CN106837542A - Flat twin engine gas distribution assembly, engine and vehicle - Google Patents
Flat twin engine gas distribution assembly, engine and vehicle Download PDFInfo
- Publication number
- CN106837542A CN106837542A CN201710247600.1A CN201710247600A CN106837542A CN 106837542 A CN106837542 A CN 106837542A CN 201710247600 A CN201710247600 A CN 201710247600A CN 106837542 A CN106837542 A CN 106837542A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- engine
- gas distribution
- distribution assembly
- valve
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/181—Centre pivot rocking arms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/24—Safety means or accessories, not provided for in preceding sub- groups of this group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/004—Cylinder liners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
- F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L2003/25—Valve configurations in relation to engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1808—Number of cylinders two
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F2003/0007—Monolithic pistons; One piece constructions; Casting of pistons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to technical field of engines, more particularly, to a kind of flat twin engine gas distribution assembly, engine and vehicle, with solve limitation that engine stroke present in prior art matches with cylinder diameter and explosive force it is small, can only vertically installed technical problem.Including gas distribution assembly body and valve assembly.Two axis horizontals of cylinder body and coincidence.By the setting of gas distribution assembly, effective connection of double cylinders is realized, significantly increase the explosive force of cylinder.Again due in a state of use, two axis horizontals of cylinder body and coincidence, the i.e. two horizontally-opposed settings of cylinder body, and existing vertival enegine is in a state of use, the axis of cylinder is vertical, and the valve of cylinder is located at the top of the vertical direction of cylinder, obviously, engine in the present invention can significantly reduce whole height, such that it is able to reduce vehicle center of gravity, improve the stability of vehicle.
Description
Technical field
The present invention relates to technical field of engines, more particularly, to a kind of flat twin engine gas distribution assembly, start
Machine and vehicle.
Background technology
At present, the wider engine of range of application is overhead valve engine.This engine every time only limit to by acting
In a cylinder for engine provides effective travel, the explosive force of fuel is changed into power by the piston acting in cylinder.Cylinder
Footpath and stroke directly affect engine power and power.On the premise of same discharge capacity, increase stroke, then cylinder diameter reduces, and can cause
The reduction of power.Thus the bore and stroke proportioning range of choice of existing engine is limited.
And due to overhead valve design, the bags is larger, compress smaller, along with cylinder bore and stroke it
Between proportioning limitation, burning explosive force cannot be sufficiently converted to power, therefore this engine flare power is small, high energy consumption,
Also, because the vertically installed engine of inhead type, the center of gravity for causing vehicle are higher, thus result in the vehicles such as vehicle
Stability and braking it is poor.
Thus, present in prior art, the bore and stroke proportioning range of choice of engine is limited and vehicle steady
The qualitative and poor technical problem of braking turns into people's technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of flat twin engine gas distribution assembly, engine and vehicle, to alleviate
Between the stroke and diameter of engine present in prior art match range of choice it is small, and the bags it is larger cause it is quick-fried
Have an effect it is small, be short of power, high energy consumption, can only vertically installed technical problem.
In order to solve the above technical problems, the technical scheme that the present invention is provided is：
A kind of invention of technical scheme 1, there is provided flat twin engine gas distribution assembly, is included in assembled state the next
In engine'sGas distribution assembly body between two opposite cylinder bodies, and be detachably connected with the gas distribution assembly body
Valve assembly, wherein：
The gas distribution assembly body middle part is provided with the cylinder chamber for cooperatively forming engine with two cylinder bodies
Through hole and at least two valve interfaces for installing valve assembly；
In a state of use, two axis horizontals of the cylinder body and coincidence.
The invention of technical scheme 2, on the basis of the invention of technical scheme 1, energy is provided with the gas distribution assembly body
Enough connect two cooling ducts of the cooling chamber of the cylinder body.
The invention of technical scheme 3, is used to control the rocker arm shaft of the valve event on the basis of the invention of technical scheme 1
Bias to reduce whole height.
A kind of invention of technical scheme 4, there is provided flat twin engine, including two opposite cylinder bodies, and
The above-mentioned gas distribution assembly being detachably connected with two cylinder bodies.
The invention of technical scheme 5, on the basis of the invention of technical scheme 4, the cylinder body is including body, positioned at the machine
The internal and axis cylinder jacket Chong Die with the axis of the body and in the cylinder jacket and can be along described
The piston of the piston of the axis direction motion of cylinder jacket, the gas distribution assembly and two cylinder bodies encloses the combustion for being set as engine
Burn room.
The invention of technical scheme 6, on the basis of the invention of technical scheme 5, the first end of the body is provided with and institute
The protuberance that cylinder jacket offsets is stated, the second end of the body is provided with the location division that section is L-type；
The invention of technical scheme 7, on the basis of the invention of technical scheme 6, the first end of the cylinder jacket and the machine
The part of the contact surface of the protuberance of body is set to inclined-plane, and the inclined-plane and the angle of the axis of the cylinder are acute angle；
Second end of the cylinder jacket is provided with stretching into the kink in the L-type space of the location division.
The invention of technical scheme 8, the piston includes and the cylinder liner internal wall on the basis of the invention of technical scheme 6
The piston of cooperation and the piston convex portion set to the combustion chamber of the engine, the end of the piston convex portion is set to trapezoidal
Platform structure.
The invention of technical scheme 9, on the basis of the invention of technical scheme 8, the end of the valve is protruded to combustion chamber
Set, and the valve is adapted with the bucking ladder of the piston.
A kind of invention of technical scheme 10, there is provided vehicle, including above-mentioned flat twin engine.
The beneficial effect that the present invention can reach is：
A kind of invention of technical scheme 1, there is provided flat twin engine gas distribution assembly, is included in assembled state the next
Gas distribution assembly body between opposite two cylinder body of engine, and be detachably connected with the gas distribution assembly body
Valve assembly, wherein：The gas distribution assembly body middle part is provided with the cylinder chamber's through hole for forming engine and is used for
Install at least two valve interfaces of valve assembly.
By the setting of gas distribution assembly, effective connection of double cylinders is realized, due to being provided with two cylinders, arranged on an equal basis
On the premise of measuring equal cylinder diameter, the stroke of the existing engine of stroke ratio of unilateral cylinder is small one times, the angle of revolution of bent axle also phase
Should diminish, which improves the power of engine, when capacity is identical, engine one side cylinder stroke and available engine gas
When cylinder stroke is identical, unilateral cylinder sectional area will reduce half, but two cylinder sectional area sums are single with available engine
Cylinder sectional area is identical, thus maintains identical power, due to unilateral crank up angle and available engine crank up
Angle is identical, and two strokes are added the Double-stroke for just having obtained available engine, therefore this engine increased effective travel, increases
Moment of torsion is added.Therefore either increase the power or moment of torsion for, can match somebody with somebody as between the diameter of this cylinder and stroke
The adjusting range of ratio, this adds increased the adjustable space of bore and stroke so that, engine of the invention its power, show and
The meeting being clear to is better than available engine.
Again due in a state of use, two axis horizontals of the cylinder body and cylinder body of coincidence, i.e., two is horizontally-opposed sets
Put, in a state of use, the axis of cylinder is vertical for existing vertival enegine, and the valve of cylinder is located at the vertical direction of cylinder
Top, it is obvious that the present invention in engine can significantly reduce whole height, such that it is able to reduce vehicle weight
The heart, improves the stability of vehicle
The invention of technical scheme 2, on the basis of the invention of technical scheme 1, sets on concrete restriction gas distribution assembly body
It is equipped with the cooling duct that can connect two cooling chambers of the cylinder body.
The significance of setting cooling duct is in gas distribution assembly：Two cylinder bodies of flat twin engine are both needed to
Cooling system is configured, in order to realize two connections of the cooling system of cylinder body, is set on gas distribution assembly body of the invention
Cooling duct so that the cooling system of two cylinder bodies connects to form overall cooling recirculation system, and to the gas in gas distribution assembly
Door sub-assembly is formed encircles shape cooling.
The invention of technical scheme 3, specify that for controlling the rocker arm shaft of the valve event to bias, and rocker arm shaft biasing can be with
Directly power taking is engaged with nearer positioning gear using shaft end gear, eliminate Timing Belt and timing chain power taking farther out
Structure, while significantly reducing whole height, reduces the height of C.G. of vehicle, improves vehicle traveling comfort.
A kind of invention of technical scheme 4, there is provided flat twin engine, the engine includes two opposite cylinders
Body and above-mentioned gas distribution assembly.
Set contraposition engine technical barrier be：How to be realized between two cylinder bodies distribution and with cylinder jacket it
Between sealing problem.Using the structure type that twin-tub is opposed, the connected mode that can be used be two cylinder bodies directly offset or
Integrally connected, because cylinder jacket is installed in cylinder body in opposing mirror image, valve is outwards installed by combustion chamber, due to bar
Part is limited, therefore can not realize installation and the sealing problem of cylinder jacket and valve, or in order to set valve actuating mechanism by sealing
Part is connected, the sealing of this connected mode loosely, sealing position be easy to occur under the explosive force effect of combustion chamber fracture or
The danger such as leakage, if double cylinder opposed type above-mentioned in addition is using integrative-structure, exist between two cylinder bodies cannot by valve by
Install from inside to outside, that is, allow to that the technical problem that valve there is also poor sealing is installed.And the present invention passes through gas distribution assembly and two
The assembly and connection of individual cylinder body, solves installing and two connectivity problems of cylinder body for air cylinder sleeve of engine, while valve is by matching somebody with somebody
Mounting hole on gas assembly body is inwardly installed by outside, is removably installed on gas distribution assembly body, solves valve
Installation question.
The beneficial effect that being configured with the flat twin engine of above-mentioned gas distribution assembly can produce is：It is total by distribution
Into setting, realize effective installation and sealing of double cylinders, and reduce the bags, significantly increase engine
Explosive force, extends the stroke that explosive force can be converted into power, efficiently solves the installation of valve, and cylinder body connection
With the installation of cylinder jacket, and sealing problem is realized.Again due in a state of use, two axis horizontals of the cylinder body and weight
Close, i.e., the two horizontally-opposed settings of cylinder body, in a state of use, the axis of cylinder is vertical, cylinder for existing vertival enegine
Valve be located at cylinder vertical direction top, it is obvious that the present invention in engine can significantly reduce entirety
Highly, such that it is able to reduce vehicle center of gravity, improve the stability of vehicle.
The invention of technical scheme 5, the cylinder body include body, in the body and axis and the body
Cylinder jacket that axis is overlapped and in the cylinder jacket and the work that can be moved along the axis direction of the cylinder jacket
The piston of plug, the gas distribution assembly and two cylinder bodies encloses the combustion chamber for being set as engine.This engine uses two groups of phases
Same toggle, is axis specular installation settings with gas distribution assembly, with equal angular run-in synchronism simultaneously.
This engine has multiple choices in piston proportioning of the formation with cylinder bore, solves and wants to utilize vat in design
Footpath small stroke rotating speed high will reduce moment of torsion, and the technical barrier of power will be reduced using the small cylinder diameter of big stroke, i.e., originally start
Machine can be designed as the engine of huge discharge high compression ratio.In addition, abrasion of this engine to cylinder jacket is smaller, engine makes
With lasting a long time, reason is as follows：When engine works, two pistons share same chamber acting, with same model engine
Compare, it is obvious that in the case of same cylinder diameter, the operation of each piston of flat twin engine away from
From the range ability of the single piston of respectively less than available engine, not only increased power, also reduce piston and cylinder sleeve it
Between abrasion distance, greatly extend the service life of engine.
The invention of technical scheme 6, defines the annexation between body and cylinder jacket, wherein：The first of the body
End is provided with the protuberance offseted with the cylinder jacket, and the second end of the body is provided with the location division that section is L-type.
The invention of technical scheme 7, the first end of the cylinder jacket sets with the part of the contact surface of the protuberance of the body
Inclined-plane is set to, the inclined-plane is acute angle with the angle of the axis of the cylinder.The protrusion of the first end of cylinder jacket and the body
The part of the contact surface in portion is set to inclined-plane, and the identical sealing that can be dramatically increased between body and cylinder jacket is fixed, and increases close
Envelope effect, it is to avoid the water body in cooling chamber between body and cylinder jacket is let out by the gap between body and cylinder jacket
Dew.Second end of the cylinder jacket is provided with stretching into the kink in the L-type space of the location division.Second end of cylinder jacket
Fastening is realized by the cooperation of kink and location division with the second end of body and is sealed, it is to avoid between body and cylinder jacket
Cooling chamber in water body revealed by gap between body and cylinder jacket.
The invention of technical scheme 8, limits the structure type of piston, wherein, the piston include with the cylinder jacket in
Piston main body and the piston convex portion of the combustion chamber protrusion setting to the engine that wall coordinates, the end of the piston convex portion
It is set to bucking ladder structure.When engine operates piston close to top dead centre, valve is in and progressively closes off process, the ladder of piston
Shape protrusion inswept kept man of a noblewoman first step into two taper valve cocked beads it is wider between, be adapted to the relatively wide place of valve, with
Valve-closing, piston reaches top dead centre, and protuberance is integrally adapted to taper valve, and combustion chamber is reduced into minimum, above-mentioned piston
Structure type will under compression be substantially reduced the volume of engine chamber so that combustion chamber produce explosive force obtain
To greatly enhancing.
The invention of technical scheme 9, limits the structure of valve, wherein, the end of the valve is protruded to combustion chamber and is set,
And the valve is adapted with the piston convex portion.The above-mentioned structure type of valve, will be substantially reduced engine chamber
Space, when gaseous mixture is compressed into smaller space, not only increase compression ratio, and increased by fuel in compressed air
Melting concn, make burning more abundant, explosive force is strong, so as to fuel can be saved.
A kind of invention of technical scheme 10, there is provided vehicle, the vehicle includes that the double cylinder opposed type of any of the above-described starts
Machine.Compared with existing engine, the power of the flat twin engine has obtained very big enhancing, so as to substantially increase
The power of vehicle.Also, because two cylinders of flat twin engine are horizontally disposed, so as to significantly reduce engine
Whole height so that the center of gravity of vehicle is reduced, the stability of vehicle is improved.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is double overall structure diagrams with opposed engine provided in an embodiment of the present invention；
Fig. 2 is the structural representation of gas distribution assembly provided in an embodiment of the present invention；
Fig. 3 is the structural representation of gas distribution assembly body provided in an embodiment of the present invention；
Fig. 4 is the structural representation of valve assembly provided in an embodiment of the present invention；
Fig. 5 is the connection diagram of two cylinder bodies provided in an embodiment of the present invention；
Fig. 6 is the structural representation of piston provided in an embodiment of the present invention；
Fig. 7 is the structural representation of the installation site of body provided in an embodiment of the present invention and cylinder jacket.
Icon：100- gas distribution assembly；110- gas distribution assembly bodies；120- valve assemblies；200- cylinder bodies；300- shakes
Arm axle；400- spark plugs；111- through holes；112- valve interfaces；113- cooling ducts；210- bodies；220- cylinder jacket；
230- pistons；211- protuberances；212- location divisions；221- kinks；231- piston main bodies；232- pistons convex portion；
510- glands；520- head gaskets；530- docks screw installing hole；540- is to connected nut；550- docks screw rod.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment 1, embodiment 2 and embodiment 3 are described in detail below in conjunction with the accompanying drawings：
Fig. 1 is the overall structure diagram of flat twin engine provided in an embodiment of the present invention；Fig. 2 is real for the present invention
The structural representation of the gas distribution assembly of example offer is provided；Fig. 3 is the structural representation of gas distribution assembly body provided in an embodiment of the present invention
Figure；Fig. 4 is the structural representation of valve assembly provided in an embodiment of the present invention；Fig. 5 is two cylinders provided in an embodiment of the present invention
The connection diagram of body；Fig. 6 is the structural representation of piston provided in an embodiment of the present invention；Fig. 7 is provided for the embodiment of the present invention
Body and cylinder jacket installation site structural representation.
Embodiment 1
A kind of flat twin engine gas distribution assembly 100 is present embodiments provided, please with reference to Fig. 1 to Fig. 7, including
The gas distribution assembly body 110 between opposite two cylinder body 200 of engine is located in the assembled state, and it is total with distribution
Into the valve assembly 120 that body 110 is detachably connected, wherein：The middle part of gas distribution assembly body 110 is provided with for forming engine
Cylinder chamber through hole 111 and at least two valve interfaces 112 for installing valve assembly 120.
By the setting of gas distribution assembly 100, effective connection of double cylinders is realized, due to being provided with two cylinders, thus
The stroke of the existing engine of stroke ratio of unilateral cylinder is small.On the premise of engine power is constant, bore and stroke is in anti-
Than relation, that is, stroke is reduced, cylinder diameter needs increase, and increasing stroke will cause the power reduction of engine.And the present invention is carried
The stroke of the existing engine of stroke ratio of the unilateral cylinder of the double cylinders for supplying is small, in same displacement and certain limit, can be with
The proportioning to cylinder diameter and stroke is adjusted simultaneously, for example, increase cylinder diameter or increase stroke, with primary motivation comparatively, being chatted
The power or moment of torsion of the engine stated all possess adjustment leeway, also, the adjusting range of cylinder diameter and stroke is wider.
Again due in a state of use, two axis horizontals of the cylinder body 200 and cylinder body 200 of coincidence, i.e., two is horizontally-opposed
Set, in a state of use, the axis of cylinder is vertical for existing vertival enegine, and the valve of cylinder is located at the vertical side of cylinder
To top, it is obvious that the present invention in engine can significantly reduce whole height, such that it is able to reduce vehicle weight
The heart, improves the stability of vehicle.
The structure to gas distribution assembly 100 is described as follows in more detail below：
Gas distribution assembly 100 includes gas distribution assembly body 110 and valve assembly 120, and gas distribution assembly body 110 is in assembling shape
It is detachably connected between opposite two cylinder body 200 of engine and respectively with two cylinder bodies 200 under state, is detachably connected
Connects for example can be to be bolted.In order to be connected with two cylinder bodies 200, screw thread can be offered in gas distribution assembly 100
Hole or through hole 111.In order to be formed and realize seal two cylinder bodies 200 between combustion space, in gas distribution assembly body 110
Portion is provided with through hole 111, and the shape of through hole 111 is specifically set according to the specific needs of the bags.In order to assemble gas
Door component 120, is provided with least two valve interfaces 112 for installing valve assembly 120 in gas distribution assembly 100, preferably set
Put valve interface 112 and be set to two.In order to install spark plug 400, it is provided with for installing spark plug in gas distribution assembly 100
400 mounting hole, spark plug 400 is through above-mentioned mounting hole and partly stretches into combustion chamber.In addition, in order to connect two cylinder bodies 200
Cooling chamber, cooling duct 113 is additionally provided with gas distribution assembly body 110, cooling duct 113 for example could be arranged to ellipse
Circle, oval cooling duct 113 is preferably arranged to two, and two cooling ducts 113 are with the axis of gas distribution assembly body 110
It is symmetrical arranged.The significance of setting cooling duct 113 is in gas distribution assembly 100：Two cylinders of flat twin engine
Body 200 is required to configure cooling system, total in distribution of the invention in order to realize two connections of the cooling system of cylinder body 200
Cooling duct 113 is set on into body 110 so that the cooling system of two cylinder bodies 200 connects to form overall cooling cyclic system
System.The cooling duct 113 is based on gas distribution assembly 100.
The structure to valve assembly 120 is described as follows in more detail below：
Valve assembly 120 preferably includes two valves, and two valves are symmetrical arranged, in the use state of engine
Under, two valves are vertically arranged, also, valve is by stretching into or away from the combustion space of engine to control entering for engine
Gas or exhaust.More preferably, valve includes intake valve and exhaust valve.More preferably, the end of valve is to burning
Room protrusion is set.The above-mentioned structure type of valve will be substantially reduced the combustion space of engine compared with available engine, make
The explosive force for obtaining combustion chamber generation is greatly strengthened.
Embodiment 2
The present embodiment provides a kind of flat twin engine on the basis of embodiment 1, and the engine includes two
Gas distribution assembly 100 in opposite cylinder body 200 and embodiment, wherein, in the assembled state, gas distribution assembly 100 is located at starts
Between opposite two cylinder body 200 of machine.
Set contraposition engine technical barrier be：Distribution and and cylinder how are realized between two cylinder bodies 200
Sealing problem between set 220.Using the structure type that twin-tub is opposed, the connected mode that can be used is that two cylinder bodies 200 are straight
Connect and offset or integrally connected, because cylinder jacket 220 is installed in cylinder body 200 in opposing mirror image, valve is by combustion chamber
Portion outwards installs, and because space is smaller, therefore can not realize installation and the sealing problem of cylinder jacket 220 and valve, or in order to
Set valve actuating mechanism to be connected by seal, loosely, explosive force of the sealing position in combustion chamber is acted on for this connected mode sealing
It is lower to be easy to the danger such as fracture or leakage, if double cylinder opposed type above-mentioned in addition is using integrative-structure, there are two
Valve cannot from inside to outside be installed between cylinder body 200, that is, allow to that the technical problem that valve there is also poor sealing is installed.And
The present invention solves the installation and two of air cylinder sleeve of engine 220 by gas distribution assembly 100 and two assembly and connections of cylinder body 200
The connectivity problem of individual cylinder body 200, while valve is inwardly installed by the mounting hole on gas distribution assembly body 110 by outside, it is removable
It is installed on unloading on gas distribution assembly body 110, solves the installation question of valve.
The beneficial effect that being configured with the flat twin engine of above-mentioned gas distribution assembly 100 can produce is：By matching somebody with somebody
The setting of gas assembly 100, realizes effective installation and sealing of double cylinders, significantly increases the explosive force of engine, extends
Explosive force can be converted into the stroke of power, the installation of valve is efficiently solved, and cylinder body 200 connection and cylinder jacket
220 installation, and realize sealing problem.Again due in a state of use, two axis horizontals of cylinder body 200 and coincidence, i.e.,
The horizontally-opposed setting of two cylinder bodies 200, in a state of use, the axis of cylinder is vertical, cylinder for existing vertival enegine
Valve is located at the top of the vertical direction of cylinder, it is obvious that the engine in the present invention can significantly reduce overall height
Degree, such that it is able to reduce vehicle center of gravity, improves the stability of vehicle.
The shape and structure to cylinder body 200 are described in detail below below：
Cylinder body 200 include body 210, in body 210 and the axis cylinder jacket Chong Die with the axis of body 210
220 and in the cylinder jacket 220 and the piston that can be moved along the axis direction of cylinder jacket 220, gas distribution assembly 100 with
And the piston of two cylinder bodies 200 encloses the combustion chamber for being set as engine.This engine uses two groups of identical toggles, with
Gas distribution assembly 100 is set for axisymmetrical, while synchronous produce relative vibration force, and the size of vibration force is identical.
In addition, this engine there are multiple choices in piston proportioning of the formation with cylinder bore, to solve and think profit in design
Torsion will be reduced with large-diameter small stroke rotating speed high, and the problem of rotating speed, i.e. this hair will be reduced using the small cylinder diameter of big stroke
Motivation can be designed as the engine of huge discharge high compression ratio.In addition, abrasion of this engine to cylinder jacket 220 is smaller, start
The service life of machine is more long, and reason is as follows：When engine works, two pistons share same chamber acting, in same cylinder
In the case of diameter, the range ability of each piston of flat twin engine is respectively less than the single piston of available engine
Range ability, not only increased power, also reduce the abrasion between piston and cylinder sleeve, greatly extend making for engine
Use the life-span.
The connected mode to two cylinder bodies 200 is described in detail below below：
Fig. 1 is refer to, gas distribution assembly 100 is located between two cylinder bodies 200, in order to realize that two the effective of cylinder body 200 connect
Connect, the side wall of body 210 of cylinder body 200 is provided with docking screw installing hole 530, docking screw installing hole 530 passes through gland 510
Sealing, the relative position of two cylinder bodies 200 is provided with head gasket 520, also, two cylinder bodies 200 are connected by docking screw rod 550
Connect, connected nut 540 is entered between body 210 and cylinder jacket 220 by docking screw installing hole 530 for standing screw
Installing space.
The connection and sealing relation between body 210 and cylinder jacket 220 is described in detail below below：
The first end of body 210 is provided with the protuberance 211 offseted with cylinder jacket 220, and the second end of body 210 is provided with
Section is the location division 212 of L-type.The first end of cylinder jacket 220 is set with the local of the contact surface of the protuberance 211 of body 210
It is inclined-plane, inclined-plane is acute angle with the angle of the axis of cylinder.The first end of cylinder jacket 220 connects with the protuberance 211 of body 210
The part of contacting surface is set to the contact area that inclined-plane can be dramatically increased between body 210 and cylinder jacket 220, increases fastening force,
And increase sealing effectiveness, it is to avoid the water body in cooling chamber between body 210 and cylinder jacket 220 by body 210 with
Gap leakage between cylinder jacket 220.Second end of cylinder jacket 220 is provided with stretching into the curved of the L-type space of location division 212
Folding part 221.The cooperation that second end of cylinder jacket 220 and the second end of body 210 pass through kink 221 and location division 212, and profit
Compressed with gas distribution assembly 100, realize fastening and seal, it is to avoid the water in cooling chamber between body 210 and cylinder jacket 220
Body is revealed by the gap between body 210 and cylinder jacket 220.
In addition, cylinder jacket 220 is made from a variety of materials with body 210.Cylinder jacket 220 is with body 210 by unlike material
The significance being made is：Cylinder jacket 220 will not only possess bears high temperature, high pressure, it is necessary to wear-resisting, if using identical material
Matter, is easy to deform upon after by internal high temperature, high pressure, and cylinder jacket 220 will have a strong impact on engine after deforming upon
Normal operation.Therefore cylinder jacket 220 and body 210 are set to unlike material, improve the radiating of cylinder jacket 220 and wear-resisting
Property, so as to not interfere with the normal operation of engine, extend the service life of engine.
Increase the explosive force of engine to reduce the bags, the present embodiment to the shape of piston 230 and valve and
Structure has made following improvement,
Wherein：
Piston 230 includes the piston main body 231 coordinated with the inwall of cylinder jacket 220 and is set to the combustion chamber protrusion of engine
The piston convex portion 232 put, the end of piston convex portion 232 is set to bucking ladder structure.The above-mentioned structure type of piston 230 will be
The volume of engine chamber is substantially reduced under compressive state, so that the explosive force that combustion chamber produces greatly is increased
By force.
The end of valve is protruded to combustion chamber and is set, and valve is adapted with piston convex portion 232.The above-mentioned knot of valve
Configuration formula will under compression be substantially reduced the volume of engine chamber, and be adapted with piston raised side, so that
The explosive force for obtaining combustion chamber generation is greatly strengthened.
When engine operates piston 230 close to top dead centre, valve is in and progressively closes off process, piston 230 it is trapezoidal
Protrusion inswept kept man of a noblewoman first step into two taper valve cocked beads it is wider between, be adapted to the relatively wide place of valve, with
Valve-closing, piston 230 reaches top dead centre, and protuberance 211 is overall to be adapted to taper valve, and combustion chamber is reduced into minimum, above-mentioned
The structure type of piston 230 will under compression be substantially reduced the volume of engine chamber, so that what combustion chamber produced
Explosive force is greatly strengthened.
In addition, the setting height(from bottom) in order to further reduce engine, in this programme, for controlling shaking for valve event
Arm axle 300 is biased, and the biasing of rocker arm shaft 300 directly can engage power taking with nearer positioning gear using shaft end gear, save just
When belt and timing chain structure, while significantly reducing whole height, reduce the height of C.G. of vehicle, improve vehicle operation
Stationarity.
It should be noted that the side away from combustion chamber of valve is provided with valve guide bushing, the free end of valve guide bushing connects
The rocker arm shaft 300 for controlling valve event is connect, rocker arm shaft 300 can be driven by cam structure, certainly, the knot of rocker arm shaft 300
Structure can also be driven by other structures.In this programme, intake valve and exhaust valve pass through single cam rocker arm axle 300
Structure drives.It is readily apparent that the setting height(from bottom) of engine can be significantly reduced using the structure that rocker arm shaft 300 is biased.
Also, it should be noted that being provided with oil pump in the cylinder body 200 of engine, profit is provided with gas distribution assembly body 110
Grease way is connecting the oil piping systems that the oil circuits of two cylinder bodies 200 form communication type.
Embodiment 3
A kind of vehicle is present embodiments provided, the vehicle includes the flat twin engine in embodiment 2.With it is existing
Engine is compared, and the explosive force of the flat twin engine has obtained very big enhancing, so as to substantially increase the dynamic of vehicle
Power.Also, because two cylinders of flat twin engine are horizontally disposed, the whole height of engine is significantly reduced, made
The center of gravity for obtaining the vehicles such as vehicle is reduced, and the stability of the vehicle such as vehicle is strengthened.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of flat twin engine gas distribution assembly, it is characterised in that be included under assembled state and be located at the phase of engine
Gas distribution assembly body (110) between two opposed cylinder bodies (200), and it is detachable with the gas distribution assembly body (110)
The valve assembly (120) of connection, wherein：
Gas distribution assembly body (110) middle part is provided with the gas for cooperatively forming engine with two cylinder bodies (200)
The through hole (111) of cylinder chamber and at least two valve interfaces (112) for installing valve assembly (120)；
In a state of use, two axis horizontals of the cylinder body (200) and coincidence.
2. gas distribution assembly according to claim 1, it is characterised in that be provided with energy on the gas distribution assembly body (110)
Enough connect two cooling ducts (113) of the cooling chamber of the cylinder body (200).
3. gas distribution assembly according to claim 1, it is characterised in that the rocker arm shaft for controlling the valve event
(300) bias to reduce whole height.
4. a kind of flat twin engine, it is characterised in that including two opposite cylinder bodies (200), and as right will
Seek the gas distribution assembly (100) being detachably connected with two cylinder bodies (200) described in 1 or 2.
5. engine according to claim 4, it is characterised in that the cylinder body (200) is including body (210), positioned at institute
State in body (210) and the axis cylinder jacket (220) Chong Die with the axis of the body (210) and positioned at the gas
In cylinder sleeve (220) and the piston (230) that can be moved along the axis direction of the cylinder jacket (220), the gas distribution assembly
And the piston (230) of two cylinder bodies (200) encloses the combustion chamber for being set as engine (100).
6. engine according to claim 5, it is characterised in that
The first end of the body (210) is provided with the protuberance (211) offseted with the cylinder jacket (220), the body
(210) the second end is provided with the location division (212) that section is L-type.
7. engine according to claim 6, it is characterised in that
The first end of the cylinder jacket (220) is set to tiltedly with the part of the contact surface of the protuberance (211) of the body (210)
Face, and the inclined-plane and the angle of the axis of the cylinder are acute angle；Second end of the cylinder jacket (220) is provided with
Stretch into the kink (221) in the L-type space of the location division (212).
8. engine according to claim 5, it is characterised in that
The piston (230) is including the piston main body (231) that coordinates with the cylinder jacket (220) inwall and to the engine
Combustion chamber protrusion set piston convex portion (232), the end of the piston convex portion (232) is set to bucking ladder structure.
9. engine according to claim 8, it is characterised in that
The end of the valve is protruded to combustion chamber and is set, and the valve is adapted with the piston convex portion (232).
10. a kind of vehicle, it is characterised in that including the flat twin engine as described in claim any one of 4-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247600.1A CN106837542A (en) | 2017-04-14 | 2017-04-14 | Flat twin engine gas distribution assembly, engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247600.1A CN106837542A (en) | 2017-04-14 | 2017-04-14 | Flat twin engine gas distribution assembly, engine and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106837542A true CN106837542A (en) | 2017-06-13 |
Family
ID=59148291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710247600.1A Pending CN106837542A (en) | 2017-04-14 | 2017-04-14 | Flat twin engine gas distribution assembly, engine and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837542A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07253043A (en) * | 1994-03-15 | 1995-10-03 | A D D:Kk | Cylinder liner fixing method |
| CN1668832A (en) * | 2002-05-15 | 2005-09-14 | 瓦尔特·施米德 | Reciprocating internal combustion engine |
| CN201106496Y (en) * | 2007-09-18 | 2008-08-27 | 奇瑞汽车股份有限公司 | Engine cylinder of mounting cylinder jacket |
| CN102644508A (en) * | 2012-05-09 | 2012-08-22 | 李玉龙 | Two-stroke opposed-piston diesel engine |
| CN102852639A (en) * | 2011-08-19 | 2013-01-02 | 摩尔动力(北京)技术股份有限公司 | Opposed-piston engine |
| CN203214226U (en) * | 2013-05-03 | 2013-09-25 | 贝克曼.马克.大卫 | Sparking plug arrangement form of engine with opposed pistons |
| CN103925083A (en) * | 2014-04-22 | 2014-07-16 | 北京福田戴姆勒汽车有限公司 | Engine and vehicle with same |
| CN204082246U (en) * | 2014-09-09 | 2015-01-07 | 欧金阳 | The structure of a kind of piston-engined valve and piston |
| WO2016160340A1 (en) * | 2015-03-31 | 2016-10-06 | Achates Power, Inc. | Cylinder liner for an opposed-piston engine |
| CN206655740U (en) * | 2017-04-14 | 2017-11-21 | 董振宝 | Flat twin engine gas distribution assembly, engine and vehicle |
-
2017
- 2017-04-14 CN CN201710247600.1A patent/CN106837542A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07253043A (en) * | 1994-03-15 | 1995-10-03 | A D D:Kk | Cylinder liner fixing method |
| CN1668832A (en) * | 2002-05-15 | 2005-09-14 | 瓦尔特·施米德 | Reciprocating internal combustion engine |
| CN201106496Y (en) * | 2007-09-18 | 2008-08-27 | 奇瑞汽车股份有限公司 | Engine cylinder of mounting cylinder jacket |
| CN102852639A (en) * | 2011-08-19 | 2013-01-02 | 摩尔动力(北京)技术股份有限公司 | Opposed-piston engine |
| CN102644508A (en) * | 2012-05-09 | 2012-08-22 | 李玉龙 | Two-stroke opposed-piston diesel engine |
| CN203214226U (en) * | 2013-05-03 | 2013-09-25 | 贝克曼.马克.大卫 | Sparking plug arrangement form of engine with opposed pistons |
| CN103925083A (en) * | 2014-04-22 | 2014-07-16 | 北京福田戴姆勒汽车有限公司 | Engine and vehicle with same |
| CN204082246U (en) * | 2014-09-09 | 2015-01-07 | 欧金阳 | The structure of a kind of piston-engined valve and piston |
| WO2016160340A1 (en) * | 2015-03-31 | 2016-10-06 | Achates Power, Inc. | Cylinder liner for an opposed-piston engine |
| CN206655740U (en) * | 2017-04-14 | 2017-11-21 | 董振宝 | Flat twin engine gas distribution assembly, engine and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103321744B (en) | No-cylinder-cover double-combustion-chamber horizontal type four-stroke internal combustion engine | |
| CN203906107U (en) | Combined type air cylinder cover and internal combustion engine body | |
| US20140102418A1 (en) | Opposed piston engine with non-collinear axes of translation | |
| CN103925102B (en) | Composite cylinder cover | |
| CN206655740U (en) | Flat twin engine gas distribution assembly, engine and vehicle | |
| JP4944131B2 (en) | Two-cycle internal combustion engine with variable compression ratio and exhaust port shutter | |
| US20220154604A1 (en) | Internal combustion engine system | |
| US8281764B2 (en) | Half cycle eccentric crank-shafted engine | |
| CN106837542A (en) | Flat twin engine gas distribution assembly, engine and vehicle | |
| CN103993958A (en) | Energy-saving and environment-friendly type high-power locomotive diesel engine | |
| CN106870189A (en) | A kind of integrated block structure | |
| CN85100321A (en) | Diesal engine with oil-cushioned piston | |
| CN103742263B (en) | Connecting rod piston formula combined burning room is without dead point Reciprocatory internal-combustion engine | |
| CN102518527B (en) | Small utility gasoline engine cylinder head and petrol engine thereof | |
| CN201972794U (en) | Engine with variable compression ratio | |
| CN103867296B (en) | Petrol engine | |
| CN112664335B (en) | Gasoline engine combustion system and method for matching rolling flow intensity of gasoline engine under different working conditions | |
| CN203962154U (en) | A kind of energy saving and environment friendly high-power locomotive diesel engine | |
| CN205689266U (en) | Controlled elasticity internal combustion engine | |
| CN205714344U (en) | Controlled elasticity internal combustion engine | |
| CN103850790B (en) | Without dead point reciprocating internal combustion engine | |
| CN219139207U (en) | Cylinder cover structure of three-cylinder diesel engine | |
| CN201925010U (en) | Special HCCI engine | |
| CN205714458U (en) | Controlled elasticity internal combustion engine | |
| CN203702338U (en) | Dead-point-free reciprocating internal combustion engine with connecting rod piston type combination combustor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |