CN104775899A - Swing piston power machine - Google Patents
Swing piston power machine Download PDFInfo
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- CN104775899A CN104775899A CN201410026988.9A CN201410026988A CN104775899A CN 104775899 A CN104775899 A CN 104775899A CN 201410026988 A CN201410026988 A CN 201410026988A CN 104775899 A CN104775899 A CN 104775899A
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- piston
- oscillating
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- balance
- main shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses a swing piston internal combustion engine structure, and relates to the field of power machines. A swing piston power machine is mainly composed of the components such as an air cylinder, a swing piston, a swinging plate, a main shaft, a swash plate, a spark plug and an intake and exhaust system; the swing piston is mounted in the air cylinder, and is mutually matched with the inner surface of the air cylinder to form four working chambers; along with the swing of the swing piston, the volumes of the working chambers change periodically, and the four strokes of air suction, compression, acting and air exhaust are completed; the swing piston is connected with the main shaft through the swash plate, and mutual conversion between the swing of the piston and the rotation of the main shaft is completed. The swing piston power machine has the advantages of simple and compact structure, large power density, small friction, high operational reliability and efficiency and the like.
Description
Technical field
The invention belongs to field of power machinery, relate to a kind of dynamic power machine structural design, the design of a kind of oscillating-piston dynamic power machine mechanism of special design.
Technical background
Due to small aircraft, robot, widely using of compact power, Structure of need is compact, specific power is large, and reliability is high, easy care, the low dynamic power machine of cost is as power source. and at present, under existing technical specifications, oscillating-piston dynamic power machine has superiority than the dynamic power machine of other structures.
In existing technology, US Patent No. 3338137 and US4884532 have employed oscillating-piston structure, and oscillating-piston is all slidably connected on piston pillar, and the friction of piston and cylinder is reduced; Especially US4884532, each oscillating-piston and cylinder form two active chambers, enormously simplify structure, enhance reliability, guarantee is provided for improving specific power., these two schemes all have employed crankshaft rod structure, although provide reliable guarantee for the output of power, but due to the existence of crankcase, make the compactedness of complete machine and the raising of specific power bring adverse influence.
Summary of the invention
In order to overcome the deficiency of above oscillating-piston dynamic power machine organization plan, the object of this invention is to provide a kind of oscillating-piston dynamic power machine structure and design, can be used for pump, fluid motor, combustion engine or similar devices, especially application with internal combustion engines, have very large superiority.
The present invention realizes mainly through providing following technological scheme. and oscillating-piston dynamic power machine, its structure is primarily of cylinder, and oscillating-piston, oscillating-piston pillar, balance, main shaft, the parts such as valve are formed. it is characterized in that:
Oscillating-piston is arranged on cylinder interior, is connected with cylinder slide bearing by oscillating-piston pillar; The outer surface of oscillating-piston and the internal surface of cylinder cooperatively interact, form four active chambers, along with the swing of oscillating-piston, the change of the volume generating period of active chamber. balance is arranged in oscillating-piston inner chamber, be connected by balance strut slide bearing with oscillating-piston, be connected by swash plate sliding bearing with main shaft, the swing of oscillating-piston be converted into the rotation of main shaft; Main shaft, through oscillating-piston spindle hole and cylinder spindle hole, is connected on cylinder main body with main shaft bearing, carries out power exchange with the external world.
Described cylinder is made up of cylinder main body and two cylinder end pieces; The internal surface of cylinder main body is by two big column inner side surfaces of the radiuses such as concentric, and two small column inner side surfaces and four rectangle facets of the radiuses such as concentric are formed; Two cylinder end piece internal surfaces are plane parallel to each other; Cylinder main body has the cylinder spindle hole being provided with main shaft bearing; Cylinder main body has valve, and distribution device is installed; Cylinder main body is provided with spark plug; Cylinder end piece is provided with oscillating-piston pillar.
The working surface of described oscillating-piston by the big column outer side surface of the radiuses such as two concentrics, the small column outer side surface of the radiuses such as two concentrics, four rectangle planes, two piston end surfaces parallel to each other are formed; Two small column outer side surfaces have for the hole through main shaft, two piston end surfaces have for the hole through oscillating-piston pillar, two big column outer side surfaces have for the hole through balance pillar; Oscillating-piston inside is hollow structure, is used for installing balance and main shaft.
Oscillating-piston is arranged on cylinder interior, is connected with cylinder slide bearing by oscillating-piston pillar; Two big column outer side surfaces of oscillating-piston coordinate with two big column inner side surfaces slipper seal of cylinder main body, two small column outer side surfaces of oscillating-piston coordinate with two small column inner side surfaces slipper seal of cylinder main body, and two piston end surfaces of oscillating-piston coordinate with the slipper seal of two cylinder end piece internal surfaces; Make to form four active chambers between oscillating-piston and cylinder block, when oscillating-piston swings around oscillating-piston pillar in cylinder block, the volume of each active chamber can generating period change.
Described balance is made up of balance body and two balance pillars; The center of balance body has for the balance center hole through main shaft, and balance body running face is made up of upper and lower two conical surfaces and balance center hole internal surface.
Described main shaft is by two d-axis, and an inclined shaft and two swash plates between d-axis and inclined shaft are formed; Main shaft working surface is made up of the conical surface of two between swash plate and inclined shaft and inclined shaft outer surface.
Balance body running face also can be made up of two disks and balance center hole internal surface, and corresponding main shaft working surface is also made up of two disks and inclined shaft outer surface.
The inclined shaft of main shaft is through balance body center hole, and swash plate working surface and balance working surface sliding bearing are connected; The d-axis of main shaft is connected with cylinder main body bearing through the cylinder spindle hole on cylinder main body; Two balance pillars of balance are connected with two balance pillar hole sliding bearings of oscillating-piston; Balance, the effect of swash plate and inclined shaft is that mutual conversion has been carried out in the rotation of the reciprocally swinging of oscillating-piston and main shaft.
Sealing between oscillating-piston and cylinder, adopt Stamping Steel Ribbon, Stamping Steel Ribbon is arranged on out in the groove on oscillating-piston, and bottom is provided with spring sheet, and ensure that Stamping Steel Ribbon can closely cooperate with cylinder inner wall, the position that Stamping Steel Ribbon combines adopts the sealing small column outwards ejected.
The lubricating system that lubricating system adopts press machine oil lubrication and splashing oil lubricating to combine, the cooling of oscillating-piston adopts machine oil cooling, and the cooling of cylinder both can cool by machine oil, also can adopt water-cooled or other modes.
Adopt the oscillating-piston dynamic power machine of the present invention's design to have following advantage, its simple structure, moving element is few, compact structure, the friction of piston and cylinder is little, makes it have very high functional reliability and very high rotating speed, owing to having, there are four independently active chambers, make specific power large.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of the oscillating-piston dynamic power machine that the present invention designs.
Fig. 2 is the view in transverse section of the oscillating-piston dynamic power machine that the present invention designs.
Fig. 3 is the sealed structural representation of the oscillating-piston dynamic power machine that the present invention designs.
Fig. 4 is the balance of first embodiment and the schematic diagram of main shaft working surface.
Fig. 5 is the balance of second embodiment and the schematic diagram of main shaft working surface.
Label in figure represents respectively: 1, cylinder; 2, oscillating-piston; 3, balance; 4, main shaft; 5, oscillating-piston pillar; 6, oscillating-piston pillar hole; 7, balance pillar; 8, balance pillar hole; 9, oscillating-piston spindle hole; 10, cylinder screw rod; 11, cylinder nut; 12, main shaft bearing; 13, valve; 14, spark plug; 15, cylinder main body; 16, cylinder end piece; 17, big column inner side surface; 18, active chamber; 19, big column outer side surface; 20 apex sealing strips; 21, oscillating-piston inner chamber; 22, small column inner side surface; 23, small column outer side surface; 24, piston facet; 25, swash plate; 26 inclined shafts; 27, firing chamber; 28, balance body; 29, d-axis; 30, sealing small column; 31, end plane sealing strip; 32, main shaft working surface; 33, balance working surface; 34, balance center hole, 35, cylinder spindle hole.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment
Oscillating-piston dynamic power machine designed by the present invention, runs with the working method of four-stroke spark ignition internal combustion engine.
As Fig. 1, shown in Fig. 2, oscillating-piston dynamic power machine, its structure mainly comprises cylinder (1), oscillating-piston (2), oscillating-piston pillar (5), balance (3), main shaft (4), valve (13), the parts such as spark plug (14) are formed. and it is inner that oscillating-piston (2) is arranged on cylinder (1), is connected with cylinder (1) sliding bearing by oscillating-piston pillar (5); The outer surface of oscillating-piston (2) and the internal surface of cylinder (1) cooperatively interact, form four active chambers (18), along with the swing of oscillating-piston (2), the change of the volume generating period of active chamber (18). balance (3) is arranged in oscillating-piston inner chamber (21), be connected by balance pillar (7) sliding bearing with oscillating-piston (2), be connected by swash plate (25) bearing with main shaft (4), the swing of oscillating-piston (2) be converted into the rotation of main shaft (4); Main shaft (4), through oscillating-piston spindle hole (9) and cylinder spindle hole (35), is connected on cylinder main body (15) with main shaft bearing (12), carries out power exchange with the external world.
Cylinder (1) is the cylinder main body (15) tightened together by cylinder screw rod (10) and cylinder nut (11), and what two cylinder end pieces (16) were formed watches body with the several of cavity; The internal surface of cylinder main body (15) is by two big column inner side surfaces (17) of the radiuses such as concentric, and two small column inner side surfaces (22) and four rectangle facets of the radiuses such as concentric are formed; Two cylinder end piece (16) internal surfaces are plane parallel to each other; Cylinder main body (15) has the cylinder spindle hole (35) being provided with main shaft bearing (12); Cylinder main body (15) has valve (13), and be furnished with firing chamber (27), distribution device is installed; Cylinder main body (15) is provided with spark plug (14); Cylinder end piece (16) center is provided with oscillating-piston pillar (5) to be used for supporting the oscillating-piston (2) in cylinder (1).
As shown in Fig. 1, Fig. 2, Fig. 3, described oscillating-piston (2) is a cylinder with cavity, and its working surface is made up of two piston end surfaces parallel to each other and side; Side by the big column outer side surface (19) of the radiuses such as two concentrics, the small column outer side surface (23) of the radiuses such as two concentrics, the piston facet (24) of four rectangles is formed; Two small column outer side surfaces (23) have for the oscillating-piston spindle hole (9) through main shaft (4), two piston end surfaces have for the oscillating-piston pillar hole (6) through oscillating-piston pillar (5), two big column outer side surfaces (19) have for the balance pillar hole (8) through balance pillar (7); Oscillating-piston (2) inside is hollow structure, is used for installing balance (3) and main shaft (4).
As shown in Figure 4 be first embodiment of balance (3) and main shaft (4) structure, described balance (3) is made up of balance body (28) and two balance pillars (7); The center of balance body (28) has for the balance center hole (34) through main shaft (4), balance working surface (33) is made up of the conical surface up and down of balance body (28) and the internal surface of balance center hole (34). and described main shaft is by two d-axis (29), and an inclined shaft (26) and two swash plates (25) be positioned between d-axis (29) and inclined shaft (26) are formed; Main shaft working surface (32) is made up of the outer surface that two are positioned at conical surface between swash plate (25) and inclined shaft (26) and inclined shaft (26).
As shown in Figure 5 be second embodiment of balance (3) and main shaft (4) structure, described balance (3) is made up of balance body (28) and two balance pillars (7); The center of balance body (28) has for the balance center hole (34) through main shaft, balance working surface (33) is made up of the disk up and down of balance body (28) and the internal surface of balance center hole (34). and described main shaft is by two d-axis (29), and an inclined shaft (26) and two swash plates (25) be positioned between d-axis (29) and inclined shaft (26) are formed; Main shaft working surface (32) is made up of the outer surface that two are positioned at disk between swash plate (25) and inclined shaft (26) and inclined shaft (26).
As shown in Fig. 2, Fig. 4, the inclined shaft (26) of main shaft (4) is through the balance center hole (34) of balance (3), and main shaft working surface (32) is connected with balance working surface (33) bearing fit; The d-axis (29) of main shaft (4) is connected with the main shaft bearing (12) on cylinder main body (15) through the cylinder spindle hole (35) on cylinder main body (15); Two balance pillars (7) of balance (3) are connected with two balance pillar hole (8) sliding bearings of oscillating-piston (2); Balance (3), the effect of swash plate (25) and inclined shaft (26) is that mutual conversion has been carried out in the rotation of the reciprocally swinging of oscillating-piston (2) and main shaft (4).
As Fig. 2, shown in Fig. 3, employing Stamping Steel Ribbon between oscillating-piston (2) and cylinder (1) seals, Stamping Steel Ribbon is arranged on out in the groove on oscillating-piston, bottom is provided with spring sheet, ensureing that Stamping Steel Ribbon can closely cooperate with cylinder (1) inwall. apex sealing strip (20) is used for pressurization working lumen (18) side, end plane sealing strip (31) is used for the end face of pressurization working lumen (18), and the joint of apex sealing strip (20) and end plane sealing strip (31) adopts the sealing small column (30) outwards ejected.
Lubricating system mainly adopts press machine oil lubrication, and the cooling of oscillating-piston (2) adopts machine oil cooling, and the cooling of cylinder (1) both can cool by machine oil, also can adopt water-cooled or other modes.
Claims (8)
1. an oscillating-piston dynamic power machine, primarily of cylinder, oscillating-piston, balance, the parts such as main shaft are formed. and it is characterized in that: oscillating-piston is arranged on cylinder interior, be connected with cylinder block by the oscillating-piston pillar through oscillating-piston pillar hole; The outer surface of oscillating-piston and the internal surface of cylinder cooperatively interact, form four active chambers, along with the swing of oscillating-piston, the change of the volume generating period of active chamber. balance is arranged in oscillating-piston inner chamber, and be connected by balance pillar with oscillating-piston, be connected by swash plate with main shaft, the swing of oscillating-piston be converted into the rotation of main shaft; Main shaft, through oscillating-piston spindle hole and cylinder spindle hole, is connected in cylinder block with main shaft bearing, carries out power exchange with the external world.
2. oscillating-piston dynamic power machine as claimed in claim 1, is characterized in that: cylinder is made up of cylinder main body and two cylinder end pieces; The internal surface of cylinder main body is by the big column inner side surface of the radiuses such as two concentrics, and the small column inner side surface of the radiuses such as two concentrics and the facet of four rectangles are formed; Two cylinder end piece internal surfaces are plane parallel to each other; Cylinder main body has the cylinder spindle hole being provided with main shaft bearing; Cylinder main body has valve; Cylinder end piece is provided with oscillating-piston pillar.
3. oscillating-piston dynamic power machine as claimed in claim 1, is characterized in that: oscillating-piston is the cylinder of a hollow; The working surface of oscillating-piston by the big column outer side surface of the radiuses such as two concentrics, the small column outer side surface of the radiuses such as two concentrics, the piston facet of four rectangles, two piston end surfaces parallel to each other are formed; Two small column outer side surfaces have for the oscillating-piston spindle hole through main shaft, two piston end surfaces have for the oscillating-piston pillar hole through oscillating-piston pillar, two big column outer side surfaces have for the balance pillar hole through balance pillar; Oscillating-piston inside is the oscillating-piston inner chamber of hollow, is used for installing balance and main shaft.
4. as claim 1,2, the oscillating-piston dynamic power machine described in 3, is characterized in that: oscillating-piston is arranged on cylinder interior, is connected with cylinder by oscillating-piston pillar; Two big column outer side surfaces of oscillating-piston coordinate with two big column inner side surfaces slipper seal of cylinder main body, two small column outer side surfaces of oscillating-piston coordinate with two small column inner side surfaces slipper seal of cylinder main body, and two piston end surfaces of oscillating-piston coordinate with the slipper seal of two cylinder end piece internal surfaces; Make to form four active chambers between oscillating-piston and cylinder, when oscillating-piston swings around oscillating-piston pillar in cylinder, the volume of each active chamber can generating period change.
5. oscillating-piston dynamic power machine as claimed in claim 1, is characterized in that: balance is made up of balance body and two balance pillars; The center of balance body has for the balance center hole through main shaft. and main shaft is by two d-axis, and an inclined shaft and two swash plates between d-axis and inclined shaft are formed; The inclined shaft of main shaft is through balance center hole, and two main shaft working surfaces and two balance working surfaces are connected.
6. as claim 1,2,3, the oscillating-piston dynamic power machine described in 5, is characterized in that: the d-axis of main shaft, through the cylinder spindle hole on cylinder main body, is connected on cylinder main body with main shaft bearing; Two balance pillars of balance are arranged in two balance pillar holes of oscillating-piston; The effect of balance and swash plate is that mutual conversion has been carried out in the rotation of the reciprocally swinging of oscillating-piston and main shaft.
7. oscillating-piston dynamic power machine as claimed in claim 5, is characterized in that: balance working surface is made up of the conical surface up and down of balance body. main shaft working surface is made up of two conical surfaces between swash plate and inclined shaft.
8. oscillating-piston dynamic power machine as claimed in claim 5, is characterized in that: balance working surface is made up of the disk up and down of balance body. main shaft working surface is made up of two disks between swash plate and inclined shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026988.9A CN104775899A (en) | 2014-01-15 | 2014-01-15 | Swing piston power machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026988.9A CN104775899A (en) | 2014-01-15 | 2014-01-15 | Swing piston power machine |
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| Publication Number | Publication Date |
|---|---|
| CN104775899A true CN104775899A (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410026988.9A Pending CN104775899A (en) | 2014-01-15 | 2014-01-15 | Swing piston power machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545466A (en) * | 2015-12-18 | 2016-05-04 | 中国科学院工程热物理研究所 | Miniature oscillating internal combustion engine with sealed structure |
| GB2544819A (en) * | 2015-11-25 | 2017-05-31 | Paul Fenton Jonathan | Fluid compression apparatus |
| CN111954749A (en) * | 2018-02-14 | 2020-11-17 | 燃料节省有限公司 | Rotary piston engine and method for operating a rotary piston engine |
-
2014
- 2014-01-15 CN CN201410026988.9A patent/CN104775899A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2560827B (en) * | 2015-11-25 | 2019-04-10 | Fetu Ltd | Rotational fluid compression apparatus |
| GB2544819A (en) * | 2015-11-25 | 2017-05-31 | Paul Fenton Jonathan | Fluid compression apparatus |
| CN107407148A (en) * | 2015-11-25 | 2017-11-28 | 费图有限公司 | Rotational displacement device |
| GB2544819B (en) * | 2015-11-25 | 2018-07-11 | Fetu Ltd | Rotational fluid compression apparatus |
| GB2560827A (en) * | 2015-11-25 | 2018-09-26 | Fetu Ltd | Rotational fluid compression apparatus |
| RU2699845C1 (en) * | 2015-11-25 | 2019-09-11 | Фету Лимитед | Apparatus for rotary movement and method of its operation |
| US10443383B2 (en) | 2015-11-25 | 2019-10-15 | FeTu Limited | Rotational displacement apparatus |
| CN107407148B (en) * | 2015-11-25 | 2020-03-03 | 费图有限公司 | Rotary displacement device and operation method thereof |
| US11408286B2 (en) | 2015-11-25 | 2022-08-09 | FeTu Limited | Rotational displacement apparatus |
| CN105545466B (en) * | 2015-12-18 | 2018-09-04 | 中国科学院工程热物理研究所 | A kind of miniature swing type internal combustion engine with sealing structure |
| CN105545466A (en) * | 2015-12-18 | 2016-05-04 | 中国科学院工程热物理研究所 | Miniature oscillating internal combustion engine with sealed structure |
| CN111954749A (en) * | 2018-02-14 | 2020-11-17 | 燃料节省有限公司 | Rotary piston engine and method for operating a rotary piston engine |
| CN111954749B (en) * | 2018-02-14 | 2022-04-01 | 燃料节省有限公司 | Rotary piston engine and method for operating a rotary piston engine |
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Application publication date: 20150715 |