CN108035798A - A kind of Crankless engine mechanical structure - Google Patents
A kind of Crankless engine mechanical structure Download PDFInfo
- Publication number
- CN108035798A CN108035798A CN201711297941.6A CN201711297941A CN108035798A CN 108035798 A CN108035798 A CN 108035798A CN 201711297941 A CN201711297941 A CN 201711297941A CN 108035798 A CN108035798 A CN 108035798A
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- CN
- China
- Prior art keywords
- cylinder
- main shaft
- bevel gear
- box
- gear
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B57/00—Internal-combustion aspects of rotary engines in which the combusted gases displace one or more reciprocating pistons
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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
- F02F1/24—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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a kind of Crankless engine mechanical structure, including toggle, cylinder and cylinder head, bevel gear box, Cylinder Gear roller box, the critical pieces such as main shaft, wherein main shaft respectively with cylinder, bevel gear box, Cylinder Gear roller box is connected, toggle is connected with bevel gear box, the reciprocating motion of piston is changed into the rotation of crank by the present invention by crank connecting link, connecting rod uses misconstruction design to improve stress, each crank is connected with a bevel pinion, cylinder is rotated with main shaft at the same time, speed discrepancy between main shaft and bevel gear box is balanced using Cylinder Gear roller box, the present invention instead of bent axle using gear drive, solve the problems, such as to bring and difficulty using bent axle, so that the structure of engine is more compact, work efficiency higher.
Description
Technical field
The invention belongs to field of power equipment technology, more particularly to a kind of Crankless engine mechanical structure.
Background technology
Modern most popular internal combustion engine is petrol and diesel oil machine, since Multi-Cylinder Diesel Engine has the spy such as smooth running, good dynamic property
Point, Modern Internal-Combustion Engine is mostly Multi-Cylinder Diesel Engine, therefore Modern Internal-Combustion Engine has a critically important part --- bent axle.
The effect of bent axle is that the reciprocating motion of piston is converted to the rotary motion of main shaft, and outwards exports whole power.
The working environment of bent axle is severe, can be subject to periodic gas force, reciprocal inertia force, centrifugal intertia force etc. are complicated to carry in work
Lotus, can produce torsion and horizontal, extensional vibration, to bear the load such as tensile, compressive, bending song, therefore the possibility to break down is very big, pole
The earth effect safety and economy of internal combustion engine.
In addition, bent axle to run well, it is necessary to which the space of the enough crank ups of IC engine airframe internal reservation, greatly reduces
The power density of internal combustion engine.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of Crankless engine mechanical structure, solve due to making
Technical difficulty, safety problem and the engine power density brought with bent axle reduces problem, so as to further improve engine
Performance.
The technical solution adopted by the present invention to solve the technical problems is：A kind of Crankless engine mechanical structure is provided,
Including toggle, cylinder and cylinder head, bevel gear box, Cylinder Gear roller box, main shaft, main shaft respectively with conical gear
Case, Cylinder Gear roller box are connected, and cylinder is connected with main shaft and coaxially, cylinder is rotated with main shaft, and a main shaft is provided with cylinder
Hole and several cylinder through holes, piston straight reciprocating motion in cylinder through hole, cylinder are fixed with main shaft, and piston is connected by crank
Linkage is connected with bevel gear box；Cylinder head spindle hole, air intake duct and exhaust duct are opened up in cylinder head, its air intake duct and exhaust
The sum of the quantity in road is identical with cylinder number of openings, and cylinder head is connected with main shaft by bearing.
By above-mentioned technical proposal, bevel gear box contains a bevel gear wheel and four bevel pinions, bevel pinion with
Bevel gear wheel is in 90 °, is arranged symmetrically, and the central axes of bevel gear wheel are overlapped with main shaft, each crank in toggle with
One bevel pinion is connected.
By above-mentioned technical proposal, the straight reciprocating motion of piston is changed into the rotation of crank, connecting rod by toggle
Using misconstruction.
By above-mentioned technical proposal, Cylinder Gear roller box is made of two groups of cylindrical gear pairs, and first gear pair includes the first master
Driving wheel and the first driven wheel, the first driving wheel are arranged on the axis of bevel gear wheel, second gear pair include the second driving wheel and
Second driven wheel, the second driving wheel and the first driven wheel are coaxial, and the second driven wheel is arranged on main shaft.
By above-mentioned technical proposal, cylinder, cylinder head are cylindric, and cylinder head is not contacted with cylinder, is set in cylinder head
There is end face labyrinth seal.
By above-mentioned technical proposal, spindle hole is located at the center of cylinder, and cylinder through hole is uniformly arranged around spindle hole.
By above-mentioned technical proposal, the exhaust duct in cylinder head is through hole, and air intake duct is the group of through hole and cylinder head side face
Close.
The beneficial effect comprise that：Crankless engine mechanical structure of the present invention is solved due to the use of bent axle band
Technical difficulty, safety problem and the engine power density come reduces problem, so as to further improve the performance of engine.
Brief description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is Crankless engine mechanical structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the internal structure schematic diagram of Fig. 1；
Fig. 3 is air cylinder head structure schematic diagram of the embodiment of the present invention；
Fig. 4 is structural representation of air cylinder of the embodiment of the present invention；
Fig. 5 is brace and connecting rod framework schematic diagram of the embodiment of the present invention；
Fig. 6 is bevel gear box structural side view of the embodiment of the present invention；
Fig. 7 is bevel gear box structure top view of the embodiment of the present invention；
Fig. 8 is cylinder roller box structure schematic diagram of the embodiment of the present invention；
Fig. 9 is cylinder roller box structural side view of the embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
In the embodiment of the present invention, there is provided a kind of Crankless engine mechanical structure, including toggle, cylinder are gentle
Cylinder cap, bevel gear box, Cylinder Gear roller box, main shaft, main shaft are connected with bevel gear box, Cylinder Gear roller box respectively, cylinder and master
Axis is connected and coaxially, cylinder is rotated with main shaft, a spindle hole and several cylinder through holes is provided with cylinder, piston is in gas
Straight reciprocating motion in cylinder through hole, cylinder are fixed with main shaft, and piston is connected by toggle with bevel gear box；Cylinder
Cylinder head spindle hole, air intake duct and exhaust duct are opened up in lid, the sum of quantity of its air intake duct and exhaust duct and cylinder number of openings
Identical, cylinder head is connected with main shaft by bearing.Using bevel gear box by the rotation for being changed into main shaft of each crank,
Cylinder is rotated with main shaft at the same time, to complete the distribution process of engine.
Further, bevel gear box contains a bevel gear wheel and four bevel pinions, bevel pinion and auger tooth
Take turns in 90 °, be arranged symmetrically, the central axes of bevel gear wheel are overlapped with main shaft, each crank in toggle and one small
Bevel gear is connected.The effect of the bevel gear box is that the torque of four groups of crank connecting link outputs is output on same axis so that
Output is more steady, while provides power for the piston motion in non-expansion stroke cylinder.
Further, the straight reciprocating motion of piston is changed into the rotation of crank by toggle, and connecting rod is using wrong
Bit architecture.In order to make the pressure suffered by connecting rod on same axis, therefore misconstruction is designed, while this structure can
To improve the stress of gearbox input shaft.
Further, Cylinder Gear roller box is made of two groups of cylindrical gear pairs, first gear pair include the first driving wheel and
First driven wheel, the first driving wheel are arranged on the axis of bevel gear wheel, second gear pair include the second driving wheel and second from
Driving wheel, the second driving wheel and the first driven wheel are coaxial, and the second driven wheel is arranged on main shaft.Cylinder Gear roller box act as coordinating
The speed discrepancy of main shaft and large bevel gear shaft.Due to the existing rotation of large bevel gear shaft, and there are the public affairs produced as gear-box rotates
Turn, thus its there is speed discrepancy all the time between main shaft, it is therefore desirable to carry out rotating speed coordination with the gear-box.Main shaft and circular cone
Speed discrepancy between gear-box is balanced using Cylinder Gear roller box.
Further, cylinder, cylinder head are cylindric that cylinder head is not contacted with cylinder, and end face is equipped with cylinder head
Labyrinth seal.
Further, spindle hole is located at the center of cylinder, and cylinder through hole is uniformly arranged around spindle hole.
Further, the exhaust duct in cylinder head is through hole, and air intake duct is the combination of through hole and cylinder head side face.
In presently preferred embodiments of the present invention, there is provided a kind of Crankless engine mechanical structure, as shown in figs 1-9, including song
Handle linkage, cylinder 3 and cylinder head 2, bevel gear box 6, Cylinder Gear roller box 8, main shaft 1, main shaft 1 respectively with cylinder 3, circular cone
Gear-box 6, Cylinder Gear roller box 8 are connected, and 7 connecting rod of crank, 5 mechanism is connected with bevel gear box 6, and the present invention transports the reciprocal of piston 4
The dynamic rotation for being changed into crank 7 by toggle, connecting rod 5 use misconstruction design to improve stress, each crank 7 and
One bevel pinion 6b is connected, then using bevel gear box 6 by the rotation for being changed into main shaft 1 of each crank 7, at the same time
Cylinder 3 is rotated with main shaft 1, and to complete the distribution process of engine, the speed discrepancy between main shaft 1 and bevel gear box 6 uses circle
Stud wheel case 8 balances.Cylinder head 2 is cylindrical member, its structure includes cylinder head spindle hole 2a, air intake duct 2b and exhaust duct
The quantity of 2c, its air intake duct 2b and exhaust duct 2c should be designed according to cylinder through hole 3b numbers；Its effect has：Closed cylinder 3 pushes up
Portion, closed cylinder operation space, and the various runners of arrangement, including air intake duct 2b, exhaust duct 2c are collectively constituted with piston 4,
And cooling water channel etc.；Since cylinder head 2 is fixed, cylinder 3 rotates, therefore cylinder head 2 cannot be contacted with cylinder 3, be set on it
In respect of end face labyrinth seal.Cylinder 3 is also cylindrical member, its structure includes cylinder through hole 3b and cylinder spindle hole 3a；It
Effect is that guiding piston 4 carries out straight reciprocating motion in cylinder, meanwhile, it is equipped with cylinder jacket, and the abrasion for solving cylinder 3 is asked
Topic.Toggle includes connecting rod 5, crank 7 and misconstruction 5a, and the purpose for designing misconstruction is made suffered by connecting rod 5
Pressure on same axis, to improve 5 stress of connecting rod, while this structure can improve 6 input shaft of bevel gear box
The stress of 6a.Bevel gear box 6 contains 1 bevel gear wheel 6c and 4 bevel pinion 6b, and the quantity of bevel pinion 6b is by cylinder
Through hole 3b quantity determines；Bevel pinion 6b and bevel gear wheel 6c are in 90 °, are arranged symmetrically, central axes and the main shaft 1 of bevel gear wheel 6c
Overlap.The effect of the bevel gear box 6 is that the torque exported by 4 suite handle, 7 connecting rod 5 is output on same axis so that defeated
Go out more steadily, while power is provided for the piston motion in non-expansion stroke cylinder.Cylinder Gear roller box 8 is by two groups of roller gears
Pair composition, the driving wheel of a gear pair are the gear 8c on large bevel gear shaft 9, and driven wheel is gear 8a, another gear pair
Driving wheel be gear 8b, driven wheel is coaxial for the gear 8d, gear 8a and gear 8b on main shaft.It act as coordination main shaft
1 with the speed discrepancy of large bevel gear shaft 9.Due to 9 existing rotation of large bevel gear shaft, and have as bevel gear box 6 rotates and produces
Revolution, so its there is speed discrepancy all the time between main shaft 1, it is therefore desirable to carry out rotating speed coordination with the Cylinder Gear roller box 8.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (7)
1. a kind of Crankless engine mechanical structure, it is characterised in that including toggle, cylinder and cylinder head, circular cone
Gear-box, Cylinder Gear roller box, main shaft, main shaft are connected with bevel gear box, Cylinder Gear roller box respectively, and cylinder is connected and together with main shaft
Axis, cylinder are rotated with main shaft, and a spindle hole and several cylinder through holes are provided with cylinder, and piston is straight in cylinder through hole
Line moves back and forth, and cylinder is fixed with main shaft, and piston is connected by toggle with bevel gear box；Gas is opened up in cylinder head
Cylinder cap spindle hole, air intake duct and exhaust duct, its air intake duct and the sum of the quantity of exhaust duct are identical with cylinder number of openings, cylinder head
It is connected with main shaft by bearing.
2. Crankless engine mechanical structure according to claim 1, it is characterised in that bevel gear box contains one
Bevel gear wheel and four bevel pinions, bevel pinion is in 90 ° with bevel gear wheel, is arranged symmetrically, the central axes of bevel gear wheel and master
Overlapping of axles, each crank in toggle are connected with a bevel pinion.
3. Crankless engine mechanical structure according to claim 1 or 2, it is characterised in that toggle will be living
The straight reciprocating motion of plug is changed into the rotation of crank, and connecting rod uses misconstruction.
4. Crankless engine mechanical structure according to claim 2, it is characterised in that Cylinder Gear roller box is by two groups of cylinders
Gear pair forms, and first gear pair includes the first driving wheel and the first driven wheel, and the first driving wheel is arranged on bevel gear wheel
On axis, second gear pair includes the second driving wheel and the second driven wheel, and the second driving wheel and the first driven wheel are coaxial, second from
Driving wheel is arranged on main shaft.
5. Crankless engine mechanical structure according to claim 1 or 2, it is characterised in that cylinder, cylinder head are circle
Column, cylinder head are not contacted with cylinder, and end face labyrinth seal is equipped with cylinder head.
6. Crankless engine mechanical structure according to claim 1 or 2, it is characterised in that spindle hole is located at cylinder
Center, cylinder through hole are uniformly arranged around spindle hole.
7. Crankless engine mechanical structure according to claim 1 or 2, it is characterised in that the exhaust duct in cylinder head
For through hole, air intake duct is the combination of through hole and cylinder head side face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711297941.6A CN108035798A (en) | 2017-12-08 | 2017-12-08 | A kind of Crankless engine mechanical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711297941.6A CN108035798A (en) | 2017-12-08 | 2017-12-08 | A kind of Crankless engine mechanical structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108035798A true CN108035798A (en) | 2018-05-15 |
Family
ID=62101800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711297941.6A Pending CN108035798A (en) | 2017-12-08 | 2017-12-08 | A kind of Crankless engine mechanical structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108035798A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454557A (en) * | 2018-06-21 | 2019-11-15 | 浙江大学 | A kind of link gearing for eliminating lateral pressure and connecting rod tilting moment |
| CN111120089A (en) * | 2020-01-28 | 2020-05-08 | 西北农林科技大学 | Multi-cylinder internal combustion engine device |
| CN114953364A (en) * | 2022-06-14 | 2022-08-30 | 常州市佳乐车辆配件制造有限公司 | Front mold oblique secondary internal drawing injection molding process and device of automobile ventilation cover plate |
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| KR20070058719A (en) * | 2005-12-05 | 2007-06-11 | 이병규 | Engine |
| CN201025125Y (en) * | 2007-04-25 | 2008-02-20 | 北华大学 | Dual-side rack drive fuel engine |
| CN204060931U (en) * | 2014-08-02 | 2014-12-31 | 熊薇 | The differential transmission mechanism of internal-combustion engine |
| JP5902729B2 (en) * | 2014-02-13 | 2016-04-13 | 高木 泰男 | Isometric Isotropically Placed Reciprocating Engine |
-
2017
- 2017-12-08 CN CN201711297941.6A patent/CN108035798A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070058719A (en) * | 2005-12-05 | 2007-06-11 | 이병규 | Engine |
| CN201025125Y (en) * | 2007-04-25 | 2008-02-20 | 北华大学 | Dual-side rack drive fuel engine |
| JP5902729B2 (en) * | 2014-02-13 | 2016-04-13 | 高木 泰男 | Isometric Isotropically Placed Reciprocating Engine |
| CN204060931U (en) * | 2014-08-02 | 2014-12-31 | 熊薇 | The differential transmission mechanism of internal-combustion engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454557A (en) * | 2018-06-21 | 2019-11-15 | 浙江大学 | A kind of link gearing for eliminating lateral pressure and connecting rod tilting moment |
| CN111120089A (en) * | 2020-01-28 | 2020-05-08 | 西北农林科技大学 | Multi-cylinder internal combustion engine device |
| CN114953364A (en) * | 2022-06-14 | 2022-08-30 | 常州市佳乐车辆配件制造有限公司 | Front mold oblique secondary internal drawing injection molding process and device of automobile ventilation cover plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180515 |
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| RJ01 | Rejection of invention patent application after publication |