CN203570733U - Differential-pressure-type automatic gas busbar switching device - Google Patents
Differential-pressure-type automatic gas busbar switching device Download PDFInfo
- Publication number
- CN203570733U CN203570733U CN201320763592.3U CN201320763592U CN203570733U CN 203570733 U CN203570733 U CN 203570733U CN 201320763592 U CN201320763592 U CN 201320763592U CN 203570733 U CN203570733 U CN 203570733U
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- suction port
- piston body
- gas
- end cap
- screw
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- 238000003756 stirring Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 3
- 240000007643 Phytolacca americana Species 0.000 abstract 1
- 230000006837 decompression Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a gas busbar, in particular to a differential-pressure-type automatic gas busbar switching device, which is provided with a left screw nut, a left screw, a left end cover, a left gas inlet, a left gas chamber, a left spring, a sealing ring, a left gas outlet, a left one-way valve, a left travel switch, a poke rod bolt, a main gas outlet pipe, a right travel switch, a right gas outlet, a cylinder body, a piston body, a right gas chamber, a right gas inlet, a right screw, a right screw nut, a right spring, a right gas source inlet, a left gas source inlet, a right end cover and a right one-way valve. The switching is automatically realized by using gas pressure difference and spring force, no power is needed, and the normal automatic switching and the normal working can be guaranteed even though the power is cut off.
Description
Technical field
The utility model relates to a kind of gas cylinder manifold, especially relates to a kind of differential pressure type gas cylinder manifold automatic switching control equipment.
Background technique
Gas cylinder manifold Shi confluxes on bis-tunnels on house steward and is connected to respectively many gas cylinders, and collecting is two groups, then reduces pressure, then is delivered to by main pipeline the system equipment that uses terminal.In use, two groups of gas cylinders of gas cylinder manifold are called A group and B group has one group first to use the group as A, another group as standby as B group; When A group storage pressure is during lower than certain value, switch in another B group, A group connects the gas cylinder of gas again, as standby, is used alternatingly like this, to reach continuous air feed.The Er upper switching of total valve being installed before decompression or all can controlling this group after decompression of house steward of confluxing on road, according to the difference of the control form to total valve, can be divided into manual switchover, pneumatic semi-automatic switches and automatically switches.
Summary of the invention
The purpose of this utility model is to provide a kind of differential pressure type gas cylinder manifold automatic switching control equipment.
The utility model is provided with left screw cap, left screw, left end cap, left suction port, left air chamber, left spring, seal ring, left air outlet, left one-way valve, left position limit switch, driving lever bolt, total steam outlet pipe, right position limit switch, right air outlet, cylinder body, piston body, right air chamber, right suction port, right screw, right screw cap, right spring, right gas source air inlet, left gas source air inlet, right end cap and right one-way valve;
Piston body is installed in cylinder body, piston body can move left and right in cylinder body, between piston body and cylinder body, seal ring is housed, cylinder body left and right end is equipped with respectively left end cap and right end cap, left suction port, left screw and left screw cap are housed on left end cap, right suction port, right screw and right screw cap are housed on right end cap, between the left end cap in left air chamber and piston body, left spring are installed, right spring is installed between the right end cap in right air chamber and piston body; Left air outlet is connected with left suction port and total steam outlet pipe, right air outlet is connected with right suction port and total steam outlet pipe, between left suction port and left air outlet and between left suction port and total steam outlet pipe, be respectively equipped with left one-way valve, between right suction port and right air outlet and between right suction port and total steam outlet pipe, be respectively equipped with right one-way valve; Cylinder body is equipped with left gas source air inlet and right gas source air inlet, the break-make of left gas source air inlet and left air outlet, and the break-make of right gas source air inlet and right air outlet is by the determining positions of piston body, when piston body moves to right, left gas source air inlet can communicate with left air outlet by the groove of piston body, right gas source air inlet is because the sealing of seal ring can not communicate with right air outlet, and vice versa; Driving lever bolt is housed on piston body, and fluting is established in the corresponding position of cylinder body, when piston body moves left and right, driving lever bolt can freely move with piston body, left position limit switch and right position limit switch are equipped with in the both sides of driving lever bolt, when mobile, can stir position limit switch, make it change the break-make of contact.
The utility model adopts the pressure reduction of gas to switch, and is a kind of Full automatic penumatic COMM communication, and automatic switchover utilizes gas differential pressure and spring force to realize, and does not need power supply, so even power-off also can normally automatically switch, normally work.Cylinder manifold is generally divided into gas cylinder two groups of A, B, and multiple gas cylinders are housed respectively; Suppose first to use A group, the pressurized gas of A group, after decompression, enter left gas source air inlet, and now piston body is in the position of opening A channel, gas is by left air outlet, pipeline, left suction port, enter left air chamber, piston body is pushed away to the right, compress right spring, driving lever bolt moves right, leave left position limit switch, stir right position limit switch, switch can be connected alarm; And the pressurized gas of B group are after decompression, enter right gas source air inlet, due to the position of seal ring on piston, in isolation, gas can not enter right air outlet, and right air chamber is without air pressure; A group storage pressure progressively reduces, and the pressure of left air chamber also declines, when being reduced to atmospheric pressure and being less than the power of right spring, piston body is to moving to left, and the gas of right gas source air inlet enters piston body passage, by right air outlet, pipeline, right suction port, enter right air chamber, piston body is pushed away left again, compression left spring, driving lever bolt is to moving to left, leave right position limit switch, stir left position limit switch, switch can be connected alarm, notifies operator on duty gas cylinder in A assembling; With this, go round and begin again, continuously air feed.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structure composition schematic diagram.
Embodiment
Referring to Fig. 1, the utility model embodiment is provided with left screw cap 1, left screw 2, left end cap 3, left suction port 4, left air chamber 5, left spring 6, seal ring 7, left air outlet 8, left one-way valve 9, left position limit switch 10, driving lever bolt 11, total steam outlet pipe 12, right position limit switch 13, right air outlet 14, cylinder body 15, piston body 16, right air chamber 17, right suction port 18, right screw 19, right screw cap 20, right spring 21, right gas source air inlet 22, left gas source air inlet 23, right end cap 24 and right one-way valve 25.
Piston body 16 is installed in cylinder body 15, piston body 16 can move left and right in cylinder body 15, between piston body 16 and cylinder body 15, seal ring 7 is housed, cylinder body 15 left and right ends are equipped with respectively left end cap 3 and right end cap 24, left suction port 4, left screw 2 and left screw cap 1 are housed on left end cap 3, right suction port 18, right screw 19 and right screw cap 20 are housed on right end cap 24, between left end cap 3 in left air chamber 5 and piston body 16, left spring 6 is installed, right spring 21 is installed between the right end cap 24 in right air chamber 17 and piston body 16; Left air outlet 8 is connected with left suction port 4 and total steam outlet pipe 12, right air outlet 14 is connected with right suction port 18 and total steam outlet pipe 12, between left suction port 4 and left air outlet 8 and between left suction port 4 and total steam outlet pipe 12, be respectively equipped with left one-way valve 9, between right suction port 18 and right air outlet 14 and between right suction port 18 and total steam outlet pipe 12, be respectively equipped with right one-way valve 25; Cylinder body 15 is equipped with left gas source air inlet 23 and right gas source air inlet 22, the break-make of left gas source air inlet 23 and left air outlet 8, and the break-make of right gas source air inlet 22 and right air outlet 14 is by the determining positions of piston body 16, when piston body 16 moves to right, left gas source air inlet 23 can communicate with left air outlet 8 by the groove of piston body 16, right gas source air inlet 22 is because the sealing of seal ring can not communicate with right air outlet 14, and vice versa; Driving lever bolt 11 is housed on piston body 16, fluting is established in the corresponding position of cylinder body 15, when piston body 16 moves left and right, driving lever bolt 11 can freely move with piston body 16, left position limit switch 10 and right position limit switch 13 are equipped with in the both sides of driving lever bolt 11, when mobile, can stir position limit switch, make it change the break-make of contact.
Claims (1)
1. differential pressure type gas cylinder manifold automatic switching control equipment, is characterized in that being provided with left screw cap, left screw, left end cap, left suction port, left air chamber, left spring, seal ring, left air outlet, left one-way valve, left position limit switch, driving lever bolt, total steam outlet pipe, right position limit switch, right air outlet, cylinder body, piston body, right air chamber, right suction port, right screw, right screw cap, right spring, right gas source air inlet, left gas source air inlet, right end cap and right one-way valve;
Piston body is installed in cylinder body, piston body can move left and right in cylinder body, between piston body and cylinder body, seal ring is housed, cylinder body left and right end is equipped with respectively left end cap and right end cap, left suction port, left screw and left screw cap are housed on left end cap, right suction port, right screw and right screw cap are housed on right end cap, between the left end cap in left air chamber and piston body, left spring are installed, right spring is installed between the right end cap in right air chamber and piston body; Left air outlet is connected with left suction port and total steam outlet pipe, right air outlet is connected with right suction port and total steam outlet pipe, between left suction port and left air outlet and between left suction port and total steam outlet pipe, be respectively equipped with left one-way valve, between right suction port and right air outlet and between right suction port and total steam outlet pipe, be respectively equipped with right one-way valve; Cylinder body is equipped with left gas source air inlet and right gas source air inlet, the break-make of left gas source air inlet and left air outlet, and the break-make of right gas source air inlet and right air outlet is by the determining positions of piston body; Driving lever bolt is housed on piston body, and fluting is established in the corresponding position of cylinder body, when piston body moves left and right, driving lever bolt can freely move with piston body, left position limit switch and right position limit switch are equipped with in the both sides of driving lever bolt, when mobile, can stir position limit switch, make it change the break-make of contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763592.3U CN203570733U (en) | 2013-11-27 | 2013-11-27 | Differential-pressure-type automatic gas busbar switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763592.3U CN203570733U (en) | 2013-11-27 | 2013-11-27 | Differential-pressure-type automatic gas busbar switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570733U true CN203570733U (en) | 2014-04-30 |
Family
ID=50538466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320763592.3U Expired - Lifetime CN203570733U (en) | 2013-11-27 | 2013-11-27 | Differential-pressure-type automatic gas busbar switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570733U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105173553A (en) * | 2015-08-28 | 2015-12-23 | 重庆市腾瀚工贸有限公司 | Intermittent transportation device for steering knuckles |
| CN110129518A (en) * | 2019-04-03 | 2019-08-16 | 西安迈象能源科技有限公司 | A kind of sequence valve, gas sequence control system and its control method |
| CN114571057A (en) * | 2022-03-17 | 2022-06-03 | 航天工程装备（苏州）有限公司 | Driving module, variable-frequency pneumatic type pumpback friction stir welding device and equipment |
-
2013
- 2013-11-27 CN CN201320763592.3U patent/CN203570733U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105173553A (en) * | 2015-08-28 | 2015-12-23 | 重庆市腾瀚工贸有限公司 | Intermittent transportation device for steering knuckles |
| CN110129518A (en) * | 2019-04-03 | 2019-08-16 | 西安迈象能源科技有限公司 | A kind of sequence valve, gas sequence control system and its control method |
| CN114571057A (en) * | 2022-03-17 | 2022-06-03 | 航天工程装备（苏州）有限公司 | Driving module, variable-frequency pneumatic type pumpback friction stir welding device and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |