CN104806295A - Double-cylinder pneumatic engine driving device - Google Patents
Double-cylinder pneumatic engine driving device Download PDFInfo
- Publication number
- CN104806295A CN104806295A CN201510134159.7A CN201510134159A CN104806295A CN 104806295 A CN104806295 A CN 104806295A CN 201510134159 A CN201510134159 A CN 201510134159A CN 104806295 A CN104806295 A CN 104806295A
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- China
- Prior art keywords
- piston
- cylinder
- double
- pneumatic engine
- drive device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
A double-cylinder pneumatic engine driving device comprises a rack, an upper gear, a lower gear and two cylinders. The upper gear is connected with the upper portion of the rack, the lower gear is connected with the lower portion of the rack, and the two cylinders are connected with the two ends of the rack respectively. Each cylinder comprises a cylinder barrel, a piston and a piston rod. The pistons are disposed in the cylinder barrels, the ends of the piston rods are connected with the pistons, and the other ends are connected with the racks. The device is simple in structure, low in cost and high in adaptability, and output power of the pneumatic engine under the push stroke and the pull stroke is different; the engine overall size is not increased under the action of identical expansion force.
Description
Technical field
The present invention relates to air motor field, particularly, relate to a kind of Double-cylinder pneumatic engine drive device.
Background technique
Air motor is the power equipment of automobile, for the automobile in travelling provides continuous driving force.Air motor generally produces power by gas, is driven by cylinder, and the piston of cylinder is used for bearing gas pressure, and is rotated by piston rod and rack drives gear.
Air motor in the course of the work, promote rack drives gear by piston rod to rotate, because rodless cavity is different from the lifting surface area of rod chamber piston, so when adopting single cylinder, the pulling force that tooth bar receives and thrust differ in size, and air motor can be caused so different with the output power of drawing under journey at rise; In addition under the effect needing to provide identical expansive force, single cylinder is adopted then to need to increase cylinder diameter.Adopt two cylinders to reduce cylinder diameter, thus reduce the overall dimension of motor, the coaxality adopting twin-tub to ensure when tooth bar move, and adopt twin-tub driving inevitably will increase the complexity of cost and product.
Summary of the invention
Object of the present invention is just the shortcoming and defect overcoming above-mentioned prior art, provides the Double-cylinder pneumatic engine drive device that a kind of structure is simple, with low cost, applicability is strong.
The present invention's adopted technological scheme that solves the problem is:
Double-cylinder pneumatic engine drive device, comprises tooth bar, cogs, lower gear, described in cog and be connected to above tooth bar, lower gear is connected to below tooth bar, and also comprise two cylinders, two cylinders are connected to the two ends of tooth bar; Described cylinder comprises cylinder barrel, piston, piston rod, and piston is positioned at cylinder barrel, and piston rod one end connects piston, and the other end connects tooth bar.
As a further improvement on the present invention, described piston comprises the piston only of annular, piston only end face offers piston rod mounting hole, the central axis of piston rod mounting hole and the central axes of piston only; The outer peripheral surface of described piston only is arranged with positioning ring, seal ring, magnet ring, positioning ring, seal ring, magnet ring are arranged side by side along the axial direction of piston only, and positioning ring and magnet ring lay respectively at seal ring both sides.
Further, described piston only center offers pin-and-hole, and this pin-and-hole is communicated with piston rod mounting hole.
Further, two end faces of described piston only are respectively provided with a boss, and piston rod mounting hole is arranged on one of them boss center, and another boss center offers positioning hole, and pin-and-hole is all communicated with piston rod mounting hole, positioning hole.
Further, described boss ringwise, the outer peripheral surface of one of them boss is provided with screw thread.
Further, an end face of described piston only offers the first annular groove, another end face offers the second annular groove.
Further, described first annular groove is a step trough, and be made up of the outer groove away from piston only center and the inner groove near piston only center, outer groove is connected with inner groove, and outer groove diameter is greater than inner groove.
Further, described piston only adopts aluminum alloy to make.
To sum up, the invention has the beneficial effects as follows:
1, the invention provides the Double-cylinder pneumatic engine drive device that a kind of structure is simple, with low cost, applicability is strong, avoid air motor different with the output power of drawing under journey at rise; Under the effect needing to provide identical expansive force, do not increase the overall dimension of motor; Coaxality when tooth bar moves can also be ensured;
2, cylinder of the present invention installs very convenient and good stability;
3, the piston only of cylinder of the present invention adopts aluminum alloy to make, and has good rigidity, intensity, and lightweight, good conductivity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of piston.
Mark and corresponding component title in accompanying drawing: 11-tooth bar; 12-cogs; 13-lower gear; 14-cylinder; 141-cylinder barrel; 142-piston; 143-piston rod; 1-piston only; 2-pin-and-hole; 3-positioning ring; 4-seal ring; 5-magnet ring; 6-boss; 71-piston rod mounting hole; 72-positioning hole; 8-first annular groove; 81-outer groove; 82-inner groove; 9-second annular groove.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, Double-cylinder pneumatic engine drive device, comprises tooth bar 11, cogs 12, lower gear 13, two cylinders 14, described in cog and 12 be connected to above tooth bar 11, lower gear 13 is connected to below tooth bar 11, and two cylinders 14 are connected to the two ends of tooth bar 11.
Described cylinder 14 comprises cylinder barrel 141, piston 142, piston rod 143, and piston 142 is positioned at cylinder barrel 141, and piston rod 143 one end connects piston 142, and the other end connects tooth bar 11.Air motor in the course of the work, the gas exerts pressure in cylinder 14 by piston rod 143 promote tooth bar 11 drive cog 12, lower gear 13 rotates.
As shown in Figure 2, piston 142 comprises the piston only 1 of annular, and described piston only 1 adopts aluminum alloy to make.Intensity of aluminum alloy is high, density is little, and the thermal conductivity of aluminium is only second to copper, therefore in the present embodiment, select aluminum alloy for piston only 1, experiment proves that the stress suffered by piston 142 in the present embodiment is all less than its yield strength, piston 142 has good rigidity, intensity, and lightweight, good conductivity.
The outer peripheral surface of piston only 1 is arranged with positioning ring 3, seal ring 4, magnet ring 5, positioning ring 3, seal ring 4, magnet ring 5 are arranged side by side along the axial direction of piston only 1, and positioning ring 3 and magnet ring 5 lay respectively at seal ring 4 both sides.Positioning ring 3, for the location between piston and the cylinder barrel of cylinder, is avoided piston to form torsional moment in the course of the work and is produced pull-cylinder phenomena; Seal ring 4, for the sealing of piston and inner wall of cylinder, prevents Leakage Gas.
Piston only 1 center offers pin-and-hole 2.
Two end faces of piston only 1 are respectively provided with an annular boss 6, the central axis of the annular boss 6 of two all with the central axes of piston only 1, one of them boss 6 center is provided with piston rod mounting hole 71, another boss 6 center offers positioning hole 72, pin-and-hole 2 be all communicated with piston rod mounting hole 71, positioning hole 72 and the central axis in three holes all with the central axes of piston only 1.The outer peripheral surface of one of them boss 6 is provided with screw thread.
An end face of described piston only 1 offers the first annular groove 8, another end face offers the second annular groove 9; Described first annular groove 8 is a step trough, and be made up of the outer groove 81 away from piston only 1 center and the inner groove 82 near piston only 1 center, outer groove 81 is connected with inner groove 82, and outer groove 81 diameter is greater than inner groove 82.The internal diameter of the first annular groove 8, second annular groove 9 is all less than the external diameter of boss 6, and boss 6 is positioned at the first annular groove 8 or the second annular groove 9 center.
Aforementioned pin-and-hole 2, boss 6, first annular groove 8, second annular groove 9, piston rod mounting hole 71, positioning hole 72 are for installing piston rod, and said structure makes the easy for installation, stable of piston rod.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technological schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (8)
1. Double-cylinder pneumatic engine drive device, comprise tooth bar (11), cog (12), lower gear (13), described cog (12) are connected to tooth bar (11) top, lower gear (13) is connected to tooth bar (11) below, it is characterized in that, also comprise two cylinders (14), two cylinders (14) are connected to the two ends of tooth bar (11);
Described cylinder (14) comprises cylinder barrel (141), piston (142), piston rod (143), and piston (142) is positioned at cylinder barrel (141), and piston rod (143) one end connects piston (142), and the other end connects tooth bar (11).
2. Double-cylinder pneumatic engine drive device according to claim 1, it is characterized in that, described piston (142) comprises the piston only (1) of annular, piston only (1) end face offers piston rod mounting hole (71), the central axis of piston rod mounting hole (71) and the central axes of piston only (1); The outer peripheral surface of described piston only (1) is arranged with positioning ring (3), seal ring (4), magnet ring (5), positioning ring (3), seal ring (4), magnet ring (5) are arranged side by side along the axial direction of piston only (1), and positioning ring (3) and magnet ring (5) lay respectively at seal ring (4) both sides.
3. Double-cylinder pneumatic engine drive device according to claim 2, is characterized in that, described piston only (1) center offers pin-and-hole (2), and this pin-and-hole (2) is communicated with piston rod mounting hole (71).
4. Double-cylinder pneumatic engine drive device according to claim 3, it is characterized in that, two end faces of described piston only (1) are respectively provided with a boss (6), piston rod mounting hole (71) is arranged on one of them boss (6) center, another boss (6) center offers positioning hole (72), and pin-and-hole (2) is all communicated with piston rod mounting hole (71), positioning hole (72).
5. Double-cylinder pneumatic engine drive device according to claim 4, is characterized in that, described boss (6) ringwise, the outer peripheral surface of one of them boss (6) is provided with screw thread.
6. Double-cylinder pneumatic engine drive device according to claim 3, is characterized in that, an end face of described piston only (1) offers the first annular groove (8), another end face offers the second annular groove (9).
7. Double-cylinder pneumatic engine drive device according to claim 6, it is characterized in that, described first annular groove (8) is a step trough, be made up of the outer groove (81) away from piston only (1) center and the inner groove (82) near piston only (1) center, outer groove (81) is connected with inner groove (82), and outer groove (81) diameter is greater than inner groove (82).
8. according to the arbitrary described Double-cylinder pneumatic engine drive device of claim 2 to 7, it is characterized in that, described piston only (1) adopts aluminum alloy to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510134159.7A CN104806295A (en) | 2015-03-26 | 2015-03-26 | Double-cylinder pneumatic engine driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510134159.7A CN104806295A (en) | 2015-03-26 | 2015-03-26 | Double-cylinder pneumatic engine driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806295A true CN104806295A (en) | 2015-07-29 |
Family
ID=53691447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510134159.7A Pending CN104806295A (en) | 2015-03-26 | 2015-03-26 | Double-cylinder pneumatic engine driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806295A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032861A (en) * | 2015-07-31 | 2015-11-11 | 苏州速腾电子科技有限公司 | Pneumatic cleaning machine |
| CN107387168A (en) * | 2017-08-03 | 2017-11-24 | 冯袖幅 | Pneumoelectric power set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB416178A (en) * | 1932-08-18 | 1934-09-13 | Knorr Bremse Ag | A reciprocating device actuated by a fluid pressure medium, especially suitable for operating window wipers |
| CN101501371A (en) * | 2006-07-28 | 2009-08-05 | 诺格伦有限责任公司 | Piston portion for a piston assembly and a piston assembly |
| CN101781997A (en) * | 2010-02-04 | 2010-07-21 | 钱戈 | Crankless piston type stepless speed change engine and design method |
| CN102031993A (en) * | 2010-12-30 | 2011-04-27 | 南京理工大学 | Two-stage expansion piston air motor device |
| CN103498833A (en) * | 2013-10-17 | 2014-01-08 | 济南夫驰科技有限公司 | Air cylinder with end cover sealing structure |
-
2015
- 2015-03-26 CN CN201510134159.7A patent/CN104806295A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB416178A (en) * | 1932-08-18 | 1934-09-13 | Knorr Bremse Ag | A reciprocating device actuated by a fluid pressure medium, especially suitable for operating window wipers |
| CN101501371A (en) * | 2006-07-28 | 2009-08-05 | 诺格伦有限责任公司 | Piston portion for a piston assembly and a piston assembly |
| CN101781997A (en) * | 2010-02-04 | 2010-07-21 | 钱戈 | Crankless piston type stepless speed change engine and design method |
| CN102031993A (en) * | 2010-12-30 | 2011-04-27 | 南京理工大学 | Two-stage expansion piston air motor device |
| CN103498833A (en) * | 2013-10-17 | 2014-01-08 | 济南夫驰科技有限公司 | Air cylinder with end cover sealing structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032861A (en) * | 2015-07-31 | 2015-11-11 | 苏州速腾电子科技有限公司 | Pneumatic cleaning machine |
| CN107387168A (en) * | 2017-08-03 | 2017-11-24 | 冯袖幅 | Pneumoelectric power set |
| WO2019024912A1 (en) * | 2017-08-03 | 2019-02-07 | 冯袖幅 | Pneumoelectric power device |
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Application publication date: 20150729 |
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| RJ01 | Rejection of invention patent application after publication |