CN204852546U - Take two effect formula pneumatic ball valve of manual control - Google Patents
Take two effect formula pneumatic ball valve of manual control Download PDFInfo
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- CN204852546U CN204852546U CN201520533356.1U CN201520533356U CN204852546U CN 204852546 U CN204852546 U CN 204852546U CN 201520533356 U CN201520533356 U CN 201520533356U CN 204852546 U CN204852546 U CN 204852546U
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Abstract
The utility model provides a take two effect formula pneumatic ball valve of manual control, the ball valve of being connected including actuating mechanism, with actuating mechanism, actuating mechanism including the pneumatic mechanism who carries out the cylinder, is connected with the execution cylinder, its characterized in that: pneumatic mechanism include that first trachea, second trachea, locator, firsthand change the valve, the second -hand changes valve, middle trachea, air pump, the execution cylinder is connected with the locator through first trachea, second trachea respectively, it changes valve and second -hand and changes the valve to be provided with firsthand on first trachea and the second trachea respectively, firsthand changes the valve and is used for pneumatic mechanism's manual control and automatic control's mode switch, the second -hand changes the action that the valve is used for execution cylinder under the manual control mode, firsthand commentaries on classics valve changes the valve with the second -hand and is connected through middle trachea, the locator corresponds the first port that be that firsthand changes the valve, and what correspond that the second -hand changes the valve is the second port, and the locator other end is connected with air pump, control system, feedback pole respectively.
Description
Technical field
The utility model relates to a kind of pneumatic ball valve, especially a kind of double-acting type pneumatic ball valve with Non-follow control.
Background technique
Single-acting cylinder formula actuator is for there being spring type, and have a Returnning spring in cylinder, one end air inlet makes piston movement, and after losing gas, the rebounding force of Returnning spring makes piston reset.The advantage of single-acting cylinder formula actuator is the reset function of Returnning spring, spool can be made automatically to close or open, ensure that the safety of production system.The shortcoming of single-acting cylinder formula actuator is that one end of cylinder and air communicate, and and air carry out gas exchanges, enter in cylinder easily to produce containing dust or corrosive gas and scratch or corrosion phenomenon, affect its working life.And the thrust produced after spring reset is very little, spool can not be made to resist large pressure reduction, so only can be used in the occasion of low voltage difference.
Double-acting cylinder formula actuator is without spring type, does not have spring in cylinder, and cylinder two ends all can air inlet, by the change of tolerance in the upper and lower two-part air cavity of piston in cylinder, promotes piston up-down.The advantage of double-acting cylinder formula actuator is High power output, can resist large pressure reduction.Cylinder upper and lower part receives pure pressurized air simultaneously, never corrodes, long service life.The shortcoming of double-acting cylinder formula actuator is because do not have Returnning spring, during air failure, piston can not automatically reset to upper or the next, also spool namely can not be made automatically to open or close, the safety of production system can not be ensured, therefore have impact on its using scope.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of double-acting type pneumatic ball valve with Non-follow control, can realize Non-follow control and automatically control ventilation, ensure the automatic opening-closing of ball valve or manual opening and closing, ensure the safety of production system.
The technical solution of the utility model is: the double-acting type pneumatic ball valve of band Non-follow control, comprise actuator, the ball valve be connected with actuator, described actuator comprises execution cylinder, the pneumatic mechanism be connected with execution cylinder, it is characterized in that: described pneumatic mechanism comprises the first tracheae, second tracheae, positioning work piece, first-hand rotary valve, second-hand's rotary valve, middle gas tube, air pump, described execution cylinder is respectively by the first tracheae, second tracheae is connected with positioning work piece, first tracheae and the second tracheae are respectively arranged with first-hand rotary valve and second-hand's rotary valve, the Non-follow control that first-hand rotary valve is used for pneumatic mechanism switches with the pattern automatically controlled, second-hand's rotary valve performs the action of cylinder under being used for MANUAL CONTROL mode, first-hand rotary valve is connected by middle gas tube with second-hand's rotary valve, the corresponding first-hand rotary valve of positioning work piece be the first port, corresponding second-hand's rotary valve be the second port, the positioning work piece the other end is connected with air pump, control system, feedback rod respectively.
Filtration pressure regulator valve is also provided with between described air pump and positioning work piece.
Described execution cylinder comprises cylinder body, left end cap, right end cap, the left piston be placed in cylinder body, right piston, tooth axle, tooth axle and left and right piston with tooth bar be meshed, cylinder body is provided with the first tracheae, the second tracheae, the internal port of described first tracheae is between left and right piston, the second described tracheae is connected with left and right end cap, and ball valve is connected with tooth axle.
The beneficial effects of the utility model are: the tooth axle adopting Non-follow control and the two kinds of patterns automatically controlled to control to perform cylinder rotates, and then controls the opening and closing of ball valve, is conducive to ball valve and uses flexibly under different conditions; Adopt two hand rotary valves, connected by middle gas tube between hand rotary valve, cooperatively interact, for controlling manual, automatic mode switching, for controlling the opening and closing of ball valve, installing simple, controlling easy, be conducive to reducing costs for one for one.
Accompanying drawing explanation
Fig. 1 is the double-acting type pneumatic ball valve schematic diagram of band Manual control structure of the present utility model;
Fig. 2 is actuator of the present utility model structural representation
In figure, 100-actuator, 200-ball valve, 1-execution cylinder, 2-pneumatic mechanism, 3-first tracheae, 4-second tracheae, 5-positioning work piece, the first-hand rotary valve of 6-, 7-second-hand's rotary valve, 8-middle gas tube, 9-first port, 10-second port, 11-air pump, 12-control system, 13-feedback rod, 14-filter pressure regulator valve, 15-cylinder body, 16-left end cap, 17-right end cap, 18-left piston, the right piston of 19-, 20-tooth axle, 21-tooth bar.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As Fig. 1, shown in 2, with the double-acting type pneumatic ball valve 200 of Non-follow control, comprise actuator 100, the ball valve 200 be connected with actuator 100, described actuator 100 comprises execution cylinder 1, the pneumatic mechanism 2 be connected with execution cylinder 1, described pneumatic mechanism 2 comprises the first tracheae 3, second tracheae 4, positioning work piece 5, first-hand rotary valve 6, second-hand's rotary valve 7, middle gas tube 8, air pump 11, described execution cylinder 1 is respectively by the first tracheae 3, second tracheae 4 is connected with positioning work piece 5, first tracheae 3 and the second tracheae 4 are respectively arranged with first-hand rotary valve 6 and second-hand's rotary valve 7, first-hand rotary valve 6 switches with the pattern automatically controlled for the Non-follow control of pneumatic mechanism 2, second-hand's rotary valve 7 is for performing the action of cylinder 1 under MANUAL CONTROL mode, first-hand rotary valve 6 is connected by middle gas tube 8 with second-hand's rotary valve 7, the corresponding first-hand rotary valve 6 of positioning work piece 5 be the first port 9, corresponding second-hand's rotary valve 7 be the second port one 0, positioning work piece 5 the other end is connected with air pump 11, control system 12, feedback rod 13 respectively.
Also be provided with between described air pump 11 and positioning work piece 5 and filter pressure regulator valve 14.
Described execution cylinder 1 comprises cylinder body 15, left end cap 16, right end cap 17, the left piston 18 be placed in cylinder body 15, right piston 19, tooth axle 20, tooth axle 20 and left and right piston (18,19) with tooth bar 21 be meshed, cylinder body 15 is provided with the first tracheae 3, second tracheae 4, the internal port of described first tracheae 3 is positioned between left and right piston (18,19), the second described tracheae 4 is connected with left and right end cap (16,17), and ball valve 200 is connected with tooth axle 20.
Working principle: be automatic control mode under first-hand rotary valve 6 normality, i.e. the first port 9 conducting of the first tracheae 3 and positioning work piece 5, air pump 11 by the first tracheae 3 and positioning work piece 5 to the gas inputing or outputing setting flow between the left and right piston (18,19) performing cylinder 1, second-hand's rotary valve 7 normality is the second port one 0 conducting making the second tracheae 4 and positioning work piece 5, air pump 11 inputs or outputs the gas of setting flow by the second tracheae 4 and positioning work piece 5 to left and right end cap (16, the 17) region performing cylinder 1, and then controls the opening and closing of ball valve 200.
First-hand rotary valve 6 is arranged on MANUAL CONTROL mode, namely the first port 9 of positioning work piece 5 closes, first tracheae 3 is communicated with middle gas tube 8 by first-hand rotary valve 6, when second-hand's rotary valve 7 is in the normal state position, middle gas tube 8 and extraneous conducting, second port one 0 conducting of the second tracheae 4 and positioning work piece 5, left and right piston 19 inwardly moves; When second-hand's rotary valve 7 is in abnormal position, middle gas tube 8 and the second port one 0 conducting, the second tracheae 4 and extraneous conducting, left and right piston 19 outwards moves, and then controls the opening and closing of ball valve 200.
What describe in above-described embodiment and specification just illustrates principle of the present utility model and most preferred embodiment; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.
Claims (3)
1. be with the double-acting type pneumatic ball valve of Non-follow control, comprise actuator, the ball valve be connected with actuator, described actuator comprises execution cylinder, the pneumatic mechanism be connected with execution cylinder, it is characterized in that: described pneumatic mechanism comprises the first tracheae, second tracheae, positioning work piece, first-hand rotary valve, second-hand's rotary valve, middle gas tube, air pump, described execution cylinder is respectively by the first tracheae, second tracheae is connected with positioning work piece, first tracheae and the second tracheae are respectively arranged with first-hand rotary valve and second-hand's rotary valve, the Non-follow control that first-hand rotary valve is used for pneumatic mechanism switches with the pattern automatically controlled, second-hand's rotary valve performs the action of cylinder under being used for MANUAL CONTROL mode, first-hand rotary valve is connected by middle gas tube with second-hand's rotary valve, the corresponding first-hand rotary valve of positioning work piece be the first port, corresponding second-hand's rotary valve be the second port, the positioning work piece the other end is connected with air pump, control system, feedback rod respectively.
2. the double-acting type pneumatic ball valve of band Non-follow control according to claim 1, is characterized in that: be also provided with filtration pressure regulator valve between described air pump and positioning work piece.
3. the double-acting type pneumatic ball valve of band Non-follow control according to claim 1, it is characterized in that: described execution cylinder comprises cylinder body, left end cap, right end cap, the left piston be placed in cylinder body, right piston, tooth axle, tooth axle and left and right piston with tooth bar be meshed, cylinder body is provided with the first tracheae, the second tracheae, the internal port of described first tracheae is between left and right piston, the second described tracheae is connected with left and right end cap, and ball valve is connected with tooth axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533356.1U CN204852546U (en) | 2015-07-22 | 2015-07-22 | Take two effect formula pneumatic ball valve of manual control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533356.1U CN204852546U (en) | 2015-07-22 | 2015-07-22 | Take two effect formula pneumatic ball valve of manual control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852546U true CN204852546U (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520533356.1U Expired - Fee Related CN204852546U (en) | 2015-07-22 | 2015-07-22 | Take two effect formula pneumatic ball valve of manual control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575587A (en) * | 2017-09-06 | 2018-01-12 | 永嘉县新然阀门有限公司 | Dust butterfly valve |
-
2015
- 2015-07-22 CN CN201520533356.1U patent/CN204852546U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575587A (en) * | 2017-09-06 | 2018-01-12 | 永嘉县新然阀门有限公司 | Dust butterfly valve |
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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: 20151209 Termination date: 20180722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |