CN208281049U - piston shaft assembly - Google Patents

Abstract

The utility model relates to engine component fields, in particular to piston shaft assembly；It includes shaft, key, core frame, dynamic screw-casing, quiet screw-casing and piston assembly；Core erection is equipped with shaft lever hole, and shaft is set to the inside of shaft lever hole, and key is set to the inside of shaft lever hole, and shaft and key stationary fit；Dynamic screw-casing and quiet screw-casing are all set in the both ends of core frame, and shaft stretches out dynamic screw-casing and quiet screw-casing；Piston assembly is set to the side wall of core frame；The piston shaft assembly can be set in the engine with inner cylinder body and outer cylinder body, piston shaft assembly can be set in inner cylinder body, and the rotational kinetic energy of the piston assembly in piston shaft assembly can pass to inner cylinder body, and sealing can be realized using piston assembly, so as to reduce the energy loss of engine using piston shaft assembly, energy is made full use of, the utilization rate of fuel is improved, improves the performance of engine.

Description

Piston shaft assembly

Technical field

The utility model relates to engine component fields, in particular to piston shaft assembly.

Background technique

Reciprocating piston internal combustion engine (fuel oil, combustion gas spark-ignition engine) is to be by thermal energy caused by fuel combustion The engine of mechanical energy；Commonly used spark-ignition engine now, still follows Alto circulation, i.e., air inlet, calm the anger, do work And four strokes of exhaust, the combustion system of the mixed gas of compression are discharged by sparking-plug electrode, light mixture combustion, four punchings The cylinder internal volume of journey changes, and is to drive piston motion to realize by crank connecting link, four stroke operation of spark-ignition engine is former Reason is, when induction stroke starts, inlet valve is opened, exhaust valve closing, and piston is mobile from top dead centre to lower dead center, piston Top forms certain vacuum degree, and then, combustion mixture is inhaled into cylinder through inlet manifold, inlet valve, when piston reaches lower stop Point, IC Intake Valve Closes；Compression stroke, when induction stroke ends, piston is mobile from lower dead center to top dead centre, inlet and outlet at this time Door is turned off, and the continuous diminution of volume of cylinder, temperature and pressure constantly increases, until when piston reaches top dead centre.It is related The energy loss of technology is larger, it is difficult to make full use of to energy.

Utility model content

The purpose of this utility model is to provide a kind of piston shaft assembly, which can be set to inner casing In the engine of body and outer cylinder body, piston shaft assembly can be set in inner cylinder body, and the piston assembly in piston shaft assembly Rotational kinetic energy can pass to inner cylinder body, and sealing can be realized using piston assembly, so as to utilize piston shaft Component reduces the energy loss of engine, makes full use of energy, improves the utilization rate of fuel, improves the performance of engine.

The embodiments of the present invention are achieved in that

A kind of piston shaft assembly comprising shaft, key, core frame, dynamic screw-casing, quiet screw-casing and piston assembly；Core frame It is provided with shaft lever hole, shaft is set to the inside of shaft lever hole, and key is set to the inside of shaft lever hole, and shaft and key stationary fit；It is dynamic Screw-casing and quiet screw-casing are all set in the both ends of core frame, and shaft stretches out dynamic screw-casing and quiet screw-casing；The setting of piston assembly In the side wall of core frame.

In the utility model preferred embodiment:

Above-mentioned piston shaft assembly further includes the first sealing ring, and the first sealing ring is located between dynamic screw-casing and core frame.

In the utility model preferred embodiment:

Above-mentioned piston shaft assembly further includes the second sealing ring, and the second sealing ring is located between quiet screw-casing and core frame.

In the utility model preferred embodiment:

Above-mentioned piston shaft assembly further includes spring, and the both ends of spring are separately connected dynamic screw-casing and quiet screw-casing, spring energy Enough across core frame.

In the utility model preferred embodiment:

Above-mentioned piston shaft assembly further includes that tension spring is sat, and it includes bottom plate and pull ring that tension spring, which is sat, and pull ring is set to bottom plate；Dynamic spiral The end wall of set is provided with long hole, and tension spring seat is set to dynamic screw-casing, and bottom plate is located at the end wall of dynamic screw-casing far from quiet screw-casing Side, pull ring pass through long hole and connect with spring.

In the utility model preferred embodiment:

The end wall of above-mentioned quiet screw-casing is provided with drag hook, and spring is connect far from one end that tension spring is sat with drag hook.

In the utility model preferred embodiment:

Above-mentioned piston shaft assembly further includes bevel type gear, and piston assembly physical efficiency passes through the side wall of core frame and is set in core frame The bevel type gear in portion connects.

In the utility model preferred embodiment:

Above-mentioned piston assembly includes piston and valve component, and valve component is set to the inside of piston, and valve component Piston can be stretched out from the bottom of piston, the one end at top of the valve component far from piston is connect with bevel type gear.

In the utility model preferred embodiment:

Above-mentioned piston includes piston only, piston top cover, the first set square component and the second set square component, piston top cover It is set to the top of piston only, the first set square component and the second set square component are respectively arranged at the two sides of piston only, And first set square component be configured as entering the motion path of piston earlier than the second set square component；Wherein, the first set square Component includes the first set square, the second set square and third set square, and the second set square and third set square are respectively arranged at the The two sides of one set square；Second set square component includes the 4th set square, the 5th set square and the 6th set square, the 4th set square The two sides of the 5th set square are respectively arranged at the 6th set square；The bottom end of first set square offers the first stomata, and the five or three The top of gusset offers the second stomata.

In the utility model preferred embodiment:

Above-mentioned valve component includes valve top cover, valve body, valve core, valve pocket, hollow bolt, bearing and ventilation axis；Valve body One end and one end of hollow bolt connect, valve body is located at the inside of piston, and hollow bolt stretching piston, valve core is set to valve The inside of body, valve top cover are set to the one end of valve core far from hollow bolt；Valve pocket is set to the outside of valve core, and is located at The inside of valve body, ventilation axis are set to the inside of hollow bolt, and axis of taking a breath close to one end of valve body and valve pocket close to hollow spiral shell One end of bolt connects, and bearing holder (housing, cover) is set to the outside of ventilation axis, and bearing is located at the inside of hollow bolt；The side wall of valve body is provided with Air inlet pipe and an air outlet pipe, air inlet pipe are connected to the second stomata, and escape pipe is connected to the first stomata；Valve core is internally provided with tiltedly Device to hole, the side wall of valve pocket are provided with air inlet and air outlet, and air inlet is connected to air inlet pipe, and gas outlet is connected to escape pipe, tiltedly First opening of device to hole is connected to air inlet, and the second opening of oblique device to hole is connected to gas outlet.

The beneficial effect of the piston shaft assembly of the utility model embodiment is: the piston shaft assembly of the utility model embodiment It can be set in the engine with inner cylinder body and outer cylinder body, piston shaft assembly can be set in inner cylinder body, and piston shaft The rotational kinetic energy of piston assembly in component can pass to inner cylinder body, and can realize sealing using piston assembly, So as to reduce the energy loss of engine using piston shaft assembly, energy is made full use of, the utilization rate of fuel is improved, is improved The performance of engine.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the perspective view of the explosion one of piston shaft assembly in the utility model embodiment；

Fig. 2 is the perspective view of the explosion two of piston shaft assembly in the utility model embodiment；

Fig. 3 is the cross-sectional view of piston assembly in the utility model embodiment；

Fig. 4 is the structural schematic diagram of the first set square component in the utility model embodiment；

Fig. 5 is the partial structure diagram of piston assembly in the utility model embodiment；

Fig. 6 is the structural schematic diagram of latch plate in the utility model embodiment；

Fig. 7 is the structural schematic diagram of inner cylinder body in the utility model embodiment；

Fig. 8 is the structural schematic diagram of outer cylinder body, inner cylinder body and piston shaft assembly in the utility model embodiment.

Icon: 010- piston shaft assembly；101- shaft；102- key；100- core frame；110- moves screw-casing；The quiet spiral of 120- Set；200- piston assembly；103- shaft lever hole；The first sealing ring of 111-；The second sealing ring of 121-；130- spring；131- tension spring It sits；132- long hole；133- drag hook；140- bevel type gear；210- piston；220- valve component；211- piston only；212- piston Top cover；230- the first set square component；240- the second set square component；The first set square of 231-；The second set square of 232-；233- Third set square；The 4th set square of 241-；The 5th set square of 242-；The 6th set square of 243-；The first stomata of 234-；244- second Stomata；221- valve top cover；222- valve body；223- valve core；224- valve pocket；225- hollow bolt；226- bearing；227- ventilation Axis；251- air inlet pipe；252- escape pipe；The oblique device to hole of 253-；254- air inlet；The gas outlet 255-；260- balanced component；261- One lever；The second lever of 262-；First body of rod of 263-；264- plug connector；The first connecting hole of 265-；Second body of rod of 266-；267- Inlay card part；The second connecting hole of 268-；271- equilibrium cam；272- connecting rod；273- cam path；280 latch plates；281- connection Hole；300- inner cylinder body；400- outer cylinder body；310- first end cover；320- second end cover；330- annular sleeve；The first notch of 331- end； The second notch of 332- end；410- spark plug.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the utility model embodiment, it should be noted that term " on ", "lower", "left", "right", "inner", The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings or the utility model product The orientation or positional relationship usually put when use, is merely for convenience of describing the present invention and simplifying the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage Solution is limitations of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage Solution is indication or suggestion relative importance.

In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art Language " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition Concrete meaning in the present invention.

Referring to Fig.1 and 2, the present embodiment provides a kind of piston shaft assemblies 010 comprising shaft 101, key 102, core frame 100, screw-casing 110, quiet screw-casing 120 and piston assembly 200 are moved；Core frame 100 is provided with shaft lever hole 103, and shaft 101 is arranged In the inside of shaft lever hole 103, key 102 is set to the inside of shaft lever hole 103, and shaft 101 and 102 stationary fit of key；Dynamic screw-casing 110 and quiet screw-casing 120 be all set in the both ends of core frame 100, shaft 101 stretches out dynamic screw-casing 110 and quiet screw-casing 120；It is living Plug assembly 200 is set to the side wall of core frame 100；The stationary fit of shaft 101 and key 102 be digital 102 with shaft 101 together Rotation drives core frame 100, dynamic screw-casing 110 and quiet screw-casing 120 to rotate together when shaft 101 and key 102 rotate together, Preferably, it is provided with inserting groove in shaft 101 and core frame 100, the both ends of key 102 are plugged in shaft 101 and core frame 100 respectively Inserting groove in.

The piston shaft assembly 010 of the present embodiment further includes the first sealing ring 111, and the first sealing ring 111 is located in dynamic spiral Between set 110 and core frame 100；Further, piston shaft assembly 010 further includes the second sealing ring 121, the second sealing ring 121 folder Between quiet screw-casing 120 and core frame 100；Dynamic spiral can be improved in the setting of first sealing ring 111 and the second sealing ring 121 Leakproofness between set 110, quiet screw-casing 120 and core frame 100, prevents oil seepage.

The piston shaft assembly 010 of the present embodiment further includes spring 130, and the both ends of spring 130 are separately connected dynamic screw-casing 110 With quiet screw-casing 120, spring 130 can pass through core frame 100；Further, piston shaft assembly 010 further includes that tension spring sits 131, is drawn It includes bottom plate and pull ring that spring, which sits 131, and pull ring is set to bottom plate；The end wall of dynamic screw-casing 110 is provided with long hole 132, and tension spring sits 131 It is set to dynamic screw-casing 110, bottom plate is located at the end wall of dynamic screw-casing 110 far from the side of quiet screw-casing 120, and pull ring passes through long hole 132 connect with spring 130, and when piston shaft assembly 010 is run, the bottom plate provided with pull ring can be along the length side of long hole 132 To sliding；Still further, the end wall of quiet screw-casing 120 is provided with drag hook 133, spring 130 far from tension spring sit 131 one end with Drag hook 133 connects；The setting of spring 130 can anti-stop screw-casing 110 and quiet screw-casing 120 it is self-locking in operation.

Referring to figure 2., the piston shaft assembly 010 of the present embodiment further includes bevel type gear 140, and piston assembly 200 can be worn The side wall for crossing core frame 100 is connect with the bevel type gear 140 being set to inside core frame 100；The rotary power of bevel gear is turned with 1:1's Speed passes to piston assembly 200.

Referring to figure 3. to Fig. 5, above-mentioned piston assembly 200 includes piston 210 and valve component 220, valve component 220 It is set to the inside of piston 210, and valve component 220 can stretch out piston 210 from the bottom of piston 210, valve component 220 is separate The one end at the top of piston 210 is connect with bevel type gear 140, and the rotary power of bevel gear passes to valve body group with the revolving speed of 1:1 Part 220；Further, piston 210 includes piston only 211, piston top cover 212, the first set square component 230 and the second triangle Board group part 240, piston top cover 212 are set to the top of piston only 211, the first set square component 230 and the second triangle board group Part 240 is respectively arranged at the two sides of piston only 211, and the first set square component 230 is configured as earlier than the second triangle board group Part 240 enters the motion path (motion profile for successively passing through b, c, d in Fig. 8 from a) of piston 210；Wherein, the first triangle board group Part 230 includes the first set square 231, the second set square 232 and third set square 233, the second set square 232 and third set square 233 are respectively arranged at the two sides of the first set square 231；Second set square component 240 includes the 4th set square 241, the 5th triangle Plate 242 and the 6th set square 243, the 4th set square 241 and the 6th set square 243 are respectively arranged at the two of the 5th set square 242 Side；The bottom end of first set square 231 offers the first stomata 234, and the top of the 5th set square 242 offers the second stomata 244； It should be noted that the side side of the separate piston 210 of above-mentioned first set square component 230 and the second set square component 240 To be recessed, i.e. the first set square component 230 and the second set square component 240 are arc panel component, and the first triangle board group The outer cylinder of first set square 231, the second set square 232 and third set square 233 is same cylinder, the second triangle in part 230 The outer cylinder of the 4th set square 241, the 5th set square 242 and the 6th set square 243 in board group part 240 is also same cylinder； So set, the inner cylinder body 300 for being conducive to piston 210 and engine cooperates, so that the first set square component 230 of piston 210 It can realize and seal with the contact site of inner cylinder body 300 with the second set square component 240；Second stomata 244 can be in piston 210 In piston 210, when piston 210 is run piston 210 is discharged in the gas in piston 210 by the first stomata 234 for air inlet when operation, Realize the decompression of piston 210.

Referring to figure 3., the valve component 220 in the present embodiment includes valve top cover 221, valve body 222, valve core 223, valve Set 224, hollow bolt 225, bearing 226 and ventilation axis 227；One end of valve body 222 is connect with one end of hollow bolt 225, valve Body 222 is located at the inside of piston 210, and hollow bolt 225 stretches out piston 210, and valve core 223 is set to the inside of valve body 222, valve Door top cover 221 is set to the one end of valve core 223 far from hollow bolt 225；Valve pocket 224 is set to the outside of valve core 223, and Positioned at the inside of valve body 222, axis 227 of taking a breath is set to the inside of hollow bolt 225, and axis 227 of taking a breath is close to the one of valve body 222 End is connect with valve pocket 224 close to one end of hollow bolt 225, and bearing 226 is sheathed on the outside of ventilation axis 227, and 226, bearing In the inside of hollow bolt 225；The side wall of valve body 222 is provided with air inlet pipe 251 and escape pipe 252, air inlet pipe 251 and the second gas Hole 244 is connected to, and escape pipe 252 is connected to the first stomata 234；Valve core 223 is internally provided with oblique device to hole 253, valve pocket 224 Side wall is provided with air inlet 254 and gas outlet 255, and air inlet 254 is connected to air inlet pipe 251, gas outlet 255 and escape pipe 252 First opening of connection, oblique device to hole 253 is connected to air inlet 254, and the second opening of oblique device to hole 253 is connected to gas outlet 255；Valve The setting of body component 220 can be improved the intensity of piston 210, and when piston 210 is run, gas can be from the second stomata 244 Into valve component 220 and sequentially pass through air inlet pipe 251, the opening of air inlet 254, first, the second opening, gas outlet 255, outlet Pipe 252 and the first port are pierced by piston 210 from valve component 220, realize the decompression of piston 210.

Referring to figure 4., the piston assembly 200 in the present embodiment further includes balanced component 260, and balanced component 260 is arranged It is used to be arranged the side wall of the first set square component 230 in piston only 211, and balanced component 260 is located remotely from the first set square The side of component 230；In detail, balanced component 260 includes balanced lever, and balanced lever is set to the side wall of piston only 211； Further, balanced lever includes the first lever 261 and the second lever 262, and the first lever 261 and the overlapping of the second lever 262 are set It sets, the first lever 261 and the second lever 262 are connect with the side wall of piston only 211；Still further, the first lever 261 wraps First body of rod 263 and plug connector 264 are included, plug connector 264 is set to one end of first body of rod 263, and first body of rod 263 is far from grafting One end of part 264 is provided with the first connecting hole 265；Second lever 262 and plug connector 264 are mating；Second lever 262 includes Second body of rod 266 and inlay card part 267, inlay card part 267 are set to one end of second body of rod 266, and second body of rod 266 is far from inlay card part 267 one end is provided with the second connecting hole 268；First lever 261 is engaged by clamping with inlay card part 267.The setting of balanced component 260 The first set square component 230 can be made to the power of axis direction slightly larger than the first set square component 230 when piston 210 is run Centrifugal force, so that the first set square component 230 reaches balance when piston 210 is run.

Balanced component 260 in the present embodiment further includes the company of equilibrium cam 271 with the side wall for being set to equilibrium cam 271 Extension bar 272, the first set square component 230 offer cam path 273, and the side wall of piston only 211 offers axis hole；Equilibrium cam 271 are set in cam path 273, and connecting rod 272 sequentially passes through axis hole and the second connecting hole 268, and connecting rod 272 is far from stabilizer tab One end of wheel 271 is connect with nut；It should be noted that the side wall setting of the first set square component 230 is arranged in piston 210 The quantity of equilibrium cam 271 is two, and each equilibrium cam 271 is both provided with a connecting rod 272, one of them is set to the Two set squares 232, another is set to third set square 233, the structure of two equilibrium cams 271 and connects with other components The mode connect is similar, please refers to foregoing description.It should be further noted that the second triangle is arranged in piston 210 in the present embodiment The side wall of board group part 240 is also equipped with balanced component 260, and structure please refers to above, and details are not described herein.

Fig. 1, Fig. 2 and Fig. 6 are please referred to, is also set up in the core frame 100 of the present embodiment there are two latch plate 280, each spring One end of plate 280 is disposed in proximity to the position of the shaft lever hole 103 of core frame 100, and the other end extends to the side wall of core frame 100, and two The angle of the axis of latch plate 280 is 180 °；When piston 210 is run, latch plate 280 has effect in the radial direction of core frame 100 Power, in this way, which can use latch plate 280 offsets the power that spring 130 inwardly pulls screw-casing 110 and quiet screw-casing 120.It is excellent Selection of land, latch plate 280 are provided with connection ring close to one end of the shaft lever hole 103 of core frame 100, are plugged in connecting hole using bolt 281 and core frame 100 on, can be realized latch plate 280 in the connection of core frame 100.

The application of piston shaft assembly 010 and beneficial effect are: please referring to Fig. 7 and Fig. 8, the piston shaft assembly of the present embodiment 010 is set in the inner cylinder body 300 of engine, and the outer cover of inner cylinder body 300 is equipped with outer cylinder body 400, the column jacket of inner cylinder body 300 Face and the inner cylinder of outer cylinder body 400 are tangent, and when shaft 101 in piston shaft assembly 010 and key 102 rotate, are able to drive core Frame 100 and the piston assembly 200 for being set to 100 side wall of core frame rotate together；Inner cylinder body 300 includes first end cover 310, second End cap 320 and the notched annular sleeve 330 being set between first end cover 310 and second end cover 320 (C-shaped set), piston When shaft assembly 010 is set to the inside of inner cylinder body 300, the shaft 101 of piston shaft assembly 010 and the central axis weight of inner cylinder body 300 Folded, piston 210 can be stretched out from the indentation, there of notched annular sleeve 330, when the piston 210 of piston shaft assembly 010 is with axis When bar 101 rotates, the notched annular sleeve 330 that piston 210 is able to drive inner cylinder body 300 rotates together, i.e., piston 210 can It drives inner cylinder body 300 in the inner rotation of outer cylinder body 400, and is eccentric rotary；It is set to the first set square of 210 side wall of piston Component 230 and the second set square component 240 are when piston 210 is rotated around shaft 101 on the indentation, there of annular sleeve 330 is continuous Lower movement (moves up and down and refers to piston 210 towards close to mobile and towards separate inner cylinder body 300 the inside shifting in the inside of inner cylinder body 300 It is dynamic)；Piston 210 is when the opening of 300 annular sleeve 330 of inner cylinder body is mobile, the first set square of 210 two side walls of piston setting Component 230 and the second set square component 240 always with the first notch end 331 of the opposite end of 330 indentation, there of annular sleeve and Two notch ends 332 abut, to provide the leakproofness of inner cylinder body 300 when engine is run, benefit using the piston shaft assembly 010 The energy loss that engine is reduced with piston shaft assembly 010, makes full use of energy, improves the utilization rate of fuel, improves engine Performance.

Fig. 7 and Fig. 8 are please referred to, the working principle that the engine of the piston shaft assembly 010 is arranged is: 300 column jacket of inner cylinder body Face and the inner cylinder of outer cylinder body 400 are tangent, and scant length can be a quarter of the fan-shaped arc length of core frame 100 to two points One of between, inner cylinder body 300 is driven by piston 210, when piston 210 rotate when, driving inner cylinder body 300 rotate in same direction, due to interior The eccentric effect of cylinder body 300 and outer cylinder body 400, rotates inner cylinder body 300 and 400 cavity volume of outer cylinder body with piston 210 And change, inner cylinder body 300 and outer cylinder body 400 are divided corresponding function cavity by piston 210, and it is empty that piston 210 divides inner cylinder body 300 Chamber, the movement of piston 210 front be compaction cavum (in Fig. 8, the direction of motion of piston 210 is that the direction b, c, d is successively turned to from a, And air-breathing is carried out when rotating b from a, and light a fire between a, b using spark plug 410, it is compressed during turning to c from b, Do work during c turns to d, be finally vented during d turns to a, thus complete a stroke), piston 210 is transported Dynamic rear is air inlet cavity, and piston 210 divides outer cylinder body 400, and the front that piston 210 moves is exhaust cavity, and piston 210 is transported Dynamic rear is acting cavity, is functional status before and after cavity that piston 210 is inswept, realize respectively air inlet, compression, acting, It is vented four strokes, intake process, when incision inferius is crossed in 210 acting face of piston, due to wobbler action, the end cap of inner cylinder body 300 The driven screw-casing 110 of air inlet, 120 two sides of quiet screw-casing are removed, and air inlet gradually opens wide, and mixed gas enters inner cylinder body 300, mixed gas is entered by the first end cover 310 and second end cover 320 of 300 two sides of inner cylinder body, and therefore, gas is formed pair Claim shape spiral air flow, mist state fuel can with fresh air carry out it is secondary mix, so that gaseous mixture is become more uniform, promote burning Efficiency, air inlet terminates when incision inferius is crossed in face of doing work after piston 210 again, and air inlet corner is close to 350 ° at this time, inflationtime compared with Plunger type engine air inlet corner extends 60%, improves volumetric efficiency；It calms the anger process, beginning of calming the anger when air inlet closes to an end, 210 acting face of piston goes to point before secant, and scavenging air valve in piston 210 is opened, compressed gaseous mixture by scavenging air valve into Enter combustion chamber, piston 210 at this moment tends to acting state, and 210 stress surface of discharge chambe piston is gradually reduced, when combustion chamber and compression When room volume is equal, compression ratio reaches maximum value, 11:1~12:1, and (compression ratio is determined by 210 width value of piston) works as piston 210 deflation areas are calmed the anger end when going to incision inferius；Acting process, acting process and compression process have an overlap period, work as piston When ventilation axis 227 in 210 is opened, gaseous mixture enters combustion chamber, and the outer cylinder sheath inner cylinder of combustion chamber is equipped with collecting plate, outer cylinder sheath And it sets and leads to spark plug 410 there are two groove, so that gaseous mixture touches spark plug 410 in advance, outer cylinder body 400 is equipped with three pairs Spark plug 410, first pair of spark plug 410 are conventional ignition, and second pair and third are cold start-up auxiliary firing to spark plug 410, When cold start-up, three pairs of spark plugs 410 are lighted a fire simultaneously, to guarantee to obtain biggish ignition energy in cold start-up, are reached to engine To after normal working temperature, first pair of spark plug 410 can meet ignition condition, and under engine cold state, gaseous mixture is by fire 410 igniting of flower plug, after engine operation preheats tens of seconds, collecting plate assembles heat from mixture combustion makes the temperature of collecting plate It increasing rapidly, compressed gaseous mixture rapidly gasifies after touching red-hot collecting plate, and so that gaseous mixture is in the critical state of burning, Spark plug 410 is lighted a fire simultaneously, and subsequent flame front, which is lighted, constantly enters the compressed gaseous mixture in combustion chamber, and the speed of burning is remote Higher than traditional combustion engine, burning velocity under high revolving speed is close to the velocity of sound, when collecting plate reaches rated value, the mode lighted by Collecting plate and spark plug 410 carry out simultaneously, realize that multi-point spark, the high pressure gas of burning push piston 210 to rotate, work as piston When 210 acting faces go to incision inferius, piston 210 is in this corner phase, and do work volume and the effectively acting area of piston 210 for combustion chamber The ratio between set, improve 20% combustion utilization efficiency compared with conventional engines, piston 210 continues to go to outer cylinder sheath will equipped with exhaust ports When exhaust, acting volume at this time is 1.6 times of admission space, and in a working cycles, the corner that does work of piston 210 is reachable 240 °, combustion utilization efficiency can be improved 35%；Exhaust process, 210 acting face of piston reaches exhaust outlet when acting closes to an end, then Piston 210 rotate exhaust outlet instantaneously open wide, 210 acting face of piston reach go forward secant point when, exhaust terminates；Air inlet and exhaust Mouthful be it is open, intake and exhaust is respectively independent, does not interfere with each other；The movement of the engine is by inner cylinder body 300 and piston 210 For rotating Vortex, piston 210 drives inner cylinder body 300,331 He of the first notch end of the indentation, there of the annular sleeve 330 of inner cylinder body 300 Second notch end 332 has certain with the first set square component 230 of piston 210 and the cambered surface of the second set square component 240 Sealing contact surface makes contact surface have certain contact pressure due to the effect of rotary centrifugal force, and to meet air-tightness, first is close Seal 111 and the second sealing ring 121 contact with each other respectively at dynamic screw-casing 110, quiet screw-casing 120, due to sealing ring itself bullet Property provides certain pressure, and is in contact every time with dynamic screw-casing 110, quiet screw-casing 120 at least three, and compression process is Compound seal, because compression seal requires to be higher than acting sealing, so the compression that inner cylinder body 300 and piston shaft assembly 010 are constituted is empty Chamber meets the acting cavity that confined condition, piston shaft assembly 010 and outer cylinder body 400 and inner cylinder body 300 are constituted, close using gap Envelope, the design in gap are conducive to eliminate contact movement material loss, and reducing friction resistance, improve the reliable of mechanical movement Property, air-tightness when being also able to satisfy acting between piston 210 and cylinder body, because of the side that the direction of gas escape and piston 210 move To identical, motion seal gap is met the requirements, and the speed of gas escape is then lower than the speed of the movement of piston 210；Piston 210 with it is interior Cylinder body 300 is contact seal, and it is empty to move screw-casing 110, quiet screw-casing 120 and 300 two sides of inner cylinder body formation lubricating oil storage Chamber, dynamic screw-casing 110,120 two sides of quiet screw-casing and 300 two sides contact surface of inner cylinder body therefrom obtain lubricating oil and are lubricated, quiet The rotation of screw-casing 120 is static state, is axially movable, and moves screw-casing 110 for spiral feed, to keep and 300 two sides of inner cylinder body Contact.

In conclusion the beneficial effect of the piston shaft assembly of the utility model is: the piston shaft of the utility model embodiment Component can be set in the engine with inner cylinder body and outer cylinder body, and piston shaft assembly can be set in inner cylinder body, and living The rotational kinetic energy of piston assembly in plug shaft assembly can pass to inner cylinder body, and can be realized using piston assembly close Envelope is made full use of energy, improves the utilization rate of fuel so as to be reduced the energy loss of engine using piston shaft assembly, Improve the performance of engine.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of piston shaft assembly, which is characterized in that including shaft, key, core frame, dynamic screw-casing, quiet screw-casing and piston assembly Body；The core erection is equipped with shaft lever hole, and the shaft is set to the inside of the shaft lever hole, and the key is set to the shaft lever hole Inside, and the shaft and the key stationary fit；The dynamic screw-casing and the quiet screw-casing are all set in the core frame Both ends, the shaft stretch out the dynamic screw-casing and the quiet screw-casing；The piston assembly is set to the side of the core frame Wall.

2. piston shaft assembly according to claim 1, which is characterized in that the piston shaft assembly further includes the first sealing Circle, first sealing ring are located between the dynamic screw-casing and the core frame.

3. piston shaft assembly according to claim 1, which is characterized in that the piston shaft assembly further includes the second sealing Circle, second sealing ring are located between the quiet screw-casing and the core frame.

4. piston shaft assembly according to claim 1, which is characterized in that the piston shaft assembly further includes spring, described The both ends of spring are separately connected the dynamic screw-casing and the quiet screw-casing, and the spring can pass through the core frame.

5. piston shaft assembly according to claim 4, which is characterized in that the piston shaft assembly further includes that tension spring is sat, institute Stating tension spring and sitting includes bottom plate and pull ring, and the pull ring is set to the bottom plate；The end wall of the dynamic screw-casing is provided with long hole, institute It states tension spring seat and is set to the dynamic screw-casing, the bottom plate is located at the end wall of the dynamic screw-casing far from the one of the quiet screw-casing Side, the pull ring pass through the long hole and connect with the spring.

6. piston shaft assembly according to claim 5, which is characterized in that the end wall of the quiet screw-casing is provided with drag hook, The spring is connect far from one end that the tension spring is sat with the drag hook.

7. piston shaft assembly according to claim 1, which is characterized in that the piston shaft assembly further includes bevel type gear, The side wall that the piston assembly physical efficiency passes through the core frame is connect with the bevel type gear being set to inside the core frame.

8. piston shaft assembly according to claim 7, which is characterized in that the piston assembly includes piston and valve body group Part, the valve component is set to the inside of the piston, and the valve component can be from described in the stretching of the bottom of the piston One end of piston, top of the valve component far from the piston is connect with the bevel type gear.

9. piston shaft assembly according to claim 8, which is characterized in that the piston include piston only, piston top cover, First set square component and the second set square component, the piston top cover are set to the top of the piston only, and described first Set square component and the second set square component are respectively arranged at the two sides of the piston only, and the first triangle board group Part is configured as entering the motion path of the piston earlier than the second set square component；

Wherein, the first set square component includes the first set square, the second set square and third set square, second triangle Plate and the third set square are respectively arranged at the two sides of first set square；The second set square component includes the four or three Gusset, the 5th set square and the 6th set square, the 4th set square and the 6th set square are respectively arranged at the described 5th The two sides of set square；The bottom end of first set square offers the first stomata, and the top of the 5th set square offers Two stomatas.

10. piston shaft assembly according to claim 9, which is characterized in that the valve component includes valve top cover, valve Body, valve core, valve pocket, hollow bolt, bearing and ventilation axis；

One end of the valve body is connect with one end of the hollow bolt, and the valve body is located at the inside of the piston, the sky Heart bolt stretches out the piston, and the valve core is set to the inside of the valve body, and the valve top cover is set to the valve The one end of core far from the hollow bolt；

The valve pocket is set to the outside of the valve core, and is located at the inside of the valve body, and the ventilation axis is set to described The inside of hollow bolt, and it is described ventilation axis close to the valve body one end and the valve pocket close to one end of the hollow bolt Connection, the bearing holder (housing, cover) is set to the outside of the ventilation axis, and the bearing is located at the inside of the hollow bolt；

The side wall of the valve body is provided with air inlet pipe and an air outlet pipe, and the air inlet pipe is connected to second stomata, the outlet Pipe is connected to first stomata；The valve core is internally provided with oblique device to hole, and the side wall of the valve pocket is provided with air inlet And gas outlet, the air inlet are connected to the air inlet pipe, and the gas outlet is connected to the escape pipe, and the of the oblique device to hole One opening is connected to the air inlet, and the second opening of the oblique device to hole is connected to the gas outlet.