Inflation sealing device for oxygen cabin vehicle

Abstract

The utility model relates to the technical field of oxygen cabin vehicles, in particular to an inflatable sealing device for an oxygen cabin vehicle, which comprises a cabin door frame and a cabin door, an inflatable sealing mechanism is arranged on the cabin door frame, the inflatable sealing mechanism comprises a sealing strip, an air pipe and a pipeline joint, a groove is arranged on the cabin door frame, and a connecting pipe through hole is arranged on the cabin door frame. One end of the air pipe penetrates through the through hole of the connecting pipe and is fixedly connected with the air conveying opening in the sealing strip in a sealed mode, the other end of the air pipe is connected with one end of the pipeline connector, the other end of the pipeline connector is connected with an air source, and the other end of the pipeline connector is an exhaust end. The cabin door is connected with the cabin door frame in a sealing mode through the sealing strip, the exhaust end of the pipeline connector is provided with a manual valve, the cabin door frame is provided with a controller, and the air pipe is fixedly provided with a control valve. The cabin door sealing device is ingenious in structure, good in cabin door sealing performance and convenient to open, and the sealing strip is long in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen cabin car technical field, specifically point to a kind of for the inflation sealing device of oxygen cabin car. BACKGROUND

[0002] At present, most plateau hyperbaric oxygen cabin car door is inside opening type, the advantages of this door structure type are that after the pressurization in cabin, door body is pressed and contacts sealing strip more closely, guarantee the air tightness in cabin, but when door is opened, it will occupy the size of space in cabin, and the old problems such as space size occupied and personnel operation inconvenience can be solved by using outside opening door type, the traditional sealing structure is all in the form of door plate extruding sealing strip, the shortcomings of this sealing are: first, the tighter the locking pressure of door plate, the better the sealing effect, but the tighter the pressure between door and sealing strip, the more difficult the door is opened, and sealing strip is also easy to be damaged;Second, the tighter the extrusion between door frame and sealing strip, the greater the deformation of sealing strip, after long-term use, the sealing property of sealing strip decreases, and even it can be invalid. SUMMARY

[0003] The utility model aims at solving prior art insufficient, provide a kind of for the inflation sealing device of oxygen cabin car, which is ingenious in structure, cabin door sealing property is good, cabin door is easy to open, and sealing strip service life is long.

[0004] To achieve the above object, the technical scheme adopted by the utility model is:

[0005] A kind of for the inflation sealing device of oxygen cabin car, including cabin door frame and cabin door, characterized by: the inflation sealing mechanism is equipped on the cabin door frame, the inflation sealing mechanism includes sealing strip, gas pipe, pipe joint,

[0006] The recess is equipped on the cabin door frame, the connecting pipe perforation is equipped on the cabin door frame, the sealing strip is equipped in the recess, the sealing strip is hollow, gas inlet is equipped on the sealing strip, the sealing strip is embedded in recess and is fixedly connected with cabin door frame, the gas pipe one end passes through connecting pipe perforation and is fixedly connected with the gas inlet on the sealing strip, the gas pipe other end is connected with the one end of pipe joint, the other end of pipe joint is connected with gas source, and the other end of pipe joint is exhaust end, the sealing strip is projected from recess after being inflated, and the cabin door is sealingly connected with the cabin door frame by the sealing strip.To facilitate the inflation of sealing strip after the closure of cabin door, realize the sealing locking of cabin door, when opening cabin door, the sealing strip is relieved, and cabin door is opened.

[0007] The exhaust end of the pipe joint of the utility model is equipped with a hand valve, the hand valve is connected with the pipe joint through pipe, to facilitate the opening of hand valve manually when control valve fails, realize the relief of sealing strip, and open cabin door.

[0008] The utility model discloses a hatch door frame is equipped with the controller on, the controller is fixedly connected with hatch door frame, the control valve is fixed on the trachea, the control valve is connected with the controller, to control the air source through control valve and fill the air in the sealing strip, realize the hatch door sealing, or realize the hatch door opening through the control valve and control the sealing strip and exhaust to the outside.

[0009] The utility model discloses a gas source is connected with pipeline joint through air inlet pipeline, be equipped with pressure sensor on the air inlet pipeline, pressure sensor is connected with the controller, to monitor the pressure in the sealing strip through pressure sensor, when the pressure in the sealing strip is deficient, fills the air in the sealing strip through the gas source.

[0010] The utility model discloses be equipped with pressure regulating valve on the air inlet pipeline, pressure regulating valve is connected with the controller, to adjust the pressure of gas source output gas through pressure regulating valve, so that better for the sealing strip and fill the air, in addition, pressure regulating valve can also filter the impurity in the gas source output gas.

[0011] The utility model discloses since adopting the above -mentioned structure, have the clever structure, hatch door sealing property is good, hatch door open convenient, sealing strip service life is long and so on advantage. DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the utility model.

[0013] Figure 2 It is the front view of the utility model.

[0014] Figure 3 It is the plan view of the utility model.

[0015] Figure 4 It is the schematic diagram that sealing strip fills the air and is sealed with hatch door connection after the utility model.

[0016] Sign significance: hatch door frame 1, hatch door 2, inflation sealing mechanism 3, sealing strip 4, trachea 5, pipeline joint 6, gas source 7, hand valve 8, control valve 9, air inlet pipeline 10, pressure sensor 11, pressure regulating valve 12. CONCRETE IMPLEMENTING METHOD

[0017] The specific implementing method of the utility model is described in further detail below in combination with the drawings.

[0018] A kind of inflation sealing device for oxygen cabin car, including hatch door frame 1 and hatch door 2, it is characterized in that: the hatch door frame 1 is equipped with inflation sealing mechanism 3, the inflation sealing mechanism 3 includes sealing strip 4, trachea 5, pipeline joint 6,

[0019] The cabin door frame 1 is provided with a recess, the cabin door frame 1 is provided with a connecting pipe perforation, the recess is provided with a sealing strip 4, the sealing strip 4 is hollow, the sealing strip 4 is provided with a gas inlet, the sealing strip 4 is embedded in the recess and is fixedly connected with the cabin door frame 1, one end of the gas pipe 5 is fixedly connected with the gas inlet of the sealing strip 4 through the connecting pipe perforation, the other end of the gas pipe 5 is connected with one end of the pipeline joint 6, the other end of the pipeline joint 6 is connected with the gas source 7, and the other end of the pipeline joint 6 is an exhaust end, the sealing strip 4 protrudes from the recess after being inflated, the cabin door 2 is sealingly connected with the cabin door frame 1 through the sealing strip 4, so that the sealing strip is inflated after the cabin door is closed, the sealing of the cabin door is realized, and when the cabin door is opened, the sealing strip is depressurized, and the cabin door is opened.

[0020] The exhaust end of the pipeline joint 6 is provided with a manual valve 8, the manual valve 8 is connected with the pipeline joint 6 through a pipeline, so that when a fault occurs, the manual valve is manually opened, the sealing strip is depressurized, and the cabin door is opened.

[0021] The cabin door frame 1 is provided with a controller, the controller is fixedly connected with the cabin door frame 1, a control valve 9 is fixedly arranged on the gas pipe 5, and the control valve 9 is connected with the controller, so that the control valve is used for controlling the gas source to inflate the sealing strip, the sealing of the cabin door is realized, or the control valve is used for controlling the sealing strip to exhaust, and the cabin door is opened.

[0022] The gas source 7 is connected with the pipeline joint 6 through an air inlet pipeline 10, the air inlet pipeline 10 is provided with a pressure sensor 11, the pressure sensor 11 is connected with the controller, so that the pressure sensor is used for monitoring the pressure in the sealing strip at any time, and when the pressure in the sealing strip is insufficient, the gas source is used for inflating the sealing strip.

[0023] The air inlet pipeline 10 is provided with a pressure regulating valve 12, the pressure regulating valve 12 is connected with the controller, so that the pressure regulating valve is used for regulating the pressure of the gas output by the gas source, so that the sealing strip is better inflated, and in addition, the pressure regulating valve can also filter impurities in the gas output by the gas source.

[0024] As shown in the accompanying drawings, Figures 1-4 The oxygen cabin vehicle is an oxygen cabin vehicle in the prior art, the cabin door structure of the oxygen cabin vehicle adopts an outward opening mode, one end of the cabin door can be hingedly connected with the cabin door frame, the other end can be connected with the cabin door frame in a locking mode through a door lock, or other existing fixing modes can be adopted, and details are not described herein, the controller in the utility model adopts a PLC controller, the control valve 9, the pressure sensor 11 and the pressure regulating valve 12 are all connected with the controller, the control valve 9 can adopt an electromagnetic valve,

[0025] The utility model discloses a recess is provided on the door frame of cabin door, and a sealing strip is arranged in the recess, the sealing strip is hollow, and a gas cavity is arranged in the sealing strip, so that the sealing strip can be inflated or deflated through the gas inlet, after the sealing strip is inflated, the sealing strip protrudes from the recess, so that the sealing strip tightly abuts against the cabin door, and sealing is realized, and after the sealing strip is deflated, the sealing strip is retracted into the recess, the sealing strip does not protrude from the recess, and the sealing strip is separated from the cabin door, so that the cabin door can be opened quickly and conveniently.

[0026] The utility model discloses a recess is provided on the door frame of cabin door, and a sealing strip is arranged in the recess, the sealing strip is hollow, and a gas cavity is arranged in the sealing strip, so that the sealing strip can be inflated or deflated through the gas inlet, after the sealing strip is inflated, the sealing strip protrudes from the recess, so that the sealing strip tightly abuts against the cabin door, and sealing is realized, and after the sealing strip is deflated, the sealing strip is retracted into the recess, the sealing strip does not protrude from the recess, and the sealing strip is separated from the cabin door, so that the cabin door can be opened quickly and conveniently.

[0027] Before the cabin door is opened, the electromagnetic iron of the other end of control valve 9 is electrified and reverses, and the sealing strip 4 starts to deflate, and the gas is discharged from the exhaust end of pipeline joint 6, and the protruding surface of sealing strip 4 is retracted to be flush with the recess, so that the cabin door can be opened.

[0028] When the system is powered off and fails, for example, the pressure sensor 11 or control valve 9 is damaged or an emergency occurs, the manual valve 8 is manually opened, the gas in the sealing strip 4 is discharged through the gas pipe 5, the pipeline joint 6 and the manual valve 8, the protruding surface of the sealing strip 4 is retracted to be flush with the recess, the sealing strip 4 is separated from the cabin door, and the cabin door can be opened.

[0029] The utility model discloses a recess is provided on the door frame of cabin door, and a sealing strip is arranged in the recess, the sealing strip is hollow, and a gas cavity is arranged in the sealing strip, so that the sealing strip can be inflated or deflated through the gas inlet, after the sealing strip is inflated, the sealing strip protrudes from the recess, so that the sealing strip tightly abuts against the cabin door, and sealing is realized, and after the sealing strip is deflated, the sealing strip is retracted into the recess, the sealing strip does not protrude from the recess, and the sealing strip is separated from the cabin door, so that the cabin door can be opened quickly and conveniently.

[0030] The utility model discloses a recess is provided on the door frame of cabin door, and a sealing strip is arranged in the recess, the sealing strip is hollow, and a gas cavity is arranged in the sealing strip, so that the sealing strip can be inflated or deflated through the gas inlet, after the sealing strip is inflated, the sealing strip protrudes from the recess, so that the sealing strip tightly abuts against the cabin door, and sealing is realized, and after the sealing strip is deflated, the sealing strip is retracted into the recess, the sealing strip does not protrude from the recess, and the sealing strip is separated from the cabin door, so that the cabin door can be opened quickly and conveniently.

Claims

1. An inflatable sealing device for a hyperbaric chamber vehicle comprising a chamber door frame (1) and a chamber door (2), characterized in that: The cabin door frame (1) is provided with an inflatable sealing mechanism (3), the inflatable sealing mechanism (3) comprises a sealing strip (4), an air pipe (5) and a pipe joint (6), the cabin door frame (1) is provided with a recess, the cabin door frame (1) is provided with a connecting pipe perforation, the recess is provided with the sealing strip (4), the sealing strip (4) is hollow, the sealing strip (4) is provided with a gas inlet, the sealing strip (4) is embedded in the recess and is fixedly connected with the cabin door frame (1), one end of the air pipe (5) passes through the connecting pipe perforation and is fixedly connected with the gas inlet of the sealing strip (4), the other end of the air pipe (5) is connected with one end of the pipe joint (6), the other end of the pipe joint (6) is connected with a gas source (7), the other end of the pipe joint (6) is an exhaust end, the sealing strip (4) protrudes from the recess after being inflated, and the cabin door (2) is sealingly connected with the cabin door frame (1) through the sealing strip (4).

2. An inflatable seal for an oxygen cabin vehicle as defined in claim 1, wherein: The exhaust end of the pipe joint (6) is provided with a hand valve (8), and the hand valve (8) is connected with the pipe joint (6) through a pipeline.

3. An inflatable seal for an oxygen cabin vehicle as claimed in claim 1 or 2, wherein: The cabin door frame (1) is provided with a controller, the controller is fixedly connected with the cabin door frame (1), and the air pipe (5) is fixedly provided with a control valve (9), and the control valve (9) is connected with the controller.

4. An inflatable seal for an oxygen cabin vehicle as defined in claim 3, wherein: The gas source (7) is connected with the pipe joint (6) through an air inlet pipeline (10), and the air inlet pipeline (10) is provided with a pressure sensor (11), and the pressure sensor (11) is connected with the controller.

5. An inflatable seal for an oxygen cabin vehicle as defined in claim 4, wherein: The air inlet pipeline (10) is provided with a pressure regulating valve (12), and the pressure regulating valve (12) is connected with the controller.

Images