CN116221448A - Liquid medicine valve for double pneumatic control slow release chemical and control method - Google Patents
Liquid medicine valve for double pneumatic control slow release chemical and control method Download PDFInfo
- Publication number
- CN116221448A CN116221448A CN202310255728.8A CN202310255728A CN116221448A CN 116221448 A CN116221448 A CN 116221448A CN 202310255728 A CN202310255728 A CN 202310255728A CN 116221448 A CN116221448 A CN 116221448A
- Authority
- CN
- China
- Prior art keywords
- valve
- block
- piston
- liquid medicine
- adjusting
- 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.)
- Pending
Links
- 239000003814 drug Substances 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 239000000126 substance Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 238000013270 controlled release Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 15
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention relates to the technical field of liquid medicine valves, and discloses a liquid medicine valve for double pneumatic control slow release chemicals, which comprises a valve pipe, wherein a bulge is fixedly arranged on the inner bottom wall of the valve pipe, a piston hole is formed in the top end of the valve pipe in a penetrating way, a piston is tightly and slidably arranged in the piston hole, and a valve clack is rotatably arranged on the inner wall of the valve pipe. According to the liquid medicine valve for the double pneumatic control slow release chemical medicine and the control method, the air bag, the valve hole and the pneumatic part which are arranged in the valve pipe are arranged, so that the abutting blocking state of the adjusting piston on the valve pipe can be adjusted, meanwhile, the adjusting block abutting extrusion block is arranged, the reset position of the piston pushed by the reset spring can be changed, the fluid pressure in the valve pipe can be adjusted, the extension length of the adjusting block can be conveniently changed through the arrangement of the fixing seat, the sliding sleeve and the rotating block, the pressure can be conveniently adjusted, and the adjusting adaptability of the device is improved.
Description
Technical Field
The invention relates to the technical field of liquid medicine valves, in particular to a liquid medicine valve for double pneumatic control slow release chemicals and a control method.
Background
The double pneumatic controlled slow release chemical has toxic and corrosive dangerous characteristics, and the chemical liquid valve is an important valve component for controlling the on-off of the chemical, and is applied to a process pipeline.
The liquid medicine valve and the control method for the double pneumatic controlled slow-release chemical medicine are provided for solving the problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the liquid medicine valve for the double pneumatic control slow release chemical medicine and the control method, which have the advantages of being capable of adjusting the retreating position of the valve core, enabling the pressure in the valve pipe to be adjusted and the like.
(II) technical scheme
In order to achieve the purpose of adjusting the valve core retreating position and the pressure in the valve pipe, the invention provides the following technical scheme: the liquid medicine valve for the double pneumatic controlled slow release chemical medicine comprises a valve pipe, wherein a bulge is fixedly arranged on the inner bottom wall of the valve pipe, a piston hole is formed in the top end of the valve pipe in a penetrating manner, a piston is tightly and slidably arranged in the piston hole, a valve clack is further rotatably arranged on the inner wall of the valve pipe, and an adjusting component is arranged outside the valve pipe;
the adjusting component comprises an installing plate fixedly installed on the outer wall of the valve pipe, an adjusting frame is welded at the top of the installing plate, an adjusting block is installed on one side face of the adjusting frame in a sliding mode, an extruding block is fixedly installed on the top end of the limiting block, the extruding block is attached to the adjusting block, a valve hole is formed in the top of the adjusting frame in a penetrating mode, and a pneumatic piece communicated with the valve hole is fixedly installed on the top end of the adjusting frame.
Preferably, the mounting plate is provided with a movable hole in a penetrating manner, and the piston is positioned in the movable hole.
Preferably, a groove is formed in the top wall of the valve tube, the diameters of the groove and the movable hole are the same, the groove is communicated with the piston hole, a limiting block is fixedly arranged on the top end of the piston, and a reset spring is fixedly arranged between the limiting block and the inner wall of the groove.
Preferably, the adjusting block faces one end of the extrusion block, two sides of the extrusion block and the inner wall of the adjusting frame are inclined planes, and all inclined planes are consistent in inclination angle.
Preferably, a fixing seat is fixedly arranged at the top of the valve pipe, a slide way is arranged on one side face of the fixing seat facing the adjusting block, a sliding sleeve is slidably arranged in the slide way, and a rotating block which is in threaded connection with the sliding sleeve is rotatably arranged on the fixing seat.
Preferably, the limiting groove is formed in the inner side wall of the slide way, a limiting strip is fixedly mounted on the outer wall of the sliding sleeve, and the limiting strip is slidably connected to the limiting groove.
Preferably, the valve clack is located outside the piston hole and corresponds to the protrusion.
The liquid medicine valve control method for the double pneumatic control slow release chemical medicine comprises any structure as claimed in claims 1-7, wherein a driving element is used for connecting a rotating block, so that the rotating block rotates, a sliding sleeve is pulled by threads of the rotating block and slides along the inside of a slide way under the rotation of the rotating block, the sliding sleeve slides along the slide way and simultaneously extrudes an adjusting block, the adjusting block is forced to slide and extend towards the inside of an adjusting frame, the adjusting block extends towards the inside of the adjusting frame and pushes the extruding block to slide towards the direction of a valve pipe under the butt of an inclined plane, a piston fixedly connected with the extruding block penetrates into the valve pipe and extrudes a valve clack to open, the internal circulation surface of the valve pipe is reduced, and the fluid pressure in a pipeline is improved.
(III) beneficial effects
Compared with the prior art, the invention provides the liquid medicine valve for the double pneumatic control slow release chemical medicine and the control method, which have the following beneficial effects:
according to the liquid medicine valve for the double pneumatic control slow release chemical medicine and the control method, the air bag, the valve hole and the pneumatic part which are arranged in the valve pipe are arranged, so that the abutting blocking state of the adjusting piston on the valve pipe can be adjusted, meanwhile, the adjusting block abutting extrusion block is arranged, the reset position of the piston pushed by the reset spring can be changed, the fluid pressure in the valve pipe can be adjusted, the extension length of the adjusting block can be conveniently changed through the arrangement of the fixing seat, the sliding sleeve and the rotating block, the pressure can be conveniently adjusted, and the adjusting adaptability of the device is improved.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a liquid medicine valve for double pneumatic controlled slow release chemicals and a control method according to the present invention;
FIG. 2 is a longitudinal cross-sectional view of a fixing seat of a liquid medicine valve for double pneumatic control slow release chemicals and a control method thereof;
fig. 3 is a top view of a mounting plate of a liquid medicine valve for double pneumatic controlled slow release chemicals and a control method according to the present invention.
In the figure: 1. a valve tube; 2. a protrusion; 3. a valve flap; 4. a piston bore; 5. a piston; 6. a limiting block; 7. a groove; 8. a return spring; 9. a mounting plate; 10. a movable hole; 11. an adjusting frame; 12. an adjusting block; 13. extruding a block; 14. a valve hole; 15. an air bag; 16. a pneumatic member; 17. a fixing seat; 18. a slideway; 19. a sliding sleeve; 20. a rotating block; 21. a limit bar; 22. and a limit groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the liquid medicine valve for double pneumatic controlled slow release chemicals comprises a valve tube 1, wherein a protrusion 2 is fixedly arranged on the inner bottom wall of the valve tube 1, a piston hole 4 is formed in the top end of the valve tube 1 in a penetrating manner, a piston 5 is tightly slidably arranged in the piston hole 4, a valve clack 3 is rotatably arranged on the inner wall of the valve tube 1, the valve clack 3 is positioned on the outer side of the piston hole 4 and corresponds to the protrusion 2, and the valve clack 3 can be jacked up by the piston 5 to be abutted against the protrusion 2 to complete the blocking of the liquid medicine valve.
It should be noted that, the protrusion 2, the valve clack 3 and the piston 5 are all structures of the pharmaceutical valve in the prior art, and will not be described in detail below.
In this embodiment, the outside of valve pipe 1 is provided with adjusting part, and adjusting part includes mounting panel 9 of fixed mounting on valve pipe 1 outer wall, has run through on the mounting panel 9 and has offered movable hole 10, and piston 5 is located the inside of movable hole 10, can provide piston 5 through the space of activity in mounting panel 9 of movable hole 10.
Wherein, offered recess 7 on the roof of valve pipe 1, the diameter of recess 7 and movable hole 10 is the same, and recess 7 communicates in piston hole 4, and fixed mounting has stopper 6 on the top of piston 5, and fixed mounting has reset spring 8 between the inner wall of stopper 6 and recess 7, and reset spring 8 promotes piston 5 to realize the unblock reset towards the direction of keeping away from valve pipe 1.
In this embodiment, an adjusting frame 11 is welded on the top of the mounting plate 9, an adjusting block 12 is slidably mounted on one side surface of the adjusting frame 11, an extruding block 13 is fixedly mounted on the top end of the limiting block 6, and the extruding block 13 is attached to the adjusting block 12.
It will be appreciated that the adjusting block 12 faces one end of the extrusion block 13, both sides of the extrusion block 13 and the inner wall of the adjusting frame 11 are inclined planes, and all inclined planes are consistent in inclination angle, so that the adjusting block 12 can adjust the position of the extrusion block 13 inside the adjusting frame 11 under extrusion, thereby adjusting the position of the piston 5 extending to the inside of the valve tube 1.
Further, the top of the adjusting frame 11 is provided with a valve hole 14 in a penetrating manner, a pneumatic piece 16 communicated with the valve hole 14 is fixedly arranged at the top end of the adjusting frame 11, a common pneumatic driving element can be selected for the pneumatic piece 16 to complete air supply, an air bag 15 abutting against the extrusion block 13 is fixedly arranged on the inner top wall of the adjusting frame 11, and the air bag 15 can be inflated through the pneumatic piece 16, so that the air bag 15 pushes the piston 5 to complete locking.
In order to facilitate the adjustment of the contact locking position of the piston 5, a fixed seat 17 is fixedly arranged at the top of the valve tube 1, a slide way 18 is arranged on one side surface of the fixed seat 17 facing the adjusting block 12, a sliding sleeve 19 is slidably arranged in the slide way 18, a rotating block 20 which is in threaded connection with the sliding sleeve 19 is rotatably arranged on the fixed seat 17, and the extending position of the sliding sleeve 19 in the fixed seat 17 can be adjusted by rotating the rotating block 20.
It should be noted that, the inner side wall of the slide way 18 is provided with a limit groove 22, the outer wall of the slide sleeve 19 is fixedly provided with a limit bar 21, the limit bar 21 is slidably connected to the limit groove 22, and the slide sleeve 19 can be limited relative to the fixed seat 17 by the relative sliding and abutting connection between the limit groove 22 and the limit bar 21.
The liquid medicine valve control method for the double pneumatic control slow release chemical comprises the following steps: through adopting the actuating element to connect the turning block 20 for the turning block 20 takes place the rotation, under the turning block 20 rotation, make sliding sleeve 19 receive the screw traction of turning block 20, and slide along slide 18 inside, sliding sleeve 19 extrudees regulating block 12 along slide 18 gliding while, and force regulating block 12 to slide towards the inside of regulating frame 11 and extend, regulating block 12 extends towards regulating frame 11 inside and promotes extrusion 13 to slide towards valve pipe 1's direction under the inclined plane butt, make fixed connection in piston 5 of extrusion 13 run through to valve pipe 1 inside and extrude valve clack 3 and open, make the inside circulation face of valve pipe 1 narrow, improve the pipeline fluid pressure.
When the valve tube 1 is required to be opened, the starting piece 16 is controlled to release pressure, the piston 5 is led to exit to the inside of the valve tube 1 under the pushing of the elastic force of the reset spring 7, and the piston 5 is lifted to the inside of the adjusting frame 11 until the extrusion block 13 is abutted to the adjusting block 12 or the inner top wall of the adjusting frame 11, so that the air bag 15 is inflated through the valve hole 14, the air bag 15 is inflated after the air bag 15 is inflated, the extrusion block 13 and the piston 5 are pushed to move towards the inside of the valve tube 1, and the piston 5 is abutted to the valve flap 3 to be abutted to the protrusion 2, and the valve tube 1 is completely closed.
In summary, the liquid medicine valve for the double pneumatic controlled slow release chemical and the control method thereof are characterized in that the driving element is adopted to connect the rotating block 20, so that the rotating block 20 rotates, the sliding sleeve 19 is pulled by the threads of the rotating block 20 and slides along the inside of the sliding way 18 under the rotation of the rotating block 20, the sliding sleeve 19 slides along the sliding way 18 and simultaneously presses the regulating block 12, the regulating block 12 is forced to slide and extend towards the inside of the regulating frame 11, the regulating block 12 extends towards the inside of the regulating frame 11 and pushes the extruding block 13 to slide towards the direction of the valve pipe 1 under the butt of the inclined plane, the piston 5 fixedly connected with the extruding block 13 penetrates into the valve pipe 1 and extrudes the valve clack 3 to open, the inner flow surface of the valve pipe 1 is reduced, and the fluid pressure in a pipeline is improved.
And, through driving pneumatic piece 16, make pneumatic piece 16 aerify gasbag 15 through valve hole 14, gasbag 15 is inflated after aerifing, and promote extrusion piece 13 and piston towards the inside activity of valve pipe 1, piston butt valve plate 3 opens completely to butt in protruding 2, valve pipe 1 at this moment accomplishes the closure, when needs control valve pipe 1 opens, through controlling pneumatic piece 16 pressure release, under reset spring 8's elasticity promotion, make piston 5 withdraw from to the inside of valve pipe 1, and lift to extrusion piece 13 butt in regulating block 12 or regulating frame 11 inner roof in regulating frame 11 inside.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a liquid medicine valve for double pneumatic control slow release chemicals, includes valve pipe (1), its characterized in that: the valve tube is characterized in that a bulge (2) is fixedly arranged on the inner bottom wall of the valve tube (1), a piston hole (4) is formed in the top end of the valve tube (1) in a penetrating manner, a piston (5) is tightly and slidably arranged in the piston hole (4), a valve clack (3) is further rotatably arranged on the inner wall of the valve tube (1), and an adjusting assembly is arranged outside the valve tube (1);
the adjusting component comprises an installing plate (9) fixedly installed on the outer wall of the valve pipe (1), an adjusting frame (11) is welded at the top of the installing plate (9), an adjusting block (12) is installed on one side face of the adjusting frame (11) in a sliding mode, an extruding block (13) is fixedly installed on the top end of the limiting block (6), the extruding block (13) is attached to the adjusting block (12), a valve hole (14) is formed in the top of the adjusting frame (11) in a penetrating mode, and a pneumatic piece (16) communicated with the valve hole (14) is fixedly installed on the top end of the adjusting frame (11).
2. The liquid medicine valve for double pneumatic controlled slow release chemicals according to claim 1, wherein: the mounting plate (9) is provided with a movable hole (10) in a penetrating mode, and the piston (5) is located in the movable hole (10).
3. The liquid medicine valve for double pneumatic controlled slow release chemicals according to claim 2, characterized in that: the top wall of the valve tube (1) is provided with a groove (7), the diameters of the groove (7) and the movable hole (10) are the same, the groove (7) is communicated with the piston hole (4), a limiting block (6) is fixedly arranged on the top end of the piston (5), and a reset spring (8) is fixedly arranged between the limiting block (6) and the inner wall of the groove (7).
4. The liquid medicine valve for double pneumatic controlled slow release chemicals according to claim 1, wherein: the adjusting block (12) faces one end of the extruding block (13), two sides of the extruding block (13) and the inner wall of the adjusting frame (11) are inclined planes, and the inclination angles of all inclined planes are consistent.
5. The liquid medicine valve for double pneumatic controlled slow release chemicals according to claim 1, wherein: the top fixed mounting of valve pipe (1) has fixing base (17), fixing base (17) orientation offer slide (18) on the side of regulating block (12), the inside slidable mounting of slide (18) has sliding sleeve (19), install in rotation on fixing base (17) threaded connection in rotating block (20) of sliding sleeve (19).
6. The liquid medicine valve for double pneumatic controlled release chemicals according to claim 5, wherein: the sliding sleeve is characterized in that a limiting groove (22) is formed in the inner side wall of the sliding rail (18), a limiting strip (21) is fixedly mounted on the outer wall of the sliding sleeve (19), and the limiting strip (21) is slidably connected with the limiting groove (22).
7. The liquid medicine valve for double pneumatic controlled slow release chemicals according to claim 1, wherein: the valve clack (3) is positioned outside the piston hole (4), and the valve clack (3) corresponds to the protrusion (2).
8. The liquid medicine valve control method for the double pneumatic control slow release chemical is characterized by comprising the following steps of: comprising any of the structures of claims 1-7, wherein the rotating block (20) is connected by adopting a driving element, so that the rotating block (20) rotates, the sliding sleeve (19) is pulled by threads of the rotating block (20) and slides along the inside of the slideway (18) under the rotation of the rotating block (20), the sliding sleeve (19) slides along the slideway (18) and simultaneously presses the regulating block (12) to force the regulating block (12) to slide and extend towards the inside of the regulating frame (11), the regulating block (12) extends towards the inside of the regulating frame (11) and pushes the extruding block (13) to slide towards the valve pipe (1) under the abutting of an inclined plane, so that the piston (5) fixedly connected with the extruding block (13) penetrates into the valve pipe (1) and presses the valve clack (3) to open, the flow surface inside the valve pipe (1) is contracted, and the pressure of the fluid in the pipe is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310255728.8A CN116221448A (en) | 2023-03-16 | 2023-03-16 | Liquid medicine valve for double pneumatic control slow release chemical and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310255728.8A CN116221448A (en) | 2023-03-16 | 2023-03-16 | Liquid medicine valve for double pneumatic control slow release chemical and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116221448A true CN116221448A (en) | 2023-06-06 |
Family
ID=86591032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310255728.8A Pending CN116221448A (en) | 2023-03-16 | 2023-03-16 | Liquid medicine valve for double pneumatic control slow release chemical and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116221448A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231757A (en) * | 2023-11-08 | 2023-12-15 | 新乡市原隆航空设备有限公司 | High-temperature-resistant zero-leakage electromagnetic valve and use method thereof |
-
2023
- 2023-03-16 CN CN202310255728.8A patent/CN116221448A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117231757A (en) * | 2023-11-08 | 2023-12-15 | 新乡市原隆航空设备有限公司 | High-temperature-resistant zero-leakage electromagnetic valve and use method thereof |
| CN117231757B (en) * | 2023-11-08 | 2024-01-26 | 新乡市原隆航空设备有限公司 | High-temperature-resistant zero-leakage electromagnetic valve and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116221448A (en) | Liquid medicine valve for double pneumatic control slow release chemical and control method | |
| US7464723B2 (en) | Non-return valve | |
| US4671485A (en) | Solenoid-operated pilot valve with adjustable flow control | |
| US7070066B2 (en) | Liquid dispensing valve and method with improved stroke length calibration and fluid fittings | |
| CA2618693A1 (en) | Convertible seal | |
| DE102008010249B4 (en) | drive device | |
| EP2075398B1 (en) | Drive to operate the leaf of a door or window | |
| EP2809977B1 (en) | Manual overrides for valves | |
| CN105178753A (en) | Damped Hinge | |
| DE60220472T2 (en) | Thermal relaxation valve | |
| CN220378935U (en) | Liquid medicine valve for double pneumatic control slow release chemical | |
| US20160091111A1 (en) | Lock Device and Valve Device | |
| CN205715945U (en) | Piston actuater and for its actuator and adjustment screw guide assembly | |
| US20100102261A1 (en) | Microfluidic valve mechanism | |
| US6490905B1 (en) | Spin pull module for threaded inserts | |
| US20090288916A1 (en) | Auxiliary Lubrication Unit for Lubricant Introduction Devices | |
| CN114857342A (en) | Axial-flow type automatic control valve | |
| US6662828B1 (en) | Telescoping filling head | |
| KR102163300B1 (en) | Expandable type of vacuum gate valve | |
| CN113756958B (en) | Anti-jamming float valve and control method thereof | |
| DE4107382A1 (en) | Gas spring for car body installations - has radially resilient holding clamps with moulded area to engage in fixed component | |
| US11293516B2 (en) | Hydraulic damper | |
| CN206280508U (en) | Selector valve | |
| CN109404358B (en) | Control valve | |
| CN220182770U (en) | Automatic alignment oil filling riser with oil gas recovery function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |