Isolated refuge cabin

Abstract

The present invention relates a refuge used in underground mines, and more particularly to a type of isolated refuge cabin used in underground mines, including the supporting airbag ( 1 ), the body shell ( 2 ) equipped outside the supporting air bag ( 1 ), a breathable air supplier ( 4 ) and an air inflation device ( 3 ); the air outlet ( 5 ) of the air inflation device ( 3 ) is linked with an air outlet ( 7 ) of the supporting air bag ( 1 ) through an air supply passage( 6 ); the air inlet ( 8 ) of the breathable air supplier ( 4 ) is connected to the interior cavity of the body shell ( 2 ) through an air intake passage ( 9 ); the air outlet ( 10 ) of the breathable air supplier ( 4 ) is linked with the lower part of the interior cavity of the body shell ( 2 ) through the air outlet passage( 11 ); the breathable air supplier ( 4 ) includes a shell ( 12 ), the oxygen generating agent ( 13 ) equipped inside the shell ( 12 ); the emergency exit ( 14 ) is installed on the body shell ( 2 ). The present invention provides an isolated refuge cabin of a simple structure, which can be operated safely and easily to effectively separate the exterior environment of the mining accident areas and provide conditions for survival for human beings involved in the mine accidents.

1 . An isolated refuge cabin, comprising:
 a supporting air bag ( 1 );   a body shell ( 2 ) equipped outside the supporting air bag ( 1 );   a breathable air supplier ( 4 ); and   an air inflation device ( 3 );   wherein an air outlet ( 5 ) of the air inflation device ( 3 ) is connected to an air inlet ( 7 ) of the supporting air bag ( 1 ), an air inlet ( 8 ) of the breathable air supplier ( 4 ) is connected to the interior cavity of the body shell ( 2 ) through an air intake passage ( 9 ), an air outlet ( 10 ) of the breathable air supplier ( 4 ) is linked to the lower part of the interior cavity of the body shell ( 2 ), the breathable air supplier ( 4 ) includes a shell ( 12 ) and an oxygen generating agent ( 13 ) equipped between the air inlet ( 8 ) and the air outlet ( 10 ), and an emergency exit ( 14 ) is installed on the body shell ( 2 ).   
     
     
         2 . The isolated refuge cabin according to  claim 1 , further comprising installation racks ( 15 ) installed inside the shell ( 12 ), and installation grids ( 16 ) installed on the installation racks ( 15 ), and the oxygen generating agent ( 13 ) is stored between the installation grids ( 16 ), and wherein the oxygen generating agent ( 13 ) is of a flaky structure. 
     
     
         3 . The isolated refuge cabin according to  claim 1 , further comprising heat dissipation fins ( 17 ) installed outside the breathable air supplier ( 4 ). 
     
     
         4 . The isolated refuge cabin according to  claim 3 , wherein the supporting air bag ( 1 ) has a relief valve ( 18 ) and a one-way air intake valve ( 19 ) is installed at the air inlet ( 7 ). 
     
     
         5 . The isolated refuge cabin according to  claim 4 , further comprising an adjuster ( 20 ) installed on the outside of the body shell ( 2 ), the adjuster ( 20 ) containing toxic gas filtering agent ( 24 ) and having an exterior end ( 21 ) and a body shell end ( 23 ), wherein both the exterior end ( 21 ) and the body shell end ( 23 ) are connected to the toxic gas filtering agent ( 24 ), and the body shell end ( 23 ) is connected to the interior cavity of the body shell ( 2 ). 
     
     
         6 . The isolated refuge cabin according to  claim 5 , further comprising a blowing mechanism ( 25 ) installed at the joint of the air outlet ( 11 ) and the lower part of the interior cavity of the body shell ( 2 ). 
     
     
         7 . The isolated refuge cabin according to  claim 6 , wherein the blowing mechanism ( 25 ) includes a blower body shell ( 26 ), a spring drive mechanism ( 27 ) installed in the blower body shell ( 26 ), and a power output shaft ( 28 ) mounted with a power output gear ( 29 ), a transmission gear ( 33 ) and a drive spring ( 35 ) mounted on a centre shaft ( 32 ) of the spring drive mechanism ( 27 ), wherein the drive spring is installed in an assembly housing ( 36 ), the transmission gear ( 33 ) is engaged with the power output gear ( 29 ), the power output shaft ( 28 ) is installed in the blower body shell ( 26 ) with blower blades ( 34 ) mounted at the top end of the power output shaft ( 28 ). 
     
     
         8 . The isolated refuge cabin according to  claim 7 , further comprising a transitional transmission shaft ( 30 ) installed in the blower body shell ( 26 ), a driver gear ( 37 ) and a power transmission gear ( 38 ) mounted on the transitional transmission shaft ( 30 ), wherein the transmission gear ( 33 ) is engaged with the drive gear ( 37 ) and the power transmission gear ( 38 ) is engaged with the power output gear ( 29 ). 
     
     
         9 . The isolated refuge cabin according to  claim 8 , further comprising a speed controlling shaft ( 39 ) installed in the blower body shell ( 26 ), a speed controlling drive gear ( 40 ) mounted on the speed controlling shaft ( 39 ), a speed controlling transmission gear ( 41 ) engaged with the power output gear ( 29 ) and also engaged with the speed controlling drive gear ( 40 ), and a speed controlling mechanism ( 42 ) mounted on the speed controlling shaft ( 39 ); wherein the speed controlling mechanism ( 42 ) includes a speed controlling sheath ( 43 ) installed in the blower body shell ( 26 ), a speed controlling chuck ( 63 ) mounted on the speed controlling shaft ( 39 ), a concave groove ( 64 ) formed on the speed controlling chuck ( 63 ), a speed controlling terminal ( 44 ) installed in the concave groove ( 64 ), wherein the speed controlling chuck ( 63 ) and the speed controlling terminal ( 44 ) are both installed in the speed controlling sheath ( 43 ). 
     
     
         10 . The isolated refuge cabin according to  claim 9 , wherein the body shell ( 2 ) includes an aluminum foil layer ( 64 ), a fire-proof fabric layer ( 65 ), a rubber layer ( 66 ) and a fabric layer ( 67 ), wherein the fire-proof fabric layer ( 65 ) is disposed between the aluminum foil layer ( 64 ) and the rubber layer ( 66 ), and the rubber layer ( 66 ) is disposed between the fire-proof fabric layer ( 65 ) and the fabric layer ( 67 ). 
     
     
         11 . The isolated refuge cabin according to  claim 2 , further comprising heat dissipation fins ( 17 ) installed outside the breathable air supplier ( 4 ). 
     
     
         12 . The isolated refuge cabin according to  claim 11 , wherein the supporting air bag ( 1 ) has a relief valve ( 18 ) and a one-way air intake valve ( 19 ) is installed at the air inlet ( 7 ). 
     
     
         13 . The isolated refuge cabin according to  claim 12 , further comprising an adjuster ( 20 ) installed on the outside of the body shell ( 2 ), the adjuster ( 20 ) containing toxic gas filtering agent ( 24 ) and having an exterior end ( 21 ) and a body shell end ( 23 ), wherein both the exterior end ( 21 ) and the body shell end ( 23 ) are connected to the toxic gas filtering agent ( 24 ), and the body shell end ( 23 ) is connected to the interior cavity of the body shell ( 2 ). 
     
     
         14 . The isolated refuge cabin according to  claim 13 , further comprising a blowing mechanism ( 25 ) installed at the joint of the air outlet ( 11 ) and the lower part of the interior cavity of the body shell ( 2 ). 
     
     
         15 . The isolated refuge cabin according to  claim 14 , wherein the blowing mechanism ( 25 ) includes a blower body shell ( 26 ), a spring drive mechanism ( 27 ) installed in the blower body shell ( 26 ), and a power output shaft ( 28 ) mounted with a power output gear ( 29 ), a transmission gear ( 33 ) and a drive spring ( 35 ) mounted on a centre shaft ( 32 ) of the spring drive mechanism ( 27 ), wherein the drive spring is installed in an assembly housing ( 36 ), the transmission gear ( 33 ) is engaged with the power output gear ( 29 ), the power output shaft ( 28 ) is installed in the blower body shell ( 26 ) with blower blades ( 34 ) mounted at the top end of the power output shaft ( 28 ). 
     
     
         16 . The isolated refuge cabin according to  claim 15 , further comprising a transitional transmission shaft ( 30 ) installed in the blower body shell ( 26 ), a driver gear ( 37 ) and a power transmission gear ( 38 ) mounted on the transitional transmission shaft ( 30 ), wherein the transmission gear ( 33 ) is engaged with the drive gear ( 37 ) and the power transmission gear ( 38 ) is engaged with the power output gear ( 29 ). 
     
     
         17 . The isolated refuge cabin according to  claim 16 , further comprising a speed controlling shaft ( 39 ) installed in the blower body shell ( 26 ), a speed controlling drive gear ( 40 ) mounted on the speed controlling shaft ( 39 ), a speed controlling transmission gear ( 41 ) engaged with the power output gear ( 29 ) and also engaged with the speed controlling drive gear ( 40 ), and a speed controlling mechanism ( 42 ) mounted on the speed controlling shaft ( 39 ); wherein the speed controlling mechanism ( 42 ) includes a speed controlling sheath ( 43 ) installed in the blower body shell ( 26 ), a speed controlling chuck ( 63 ) mounted on the speed controlling shaft ( 39 ), a concave groove ( 64 ) formed on the speed controlling chuck ( 63 ), a speed controlling terminal ( 44 ) installed in the concave groove ( 64 ), wherein the speed controlling chuck ( 63 ) and the speed controlling terminal ( 44 ) are both installed in the speed controlling sheath ( 43 ). 
     
     
         18 . The isolated refuge cabin according to  claim 17 , wherein the body shell ( 2 ) includes an aluminum foil layer ( 64 ), a fire-proof fabric layer ( 65 ), a rubber layer ( 66 ) and a fabric layer ( 67 ), wherein the fire-proof fabric layer ( 65 ) is disposed between the aluminum foil layer ( 64 ) and the rubber layer ( 66 ), and the rubber layer ( 66 ) is disposed between the fire-proof fabric layer ( 65 ) and the fabric layer ( 67 ).