CN203258159U - Sectional controllable pneumatic actuator - Google Patents
Sectional controllable pneumatic actuator Download PDFInfo
- Publication number
- CN203258159U CN203258159U CN 201320285518 CN201320285518U CN203258159U CN 203258159 U CN203258159 U CN 203258159U CN 201320285518 CN201320285518 CN 201320285518 CN 201320285518 U CN201320285518 U CN 201320285518U CN 203258159 U CN203258159 U CN 203258159U
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- China
- Prior art keywords
- piston
- limit
- end cap
- pull bar
- adjusting nut
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- Expired - Fee Related
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Abstract
The utility model discloses a sectional controllable pneumatic actuator, which comprises a main cylinder; a left end cover and a right end cover are fixedly installed at the left and right ends of the main cylinder respectively; a left piston, a right piston and a gear shaft are arranged in the main cylinder; a left limiting piston is arranged between the left piston and the left end cover; a left limiting pull rod is arranged between the left end cover and the left limiting piston; a left adjusting nut is screwed and fixed on the left limiting pull rod fixedly; a right limiting piston is arranged between the right piston and the right end cover; a right limiting pull rod is arranged between the right end cover and the right limiting piston; and a right adjusting nut is screwed and fixed on the right limiting pull rod. By adopting the structure, the lengths of the left and right limiting pull rods stretching into the main cylinder are controlled by correspondingly adjusting the positions of the left and right adjusting nuts, so that the pre-set positions of the left and right limiting pistons are controlled and a controlled valve can further perform medium flow adjustment at a pre-set angle; and different use requirements of the controlled valve in different working fields are satisfied.
Description
Technical field
The utility model relates to a kind of pneumatic actuator for opening/shutting valve, is specifically related to a kind of segmentation controllable pneumatic final controlling element.
Background technique
Pneumatic actuator normally is connected with valve, and is used for the control valve keying.At present, existing pneumatic actuator generally includes Master cylinder body, the two ends, the left and right sides of described Master cylinder body are fixed with respectively a left side, right end cap, be provided with a left side in the Master cylinder body, right piston and a gear shaft, a described left side, be equipped with the tooth bar with described gear shaft linkage on the right piston, when therefore using, people control a left side by the clockwise and anticlockwise movable gear shaft, right piston moves, thereby control valve is opened or is closed, but because existing pneumatic actuator can only carry out standard-sized sheet or complete shut-down operation to controlled valve usually, and the rate-of flow that can't carry out predetermined angle is regulated, and therefore there is certain limitation in actual applications in existing pneumatic actuator.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of sectional adjusting control valve door to open and close the pneumatic actuator of angle.
For achieving the above object, the utility model provides a kind of segmentation controllable pneumatic final controlling element, comprise Master cylinder body, the two ends, the left and right sides of described Master cylinder body are fixed with respectively a left side, right end cap, be provided with a left side in the Master cylinder body, right piston and a gear shaft, a described left side, be equipped with the tooth bar with described gear shaft linkage on the right piston, be provided with the left limit piston between left piston and the left end cap, be provided with the left limit pull bar between left end cap and the left limit piston, the inner of left limit pull bar and left limit piston are affixed, and the inner end of left limit pull bar is passed the left limit piston and is fixed with the left limit lid, the outer end of left limit pull bar is arranged in the left end cap, and the end, outer end of left limit pull bar is passed left end cap and is bolted and fixed with left adjusting nut, be provided with the right limit piston between right piston and the right end cap, be provided with the right limit pull bar between right end cap and the right limit piston, the inner of right limit pull bar and right limit piston are affixed, and the inner end of right limit pull bar is passed the right limit piston and is fixed with the right limit lid, the outer end of right limit pull bar is arranged in the right end cap, and the end, outer end of right limit pull bar is passed right end cap and is bolted and fixed with right adjusting nut, offer the first ventilating hole on the chamber between described left piston and the right piston, offer the second ventilating hole on the chamber between left piston and the left limit piston, offer the 3rd ventilating hole on the chamber between right piston and the right limit piston, offer the four-way gas port on the chamber between left limit piston and the left end cap, offer the five-way gas port on the chamber between right limit piston and the right end cap.
The beneficial effects of the utility model are: adopt said structure, because the utility model has been set up left limit piston and left limit pull bar between described left piston and left end cap, right limit piston and right limit pull bar between described right piston and right end cap, have been set up, therefore people can control the left limit pull bar by the position that correspondence is regulated left adjusting nut and stretch into length in the Master cylinder body, and the corresponding position of regulating right adjusting nut is controlled the right limit pull bar and is stretched into length in the Master cylinder body, thereby control is left, the predeterminated position of right limit piston, and then make controlled valve can carry out the rate-of flow adjusting of predetermined angle, satisfy user's different usage requirements to controlled valve in the different operating field.
The utility model can further be set to be provided with left axle sleeve between described left limit pull bar and the left end cap, inner outer peripheral surface and the left end cap of described left axle sleeve are spirally connected fixing, be bolted and fixed with the left support lid on the outer end outer peripheral surface of described left axle sleeve, be spirally connected in the described left support lid and be provided with and consist of the spacing limit on the left adjusting nut of butt with left adjusting nut, be provided with right axle sleeve between described right limit pull bar and the right end cap, inner outer peripheral surface and the right end cap of described right axle sleeve are spirally connected fixing, be bolted and fixed with the right support lid on the outer end outer peripheral surface of described right axle sleeve, being spirally connected in the described right support lid is provided with and can consists of the spacing limit on the right-right-hand limit adjusting nut of butt with right adjusting nut.
Adopt said structure, by setting up limit on the left adjusting nut and limit on the right-right-hand limit adjusting nut, can be used for controlling the limit regulation range of left and right adjusting nut, and then control the limit keying angle of controlled valve, prevent that excessive operation from making valve have potential safety hazard.
The utility model also can further be set to be equiped with left sealing cover on the end, outer end of described left support lid, and be the secure fit that is spirally connected between described left sealing cover and the left support lid, be equiped with right sealing cover on the end, outer end of described right support lid, and also be the secure fit that is spirally connected between described right sealing cover and the right support lid.Adopt said structure, set up left and right sealing cover, can effectively prevent introduced contaminants to enter.
The utility model also can further be set between described left and right piston and the Master cylinder body, and is provided with guide ring and O RunddichtringO between left and right limiting piston and the Master cylinder body.Adopt said structure, set up guide ring, be conducive to the guiding slippage of left and right piston and left and right limiting piston; Set up the O RunddichtringO, be conducive to further improve the sealing of Master cylinder body.
Description of drawings
Fig. 1 is the structural representation of the utility model initial position;
Fig. 2 is the structural representation in the utility model neutral position;
Fig. 3 is the structural representation of the utility model limit position.
Embodiment
Such as Fig. 1,2, provided a kind of segmentation controllable pneumatic final controlling element shown in 3, comprise Master cylinder body 1, the two ends, the left and right sides of described Master cylinder body 1 are fixed with respectively left end cap 2, right end cap 3, be provided with left piston 4 in the Master cylinder body 1, right piston 5 and a gear shaft 6, be equipped with the tooth bar 7 with described gear shaft 6 interlocks on described left piston 4 and the right piston 5, be provided with left limit piston 8 between left piston 4 and the left end cap 2, be provided with left limit pull bar 9 between left end cap 2 and the left limit piston 8, the inner of left limit pull bar 9 and left limit piston 8 are affixed, and the inner end of left limit pull bar 9 is passed left limit piston 8 and is fixed with left limit lid 10, the outer end of left limit pull bar 9 is arranged in the left end cap 2, and the end, outer end of left limit pull bar 9 is passed left end cap 2 and is bolted and fixed with left adjusting nut 11, be provided with right limit piston 12 between right piston 5 and the right end cap 3, be provided with right limit pull bar 13 between right end cap 3 and the right limit piston 12, the inner of right limit pull bar 13 and right limit piston 12 are affixed, and the inner end of right limit pull bar 13 is passed right limit piston 12 and is fixed with right limit lid 14, the outer end of right limit pull bar 13 is arranged in the right end cap 3, and the end, outer end of right limit pull bar 13 is passed right end cap 3 and is bolted and fixed with right adjusting nut 15, offer the first ventilating hole 16 on the chamber between described left piston 4 and the right piston 5, offer the second ventilating hole 17 on the chamber between left piston 4 and the left limit piston 8, offer the 3rd ventilating hole 18 on the chamber between right piston 5 and the right limit piston 12, offer four-way gas port 19 on the chamber between left limit piston 8 and the left end cap 2, offer five-way gas port 20 on the chamber between right limit piston 12 and the right end cap 3.Be provided with left axle sleeve 21 between described left limit pull bar 9 and the left end cap 2, inner outer peripheral surface and the left end cap 2 of described left axle sleeve 21 are spirally connected fixing, be bolted and fixed with left support lid 22 on the outer end outer peripheral surface of described left axle sleeve 21, be spirally connected in the described left support lid 22 and be provided with and consist of the spacing limit on the left adjusting nut 23 of butt with left adjusting nut 11, be provided with right axle sleeve 24 between described right limit pull bar 13 and the right end cap 3, inner outer peripheral surface and the right end cap 3 of described right axle sleeve 24 are spirally connected fixing, be bolted and fixed with right support lid 25 on the outer end outer peripheral surface of described right axle sleeve 24, being spirally connected in the described right support lid 25 is provided with and can consists of the spacing limit on the right-right-hand limit adjusting nut 26 of butt with right adjusting nut 15.Be equiped with left sealing cover 27 on the end, outer end of described left support lid 22, and be the secure fit that is spirally connected between described left sealing cover 27 and the left support lid 22, be equiped with right sealing cover 28 on the end, outer end of described right support lid 25, and also be the secure fit that is spirally connected between described right sealing cover 28 and the right support lid 25.Between described left piston 4, right piston 5 and the Master cylinder body 1, and be provided with guide ring 29 and O RunddichtringO 30 between left limit piston 8, right limit piston 12 and the Master cylinder body 1.
During use, people can control left limit pull bar 9 by the position that correspondence is regulated left adjusting nut 11 and stretch into length in the Master cylinder body 1, and the corresponding position of regulating right adjusting nut 15 is controlled right limit pull bar 13 and is stretched into length in the Master cylinder body 1, thereby the predeterminated position of control left limit piston 8 and right limit piston 12, and then make controlled valve can carry out the rate-of flow adjusting of predetermined angle, satisfy user's different usage requirements to controlled valve in the different operating field.
Claims (4)
1. segmentation controllable pneumatic final controlling element, comprise Master cylinder body, the two ends, the left and right sides of described Master cylinder body are fixed with respectively a left side, right end cap, be provided with a left side in the Master cylinder body, right piston and a gear shaft, a described left side, be equipped with the tooth bar with described gear shaft linkage on the right piston, it is characterized in that: be provided with the left limit piston between left piston and the left end cap, be provided with the left limit pull bar between left end cap and the left limit piston, the inner of left limit pull bar and left limit piston are affixed, and the inner end of left limit pull bar is passed the left limit piston and is fixed with the left limit lid, the outer end of left limit pull bar is arranged in the left end cap, and the end, outer end of left limit pull bar is passed left end cap and is bolted and fixed with left adjusting nut, be provided with the right limit piston between right piston and the right end cap, be provided with the right limit pull bar between right end cap and the right limit piston, the inner of right limit pull bar and right limit piston are affixed, and the inner end of right limit pull bar is passed the right limit piston and is fixed with the right limit lid, the outer end of right limit pull bar is arranged in the right end cap, and the end, outer end of right limit pull bar is passed right end cap and is bolted and fixed with right adjusting nut, offer the first ventilating hole on the chamber between described left piston and the right piston, offer the second ventilating hole on the chamber between left piston and the left limit piston, offer the 3rd ventilating hole on the chamber between right piston and the right limit piston, offer the four-way gas port on the chamber between left limit piston and the left end cap, offer the five-way gas port on the chamber between right limit piston and the right end cap.
2. segmentation controllable pneumatic final controlling element according to claim 1, it is characterized in that: be provided with left axle sleeve between described left limit pull bar and the left end cap, inner outer peripheral surface and the left end cap of described left axle sleeve are spirally connected fixing, be bolted and fixed with the left support lid on the outer end outer peripheral surface of described left axle sleeve, be spirally connected in the described left support lid and be provided with and consist of the spacing limit on the left adjusting nut of butt with left adjusting nut, be provided with right axle sleeve between described right limit pull bar and the right end cap, inner outer peripheral surface and the right end cap of described right axle sleeve are spirally connected fixing, be bolted and fixed with the right support lid on the outer end outer peripheral surface of described right axle sleeve, being spirally connected in the described right support lid is provided with and can consists of the spacing limit on the right-right-hand limit adjusting nut of butt with right adjusting nut.
3. segmentation controllable pneumatic final controlling element according to claim 2, it is characterized in that: be equiped with left sealing cover on the end, outer end of described left support lid, and be the secure fit that is spirally connected between described left sealing cover and the left support lid, be equiped with right sealing cover on the end, outer end of described right support lid, and also be the secure fit that is spirally connected between described right sealing cover and the right support lid.
4. segmentation controllable pneumatic final controlling element according to claim 1 is characterized in that: between described left and right piston and the Master cylinder body, and be provided with guide ring and O RunddichtringO between left and right limiting piston and the Master cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320285518 CN203258159U (en) | 2013-05-23 | 2013-05-23 | Sectional controllable pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320285518 CN203258159U (en) | 2013-05-23 | 2013-05-23 | Sectional controllable pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203258159U true CN203258159U (en) | 2013-10-30 |
Family
ID=49470722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320285518 Expired - Fee Related CN203258159U (en) | 2013-05-23 | 2013-05-23 | Sectional controllable pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203258159U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033646A (en) * | 2014-06-12 | 2014-09-10 | 浙江瑞工控制阀有限公司 | Split oscillating cylinder type pneumatic actuator |
| CN105257895A (en) * | 2015-10-10 | 2016-01-20 | 河南科技大学 | Butterfly valve and jetting device comprising same |
| CN107654718A (en) * | 2017-10-30 | 2018-02-02 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of two-part pneumatic valve group filling for big flow and packaging process |
-
2013
- 2013-05-23 CN CN 201320285518 patent/CN203258159U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033646A (en) * | 2014-06-12 | 2014-09-10 | 浙江瑞工控制阀有限公司 | Split oscillating cylinder type pneumatic actuator |
| CN105257895A (en) * | 2015-10-10 | 2016-01-20 | 河南科技大学 | Butterfly valve and jetting device comprising same |
| CN105257895B (en) * | 2015-10-10 | 2018-02-16 | 河南科技大学 | Butterfly valve and the injection apparatus using the butterfly valve |
| CN107654718A (en) * | 2017-10-30 | 2018-02-02 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of two-part pneumatic valve group filling for big flow and packaging process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |