CN208281051U - A kind of set square component, piston assembly and rotary combustion engine - Google Patents

Abstract

The utility model relates to field of internal combustion engine, in particular to a kind of set square component, piston assembly and rotary combustion engine.A kind of set square component, including the first set square component and the second set square component.First set square component and the second set square component are respectively arranged at the two sides of piston only, and the first set square component is configured as entering the motion path of piston earlier than the second set square component.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 two sides of the first set square.Second set square component includes the 4th set square, the 5th set square and the 6th set square, and the 4th set square and the 6th set square are respectively arranged at the two sides of the 5th set square.The bottom end of first set square offers the first stomata, and the top of the 5th set square offers the second stomata.Internal combustion engine provided by the utility model has the advantages that small in size, light-weight, stability is good, manufacturing cost is low etc..

Description

A kind of set square component, piston assembly and rotary combustion engine

Technical field

The utility model relates to field of internal combustion engine, in particular to a kind of set square component, piston assembly and rotation Rotary IC engine.

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, now commonly used spark-ignition engine still follow Alto circulation, i.e., air inlet, calm the anger, do work And four strokes of exhaust.According to four courses of work it can be concluded that internal-combustion reciprocating-pisto has the disadvantage that, gas exchange loss, row Late closing of valve and inlet valve are opened in advance an overlap period, and residual gas meets with entrance cylinder fresh air can not essence Really control, has fresh air and is discharged with residual gas, and the residual gas for having higher temperature is detained in the combustion chamber, air inlet temperature Degree increases, and influences intake efficiency；Mechanical movement inertia conversion loss, piston are to be changed into circle by crank connecting link by moving along a straight line Zhou Yundong, there are four stops for four strokes, since the loss of the mass motion inertia of piston and connecting rod itself is larger；Thermal friction damage It losing, piston is in top dead centre when piston acting starts, and piston, connecting rod, crank have one section of demurrage on same straight line, this It carves high temperature and high pressure gas and is unable to quick release, high pressure is applied to piston, on crank connecting link, makes each loading bearing lubricating oil Film is thinning, increases contact friction, and working gas has resilient nature, when being unable to quick release, the energy of a portion with The form of thermal energy passes to body, and increases heat radiation；Auxiliary body's bring power loss, air inlet and exhaust need camshaft And valve group mechanism realizes, inlet and exhaust valve is driven by camshaft, camshaft timing chain is driven by crankshaft, and cam needs overcome Valve spring driving valve opening and closing, entire air distribution system are not involved in acting, but to consume the 5~8% of this power, mechanism Also become complicated；Mechanical efficiency is low, only one stroke does work in four strokes, and non-expansion stroke will consume a part of power； Output torque is uneven, and is intermittence, and when power output is not matched that with load, output torque has pause and transition in rhythm or melody phenomenon, needs The energy of larger flywheel storage crosses interval point；Stability is poor, due to crankshaft connecting rod system, during exercise to all directions stress Change it is complex, complete machine operation stability it is poor, need to increase balance shaft to improve the stability of engine；Fuel burning Utilization rate is low, and in expansion stroke, acting needs 30 ° in advance~80 ° unlatching exhaust valves before ending, and causes high-pressure combustion gas not Can efficiently use and be discharged outside cylinder, in addition, its admission space is equal with acting volume, when acting after mixture combustion caused by The volume of high temperature and high pressure gas is 6 times of admission space or more, and the partial combustion gases outside isometric(al) still have higher pressure Power still has higher power to obtain the initial stage after use value, especially exhauxt valve opens；Combustion chamber operational is temperature limited, Efficiency of combustion is influenced, the operating temperature of conventional engines combustion chamber cannot be run in the state of high temperature, when chamber temperature is super Specified temperature is crossed, then will appear deflagration phenomenon, detonation is tended to occur at before piston not yet reaches top dead centre and generated, gaseous mixture combustion The speed of burning is propagated with velocity of sound, and extreme high temperature and high pressure gas is applied on piston rod, is damaged to damaging property of engine.

Utility model content

In view of this, the purpose of this utility model includes providing a kind of set square component, piston assembly and rotary Internal combustion engine, to solve the above problems.

The embodiments of the present invention are achieved in that

A kind of set square component, including the first set square component and the second set square component；

First set square component and the second set square component are respectively arranged at the two sides of piston only, and the first triangle board group Part is configured as entering the motion path of piston earlier than the second set square component；

First set square component includes the first set square, the second set square and third set square, the second set square and third Set square is respectively arranged at the two sides of the first set square；

Second set square component includes the 4th set square, the 5th set square and the 6th set square, the 4th set square and the 6th Set square is respectively arranged at the two sides of the 5th set square；

The bottom end of first set square offers the first stomata, and the top of the 5th set square offers the second stomata.

In an embodiment of the present invention:

First set square component and the second set square component are arc panel component；

The outer cylinder of first set square, the second set square and third set square is same cylinder；

The outer cylinder of 4th set square, the 5th set square and the 6th set square is same cylinder.

A kind of piston assembly, including piston and valve component, valve component are set to the inside of piston, and valve component Piston can be stretched out from the bottom of piston；Wherein, piston includes piston only, piston top cover and above-mentioned set square component, is lived Plug top cover is set to the top of piston only, and the first set square component and the second set square component are respectively arranged at piston only Two sides, and the first set square component is configured as entering the motion path of piston earlier than the second set square component.

In an embodiment of the present invention:

Valve component includes valve top cover, valve body, valve core, valve pocket, hollow bolt, bearing and ventilation axis；

One end of valve body and one end of hollow bolt connect, and valve body is located at the inside of piston, and hollow bolt stretches out piston, valve Men Xin is set to the inside of valve body, and valve top cover is 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, and ventilation axis is set to the inside of hollow bolt, and Axis of taking a breath is connected close to one end of valve body and valve pocket close to one end of hollow bolt, and bearing holder (housing, cover) is set to the outside of ventilation axis, and axis It holds positioned at the inside of hollow bolt；

The side wall of valve body is provided with air inlet pipe and an air outlet pipe, and air inlet pipe is connected to the second stomata, escape pipe and the first stomata Connection；Valve core is internally provided with oblique device to hole, and the side wall of valve pocket is provided with air inlet and air outlet, and air inlet and air inlet pipe connect Logical, gas outlet is connected to escape pipe, and the first opening of oblique device to hole is connected to air inlet, and the second opening and the gas outlet of oblique device to hole connect It is logical.

In an embodiment of the present invention:

Piston assembly further includes balanced component, balanced component be set to piston only for be arranged the first set square component Side wall, and balanced component is located remotely from the side of the first set square component.

In an embodiment of the present invention:

Balanced component includes balanced lever, and balanced lever is set to the side wall of piston only；

Balanced lever includes the first lever and the second lever, and the first lever and the second lever overlap, the first lever and Second lever is connect with the side wall of piston only.

In an embodiment of the present invention:

First lever includes first body of rod and plug connector, and plug connector is set to one end of first body of rod, and first body of rod is separate One end of plug connector is provided with the first connecting hole；Second lever and plug connector are mating.

In an embodiment of the present invention:

Second lever includes second body of rod and inlay card part, and inlay card part is set to one end of second body of rod, and second body of rod is separate One end of inlay card part is provided with the second connecting hole；First lever and inlay card part are engaged by clamping.

In an embodiment of the present invention:

Balanced component further includes the connecting rod of equilibrium cam with the side wall for being set to equilibrium cam, and the first set square component is opened Equipped with cam path, the side wall of piston only offers axis hole；Equilibrium cam is set in cam path, and connecting rod sequentially passes through axis hole With the second connecting hole, connecting rod is connect far from one end of equilibrium cam with nut.

A kind of rotary combustion engine, including outer cylinder body, inner cylinder body and piston shaft assembly, the row of being provided on the peripheral wall of outer cylinder body Port, air inlet and spark plug, inner cylinder body and outer cylinder body are rotatablely connected, and inner cylinder body is rotated around its axial line relative to outer cylinder body, And the axial line of inner cylinder body and the axial line of outer cylinder body are arranged in a staggered manner, the lateral wall of inner cylinder body and the inner sidewall of outer cylinder body are tangent； Piston shaft assembly includes helical mount and above-mentioned piston assembly, and piston assembly is installed on helical mount, and helical mount is located at interior In cylinder body, helical mount and outer cylinder body are rotatablely connected, and helical mount is rotated around its axial line relative to outer cylinder body, and helical mount and outer shell Body coaxial arrangement, piston assembly stretch out inner cylinder body, and the one end of piston assembly far from helical mount far from one end of helical mount It is connected to the inner sidewall of outer cylinder body.

The technical solution of the utility model at least has the following beneficial effects:

Rotary combustion engine provided by the utility model have it is small in size, light-weight, stability is good, manufacturing cost is low and The advantages such as oil consumption is low, can improving available engine, structure is complicated, operation stability is poor, mechanical efficiency is low, power-weight ratio The problems such as density is low, volume is big, fuel efficiency is low, inertia loss is big and high production cost, greatly improves internal combustion engine operation Efficiency and economy, can be widely used for gas vehicle, motorcycle, baby plane, unmanned plane, medium and small-scale vessel and removable power and set Standby power source.Outer cylinder sheath component provided by the utility model, outer cylinder body adapt to the rotary combustion engine, to help its realization Above-mentioned beneficial effect.

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 schematic diagram of rotary combustion engine in the utility model embodiment 1；

Fig. 2 is the cross-sectional view of rotary combustion engine in the utility model embodiment 1；

Fig. 3 is the perspective view of the explosion of rotary combustion engine in the utility model embodiment 1；

Fig. 4 is the schematic diagram for dividing block in the utility model embodiment 1；

Fig. 5 is the perspective view of the explosion one of piston shaft assembly in the utility model embodiment 1；

Fig. 6 is the perspective view of the explosion two of piston shaft assembly in the utility model embodiment 1；

Fig. 7 is the cross-sectional view of piston assembly in the utility model embodiment 1；

Fig. 8 is the structural schematic diagram of the first set square component in the utility model embodiment 1；

Fig. 9 is the partial structure diagram of piston assembly in the utility model embodiment 1；

Figure 10 is the structural schematic diagram of inner cylinder body in the utility model embodiment 1；

Figure 11 is the explosive view of inner cylinder body in the utility model embodiment 1；

Figure 12 is the structure chart of half axis of a cylinder in the utility model embodiment 1；

Figure 13 is the structural schematic diagram of outer cylinder body in the utility model embodiment 1；

Figure 14 is the structural schematic diagram of left end cap in the utility model embodiment 1；

Figure 15 is the structural schematic diagram of outer cylinder body, inner cylinder body and piston shaft assembly in the utility model embodiment 1.

In figure: 001- rotary combustion engine；010- piston shaft assembly；101- shaft；102- key；103- shaft lever hole；100- Core frame；110- moves screw-casing；The first sealing ring of 111-；The second sealing ring of 121-；The quiet screw-casing of 120-；130- spring；131- is drawn Spring abutment；132- long hole；133- drag hook；140- bevel type gear；200- piston assembly；210- piston；211- piston only；212- Piston top cover；220- valve component；221- valve top cover；222- valve body；223- valve core；224- valve pocket；225- hollow bolt； 226- bearing；227- ventilation axis；230- the first set square component；The first set square of 231-；The second set square of 232-；233- third Set square；The first stomata of 234-；240- the second set square component；The 4th set square of 241-；The 5th set square of 242-；243- the 6th Set square；The second stomata of 244-；251- air inlet pipe；252- escape pipe；The oblique device to hole of 253-；254- air inlet；The gas outlet 255-； 260- balanced component；The first lever of 261-；The second lever of 262-；First body of rod of 263-；264- plug connector；The connection of 265- first Hole；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 plate；281- connecting hole；300- inner cylinder body；The left inside end cap of 310-；The channel 312-；314- left axle bearing sleeve；316- is filled out on a left side Block；The right inner end cap of 320-；324- right axle bearing sleeve；The right fill block of 326-；330- inner cylinder liner；The first notch of 331- end；332- second is lacked Mouth end；333- opening；340- sealed elastic piece；350- compensation block；Half axis of a cylinder of 360-；362- strip groove；364- centre bore；400- Outer cylinder body；410- spark plug；420- divides block；430- left end cap；432- groove body；434- air intake duct；436- pipeline；440- right end Lid；450- outer cylinder sheath；452- exhaust duct.

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.

Embodiment 1

Referring to figs. 1 to Figure 15, the utility model provides a kind of rotary combustion engine 001, including outer cylinder body 400, inner casing Body 300 and piston shaft assembly 010 are provided with exhaust duct 452, air intake duct 434 and spark plug 410 on the peripheral wall of outer cylinder body 400, interior Cylinder body 300 and outer cylinder body 400 are rotatablely connected, and inner cylinder body 300 is rotated around its axial line relative to outer cylinder body 400, and inner cylinder body 300 The axial line of axial line and outer cylinder body 400 be arranged in a staggered manner, the inner sidewall of the lateral wall and outer cylinder body 400 of inner cylinder body 300 is tangent； Piston shaft assembly 010 includes piston assembly 200 and helical mount, and piston assembly 200 is installed on helical mount, and helical mount is located at interior In cylinder body 300, helical mount and outer cylinder body 400 are rotatablely connected, and helical mount is rotated around its axial line relative to outer cylinder body 400, and spiral shell Swing frame and outer cylinder body 400 are coaxially disposed, and piston assembly 200 stretches out inner cylinder body 300 far from one end of helical mount, and piston assembles Body 200 is connected to the inner sidewall of outer cylinder body 400 far from one end of helical mount.

Wherein, outer cylinder body 400, inner cylinder body 300 and piston assembly 200 preferably use identical material or line expansion factor phase Close metal material, to guarantee that working clearance variation is minimum.

Inner cylinder body 300 includes inner cylinder liner 330, sealed elastic piece 340, left inside end cap 310, right inner end cap 320, half axis of a cylinder 360 and compensation block 350, left inside end cap 310 and right inner end cap 320 are respectively arranged in the two sides of inner cylinder liner 330, and compensation block 350 is pacified One end loaded on inner cylinder liner 330, half axis of a cylinder 360 are set as two, and two and half axiss of a cylinder 360 are respectively arranged in compensation block 350 and interior The one end of cylinder sleeve 330 far from compensation block 350 forms opening 333 between two and half axiss of a cylinder 360, and piston assembly 200 is connected in out In mouth 333, sealed elastic piece 340 is installed on the inside of inner cylinder liner 330.The cambered surface of half axis of a cylinder 360 and the center faced directly all have Strip groove 362, the inside of half axis of a cylinder 360 have axially through centre bore 364, as shown in figure 12.

It is respectively arranged with link slot in left inside end cap 310 and right inner end cap 320, the link slot on left inside end cap 310 Both ends extend respectively to two end faces of left inside end cap 310, and the both ends for the link slot being located in right inner end cap 320 are prolonged respectively Extend to two end faces of right inner end cap 320.The inner peripheral surface of link slot on left inside end cap 310 is connected by left axle bearing sleeve 314 It is connected to outer cylinder body 400, the inner peripheral surface of the link slot in right inner end cap 320 is connected to outer cylinder body by right axle bearing sleeve 324 400。

It is each provided with the channel 312 being connected to inside and outside 300 cavity of inner cylinder body in left inside end cap 310 and right inner end cap 320, The inside of inner cylinder body 300 is connected to the air intake duct 434 of outer cylinder body 400.Left fill block 316 and right fill block 326 connect respectively The notch two sides of logical inner cylinder liner 330, and the both ends of notch are arranged at intervals in the axial direction of inner cylinder liner 330, so that in entire The structure of cylinder sleeve 330 is more stable.Left fill block 316 and right fill block 326 are preferably sectorial block.

Outer cylinder body 400 includes outer cylinder sheath component, left end cap 430 and right end cap 440, and outer cylinder sheath component includes annular tubular 450 side of outer cylinder sheath 450 and outer cylinder sheath spark plug 410.Left end cap 430 and right end cap 440 are set to 450 axis of outer cylinder sheath Chamber is collectively formed in upward both ends, the inside of outer cylinder body 400 and the outside of inner cylinder body 300.Left end cap 430 and right end cap 440 Inside all have a groove body 432, groove body 432 is connected to air intake duct 434, so that inner cylinder body 300 is relative to 400 turns of outer cylinder body When dynamic, the channel 312 of left inside end cap 310 and right inner end cap 320 can periodically go to 432 position of groove body, thus with It is connected to outside outer cylinder body 400, to realize the ventilation inside inner cylinder body 300.

Specifically, two air intake ducts 434 are respectively arranged at the side of left end cap 430 and right end cap 440, and two air inlets Collected in the outside of outer cylinder body 400 by pipeline 436 for an entrance in road 434.Groove body 432 is connected to air intake duct 434 close to outer The one end at 400 center of cylinder body.One exhaust duct 452 is set to the side of outer cylinder sheath 450 to be connected to inside and outside outer cylinder body 400.

Segmentation block 420 is provided on outer cylinder body 400, the one end for dividing block 420 is T-shaped, and the other end of segmentation block 420 is in arc Shape, and the radius for dividing the arc-shaped one end of block 420 is identical as the radius of the lateral wall of inner cylinder body 300, segmentation block 420 is T-shaped One end be connected in outer cylinder body 400, the arc-shaped one end of segmentation block 420 is arranged towards the inside of outer cylinder body 400, divides block 420 Positioned at the tangent of inner cylinder body 300 and outer cylinder body 400.

Refering to Fig. 5 and Fig. 6, helical mount includes shaft 101, key 102, core frame 100, dynamic screw-casing 110 and quiet screw-casing 120；Core frame 100 is provided with shaft lever hole 103, and shaft 101 is set to the inside of shaft lever hole 103, and key 102 is set to shaft lever hole 103 Inside, and shaft 101 and 102 stationary fit of key；Dynamic screw-casing 110 and quiet screw-casing 120 are all set in the both ends of core frame 100, Shaft 101 stretches out dynamic screw-casing 110 and quiet screw-casing 120；Piston assembly 200 is set to the side wall of core frame 100；Shaft 101 Stationary fit with key 102 is digital 102 as shaft 101 rotates together, when shaft 101 and key 102 rotate together, drives core Frame 100, dynamic screw-casing 110 and quiet screw-casing 120 rotate together, it is preferable that are provided with grafting in shaft 101 and core frame 100 The both ends decibel of slot, key 102 is plugged in the inserting groove of shaft 101 and core frame 100.

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 spring base 131, is drawn Spring abutment 131 includes bottom plate and pull ring, and pull ring is set to bottom plate；The end wall of dynamic screw-casing 110 is provided with long hole 132, spring base 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, the one end of spring 130 far from spring base 131 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.

Fig. 6 is please referred to, 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.

Refering to 7 to Fig. 9, above-mentioned piston assembly 200 includes piston 210 and valve component 220, and valve component 220 is arranged In the inside of piston 210, and valve component 220 can stretch out piston 210 from the bottom of piston 210, and valve component 220 is far from piston The one end at 210 top is connect with bevel type gear 140, and the rotary power of bevel gear passes to valve component with the revolving speed of 1:1 220；Further, piston 210 includes piston only 211, piston top cover 212 and set square component.Wherein, set square component packet The first set square component 230 and the second set square component 240 are included, piston top cover 212 is set to the top of piston only 211, the One set square component 230 and the second set square component 240 are respectively arranged at the two sides of piston only 211, and the first triangle board group The motion path that part 230 is configured as entering earlier than the second set square component 240 piston 210 (successively passes through b, c, d from a in Fig. 8 Motion profile)；Wherein, the first set square component 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 include the 4th set square 241, the 5th set square 242 and the 6th set square 243, the 4th set square 241 and the 6th set square 243 are respectively arranged at the two sides of the 5th set square 242；The bottom end of first set square 231 offers the first stomata the 234, the 5th 3 The top of gusset 242 offers the second stomata 244；It should be noted that above-mentioned first set square component 230 and the second set square The side side of the separate piston 210 of component 240 be it is recessed, i.e. the first set square component 230 and the second set square component 240 are For arc panel component, and the first set square 231, the second set square 232 and third set square 233 in the first set square component 230 Outer cylinder be same cylinder, the 4th set square 241, the 5th set square 242 and the 6th triangle in the second set square component 240 The outer cylinder of plate 243 is also same cylinder；So set, the inner cylinder body 300 for being conducive to piston 210 and engine cooperates, so that The the first set square component 230 and the second set square component 240 of piston 210 can be realized close with the contact site of inner cylinder body 300 Envelope；Second stomata 244 can in piston 210, the first stomata 234 will when piston 210 is run for air inlet when piston 210 is run Piston 210 is discharged in gas in piston 210, realizes the decompression of piston 210.

Refering to Fig. 7, the valve component 220 in the present embodiment includes valve top cover 221, valve body 222, valve core 223, valve pocket 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 are 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 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 position In 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 one end of valve body 222 It is connect with valve pocket 224 close to one end of hollow bolt 225, bearing 226 is sheathed on the outside of ventilation axis 227, and bearing 226 is located at 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 stomata 244 connections, escape pipe 252 are connected to the first stomata 234；Valve core 223 is internally provided with oblique device to hole 253, the side of valve pocket 224 Wall is provided with air inlet 254 and gas outlet 255, and air inlet 254 is connected to air inlet pipe 251, and gas outlet 255 and escape pipe 252 connect Logical, the first opening of 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 body The setting of component 220 can be improved the intensity of piston 210, and when piston 210 is run, gas can from the second stomata 244 into Enter valve component 220 and sequentially passes through air inlet pipe 251, the opening of air inlet 254, first, the second opening, gas outlet 255, escape pipe 252 and first port be pierced by piston 210 from valve component 220, realize the decompression of piston 210.

Refering to Fig. 8, the piston assembly 200 in the present embodiment further includes balanced component 260, and balanced component 260 is set to Piston only 211 is used to be arranged the side wall of the first set square component 230, and balanced component 260 is located remotely from the first triangle board group The side of part 230；In detail, balanced component 260 includes balanced lever, and balanced lever is set to the side wall of piston only 211；Into One step, balanced lever includes the first lever 261 and the second lever 262, and the first lever 261 and the second lever 262 overlap, First lever 261 and the second lever 262 are connect with the side wall of piston only 211；Still further, the first lever 261 includes First body of rod 263 and plug connector 264, plug connector 264 are set to one end of first body of rod 263, and first body of rod 263 is far from plug connector 264 one end is provided with the first connecting hole 265；Second lever 262 and plug connector 264 are mating；Second body of rod 266 includes the Bipole body 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；Second lever 262 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.It should be noted that being set in piston 210 The quantity for setting the equilibrium cam 271 of the side wall setting of the first set square component 230 is two, one of them is set to the second triangle Plate 232, another is set to third set square 233, the other structures of two equilibrium cams 271 and connect with other components Mode it is similar, please refer to foregoing description.

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.

Latch plate 280 there are two also setting up in the core frame 100 of the present embodiment, one end of each latch plate 280, which is set to, to be leaned on The position of the shaft lever hole 103 of nearly core frame 100, the other end extend to the side wall of core frame 100, the folder of the axis of two latch plates 280 Angle is 180 °；When piston 210 is run, latch plate 280 has active force in the radial direction of core frame 100, in this way, can use Latch plate 280 offsets the power that spring 130 inwardly pulls screw-casing 110 and quiet screw-casing 120.Preferably, latch plate 280 is close to core One end of the shaft lever hole 103 of frame 100 is provided with connection ring, is plugged on connecting hole 281 and core frame 100 using bolt, Neng Goushi Existing latch plate 280 is in the connection of core frame 100.

The application of piston shaft assembly 010 and beneficial effect are: please referring to Figure 10 and Figure 13, 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；In inner cylinder body 300 includes left inside end cap 310, is right End cap 320 and the notched inner cylinder liner 330 being set between left inside end cap 310 and right inner end cap 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 inner cylinder liner 330, when the piston 210 of piston shaft assembly 010 is with axis When bar 101 rotates, the notched inner cylinder liner 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 inner cylinder liner 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 inner cylinder liner 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 inner cylinder liner 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.

Machine assembly structure feature is that 300 outer cylinder of inner cylinder body and the inner cylinder of outer cylinder body 400 are mutually cut, and scant length is Piston 210 fans a quarter of cambered surface line length between half, and the 400 phase place of cutting of outer cylinder body is equipped with a segmentation block 420 and fills It sets, the segmentation effect of block 420 is that combustion chamber is isolated with exhaust chamber, and axial 420 top of segmentation block is T shape convex portion and outer cylinder body 400 phases are cut slot and are corresponded to, and limitation is moved downwards, and segmentation 420 lower section cambered surface radius of block is identical as 300 column jacket radius surface of inner cylinder body, The opening of piston 210 and inner cylinder body 300 is skimmed over segmentation 420 cambered surface of block and is not in contact；Assemble sequence, first by left and right axis Bearing sleeve 324 is filled respectively on 440 bearing block of left end cap 430 and right end cap, and dress positioning sleeve, sealing ring are in the corresponding position of outer cylinder sheath 450 It sets, the right end cap 440 of outer cylinder body 400 is fitted together to outer cylinder sheath 450 by corresponding positioning sleeve position, assemble inner cylinder body 300, right inner end cap 320 is connect with inner cylinder liner 330 with sunk screw, sealing strip, active fan block, elastic slice, compensation block 350 are inserted into With half axis of a cylinder 360, the inner cylinder body 300 for not filling left inside end cap 310 is fitted into outer cylinder body 400, it will be in piston shaft assembly 010 The opening that piston 210 is directed at inner cylinder liner 330 is fitted into inner cylinder body 300, then loads onto right end cap 440.

The working principle that the engine of the piston shaft assembly 010 is arranged is: 300 outer cylinder of inner cylinder body and outer cylinder body 400 Inner cylinder is tangent, and scant length can be a quarter of the fan-shaped arc length of core frame 100 between half, inner cylinder body 300 are driven by piston 210, and when piston 210 rotates, driving inner cylinder body 300 is rotate in same direction, due to inner cylinder body 300 and outer cylinder body 400 eccentric effect changes inner cylinder body 300 and 400 cavity volume of outer cylinder body as piston 210 rotates, and piston 210 will Inner cylinder body 300 and outer cylinder body 400 divide corresponding function cavity, and piston 210 divides 300 cavity of inner cylinder body, the movement of piston 210 front For compaction cavum (in Figure 15, the direction of motion of piston 210 be the direction b, c, d is successively turned to from a, and when rotating b from a into Row air-breathing, and lighted a fire between a, b using spark plug 410, it is compressed during turning to c from b, turns to the process of d in c Middle acting, is finally vented during d turns to a, thus completes a stroke), the rear that piston 210 moves is that air inlet is empty Chamber, piston 210 divide outer cylinder body 400, and the front that piston 210 moves is exhaust cavity, and the rear that piston 210 moves is that acting is empty Chamber, the cavity front and back that piston 210 is inswept is functional status, realizes four air inlet, compression, acting, exhaust strokes, air inlet respectively Process, when incision inferius is crossed in 210 acting face of piston, due to wobbler action, the driven screw-casing 110 of air inlet 254, quiet screw-casing 120 Two sides are removed, and air inlet 254 gradually opens wide, and mixed gas enters inner cylinder body 300, and mixed gas is by 300 two sides of inner cylinder body Left inside end cap 310 and right inner end cap 320 enter, therefore, gas formed symmetry shape spiral air flow, mist state fuel can with it is new Fresh air carries out secondary mixing, and gaseous mixture is made to become more uniform, promotes efficiency of combustion, face mistake again of doing work behind piston 210 Air inlet terminates when incision inferius, and for air inlet corner close to 350 °, inflationtime extends 60% compared with plunger type engine air inlet corner at this time, Improve 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, living Scavenging air valve in plug 210 is opened, and compressed gaseous mixture enters combustion chamber by scavenging air valve, and piston 210 at this moment tends to do work State, 210 stress surface of discharge chambe piston are gradually reduced, and when combustion chamber is equal with compression chamber volume, compression ratio reaches maximum value, Its 11:1~12:1, (compression ratio is determined by 210 width value of piston), end of calming the anger when 210 deflation area of piston goes to incision inferius； Acting process, acting process and compression process have an overlap period, when the ventilation axis 227 in piston 210 is opened, gaseous mixture into Enter combustion chamber, 450 inner cylinder of outer cylinder sheath of combustion chamber is equipped with collecting plate, outer cylinder sheath 450 and sets and leads to spark there are two groove Plug 410, so that gaseous mixture touches spark plug 410 in advance, outer cylinder body 400 is equipped with three pairs of spark plugs 410, first pair of spark plug 410 be 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 It lights a fire simultaneously, to guarantee to obtain biggish ignition energy in cold start-up, after engine reaches normal working temperature, first pair Spark plug 410 can meet ignition condition, and under engine cold state, gaseous mixture is lighted a fire by spark plug 410, and engine operation is pre- After heat tens of seconds, collecting plate assembles heat from mixture combustion increases the temperature of collecting plate rapidly, compressed gaseous mixture Rapidly gasify after touching red-hot collecting plate, so that gaseous mixture is in the critical state of burning, while spark plug 410 is lighted a fire, then Flame front, which is lighted, constantly enters the compressed gaseous mixture in combustion chamber, and the speed of burning is much higher than traditional combustion engine, high revolving speed Under burning velocity be close to the velocity of sound, when collecting plate reaches rated value, the mode lighted by collecting plate and spark plug 410 simultaneously It carrying out, realizes multi-point spark, the high pressure gas of burning pushes piston 210 to rotate, when 210 acting face of piston goes to incision inferius, Piston 210 is in this corner phase, combustion chamber acting volume and the effectively acting area ratio set of piston 210, compared with conventional engines Improve 20% combustion utilization efficiency, piston 210 continues to go to outer cylinder sheath 450 acting at this time when will be vented equipped with exhaust ports Volume is 1.6 times of admission space, and in a working cycles, piston 210 does work corner up to 240 °, and combustion utilization efficiency can be improved 35%；Exhaust process, 210 acting face of piston reaches exhaust outlet when acting closes to an end, and it is instantaneous that subsequent piston 210 rotates exhaust outlet Open wide, 210 acting face of piston reach go forward secant point when, exhaust terminates；Air inlet 254 and exhaust outlet are open, air inlet It is respectively independently, does not interfere with each other with exhaust；Inner cylinder body 300 and piston 210 are rotating Vortex, piston by the movement of the engine 210 driving inner cylinder bodies 300, the first notch end 331 of the indentation, there of the inner cylinder liner 330 of inner cylinder body 300 and the second notch end 332 with First set square component 230 of piston 210 and the cambered surface of the second set square component 240 have certain sealing contact surface, due to The effect of rotary centrifugal force makes contact surface have certain contact pressure, and to meet air-tightness, the first sealing ring 111 and second is close Seal 121 contacts with each other respectively at dynamic screw-casing 110, quiet screw-casing 120, since sealing ring natural resiliency provides certain pressure Power, and be in contact every time with dynamic screw-casing 110, quiet screw-casing 120 at least three, compression process is compound seal, because of pressure Contracting seal request is higher than acting sealing, so the compaction cavum that inner cylinder body 300 and piston shaft assembly 010 are constituted meets closed item The acting cavity that part, piston shaft assembly 010 and outer cylinder body 400 and inner cylinder body 300 are constituted, using clearance seal, the design in gap Be conducive to eliminate contact movement material loss, and reducing friction resistance, improve the reliability of mechanical movement, be also able to satisfy acting When piston 210 and cylinder body between air-tightness because gas escape direction it is identical as the direction that piston 210 moves, 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 and inner cylinder body 300 are contact Sealing, dynamic screw-casing 110, quiet screw-casing 120 and 300 two sides of inner cylinder body formation lubricating oil storage cavities, dynamic screw-casing 110, Quiet 120 two sides of screw-casing therefrom obtain lubricating oil with 300 two sides contact surface of inner cylinder body and are lubricated, and the quiet rotation of screw-casing 120 is Static state is axially movable, and moves screw-casing 110 for spiral feed, to keep and the contact of 300 two sides of inner cylinder body.

The combustion system of rotary combustion engine 001 provided by the utility model is different from conventional engines, it is characterised in that Before highest compression ratio has not yet been reached in gaseous mixture, the gaseous mixture into combustion chamber first touches collecting plate in early days, and combustion chamber is in Relatively narrower section, the heat that this section gaseous mixture easily absorbs collecting plate rapidly gasify, while first four spark plug 410 is uniformly distributed Igniting, flame propagation is very fast to light the gaseous mixture that the later period enters combustion chamber, in the case where gaseous mixture fully enters combustion state, piston 210 acting corners obtain continuous high temperature gas pressure and act on 210 acting face of piston, since chamber temperature is higher, are firing The burning indoor duration is long, so mixture combustion is more thorough, and then improves exhaust gas discharge.

Rotary combustion engine 001 provided by the utility model can be used methanol, ethyl alcohol, natural gas and easily wave with certain Hair property fuel, because discharge chambe and combustion chamber are respectively independent, discharge chambe has lubricating oil film, makes its discharge chambe inner wall and gaseous mixture Isolation will not generate corrosion phenomenon, and internal face of combustion chamber uses corrosion-resistant coating, and piston 210 does not occur with combustion chamber wall surface Contact, i.e., will not cause to wear, so fuel use scope is wide to anti-corrosion layer.

Rotary combustion engine 001 provided by the utility model has high torque range and high engine speed range, due to expanding gas Body acts on the effective working face vertical direction of piston 210, and moment variations are smaller, can get at the low rotational speed ideal defeated Torque out；The range of speeds is wide, can be at 350~400 turns low turn since the loss of mechanical movement inertia is small, and without mechanical movement dead Speed stablizes idling, and high revolving speed is to make revolving speed can since the energy of expanding gas quick release acts on high-speed cruising piston 210 Up to 12000 turns of revolving speed makes it obtain high-power purpose.

Embodiment 2

Referring to Fig. 4, the utility model additionally provides a kind of rotary combustion engine 001, including outer cylinder body 400, inner cylinder body 300 With piston shaft assembly 010, exhaust duct 452, air inlet 254 and spark plug 410, inner cylinder body are provided on the peripheral wall of outer cylinder body 400 300 are rotatablely connected with outer cylinder body 400, and inner cylinder body 300 is rotated around its axial line relative to outer cylinder body 400, and the axis of inner cylinder body 300 Heart line and the axial line of outer cylinder body 400 are arranged in a staggered manner, and the inner sidewall of the lateral wall and outer cylinder body 400 of inner cylinder body 300 is tangent；Piston Shaft assembly 010 includes helical mount and more than two piston assemblies 200, and more than two piston assemblies 200 are installed respectively In helical mount, and more than two piston assemblies 200 are equidistantly spaced setting around the axial line of helical mount, and helical mount is located at interior In cylinder body 300, helical mount and outer cylinder body 400 are rotatablely connected, and helical mount is rotated around its axial line relative to outer cylinder body 400, and spiral shell Swing frame and outer cylinder body 400 are coaxially disposed, and piston assembly 200 stretches out inner cylinder body 300 far from one end of helical mount, and piston assembles Body 200 is connected to the inner sidewall of outer cylinder body 400 far from one end of helical mount.

Rotary combustion engine 001 provided in this embodiment can realize twin-tub, three cylinders and multi-cylinder type, the piston shaft of twin-tub type Two-piston 210 in component 010 is 180 ° of opposite installations, and three pistons 210 in the piston shaft assembly 010 of three cylinder types are equal part 120 ° of installations, multi-cylinder type are still based on 210 equal part of piston, for being preferred with twin-tub type for general power demand；Because of twin-tub type Two-piston 210 do work corner up to 480 degree, be equivalent to 5 cylinder type of conventional engines, a 3 cylinder types are equivalent to conventional engines 8 cylinder types, bi-block engine can reduce volume in the case where meeting power demand, and can reduce monomer weight and production cost. For the twin-tub type of small displacement, it is more suitable for super-mini, baby plane and unmanned plane；The utility model can also be realized really Cylinder stopping technique in meaning, the above type of two cylinders can be suitble to cylinder deactivation to design, and specially each cylinder is separately provided, with tandem group At each shaft end is equipped with clutch, can control single cylinder and twin-tub, reaches energy saving purpose.

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 set square component, it is characterised in that:

The set square component includes the first set square component and the second set square component；

The first set square component and the second set square component are respectively arranged at the two sides of piston only, and described first Set square component is configured as entering the motion path of the piston earlier than the second set square component；

The first set square component include the first set square, the second set square and third set square, second set square and The third set square is respectively arranged at the two sides of first set square；

The second set square component include the 4th set square, the 5th set square and the 6th set square, the 4th set square and 6th set square is respectively arranged at the two sides of the 5th set square；

The bottom end of first set square offers the first stomata, and the top of the 5th set square offers the second stomata.

2. set square component according to claim 1, it is characterised in that:

The first set square component and the second set square component are arc panel component；

The outer cylinder of first set square, second set square and the third set square is same cylinder；

The outer cylinder of 4th set square, the 5th set square and the 6th set square is same cylinder.

3. a kind of piston assembly, it is characterised in that:

The piston assembly includes piston and valve component, and the valve component is set to the inside of the piston, and described Valve component can stretch out the piston from the bottom of the piston；Wherein, the piston include piston only, piston top cover and Set square component as described in any one of claim 1-2, the piston top cover are set to the top of the piston only, The first set square component and the second set square component are respectively arranged at the two sides of the piston only, and described first Set square component is configured as entering the motion path of the piston earlier than the second set square component.

4. piston assembly according to claim 3, it is characterised 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.

5. piston assembly according to claim 3, it is characterised in that:

The piston assembly further includes balanced component, and the balanced component is set to the piston only for being arranged described the The side wall of one set square component, and the balanced component is located remotely from the side of the first set square component.

6. piston assembly according to claim 5, it is characterised in that:

The balanced component includes balanced lever, and the balanced lever is set to the side wall of the piston only；

The balanced lever includes the first lever and the second lever, and first lever and second lever overlap, institute It states the first lever and second lever is connect with the side wall of the piston only.

7. piston assembly according to claim 6, it is characterised in that:

First lever includes first body of rod and plug connector, and the plug connector is set to one end of first body of rod, described First body of rod is provided with the first connecting hole far from one end of the plug connector；Second lever is matched with the plug connector grafting It closes.

8. piston assembly according to claim 6, it is characterised in that:

Second lever includes second body of rod and inlay card part, and the inlay card part is set to one end of second body of rod, described Second body of rod is provided with the second connecting hole far from one end of the inlay card part；First lever is matched with inlay card part clamping It closes.

9. piston assembly according to claim 8, it is characterised in that:

The balanced component further includes the connecting rod of equilibrium cam with the side wall for being set to the equilibrium cam, first triangle Board group part offers cam path, and the side wall of the piston only offers axis hole；The equilibrium cam is set to the cam path In, the connecting rod sequentially passes through the axis hole and second connecting hole, the connecting rod far from the equilibrium cam one End is connect with nut.

10. a kind of rotary combustion engine, it is characterised in that:

Including outer cylinder body, inner cylinder body and piston shaft assembly, exhaust outlet, air inlet and spark are provided on the peripheral wall of the outer cylinder body Plug, the inner cylinder body and the outer cylinder body are rotatablely connected, and the inner cylinder body is rotated around its axial line relative to the outer cylinder body, and The axial line of the inner cylinder body and the axial line of the outer cylinder body are arranged in a staggered manner, the lateral wall of the inner cylinder body and the outer cylinder body Inner sidewall it is tangent；The piston shaft assembly includes helical mount and the piston dress as described in any one of claim 3-9 Ligand, the piston assembly are installed on the helical mount, and the helical mount is located in the inner cylinder body, the helical mount and institute State outer cylinder body rotation connection, the helical mount rotates around its axial line relative to the outer cylinder body, and the helical mount with it is described Outer cylinder body coaxial arrangement, the piston assembly stretches out the inner cylinder body far from one end of the helical mount, and the piston fills Ligand is connected to the inner sidewall of the outer cylinder body far from one end of the helical mount.