CN2202406Y - Self-saving helmet - Google Patents

Abstract

The utility model relates to a self-saving helmet, which comprises a helmet shell, a lining, a goggle and an elastic belt which is arranged on the jaw opening of the helmet. The utility model is characterized in that the interlayer of the lining and the buffering support are provided with an oxygen receiver, the outer layer of the buffering support is provided with a thermal insulation helmet shell, a tee joint regulating handle is arranged on the lower part of the double-layer eyepiece, a three-way valve is arranged in the breathing respirator, and an alarm device is arranged on the neighbouring point with the inflated and safe dual-purpose valve which is arranged on one side of the jaw opening of the helmet. A tee joint handle is positioned on the atmosphere position when the helmet is put on in normal working hour, and the air is filtered by smoke dust filtering box and is breathed. In particular cases as the outside world is hypoxia or has toxic gases, the oxygen valve is opened, and the atmospheric valve is automatic closing with the rotation of the tee joint handle and alarms at the same time.

Description

Self-saving helmet

The utility model relates to a kind of Self-saving helmet, is applicable to that the personnel when high-rise catches fire save oneself and fire fighter's use.

The existing helmet is of all kinds, and as Head-protecting ring, patent No. 92226807.X is the ring that is surrounded by the plastic hollow bourdon tube, band is around head, when positions such as temple, hindbrain are collided, damping protective action is significantly arranged, can make the various cranium caps that protect with this head circle.Its shortcoming is: can only play and protect the cranium effect, but when running into special circumstances, as fire fighting, sootiness is choked to such an extent that the people is suffocated very soon, can't save oneself.

The utility model proposes adiabatic, the oxygenation of a kind of helmet energy at above-mentioned shortcoming, breathes freely the Self-saving helmet that can report to the police again simultaneously.

Task of the present utility model is finished like this, it is by the helmet shell, lining, goggles, opening part at the helmet has telescopic band, it is characterized in that: lining is an oxygen container with the interlayer that buffering supports, supporting skin in buffering is adiabatic helmet shell, it below double-deck eyepiece the threeway regulating handle, respirator is corresponding with nose, triple valve is arranged in the respirator, oxygen hose links to each other with oxygen container, and what communicate with air pipe is flue dust filter box, in the flue dust filter box air admission hole is arranged, below filter box air admission hole is outgassing nonreturn valve, warning device is contained in the inflatable safety dual-purpose valve adjacent of helmet opening part one side, lead draw with the triple valve regulating handle on conducting strip connect inflation, safe dual-purpose valve is by valve body, the center of valve body is by stalloy, the pressure limiting spring is formed, and on the cylindrical of valve body bleeder port is arranged.Air-breathing triple valve is made up of valve casing, handle, valve body, and handle can the left and right directions rotation.The exhalation vents check valve is made up of valve body, stalloy and connecting pin, can only exhale, can not air inlet.

The utlity model has following effect: generally, breathe the threeway regulating handle in the atmosphere position, when putting on Self-saving helmet, suction be that flue dust filter box filters not the outside air with flue dust, if any special circumstances, extraneous anoxic during toxic gas, is opened oxygen valve, atmos-valve cuts out, oxygen intake, and warning simultaneously at once can not cause life danger.

Fig. 1 is a front view of the present utility model;

Fig. 2 is a vertical view of the present utility model;

Fig. 3 is the structural representation of air-breathing triple valve of the present utility model;

Fig. 4 is the structural representation of expiratory one-way valve of the present utility model;

Fig. 5 is the structural representation of inflation of the present utility model, safe dual-purpose valve.

Describe embodiment in detail in conjunction with above accompanying drawing.Self-saving helmet is formed by three layers, the helmet shell is an insulated case 3, interlayer at helmet shell 3 and lining 12 is a sealing oxygen container 2, lining has absorbing sweat sponge 16, between oxygen container 2 and adiabatic helmet shell 3, be added with buffering and support 15, one side opening place of helmet shell 3 is inflations, safe dual-purpose valve 13, with its adjacent be that warning device 14 usefulness screws are fixed on buffering and support 15 spaces, the conducting strip of drawing on lead and the triple valve regulating handle 8 is connected, the opening part of helmet shell 3 is connected with telescopic fire retardant cover 17, with the eyes corresponding position be double-deck eyepiece 1, use, following screw is fixed on the helmet shell 3, at double-deck eyepiece is for 1 time triple valve regulating handle 8, respirator 4 is corresponding with nose, 4 li air inlet triple valve 9 is arranged at respirator, link to each other with pneumatic hose between oxygen hose 5 and the oxygen container 2, air pipe 10 communicates with flue dust filter box 6, flue dust filter box has filter box air admission hole 11 for 6 li, below the filter box air admission hole 11 is outgassing nonreturn valve 7, and triple valve regulating handle 8 is by valve body 18, atmosphere air inlet 19, oxygen air inlet 20, valve casing 21, handle trip bolt 22, limited block 23,24 form.Inflatable safety dual-purpose valve 13 is made up of valve body 26, air-filled pore 27, steel disc 28, limit spring 29, slide block 30, steel disc 31, oxygen fills into by air-filled pore 27, the unidirectional steel disc 31 of hollow slide block 30 heads and steel disc 28 can stop the oxygen outflow, when the air pressure in the oxygen container 2 surpasses regulation, air pressure compressing slide block 30 is downward, discharge by bleeder port 25, pressure limiting spring 29 just often promotes slide block 30 upwards at the oxygen container internal gas pressure, and losing heart stops.When putting on the helmet, outside air is breathed through flue dust filter box 6, as in case of emergency, when extraneous anoxic or toxic gas, threeway regulating handle 8 is opened to the right, and conducting strip is connected simultaneously, reports to the police, atmosphere is along with opening automatically of threeway regulating handle 8 closed, oxygen intake is adjusted to vertical direction as threeway regulating handle 8, air pipe and oxygen hose are half-open, semi-closure state, oxygen is not enough or use up after, can be again from inflation, 13 inflations of safe dual-purpose valve.

Claims (2)

1, Self-saving helmet, it is by the helmet shell, lining, goggles, the opening part of the helmet has telescopic band, it is characterized in that: lining is an oxygen container with the interlayer that buffering supports, supporting skin in buffering is adiabatic helmet shell, it under double-deck eyepiece the threeway regulating handle, triple valve is arranged in the respirator, link to each other with pneumatic hose between oxygen hose and the oxygen container, what communicate with air pipe is flue dust filter box, below flue dust filter box is outgassing nonreturn valve, the inflatable safety dual-purpose valve adjacent lead that warning device is contained in helmet opening part one side draw with the triple valve regulating handle on conducting strip connect.

2, Self-saving helmet according to claim 1 is characterized in that: there is bleeder port in the valve body outside of inflation, safe dual-purpose valve.

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