CN2383984Y

CN2383984Y - Straight shaft IC engine

Info

Publication number: CN2383984Y
Application number: CN 99227656
Authority: CN
Inventors: 夏鉴良
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-06-24
Filing date: 1999-06-24
Publication date: 2000-06-21
Anticipated expiration: 2009-06-24

Abstract

The utility model discloses a straight-shaft type internal combustion engine, which is characterized in that a rack is arranged on a piston, one part of the rack is provided with teeth, the appropriate position of the side of a connecting rod is provided with a straight shaft, a disc gear wheel which is partially provided with teeth is fixedly arranged on the straight shaft, a pinion is separately meshed with the rack and the disc gear wheel, and the rack is also meshed with the disc gear wheel. Energy source can be saved by the utility model, an output torque is increased, and the output torque is about twice larger than the output torque of the existing crankshaft type under the condition that cylinder capacity is the same.

Description

Direct axis type intenral combustion engine

The utility model belongs to the technical field of internal-combustion engine, especially relates to the driving mechanism in the internal-combustion engine.

Existing internal-combustion engine mainly comprises cylinder block, be contained in the spark plug of cylinder block one end, suction valve and gas outlet valve, be located at the piston in the cylinder block, be contained in the piston ring at piston two ends and the connecting rod that is connected with piston, connect bent axle by connecting rod, bent axle connects flywheel, and its working principle is, when ignition, piston is stressed to be moved downward, and passes to bent axle through connecting rod, passes to flywheel again, the flywheel stored energy, the number of degrees that the bent axle of doing work changes are unmodifiable, and are in four strokes, promptly air-breathing, compression, acting, each running length of exhaust all equates, be unalterable, there are the following problems when acting:

1, when ignition is done work, crank arm is just in time upwards vertical, and moment equals zero, and all loss is on bent axle for the energy of the overwhelming majority, and therefore comparatively speaking, it is loose especially to keep rigidity intensity that bent axle seems;

2, when revolving, crank arm turn 90 degrees horizontal position, moment maximum at this moment, and the pressure in the cylinder has descended more than half, and high pressure becomes low pressure, so though moment is maximum, but output torque is little;

3, in the energy output procedure, to piston, down bent axle is existed all the time the pressure angle of a loss of energy, the size of pressure angle on the connecting rod, change along with the rotation of bent axle, when the crank arm horizontal moment was maximum, the energy consumption of pressure angle was also maximum, when connecting rod is vertical, should be that energy transmits also the best, but crank arm at this moment is in vertical up and down position, and moment is zero no better than, and energy is not output almost;

4, in exhaust, when air-breathing, have the problems referred to above equally, and during exhaust, waste gas is released loss part energy again by an outlet valve by piston;

5, be circular movement owing to what do, cylinder inner wall and piston ring scuffing are inhomogeneous, ovalize.

The purpose of this utility model is to provide a kind of direct axis type intenral combustion engine, and it can reduce energy internal friction, increases output torque.

The technical solution of the utility model is achieved in that direct axis type intenral combustion engine, it mainly comprises cylinder block, be contained in spark plug, suction valve and the gas outlet valve of cylinder block one end, be located at the piston in the cylinder block, be contained in the piston ring at piston two ends and the driving mechanism that is connected with piston, it is characterized in that: fixedly a part is provided with the tooth bar of tooth on piston, establish a d-axis in the appropriate location of connecting rod side, on d-axis, install the carousel gear that tooth is partly arranged, one small gear meshes with tooth bar and carousel gear respectively, and tooth bar also meshes with carousel gear.

The utility model has been preserved piston system, remove connecting rod and bent axle, connecting rod is replaced by tooth bar, bent axle is replaced by the carousel gear on d-axis and the d-axis, and set up intermediate speed pinion, the same with existing curved shaft type internal-combustion engine, be four-stroke, but can change " merit speed ratio ", be that curved shaft type is to do work once, bent axle changes 720 degree (2 circle), be unmodifiable, and the direct shaft type acting once, d-axis three-sixth turn (1 circle), the d-axis that also can do work changes 720 degree (2 circle) or 2 the d-axis three-sixth turns etc. of doing work, and can reduce the gear number, reduces energy consumption; Can change length of piston travel, under the identical situation of cylinder capacity, piston area be can increase, thereby lifting surface area, boost pressure increased, increase running length, can prolong the stressed time, make full use of energy, the utility model can be saved the energy in sum, increasing output torque, will be about 2 times of existing curved shaft type at output torque under the identical situation of cylinder capacity.

Fig. 1 is the schematic representation of bent axle of the prior art and connecting rod being aligned

Fig. 2 forms the schematic representation of a pressure angle for bent axle of the prior art and connecting rod

Fig. 3 is the utility model one embodiment's a structural representation

Fig. 4 is in a kind of schematic representation of state for the utility model one embodiment

Fig. 5 is in the schematic representation of another kind of state for the utility model one embodiment

Fig. 6 is in the schematic representation of another state for the utility model one embodiment

The utility model will be further described below in conjunction with drawings and Examples.

The utility model mainly comprises cylinder block 1, be contained in the spark plug 2 of cylinder block 1 one ends, suction valve 3 and gas outlet valve 4, be located at the piston 5 in the cylinder block 1, be contained in the piston ring 6 at piston 5 two ends, the device of automatic compressed air and the driving mechanism that is connected with piston 5, it is different from prior art: fixedly a part is provided with the tooth bar 7 of tooth on piston 5, but because tooth bar 7 moving linearlies, the part of only exposing outside the cylinder block at tooth bar 7 is provided with tooth in an embodiment, establish a d-axis 8 in the appropriate location of tooth bar 7 sides, on d-axis 8, install the carousel gear 9 that tooth is partly arranged, two toothrows before and after tooth bar 7 is provided with, carousel gear 9 is provided with internal-round gear 13 and outer knuckle-tooth 14, one small gear 10 meshes with tooth bar 7 and carousel gear 9 respectively, tooth bar 7 also meshes with carousel gear 9, and piston 5 was fixed with being connected by latch 19 of tooth bar 7, and the small gear 10 of present embodiment meshes with the back toothrow 12 of tooth bar 7 and the internal-round gear 13 of carousel gear 9 respectively; The preceding toothrow 11 of

tooth bar

7 and 14 engagements of the outer knuckle-tooth of carousel gear 9 in the acting final vacuum, also can be established an exhaust port 15 for the ease of piston 5 on cylinder block 1, cylinder block is than existing suitable lengthening.

Working procedure of the present utility model is: when work, energy is delivered to tooth bar 7 by piston 5, pass to carousel gear 9 by tooth bar 7 again, d-axis 8 is rotated, when will be after piston 5 acting to swivel motion, change piston 5 travel directions by intermediate speed pinion 10, Fig. 3 represents that the mixed gas in the cylinder block 1 has been compressed to final stage, the one side of piston 5 has arrived top dead center A, this moment, the internal-round gear 13 of carousel gear 9 did not also have fully and small gear 10 disengagings, just break away from fully when waiting carousel gear 9 another mistake hour hands once to change the left and right sides, breaking away from pressure that back piston 5 is subjected to mixed gas dashes under rapidly, the preceding toothrow 11 of tooth bar 7 can mesh with the outer knuckle-tooth 14 idling lotuses of carousel gear 9, igniting this moment, and 14 of the outer knuckle-tooth of 11 pairs of carousel gear 9 of preceding toothrow of tooth bar 7 produce thrust, can not produce impulse force, work can be steady like this, helps protecting tooth, and the energy utilization is abundant; When the another side of piston 5 has arrived lower dead center C, the air of beginning pressurized gas cylinder body 1 below, can eliminate the inertia impulsive force of piston 5 and tooth bar 7 like this, can stored energy make bounce-back usefulness upwards again, and can make small gear 10 reposefully with internal-round gear 13 engagement of carousel gear 9, the one side of piston 5 is to lower dead center C, waste gas is discharged from gas outlet valve 3 and exhaust port 15 rapidly, this moment piston 5 rapid upper punches, the outer knuckle-tooth 14 of carousel gear 9 separates with the preceding toothrow 11 of tooth bar 7, the internal-round gear 13 of carousel gear 9 meshes with small gear 10 simultaneously, small gear 10 meshes with the back toothrow 12 of tooth bar 7, and when shifting inspiratory point B onto on the one side of piston 5, gas outlet valve 4 cuts out, when the one side of piston 5 is raised to top dead center A, the internal-round gear 13 of carousel gear 9 separates with small gear 10, piston 5 dashes under rapid under the compressed-air actuated effect, the preceding toothrow 11 of tooth bar 7 and the outer knuckle-tooth 14 of carousel gear 9 are meshed rapidly, under the outer knuckle-tooth 14 of carousel gear 9 promotes, piston 5 times is towards inspiratory point B, at this moment suction valve 3 is opened, and mixed gas is come in fast, and piston 5 continues down towards air-breathing; When the another side of piston 5 arrives lower dead center C, suction valve 3 cuts out, the air of piston 5 beginning pressurized gas cylinder bodies 1 below, piston 5 tops produce degree of vacuum simultaneously, the outer knuckle-tooth 14 of carousel gear 9 separates with the preceding toothrow 11 of tooth bar 7, this moment piston 5 upper punch that quicks rebound, the internal-round gear 13 of carousel gear 9 is meshed with small gear 10 reposefully, small gear 10 is also pushed piston 5 to top dead center A with back toothrow 12 engagements of tooth bar 7, in the accompanying drawing 16 expression connecting rod of the prior art, 17 expression cranks, 18 expression equilibrium blocks, pressure angle is represented with Q.

Claims

1, direct axis type intenral combustion engine, it mainly comprises cylinder block, be contained in spark plug, suction valve and the gas outlet valve of cylinder block one end, be located at the piston in the cylinder block, be contained in the piston ring at piston two ends and the driving mechanism that is connected with piston, it is characterized in that: fixedly a part is provided with the tooth bar of tooth on piston, establish a d-axis in the appropriate location of connecting rod side, install the carousel gear that tooth is partly arranged on d-axis, a small gear meshes with tooth bar and carousel gear respectively, and tooth bar also meshes with carousel gear.

2, by the described direct axis type intenral combustion engine of claim 1, it is characterized in that: two toothrows before and after tooth bar has, carousel gear have internal-round gear and outer knuckle-tooth.

3, by the described direct axis type intenral combustion engine of claim 2, it is characterized in that: small gear meshes with the back toothrow of tooth bar and the internal-round gear of carousel gear respectively; The outer knuckle-tooth engagement of the preceding toothrow of tooth bar and carousel gear.

4, by the described direct axis type intenral combustion engine of claim 1, it is characterized in that: on cylinder block, also can establish an exhaust port.