CN112177769B - Rotary air distribution structure of annular series cylinder group - Google Patents
Rotary air distribution structure of annular series cylinder group Download PDFInfo
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- CN112177769B CN112177769B CN202011056498.5A CN202011056498A CN112177769B CN 112177769 B CN112177769 B CN 112177769B CN 202011056498 A CN202011056498 A CN 202011056498A CN 112177769 B CN112177769 B CN 112177769B
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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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- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a rotary air distribution structure of an annular series cylinder group, which comprises an air distribution shaft, a rotary air distribution shaft sleeve, a main rotor and an auxiliary rotor, wherein 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 peripheral wall, the air inlets are communicated with the air supply channel, the exhaust ports are communicated with the exhaust channel, a plurality of first air ports and a plurality of second air ports are arranged on the matching surface of the rotary air distribution shaft sleeve, which is connected with the air distribution shaft, along the circumferential direction, and the air inlets, the exhaust ports, the first air ports and the second air ports are alternately aligned along with the rotation of the rotary air distribution shaft sleeve so as to realize air exchange of each cylinder. The invention can realize the high-efficiency, reliable, stable and automatic air exchange of the air 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 (8)
1. The utility model provides a rotatory gas distribution structure of annular series cylinder group, a serial communication port, including distribution shaft (1), rotatory distribution axle sleeve (2), main rotor (3), vice rotor (4), distribution shaft (1) with rotatory distribution axle sleeve (2) coaxial nested installation, main rotor (3) and vice rotor (4) combination cover are located on rotatory distribution axle sleeve (2), be equipped with air feed passage (11) in distribution shaft (1), be equipped with exhaust passage (21) in rotatory distribution axle sleeve (2), distribution shaft (1) meets with rotatory distribution axle sleeve (2) and is equipped with a plurality of air inlets (12) and a plurality of gas vent (13) on the circumferencial direction of perisporium, air inlet (12) communicate with each other with air feed passage (11), gas vent (13) communicate with each other with exhaust passage (21), the fitting surface that rotatory distribution axle sleeve (2) meets with distribution shaft (1) is equipped with a plurality of first gas ports (22) and a plurality of second gas ports (13) along the circumferencial direction 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) so as to realize air exchange of each cylinder; 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 air port (31) is communicated with a main cylinder seat hole (36) through a first air passage (34); the second air port (32) of the main rotor is communicated with the third air port (33) of the main rotor through a second air passage (35); the auxiliary rotor (4) is provided with an auxiliary rotor air port (41), an auxiliary air cylinder air passage (42) and an auxiliary air cylinder seat hole (43), and the auxiliary rotor air port (41) is communicated with the auxiliary air cylinder seat hole (43) through the auxiliary air cylinder air passage (42); the third air port (33) of the main rotor is communicated with the air port (41) of the auxiliary rotor.
2. The rotary air distribution structure of the annular cylinder groups connected in series according to claim 1, characterized in that the air distribution shaft (1) is a solid of revolution with a hollow structure inside, and the end surface (14) where the air distribution shaft (1) is connected with the rotary air distribution shaft sleeve (2) is a closed end.
3. Rotary air distribution structure of cylinder groups in annular series according to claim 2, characterized in that the air inlets (12) and the air outlets (13) are distributed in a staggered manner.
4. The rotary air distribution structure of the annular cylinder group in series as claimed in claim 3, characterized in that the inside of the rotary air distribution shaft sleeve (2) is a hollow structure, and the first air ports (22) and the second air ports (23) are distributed in a staggered manner.
5. The rotary air distribution structure of the annular cylinder group in series according to any one of claims 1 to 4, characterized in that the joint of the air distribution shaft (1) and the rotary air distribution shaft sleeve (2) is in a conical structure or a cylindrical structure.
6. A rotary air distribution structure of annular series cylinder banks according to any one of claims 1 to 4, characterized in that the cross-sectional shape of the air inlet (12) of the air distribution shaft (1) is a closed plane figure, the air outlet (13) of the air distribution shaft (1) is 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.
7. The rotary air distribution structure of the annular tandem cylinder group according to claim 5, characterized in that the number of the first air ports (22), the main rotor first air ports (31) and the main cylinder seat holes (36) on the rotary air distribution sleeve (2) is the same.
8. The rotary air distribution structure of the annular tandem cylinder group as claimed in claim 6, characterized in that the number of the second air ports (23) on the rotary air distribution sleeve (2), the number of the main rotor second air ports (32) and the number of the auxiliary cylinder seat holes (43) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056498.5A CN112177769B (en) | 2020-09-29 | 2020-09-29 | Rotary air 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 air distribution structure of annular series cylinder group |
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| Publication Number | Publication Date |
|---|---|
| CN112177769A CN112177769A (en) | 2021-01-05 |
| CN112177769B true CN112177769B (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011056498.5A Active CN112177769B (en) | 2020-09-29 | 2020-09-29 | Rotary air distribution structure of annular series cylinder group |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113898465B (en) * | 2021-10-20 | 2023-11-24 | 中国人民解放军国防科技大学 | Supercharging air distribution mechanism of annular series straight cylinder engine and annular straight cylinder engine |
Family Cites Families (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 |
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