CN203718102U - Conveying pipeline valve actuator utilizing internal pressure of conveying pipeline as power - Google Patents
Conveying pipeline valve actuator utilizing internal pressure of conveying pipeline as power Download PDFInfo
- Publication number
- CN203718102U CN203718102U CN201320880961.7U CN201320880961U CN203718102U CN 203718102 U CN203718102 U CN 203718102U CN 201320880961 U CN201320880961 U CN 201320880961U CN 203718102 U CN203718102 U CN 203718102U
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- China
- Prior art keywords
- piston
- main
- transfer line
- valve
- cylinder body
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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.)
- Withdrawn - After Issue
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- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a conveying pipeline valve actuator utilizing the internal pressure of a conveying pipeline as power. The conveying pipeline valve actuator comprises a cylinder body and a cylinder cover covering the cylinder body. A main piston, an auxiliary piston, a main storage room and an auxiliary room are arranged in the cylinder body. A main shaft is connected into the main piston in a screwing mode. A main spring and an auxiliary spring are arranged in the cylinder cover. The auxiliary piston is provided with a piston hole and arranged on a piston rod at the upper end of the main piston in a sleeved mode through the piston hole. The lower end of the main spring abuts against the piston rod of the main piston. The lower end of the auxiliary spring abuts against the auxiliary piston. The main storage room is formed by enclosing the upper portion of the main piston, the lower portion of the auxiliary piston and the inner wall of the cylinder body. The auxiliary storage room is formed by enclosing the lower portion of the main piston, the inner wall of the cylinder body and the inner bottom of the cylinder body. A connecting pipeline and a fireproof pipeline are arranged between the main storage room and the auxiliary storage room. The connecting pipeline is provided with a first fluid control valve. The fireproof pipeline is provided with a fireproof induction valve. One side of the cylinder body of the auxiliary storage room is provided with an inlet pipeline. The inlet pipeline is provided with a second fluid control valve. The conveying pipeline valve actuator has the advantages of being long in service time, convenient to install and high in economic benefit, and has the good fireproof effect.
Description
Technical field
The utility model belongs to valve field, and specifically a kind of transfer line internal pressure of utilizing is as the transfer line valve actuator of power.
Background technique
Mostly valve opening and closing final controlling element power source used used on existing transfer line is to adopt electricity or air pressure and hydraulic pressure substantially, and how by the external world, to be supplied with.When adopting air pressure to open and close, not only need extraneously to supply with its source of the gas, and during source of the gas discharge, gas is just directly emitted near air final controlling element, befouling environment.When adopting hydraulic switch, that just bothers, and it not only needs extraneous its hydraulic power of supplying with, and also need to a return tube, otherwise it also just cannot discharge.When adopting electronic keying, during due to other faults such as power supplys, hold fire hazardous, the final controlling element of this electronic keying cannot adopt in Craft in Chemical Industrial Area.So the existing valve opening and closing final controlling element in use has on pipeline, use and have problems.
Model utility content
The purpose of this utility model is to propose a kind of transfer line internal pressure of utilizing as the transfer line valve actuator of power.
To be solved in the utility model be existing valve opening and closing final controlling element with power source, produce problem.
For realizing the purpose of this utility model, the utility model adopts following technological scheme:
The utility model comprises the cylinder cap on cylinder body, lid and cylinder body.In cylinder body, be provided with main piston, sub-piston, main apotheca and secondary apotheca, in main piston, be connected with main shaft, in cylinder cap, be provided with main spring and auxiliary spring; Sub-piston is provided with consent, and sub-piston is connected on the piston rod of main piston upper end by this sleeve of jack; Main spring lower end peaks on the piston rod of main piston, and auxiliary spring lower end peaks on sub-piston; Main apotheca is surrounded by main piston top, sub-piston bottom and inboard wall of cylinder block, secondary apotheca was surrounded by the end in main piston bottom, inboard wall of cylinder block and cylinder body, between main apotheca and secondary apotheca, be provided with connecting tube and fire protect duct, connecting tube is provided with first fluid control valve, and fire protect duct is provided with fire prevention Inductance valve; Cylinder body one side of secondary apotheca is provided with inlet pipeline, and inlet pipeline is provided with second fluid control valve.
Main piston central authorities are provided with axis hole, and axis hole wall is provided with internal thread, and main shaft is provided with outside thread, and the external thread rotary of main shaft is on main piston internal thread.
The outlet end of connecting tube and the outlet end of fire protect duct are communicated with outlet conduit respectively, and outlet conduit is provided with one-way valve.In cylinder body, be provided with the limited step of sub-piston.Cylinder cap is provided with bearing, and main shaft upper end is positioned at bearing.First fluid control valve is solenoid valve or manually operated valve; Second fluid control valve is also solenoid valve or manually operated valve.The piston rod part of piston is provided with spring bearer plate.
The utility model compared with prior art, has solved the problem of final controlling element power source effectively, has service time long, and the easy for installation and high advantage of economic benefit also has good fire prevention effect fruit simultaneously.
Accompanying drawing explanation
Fig. 1 the utility model open position (main spring and auxiliary spring raised state).
One of Fig. 2 the utility model closed position (shifting state under main spring, auxiliary spring does not move down).
Two (shifting states under main spring, auxiliary spring moves down) of Fig. 3 the utility model closed position.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is further described.
As shown in the figure, the utility model it comprise the cylinder cap 1 on cylinder body 8, lid and cylinder body 8.In cylinder body 8, be provided with main piston 6, sub-piston 4, main apotheca 5 and secondary apotheca 7.In main piston 6, be connected with main shaft 20, in cylinder cap 1, be provided with main spring 2 and auxiliary spring 3.Sub-piston 4 is provided with consent, and sub-piston 4 is connected on the piston rod 21 of main piston upper end by this sleeve of jack.Main spring 2 lower ends peak on the spring bearer plate 22 of main piston piston rod.Auxiliary spring 3 lower ends peak on sub-piston 4.Main apotheca 5 is surrounded by main piston 6 tops, sub-piston 4 bottoms and cylinder body 8 inwalls.Secondary apotheca 7 was surrounded by main piston 6 bottoms, cylinder body 8 inwalls and the interior end of cylinder body 8.Between main apotheca 5 and secondary apotheca 7, be provided with connecting tube 18 and fire protect duct 15, connecting tube 18 is provided with first fluid control valve 17, this first fluid control valve 17 solenoid valves or manually operated valve, and fire protect duct 15 is provided with fire prevention Inductance valve 16.Cylinder body one side of secondary apotheca 7 is provided with inlet pipeline 9.Inlet pipeline 9 is provided with second fluid control valve 10, and second fluid control valve 10 is solenoid valve or manually operated valve.
Main piston 6 central authorities are provided with axis hole, and axis hole wall is provided with internal thread, and main shaft 20 is provided with outside thread, and the external thread rotary of main shaft 20 is on main piston 6 internal threads.The outlet end of the outlet end of connecting tube 18 and fire protect duct 15 is communicated with outlet conduit 14 respectively, and outlet conduit 14 is provided with one-way valve 13.In cylinder body 8, be provided with the limited step 19 of sub-piston.Cylinder cap 1 is provided with bearing 23, and main shaft 20 upper ends are positioned at bearing 23.Main shaft 20 lower ends are established with the valve rod of valve and are connected.
Working principle of the present utility model is:
Valve opening: on inlet pipeline 9 second fluid control valve 10(one-way valve) open after, from the upstream line 11 pressure promotion main pistons 6 of cylinder body inlet input, to main apotheca 5, move, and make main spring 2 pressurizeds, after main apotheca 5 pressurizeds, the pressure of main apotheca 5 promotes again sub-piston 4 and moves and make auxiliary spring 3 pressurizeds to auxiliary spring 3.Along with moving on main piston 6, be threaded onto main shaft 20 on main piston 6 and constantly rotarily drive valve rod and rotate, and then Open valve gradually, until main shaft 20 90-degree rotations are opened valve completely.
Valve closing: owing to being provided with connecting tube 18 between main apotheca 5 and secondary apotheca 7, and this connecting tube 18 is provided with solenoid valve or manually operated valve; When opening manually operated valve or solenoid valve, main apotheca 5 and secondary apotheca 7 are communicated with, and at this moment the pressure between main apotheca 5 and secondary apotheca 7 reaches balance.Main spring 2 is because the original upper thrust being subject to disappears, just, push away spring bottom plate 4, spring bottom plate 4 drives the piston rod 21 of main piston 6 to move down, main piston 6 moves to secondary apotheca 7 thereupon, secondary apotheca 7 volumes are along with main piston 6 moves down and diminishes, and along with main piston 6 moves down, the main shaft 20 being threaded onto on main piston oppositely moves, main shaft 20 oppositely constantly rotates and the rotation of band ovable valve stem, and just valve closes valve gradually.When main shaft 20 90-degree rotation, valve is closed completely.The volume of main apotheca 5 is along with 6 times movements of main piston constantly become large, until reach maximum during valve closing.
Fire prevention action: the fire protect duct 15 being provided with between main apotheca 5 and secondary apotheca 7 is provided with fire prevention Inductance valve 13, when this final controlling element is when opening state is subject to high temperature, fire prevention Inductance valve 13 is opened automatically because of high temperature, at this moment main apotheca 5 and secondary apotheca 7 are connected, pressure balance between them, main spring 2 is because the original upper thrust being subject to disappears, just, push away spring bottom plate 4, spring bottom plate 4 drives the piston rod 21 of main piston 6 to move down, main piston 6 moves to secondary apotheca 7 thereupon, secondary apotheca 7 volumes are along with main piston 6 moves down and diminishes, along with main piston 6 moves down, the main shaft 20 being threaded onto on main piston oppositely moves, main shaft 20 oppositely constantly rotates and the rotation of band ovable valve stem, and just valve closes valve gradually.When main shaft 20 90-degree rotation, valve is closed completely.The volume of main apotheca 5 is along with 6 times movements of main piston constantly become large, until reach maximum during valve closing.
Sub-piston 4 resets: when valve closing, main apotheca 5 all focuses in main apotheca 5 with all fluids of secondary apotheca 7, auxiliary spring 3 pressurizeds on sub-piston 4, on outlet conduit 14, one-way valve 13 is opened automatically, and the transfer line of main apotheca 5 and valve downstream 12 is communicated with, during at this moment due to valve closing, line downstream decompression, so the fluid flow valve downstream of main apotheca 5, sub-piston 4 resets, and final controlling element returns to again the state before unlatching.
Claims (7)
1. one kind is utilized transfer line internal pressure as the transfer line valve actuator of power, comprise the cylinder cap on cylinder body, lid and cylinder body, it is characterized in that being provided with in cylinder body main piston, sub-piston, main apotheca and secondary apotheca, in main piston, be connected with main shaft, in cylinder cap, be provided with main spring and auxiliary spring; Sub-piston is provided with consent, and sub-piston is connected on the piston rod of main piston upper end by this sleeve of jack; Main spring lower end peaks on the piston rod of main piston, and auxiliary spring lower end peaks on sub-piston; Main apotheca is surrounded by main piston top, sub-piston bottom and inboard wall of cylinder block, secondary apotheca was surrounded by the end in main piston bottom, inboard wall of cylinder block and cylinder body, between main apotheca and secondary apotheca, be provided with connecting tube and fire protect duct, connecting tube is provided with first fluid control valve, and fire protect duct is provided with fire prevention Inductance valve; Cylinder body one side of secondary apotheca is provided with inlet pipeline, and inlet pipeline is provided with second fluid control valve.
2. the transfer line internal pressure of utilizing according to claim 1 is as the transfer line valve actuator of power, it is characterized in that main piston central authorities are provided with axis hole, axis hole wall is provided with internal thread, and main shaft is provided with outside thread, and the external thread rotary of main shaft is on main piston internal thread.
3. the transfer line internal pressure of utilizing according to claim 1, as the transfer line valve actuator of power, is characterized in that the outlet end of connecting tube and the outlet end of fire protect duct are communicated with outlet conduit respectively, and outlet conduit is provided with one-way valve.
4. the transfer line internal pressure of utilizing according to claim 1, as the transfer line valve actuator of power, is characterized in that being provided with in cylinder body the limited step of sub-piston.
5. the transfer line internal pressure of utilizing according to claim 1, as the transfer line valve actuator of power, is characterized in that cylinder cap is provided with bearing, and main shaft upper end is positioned at bearing.
6. the transfer line internal pressure of utilizing according to claim 1, as the transfer line valve actuator of power, is characterized in that first fluid control valve is solenoid valve or manually operated valve; Second fluid control valve is also solenoid valve or manually operated valve.
7. the transfer line internal pressure of utilizing according to claim 1, as the transfer line valve actuator of power, is characterized in that the piston rod part of main piston is provided with spring bearer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880961.7U CN203718102U (en) | 2013-12-30 | 2013-12-30 | Conveying pipeline valve actuator utilizing internal pressure of conveying pipeline as power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880961.7U CN203718102U (en) | 2013-12-30 | 2013-12-30 | Conveying pipeline valve actuator utilizing internal pressure of conveying pipeline as power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203718102U true CN203718102U (en) | 2014-07-16 |
Family
ID=51157253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320880961.7U Withdrawn - After Issue CN203718102U (en) | 2013-12-30 | 2013-12-30 | Conveying pipeline valve actuator utilizing internal pressure of conveying pipeline as power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203718102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807488A (en) * | 2013-12-30 | 2014-05-21 | 邱金全 | Conveying pipeline valve actuator with conveying pipeline internal pressure as power |
-
2013
- 2013-12-30 CN CN201320880961.7U patent/CN203718102U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807488A (en) * | 2013-12-30 | 2014-05-21 | 邱金全 | Conveying pipeline valve actuator with conveying pipeline internal pressure as power |
| CN103807488B (en) * | 2013-12-30 | 2016-06-08 | 邱金全 | A kind of utilize in line of pipes pressure as the line of pipes valve actuator of power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |