CN105888836A - Automobile engine - Google Patents

Automobile engine Download PDF

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Publication number
CN105888836A
CN105888836A CN201410542667.4A CN201410542667A CN105888836A CN 105888836 A CN105888836 A CN 105888836A CN 201410542667 A CN201410542667 A CN 201410542667A CN 105888836 A CN105888836 A CN 105888836A
Authority
CN
China
Prior art keywords
cylinder
valve switch
output shaft
gear
power output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410542667.4A
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Chinese (zh)
Inventor
江军政
蒋良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Fuling District Baoxiang Machinery Co Ltd
Original Assignee
Chongqing Fuling District Baoxiang Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Fuling District Baoxiang Machinery Co Ltd filed Critical Chongqing Fuling District Baoxiang Machinery Co Ltd
Priority to CN201410542667.4A priority Critical patent/CN105888836A/en
Publication of CN105888836A publication Critical patent/CN105888836A/en
Pending legal-status Critical Current

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  • Transmission Devices (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

The invention relates to an automobile engine comprising an engine body and a valve mechanism arranged on the body. The body comprises a cylinder; a slide block is connected with a piston connecting rod reciprocating in the cylinder; a groove slide way is opened on the outer wall of a rotor meshed with a power output shaft; the slide block is positioned in the groove slide way to form linkage between the piston connecting rod and the rotor; the valve mechanism comprises a valve switch rotating shaft and a valve switch cam which is arranged on the valve mechanism and control the switch of gas inlet/outlet valves; transmission between the valve switch rotating shaft and the power output shaft is realized by means of engagement system. The automobile engine drives the rotor to rotate by the piston connecting rod, has simple rotating structure, low noise, and small size, thereby reducing manufacturing cost and improving output power of the engine.

Description

A kind of automobile engine
Technical field
The present invention relates to stroke piston combustion engine technical field.
Background technology
Bringing back to life piston type internal-combustion engine is the complex machines that the thermal energy that a kind of burning fuel produces becomes kinetic energy.Back and forth The working chamber of internal-combustion piston engine is referred to as cylinder, and cylinder surfaces is cylindrical.In cylinder reciprocating Piston is connected with bent axle by connecting rod, constitutes toggle.Therefore, in cylinder, reciprocal fortune is made when piston Time dynamic, connecting rod just promotes bent axle to rotate, or on the contrary.Meanwhile, the volume of working chamber is also constantly by minimum Changing to maximum, then changed to minimum by maximum, so circulation is endlessly.The top cylinder head of cylinder is closed.At gas Equipped with inlet valve and exhaust valve on cylinder cap, realize inflating and to cylinder in cylinder by the opening and closing of inlet and outlet door Outer aerofluxus.The opening and closing of inlet and outlet door is by camshaft control.
Camshaft is driven by bent axle, the kind of drive of bent axle to camshaft mainly have three kinds, i.e. gear transmission chain Bar transmission and cog belt transmission, the typically transmission from bent axle to camshaft have only to a pair timing gears, if desired Breast wheel to be installed additional.Chain drive can meet due to the distant distribution starting motivation of bent axle and camshaft Transmission requirement, but structure is more complicated, adjusts inconvenience, and its serviceability depends on the system with chain to a great extent Make quality;Synchronous cog belt is the most wide variety of a kind of kind of drive, but can be used to replace chain to pass Dynamic, use profile of tooth bar transmission, noise can be reduced, reduce architecture quality.Drive mechanism excellent be reduce noise, Improve the emphasis of output.
Bringing back to life the piston type internal-combustion engine electromotor as automobile, its performance quality directly influences automotive performance, starts The type of machine is a lot, and configurations, to adapt to the needs of different automobile types.Fuel is used to divide by electromotor, can It is divided into the classification such as petrol engine and Diesel engine.By engine cylinder arrangement mode divide, be divided into array, V-type, pancake engine etc..
Engine cylinder below 6 cylinders mostly is single straight column mode, and minority 6 Cylinder engine also has straight column mode. In-line engine simple in construction, low price, shortcoming is that electromotor height is higher, and length is longer;V-type is sent out Motivation operating is relatively more steady, and vibration and noise is less, the most relatively low, and length is shorter, can reserve phase for driving cabin To big space, shortcoming is to use two cylinder covers, and structure is relative complex, and price is the most expensive;Level pair Putting electromotor to be typically mounted on the centrage of car load, piston is evenly distributed in bent axle both sides, in the horizontal direction Side-to-side movement, the moment that both sides piston produces is cancelled out each other, and is substantially reduced the operating vibration of vehicle, and minimizing is made an uproar Sound, engine speed is greatly improved, and oil consumption is relatively low, and make the whole height of electromotor reduce, length contracting Short, but its technology requires the highest, and cooling system also requires that very strict, and manufacturing cost is than V-type engine more High.
Develop body to take up space in little, structure relative simplicity low cost and high novel of the little output of noise Burn engine, the target always pursued in the industry.
Summary of the invention
The present invention need to solve the technical problem that and there is provided that a kind of structure is relatively easy, low cost of manufacture, volume are little The automobile engine that energy consumption is low.
For solving above-mentioned technical problem, the technical scheme that the present invention realizes is:
A kind of automobile engine of design, includes engine body and the valve actuating mechanism being disposed on body.Body Including cylinder, piston brace rod reciprocating in cylinder connects slide block, one and power output shaft Having groove slideway on the rotor outer wall of engagement, described slide block is placed in groove slideway and makes piston brace rod and turn Linkage is formed between son;Described valve actuating mechanism includes valve switch rotating shaft and the control inlet and outlet being disposed thereon The valve switch cam of door trip, is passed by gear engagement system between valve switch rotating shaft and power output shaft Dynamic, the power gear on power output shaft engages with the driven gear in valve switch rotating shaft, power gear and band The gear ratio of moving gear is 1: 2.
As the improvement of such scheme, the groove slideway on rotor outer wall is with the SIN function shaped form in a cycle State is distributed.Cylinder with two be a composition as listed in power output shaft both sides, often group two cylinders cylinder jacket be linked to be Integrally, piston brace rod shares, and described slide block is fixed on the middle part of piston brace rod.
It is taper that power gear is arranged on the two ends of power output shaft, power gear and the driven gear engaged Gear, the valve switch rotating shaft vertical distribution that power output shaft drives with driven gear, described valve switch is convex Wheel is arranged on the two ends of valve switch rotating shaft, and valve switch cam can be with the gas being arranged on the top often organizing cylinder Inlet and outlet door contact on cylinder cap so that inlet and outlet door opens or closes.
The present invention has following remarkable advantage compared to existing technology:
1, this automobile engine, the piston brace rod of cylinder is not connected with bent axle, and is by mean of slide block with outer The rotor having groove slideway on wall connects so that the linear reciprocating motion of cylinder piston is transformed into rotor and moves The rotary motion of power output shaft, this kind of drive, simple in construction, difficulty of processing is low, can reduce and be manufactured into This.
2, this engine body with rotor, volume is little, it is easy to putting of engine location.Also can be Drive cabin and reserve relatively large space.
3, by the rotational structure of piston brace rod rotor driven, connecting portion reduces, and reduces friction, has Effect ground reduces energy consumption, improves the output of electromotor.
4, cylinder is symmetricly set on rotor and power output shaft both sides, completely designs journey, vibrates little, make an uproar Sound is low.
Accompanying drawing explanation
Fig. 1 is the structure sketch of the present invention;
Fig. 2 is the schematic diagram of another viewing angle constructions of Fig. 1;
Fig. 3 is the deployed configuration schematic diagram of Fig. 1 rotor;
Fig. 4 is the structural representation of Fig. 1 medium power gear
Detailed description of the invention
The present invention is described in further detail to combine accompanying drawing below by embodiment.
See Fig. 1,2, a kind of automobile engine, include engine body and the distribution being disposed on body Mechanism, this automobile engine also includes fuel feed system, lubricating system, cooling system, ignition system certainly With starting system etc., due to the improvement emphasis of these systems non-invention, the most do not disclose in FIG, Do not elaborate at this.
The piston brace rod being improved by cylinder 1 included by engine body of the present invention by means of slide block with Have on outer wall groove slideway rotor connect so that the linear reciprocating motion of cylinder piston be transformed into rotor and The rotary motion of power output shaft.
The present embodiment illustrates as a example by four cylinder engine.The power output shaft 4 being integrated is engaged with rotor 5 Being arranged on centre, power output shaft both sides are respectively provided with two cylinders, are positioned at the cylinder jacket of two cylinders of homonymy Being connected, piston brace rod 2 shares.Namely the cylinder jacket one of a cylinder 11 and two cylinders 12, lives Plug connecting rod shares;The cylinder jacket one of three cylinders 13 and four cylinders 14, piston brace rod shares.Sharing Piston brace rod 2 in the middle part of fix a slide block 3, this slide block is placed in the groove slideway 51 that rotor 5 outer wall is offered In, groove slideway with the fractions distribution of the SIN function curve in a cycle on rotor outer wall.See Fig. 3 institute The rotor deployed configuration schematic diagram shown.So two slide blocks of power output shaft both sides just lay respectively at rotor recesses The both sides of slideway.When both sides cylinder piston connecting rod 2 sequentially moves back and forth in cylinder jacket, just can make to turn Son rotates.And the groove slideway on rotor outer wall is offered with SIN function tracing pattern so that work The slide block that plug connecting rod drives slides more smooth and easy.
The valve actuating mechanism of the present invention includes valve switch rotating shaft 6 and the control inlet and outlet door being disposed thereon The valve switch cam 7 of switch, by gear engagement system between valve switch rotating shaft and power output shaft Transmission, power gear 41 is arranged on the two ends of power output shaft, power gear and the driven gear engaged 61 is angular wheel, and for the ease of transmission, the teeth of power gear are obliquely installed.
Valve switch rotating shaft 6 vertical distribution that power output shaft 4 drives with driven gear, described valve switch Cam is arranged on the two ends of valve switch rotating shaft, can often organize cylinder with being arranged on during valve switch cam rotation Inlet valve 81, exhaust valve 82 in the cylinder head on top contact so that inlet valve, exhaust valve open or close.
The power gear number of teeth on power output shaft is 1 with the gear ratio of the driven gear in valve switch rotating shaft: 2, power output shaft turns two weeks, and valve switch rotating shaft turns 1 week, and power output shaft turns with valve switch rotating shaft Number than or gear ratio be 2: 1, power output shaft drives valve switch rotating shaft, valve switch axis of rotation same Time, valve switch tappet time switch fixed thereon or closedown valve plug.
Below the operation process of this automobile engine is described briefly:
Automobile engine often completes a cycle of operation, and each cylinder does a merit.During engine start, drive Power output shaft and rotor start to rotate so that four cylinders start acting successively;
One cylinder 11 does work, and groove slideway is rotated by slide block pressure, and two cylinders 12 compress, three cylinders 13 Air-breathing, three cylinder air inlet doors open, four cylinder 14 aerofluxuss, and four inblock cylinder valves are opened, and this process rotor revolves Turn 180 °.
Two cylinders 12 do work, and three cylinders 13 compress, four cylinder 14 air-breathings, and four cylinder 14 inlet valves are opened, One cylinder 11 aerofluxus, two cylinder exhaust valves open, and this process rotor rotates 180 °.
Three cylinders 13 do work, and four cylinders 14 compress, cylinder 11 air-breathing, and cylinder 11 inlet valve is opened, Two cylinder 12 aerofluxuss, two cylinder 12 exhaust valves open, and this process rotor rotates 180 °
Four cylinders 14 do work, and a cylinder 11 compresses, two cylinder 12 air-breathings, and two cylinder 12 inlet valves are opened, Three cylinder 13 aerofluxuss, three cylinder 13 exhaust valves open, and this process rotor rotates 180 °.So far, one is completed Individual cycle of operation rotor rotates 720 °, and every cylinder does work once.

Claims (4)

1. an automobile engine, includes engine body and the valve actuating mechanism being disposed on body, its feature Being: described body includes cylinder (1), piston brace rod (2) reciprocating in cylinder is upper to be connected There is slide block (3), rotor (5) outer wall engaged with power output shaft (4) has groove slideway (51), described cunning Block is placed in groove slideway and makes to be formed between piston brace rod and rotor linkage;
Described valve actuating mechanism include valve switch rotating shaft (6) and be disposed thereon control inlet and outlet door trip Valve switch cam (7), by gear engagement system transmission between valve switch rotating shaft and power output shaft, dynamic Power gear (41) on power output shaft engages with the driven gear (61) in valve switch rotating shaft, power gear with The gear ratio of driven gear is 1: 2.
Automobile engine the most according to claim 1, it is characterised in that: recessed on described rotor outer wall Groove slideway is distributed with the SIN function tracing pattern in a cycle.
Automobile engine the most according to claim 1 and 2, it is characterised in that: described cylinder is with two Be a composition as listed in power output shaft both sides, often group two cylinders cylinder jacket be connected, piston brace rod is common With, described slide block is fixed on the middle part of piston brace rod.
Automobile engine the most according to claim 3, it is characterised in that: described power gear is arranged on The two ends of power output shaft, power gear (41) and the driven gear (61) engaged are angular wheel, power The valve switch rotating shaft vertical distribution that output shaft drives with driven gear, described valve switch cam is arranged on gas The two ends of door trip rotating shaft, valve switch cam can with in the cylinder head being arranged on the top often organizing cylinder Inlet and outlet door contacts so that inlet and outlet door opens or closes.
CN201410542667.4A 2014-09-27 2014-09-27 Automobile engine Pending CN105888836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410542667.4A CN105888836A (en) 2014-09-27 2014-09-27 Automobile engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410542667.4A CN105888836A (en) 2014-09-27 2014-09-27 Automobile engine

Publications (1)

Publication Number Publication Date
CN105888836A true CN105888836A (en) 2016-08-24

Family

ID=57001365

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410542667.4A Pending CN105888836A (en) 2014-09-27 2014-09-27 Automobile engine

Country Status (1)

Country Link
CN (1) CN105888836A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106437921A (en) * 2016-11-01 2017-02-22 北京理工大学 Gas distribution switching device for microminiature rotor engine at low and high speeds
CN109424433A (en) * 2017-08-30 2019-03-05 南京锦冠汽车零部件有限公司 A kind of automobile engine
CN113323737A (en) * 2021-06-29 2021-08-31 王少成 Timing connecting rod component and horizontally opposed engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106437921A (en) * 2016-11-01 2017-02-22 北京理工大学 Gas distribution switching device for microminiature rotor engine at low and high speeds
CN106437921B (en) * 2016-11-01 2019-02-22 北京理工大学 For miniature rotor engine high and low rotating speed distribution switching device
CN109424433A (en) * 2017-08-30 2019-03-05 南京锦冠汽车零部件有限公司 A kind of automobile engine
CN113323737A (en) * 2021-06-29 2021-08-31 王少成 Timing connecting rod component and horizontally opposed engine

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Application publication date: 20160824