Oxygen supply self-rescuer gas storage bottle, gas storage device and emergency oxygen supply self-rescuer

Abstract

According to the oxygen supply self-rescuer gas storage bottle, the gas storage device and the emergency oxygen supply self-rescuer, a quick opening mechanism is installed at the top of the gas storage bottle, and the quick opening mechanism comprises a hollow connector and a pressure relief inflation assembly; a throttling hole communicated with the gas storage bottle and the interior of the connector is formed in the lower end of the connector, an impact hole communicated with the interior of the connector is formed in the side portion of the connector, and a passive damage piece capable of blocking the impact hole is installed in the impact hole so that the impact hole can be rapidly broken open to release oxygen under the emergency condition; the lower end of the pressure relief inflation assembly extends into the gas storage bottle along the top of the connector, and the upper end of the pressure relief inflation assembly is located outside the connector. In an emergency, the impact hole is rapidly opened in a destroying mode, high-pressure oxygen in the impact hole is sprayed out at a high speed of 60 liters per minute and then fills the air bag, and the breathing mask is opened for emergency use. The whole process is shorter in consumed time, and the emergency can be opened within 3 seconds under the crisis condition and can be continuously used for 30 minutes.

Description

TECHNICAL FIELD

[0001] The utility model relates to life-saving breathing equipment technical field especially relates to a kind of oxygen supply self-rescuer gas cylinder and gas storage device, emergency oxygen supply self-rescuer. BACKGROUND

[0002] The compressed oxygen self-rescuer for coal mine (hereinafter referred to as self-rescuer) is the breathing protective equipment that must be worn by underground workers, which can effectively protect the underground workers from toxic and harmful gas pollution and hypoxic asphyxia disaster, and is the last line of defense for the life safety of underground workers. The self-rescuer is generally composed of an oxygen cylinder, a pressure reducer, an air bag, a gas guide tube, a mouthpiece and a waist belt.

[0003] The existing self-rescuer used in high-risk industries such as coal mine, non-coal mine, petroleum and chemical industry needs to open the oxygen in 20-30 seconds in emergency, which cannot meet the self-rescue needs in critical situations. SUMMARY

[0004] To solve the technical problems existing in the above-mentioned technology, it is necessary to provide an oxygen supply self-rescuer gas cylinder.

[0005] An oxygen supply self-rescuer gas cylinder, comprising,

[0006] A gas cylinder, the top of the gas cylinder is provided with an inlet end;

[0007] A quick opening mechanism, the quick opening mechanism includes a hollow connector, a pressure relief and inflation assembly; the connector is installed at the inlet end, the lower end of the connector is provided with a throttle hole communicating with the inside of the gas cylinder and the connector, and the side of the connector is provided with an impact hole communicating with the inside of the connector, and a passive breaking piece capable of blocking the impact hole is installed in the impact hole to quickly break the impact hole and release oxygen under emergency conditions; the lower end of the pressure relief and inflation assembly extends into the gas cylinder along the top of the connector, and the upper end is located outside the connector.

[0008] Preferably, the pressure relief and inflation assembly includes a pipe body with both ends penetrating the connector and an elastic sealing part; the lower end of the pipe body has a first flow port communicating with the inside of the gas cylinder and the pipe body, the upper part in the pipe body has a second flow port between the outside of the pipe body and the inside of the pipe body, the elastic sealing part is arranged in the pipe body and can move up and down along the axis of the pipe body, the upper end of the elastic sealing part extends out of the pipe body, and the lower end of the elastic sealing part is in contact with the lower end surface of the first flow port to block the first flow port, the elastic sealing part moves downward to connect the first flow port and the second flow port, so as to release pressure or inflate, and the elastic sealing part returns to its original position to block the connection between the first flow port and the second flow port.

[0009] Preferably, the elastic sealing part comprises a core rod and a spring; the core rod is arranged in the pipe body along the pipe body axis, the upper end and the lower end of the core rod respectively extend out of the pipe body, the upper part of the core rod is provided with an upper pressing plate capable of abutting the lower end surface of the second flow-through port to block the second flow-through port, the lower end of the core rod is provided with a lower pressing plate capable of abutting the lower end surface of the first flow-through port to block the first flow-through port, and the spring is sleeved on the core rod, the upper end of the spring abuts the lower end surface of the upper pressing plate and the lower end abuts the bottom in the pipe body.

[0010] Preferably, the upper end surfaces of the upper pressing plate and the lower pressing plate are respectively provided with a sealing gasket.

[0011] Preferably, the outer wall of the connecting head is provided with a check ring.

[0012] Preferably, the pipe body is threadedly connected with the connecting head.

[0013] Preferably, the passive destruction part is provided with a handle.

[0014] It is also necessary to provide an oxygen supply device of an oxygen supply self-rescuer.

[0015] An oxygen storage device of an oxygen supply self-rescuer comprises the oxygen storage cylinder of the oxygen supply self-rescuer and an air bag; the air bag is provided with a connecting port capable of being tightly sleeved on the connecting head.

[0016] It is also necessary to provide an emergency oxygen supply self-rescuer.

[0017] An emergency oxygen supply self-rescuer comprises an oxygen storage device of an oxygen supply self-rescuer and a breathing device; the breathing device comprises a breathing mask and a cleaning tank; the air inlet of the breathing mask is connected with the air outlet of the air bag through a hose, the air inlet of the cleaning tank is connected with the air outlet of the breathing mask through a hose, and the air outlet of the cleaning tank is connected with the air inlet of the air bag through a hose.

[0018] Preferably, the emergency oxygen supply self-rescuer further comprises a protective box for storing the oxygen storage device of the oxygen supply self-rescuer and the breathing device.

[0019] Compared with the prior art, the oxygen supply self-rescuer gas cylinder provided by the utility model adopts the quick opening mechanism installed on the top of the gas cylinder, the quick opening mechanism comprises the connecting head, the pressure relief and inflation assembly; the lower end of the connecting head is provided with the throttle hole communicating the gas cylinder and the inside of the connecting head, the side of the connecting head is provided with the impact hole communicating the inside of the connecting head, the impact hole is provided with the passive damage piece capable of blocking the impact hole, so as to quickly break the impact hole and release the oxygen under the emergency condition; the lower end of the pressure relief and inflation assembly extends into the gas cylinder along the top of the connecting head and the upper end is located outside the connecting head. Under the critical condition, the impact hole is quickly opened in the form of damage, the high-pressure oxygen in the inside is sprayed at a high speed at the airflow of 60 liters / minute and fills the air bag, and the breathing mask is opened to supply the oxygen for the emergency use. The whole process consumes less time, the emergency can be opened within 3 seconds under the crisis condition, and the continuous use can be realized for 30 minutes. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creating the creative labor.

[0021] Figure 1 It is the structure schematic view of the oxygen supply self-rescuer gas cylinder of the utility model.

[0022] Figure 2 It is the sectional structure schematic view of the oxygen supply self-rescuer gas cylinder of the utility model.

[0023] Figure 3 It is the structure schematic view of the oxygen supply self-rescuer gas device of the utility model. Figure 1 It is the local enlarged view of A in the utility model.

[0024] Figure 4 It is the structure schematic view of the air bag of the utility model.

[0025] Figure 5 It is the structure schematic view of the air bag of the utility model.

[0026] Figure 6 It is the structure schematic view of the emergency oxygen supply self-rescuer of the utility model.

[0027] In the drawing: gas cylinder 01, quick opening mechanism 02, connecting head 21, throttle hole 211, passive damage piece 212, baffle ring 213, handle 214, pressure relief and inflation assembly 22, pipe body 221, elastic sealing part 222, core rod 2221, spring 2222, upper pressing plate 2223, lower pressing plate 2224, first flow-through port 223, second flow-through port 224, air bag 03, connecting port 31, breathing mask 04, cleaning tank 05, protection box 06. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In the description of the utility model, it is understood that the terms "upper", "middle", "outer", "inner", "lower" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] Please refer to Figures 1 to 3 The utility model provides a kind of oxygen self-rescuer gas cylinder, including gas cylinder 01, and quick opening mechanism 02;

[0031] Wherein, the top of gas cylinder 01 is provided with import end;

[0032] Wherein, quick opening mechanism 02 includes internally hollow connector 21, pressure relief and inflation assembly 22;Connector 21 is installed in import end, and the lower end of connector 21 is provided with throttle hole 211 that is communicated with the inside of gas cylinder 01 and connector 21, and throttle hole 211 can limit oxygen flow rate, and the flow rate of 1.2 liters / minute is stably discharged, to ensure 30 minutes normal ventilation.The side of connector 21 is provided with impact hole communicated with the inside of connector 21, and passive destruction piece 212 that can block impact hole is installed in impact hole, and the material of passive destruction piece 212 is rubber plug / silicone plug (with pre-cut slot design), so that oxygen can be quickly released in emergency conditions by breaking impact hole.Pressure relief and inflation assembly 22 lower end extends into gas cylinder 01 along the top of connector 21 and upper end is located outside connector 21;When inflating or pressure relief, pressure relief and inflation assembly 22 can be opened to realize inflation or pressure relief operation.

[0033] In critical situation, impact hole is quickly opened in the form of destruction, and high-pressure oxygen in its inside is sprayed at 60 liters / minute airflow high speed to fill air bag 03, and breathing mask 04 is opened to supply emergency use.The whole process consumes less time, and use in crisis situation can open emergency in 3 seconds, and can be used continuously for 30 minutes.

[0034] In one embodiment, the pressure relief and inflation assembly 22 comprises a tube body 221 penetrating the connector 21 at both ends, and an elastic sealing part 222; the lower end of the tube body 221 is provided with a lower blocking plate, and the lower blocking plate is provided with a first flow-through opening 223 communicating with the gas cylinder 01 and the tube body 221; the upper part of the tube body 221 is provided with an upper blocking plate, and the upper blocking plate is provided with a second flow-through opening 224; the elastic sealing part 222 is arranged in the tube body 221 and can move up and down along the axis of the tube body 221; the upper end of the elastic sealing part 222 extends out of the upper blocking plate, and the lower end of the elastic sealing part 222 is in close contact with the lower end surface of the lower blocking plate, thereby sealing the first flow-through opening 223. When the elastic sealing part 222 is pressed to move downward, the lower end of the elastic sealing part 222 is out of contact with the lower end surface of the lower blocking plate, and the first flow-through opening 223 and the second flow-through opening 224 are communicated, at which time the pressure relief or inflation operation can be performed; when the elastic sealing part 222 is released to return to the original position, the lower end of the elastic sealing part 222 is in close contact with the lower end surface of the lower blocking plate, and the first flow-through opening 223 and the second flow-through opening 224 are blocked, thereby preventing the oxygen from being discharged.

[0035] More specifically, the elastic sealing part 222 comprises a core rod 2221 and a spring 2222; the core rod 2221 is arranged in the tube body 221 along the axis of the tube body 221, the upper end and the lower end of the core rod 2221 extend out of the upper blocking plate and the lower blocking plate respectively, the upper part of the core rod 2221 is provided with an upper pressing plate 2223 capable of being in close contact with the lower end surface of the upper blocking plate, the upper blocking plate can limit the upper limit displacement of the upper pressing plate 2223 and ensure that the upper pressing plate 2223 can be in close contact to block the second flow-through opening 224; the lower end of the core rod 2221 is provided with a lower pressing plate 2224 capable of being in close contact with the lower end surface of the lower blocking plate, the spring 2222 is sleeved on the core rod 2221, the upper end of the spring 2222 abuts against the upper pressing plate 2223 and the lower end of the spring 2222 abuts against the lower blocking plate. When inflation is needed, the core rod 2221 is pressed to move downward, the upper pressing plate 2223 is out of contact with the second flow-through opening 224, and the lower pressing plate 2224 is out of contact with the first flow-through opening 223, at which time the first flow-through opening 223 and the second flow-through opening 224 communicate the gas cylinder 01 with the external gas source, and the inflation operation can be realized; after the inflation is completed, the gas source is disconnected, and the core rod 2221 moves upward under the action of the restoring force of the spring 2222, the upper pressing plate 2223 blocks the second flow-through opening 224, and the lower pressing plate 2224 blocks the first flow-through opening 223, thereby preventing the oxygen from being discharged.

[0036] Of course, to ensure more effective sealing effect, sealing pads are arranged on the upper end surfaces of the upper pressing plate 2223 and the lower pressing plate 2224, and the sealing pads can be made of rubber material.

[0037] In addition, a stop ring 213 is arranged on the outer wall of the connector 21, which can limit the tightening limit position of the connector 21. Of course, to better seal, a sealing pad can also be installed on the lower end surface of the stop ring 213.

[0038] The pipe body 221 is connected with the connecting head 21 in a threaded connection mode for facilitating installation and dismounting.

[0039] In an embodiment, a handle 214 is arranged on the passive destruction member 212 to ensure that the passive destruction member 212 can be destroyed.

[0040] Referring to Figures 1 to 5 In an embodiment, the utility model further provides an oxygen supply self-rescuer gas storage device, which comprises the oxygen supply self-rescuer gas cylinder and a gas bag 03; the gas bag 03 is provided with a connecting port 31 capable of being tightly sleeved on the connecting head 21; after the connecting port 31 is sleeved on the connecting head 21, the retaining ring 213 on the outer wall of the connecting head 21 can ensure a certain sealing effect of the connecting port 31.

[0041] Referring to Figures 1 to 6 In an embodiment, the utility model further provides an emergency oxygen supply self-rescuer, which comprises the oxygen supply self-rescuer gas storage device and a breathing device; the breathing device comprises a breathing mask 04 and a cleaning tank 05; the air inlet of the breathing mask 04 is communicated with the air outlet of the gas bag 03 through a hose, the air inlet of the cleaning tank 05 is communicated with the air outlet of the breathing mask 04 through a hose, and the air outlet of the cleaning tank 05 is communicated with the air inlet of the gas bag 03 through a hose. CaOH particles are filled in the cleaning tank 05; the waste gas containing CO2 exhaled by a wearer passes through the CaOH particles in the tank body in sequence, so that the CO2 in the waste gas is absorbed, the remaining gas is filled into the gas bag 03 again for recycling, and the use of oxygen is maximized.

[0042] The oxygen supply self-rescuer gas storage device and the breathing device are stored in the protection box 06, and are opened only when used. When not used, the gas bag 03 is not inflated and can be folded together with the breathing mask 04 and placed in the protection box 06.

[0043] The above only discloses preferred embodiments of the utility model, and of course cannot limit the scope of the utility model, and those skilled in the art can understand that all or part of the processes of the above embodiments can be implemented, and equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

Claims

1. An oxygen cylinder for an oxygen self-rescuer, characterized in that: include, A gas storage cylinder, wherein an inlet end is provided at the top of the gas storage cylinder; The quick-opening mechanism includes a hollow connector and a pressure relief and inflation assembly. The connector is installed at the inlet end, and the lower end of the connector has a throttling orifice connecting the gas storage cylinder and the interior of the connector. The side of the connector has an impact hole connecting the interior of the connector, and a passive breaking element that can seal the impact hole is installed in the impact hole to quickly break the impact hole and release oxygen under emergency conditions. The lower end of the pressure relief and inflation assembly extends into the gas storage cylinder along the top of the connector, and the upper end is located outside the connector.

2. The oxygen supply, self-rescuer cylinder of claim 1, wherein: The pressure relief and inflation assembly includes a tube with connectors at both ends and an elastic sealing part. The lower end of the tube has a first flow port connecting the gas storage cylinder and the inside of the tube. The upper part of the tube has a second flow port connecting the outside and inside of the tube. The elastic sealing part is disposed in the tube and can move up and down along the axis of the tube. The upper end of the elastic sealing part extends out of the tube and the lower end fits against the lower end face of the first flow port to block the first flow port. When the elastic sealing part moves down, it can connect the first flow port and the second flow port to relieve pressure or inflate. When the elastic sealing part returns to its original position, it can block the connection between the first flow port and the second flow port.

3. The oxygen supply, self-rescuer cylinder of claim 2, wherein: The elastic sealing part includes a core rod and a spring; the core rod is arranged in the tube body along the tube body axis, with the upper end and lower end of the core rod extending out of the tube body respectively. The upper part of the core rod is provided with an upper pressure plate that can fit against the lower end face of the second flow port to block the second flow port, and the lower end of the core rod is provided with a lower pressure plate that can fit against the lower end face of the first flow port to block the first flow port. The spring is fitted on the core rod, with the upper end of the spring abutting against the lower end face of the upper pressure plate and the lower end abutting against the bottom of the tube body.

4. The oxygen supply, self-rescuer cylinder of claim 3, wherein: Sealing gaskets are provided on the upper end surfaces of both the upper and lower pressure plates.

5. The oxygen supply, self-rescuer cylinder of claim 4, wherein: A retaining ring is provided on the outer wall of the connector.

6. The oxygen supply, self-rescuer cylinder of claim 2, wherein: The tube body is threadedly connected to the connector.

7. The oxygen supply, self-rescuer cylinder of claim 1, wherein: The passively destructive component is equipped with a handle.

8. An oxygen supply device for a self-rescuer, characterized in that: It includes the oxygen supply self-rescue device storage cylinder and the air bag as described in any one of claims 1-7; the air bag is provided with a connection port that can be sealed and fitted onto the connector.

9. An emergency oxygen supply self-rescuer, characterized in that: The device includes the oxygen supply self-rescue device storage device as described in claim 8, and a breathing device; the breathing device includes a breathing mask and a cleaning canister; the air inlet of the breathing mask is connected to the air outlet of the air bag through a hose, the air inlet of the cleaning canister is connected to the exhalation port of the breathing mask through a hose, and the air outlet of the cleaning canister is connected to the air inlet of the air bag through a hose.

10. The emergency oxygen supply self-rescuer of claim 9, wherein: It also includes a protective box for storing the oxygen self-rescue device's gas storage unit and the breathing apparatus.

Images