CN208564762U - A kind of linear crank connecting link power mechanism - Google Patents

Abstract

The utility model discloses a linear crank connecting rod working mechanism. The working mechanism comprises a left cylinder block, a right cylinder block, a crankshaft, two or more working components and a corresponding exhaust component; the two ends of the working component are respectively It is the piston end and the power generation end. The power generation end cooperates with the power chamber of the right cylinder block, and the connection points of each power component are evenly distributed on the circumference of the crankshaft; the two ends of the crankshaft are connected with the left cylinder block and the right cylinder block through bearings; The gas component is in contact with the cam of the crankshaft to discharge the exhaust gas; the piston end of the power component is driven by high-pressure gas to perform a power stroke, and the power component drives the crankshaft to rotate; the power generation end of the power component moves in the left cylinder body and is The linear generator performs work. After the movement is in place, the other power components are in the power stroke. The crankshaft keeps rotating and drives the power components into the exhaust stroke. The exhaust gas in the power chamber enters the exhaust cavity of the right cylinder block; the exhaust gas Driven by the crankshaft, the assembly opens the exhaust valve to discharge the exhaust gas.

Description

A kind of linear crank connecting link power mechanism

Technical field

The utility model relates to a kind of acting mechanisms, and in particular to a kind of crank connecting link acting mechanism belongs to engine skill Art field.

Background technique

Piston-mode motor is also reciprocating engine, is a kind of to convert pressure into rotation using one or more pistons The engine of kinetic energy.Crank link mechanism is that piston-mode motor realizes working cycles, completes the main movement portion of energy conversion Point.In power stroke, the thermal energy that fuel combustion generates is converted to the reciprocating motion of piston by it, is changed by crankshaft rotary motion For mechanical energy, external output power.

For the distance increasing unit of linear motor type, it is linear motion that it, which needs power mechanism, needs to design linear work Function mechanism.The free-piston engine linear electrical generator of Toyota Motor directly eliminates the crank link mechanism of conventional engines, Using gas spring room, make piston after expansion space stroke terminates, counter motion, into instroke.This mode, quality Gently, small in size, it is high-efficient, but it is also at development phase at present.

Utility model content

In view of this, the present invention provides a kind of linear crank connecting link power mechanisms, can utilize mature drive Dynamic power mechanism of the technology as linear electric generator.

A kind of linear crank connecting link power mechanism, the acting mechanism include left cylinder, right cylinder body, crankshaft and two or more Power assembly and corresponding gas deflation assembly；The left cylinder forms closed cavity after being fixedly connected with right cylinder body, described to do The both ends of function component are respectively piston end and power generation end, the acting chamber cooperation at power generation end and right cylinder body, the connection of each power assembly Point is circumferentially uniformly distributed on the circle of crankshaft；The both ends of the crankshaft are connect by bearing with left cylinder and right cylinder body；The exhaust group Part cooperates with the discharge chamber of right cylinder body respectively, and the cam contact cooperation of gas deflation assembly and crankshaft is realized, and exhaust gas is discharged；Acting group The piston end of part carries out expansion space stroke under the promotion of high-pressure gas, and power assembly drives crank rotation；The power generation of power assembly End movement and work done in linear electric generator in left cylinder, after movement in place, other power assemblies are in expansion space stroke, bent Axis keeps rotation, and crankshaft drives power assembly to enter instroke, and exhaust gas is pressed into exhaust chamber, exhaust gas in work done room by piston end Into in the exhaust cavity of right cylinder body；Gas deflation assembly opens exhaust valve discharge exhaust gas under the drive of crankshaft.

Further, the power assembly includes first piston, second piston, mover stack of laminations, stack of laminations tabletting, master Axis, work doing pistons, sealing ring, bearing, stator stack locating piece and leather cup briquetting；The bearing is matched with the axis interference on crankshaft It closes, while being rolled in the waist type groove of main shaft, drive main shaft to do the flexible linear motion in left and right the rotation of crankshaft；The stator stack Piece group locating piece is attached with the screw thread on main shaft one end；The second piston is attached with the screw thread on main shaft, will be moved Sub- stack of laminations and stack of laminations tabletting compress；The first piston is attached with the screw thread on main shaft and connects with second piston face Touching；The leather cup and leather cup briquetting are connected by bolt and first piston；The screw thread of the work doing pistons and the main shaft other end connects It connects.

Further, the gas deflation assembly includes valve actuating push rod, spring, valve cap, valve guide, valve guide bushing, valve Oil sealing, spring pedestal, the first valve split collets and duaspiracle locking plate；Cam point contact on the valve actuating push rod and crankshaft；Institute The valve cavity for stating valve guide and right cylinder body is interference fitted, while being connected by bolt and right cylinder body；The valve guide bushing with Valve guide interference fit, valve guide bushing and valve-tappet clearance cooperate；The valve oil seal and valve guide bushing are interference fitted；Institute The respective slot for stating the first valve split collets and duaspiracle locking plate and valve actuating push rod cooperates；Spring one end pressing spring bottom Seat, the other end are pushed down valve guide bushing, are placed in the cavity of valve guide.

The utility model has the advantages that

The different location that power assembly is evenly arranged on to crankshaft circumference of the utility model.Push work done living using high-pressure gas Fill in row expansion space stroke, the main shaft of power assembly drives crank rotation, while push power assembly power generation end piston on a left side Movement and the work done in linear electric generator in cylinder body.Since other power assemblies are in expansion space stroke, crankshaft keeps rotation and band Dynamic power assembly makees rebound motion, into instroke.The utility model has the advantages of simple structure, and reliably, noise is small when operation；In conjunction with The advantages of brace and connecting rod framework, while realizing the linear motion of power mechanism.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of linear crank link mechanism；

Fig. 2 is the front view of linear crank link mechanism；

Fig. 3 is the top view of linear crank link mechanism；

Fig. 4 is the cross-sectional view of section C-C in Fig. 2；

Fig. 5 is the cross-sectional view of section D-D in Fig. 3；

Fig. 6 is partial enlarged view at the A in Fig. 4；

1-1- left cylinder, 1-2- right cylinder body, the right mounting seat of 1-3-, the left mounting seat of 1-4-, the first power assembly of 1-5-, The second power assembly of 1-6-, 1-7- third power assembly, the 4th power assembly of 1-8-, 1-9- crankshaft, 1-10- photoelectric measuring quick-mounting It sets, the 4th gas deflation assembly of 1-11-, 1-12- third gas deflation assembly, 1-13- second exhaust component, 1-14- first exhaust component；1- 5-1 leather cup；1-5-2- first piston (power generation end)；1-5-3- second piston (power generation end)；1-5-4- mover stack of laminations；1-5-5- Stack of laminations tabletting；1-5-6- main shaft；1-5-7- work doing pistons (fire end)；1-5-8- sealing ring；1-5-9- bearing；1-5-10- Stator stack locating piece；1-5-11- leather cup briquetting；1-11-1 valve actuating push rod；1-11-2- spring；1-11-3 valve cap；1- 11-4- valve guide；1-11-5- valve guide bushing；1-11-6- valve oil seal；1-11-7- spring pedestal；The first valve of 1-11-8- Locking plate；1-11-9- duaspiracle locking plate.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is described in detail.

As shown in attached drawing 1,2,3 and 4, the utility model provides a kind of linear crank connecting link power mechanism, working machine Structure includes left cylinder 1-1, right cylinder body 1-2, right mounting seat 1-3, left mounting seat 1-4, the first power assembly 1-5, the second work Function component 1-6, third power assembly 1-7, the 4th power assembly 1-8, crankshaft 1-9, photoelectrical velocity measure equipment 1-10, the 4th exhaust group Part 1-11, third gas deflation assembly 1-12, second exhaust component 1-13 and first exhaust component 1-14；

Left cylinder 1-1 and right cylinder body 1-2 is connected by bolt；The left mounting seat 1-4, right mounting seat 1-3 difference It is connected with left cylinder 1-1, right cylinder body 1-2 by bolt；The first power assembly 1-5, the second power assembly 1-6, third are made Function component 1-7 and the 4th power assembly 1-8 cooperates with the work done cavity internal clearance of right cylinder body 1-2 respectively, each power assembly and crankshaft 1-9 is connected by bearing 1-5-9, while the tie point of each power assembly is uniformly distributed at upper 4 points of circle of crankshaft 1-9；Crankshaft 1-9's Both ends are connect by rolling bearing with left cylinder 1-1 and right cylinder body 1-2；First exhaust component 1-14, second exhaust component 1-13, Third gas deflation assembly 1-12 and the 4th gas deflation assembly 1-11 cooperates with the discharge chamber of right cylinder body 1-2 respectively, while valve actuating push rod It being engaged with crankshaft cam, photoelectrical velocity measure equipment 1-10 is mounted on crankshaft 1-10 and the revolving speed of real-time monitoring crankshaft 1-10, Monitor power mechanism operating condition；First power assembly 1-5, the second power assembly 1-6, third power assembly 1-7, the 4th work done The structure composition of component 1-8 is identical；First exhaust component 1-14, second exhaust component 1-13, third gas deflation assembly 1-12 and The structure composition of four gas deflation assembly 1-11 is identical.

Referring to Fig. 5, the first power assembly includes leather cup 1-5-1, first piston (power generation end) 1-5-2, second piston (power generation End) 1-5-3, mover stack of laminations 1-5-4, stack of laminations tabletting 1-5-5, main shaft 1-5-6, work doing pistons (fire end) 1-5-7, sealing Enclose 1-5-8, bearing 1-5-9, stator stack locating piece 1-5-10 and leather cup briquetting 1-5-11；The bearing 1-5-9 and crankshaft Axis interference fit on 1-9, while being rolled in the waist type groove of main shaft 1-5-6, the rotation of crankshaft 1-9 is driven into main shaft 1-5-6 Do the flexible linear motion in left and right；The stator stack locating piece 1-5-10 is attached with the screw thread on main shaft 1-5-6；It is described Second piston (power generation end) 1-5-3 is attached with the screw thread on main shaft 1-5-6, by mover stack of laminations 1-5-4 and stack of laminations pressure Piece 1-5-5 is compressed；First piston (power generation end) 1-5-2 is attached with the screw thread on main shaft 1-5-6, with second piston (power generation end) 1-5-3 face contact；The leather cup 1-5-1 and leather cup briquetting 1-5-11 passes through bolt and first piston (power generation end) 1- 5-2 is connected；Work doing pistons (fire end) the 1-5-7 and main shaft 1-5-6 is connected through a screw thread.

Referring to Fig. 6, the first exhaust component includes valve actuating push rod 1-11-1, spring 1-11-2, valve cap 1-11-3, gas Door guide sleeve 1-11-4, valve guide bushing 1-11-5, valve oil seal 1-11-6, spring pedestal 1-11-7, the first valve split collets 1-11-8 With duaspiracle locking plate 1-11-9；Cam point contact on valve actuating push rod 1-11-1 and crankshaft 1-9；Valve guide 1-11-4 and the right side The valve cavity of cylinder body 1-2 is interference fitted, while being connected by bolt and right cylinder body 1-2；Valve guide bushing 1-11-5 is led with valve 1-11-4 interference fit is covered, with valve actuating push rod 1-11-1 clearance fit；Valve oil seal 1-11-6 and valve guide bushing 1-11-5 interference Cooperation；The respective slot of first valve split collets 1-11-8, duaspiracle locking plate 1-11-9 and valve actuating push rod 1-11-1 cooperate；It is described The one end spring 1-11-2 pressing spring pedestal 1-11-7, the other end push down valve guide bushing 1-11-5, are placed in valve guide 1-11-4 Cavity in.

Four power assemblies are evenly arranged on four different locations of crankshaft circumference.Combustion gas enters in right cylinder body 1-2, work doing pistons 1-5-7 carries out expansion space stroke under the promotion of high-pressure gas, and the main shaft 1-5-6 band dynamic crankshaft 1-9 of power assembly is rotated；It pushes and makees The piston at the power generation end of function component moves in left cylinder 1-1, the work done in linear electric generator.It is transported in mover stack of laminations 1-5-4 After moving in place, since other power assemblies are in expansion space stroke, crankshaft 1-9 keeps rotation, and crankshaft 1-9 drives power assembly to make Rebound motion, into instroke.Exhaust gas is pressed into exhaust chamber in work doing pistons, exhaust gas is flowed to along air discharge duct in work done room In the exhaust cavity of right cylinder body；The cam point contact of the valve actuating push rod 1-11-1 and main shaft 1-5-6, cam driven valve actuating push rod 1-11-1 opens exhaust valve, exhaust gas discharge.

In conclusion the above is only the preferred embodiments of the present utility model only, it is not intended to limit the utility model Protection scope.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all wrap Containing being within the protection scope of the utility model.

Claims (1)

1. a kind of linear crank connecting link power mechanism, which is characterized in that the power mechanism includes left cylinder, right cylinder body, crankshaft With more than two power assemblies and corresponding gas deflation assembly；The left cylinder forms closed chamber after being fixedly connected with right cylinder body Body, the both ends of the power assembly are respectively piston end and power generation end, the acting chamber cooperation at power generation end and right cylinder body, each work done group The tie point of part is circumferentially uniformly distributed on the circle of crankshaft；The both ends of the crankshaft are connect by bearing with left cylinder and right cylinder body；Institute It states gas deflation assembly to cooperate with the discharge chamber of right cylinder body respectively, the cam contact cooperation of gas deflation assembly and crankshaft, which is realized, arranges exhaust gas Out；The piston end of power assembly carries out expansion space stroke under the promotion of high-pressure gas, and power assembly drives crank rotation；Work done group The power generation end of part moves in left cylinder and the work done in linear electric generator, and after movement in place, other power assemblies, which are in, to be made Function stroke, crankshaft keep rotation, and crankshaft drives power assembly to enter instroke, and exhaust gas is pressed into exhaust chamber by piston end, make Exhaust gas enters in the exhaust cavity of right cylinder body in function room；Gas deflation assembly opens exhaust valve discharge exhaust gas under the drive of crankshaft；Institute Stating power assembly includes first piston, second piston, mover stack of laminations, stack of laminations tabletting, main shaft, work doing pistons, sealing ring, axis It holds, stator stack locating piece and leather cup briquetting；Axis on the bearing and crankshaft is interference fitted, while in the waist type groove of main shaft The rotation of crankshaft is driven main shaft to do the flexible linear motion in left and right by middle rolling；The stator stack locating piece is connect with main shaft； Mover stack of laminations and stack of laminations tabletting are compressed after the connection of one end of the second piston and main shaft；The first piston and main shaft Connection and with second piston face contact；The leather cup and leather cup briquetting are connected by bolt and first piston；The work doing pistons It is connect with the other end of main shaft；The gas deflation assembly includes valve actuating push rod, spring, valve cap, valve guide, valve guide bushing, gas Door oil sealing, spring pedestal, the first valve split collets and duaspiracle locking plate；Cam point contact on the valve actuating push rod and crankshaft； The valve cavity of the valve guide and right cylinder body is interference fitted, while being connected by bolt and right cylinder body；The valve guide bushing It is interference fitted with valve guide, valve guide bushing and valve-tappet clearance cooperate；The valve oil seal and valve guide bushing are interference fitted； The cooperation of the respective slot of first valve split collets and duaspiracle locking plate and valve actuating push rod；Spring one end pressing spring bottom Seat, the other end are pushed down valve guide bushing, are placed in the cavity of valve guide.