CN102563152A - Automatic gas leakage protector - Google Patents
Automatic gas leakage protector Download PDFInfo
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- CN102563152A CN102563152A CN2012100138099A CN201210013809A CN102563152A CN 102563152 A CN102563152 A CN 102563152A CN 2012100138099 A CN2012100138099 A CN 2012100138099A CN 201210013809 A CN201210013809 A CN 201210013809A CN 102563152 A CN102563152 A CN 102563152A
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- protector
- plug
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- gas
- blocking
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Abstract
The invention discloses an automatic gas leakage protector. The automatic gas leakage protector consists of a stainless steel ball valve, a protector base, a limit blocking plug, an O-shaped sealing ring, a sealing ring, and a connection pipe plug. The automatic gas leakage protector is characterized in that the center of the connection pipe through-plug has a through-hole with two large-diameter ends and a small-diameter middle part; the protector base is mounted in the hole on the lower end of the connection pipe plug; the limit blocking plug is mounted on the upper end of the protector base; a gas passage is arranged on the upper end of the limit blocking plug; an air pressure transmission hole is formed on the side end of the limit blocking plug; the sealing ring is mounted on and hermetically connected with the limit blocking plug; and the O-shaped sealing ring is mounted at the joint between the connection pipe through-plug and the protector base. The automatic gas leakage protector is mounted on the valve body in a rescue capsule, and can effectively block off the inlet passage of toxic gas outside the rescue capsule so as to prevent toxic gas from entering the capsule when gas explosion occurs in the coal mine, thereby solving the problem in preventing invasion of toxic gas into the capsule, and preventing occurrence of secondary disasters. The automatic gas leakage protector has high sensitivity and reliability, and is a preferred ideal protector for coal mines.
Description
Technical field:
The invention belongs to life saving device field under the coal mine, relate to a kind of gas leakage automatic protector specifically.
Background technique:
Under mine during gas explosion; Caused shock wave of coal dust explosion and huge gas expand; The immense pressure that is produced gets into micro-differential pressure gauge inside with the damage of the measurement component in the instrument along the sampling pipe of the outside (rescue capsule) of micro-differential pressure gauge, follows two kinds of impacts: the one, and the forward gas percussion; The 2nd, coal dust fires once more and impacts, and two stacks surpass 10 barometric pressure, and the moment gas of impact gets into micro-differential pressure gauge along sampling hole by pipeline, and its structure of traditional micro-differential pressure gauge mostly is a bellows-type; Maximum anti-pressure ability about 2 barometric pressure, so, opposing not so big compression shock; Sampling hole--valve body--pipeline--micro-differential pressure gauge, the passage that has just become poison gas to invade makes the moment damage of the inner bellows of table; Break; Breaking causes the outer toxic gas of rescue capsule to get in the cabin, causes by the unthinkable disaster of lifesaving personnel and takes place, and vast mine worker hopes to have and can block a kind of gas leakage automatic protector that blocks poison gas and come out.
Summary of the invention:
The purpose of this invention is to provide a kind of gas leakage automatic protector of installing on a kind of valve body in rescue capsule, to overcome above-mentioned deficiency.
The objective of the invention is to realize by following technological scheme:
A kind of gas leakage automatic protector; By Stainless Steel Ball Valve, protector seat, restriction blocking-up plug, O RunddichtringO, seal ring, connecting leg logically block up, gas channel, air pressure transfer hole form; It is characterized in that: the logical stifled center of connecting leg is the little through hole in big centre, two; In the logical stifled following stomidium of connecting leg the protector seat is installed; Restriction blocking-up plug is installed in the upper end of protector seat, and end is provided with gas channel beyond the Great Wall, side is provided with the air pressure transfer hole in the restriction blocking-up, and seal ring is installed in the restriction blocking-up and is tightly connected beyond the Great Wall; Logical the blocking up with protector seat joint installation O type Mi Quan of connecting leg is tightly connected, and protector seat lower end installation Stainless Steel Ball Valve is threaded and forms a kind of gas leakage automatic protector; The center of described protector seat is a gas channel; Described protector seat is provided with gas channel, limiting faces with restriction blocking-up plug joint, and described Stainless Steel Ball Valve lower end is connected with the outer gas interface of rescue capsule; The logical stifled upper end of described connecting leg is connected with micro-differential pressure gauge.
Advantage of the present invention is:
The present invention is a kind of gas leakage automatic protector that install on the valve body top in rescue capsule, and when under the mine during gas explosion, the measurement component in the instrument damages; The moment of breaking, the present invention can effectively intercept by the poison gas that has that rescue capsule is outer, blocks the route that blocks poison gas at once; It is no longer got in the cabin, and poison gas gets into the deficiency in the cabin when having solved gas explosion under the mine, and 2 times of being against any misfortune take place; Sensitive, high, the effective safety of having protected the personnel that take refuge of reliability, volume is little, in light weight, is convenient to install; Be first-selected, the desirable a kind of gas leakage automatic protector of each mine worker, can receive user's favorable comment surely.
The imbody technique effect:
A, the different and existing one-way valve (can only be used for compressed-air actuated pipe element) of a kind of gas leakage automatic protector of the present invention; Can be applied in the minute-pressure occasion, volume is little, is convenient to install;
B, highly sensitive; Restriction blocking-up plug structure can be under the airless situation proper functioning; The restriction blocking-up is filled under the airless situation owing to parts gas channel, air pressure transfer hole, limiting faces structure function; The vertical when mounted and ground of protector; Naturally hang down on the limiting faces of protector; This moment, Pneumatic pipe cleaner was crossed pipeline, and----it is inner that restriction blocking-up plug passage----pipeline arrives micro-differential pressure gauge, and mating protection device seat and connecting leg are logical stifled; Can when air-flow is arranged, block up the stream of dying again, have in light weightly, receive motion gas area big, be 2.5g/cm2, promptly have/the air communication mistake of 0.25Kpa, clog passage at once;
C, reliability height; The instrument safety of having protected, pressure is limited to: 200Kpa>> 0.25Kpa, safety coefficient nearly 800 times so be very reliable;
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an embodiment of the invention schematic representation.
Embodiment:
Below in conjunction with accompanying drawing the present invention is further described,
Embodiment:
Shown in Fig. 1-2 figure; A kind of gas leakage automatic protector of the present invention; Form by micro-differential pressure gauge interface 12, limiting faces 13 in logical stifled 6, the air pressure transfer hole 7 of Stainless Steel Ball Valve 1, protector seat 2, restriction blocking-up plug 3, O RunddichtringO 4, seal ring 5, connecting leg, pressure hole 8, gas interface 9, probe tube 10, micro-differential pressure gauge 11, the cabin; It is characterized in that: logical stifled 6 the center of connecting leg is the little through hole in big centre, two; In logical stifled 6 the following stomidium of connecting leg protector seat 2 is installed; Restriction blocking-up plug 3 is installed in the upper end of protector seat 2, and restriction blocking-up plug 3 upper ends are provided with air pressure transfer hole 7, side is provided with pressure hole 8, and seal ring 5 is installed on the restriction blocking-up plug 3 and is tightly connected; Connecting leg logical stifled 6 is installed the close circle 4 of O type with protector seat 2 joints and is tightly connected, and protector seat 2 lower ends installation Stainless Steel Ball Valve 1 is threaded and forms a kind of gas leakage automatic protector; The center of described protector seat 2 is a gas channel 7; Described protector seat 2 is provided with gas channel 7, limiting faces 13 with restriction blocking-up plug 3 joints; Described Stainless Steel Ball Valve 1 lower end is connected with the outer gas interface 9 of rescue capsule; Logical stifled 6 upper ends of described connecting leg are connected with micro-differential pressure gauge 11.
Stainless Steel Ball Valve 1 in micro-differential pressure gauge 11, plays connected element and manually blocking-up--open function, protector 2 is to be connected with Stainless Steel Valve 1 thread seal, and with is communicated with pipe plug 6 and withholds 4 realizations of O RunddichtringO and seal through being communicated with the pipe plug seam by the M18X1.5 screw thread; The surface of contact of restriction blocking-up plug 3 and seal ring 5 is installed in protector seat 2 and is communicated with between the pipe plug 6 after bonding with super glue; When micro-differential pressure gauge 11 does not just often influence transmission air pressure; When micro-differential pressure gauge 11 breaks, air-flow will limit blocking-up plug 3 and push be communicated with the gas channel 7 that pipe plug 6 sides are blocked gas to.
Behind micro-differential pressure gauge 11 pressurizeds, break; By probe tube 10--pipeline--Stainless Steel Ball Valve 1--gas leakage automatic protector--connecting tube--micro-differential pressure gauge 11--bellows--in the cabin probe tube 10 formed a passage air flow stream mistake arranged, promptly just will limit blocking-up plug 3 and be flushed to connecting leg and lead to and block up limiting faces 13 in 6 the through hole by air-flow when the moment that micro-differential pressure gauge 11 breaks; And firmly passage is stopped up, when pressure is mild out of my cabin; Restriction blocking-up plug 3 is because the effect of gravity vertically drops to original position, and the micro-differential pressure gauge 11 of changing same specification still can continue to measure differential pressure.
Embodiment 1:
As shown in Figure 2, when mine disaster comes interim; Rescue capsule is that environment completely cuts off under an autonomous system and the mine relatively, if gas is blasted and caused powder blast, moment high temperature be accompanied by shock wave, rescue capsule extraneous gas instantaneous expansion is more than 20 times of normal condition, promptly; About 20 barometric pressure; Gas out of my cabin is delivered to micro-differential pressure gauge 11 through probe tube 10, Stainless Steel Ball Valve 1 in gas interface 9, the cabin and micro-differential pressure gauge 11 inner bellows is burst micro-differential pressure gauge interface 12 spills in the cabin; Meanwhile; Restriction blocking-up in the gas gas leakage automatic protector fills in 3 because the effect of air-flow rushes at logical stifled 6 the limiting faces 13 of connecting leg and by the stifled firmly air-flow that broken of the effect of air pressure, the toxic gas of effectively having blocked outside the rescue capsule flows in the rescue capsule.
When the inner and external pressure balance of gas gas leakage automatic protector, 3 actions of gravity playback is filled in spacing blocking-up; Simulation; Charged air pressure 1Kpa (gas leakage automatic protector) just can carry out the blocking pipe effect; Under gas circuit does not have mobility status; Restriction blocking-up plug 3 is by remaining on this position under the action of gravity, the moment that has air communication to cross will limit blocking-up and filled in 3 along the restricted room body wall blocking pipe 6 that makes progress, and make gas at the end of one's rope.
General description;
Pneumatic pipe cleaner piping--Stainless Steel Ball Valve 1---gas leakage automatic protector--pipeline--micro-differential pressure gauge 11 that probe tube 10 is gathered outside rescue capsule constantly under the normal state; The passage of gas leakage automatic protector of the present invention air pressure out of my cabin passes to micro-differential pressure gauge 11; Comparing deformation through bellows with probe tube 10 in the cabin drives driving mechanism and shows on micro-differential pressure gauge 11 pointers and the dial scale; Show that the inside and outside differential pressure of deliver from vault changes; At this moment, the inside and outside probe tube 10 of micro-differential pressure gauge 11 is obstructed each other is a sidewalk for visually impaired people.
Behind micro-differential pressure gauge 11 pressurizeds, break; By probe tube 10--pipeline--Stainless Steel Ball Valve 1--gas leakage automatic protector--connecting tube--micro-differential pressure gauge 11--bellows--in the cabin probe tube 10 formed a passage air flow stream mistake arranged; The basal area 1.2cm2 weight 2.5g of restriction blocking-up plug 3 promptly just will limit blocking-up plug 3 and be flushed to connecting leg and lead to and block up in 6 the limiting faces 13 when the moment that micro-differential pressure gauge 11 breaks by air-flow, and firmly passage will be stopped up; When pressure is mild smaller or equal to the pressure in the rescue capsule out of my cabin; Restriction blocking-up plug 3 is because the effect of gravity vertically drops to original position; The micro-differential pressure gauge 11 of changing same specification still can continue to measure differential pressure.
Claims (5)
1. gas leakage automatic protector; By Stainless Steel Ball Valve, protector seat, restriction blocking-up plug, O RunddichtringO, seal ring, connecting leg logically block up, gas channel, air pressure transfer hole form; It is characterized in that: the logical stifled center of connecting leg is the little through hole in big centre, two; In the logical stifled following stomidium of connecting leg the protector seat is installed; Restriction blocking-up plug is installed in the upper end of protector seat, and end is provided with gas channel beyond the Great Wall, side is provided with the air pressure transfer hole in the restriction blocking-up, and seal ring is installed in the restriction blocking-up and is tightly connected beyond the Great Wall; Logical the blocking up with protector seat joint installation O type Mi Quan of connecting leg is tightly connected, and protector seat lower end installation Stainless Steel Ball Valve is threaded and forms a kind of gas leakage automatic protector.
2. according to the described a kind of gas leakage automatic protector of claim 1, it is characterized in that: the center of described protector seat is a gas channel.
3. according to the described a kind of gas leakage automatic protector of claim 1, it is characterized in that: described protector seat is provided with gas channel, limiting faces with restriction blocking-up plug joint.
4. according to the described a kind of gas leakage automatic protector of claim 1, it is characterized in that: described Stainless Steel Ball Valve lower end is connected with the outer gas interface of rescue capsule.
5. according to the described a kind of gas leakage automatic protector of claim 1, it is characterized in that: the logical stifled upper end of described connecting leg is connected with micro-differential pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100138099A CN102563152A (en) | 2012-01-17 | 2012-01-17 | Automatic gas leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100138099A CN102563152A (en) | 2012-01-17 | 2012-01-17 | Automatic gas leakage protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102563152A true CN102563152A (en) | 2012-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100138099A Pending CN102563152A (en) | 2012-01-17 | 2012-01-17 | Automatic gas leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102563152A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3013235A1 (en) * | 1979-04-11 | 1980-10-23 | Gervasoni Bono | Poppet valve for regulating the flow of a pressurized fluid |
| CN87209820U (en) * | 1987-06-26 | 1988-01-20 | 徐放 | Water saving sanitary washing jet |
| CN2833289Y (en) * | 2005-07-02 | 2006-11-01 | 吴正平 | Explosion-proof safety valve for pipeline |
| CN201954061U (en) * | 2011-01-21 | 2011-08-31 | 蚌埠方正气体净化设备有限公司 | Safety valve of high-pressure gas drying and purifying device |
| CN202032140U (en) * | 2011-03-02 | 2011-11-09 | 李少辉 | High-low pressure double-blocking type air flow safe valve |
-
2012
- 2012-01-17 CN CN2012100138099A patent/CN102563152A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3013235A1 (en) * | 1979-04-11 | 1980-10-23 | Gervasoni Bono | Poppet valve for regulating the flow of a pressurized fluid |
| CN87209820U (en) * | 1987-06-26 | 1988-01-20 | 徐放 | Water saving sanitary washing jet |
| CN2833289Y (en) * | 2005-07-02 | 2006-11-01 | 吴正平 | Explosion-proof safety valve for pipeline |
| CN201954061U (en) * | 2011-01-21 | 2011-08-31 | 蚌埠方正气体净化设备有限公司 | Safety valve of high-pressure gas drying and purifying device |
| CN202032140U (en) * | 2011-03-02 | 2011-11-09 | 李少辉 | High-low pressure double-blocking type air flow safe valve |
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Application publication date: 20120711 |