (3) drives second to endure in expansion stroke Bar (5), the second tappet (5) pass through the second tappet rod guide (32) to push the one end, change cycle rocking arm (7) for becoming cycle rocking arm (7) Then compression retaining spring (19) becomes cycle cam (3) and stops driving second other end when expansion stroke is nearly ended downwards Tappet (5), the second tappet (5), which stop pushing immediately, becomes cycle rocking arm (7).Retaining spring (19) one end heads on change cycle rocking arm (7), the other end heads on cylinder head (17).

As shown in fig. 6, machine oil pipe (27) and hollow oil duct (12), the A interfaces of solenoid valve (25), electronic oil pump (30) Oil outlet connection, be mounted with a pressure maintaining valve (29) on machine oil pipe (27)；When electromagnetic valve coil (23) is powered, spool (26) The position of A interfaces and B interface in closing solenoid valve (25), when electromagnetic valve coil (23) powers off, spool (26) is multiple in spool The position of A orifice B interface in solenoid valve (25) under the action of position spring (22) becomes circulating controling circuit (24) and controls The power circuit of electromagnetic valve coil (23) and electronic oil pump (30) is switched on or switched off.

The course of work of the utility model：

1. automobile is in the operating status that non-band shelves slide, become circulating controling circuit (24) disconnect electromagnetic valve coil (23) and The power circuit of electronic oil pump (30), spool (26) is under the action of valve core reseting spring (22) makes solenoid valve (25) A orifice B interface position, at this time the A interfaces of solenoid valve (25) be connected to B interface, in solenoid valve (25) and machine oil pipe (27) machine oil in is back to engine sump tank by interface B so that no oil pressure acts on timing piston (10), resistance Piston (14) is kept off to intercept synchronous piston (11) except blocking piston hole (21) under the action of resetting spring (15)；Hereafter, Admission cam (2) drives the first tappet (4) that inlet valve rocker (6) is made to shake, and in positioning plane (20), positions platform (13) positioning of floaing Under the action of spring (19), change is also made to recycle rocking arm (7) in company with shaking, to make synchronous piston hole (18), blocking piston hole (21) center line overlaps；The second tappet (5), the second tappet (5) is driven to push change cycle rocking arm (7) when becoming cycle cam (3) When, positioning plane (20) is floatd with positioning, and platform (13) disengages, becoming cycle rocking arm (7), work shakes in vain alone；It is shaken when becoming cycle After arm (7) is not pushed by the second tappet (5), becomes cycle rocking arm (7) under the action of retaining spring (19), make positioning plane (20) it keeps contact with the positioning platform (13) that floats and change being made to recycle adjoint inlet valve rocker (6) shake of rocking arm (7), to make to synchronize work The center line coincidence of consent (18), blocking piston hole (21).

2. when automobile enters band shelves sliding state, i.e., gas pedal, clutch pedal, brake pedal all while not by When stepping on, become the power circuit that circulating controling circuit (24) connects electromagnetic valve coil (23) and electronic oil pump (30) immediately, valve Core (26) overcomes the elastic force of valve core reseting spring (22), A interfaces and B in closing solenoid valve (25) under the action of electromagnetic force Machine oil is pumped into machine oil pipe (27) and enters hollow oil duct (12) by the position of interface, electronic oil pump (30), then through oil hole (9), oil duct (28) enters synchronous piston hole (18) and pushes timing piston (10), timing piston (10) and promotion synchronous piston (11), when the center line of synchronous piston hole (18), blocking piston hole (21) overlaps, synchronous piston (11) is pushed into blocking and is lived Push in consent (21) and simultaneously blocking piston (14) compression reseting spring (15), be so far completed make inlet valve rocker (6), Become the connection operation that cycle rocking arm (7) is combined together shake, inlet valve rocker (6) hereafter, become cycle rocking arm (7) both can be Admission cam (2), the first tappet (4) driving under it is synchronous shake, complete the unlatching inlet valve of engine induction stroke, and can be Become synchronous under the driving of cycle cam (3), the second tappet (5) shake, complete to open inlet valve in former compression stroke by cylinder Outside interior air discharge cylinder, close inlet valve when compression stroke ends, and in former expansion stroke opening inlet valve and Stop driving when former expansion stroke is nearly ended and becomes cycle rocking arm (7) closing inlet valve.Automobile at this time is in band shelves and slides shape State, engine are driven by transmission system by automobile driving wheel and are operated, and engine has been enter into two-stroke cycle state, running resistance It is all significantly reduced with vibration.In order to not occur overloading phenomenon when electronic oil pump (30) being made to work and ensure machine oil pipe (27) Interior oil pressure is stablized, and when the oil pressure in machine oil pipe (27) is higher than setting engine oil pressure, pressure maintaining valve (29) is opened at once to starting Oil pan draining.

3. when automobile is slided by band shelves switchs to non-band shelves sliding state, i.e. appearance or respectively let slip the clutch, oil Door pedal, brake pedal, or when the case where stepping on two pedals therein simultaneously, slow control circuit (24) then turns off electromagnetism The power circuit of valve coil (23) and electronic oil pump (30), spool (29) are under the action of resetting spring (22) immediately The position for making the A orifice B interface of solenoid valve (25) keeps the machine oil in the machine oil and machine oil pipe (27) in solenoid valve (25) logical It crosses interface B and flow back into engine sump tank, then so that the oil pressure acted on timing piston (10) disappears, then becoming cycle When rocking arm (7) is not pushed by the second tappet (5), blocking piston (14) is under the action of resetting spring (15), by synchronous piston (11) blocking piston hole (21) is released；As long as hereafter becoming cycle rocking arm (7) not pushed by the second tappet (5), inlet valve rocker (6) It works in the case where admission cam (2) and the first tappet (4) push, under the action of platform (13) are floatd in positioning plane (20), positioning, Change is set to recycle rocking arm (7) in company with shaking, to make synchronous piston hole (18) be overlapped with the center line of piston hole (21) is stopped；Work as change Rocking arm (7) is recycled in the case where becoming the driving of cycle cam (3) and the second tappet (5), plane (20) is positioned and floats with positioning platform (13) It disengages, become cycle rocking arm (7) the invalid shake of work alone；After the second tappet does not push change cycle rocking arm (7), becomes cycle and shake Arm (7) makes positioning plane (20) keep contacting with the positioning platform (13) that floats, to make synchronization under the action of retaining spring (19) Piston hole (18) is overlapped with the center line of blocking piston hole (21).

Claims

1. a kind of automobile slide engine Load Relief System, by cylinder head, camshaft, the first tappet, the second tappet, the first tappet is led Pipe, the second tappet rod guide, inlet valve rocker become cycle rocking arm, retaining spring, rocker arm shaft, timing piston, synchronous piston, blocking Piston, machine oil pipe, pressure maintaining valve, solenoid valve, electronic oil pump, becomes circulating controling circuit composition at resetting spring；It is characterized in that： There are one admission cam, one to become cycle cam on camshaft；Be equipped between admission cam and inlet valve rocker the first tappet, First tappet passes through the first tappet rod guide；Inlet valve rocker is equipped with positioning plane and synchronous piston hole, oil duct, synchronous piston hole with Oil duct communicates, and oil duct junction is opposite with oil hole, and timing piston and synchronous piston are equipped in synchronous piston hole；Become on cycle rocking arm It floats platform and blocking piston hole equipped with positioning, stops and blocking piston and resetting spring is installed in piston hole；Inlet valve rocker, change follow Ring rocking arm is all mounted on hollow rocker arm shaft, and installation, which is matched, is combined into clearance fit；It is installed becoming between cycle rocking arm and cylinder head There is retaining spring, one end of retaining spring heads on change cycle rocking arm, the other end heads on cylinder head；When the second tappet does not push change to follow When ring rocking arm, under the action of retaining spring, positioning plane can all keep contacting with the positioning platform that floats, to keep synchronous piston hole It is overlapped with the center line of blocking piston hole；After synchronous piston enters blocking piston hole from synchronous piston hole, admission cam is being sent out The first tappet is driven when motivation induction stroke and opens inlet valve to push inlet valve rocker and become cycle rocking arm, is become cycle cam and is existed Drive the second tappet when engine original compression stroke and former expansion stroke with push become cycle rocking arm and inlet valve rocker open into Valve；Machine oil pipe is connected to the oil outlet of the hollow oil duct of rocker arm shaft, the A interfaces of solenoid valve, electronic oil pump simultaneously, on machine oil pipe It is mounted with a pressure maintaining valve；The power circuit of electromagnetic valve coil and electronic oil pump in solenoid valve is all by change loop control electricity What road was connected or disconnected to control it.