CN2193431Y - Engine without crankshaft connecting rod - Google Patents
Engine without crankshaft connecting rod Download PDFInfo
- Publication number
- CN2193431Y CN2193431Y CN 94202320 CN94202320U CN2193431Y CN 2193431 Y CN2193431 Y CN 2193431Y CN 94202320 CN94202320 CN 94202320 CN 94202320 U CN94202320 U CN 94202320U CN 2193431 Y CN2193431 Y CN 2193431Y
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- CN
- China
- Prior art keywords
- main shaft
- piston
- dial
- cylinder
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an engine without a crankshaft connecting rod. The engine is at least composed of a main shaft with closed curve grooves and a plurality of shifting fingers which are connected with the piston. The shifting fingers are pulled by the piston to make reciprocating motion along a straight line which is parallel to a central line of the main shaft. The shifting fingers slide in the curve grooves of the main shaft, the generated force moment which causes the main shaft to rotate can drive the main shaft to rotate. Inversely, the rotation of the main shaft can drive the piston to make alternating motion through the shifting fingers. A cam plate which is arranged on the main shaft can directly control the motion of an inlet-exhaust air valve, and the engine without a crankshaft connecting rod has the characteristics of high specific power, small vibration, simple structure, etc.
Description
The utility model is a kind of non-crankshaft and non-connecting rod engine.
The piston reciprocating engine of extensive use now all is by crankshaft-linking rod drive mechanism, realizes linear reciprocating motion and the mutual conversion that rotatablely moves.Because crankshaft-linking rod drive mechanism has eccentric load, it will produce vibration inevitably when work.Disturbance torque for equilibrium centrifugation inertial force, reciprocal inertia force, cylinder pressure and their generations needs be provided with equilibrium block on bent axle.In axle system, set up trunnion shaft and torsional oscillation abatement device etc.This makes complete machine structure and complex process, volume and weight bigger.The rotary piston engine of Germany's engineer wankel invention is compared with the motor of crankshaft-link rod transmission, vibrate less, specific power is bigger, but its manufacturing process complexity.Because of the sealing of cylinder body and piston space does not reach a standard, Wankel engine is not extensive use as yet so far.China engineer opens beautiful remy hair bright ' the no link gearing of motor and compressor ' (China Patent No. 85200243), and the characteristics of its transmission device are: piston promotes crankshaft rotating by ' garden slide block '.This driving mechanism still has eccentric load.
The purpose of this utility model provides a kind of new work engine, reaches purposes such as specific power is big, vibration is little, simple in structure, easy to manufacture, cost is low.
The utility model is achieved in that with a grooving wheel drive mechanism, replaces the crankshaft-linking rod drive mechanism of available engine and compressor.This grooving wheel drive mechanism is made up of with the finger of dialling that piston links together a main shaft that has a closed curve groove and several at least.The center curve of the closed curve groove on the main shaft has fixing cycle and amplitude.Its cycle is identical with the cycle that piston makes a round trip, or its integral multiple.Its amplitude equals the stroke of piston.This curve can be ellipse garden line, sinusoidal curve or other curve.This curve joins end to end, and forms closed curve.Dial to refer to it is the garden cylindricality, its diameter is slightly less than the width of main shaft upper curve groove.Dial in the curvilinear groove that refers to be inserted on the main shaft.Dialling finger can rotate in dialling the sleeve that refers to seat, and sleeve also can rotate in dialling the finger seat.Spring is housed in the sleeve, makes to dial to refer to be pressed in the curvilinear groove of main shaft.Dial and refer to that seat and two mutual opposed pistons link together.Dial and refer to that seat is subjected to the constraint of two guiding grooves when motion.The center line of piston and guiding groove all with alignment of shafts line parallel.In motor, dial to refer to that seat is driven by piston, along with the straight reciprocating motion of alignment of shafts line parallel.Dial and refer in the curvilinear groove of main shaft, slide generation torque actuated main axis rotation.In motor, distributor can directly be contained in an end of main shaft.The number of contacts of this distributor equals half of cylinder sum.Each contact of distributor all is connected with a spark plug of one group of cylinder, also with in another group cylinder is connected with a spark plug that the former differs a certain phase place simultaneously.Main shaft whenever circles, and each spark plug of two groups of cylinders is all got angry once.Its ignition order is to light a fire successively along the main axis rotation direction.The inlet and outlet house steward of two groups of cylinders all can make volute shape.Air-strainer, vaporizer, starting arrangement, lubricated and cooling system etc. are identical or similar with available engine all.
The embodiment's who the utility model proposes below in conjunction with description of drawings concrete structure and working condition.
Fig. 1. be the longitudinal sectional view of non-crankshaft and non-connecting rod engine.
Fig. 2. be Fig. 1. the transverse sectional view at the A place.
Fig. 3. be Fig. 1. the transverse sectional view at the B place.
Fig. 4. be the schematic representation of the spark plug wiring of distributor and two groups of cylinders.
Fig. 1. shown in device in, 2. main shaft has the closed curve groove on 1..The center curve of this curvilinear groove is the space curve of an end-to-end on the cylinder of main shaft garden.This curve launches planar, is one and has long sinusoidal curve of two cycles.Amplitude between two adjacent flex points of this curve equals piston stroke 6..8. 7. two opposed pistons reach threaded pin by piston rod, 9. is joined together to form an integral body with group finger seat.The to-and-fro motion in two concentric cylinders of this whole piston assembly, its helical pitch is greater than 3 times of strokes.This makes piston ring
With cylinder liner
Between stressed and wearing and tearing evener.Dial to refer to 3. can sleeve 5. in rotation, its bared end is inserted in the curvilinear groove of main shaft, its top is blunt garden taper, or adorns a steel ball.Spring
10. be fixed in the sleeve by jackscrew.This spring will be dialled finger pressure and lean against in the curvilinear groove.Sleeve can dial refer to rotation during seat 9., and and guiding groove
Contact.Dial and refer to seat and guiding groove
Contact.Guiding groove
,
Center line and alignment of shafts line parallel.4. cylinder body is that the garden is barrel-shaped.Main shaft is positioned on the center of cylinder body.Two groups of cylinders (every group of 8 cylinders) evenly and symmetrically are distributed in and the concentric garden of main shaft on week.On the cylinder body at guiding groove two ends, the cushion pad made from soft metal or other materials is housed
When group finger is in the flex point of main shaft upper curve groove, dials the finger seat and just contact with cushion pad.
Fig. 1 and cylinder cap shown in Figure 3
Be the garden cheese, there is a hole at the center, and main shaft is passed.The position corresponding with cylinder on cylinder cap offers the hole, firing chamber
Wherein be equiped with exhaust valve
And valve seat
, intake valve
And valve seat
And spark plug
A cam disk respectively is housed at the main shaft two ends
Two groups of ring-type cams are arranged on cam disk, and the steel ball with intake valve bar and exhaust valve rod end contacts respectively.When main axis rotation, cam disk is the intake valve and the exhaust valve of each cylinder of opening and closing successively.The inlet and outlet house steward of two groups of cylinders all can make volute shape.In compressor, do not offer the hole, firing chamber on the cylinder cap, only in position go up threading, outlet valve.
In motor, distributor
Can directly be contained in an end of main shaft.Distributor has 8 contacts.Each contact all is connected with a spark plug of one group of cylinder, also organizes a spark plug that differs (π)/2 phase place in cylinder with the former with another simultaneously and is connected.Circuit breaker
Coaxial with distributor.Main shaft whenever circles, and contact breaker points disconnects 8 times.
Distributor, circuit breaker, spark coil
, storage battery
, ignition switch
, spark plug etc. is all identical with available engine.Other parts such as piston ring, cylinder sleeve, valve, valve seat all can adopt the standard piece or the general part of available engine.Cylinder body and piston etc. be the parts material therefor in addition, and be all identical with available engine or similar.
The working procedure of this motor is:
For motor, starting electrical machinery drives the main shaft rotation during startup---and the curvilinear groove drive on the main shaft is dialled and is referred to and a group finger seat to-and-fro motion, piston is to-and-fro motion thereupon also---meanwhile, main shaft also drives the cam rotation of the distributor rotor and the circuit breaker of cam disk and distributor, make the action of inlet and exhaust valve follow procedure, spark plug connects sequentially fired---and the engine start operation, starting electrical machinery quits work.When motor normally moved, main shaft revolution (π)/4 radian respectively had a cylinder to be in the outburst state in two groups of cylinders, and main shaft whenever circles, and all cylinder is all finished four stroke cycle one time.Working procedures such as idle, shutdown are identical with available engine.
For motor, the diameter of spindle curve groove section should be substantially equal to 1.5 times of stroke of piston.
The major advantage of this engine is:
1. this machine does not have eccentric load, and piston stroke is parallel with main shaft, and main shaft is not subjected to radial load, and it is almost not vibration when work.
2. two groups of cylinders of this machine are oppositely arranged, and the duty of each cylinder is identical with the duty of respective cylinder in another group in one group when work, and piston is cancelled out each other by the axial force that reversal means acts on the main shaft, and main shaft is subjected to axial force hardly.
3. this machine cylinder number is many, and main shaft rotates no dead point.The all to-and-fro motion in mutual opposed two cylinders of each group piston, they play buffer function mutually, and piston is operated steadily, and the main shaft output torque is even, stable.
4. the piston helical pitch is difficult for swing greater than 3 times of strokes during the piston operation.Piston ring and cylinder liner abrasion are even, and cylinder seal is reliable, and seal durability is long.
5. cam disk and distributor directly are contained on the main shaft, and driving mechanism is greatly simplified.This machine compact structure, specific power is big.
Simple, the easy processing of cylinder body and main shaft structure, do not need special device.Air-strainer, vaporizer, distributor, circuit breaker, ignition switch, spark plug, piston ring, cylinder sleeve, valve, valve seat, starting arrangement, lubricated and cooling system etc. are parts in addition, can adopt the standard piece or the general part of available engine.Easily damaged parts (for example dialling finger) is changed easily.This machine manufacturing and maintenance cost are low.
This machine is fit to do the power of helicopter, light airplane, racing car, racing boat, yacht, limousine, various Motor Vehicle and small generator as motor.
Above-mentioned crankshaft-free connection rod mechanism is suitable for petrol engine, diesel engine, gas engine and compressor equally.
Claims (4)
1, a kind of non-crankshaft and non-connecting rod engine, the driving mechanism that it is characterized in that this motor, at least by a main shaft that has the closed curve groove, refer to form with dialling of linking together of several and piston, the center curve of the closed curve groove on the main shaft, have fixing cycle and amplitude, its cycle is identical with the cycle that piston makes a round trip, or its integral multiple, its amplitude equals the stroke of piston, and this curve is a sinusoidal curve, dial and refer to it is the garden cylindricality, be inserted in the curvilinear groove of main shaft, dial finger and can rotate in dialling the sleeve that refers to seat, sleeve also can rotate in dialling the finger seat, dial and refer to that seat and two mutual opposed pistons link together, dial to refer to that seat is subjected to the constraint of two guiding grooves when motion, the center line of piston and guiding groove all with alignment of shafts line parallel, dial finger and drive by piston, along with the straight reciprocating motion of alignment of shafts line parallel, dial finger and slide in the curvilinear groove of main shaft, produce the moment drive main spindle rotation that makes main axis rotation, cam disk and distributor directly are contained on the main shaft.
2, motor according to claim 1 is characterized in that at the two ends of main shaft a cam disk being housed respectively.When main axis rotation, this cam disk makes the inlet and outlet door of each cylinder by the certain procedure opening and closing, and the inlet and outlet house steward all can make volute shape.
3, motor according to claim 1, it is characterized in that: distributor directly is contained in an end of main shaft, the number of contacts of this distributor equals half of cylinder sum, each contact of distributor all is connected with a spark plug of one group of cylinder, also with in another group cylinder is connected with a spark plug that the former differs a certain phase place simultaneously.
4, motor according to claim 1 is characterized in that: the center line of the closed curve groove on the main shaft can be ellipse garden line or other curves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94202320 CN2193431Y (en) | 1994-01-29 | 1994-01-29 | Engine without crankshaft connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94202320 CN2193431Y (en) | 1994-01-29 | 1994-01-29 | Engine without crankshaft connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2193431Y true CN2193431Y (en) | 1995-03-29 |
Family
ID=33822122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94202320 Expired - Fee Related CN2193431Y (en) | 1994-01-29 | 1994-01-29 | Engine without crankshaft connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2193431Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564330A (en) * | 2015-01-13 | 2015-04-29 | 路新学 | Axial opposed piston tubular cam drive type five stroke engine |
| CN105971724A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Horizontally-opposed cylindrical cam engine |
| CN105971723A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Quadruple cylinder engine provided with cylindrical cam with overhead rollers |
| CN105971725A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Roller lateral dynamic cylindrical cam four-cylinder engine |
| CN106321233A (en) * | 2015-06-26 | 2017-01-11 | 单志贤 | A piston type internal combustion engine |
| CN109519278A (en) * | 2018-12-29 | 2019-03-26 | 苏州帕瓦麦斯动力有限公司 | A kind of engine high-efficiency axial-rotation driving mechanism |
-
1994
- 1994-01-29 CN CN 94202320 patent/CN2193431Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564330A (en) * | 2015-01-13 | 2015-04-29 | 路新学 | Axial opposed piston tubular cam drive type five stroke engine |
| CN104564330B (en) * | 2015-01-13 | 2017-01-18 | 路新学 | Axial opposed piston tubular cam drive type five stroke engine |
| CN106321233A (en) * | 2015-06-26 | 2017-01-11 | 单志贤 | A piston type internal combustion engine |
| CN105971724A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Horizontally-opposed cylindrical cam engine |
| CN105971723A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Quadruple cylinder engine provided with cylindrical cam with overhead rollers |
| CN105971725A (en) * | 2016-06-06 | 2016-09-28 | 浙江大学 | Roller lateral dynamic cylindrical cam four-cylinder engine |
| CN109519278A (en) * | 2018-12-29 | 2019-03-26 | 苏州帕瓦麦斯动力有限公司 | A kind of engine high-efficiency axial-rotation driving mechanism |
| CN109519278B (en) * | 2018-12-29 | 2024-01-30 | 苏州帕瓦麦斯动力有限公司 | Efficient axial rotation driving mechanism of engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |