CN112177769A - Rotary gas distribution structure of annular series cylinder group - Google Patents
Rotary gas distribution structure of annular series cylinder group Download PDFInfo
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- CN112177769A CN112177769A CN202011056498.5A CN202011056498A CN112177769A CN 112177769 A CN112177769 A CN 112177769A CN 202011056498 A CN202011056498 A CN 202011056498A CN 112177769 A CN112177769 A CN 112177769A
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- 238000009423 ventilation Methods 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- 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
- F02B57/04—Control of cylinder-charge admission or exhaust
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
本发明公开了一种环形串联气缸组旋转配气结构，包括配气轴、旋转配气轴套、主转子、副转子，配气轴和旋转配气轴套同轴嵌套安装，主转子和副转子组合套设于旋转配气轴套上，配气轴内设有供气通道，旋转配气轴套内设有排气通道，配气轴与旋转配气轴套相接处沿周壁的圆周方向上设有若干进气口和若干排气口，进气口与供气通道相通，排气口与排气通道相通，旋转配气轴套与配气轴相接的配合面沿圆周方向设有若干第一气口和若干第二气口，进气口、排气口、第一气口和第二气口随旋转配气轴套的转动而交替对准，以实现对各个气缸进行换气。本发明能实现气缸高效、可靠、平稳、自动进行换气。
The invention discloses a rotary gas distribution structure of an annular series cylinder group, which comprises a gas distribution shaft, a rotary gas distribution shaft sleeve, a main rotor and an auxiliary rotor. The auxiliary rotor assembly is sleeved on the rotary gas distribution shaft sleeve, the air supply channel is arranged in the air distribution shaft, and the exhaust channel is arranged in the rotary air distribution shaft sleeve. There are several air inlets and several exhaust ports in the circumferential direction. The air inlet is communicated with the air supply channel, and the exhaust port is communicated with the exhaust channel. Several first air ports and several second air ports are provided, and the air intake port, the exhaust port, the first air port and the second air port are alternately aligned with the rotation of the rotary air distribution shaft sleeve, so as to realize the ventilation of each cylinder. The invention can realize the efficient, reliable, stable and automatic ventilation of the cylinder.
Description
Technical Field
The invention mainly relates to the technical field of piston engines, in particular to a rotary air distribution structure of an annular series cylinder group.
Background
The reciprocating piston engine has simple principle and mature technology and is widely applied to production and life. But limited by the reciprocating characteristics of the piston and the configuration of the traditional crank-connecting rod mechanism, the traditional reciprocating piston engine has difficulty in obviously improving the power density and the maximum output power. In order to improve the power density and the maximum output power of the engine, a feasible method is to arrange a plurality of cylindrical cylinders with parallel axes in series along the same circumferential direction, realize the reciprocating motion of a piston relative to the cylinders through a differential mechanism with a special configuration, and the cylinders and the piston rotate around a main shaft fixed axis, so that the cylinders can complete a plurality of thermodynamic processes in the process of rotating a main shaft for one circle, and further realize the work for a plurality of times.
However, the engine cylinders are arranged in an annular series connection mode, and the problem is that the cylinders rotate around the main shaft of the engine in a one-way fixed shaft mode, and the processes of air intake, air exhaust and the like cannot be achieved through a traditional valve structure. The air intake and exhaust processes are the premise and the basis for realizing continuous and stable work of the internal combustion piston engine, and for the novel engine with the cylinders in annular series arrangement, how to realize efficient, reliable and stable air intake and exhaust is a problem to be solved by technical personnel in the field.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a rotary air distribution structure of an annular series cylinder group, which can realize high-efficiency, reliable, stable and automatic air exchange of an air cylinder.
In order to solve the technical problems, the invention adopts the following technical scheme:
a rotary air distribution structure of an annular series cylinder group comprises an air distribution shaft, a rotary air distribution shaft sleeve, a main rotor and an auxiliary rotor, the air distribution shaft and the rotary air distribution shaft sleeve are coaxially nested, the main rotor and the auxiliary rotor are combined and sleeved on the rotary air distribution shaft sleeve, an air supply channel is arranged in the air distribution shaft, an exhaust channel is arranged in the rotary air distribution shaft sleeve, a plurality of air inlets and a plurality of exhaust ports are arranged at the joint of the air distribution shaft and the rotary air distribution shaft sleeve along the circumferential direction of the circumferential wall, the air inlet is communicated with the air supply channel, the air outlet is communicated with the air exhaust channel, the matching surface of the rotary air distribution shaft sleeve connected with the air distribution shaft is provided with a plurality of first air ports and a plurality of second air ports along the circumferential direction, the air inlet, the exhaust port, the first air port and the second air port are aligned alternately along with the rotation of the rotary air distribution shaft sleeve so as to realize air exchange of each air cylinder.
As a further improvement of the invention: the gas distribution shaft is a revolving body with an internal hollow structure, and the end surface of the joint of the gas distribution shaft and the rotary gas distribution shaft sleeve is a closed end.
As a further improvement of the invention: the air inlets and the air outlets are distributed in a staggered manner.
As a further improvement of the invention: the inside of the rotary air distribution shaft sleeve is of a hollow structure, and the first air ports and the second air ports are distributed in a staggered mode.
As a further improvement of the invention: the main rotor is provided with a first main rotor air port, a second main rotor air port, a third main rotor air port, a first air passage, a second air passage and a main cylinder seat hole; the first air port of the main rotor is communicated with the main cylinder seat hole through a first air passage; and the second air port of the main rotor is communicated with the third air port of the main rotor through a second air passage.
As a further improvement of the invention: the auxiliary rotor is provided with an auxiliary rotor air port, an auxiliary air cylinder air passage and an auxiliary air cylinder seat hole, and the auxiliary rotor air port is communicated with the auxiliary air cylinder seat hole through the auxiliary air cylinder air passage; and the third air port of the main rotor is communicated with the air port of the auxiliary rotor.
As a further improvement of the invention: the joint of the gas distribution shaft and the rotary gas distribution shaft sleeve is in a conical structure or a cylindrical structure.
As a further improvement of the invention: the cross-sectional shape of the air inlet of the air distribution shaft is a closed plane figure, the air outlet of the air distribution shaft is of a groove structure, one end of the groove structure is a closed end, and the other end of the groove structure is an open end.
As a further improvement of the invention: the first air ports on the rotary air distribution shaft sleeve, the first air ports of the main rotor and the main cylinder seat holes are the same in number.
As a further improvement of the invention: the number of the second air ports on the rotary air distribution shaft sleeve, the number of the second air ports on the main rotor and the number of the auxiliary cylinder seat holes are the same.
Compared with the prior art, the invention has the advantages that:
the rotary air distribution structure of the annular series cylinder group is characterized in that the air distribution shaft and the rotary air distribution shaft sleeve are coaxially nested and installed and can rotate relatively, the main rotor and the auxiliary rotor are sleeved on the rotary air distribution shaft sleeve in a combined mode, the air inlet, the air outlet, the first air port and the second air port are aligned alternately along with the rotation of the rotary air distribution shaft sleeve, and the structure enables the air cylinder to be communicated with the air supply channel or the air exhaust channel at a specific moment by utilizing the rotation of the rotor where the air cylinder is located, so that the automatic air exchange of each air cylinder is realized. The structure does not need to drive a valve mechanism and a timing mechanism in the engine, and does not have inertia force of reciprocating motion, so the structure can adapt to the working state of the engine at higher rotating speed, and the air exchange response speed of the cylinder is higher; and the structure does not have a cam mechanism for driving the valve to open and close of the traditional reciprocating piston engine, so that the abrasion does not exist, and the vibration and the noise of the engine are smaller when the engine works.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram of the present invention after being disassembled
Fig. 3 is a schematic structural view of the gas distribution shaft of the present invention.
Fig. 4 is a schematic sectional structure view of the gas distribution shaft of the present invention.
Fig. 5 is a schematic structural view of a rotary air distribution shaft sleeve of the present invention.
Fig. 6 is a schematic cross-sectional view of a rotary air distribution sleeve according to the present invention.
Fig. 7 is a schematic structural view of the main rotor of the present invention.
Fig. 8 is a schematic structural view of the sub-rotor of the present invention.
Illustration of the drawings:
1. a gas distribution shaft; 11. a gas supply channel; 12. an air inlet; 13. an exhaust port; 14. an end face; 2. rotating the gas distribution shaft sleeve; 21. an exhaust passage; 22. a first gas port; 23. a second gas port; 3. a main rotor; 31. a main rotor first port; 32. a main rotor secondary air port; 33. a primary rotor tertiary air port; 34. a first air passage; 35. a second air passage; 36. a master cylinder seat bore; 4. a sub-rotor; 41. a secondary rotor port; 42. an auxiliary cylinder air passage; 43. and a secondary cylinder block bore.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
As shown in fig. 1 to 8, the invention discloses a rotary air distribution structure of an annular series cylinder group, which comprises an air distribution shaft 1, a rotary air distribution shaft sleeve 2, a main rotor 3 and an auxiliary rotor 4, wherein the air distribution shaft 1 and the rotary air distribution shaft sleeve 2 are coaxially nested, the main rotor 3 and the auxiliary rotor 4 are combined and sleeved on the rotary air distribution shaft sleeve 2, an air supply channel 11 is arranged in the air distribution shaft 1, an exhaust channel 21 is arranged in the rotary air distribution shaft sleeve 2, a plurality of air inlets 12 and a plurality of exhaust ports 13 are arranged at the joint of the air distribution shaft 1 and the rotary air distribution shaft sleeve 2 along the circumferential direction of the circumferential wall, the air inlets 12 are communicated with the air supply channel 11, the exhaust ports 13 are communicated with the exhaust channel 21, a plurality of first air ports 22 and a plurality of second air ports 23 are arranged at the matching surface of the air inlets 12 and the rotary air distribution shaft sleeve 2 along the circumferential direction, and the air inlets 12, so as to realize the ventilation of each cylinder.
The rotary air distribution structure of the annular series cylinder group is coaxially nested and installed through the air distribution shaft 1 and the rotary air distribution shaft sleeve 2, the air distribution shaft 1 and the rotary air distribution shaft sleeve can rotate relatively, and the air distribution shaft 1 is fixedly connected with a shell of an engine. The rotation is not generated during the operation. The main rotor 3 and the auxiliary rotor 4 are combined and sleeved on the rotary air distribution shaft sleeve 2, the air inlet 12, the air outlet 13, the first air port 22 and the second air port 23 are alternately aligned along with the rotation of the rotary air distribution shaft sleeve 2, and the structure enables the air cylinder to be communicated with the air supply channel 11 or the air exhaust channel 21 at a specific moment by utilizing the rotation of the rotor where the air cylinder is located, so that the automatic air exchange of each air cylinder is realized. The structure does not need to drive a valve mechanism and a timing mechanism in the engine, and does not have inertia force of reciprocating motion, so the structure can adapt to the working state of the engine at higher rotating speed, and the air exchange response speed of the cylinder is higher; and the structure does not have a cam mechanism for driving the valve to open and close of the traditional reciprocating piston engine, so that the abrasion does not exist, and the vibration and the noise of the engine are smaller when the engine works.
In this embodiment, the gas distribution shaft 1 is a revolving body with a hollow structure inside, the end face 14 at the joint of the gas distribution shaft 1 and the rotary gas distribution shaft sleeve 2 is a closed end, the joint of the gas distribution shaft 1 and the rotary gas distribution shaft sleeve 2 is a conical structure, and the end face 14 of the conical structure is a closed end. N air inlets 12 and N air outlets 13 are uniformly distributed on the peripheral wall of the conical structure, and the air inlets 12 and the air outlets 13 are alternately distributed. The air inlet 12 is a through hole penetrating through the peripheral wall of the conical structure and is communicated with an air supply channel 11 in the air distribution shaft 1; the exhaust port 13 is of a groove structure and does not penetrate through the peripheral wall of the conical structure, one end of the exhaust port 13 close to the end face 14 of the conical structure is open, one end far away from the end face 14 of the conical structure is closed, and the open end of the exhaust port 13 is communicated with the exhaust channel 21. The taper of the conical structure of the gas distribution shaft 1 can be optimally designed according to parameters such as the air inlet pressure, the rotating speed and the like of the engine. In other embodiments, the matching and connecting part of the air distribution shaft 1 and the rotary air distribution shaft sleeve 2 is a cylindrical structure.
In this embodiment, the two ends of the exhaust port 13 are different in size, and the closed end is wider than the open end. In other embodiments, both ends of the exhaust port 13 may have an equal-width groove shape.
In a preferred embodiment, the air inlets 12 and the air outlets 13 are uniformly distributed in a staggered manner, and in other embodiments, the air inlets 12 and the air outlets 13 may be non-uniformly distributed, in which case the included angles or the intervals between the air inlets 12 and the air outlets 13 on both sides are not equal.
In this embodiment, the inside of the rotating air distribution shaft sleeve 2 is a hollow structure, the shape of the part of the inside of the rotating air distribution shaft sleeve connected with the air distribution shaft 1 is matched with that of the air distribution shaft 1, N first air ports 22 and N second air ports 23 are uniformly distributed on the matching surface, the first air ports 22 and the second air ports 23 are distributed in a staggered manner, when the rotating air distribution shaft sleeve 2 rotates, the N first air ports 22 and the N second air ports 23 are alternately aligned and conducted with the N air inlets 12 and the N air outlets 13 on the air distribution shaft 1, and air intake and exhaust of each air cylinder are realized.
In this embodiment, the main rotor 3 is provided with a main rotor first air port 31, a main rotor second air port 32, a main rotor third air port 33, a first air passage 34, a second air passage 35 and a main cylinder seat hole 36; the main rotor first port 31 communicates with the main cylinder seat hole 36 through the first air passage 34; the primary rotor secondary port 32 communicates with the primary rotor tertiary port 33 via a secondary air path 35. The auxiliary rotor 4 is provided with an auxiliary rotor air port 41, an auxiliary cylinder air passage 42 and an auxiliary cylinder seat hole 43, and the auxiliary rotor air port 41 is communicated with the auxiliary cylinder seat hole 43 through the auxiliary cylinder air passage 42; the primary rotor tertiary port 33 communicates with the secondary rotor port 41 and thus with the secondary cylinder block bore 43 of the secondary rotor 4.
In this embodiment, the structure of the sub-rotor 4 is the same as that of the main rotor 3, and since the main rotor 3 and the sub-rotor 4 both perform fixed-axis unidirectional rotation and have a certain rotation speed difference between the two, a reciprocal rotation effect is formed between the two rotors. The primary rotor tertiary air port 33 and the secondary rotor air port 41 of the secondary rotor 4 have a certain length along the circumferential direction, so that the primary rotor tertiary air port 33 and the secondary rotor air port 41 of the secondary rotor 4 are always in a conducting state at any time with a certain overlapping degree.
In this embodiment, the cross-sectional shape of the air inlet 12 of the air distribution shaft 1 is a closed plane figure, and the closed plane figure may be any one of a circle, a rectangle with rounded corners, a waist shape, and the like.
In this embodiment, the number of the first ports 22, the main rotor first ports 31 and the main cylinder seat holes 36 on the rotary distribution shaft sleeve 2 is the same. The number of the second air ports 23, the main rotor second air ports 32 and the auxiliary cylinder block holes 43 on the rotary air distribution shaft sleeve 2 is the same. Namely, when the N first air ports 22 on the rotary air distribution shaft sleeve 2 are aligned with the first air port 31 of the main rotor, the N first air ports are communicated with N main cylinder seat holes 36 of the main rotor 3 through a first air passage 34 of the main rotor 3; when the N second air ports 23 on the rotary air distribution shaft sleeve 2 are aligned with the second air ports 32 of the main rotor, the second air passages 35 of the main rotor 3 are communicated with the N auxiliary cylinder seat holes 43 of the auxiliary rotor 4. The structure utilizes the rotation motion of the rotor where the air cylinder is positioned to lead the air cylinder to be communicated with the air supply channel 11 or the air exhaust channel 21 at a specific moment, thereby realizing air exchange and automatically adjusting the air exchange frequency according to the rotation speed of the rotor. Because there is no contact and impact, the vibration, noise and friction loss of the air distribution structure are very small, and the reliability and stability are good during working.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056498.5A CN112177769B (en) | 2020-09-29 | 2020-09-29 | Rotary gas distribution structure of annular series cylinder group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056498.5A CN112177769B (en) | 2020-09-29 | 2020-09-29 | Rotary gas distribution structure of annular series cylinder group |
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| Publication Number | Publication Date |
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| CN112177769A true CN112177769A (en) | 2021-01-05 |
| CN112177769B CN112177769B (en) | 2021-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898465A (en) * | 2021-10-20 | 2022-01-07 | 中国人民解放军国防科技大学 | Turbocharged valve train of annular tandem straight-cylinder engine and annular straight-cylinder engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605361A (en) * | 1985-01-22 | 1986-08-12 | Cordray Robert K | Oscillating vane rotary pump or motor |
| CN1180132A (en) * | 1996-09-03 | 1998-04-29 | 崔华峰 | Rotary columa type distributing device for engine |
| CN2519023Y (en) * | 2001-11-25 | 2002-10-30 | 胡学文 | Revolving spindle type distributing valve for engine |
| CN1995710A (en) * | 2006-10-13 | 2007-07-11 | 张轶 | Engine air-distributing aid device |
| CN208416639U (en) * | 2018-06-14 | 2019-01-22 | 倪梓欣 | A kind of valve actuating mechanism and engine system |
-
2020
- 2020-09-29 CN CN202011056498.5A patent/CN112177769B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605361A (en) * | 1985-01-22 | 1986-08-12 | Cordray Robert K | Oscillating vane rotary pump or motor |
| CN1180132A (en) * | 1996-09-03 | 1998-04-29 | 崔华峰 | Rotary columa type distributing device for engine |
| CN2519023Y (en) * | 2001-11-25 | 2002-10-30 | 胡学文 | Revolving spindle type distributing valve for engine |
| CN1995710A (en) * | 2006-10-13 | 2007-07-11 | 张轶 | Engine air-distributing aid device |
| CN208416639U (en) * | 2018-06-14 | 2019-01-22 | 倪梓欣 | A kind of valve actuating mechanism and engine system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898465A (en) * | 2021-10-20 | 2022-01-07 | 中国人民解放军国防科技大学 | Turbocharged valve train of annular tandem straight-cylinder engine and annular straight-cylinder engine |
| CN113898465B (en) * | 2021-10-20 | 2023-11-24 | 中国人民解放军国防科技大学 | Supercharged valve mechanism of toroidal series straight cylinder engine and toroidal straight cylinder engine |
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| CN112177769B (en) | 2021-08-13 |
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