CN110821569B - Pneumatic engine - Google Patents
Pneumatic engine Download PDFInfo
- Publication number
- CN110821569B CN110821569B CN201911344410.7A CN201911344410A CN110821569B CN 110821569 B CN110821569 B CN 110821569B CN 201911344410 A CN201911344410 A CN 201911344410A CN 110821569 B CN110821569 B CN 110821569B
- Authority
- CN
- China
- Prior art keywords
- air
- air distribution
- groove
- rotating shaft
- vent
- 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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Links
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B1/00—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
- F01B1/08—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders arranged oppositely relative to main shaft and of "flat" type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B25/00—Regulating, controlling, or safety means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B31/00—Component parts, details, or accessories not provided for in, or of interest apart from, other groups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Abstract
The invention discloses a pneumatic engine, which comprises an air distribution pipe and an air distribution rotating shaft, wherein a front support and a rear support are respectively arranged at two ends of the air distribution pipe, a first vent, a second vent, a first vent pipe and a second vent pipe which are respectively connected with a first air cylinder and a second air cylinder are arranged on the air distribution pipe, the air distribution rotating shaft sequentially passes through the rear support, the air distribution pipe and the front support, one end of the air distribution rotating shaft, which passes through the front support, is provided with an eccentric driving rod which is respectively connected with a first connecting rod and a second connecting rod, a first groove and a second groove are arranged on the outer wall of the air distribution rotating shaft, which is wrapped in the air distribution pipe, the air distribution rotating shaft mills a first concave surface and a second concave surface, the first concave surface is not communicated with the second groove, the second concave surface is not communicated with the first vent pipe and the second vent pipe in turn when the air distribution rotating shaft rotates. The pneumatic engine has the advantages of low cost, simple assembly, high air conversion efficiency, low noise and the like.
Description
Technical Field
The invention relates to the mechanical technology, in particular to a pneumatic engine.
Background
Pneumatic engines are widely used in many fields, from the earliest steam locomotives to modern pneumatic automobiles, and are currently mainly used for various pneumatic mechanical accessories which take an air compressor as an origin, such as pneumatic wrenches, air cannons and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a pneumatic engine. The pneumatic engine has the advantages of low cost, simple assembly, high air conversion efficiency, low noise and the like.
The technical scheme for realizing the aim of the invention is as follows:
the pneumatic engine comprises a hollow air distribution pipe and an air distribution rotating shaft, wherein a front bracket and a rear bracket are respectively arranged at two ends of the air distribution pipe, a first air vent and a second air vent with upward openings are arranged on the air distribution pipe, the connecting line of the central point of the first air vent and the central point of the second air vent is parallel to the central axis of the air distribution pipe, a first air vent and a second air vent which take the central axis of the air distribution pipe as a symmetrical line are symmetrically arranged on the air distribution pipe, the central axes of the first air vent and the second air vent are perpendicular to a plane formed by the connecting line of the central point of the first air vent, the central point of the second air vent and the central point of the air distribution pipe, the outer ends of the first air vent and the second air vent are respectively connected with a first air cylinder and a second air cylinder, the first air cylinder and the second air cylinder are fixed on the front bracket, the first air cylinder and the second air cylinder are respectively provided with a first piston with a first connecting rod and a second piston with a second connecting rod, the air distribution rotating shaft sequentially passes through the rear support, the air distribution pipe and the front support, the outer wall of the air distribution rotating shaft and the inner wall of the air distribution pipe are tightly attached to be sealed and airtight, one end of the air distribution rotating shaft passing through the front support is provided with an eccentric driving rod deviating from the central axis of the air distribution rotating shaft, the eccentric driving rod is respectively connected with one outward end of a first connecting rod and one outward end of a second connecting rod, the air distribution rotating shaft is wrapped on the outer wall of the air distribution pipe and is provided with a first groove and a second groove which are in a closed ring shape, the distance between the central line of the first groove and the central line of the second groove is equal to the distance between the central points of the first air vent and the second air vent, namely, when the air distribution rotating shaft rotates, the first groove is always communicated with the first air vent, the second groove is always communicated with the second air vent, and the air distribution rotating shaft is in the length of one third of the circumference of the first groove, the depth of the first groove is milled to form a first concave surface along the direction of the first groove towards the second groove, the first concave surface is not communicated with the second groove, a second concave surface which is consistent with the first concave surface in shape is milled along the second groove towards the direction of the first groove at the opposite position of the other surface of the outer wall of the air distribution rotating shaft, the second concave surface is not communicated with the first groove, and the first concave surface and the second concave surface are alternately communicated with the first vent pipe and the second vent pipe when the air distribution rotating shaft rotates; the first concave surface and the second concave surface are rectangular.
When the air distribution rotating shaft rotates clockwise to the first concave surface and is communicated with the first ventilating pipe, air enters the first groove through the first ventilating pipe and then enters the first air cylinder through the first ventilating pipe, air pressure pushes the first piston in the first air cylinder to move outwards, the first piston pushes the first connecting rod to move, the first connecting rod continues to push the air distribution rotating shaft to accelerate clockwise through the eccentric driving rod, at the moment, the eccentric driving rod pushes the second connecting rod to move, the second piston moves in the second air cylinder to compress air in the second air cylinder, the compressed air is discharged out of the air distribution pipe through the second ventilating pipe, the second groove and the second ventilating pipe, when the eccentric driving rod moves to the farthest end from the first air cylinder, the first piston completes driving, at the moment, the second groove is communicated with the second ventilating pipe, the air starts to enter the second air cylinder through the second ventilating pipe, the second piston is pushed to move outwards, the second piston pushes the eccentric driving rod through the second connecting rod, and the air distribution rotating shaft continues to accelerate clockwise, at the same time, the first piston discharges the air in the first air cylinder through the first ventilating pipe and the first ventilating pipe to the air distribution pipe, and the air distribution pipe is compacted into a cycle.
The pneumatic engine has the advantages of low cost, simple assembly, high air conversion efficiency, low noise and the like.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
fig. 2 is a schematic structural diagram of a gas distribution rotary shaft in an embodiment.
In the figure, 1 is a gas distribution rotary shaft 2, a first vent 3, a second vent 4, a front bracket 5, a first vent pipe 6, a first cylinder 7, a first piston 8, a first connecting rod 9, an eccentric drive rod 10, a second connecting rod 11, a second piston 12, a second cylinder 13, a second vent pipe 14, a rear bracket 15, a gas distribution pipe 16, a first groove 17, a second groove 18, a first concave surface 19 and a second concave surface.
Detailed Description
The present invention will now be further illustrated, but not limited, by the following figures and examples.
Examples:
referring to fig. 1, a pneumatic engine comprises a hollow air distribution pipe 15 and an air distribution rotating shaft 1, wherein both ends of the air distribution pipe 15 are respectively provided with a front bracket 4 and a rear bracket 14, the air distribution pipe 15 is provided with a first air vent 2 and a second air vent 3 with upward openings, the connecting line of the central point of the first air vent 2 and the central point of the second air vent 3 is parallel to the central axis of the air distribution pipe 15, the air distribution pipe 15 is also symmetrically provided with a first air vent 5 and a second air vent 13 which take the central axis of the air distribution pipe 15 as a symmetrical line, the central axes of the first air vent 5 and the second air vent 13 are perpendicular to a plane formed by the connecting lines of the central point of the first air vent 2, the central point of the second air vent 3 and the central axis of the air distribution pipe 15, the outer ends of the first air vent 5 and the second air vent 13 are respectively connected with a first air cylinder 6 and a second air cylinder 12, the first air cylinder 6 and the second air cylinder 12 are fixed on the front bracket 4, the first cylinder 6 and the second cylinder 12 are respectively provided with a first piston 7 with a first connecting rod 8 and a second piston 11 with a second connecting rod 10, the distribution rotating shaft 1 sequentially passes through the rear bracket 14, the distribution pipe 15 and the front bracket 4, the outer wall of the distribution rotating shaft 1 is tightly attached to the inner wall of the distribution pipe 15 and is airtight, one end of the distribution rotating shaft 1 passing through the front bracket 4 is provided with an eccentric driving rod 9 deviating from the central axis of the distribution rotating shaft 1, the eccentric driving rod 9 is respectively connected with one outward ends of the first connecting rod 8 and the second connecting rod 10, as shown in figure 2, the distribution rotating shaft 1 is wrapped on the outer wall in the distribution pipe 15 and is provided with a first groove 16 and a second groove 17 which are in a closed loop shape, the distance between the central line of the first groove 16 and the central line of the second groove 17 is equal to the distance between the central points of the first ventilation opening 2 and the second ventilation opening 3, namely, when the air distribution rotating shaft 1 rotates, the first groove 16 is always communicated with the first air vent 2, the second groove 17 is always communicated with the second air vent 3, the air distribution rotating shaft 1 mills a first concave surface 18 along the direction of the first groove 16 to the second groove 17 according to the length of one third of the circumference of the first groove 16 and the depth of the first groove 16, the first concave surface 18 is not communicated with the second groove 17, a second concave surface 19 which is consistent with the first concave surface 18 in shape is milled along the direction of the second groove 17 at the opposite position of the other surface of the outer wall of the air distribution rotating shaft 1 to the first groove 16, the second concave surface 19 is not communicated with the first groove 16, and when the air distribution rotating shaft 1 rotates, the first concave surface 18 and the second concave surface 19 are alternately communicated with the first air vent pipe 5 and the second air vent pipe 13, and the first concave surface 18 and the second concave surface 19 are rectangular.
When the air distribution rotating shaft 1 rotates clockwise until the first concave surface 18 is communicated with the first air pipe 5, air enters the first groove 16 through the first air vent 2 and then enters the first air cylinder 6 through the first air vent 5, air pressure pushes the first piston 7 in the first air cylinder 6 to move outwards, the first piston 7 pushes the first connecting rod 8 to move, the first connecting rod 8 continues to push the air distribution rotating shaft 1 to accelerate clockwise through the eccentric driving rod 9, at the moment, the eccentric driving rod 9 pushes the second connecting rod 10 to move, the second piston 11 moves in the second air cylinder 12 to compress air in the second air cylinder 12, the compressed air is discharged out of the air distribution pipe 15 through the second air vent 13, the second groove 17 and the second air vent 3, when the eccentric driving rod 9 moves to the farthest end from the first air cylinder 6, the first piston 7 is completely driven, at the moment, the second groove 17 is communicated with the second air vent 13, the air starts to enter the second air cylinder 12 through the second air vent 13, the second piston 11 continues to accelerate clockwise through the second connecting rod 10, the air distribution rotating shaft 1 is pushed by the eccentric driving rod 9, at the moment, the second piston 11 continues to accelerate clockwise, the air distribution rotating shaft 1 moves in the second air through the second connecting rod 10, at the same time, the first air distribution rotating shaft 7 is circulated through the first air vent 2 and the first air vent 2, and the air vent 2 circulates through the first air vent 2, and the air vent 2 is discharged out of the air vent 3.
Claims (1)
1. A pneumatic engine is characterized by comprising a hollow air distribution pipe and an air distribution rotating shaft, wherein the two ends of the air distribution pipe are respectively provided with a front bracket and a rear bracket, a first air vent and a second air vent with upward openings are arranged on the air distribution pipe, the connecting line of the central point of the first air vent and the central point of the second air vent is parallel to the central axis of the air distribution pipe, a first air vent and a second air vent which take the central axis of the air distribution pipe as a symmetrical line are symmetrically arranged on the air distribution pipe, the central axes of the first air vent and the second air vent are perpendicular to a plane formed by the connecting line of the central point of the first air vent, the central point of the second air vent and the central point of the air distribution pipe, the outer ends of the first air vent and the second air vent are respectively connected with a first air cylinder and a second air cylinder, the first air cylinder and the second air cylinder are fixed on the front bracket, the first cylinder and the second cylinder are respectively provided with a first piston with a first connecting rod and a second piston with a second connecting rod, the air distribution rotating shaft sequentially passes through the rear bracket, the air distribution pipe and the front bracket and can rotate freely, the outer wall of the air distribution rotating shaft is tightly attached to the inner wall of the air distribution pipe and is airtight, one end of the air distribution rotating shaft passing through the front bracket is provided with an eccentric driving rod deviating from the central axis of the air distribution rotating shaft, the eccentric driving rod is respectively connected with one outwards ends of the first connecting rod and the second connecting rod, the air distribution rotating shaft is wrapped on the outer wall in the air distribution pipe and is provided with a first groove and a second groove which are in a closed ring shape, the distance between the central line of the first groove and the central line of the second groove is equal to the distance between the central points of the first air vent and the second air vent, namely, when the air distribution rotating shaft rotates, the first groove is always communicated with the first air vent, the second groove is always communicated with the second air vent, and the air distribution rotating shaft is in a length of one third of the perimeter of the first groove, the depth of the first groove is milled to form a first concave surface along the direction of the first groove towards the second groove, the first concave surface is not communicated with the second groove, a second concave surface which is consistent with the first concave surface in shape is milled along the second groove towards the direction of the first groove at the opposite position of the other surface of the outer wall of the air distribution rotating shaft, the second concave surface is not communicated with the first groove, and the first concave surface and the second concave surface are alternately communicated with the first vent pipe and the second vent pipe when the air distribution rotating shaft rotates;
the first concave surface and the second concave surface are rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344410.7A CN110821569B (en) | 2019-12-23 | 2019-12-23 | Pneumatic engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344410.7A CN110821569B (en) | 2019-12-23 | 2019-12-23 | Pneumatic engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110821569A CN110821569A (en) | 2020-02-21 |
| CN110821569B true CN110821569B (en) | 2024-04-02 |
Family
ID=69546242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344410.7A Active CN110821569B (en) | 2019-12-23 | 2019-12-23 | Pneumatic engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110821569B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910239A (en) * | 1974-06-10 | 1975-10-07 | Richard James | Opposed piston power unit |
| CN2082764U (en) * | 1990-10-29 | 1991-08-14 | 孟海东 | Four-stroke engine distributing valve |
| US5671702A (en) * | 1994-02-17 | 1997-09-30 | Kesol Production Ab | Valve system in a rotary radial-piston engine |
| KR19980043142A (en) * | 1998-05-26 | 1998-08-17 | 김진환 | Engine suction. exhaust |
| FR2838769A1 (en) * | 2002-04-22 | 2003-10-24 | Mdi Motor Dev Internat | Variable flow reducing valve for compressed air injection engine comprising high pressure air tank and buffer capacity utilizes pilot valve cams controlling rocker arm rods to change lever arm ratio and determine valve lift |
| WO2006133531A1 (en) * | 2005-06-16 | 2006-12-21 | Arkady Ivanovich Tararuk | Rotary engine |
| CN1987105A (en) * | 2005-12-21 | 2007-06-27 | 比亚迪股份有限公司 | Micro air pump |
| JP2011196305A (en) * | 2010-03-23 | 2011-10-06 | Kayseven Co Ltd | Reciprocating steam engine |
| JP2013002403A (en) * | 2011-06-20 | 2013-01-07 | Hiromi Isozaki | Engine, and engine system |
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| WO2018067692A1 (en) * | 2016-10-04 | 2018-04-12 | Davis Global Engines, Llc | Sliding linear internal combustion engine |
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| CN211524910U (en) * | 2019-12-23 | 2020-09-18 | 广西师范大学 | Pneumatic engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2439810C (en) * | 2001-03-28 | 2006-10-31 | Akihide Ninomiya | Sealing apparatus and manufacturing process of soft article having sealed portion |
| US20060000206A1 (en) * | 2004-07-02 | 2006-01-05 | Stoudt Vernon C | Vacuum engine |
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Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910239A (en) * | 1974-06-10 | 1975-10-07 | Richard James | Opposed piston power unit |
| CN2082764U (en) * | 1990-10-29 | 1991-08-14 | 孟海东 | Four-stroke engine distributing valve |
| US5671702A (en) * | 1994-02-17 | 1997-09-30 | Kesol Production Ab | Valve system in a rotary radial-piston engine |
| KR19980043142A (en) * | 1998-05-26 | 1998-08-17 | 김진환 | Engine suction. exhaust |
| FR2838769A1 (en) * | 2002-04-22 | 2003-10-24 | Mdi Motor Dev Internat | Variable flow reducing valve for compressed air injection engine comprising high pressure air tank and buffer capacity utilizes pilot valve cams controlling rocker arm rods to change lever arm ratio and determine valve lift |
| WO2006133531A1 (en) * | 2005-06-16 | 2006-12-21 | Arkady Ivanovich Tararuk | Rotary engine |
| CN1987105A (en) * | 2005-12-21 | 2007-06-27 | 比亚迪股份有限公司 | Micro air pump |
| JP2011196305A (en) * | 2010-03-23 | 2011-10-06 | Kayseven Co Ltd | Reciprocating steam engine |
| JP2013002403A (en) * | 2011-06-20 | 2013-01-07 | Hiromi Isozaki | Engine, and engine system |
| KR20130040566A (en) * | 2011-10-14 | 2013-04-24 | 김동섭 | Engine of vehicle |
| WO2018067692A1 (en) * | 2016-10-04 | 2018-04-12 | Davis Global Engines, Llc | Sliding linear internal combustion engine |
| CN208441929U (en) * | 2018-07-16 | 2019-01-29 | 倪梓欣 | A kind of multi-cylinder engine system |
| CN211524910U (en) * | 2019-12-23 | 2020-09-18 | 广西师范大学 | Pneumatic engine |
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| 旋转活塞式气动发动机气口设计;张雷;潘存云;徐海军;张湘;;浙江大学学报(工学版);20141215(12);第87-93页 * |
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| Publication number | Publication date |
|---|---|
| CN110821569A (en) | 2020-02-21 |
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