CN101598231B - Pneumatic actuator - Google Patents
Pneumatic actuator Download PDFInfo
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- CN101598231B CN101598231B CN2009100999378A CN200910099937A CN101598231B CN 101598231 B CN101598231 B CN 101598231B CN 2009100999378 A CN2009100999378 A CN 2009100999378A CN 200910099937 A CN200910099937 A CN 200910099937A CN 101598231 B CN101598231 B CN 101598231B
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- next door
- pneumatic actuator
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Abstract
The invention relates to a pneumatic actuator, which comprises a cylinder body, a left end closure and a right end closure at both ends of the cylinder body, a left main piston and a right main piston arranged in the cylinder body, and a gear shaft, wherein the left main piston and the right main piston are coupled with the gear shaft by conjoint racks; a left fixed partition wall and a left locating piston are sequentially arranged at one side of the left main piston in the cylinder body; a right fixed partition wall and a right locating piston are sequentially arranged at one side of the right main piston; the left locating piston and the right locating piston are fixedly connected with a locating rod which passes through the partition wall and the main pistons and movably matched with the partition wall and the main pistons; vent openings are arranged on different positions of the cavity wall of the cylinder body. The pneumatic actuator overcomes detects that the application range of the common pneumatic actuator is small as the common pneumatic actuator in the prior art only has two full-opening working positions or full-closing working positions and can not regulate flow rate; by the specific design, the pneumatic actuator can regulate open-closing angles at any time, and has the advantages of compact structure, convenient manipulation, stable opening and closing operation of a valve and high reliability.
Description
Technical field
The present invention relates to a kind of pneumatic actuator.
Background technique
Pneumatic actuator is the control executing mechanism that valve opening is closed, its structure generally comprises the left and right end cap at cylinder block and cylinder block two ends, and be arranged on left and right piston and gear shaft in the cylinder block, the tooth bar linked gear axle of left and right piston by linking to each other, when left and right piston slip made the positive and negative rotation of tooth bar linked gear axle, corresponding the doing of valve opened or closing motion.Be not difficult to find that the traditional, pneumatic final controlling element generally has only standard-sized sheet or two working positions of complete shut-down with respect to controlled valve, can't carry out the adjusting of rate-of flow, can not adapt to the usage requirement in different operating field.
Summary of the invention
Common pneumatic actuator has only standard-sized sheet or two working positions of complete shut-down in the prior art in order to overcome, can't carry out the adjusting of flow, the Applicable scope problem of smaller, the invention provides a kind of pneumatic actuator, the compact structure of this pneumatic actuator, not only can change operating angle at any time and control conveniently, good reliability.
The technical solution adopted for the present invention to solve the technical problems is: a left side that comprises cylinder block and cylinder block two ends, right end cap, and be arranged on a left side in the cylinder block, right main piston and gear shaft, a left side, the tooth bar linked gear axle of right main piston by linking to each other, a side of left main piston sets gradually a left side fixedly next door and left positioning piston in cylinder block, one side of right main piston sets gradually right fixedly next door and right positioning piston, independent separately respectively affixed corresponding positioning rod on left positioning piston and right positioning piston, positioning rod pass next door and main piston and with its movable cooperation, being provided with ventilating hole on the wall of the chamber of cylinder block, between left end cap and the left positioning piston is first ventilating hole wherein, a left side positioning piston and a left side between the next door are second ventilating hole fixedly, between left side main piston and the right main piston is the 3rd ventilating hole, be the four-way gas port that is communicated with between left fixedly next door and the left main piston and between right fixedly next door and the right main piston, between right fixedly next door and the right positioning piston is the five-way gas port, between right positioning piston and the right end cap is the 6th ventilating hole.
Positioning rod is threaded by waney two sections and constitutes, and each section end all forms positioning table.
On a left side fixedly between next door and the left main piston, spring is set between right fixedly next door and the right main piston.
The present invention is by above-mentioned specific design, can adjust opening and closing angle at any time, expanded Applicable scope greatly, spring design between its end cap and the main piston, also effectively eliminated the gap between the rack and pinion axle, make the on-off action of valve more steady, have compact structure, control conveniently, the advantage of good reliability.
Description of drawings
Below in conjunction with drawings and Examples detailed content of the present invention is described.
Fig. 1 is the structural representation of working position of the present invention at 0 °-45 ° (0 °-90 °);
Fig. 2 is the structural representation of working position of the present invention at 45 °-90 ° (90 °-180 °);
Fig. 3 is the structural representation of working position of the present invention at 90 °-45 ° (180 °-90 °);
Fig. 4 is the structural representation of working position of the present invention at 45 °-0 ° (90 °-0 °).
Embodiment
As shown in the figure, the present invention includes left end cap 2, the right end cap 3 at cylinder block 1 and cylinder block two ends, and being arranged on left main piston 4, right main piston 5 and gear shaft 6 in the cylinder block 1, the tooth bar 20 linked gear axles 6 of left and right main piston 4,5 by linking to each other are in cylinder block 1
One side of left side main piston 4 sets gradually a left side fixedly next door 7 and left positioning piston 8, one side of right main piston 5 sets gradually right fixedly next door 9 and right positioning piston 10, independent separately respectively affixed corresponding positioning rod 19 on left positioning piston 8 and right positioning piston 10, positioning rod 19 pass next door and main piston and with its movable cooperation, positioning rod 19 is threaded by waney two sections and constitutes, and each section end all forms positioning table 17; Being provided with ventilating hole on the wall of the chamber of cylinder block 1, between left end cap 2 and the left positioning piston 8 is that first ventilating hole 11, left positioning piston 8 and a left side between the next door 7 are between second ventilating hole 12, left main piston 4 and the right main piston 5 to be that the 3rd ventilating hole 13, a left side are fixedly between next door 7 and the left main piston 4 and be that the four-way gas port 14, the right side of connection between next door 9 and the right positioning piston 10 is between five-way gas port 15, right positioning piston 10 and the right end cap 3 to be the 6th ventilating hole 16 fixedly between right fixedly next door 9 and the right main piston 5 fixedly wherein.On a left side fixedly between next door 7 and the left main piston 4, spring 18 is set between right fixedly next door 9 and the right main piston 5, spring 18 designs between end cap and the main piston, also effectively eliminated the gap between tooth bar 20 and the gear shaft 6, made the on-off action of valve more steady.Under 0 °-45 ° (0 °-90 °) working position states, as shown in Figure 1, bleed pressure of the present invention enters first ventilating hole 11 simultaneously, the 6th ventilating hole 16 and the 3rd ventilating hole 13, the bleed pressure that enters from first ventilating hole 11 and the 6th ventilating hole 16 promotes left positioning piston 8, right positioning piston 10 and positioning rod 19, and make positioning rod 19 be preset in 45 ° of positions, air is discharged by second ventilating hole 12 and five-way gas port 15, and the bleed pressure that enters the 3rd ventilating hole 13 promotes left main piston 4 and right main piston 5 oppositely moves, air is discharged by four-way gas port 14, when left main piston 4 and right main piston 5 touch the positioning table 17 of positioning rod 19 bigger diameter ends, left side main piston 4 and right main piston 5 stop to move, be positioned at 45 ° of working positions, correspondingly valve is done 45 ° of switchings.Under 45 °-90 ° (90 °-180 °) working position states, as shown in Figure 2, bleed pressure of the present invention enters second ventilating hole 12 simultaneously, five-way gas port 15 and the 3rd ventilating hole 13, the bleed pressure that enters from second ventilating hole 12 and five-way gas port 15 promotes left positioning piston 8, right positioning piston 10 and positioning rod 19, and make positioning rod 19 be preset in 90 ° of positions, air is discharged by first ventilating hole 11 and the 6th ventilating hole 16, and the bleed pressure that enters the 3rd ventilating hole 13 promotes left main piston 4 and right main piston 5 moves in the same way, air is discharged by four-way gas port 14, when left main piston 4 and right main piston 5 touch the positioning table 17 of positioning rod 19 bigger diameter ends, left side main piston 4 and right main piston 5 stop to move, be positioned at 90 ° of working positions, correspondingly valve is done 90 ° of switchings.Under 90 °-45 ° (180 °-90 °) working position states, as shown in Figure 3, bleed pressure of the present invention enters second ventilating hole 12 simultaneously, five-way gas port 15 and four-way gas port 14, the bleed pressure that enters from second ventilating hole 12 and five-way gas port 15 promotes left positioning piston 8, right positioning piston 10 and positioning rod 19, air is discharged by first ventilating hole 11 and the 6th ventilating hole 16, and the bleed pressure that enters four-way gas port 14 promotes left main piston 4 and right main piston 5 oppositely moves, air is discharged by the 3rd ventilating hole 13, when left main piston 4 and right main piston 5 touch the positioning table 17 of positioning rod 19 miner diameter ends, left side main piston 4 and right main piston 5 stop to move, and valve is made corresponding on-off action.Under 45 °-0 ° (90 °-0 °) working position state, as shown in Figure 4, bleed pressure of the present invention enters first ventilating hole 11 simultaneously, the 6th ventilating hole 16 and four-way gas port 14, the bleed pressure that enters from first ventilating hole 11 and the 6th ventilating hole 16 promotes left positioning piston 8, right positioning piston 10 and positioning rod 19, air is discharged by second ventilating hole 12 and five-way gas port 15, and the bleed pressure that enters four-way gas port 14 promotes left main piston 4 and right main piston 5 moves in the same way, air is discharged by the 3rd ventilating hole 13, when left main piston 4 and right main piston 5 touch the positioning table 17 of positioning rod 19 miner diameter ends, left side main piston 4 and right main piston 5 stop to move, and valve is made corresponding on-off action.Above-described embodiment only is that the preferred implementation to pneumatic actuator of the present invention is described; be not that the design and the scope of inventing limited; under the prerequisite that does not break away from the present invention program; various external form modification and improvement that those skilled in the art make technological scheme of the present invention all should fall into the protection domain of pneumatic actuator of the present invention.
Claims (3)
1. pneumatic actuator, a left side that comprises cylinder block and cylinder block two ends, right end cap, and be arranged on a left side in the cylinder block, right main piston and gear shaft, a left side, the tooth bar linked gear axle of right main piston by linking to each other, a side that it is characterized in that left main piston (4) in cylinder block (1) sets gradually a left side fixedly next door (7) and left positioning piston (8), one side of right main piston (5) sets gradually right fixedly next door (9) and right positioning piston (10), go up independent separately respectively affixed corresponding positioning rod (19) at left positioning piston (8) and right positioning piston (10), positioning rod (19) pass be relatively fixed next door and main piston and with its movable cooperation, being provided with ventilating hole on the chamber wall of cylinder block (1), between left end cap (2) and the left positioning piston (8) is first ventilating hole (11) wherein, left side positioning piston (8) and left be second ventilating hole (12) between next door (7) fixedly, between left side main piston (4) and the right main piston (5) is the 3rd ventilating hole (13), a left side is fixedly between next door (7) and the left main piston (4) and be the four-way gas port (14) of connection between right fixedly next door (9) and the right main piston (5), between right fixedly next door (9) and the right positioning piston (10) is five-way gas port (15), between right positioning piston (10) and the right end cap (3) is the 6th ventilating hole (16).
2. pneumatic actuator according to claim 1 is characterized in that positioning rod (19) is threaded by waney two sections to constitute, and each section end all forms positioning table (17).
3. pneumatic actuator according to claim 1 and 2 is characterized in that on a left side fixedly between next door (7) and the left main piston (4), spring (18) is set between right fixedly next door (9) and the right main piston (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100999378A CN101598231B (en) | 2009-06-19 | 2009-06-19 | Pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100999378A CN101598231B (en) | 2009-06-19 | 2009-06-19 | Pneumatic actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101598231A CN101598231A (en) | 2009-12-09 |
| CN101598231B true CN101598231B (en) | 2011-01-26 |
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ID=41419776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100999378A Active CN101598231B (en) | 2009-06-19 | 2009-06-19 | Pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101598231B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922562A (en) * | 2010-08-14 | 2010-12-22 | 江南机器（集团）有限公司 | Dual-piston pneumatic ball valve of compressed air bundling air cylinder |
| CN102705570A (en) * | 2012-06-12 | 2012-10-03 | 徐州燃控科技股份有限公司 | Rotary power-off spring restorer |
| BR102013015209A2 (en) * | 2012-06-15 | 2015-07-28 | Webb Wheel Products Inc | Pneumatic Deflection Spring Actuator |
| CN103148238B (en) * | 2013-04-10 | 2016-09-28 | 广东胜捷工业安全技术有限公司 | A kind of gas control valve for fire extinguishing nitrogen system |
| CN104864157A (en) * | 2014-09-09 | 2015-08-26 | 浙江康赛特阀门有限公司 | High-torque pneumatic actuator provided with one cylinder and four pistons |
| CN106286958A (en) * | 2015-06-12 | 2017-01-04 | 无锡市诚天诺执行器制造有限公司 | A kind of novel pneumatic actuator |
| CN105889605A (en) * | 2016-05-26 | 2016-08-24 | 江苏通达船用阀泵有限公司 | Pneumatic actuator |
| CN106439182A (en) * | 2016-12-06 | 2017-02-22 | 无锡优耐特净化装备有限公司 | Pneumatic actuator |
-
2009
- 2009-06-19 CN CN2009100999378A patent/CN101598231B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101598231A (en) | 2009-12-09 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Huaershi Automatic Control Instrument Valve Co., Ltd. Assignor: Ji Zhongyong Contract record no.: 2011330001162 Denomination of invention: Fan type pneumatic power executor Granted publication date: 20110126 License type: Exclusive License Open date: 20091209 Record date: 20110916 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170414 Address after: 325000 Wenzhou, Longwan District, Yongxing Street Hing Road, No. 15, No. Patentee after: Zhejiang Huaershi Automatic Control Instrument Valve Co., Ltd. Address before: 325000 Longwan Industrial Zone, Wenzhou, Yongxing, Wing Lok Road West, No. 10 Patentee before: Ji Zhongyong |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170707 Address after: 325000 Wenzhou, Longwan District, Yongxing Street Hing Road, No. 15, No. Patentee after: Zhejiang Huaershi Automatic Control Instrument Valve Co., Ltd. Address before: 325000 Longwan Industrial Zone, Wenzhou, Yongxing, Wing Lok Road West, No. 10 Patentee before: Ji Zhongyong |