CN104564331A - Reciprocating-type synchronous stroke internal combustion engine with pistons in series connection - Google Patents
Reciprocating-type synchronous stroke internal combustion engine with pistons in series connection Download PDFInfo
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- CN104564331A CN104564331A CN201510041257.6A CN201510041257A CN104564331A CN 104564331 A CN104564331 A CN 104564331A CN 201510041257 A CN201510041257 A CN 201510041257A CN 104564331 A CN104564331 A CN 104564331A
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Abstract
The invention relates to a reciprocating-type synchronous stroke internal combustion engine with pistons in series connection. The reciprocating-type synchronous stroke internal combustion engine comprises a shell provided with a cavity and two guide holes, a first cylinder cover, a second cylinder cover, a third cylinder cover and a fourth cylinder cover are arranged in the cavity, a first piston is slidably matched between the first cylinder cover and the second cylinder cover, a second piston is slidably matched between the third cylinder cover and the fourth cylinder cover, a first cylinder combustion chamber, a second cylinder combustion chamber, a third cylinder combustion chamber and a fourth cylinder combustion chamber are formed between the first piston as well as the second piston and the first cylinder cover, the second cylinder cover, the third cylinder cover as well as the fourth cylinder cover, a piston rod is connected in each guide hole, and the piston rods are connected with the first piston and the second piston through piston bridges and connected with a crankshaft. The reciprocating-type synchronous stroke internal combustion engine has the advantages that a mode of connecting the pistons is simplified, length and weight of the crankshaft are reduced, friction force is small, energy loss is low, service life is long, lubricating oil and fuel oil are saved, and the objectives of energy conservation and environment protection are achieved.
Description
Technical field
The present invention relates to a kind of internal-combustion engine, particularly relate to a kind of reciprocating synchronous stroke IC engine of tandem piston.
Background technique
Internal-combustion engine is a kind of dynamic power machine, and it is by making fuel burn at machine intimate, and the heat energy of being released directly is converted to the heat engine of power.
Sensu lato internal-combustion engine not only comprises stroke piston combustion engine, rotary engine and free piston engine, also comprise the gas turbine of rotary vane type, jet engine etc., but usually said internal-combustion engine refers to internal-combustion piston engine.
Internal-combustion piston engine is the most general with reciprocating piston type.Internal-combustion piston engine is by fuel and air mixing, and at its combustor inner cylinder, the heat energy discharged makes the combustion gas producing High Temperature High Pressure in cylinder.Combustion gas is expanded and is promoted piston work done, then mechanical work is exported by connecting rod or other mechanisms, drives follower work.
The maximum volume of firing chamber in four stroke procedure of normal work of current known piston type four-stroke internal combustion engine is equal, and the stroke of piston in four strokes is identical, and the work cycle of its four strokes is also called Otto cycle usually.Four pistons are set up in parallel, and the piston rod of each piston connects by a crank-driven, and four bent axles are fixed together, bent axle often rotates two weeks, a piston acting once, drives crankshaft rotating by the cylinder of acting, other cylinder moving is done work.This structure also exists following shortcoming: volume is comparatively large, and processing request is high, and assembling is complicated, and cost is high, and during work, energy loss is comparatively large, comparatively excessive fuel consumption.
Summary of the invention
The object of the invention is to solve the shortcoming existed in prior art, and the reciprocating synchronous stroke IC engine of a kind of tandem piston proposed.
To achieve these goals, present invention employs following technological scheme:
A kind of reciprocating synchronous stroke IC engine of tandem piston, comprise housing, described housing is tubular structure, a cavity is provided with in its centre, be symmetrical arranged a pilot hole respectively in the both sides of cavity, in described cavity, interval arranges the first cylinder head, the second cylinder head, the 3rd cylinder head and the four-cylinder lid that are mated connection successively.
Sliding connection first piston in cavity between described first cylinder head and the second cylinder head, form the first cylinder chamber between one end of first piston and described first cylinder head, between the other end of first piston and described second cylinder head, form the second cylinder chamber.
Sliding connection second piston in the described 3rd cavity between cylinder head and four-cylinder lid, form the 3rd cylinder chamber between one end of second piston and described 3rd cylinder head, between the other end of the second piston and described four-cylinder lid, form the 4th cylinder chamber.
All lead the piston rod that is connected in each described pilot hole, all connects first piston and the second piston by piston bridge on each piston rod, the piston rod of described hull outside also connects bent axle.
Preferably, between two piston rods of described hull outside, be also fixedly connected with a connecting rod bridge, described connecting rod bridge connects a bent axle by connecting rod.
Preferably, each end being in the piston rod of described hull outside all connects a bent axle by connecting rod, is fixed together between two described bent axles by fixing rod.
Preferably, described first piston and the second piston all seal with described cavity and are slidably matched, and first piston and the second piston have identical structure, in the middle of the outer wall of two pistons, be equipped with an annular groove.
Preferably, be equipped with two grooves of stepping down between described cavity and each described pilot hole, each groove of stepping down all is stepped down with corresponding piston bridge and is coordinated.
Preferably, described in groove width of stepping down equal described piston bridge width, groove length of stepping down equals piston bridge thickness and piston bridge movement travel sum.
Preferably, described housing is one, or employing 1-4 is set up in parallel structure.
Preferably, the number of pistons in described housing 1 can be 2-4 as required.
The invention has the advantages that: its piston of internal-combustion engine provided by the present invention is arranged in series, piston is firmly transmission mutually, vibrate little, frictional force is little, energy loss is low, extend its working life, the internal-combustion engine power be transported on bent axle is pure outputting power, bent axle often rotates one week, cylinder acting twice, compared with prior art, under the equal rotating speed of bent axle, improve the mechanical efficiency of cylinder, improve the output power of internal-combustion engine, achieve the object of fuel-economizing, decrease length and the weight of bent axle, simplify the structure of internal-combustion engine, alleviate internal-combustion engine gross weight, reduce internal-combustion engine manufacture cost, improve the torque of internal-combustion engine and reduce its idling.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the using state figure of Fig. 1;
Fig. 3 is another structural representation of Fig. 2.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.
Embodiment 1: as depicted in figs. 1 and 2, and the reciprocating synchronous stroke IC engine of a kind of tandem piston provided by the invention, comprises housing 1, and the number according to the described housing 1 of the needs of actual production can select one, or adopts 1-4 structures be set up in parallel.Be tubular structure at each described housing 1, a cavity 1.1 is provided with in its centre, be symmetrical arranged a pilot hole 1.2 respectively in the both sides of cavity 1.1, in described cavity 1.1, interval arranges the first cylinder head 6, second cylinder head 7, the 3rd cylinder head 8 and the four-cylinder lid 9 that are mated connection successively.
Sliding connection first piston 10 in cavity 1.1 between described first cylinder head 6 and the second cylinder head 7, form the first cylinder chamber 12 between one end of first piston 10 and described first cylinder head 6, between the other end of first piston 10 and described second cylinder head 7, form the second cylinder chamber 13.
Sliding connection second piston 11 in cavity 1.1 between described 3rd cylinder head 8 and four-cylinder lid 9, formed between one end of second piston 11 and described 3rd cylinder head 8 between the other end of the 3rd cylinder chamber 14, second piston 11 and described four-cylinder lid 9 and form the 4th cylinder chamber 15.
Described first piston 10 and the second piston 11 all seal with described cavity 1.1 and are slidably matched, and first piston 10 and the second piston 11 have identical structure, in the middle of the outer wall of two pistons, be equipped with an annular groove.
All lead the piston rod 2 that is connected in each described pilot hole 1.2, each piston rod 2 all connects first piston 10 and the second piston 11 by piston bridge 15, a connecting rod bridge 3 is also connected between two piston rods 2 outside described housing 1, described connecting rod bridge 3 connects a bent axle 5 by connecting rod 4, and the side of described connecting rod 4 is rotatably assorted by bearing and is connected on connecting rod bridge 3.
Two grooves 16 of stepping down are equipped with between described cavity 1.1 and each described pilot hole 1.2, each groove 16 of stepping down all is stepped down with corresponding piston bridge 15 and is coordinated, described groove 16 width of stepping down equals described piston bridge 15 width, and groove 16 length of stepping down equals piston bridge 15 thickness and piston bridge 15 movement travel sum.
Embodiment 2: in embodiment 1, connecting rod 4 and bent axle 5 can also take following structure, as shown in Figure 3, each end being in piston rod 2 outside described housing 1 is provided with an one end and its hinged connecting rod 4 coordinated, the other end hinged cooperation bent axle 5 of described connecting rod 4, be fixed together by fixing rod 17 between two described bent axles 5, two bent axles 5 realize interlock by fixing rod 17, thus make two piston rods 2 realize the object be synchronized with the movement.
Working principle: described bent axle 5 rotates, bent axle 5 drives two described piston rods 2 to move in pilot hole 1.2 by connecting rod 4 and connecting rod bridge 3 successively, two piston rods 2 drive first piston 10 and the second piston 11 to be synchronized with the movement by the piston bridge 15 on it, the two ends of first piston 10 and the second piston 11 complete exhaust, air-breathing, compression and acting four strokes respectively respectively in the first cylinder chamber 12, second cylinder chamber 13, the 3rd cylinder chamber 14 and the 4th cylinder chamber 15, and its detailed process is:
First stroke: the ear end face 10.1 of first piston 10 compresses → and front-end face 10.2 air-breathing → the second piston 11 ear end face 11.1 of first piston 10 is vented → the second piston 11 front-end face 11.2 air-breathing.
Second stroke: the ear end face 10.1 of first piston 10 do work → compress front-end face 10.2 → the second piston 11 ear end face 11.1 air-breathing → the second piston 11 front-end face 11.2 of first piston 10 is vented.
Third trip: the front-end face 10.2 of first piston 10 does work → and the ear end face 10.1 of first piston 10 is vented → compresses ear end face 11.1 → the second piston 11 front-end face 11.2 air-breathing of the second piston 11.
Fourth line journey: the ear end face 11.1 of the second piston 11 does work → front-end face 10.2 of first piston 10 be vented → compress the front-end face 11.2 of the second piston 11 →: ear end face 10.1 air-breathing of first piston 10.
Two pistons by connecting rod 4 direct effect, have not friction by piston rod 2 in transmission process, shake little, momentum large, it is fast, highly sensitive to compress and economize wet goods advantage.
Above-mentioned two embodiments should be understood to: two kinds of preferred working methods, these two embodiments explain the present invention, be not intended to limit the present invention, in actual production, according to the specification of internal-combustion engine, produce the housing 1 of corresponding size, and the piston that sliding connection 2-4 is connected mutually in housing 1, the piston of this 2-4 described series connection is all fixedly connected on described piston rod 2 by corresponding piston bridge 15, under the acting in conjunction of piston rod 2 and piston bridge 15, realizes interlock.
Claims (7)
1. the reciprocating synchronous stroke IC engine of a tandem piston, it is characterized in that: comprise housing (1), described housing (1) is tubular structure, a cavity (1.1) is provided with in its centre, be symmetrical arranged a pilot hole (1.2) respectively in the both sides of cavity (1.1), in described cavity (1.1), interval arranges the first cylinder head (6), the second cylinder head (7), the 3rd cylinder head (8) and the four-cylinder lid (9) that are mated connection successively;
Sliding connection first piston (10) in cavity (1.1) between described first cylinder head (6) and the second cylinder head (7), form the first cylinder chamber (12) between one end of first piston (10) and described first cylinder head (6), between the other end of first piston (10) and described second cylinder head (7), form the second cylinder chamber (13);
Sliding connection second piston (11) in cavity (1.1) between described 3rd cylinder head (8) and four-cylinder lid (9), form the 3rd cylinder chamber (14) between one end of second piston (11) and described 3rd cylinder head (8), between the other end of the second piston (11) and described four-cylinder lid (9), form the 4th cylinder chamber (15);
In each described pilot hole (1.2), all guiding is connected a piston rod (2), each piston rod (2) all connects first piston (10) and the second piston (11) by piston bridge (15), the piston rod (2) in described housing (1) outside also connects bent axle (5).
2. the reciprocating synchronous stroke IC engine of a kind of tandem piston according to claim 1, it is characterized in that: between two piston rods (2) in described housing (1) outside, be also fixedly connected with a connecting rod bridge (3), described connecting rod bridge (3) connects a bent axle (5) by connecting rod (4).
3. the reciprocating synchronous stroke IC engine of a kind of tandem piston according to claim 1, it is characterized in that: each end being in the piston rod (2) in described housing (1) outside all connects a bent axle (5) by connecting rod (4), is fixed together between two described bent axles (5) by fixing rod (17).
4. the reciprocating synchronous stroke IC engine of a kind of tandem piston according to any one of claim 1-3, it is characterized in that: described first piston (10) and the second piston (11) all seal with described cavity (1.1) and be slidably matched, and first piston (10) and the second piston (11) have identical structure, in the middle of the outer wall of two pistons, be equipped with an annular groove.
5. the reciprocating synchronous stroke IC engine of a kind of tandem piston according to claim 4, it is characterized in that: be equipped with two grooves of stepping down (16) between described cavity (1.1) and each described pilot hole (1.2), each groove of stepping down (16) is all stepped down with corresponding piston bridge (15) and is coordinated.
6. the reciprocating synchronous stroke IC engine of a kind of tandem piston according to claim 5, it is characterized in that: described in groove (16) width of stepping down equal described piston bridge (15) width, groove of stepping down (16) length equals piston bridge (15) thickness and piston bridge (15) movement travel sum.
7. the reciprocating synchronous stroke IC engine of a kind of tandem piston according to claim 1, is characterized in that: described housing (1) is one, or employing 1-4 is set up in parallel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041257.6A CN104564331A (en) | 2015-01-28 | 2015-01-28 | Reciprocating-type synchronous stroke internal combustion engine with pistons in series connection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510041257.6A CN104564331A (en) | 2015-01-28 | 2015-01-28 | Reciprocating-type synchronous stroke internal combustion engine with pistons in series connection |
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| CN104564331A true CN104564331A (en) | 2015-04-29 |
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| CN201510041257.6A Pending CN104564331A (en) | 2015-01-28 | 2015-01-28 | Reciprocating-type synchronous stroke internal combustion engine with pistons in series connection |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102448A (en) * | 1985-04-01 | 1986-04-10 | 周继龙 | Internal combustion reciprocating engine with cylinders in series four stroke |
| CN1076990A (en) * | 1992-03-27 | 1993-10-06 | 航空航天工业部南方动力机械公司 | A kind of opposed double-piston eccentric crank mechanism |
| US20100192923A1 (en) * | 2007-06-06 | 2010-08-05 | Cox Powertrain Ltd | Internal combustion engines |
| US20140290616A1 (en) * | 2013-03-27 | 2014-10-02 | Differential Dynamics Corporation | One-stroke internal combustion engine |
| CN204532536U (en) * | 2015-01-28 | 2015-08-05 | 邵金彪 | A kind of reciprocating synchronous stroke IC engine of tandem piston |
-
2015
- 2015-01-28 CN CN201510041257.6A patent/CN104564331A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102448A (en) * | 1985-04-01 | 1986-04-10 | 周继龙 | Internal combustion reciprocating engine with cylinders in series four stroke |
| CN1076990A (en) * | 1992-03-27 | 1993-10-06 | 航空航天工业部南方动力机械公司 | A kind of opposed double-piston eccentric crank mechanism |
| US20100192923A1 (en) * | 2007-06-06 | 2010-08-05 | Cox Powertrain Ltd | Internal combustion engines |
| US20140290616A1 (en) * | 2013-03-27 | 2014-10-02 | Differential Dynamics Corporation | One-stroke internal combustion engine |
| CN204532536U (en) * | 2015-01-28 | 2015-08-05 | 邵金彪 | A kind of reciprocating synchronous stroke IC engine of tandem piston |
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Application publication date: 20150429 |