CN201835927U

CN201835927U - Novel engine structure

Info

Publication number: CN201835927U
Application number: CN2010205995526U
Authority: CN
Inventors: 夏细顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-10
Filing date: 2010-11-10
Publication date: 2011-05-18
Anticipated expiration: 2020-11-10

Abstract

The utility model discloses a novel engine structure, which is mainly designed for increasing energy saving and emission reducing effect of existing engines. The novel engine structure comprises an engine and a control mechanism, the control mechanism controls each of cylinders of the engine to be in operating circulation of applying work externally during previous four strokes and realizing gas intake and exhaust without applying work externally during latter four strokes, and comprises an exhaust valve gas refill and exhaust control device and a fuel timing control system, wherein the fuel timing control system controls a fuel injector of the engine to inject fuel one time when each of the cylinders applies work externally during the previous four strokes and controls the fuel injector not to inject fuel when each of the cylinders dose not apply work externally during the latter four strokes. On the premise of guaranteeing normal power output of engine, oil injection frequency of the engine is reduced obviously, and accordingly energy economization and emission reduction of the engine are realized indeed.

Description

The new structure motor

Technical field

The utility model relates to engine art, relates in particular to a kind of new structure motor.

Background technique

Present most diesel engine or petrol engine, its working procedure all are that four stroke cycle is reciprocal, and be promptly air-breathing, compression, blast and exhaust.Bent axle whenever take two turns oil sprayer will be in the firing chamber oil spout once realize the continuous running of motor.So how can guarantee under the constant situation of engine output, not only can fuel-economizing simultaneously but also can reduce the discharging of tail gas?

The model utility content

At the problems referred to above, the utility model provides a kind of discharging low, and the new structure motor of fuel-economizing.

For achieving the above object, new structure motor described in the utility model, comprise motor, comprise that also one makes each cylinder of described motor all be in preceding four external works done of stroke, four stroke air inlets in back and exhaust and the external control mechanism of the work cycle of work done not, described control mechanism comprises inlet and exhaust valve benefit exhaust control device, and the oil sprayer of described motor in the oil spout of preceding four the external work done processes of stroke of each cylinder once, and back four strokes are the fuel oil timing control system of external not oil spout of work done process not.

Further, described inlet and exhaust valve is mended exhaust control device and is made of inferior camshaft that has intake valve tonifying Qi cam and exhaust valve exhaust cam and time camshaft timing gear, and described time camshaft timing gear is meshed with the timing gear of the camshaft of described motor; Or described inlet and exhaust valve benefit exhaust control device is an electric controller.

Especially, the rotating ratio of the timing gear of the camshaft of described camshaft timing gear and described motor is 1: 2.

Further, described fuel oil timing control system is electronic fuel-management system or mechanical type fuel control system; Wherein, described mechanical type fuel control system is made of fuel oil timing camshaft and fuel oil timing gear, and the rotating ratio of the timing gear of the camshaft of described fuel oil timing gear and described motor is 1: 2.

Further, the weightening finish of the flywheel mass of described motor 20%～30%.

The utility model is by being provided with described control mechanism, the motor of script four-stroke working in reciprocating mode is become preceding four strokes be in air-breathing normally, compression, blast and exhaust work state, four strokes in back rely on the inertia of the described flywheels that start to drive described piston and finish air-breathing, exhaust, air-breathing and exhaust (being back four strokes idle running), and oil sprayer is not to cylinder-in oil-jet, and promptly back four strokes are externally work done not.In addition, the utility model is in order to make the more steady reliable of engine running, with the flywheel weightening finish 20%～30% of described motor.The number of times of new structure motor described in the utility model oil spout in whole work cycle obviously lacks than existing motor oil spout number of times, has really realized the energy-saving and emission-reduction of motor, and can guarantee the normal power output of motor.

Description of drawings

Inlet and exhaust valve was mended the structural representation of exhaust control device when Fig. 1 was new structure engine cam underlying described in the utility model;

One embodiment's of timing gear case structural representation when Fig. 2 is new structure engine cam underlying described in the utility model;

Fig. 3 inlet and exhaust valve when putting on the new structure engine cam described in the utility model is mended the structural representation of exhaust control device;

Fig. 4 embodiment's of timing gear case when putting on the new structure engine cam described in the utility model structural representation;

Fig. 5 is in the working state figure of suction stroke for a certain cylinder of new structure motor described in the utility model;

Fig. 6 is in the working state figure of compression stroke for a certain cylinder of new structure motor described in the utility model;

Fig. 7 is in the working state figure of blast stroke for a certain cylinder of new structure motor described in the utility model;

Fig. 8 is in the working state figure of exhaust stroke for a certain cylinder of new structure motor described in the utility model;

Fig. 9 is in the working state figure of first suction stroke of back four strokes for a certain cylinder of new structure motor described in the utility model;

Figure 10 is in the working state figure of second exhaust stroke of back four strokes for a certain cylinder of new structure motor described in the utility model;

Figure 11 is in the working state figure of the 3rd suction stroke of back four strokes for a certain cylinder of new structure motor described in the utility model;

Figure 12 is in the working state figure of the 4th exhaust stroke of back four strokes for a certain cylinder of new structure motor described in the utility model.

Embodiment

Below in conjunction with Figure of description embodiment of the present utility model is done detailed description.

New structure motor described in the utility model, comprise motor, comprise that also one makes each cylinder of described motor all be in preceding four external works done of stroke, four stroke air inlets in back and exhaust and the external control mechanism of the work cycle of work done not, described control mechanism comprises inlet and exhaust valve benefit exhaust control device, and the oil sprayer of described motor in the oil spout of preceding four the external work done processes of stroke of each cylinder once, and back four strokes are the fuel oil timing control system of external not oil spout of work done process not.

Shown in Figure 1, inlet and exhaust valve is mended the structural representation of exhaust control device during new structure engine cam underlying described in the utility model.Described inlet and exhaust valve is mended exhaust control device and is made of inferior camshaft that has intake valve tonifying Qi cam 131 and exhaust valve exhaust cam 132 and inferior camshaft timing gear 6, and described camshaft timing gear 6 is meshed with the timing gear 4 of the camshaft of described motor and rotating ratio is 1: 2; Or described inlet and exhaust valve benefit exhaust control device is an electric controller.Described intake valve tonifying Qi cam 131 contacts with rocking arm 11 through push rod 12 with exhaust valve exhaust cam 132, realizes controlling the action of intake valve 1 and exhaust valve 2 opening and closing.When putting on the camshaft of motor is, described intake valve tonifying Qi cam 131 directly contacts (as shown in Figure 3) with exhaust valve exhaust cam 132 with rocking arm.

Described inlet and exhaust valve is mended the exhaust control device working procedure: described intake valve 1 and exhaust valve 2 are when first suction stroke of back four strokes, described intake valve 1 and described exhaust valve 2 are by the camshaft control of described motor, intake valve 1 is opened, and exhaust valve 2 cuts out.During second exhaust stroke, intake cam 141 and exhaust cam 142 on the camshaft of described motor all are in small end, intake valve 1 and exhaust valve 2 are in closed condition, can control described exhaust valve by the inferior camshaft that is provided with and open this moment, intake valve is in closed condition, and promptly to the top dead center process, discharge inhaled air in the cylinder again by piston by lower dead center for piston, should note this moment when described piston arrives top dead center, avoiding running into exhaust valve, can realize by the profile design of exhaust cam.During the 3rd aspirating stroke, intake cam 141 and exhaust cam 142 on the camshaft of described motor all are in small end, intake valve 1 and exhaust valve 2 are in closed condition, control described intake valve by the inferior camshaft that is provided with and open this moment, exhaust valve is in closed condition, be piston by top dead center to the lower dead center process, suck air.When the 4th exhaust stroke of back four strokes, described intake valve 1 and described exhaust valve 2 are by the camshaft control of described motor.In entire work process, the intake valve tonifying Qi cam 131 on described camshaft and the profile of exhaust valve exhaust cam 132 should cooperate the design of described engine cam timing relation.

Described fuel oil timing control system is electronic control fuel system or mechanical type control oil-fired system; Wherein, the electronic control fuel system can be electric control linearly arranged pump oil-fired system, electronic control dispensing pump oil-fired system or Electrocontrolled high-pressure common rail oil-fired system.Preceding two kinds of oil-fired systems are to have increased by a cover accurately to control the electronic equipment of Engine Injection Mass and injection time on the basis of traditional mechanical type oil-fired system, thereby greatly reduce the engine emission pollution and improved fuel economy.The third oil-fired system is the actual motion state that goes out motor by various sensor, by the calculating and the processing of computer, can carry out optiumum control to fuel injection quantity, injection time, injection pressure and the fuel injection rate of motor.Described mechanical type control oil-fired system is made of fuel oil timing camshaft and fuel oil timing gear 8.

As Fig. 2 and shown in Figure 4, an embodiment's of timing gear case structural representation when putting on one embodiment's of timing gear case structural representation and the engine cam when being respectively new structure engine cam underlying described in the utility model.Among Fig. 2, described engine crankshaft power output gear 3 is meshed with the camshaft timing gear 4 of described motor, be provided with a gear 5 on the camshaft of described motor, this gear 5 is meshed with described camshaft timing gear 6, and described time camshaft timing gear 6 is given described fuel oil timing gear 8 through transition gear 7 with power transmission.Among Fig. 4, described engine crankshaft power output gear 3 outputs power to the camshaft timing gear 4 of described motor through toothed belt 9, be provided with a gear 5 on the camshaft of described motor, this gear 5 is meshed with described camshaft timing gear 6, and described time camshaft timing gear 6 is given described fuel oil timing gear 8 through toothed belt 9 with power transmission.Between the camshaft timing gear 4 of described engine crankshaft power output gear 3 and described motor, be provided with the distend wheel 102 that has been used for the swelling effect, be provided with the distend wheel 101 that has been used for the swelling effect between described camshaft timing gear 6 and the described fuel oil timing gear 8.Described camshaft timing gear 6 is 1: 2 with the rotating ratio of the timing gear 4 of the camshaft of described motor.Described fuel oil timing gear 8 are 1: 2 with the rotating ratio of the timing gear 4 of the camshaft of described motor.In addition, except that using the toothed belt transmission, each timing gear of described motor can also adopt chain-driven.

The utility model is more steady for guaranteeing described new structure engine running, with the flywheel mass weightening finish 20%～30% of described motor.

Fig. 5～Figure 12 is the workflow diagram of new structure motor described in the utility model, and it is described in detail as follows:

(1) preceding four strokes of each cylinder of motor finish air-breathing, compression, blast and exhaust (as Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8), and at oil sprayer after the compression stroke oil spout is once in cylinder under the control of fuel oil timing control system;

(2) behind each cylinder of motor four strokes finish air-breathing, exhaust, air-breathing and exhaust, and the not oil spout in cylinder under the control of fuel oil timing control system of the described oil sprayer of whole process;

Wherein, first suction stroke in four strokes described in the step (2) is: in the process of piston from the top dead center to the lower dead center, by being closed to unlatching, exhaust valve 2 cuts out (as shown in Figure 9) by being opened under the control that the camshaft and the inlet and exhaust valve of motor are mended exhaust control device intake valve 1 under the control that the camshaft and the inlet and exhaust valve of motor are mended exhaust control device;

Second exhaust stroke in described four strokes is: in the process of piston from the lower dead center to the top dead center, intake valve 1 is mended at the camshaft of motor and/or inlet and exhaust valve under the control of exhaust control device and is closed by being opened to, and exhaust valve 2 is mended at camshaft and/or inlet and exhaust valve under the control of exhaust control device by being closed to unlatching (as shown in figure 10);

The 3rd suction stroke in described four strokes is: piston is once more in the process from the top dead center to the lower dead center, by being closed to unlatching, exhaust valve 2 cuts out (as shown in figure 11) by being opened under the control of camshaft and/or inlet and exhaust valve benefit exhaust control device intake valve 1 under the control of camshaft and/or inlet and exhaust valve benefit exhaust control device;

The 4th exhaust stroke in described four strokes is: piston is once more in the process from the lower dead center to the top dead center, intake valve 1 is mended at camshaft and/or inlet and exhaust valve under the control of exhaust control device and is closed by being opened to, and exhaust valve 2 is mended at camshaft and/or inlet and exhaust valve under the control of exhaust control device by being closed to unlatching (as shown in figure 12).

(3) described motor one action loop ends, next circulation repeating step (1) and step (2).

Adopt said structure, the number of times of new structure motor described in the utility model oil spout in whole work cycle obviously lacks than existing motor oil spout number of times, has really realized the energy-saving and emission-reduction of motor, and can guarantee the normal power output of motor.

More than; it only is preferred embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.

Claims

1. new structure motor, comprise motor, it is characterized in that, comprise that also one makes each cylinder of described motor all be in preceding four external works done of stroke, four stroke air inlets in back and exhaust and the external control mechanism of the work cycle of work done not, described control mechanism comprises inlet and exhaust valve benefit exhaust control device, and the oil sprayer of described motor in the oil spout of preceding four the external work done processes of stroke of each cylinder once, and back four strokes are the fuel oil timing control system of external not oil spout of work done process not.

2. according to the described new structure motor of claim 1, it is characterized in that, described inlet and exhaust valve is mended exhaust control device and is made of inferior camshaft that has intake valve tonifying Qi cam and exhaust valve exhaust cam and time camshaft timing gear, and described time camshaft timing gear is meshed with the timing gear of the camshaft of described motor; Or described inlet and exhaust valve benefit exhaust control device is an electric controller.

3. according to the described new structure motor of claim 2, it is characterized in that the rotating ratio of the timing gear of the camshaft of described camshaft timing gear and described motor is 1: 2.

4. according to the described new structure motor of claim 1, it is characterized in that described fuel oil timing control system is electronic fuel-management system or mechanical type fuel control system; Wherein, described mechanical type fuel control system is made of fuel oil timing camshaft and fuel oil timing gear, and the rotating ratio of the timing gear of the camshaft of described fuel oil timing gear and described motor is 1: 2.

5. according to the described new structure motor of claim 1, it is characterized in that the flywheel mass weightening finish 20%～30% of described motor.