CN110332291A - A kind of crank-connecting rod mechanism for engine - Google Patents
A kind of crank-connecting rod mechanism for engine Download PDFInfo
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- CN110332291A CN110332291A CN201910442409.1A CN201910442409A CN110332291A CN 110332291 A CN110332291 A CN 110332291A CN 201910442409 A CN201910442409 A CN 201910442409A CN 110332291 A CN110332291 A CN 110332291A
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- connecting rod
- piston
- crank
- wall
- installation axle
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 230000004888 barrier function Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 5
- 210000003323 beak Anatomy 0.000 claims description 13
- 210000005069 ears Anatomy 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 11
- 230000033001 locomotion Effects 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
- F02F11/002—Arrangements of sealings in combustion engines involving cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
- F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
- F16H21/18—Crank gearings; Eccentric gearings
Abstract
The present invention relates to technical field of engines, specifically a kind of crank-connecting rod mechanism for engine, including crankshaft, connecting rod and piston, the outside of the piston is additionally provided with cylinder block, the crankshaft includes balance weight, connecting shaft, the first installation axle and the second installation axle, and in interval fixed setting between balance weight and connecting shaft, keyway is provided on the side outer wall of first installation axle and the second installation axle, and first the outside of installation axle and the second installation axle be connected by key belt wheel and flywheel respectively, the outside of the connecting shaft is socketed with connecting bushing.Installation connection of the beneficial effects of the present invention convenient for connecting rod on crankshaft, in the process of movement, intensity with higher, it ensure that stability when engine acting, change the flat-roof structure of traditional upper piston, the combustion chamber of energy barrier ring, reset spring and large capacity through the invention makes the burning of the energy more abundant, the efficiency of fuel burning can be greatly improved, fuel economy is good.
Description
Technical field
The present invention relates to technical field of engines, specifically a kind of crank-connecting rod mechanism for engine.
Background technique
Crank link mechanism is the important component part of engine, and function is power transformation combustion gas acted on piston top
For the torque of crankshaft, thus to work mechanism output mechanical energy.Brace and connecting rod framework is the power transmitting in reciprocating internal combustion engine
System.Brace and connecting rod framework is that engine realizes working cycles, completes the main movement part of energy conversion.Crank link mechanism
Major part can be divided into three groups, body group, piston connecting rod unit and crankshaft-flywheel group.
Existing crank-connecting rod mechanism for engine unreasonable structural design, it will cause fuel combustion efficiency low, fuel oil warp
Ji property is poor, discharges the disadvantages of high, Chinese application number CN201310157350.4 provides a kind of piston-mode motor crank connecting link machine
Structure, including cylinder, piston, connecting rod and crankshaft, the piston-top surface, which is recessed inwardly, is provided with bowl-type flare pit, the top of the piston
Face and piston circumference side are flat-tope structure transition；The combustion chamber machined surface of cylinder head is set to match with piston-top surface machined surface,
The stability of guaranteed discharge product matter, while the piston-top surface of flat-tope structure can cooperatively form compression clearance with cylinder cap, be conducive to live
Plug reduces the contact area with high-temperature gas, keeps stress distribution uniform, guarantees the integrally-built motion stabilization of crank link mechanism
Property；Also, a part of the piston-top surface of flat-tope structure as combustion chamber, can produce squish flow effect, keep combustion gas mixing in cylinder equal
It is even, facilitate in-cylinder combustion.
Summary of the invention
The purpose of the present invention is to provide a kind of crank-connecting rod mechanism for engine, mentioned above in the background art to solve
Crank-connecting rod mechanism for engine unreasonable structural design, it will cause fuel combustion efficiency low, fuel economy is poor, discharges high
The problem of.
The technical scheme is that a kind of crank-connecting rod mechanism for engine, including crankshaft, connecting rod and piston, the work
The outside of plug is additionally provided with cylinder block, and the crankshaft includes balance weight, connecting shaft, the first installation axle and the second installation axle, and flat
It weighs and is fixedly installed between block and connecting shaft in interval, be provided with key on the side outer wall of first installation axle and the second installation axle
Slot, and the outside of the first installation axle and the second installation axle has been connected by key belt wheel and flywheel, the outside of the connecting shaft respectively
It is socketed with connecting bushing, one end of the connecting rod is fixedly mounted on the side outer wall of connecting rod bearing, outside the piston base
It is provided with mounting groove on wall, and mounting groove is internally provided with connection component, the connecting rod formed together by connection component and piston
Step movement, the connecting rod bearing includes the upper connecting rod lid for being fixedly mounted on connecting rod bottom end, and the inside of upper connecting rod lid is plugged with
Bearing shell, the connecting rod bearing further includes lower link lid compatible with upper connecting rod lid, and the inside of lower link lid is plugged with lower axle
Watt, integrally formed cylinder of picking up the ears is provided on the two sides outer wall of the upper connecting rod lid and lower link lid, it is corresponding described up and down
The pick up the ears inside of cylinder is plugged with connecting-rod bolts, is threaded with connecting rod nut, and connecting rod nut on the end of the connection bolt
Inside an end of picking up the ears.
Further, the balance weight, connecting shaft, the first installation axle and the second installation axle use integrated formed structure, and
The surface of crankshaft uses quenching technology for surfaces, is provided with knuckle on the balance weight, and must be rolled at knuckle
The treatment process such as reinforcing.
Further, the connection component includes the connecting rod set for being fixedly mounted on connecting rod top, is plugged on connecting rod set inside
Piston pin, be provided with single port through slot below the internal piston, and connecting rod set is inserted into the inside of piston by the bottom of piston
And with single port through slot on same straight line, the piston pin is leaned on through the inside that single port through slot and connecting rod cover, the piston pin
The open end of nearly single port through slot has been fixedly attached limited location snap ring, and limited location snap ring is embedded in the inside of single port through slot.
Further, crank-guide way is provided on the outer wall of the connecting rod front and back, and crank-guide way both ends use arc
Round-corner transition.
Further, the top of the cylinder block is fixedly installed with cylinder head by head gasket, and the bottom of cylinder block is set
It is equipped with oil sump.
Further, it is provided with the annular groove equidistantly distributed above the piston outer wall, and annular groove is internally embedded
There is oil seal ring, oil seal ring uses compressible ring structure.
Further, it is provided with combustion chamber on the outer wall of the top land, and combustion chamber is internally provided with movable energy
Blocker ring is measured, is fixedly installed the hemispherical projections equidistantly distributed, the energy barrier ring on energy barrier ring concave surface
It is welded with sliding circle on the outer wall of two lateral roofs, and slides and uses transition fit, the energy barrier between circle and combustion chamber
It is welded with fixing seat on the outer wall of ring bottom, and is welded with guide post on the outer wall of fixing seat bottom, the inside of the piston is opened
There is guide groove, and guide post is plugged on the inside of guide groove, is fixedly installed to be socketed in the port at the top of the guide groove and lead
To the retainer plate outside column, the reset spring being socketed in outside guide post is provided between the retainer plate and fixing seat.
Further, the edge of the top land outer wall is fixedly installed the beak convex edge of bulge-structure, and beak convex edge
Outer side edges and piston edge flush, be provided with the slope in 30 degree on the inner wall of beak convex edge.
Further, it is provided with flaring on the inner wall at the both ends of the connecting rod set, and the inside being flared is plugged with and is socketed in work
Positioning ring outside plug pin.
Further, monosymmetric U-type groove, and the specification of the specification of U-type groove and connecting rod are provided with below the piston
It is adapted, the bottom of the piston is provided with piston train of dress.
The present invention provides a kind of crank-connecting rod mechanism for engine by improving herein, compared with prior art, has as follows
Improvement and advantage:
(1) by the upper connecting rod lid and lower link lid of setting, convenient for installation connection of the connecting rod on crankshaft, in the process of movement
In, intensity with higher ensure that stability when engine acting, cooperate the design of bearing shell, can reduce connecting rod cap and company
Frictional force between spindle reaches the technical requirements of high-efficiency operation.
(2) change the flat-roof structure of traditional upper piston, energy barrier ring, reset spring and large capacity through the invention
Combustion chamber, make the burning of the energy more abundant, the efficiency of fuel burning can be greatly improved, fuel economy is good.
(3) oil seal ring of compression type structure improves the intracorporal leakproofness of deflagrating jar, avoids out in the installation of piston exterior
The problem of existing fuel leakage, facilitates fuel oil and more fully burn.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples:
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is link mechanism schematic diagram of the invention；
Fig. 3 is upper connecting rod lid and lower link lid structural schematic diagram of the invention；
Fig. 4 is upper piston area separation structure cross-sectional view of the invention；
Fig. 5 is piston lower portion separation structure cross-sectional view of the invention.
Description of symbols:
1 balance weight, 2 connecting shafts, 3 first installation axles, 4 second installation axles, 5 flywheels, 6 belt wheels, 7 connecting bushings, 8 connecting rods, 9 connections
Component, 10 pistons, 11 upper connecting rod lids, 12 top bearing shells, 13 are picked up the ears cylinder, 14 crank-guide ways, 15 connecting rod sets, 16 connecting-rod bolts, 17 connecting rods
Nut, 18 lower link lids, 19 lower bearinges, 20 annular grooves, 21 oil seal rings, 22 beak convex edges, 23 sliding circles, 24 energy barrier rings, 25
Hemispherical projections, 26 fixing seats, 27 guide grooves, 28 retainer plates, 29 guide posts, 30 reset springs, 31 single port through slots, 32 limiting cards
Ring, 33 piston pins.
Specific embodiment
Below in conjunction with attached drawing 1 to Fig. 5, the present invention is described in detail, technical solution in the embodiment of the present invention into
Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
The present invention provides a kind of crank-connecting rod mechanism for engine by improving herein, as Figure 1-Figure 5, including crankshaft,
Connecting rod 8 and piston 10, the outside of piston 10 are additionally provided with cylinder block, and crankshaft includes balance weight 1, connecting shaft 2, the first installation axle 3
With the second installation axle 4, and in interval fixed setting between balance weight 1 and connecting shaft 2, the first installation axle 3 and the second installation axle 4
Keyway is provided on the outer wall of side, and the outside of the first installation axle 3 and the second installation axle 4 has been connected by key 6 He of belt wheel respectively
Flywheel 5, the outside of connecting shaft 2 are socketed with connecting bushing 7, and one end of connecting rod 8 is fixedly mounted on the side outer wall of connecting rod bearing 7
On, it is provided with mounting groove on the outer wall of 10 bottom of piston, and mounting groove is internally provided with connection component 9, connecting rod 8 passes through connection group
Part 9 is moved synchronously with the formation of piston 10, upper connecting rod lid 11 of the connecting rod bearing 7 including being fixedly mounted on 8 bottom end of connecting rod, and upper connecting rod
The inside of lid 11 is plugged with top bearing shell 12, and connecting rod bearing 7 further includes lower link lid 18 compatible with upper connecting rod lid 11, and lower company
The inside of bowl cover 18 is plugged with lower bearing 19, is provided with integrated molding on the two sides outer wall of upper connecting rod lid 11 and lower link lid 18
Cylinder 13 of picking up the ears, the upper and lower corresponding inside for picking up the ears cylinder 13 is plugged with connecting-rod bolts 16, connects screw thread on the end of bolt 16 and connect
It is connected to connecting rod nut 17, and connecting rod nut 17 is located inside 13 end of cylinder of picking up the ears.
Further, balance weight 1, connecting shaft 2, the first installation axle 3 and the second installation axle 4 use integrated formed structure, and
The surface of crankshaft uses quenching technology for surfaces, is provided with knuckle on balance weight 1, and finish rolling hardening must be carried out at knuckle
Etc. treatment process, substantially increase rigidity of the crankshaft in transmission process, ensure that stability when movement.
Further, connection component 9 includes the connecting rod set 15 for being fixedly mounted on 8 top of connecting rod, is plugged in connecting rod set 15
The piston pin 33 in portion, the lower section inside piston 10 is provided with single port through slot 31, and connecting rod set 15 is inserted into work by the bottom of piston 10
The inside of plug 10 and with single port through slot 31 on same straight line, piston pin 33 is interior through single port through slot 31 and connecting rod set 15
Portion, piston pin 33 has been fixedly attached limited location snap ring 32 close to the open end of single port through slot 31, and limited location snap ring 32 is embedded in single port
The inside of through slot 31.
Further, crank-guide way 14 is provided on the outer wall of 8 front and back of connecting rod, and 14 both ends of crank-guide way use arc
Round-corner transition reduces the stress that connecting rod 8 generates during the motion, ensure that the intensity of power transmitting.
Further, the top of cylinder block is fixedly installed with cylinder head by head gasket, and the bottom of cylinder block is provided with
Oil sump forms the combustion chamber of sealing structure when burning burning.
Further, it is provided with the annular groove 20 equidistantly distributed above 10 outer wall of piston, and the inside of annular groove 20 is embedding
Entering to have oil seal ring 21, oil seal ring 21 uses compressible ring structure, and compression ring structure is non-seal mouth ring, there is movable space,
It is used herein, can more improve the leakproofness between piston 10 and cylinder block.
Further, it is provided with combustion chamber on the outer wall at the top of piston 10, and combustion chamber is internally provided with movable energy
Blocker ring 24, is fixedly installed the hemispherical projections 25 equidistantly distributed on 24 concave surface of energy barrier ring, and 24 liang of energy barrier ring
It is welded with sliding circle 23 on the outer wall of lateral roof, and slides and uses transition fit, energy barrier ring between circle 23 and combustion chamber
Be welded with fixing seat 26 on the outer wall of 24 bottoms, and be welded with guide post 29 on the outer wall of 26 bottom of fixing seat, piston 10 it is interior
Portion is provided with guide groove 27, and guide post 29 is plugged on the inside of guide groove 27, is fixedly installed in the port at 27 top of guide groove
The retainer plate 28 being socketed in outside guide post 29, is provided between retainer plate 28 and fixing seat 26 and is socketed in outside guide post 29
Reset spring 30, in fuel burning, higher energy pushes energy barrier ring 24 to move downward in the inside of combustion chamber, increases
The volume of combustion chamber, when energy barrier ring 24 drops to least significant end, piston 10 declines in the inside of cylinder block, when under piston 10
When dropping to cylinder block bottom end, reset spring 30 is again returned to energy barrier ring 24 original position, waits next piston 10
Descending motion.
Further, the edge of 10 top exterior walls of piston is fixedly installed the beak convex edge 22 of bulge-structure, and beak convex edge
The edge flush of 22 outer side edges and piston 10 is provided with the slope in 30 degree, beak convex edge 22 on the inner wall of beak convex edge 22
The slightly above flat-top at 10 top of piston, so that there is good leakproofness, and beak is convex between beak convex edge 22 and the inner wall of cylinder block
The explosion that energy is formed along 22 inside and combustion chamber, improves piston 10 in the stability of cylinder block internal motion.
Further, it is provided with flaring on the inner wall at the both ends of connecting rod set 15, and the inside being flared is plugged with and is socketed in piston
Positioning ring outside pin 33 is inserted into the inside of connecting rod set 15 convenient for piston pin 33, facilitates the company between connecting rod 8 and piston 10
Connect installation.
Further, the lower section of piston 10 is provided with monosymmetric U-type groove, and the specification phase of the specification of U-type groove and connecting rod 8
Adaptation, the bottom of piston 10 is provided with piston train of dress, plays the role of being oriented to well.
The operation principle of the present invention is that: in use, operator is mounted on piston 10, crankshaft-and-connecting-rod 8 in cylinder block
Portion, by upper connecting rod lid 11 and lower link lid 18 and connecting-rod bolts 16 and connecting rod nut 17 with, on connecting rod 8 and crankshaft
Connecting shaft 2 is connected, and connecting rod set 16 is inserted into the inside of piston 10 by the lower section of piston 10, is inserted into list using piston pin 33
The inside of mouth through slot 33, is realized to being fixedly connected between connecting rod 8 and piston 10, during engine start, by cylinder
The combustion chamber of body and piston composition forms higher heat, and piston 10 is pushed to pump in the inside of cylinder block,
It is rotated by connecting rod 8 with dynamic crankshaft, is externally done work by flywheel 5 and belt wheel 6, realize the purpose of energy conversion；It is wherein new improved
10 top structure of piston, in fuel burning, higher energy pushes energy barrier ring 24 to move downward in the inside of combustion chamber,
The volume for increasing combustion chamber, when energy barrier ring 24 drops to least significant end, piston 10 declines in the inside of cylinder block, in this respect
The design of structure, substantially increases the adequacy of fuel burning, realizes the high-speed motion and externally of piston 10, connecting rod 8 and crankshaft
Acting.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of crank-connecting rod mechanism for engine, it is characterised in that: including crankshaft, connecting rod (8) and piston (10), the piston
(10) outside is additionally provided with cylinder block, and the crankshaft includes balance weight (1), connecting shaft (2), the first installation axle (3) and second
Installation axle (4), and in interval fixed setting, first installation axle (3) and the second peace between balance weight (1) and connecting shaft (2)
It fills and is provided with keyway on the side outer wall of axis (4), and the outside of the first installation axle (3) and the second installation axle (4) passes through key respectively
It is connected with belt wheel (6) and flywheel (5), the outside of the connecting shaft (2) is socketed with connecting bushing (7), one end of the connecting rod (8)
It is fixedly mounted on the side outer wall of connecting rod bearing (7), is provided with mounting groove, and mounting groove on the outer wall of piston (10) bottom
Be internally provided with connection component (9), the connecting rod (8) by connection component (9) and piston (10) formation move synchronously, it is described
Connecting rod bearing (7) includes the upper connecting rod lid (11) for being fixedly mounted on connecting rod (8) bottom end, and the inside of upper connecting rod lid (11) is plugged with
Top bearing shell (12), the connecting rod bearing (7) further include compatible lower link lid (18) with upper connecting rod lid (11), and lower link lid
(18) inside is plugged with lower bearing (19), is provided on the two sides outer wall of the upper connecting rod lid (11) and lower link lid (18)
Integrally formed cylinder of picking up the ears (13), the inside of the corresponding cylinder (13) of picking up the ears is plugged with connecting-rod bolts (16), the company up and down
Be threaded on the end of connecting bolt (16) connecting rod nut (17), and connecting rod nut (17) be located at pick up the ears in cylinder (13) end
Portion.
2. a kind of crank-connecting rod mechanism for engine according to claim 1, it is characterised in that: the balance weight (1), connection
Axis (2), the first installation axle (3) and the second installation axle (4) use integrated formed structure, and the surface of crankshaft uses surface hardening work
Skill is provided with knuckle on the balance weight (1), and must carry out the treatment process such as finish rolling hardening at knuckle.
3. a kind of crank-connecting rod mechanism for engine according to claim 1, it is characterised in that: connection component (9) packet
It includes and is fixedly mounted on the connecting rod set (15) on connecting rod (8) top, is plugged on the internal piston pin (33) of connecting rod set (15), the piston
(10) internal lower section is provided with single port through slot (31), and connecting rod set (15) is inserted into the interior of piston (10) by the bottom of piston (10)
Portion and with single port through slot (31) on same straight line, the piston pin (33) is through single port through slot (31) and connecting rod set (15)
Inside, the piston pin (33) has been fixedly attached limited location snap ring (32) close to the open end of single port through slot (31), and limited location snap ring
(32) it is embedded in the inside of single port through slot (31).
4. a kind of crank-connecting rod mechanism for engine according to claim 1, it is characterised in that: the connecting rod (8) front and
It is provided on the outer wall at the back side crank-guide way (14), and crank-guide way (14) both ends use arc round-corner transition.
5. a kind of crank-connecting rod mechanism for engine according to claim 1, it is characterised in that: the top of the cylinder block is logical
It crosses head gasket and is fixedly installed with cylinder head, and the bottom of cylinder block is provided with oil sump.
6. a kind of crank-connecting rod mechanism for engine according to claim 1, it is characterised in that: piston (10) outer wall
Top is provided with the annular groove (20) equidistantly distributed, and annular groove (20) has been internally embedded oil seal ring (21), oil seal ring (21)
Using compressible ring structure.
7. a kind of crank-connecting rod mechanism for engine according to claim 1, it is characterised in that: at the top of the piston (10)
It is provided with combustion chamber on outer wall, and combustion chamber is internally provided with movable energy barrier ring (24), the energy barrier ring (24)
The hemispherical projections (25) equidistantly distributed are fixedly installed on concave surface, on the outer wall of (24) two lateral roof of energy barrier ring
It is welded with sliding circle (23), and slides and uses transition fit, energy barrier ring (24) bottom between circle (23) and combustion chamber
It is welded on the outer wall in portion fixing seat (26), and is welded with guide post (29), the piston on the outer wall of fixing seat (26) bottom
(10) inside is provided with guide groove (27), and guide post (29) is plugged on the inside of guide groove (27), guide groove (27) top
It is fixedly installed in the port in portion and is socketed in the external retainer plate (28) of guide post (29), the retainer plate (28) and fixing seat
(26) it is provided between and is socketed in the external reset spring (30) of guide post (29).
8. a kind of crank-connecting rod mechanism for engine according to claim 1, it is characterised in that: outer at the top of the piston (10)
The edge of wall is fixedly installed the beak convex edge (22) of bulge-structure, and the edge of the outer side edges of beak convex edge (22) and piston (10)
Flush is provided with the slope in 30 degree on the inner wall of beak convex edge (22).
9. a kind of crank-connecting rod mechanism for engine according to claim 3, it is characterised in that: the two of the connecting rod set (15)
Flaring is provided on the inner wall at end, and the inside being flared is plugged with and is socketed in the external positioning ring of piston pin (33).
10. a kind of crank-connecting rod mechanism for engine according to claim 1, it is characterised in that: under the piston (10)
The monosymmetric U-type groove of Fang Kaiyou, and the specification of U-type groove is adapted with the specification of connecting rod (8), the bottom of the piston (10) is set
It is equipped with piston train of dress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442409.1A CN110332291A (en) | 2019-05-25 | 2019-05-25 | A kind of crank-connecting rod mechanism for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442409.1A CN110332291A (en) | 2019-05-25 | 2019-05-25 | A kind of crank-connecting rod mechanism for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110332291A true CN110332291A (en) | 2019-10-15 |
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ID=68139807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910442409.1A Pending CN110332291A (en) | 2019-05-25 | 2019-05-25 | A kind of crank-connecting rod mechanism for engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN110332291A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482895A (en) * | 2021-07-28 | 2021-10-08 | 湖南腾智机电有限责任公司 | Double-cylinder diaphragm vacuum pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1529992A2 (en) * | 2003-11-07 | 2005-05-11 | Honda Motor Co., Ltd. | Internal combustion engine and connecting rod therefor |
| CN101701545A (en) * | 2009-11-30 | 2010-05-05 | 一汽靖烨发动机有限公司 | Improved engine |
| CN103256140A (en) * | 2013-04-28 | 2013-08-21 | 重庆小康工业集团股份有限公司 | Piston type engine crank connecting rod mechanism |
| CN206568592U (en) * | 2017-03-07 | 2017-10-20 | 东莞市博现实业有限公司 | A kind of toggle of automatic punching machine |
| CN109113891A (en) * | 2017-06-26 | 2019-01-01 | 华晨汽车集团控股有限公司 | A kind of engine with supercharger crank connecting link system |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1529992A2 (en) * | 2003-11-07 | 2005-05-11 | Honda Motor Co., Ltd. | Internal combustion engine and connecting rod therefor |
| CN101701545A (en) * | 2009-11-30 | 2010-05-05 | 一汽靖烨发动机有限公司 | Improved engine |
| CN103256140A (en) * | 2013-04-28 | 2013-08-21 | 重庆小康工业集团股份有限公司 | Piston type engine crank connecting rod mechanism |
| CN206568592U (en) * | 2017-03-07 | 2017-10-20 | 东莞市博现实业有限公司 | A kind of toggle of automatic punching machine |
| CN109113891A (en) * | 2017-06-26 | 2019-01-01 | 华晨汽车集团控股有限公司 | A kind of engine with supercharger crank connecting link system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482895A (en) * | 2021-07-28 | 2021-10-08 | 湖南腾智机电有限责任公司 | Double-cylinder diaphragm vacuum pump |
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