WO2021185392A1

WO2021185392A1 - A hanging fire extinguisher

Info

Publication number: WO2021185392A1
Application number: PCT/CZ2021/000011
Authority: WO
Inventors: Přemysl Kokeš
Original assignee: Ampla A.S.
Priority date: 2020-03-18
Filing date: 2021-03-16
Publication date: 2021-09-23
Also published as: CZ2020148A3

Abstract

The hanging fire extinguisher comprises a shell with a tank (15) containing the extinguishing medium, a gripping means (16, 16a) for gripping the fire extinguisher, and an outlet nozzle (21) for spraying the extinguishing medium towards the object being extinguished, whereas the shell (12) of the fire extinguisher (11) is of a flat shape, on the inner side (13) of which, facing away from the object being extinguished, a tank (15) and a gripping means (16, 16a) are arranged and on the outer side (14) of which, facing the object being extinguished, at least one outlet nozzle (21) is lead out. The shell (12) of the fire extinguisher (11) may be of a convex shape in the direction towards the object being extinguished. The shell (12) of the fire extinguisher (11) may be fitted with a hanging pivot means for swinging around the axis (a) parallel to the hanging wall (1).

Description

A hanging fire extinguisher

Area of technology

The invention concerns a hanging fire extinguisher, coraprising a shell with a tank containing the extinguishing medium, a gripping means for gripping the fire extinguisher, and a outlet nozzle for spraying the extinguishing medium towards the object being extinguished.

State of the art

Fire extinguishers known so far are in the shape of a vessel that stores the extinguishing medium. Extinguishing media are so far exclusively stored using enclosed cylindrical vessels welded into one piece consisting of a cylindrical shell, a bottom and a cap. The cap of the cylindrical vessel comprises an opening for extinguishing medium outlet, fitted with an outlet valve with a closure. The extinguishing medium is released towards the object being extinguished via the outlet valve or an adjacent pressure hose. The fire extinguisher is usually gripped using a gripping lug, usually welded onto the cap or the cylindrical shell. The fire extinguisher is usually hung on the hanging wall using a bracket, connected firmly with the carrying wall and comprising two open sleeves comprising arms, between which the fire extinguisher is clamped and fastened using fastening straps.

A substantial disadvantage of existing fire extinguishers is their cylindrical shape, which necessarily has a diameter large enough to hold a sufficient quantity of the extinguishing medium. Aesthetic reasons and the large diameter of the cylindrical fire extinguisher are an obstacle to fire extinguisher installation in visible areas of indoor rooms, which is why fire extinguishers are placed in less busy areas of corridors or frequently at the margins of inner spaces. Existing cylindrical fire extinguishers are difficult to remove from the bracket on the carrying wall, because the gripping lug needs to be at the upper end of the cylinder near the outlet valve. It is therefore necessary to first release the fire extinguisher from the arms of the bracket on the carrying wall, remove the cylindrical body of the fire extinguisher and then grip the fire extinguisher by the gripping lug and make it ready for extanguishing. Extinguishing a fire is not easy due to the difficulty holding the cylindrical fire extinguisher during a fire, and because the fire extinguisher is lifted with one arm, while the other arm aims the extinguishing nose at the fire. To be able to control the extinguishing medium quantity while extinguishing, the fire extinguisher has to be fitted with a pressure hose, having a control and closure valve at the end. In such a case, the operator has to hold the fire extinguisher with their other hand, which is very strenuous.

Essence of the invention

The objective of the invention is to provide a wall-mounted fire extinguisher that will be suitable for hanging in residential rooms, easy to remove from the hanging wall, easier to grasp by the operator in the case of sudden need as well as while extinguishing a fire, easier to operate and allowing easy and reliable control over the fire extinguisher quantity.

The shortcomings of the state of the art are eliminated to a great extent and the objective of the invention is met by a hanging fire extinguisher comprising a shell with a tank containing the extinguishing medium, a gripping means for gripping the fire extinguisher and an outlet nozzle for spraying one extinguishing medium towards the object being extinguished, according to the invention, the essence of which consists in the fire extinguisher shell being of a flat shape, on the inner side facing away from the object being extinguished a tank and a gripping means are arranged, and on the outer side facing the object being extinguished at least one outlet nozzle being lead

At an advantage, the tank can cover a part of the surface of the inner side of the shell, and the gripping means can be provided in the remaining part of the surface of the inner side of the shell. At an advantage, the outlet nozzle can be provided at the centre of the surface of the outer side of the shell, or outlet nozzles are provided along the perimeter of the outer side of the shell. At an advantage, the fire extinguisher shell can be of a convex shape towards the object being extinguished. At an advantage, the transverse cross section of the tanks can be drop-shaped and the rounded front end of the tanks can face the centre of the shell. At an advantage, the fire extinguisher shell can be fitted with a hanging pivot means for swinging around the axis parallel to the hanging wall.

The advantages of the wall-mounted fire extinguisher according to the invention consist in a shape suitable for hanging on the hanging wall, the possibility of an advantageous swinging of the fire extinguisher when removing it off the hanging wall, easy removal off the hanging wall, easy gripping by the operator, protection of the operator while extinguishing a fire, easy and reliable setting and control of the quantity of extinguishing medium being sprayed, and small dimensions, allowing operation by smaller persons. Another advantage of the fire extinguisher according to the invention application being consulted is the possibility to provide extinguishing medium tanks on the side of the fiat fire extinguisher shell facing away from the object being extinguished. The fiat shape of the shell protects the tanks and other parts of the fire extinguisher better from the thermal radiation of the object being extinguished. It is also possible to replace the tanks while retaining the shell and other parts of the fire extinguisher. Placement of the fire extinguisher tanks on the side of the flat fire extinguisher shell facing away from the object being extinguished enables free choice of shape and arrangement of the tanks and the gripping means. Overview of figures in the drawings

The wall-mounted fire extinguisher according to the invention is illustrated using drawings, denoting the following. Fig. 1 shows a vertical transverse cross section with the valve and lever for controlling the extinguishing medium quantity.

Fig, 2 shows a side view of the wall-mounted fire extinguisher with the gripping means and fire extinguisher tanks.

Fig. 3 shows is view of the inner side of the shell.

Fig. 4 shows a floor plan view of the wall-mounted fire extinguisher mounted rotationally around its vertical axis, in the position adjacent to the hanging wall.

Fig. 5 shows a floor plan view of the wall-mounted fire extinguisher mounted rotationally around its vertical axis, in the position tilted away from the hanging wail.

Fig. 6 shows a side view of the wall-mounted fire extinguisher mounted rotationally on a swinging arm around its horizontal axis, in the position adjacent to the hanging wail.

Fig. 7 shows a side view of the wall-mounted fire extinguisher mounted rotationally on a swinging arm around its horizontal axis, in the position tilted away from the hanging wall.

Example embodiment of the invention

According to Fig. 1, the wail-mounted fire extinguisher 11 comprises a shell 12 in the vertical lateral transverse cross section, convex towards the object being extinguished in this case. The outer side 14, facing the object being extinguished, contains the outlet nozzle 21, provided at the centre, at the top of the rounded flat shell 12 in this case. The inner side 13 of the shell 12, facing away from the object being extinguished, has the tanks 15 containing the extinguishing medium. The tanks 15 are drop-shaped in the transverse cross section and are arranged facing each other with the rounded end of the drop shape , towards the centre of the shell 12. The drop shapes of the extinguishing medium tanks 15 efficiently fill the hollow inner space of the shell 12. The tanks 15 are connected by a connecting pipe 22, which simultaneously comprises the second gripping means 16a. The connecting pipe 22 is linked via the outlet pipe 17 to the outlet nozzle 21, discharging on the outer side 14 of the shell 12, wherein the closure and control valve 23 with the control lever 24 is provided between the connecting pipe 22 and the outlet pipe 17.

Fig. 2 shows a side view of the shell 12 with its outer side 14 facing the object being extinguished. The inner side 13 of the shell 12 carries the extinguishing medium tanks 15, which are connected with the connecting pipe 28. The connecting pipe 28 simultaneously comprises the first gripping means 16, by which the operator grips the fire extinguisher by pulling a hand through the arch shape of the first gripping means 16, hanging the firs extinguisher on the arm and gripping the second gripping means 16a, shown in Fig, 1, with the hand.

According to Fig. 3, the inner side 13 of the shell 12 carries the tanks 15 for storing the extinguishing medium, connected with the first gripping means 16, comprising in this case an arch-shaped connecting pipe 28, and the second gripping means 16a, comprising in this case a straight connecting pipe 22. Via a control and closure valve 23 with a control lever 24, the connecting pipe 22 is connected by a connecting pipe 17 with the outlet nozzle 21 for discharging the extinguishing medium. The tanks 15 occupy a part of the inner side 13 of the shell 12 Sind the gripping means 16, 16a are provided in the remaining part of the inner side 13 of the shell 12.

According to Fig. 4, the wail-mounted fire extinguisher 11 is suspended on the hanging wall 1 using a frame 26, firmly connected with the hanging wail 1. The wall-mounted fire extinguisher 11 is in the position tilted shut to the frame 26. The wall-mounted fire extinguisher 11 has a shell 12, into which the fixed arm 27 is mounted at one point of the perimeter. The loose end of the arm 27 holds a pivot sleeve with a vertically arranged pivot 25. The frame 26 firmly connected with the hanging wail 1 also holds a vertical pivot sleeve, into which the pivot 25 extends. The shell 12 of the wall-mounted fire extinguisher 11 can thus rotate along the vertical pivot 25. The axis a of the pivot 25 is parallel to the hanging wall 1, and the bottom of the pivot is firmly mounted in the pivot sleeve of the frame 26. The top of the pivot 25 passes through the pivot sleeve of the fixed arm 27 with some play. The arm 27 can thus be removed from the pivot 25 by lifting the fire extinguisher 11 up in the vertical direction. The inner side of the shell 12 carries the tank 15. The tank 15 occupies a part of the inner surface of the shell 12. The remaining part of the inner surface of the shell 12 contains the gripping means 28.

Fig. 5 shows the wall-mounted fire extinguisher 11 in the position tilted away from the frame 26 and from the carrying wall 1, As in Fig. 4, the frame 26 is firmly fastened to the carrying wall 1 and has a pivot sleeve with a vertical pivot 25. The arm 27 is hung by its end on the vertical pivot 25 and is firmly connected to the shell 12. The inner side of the shell 12 carries the tank 15, behind which one can see the connecting pipe 28, comprising the first gripping means. Tilting the shell 12 away from the carrying wall 1 allows access to the inner side of the shell 12 and to the gripping means, provided on the inner side of the shell 12. The visible first gripping means, comprising the connecting pipe 28, is the shape of an arch, into which the operator of the fire extinguisher 11 slides a hand, then lifts the arm to lift the fire extinguisher 11 and release it from the pivot 25. After lifting and releasing from the pivot 25 hinge, the wall-mounted fire extinguisher 11 can be activated and used for extinguishing a fire.

According to Fig. 6, the wall-mounted fire extinguisher 11 is hung on a carrying wall 1 rctationally along the pivot 25 provided horizontally at the end of the arm 27 mounted in the inner side of the shell 12 of the fire extinguisher 11. The pivot 25 is firmly mounted in the pivot sleeve of the swinging arm 30 and its axis a is parallel to the hanging wall 1. The wall-mounted fire extinguisher 11 is hung on the pivot 25 via the arm 27. The inner side of the shell 12 shows visibly the tanks 21 and the area between the tanks 15 shows visibly the first gripping means 16, comprising the arch-shaped connecting pipe, linking the two tanks 15, which are drop-shaped in the transverse cross section and the rounded front ends of which face towards the centre of the shell 12. The swinging arm 30 is mounted on the hanging wall 1 in a tiltable way around the pivot 29, provided horizontally on the frame connected firmly to the hanging wall 1.

Fig. 7 shows the shell 12 of the wall-mounted fire extinguisher 11, mounted according to Fig. 6, in two positions, where the swinging arm 30 is titled around the horizontal pivot 29, connected firmly with the hanging wall 1. In the first tilted position, the shell 12 is shown from a side view in the horizontal direction. In the second tilted position, the shell 12 of one fire extinguisher 11 is shown from a view to the inner side of the shell 12. The inner side of the shell shows visibly the tanks 15, linked with the arch-shaped connecting pipe 28 and the straight connecting pipe 22. The curved connecting pipe 28 comprises the first gripping means 16 and the straight connecting pipe 22 comprises the second gripping means 16a. The connecting pips 22 has a valve 23 with a control lever 24. The valve 23 discharges into the outlet pipe 17, which passes through the shell of the fire extinguisher 11 at its centre and discharges via the outlet nozzle 21 on the outer side of the shell. The second tilted position shows a bracket 31 on the inner side of the shell of the fire extinguisher 11, by means of which the fire extinguisher 11 is hung on the pivot 25 of the swinging arm 30. Instead of the bracket 31, the inner side of the shell of the fire extinguisher .11 can have an appropriate groove, into which the pivot 25 can extend for guidance. The design according to Fig. 7 facilitates sliding of the operator's hand into the arch-shaped first gripping means 16, sliding of the hand and gripping of the second gripping means 16a, because the fire extinguisher can have rotational mounting simultaneously on the pivot 25, on the pivot 29 and sliding mounting on the bracket 31 or in the groove provided on the inner side of the shell of the fire extinguisher .11. That also facilitates the removing of the fire extinguisher 11 off the hanging wall 1. List of explanatory symbols

1 Hanging wall

11 Fire extinguisher

12 Shell

13 Inner side 1.4 Outer side

15 Tank

16 First gripping means 16a Second gripping means

17 Outlet pipe

18 Protrusion

21 Outlet nozzle

22 Connecting pipe

23 Valve

24 Control lever

25 Pivot

26 Frame

27 Fixed arm

2S Connecting pipe

29 Pivot

30 Swinging arm

31 Bracket α Swing axis

Claims

Patent claims

1. A hanging fire extinguisher, comprising a shell with a tank containing the extinguishing medium, a gripping means for gripping the fire extinguisher, and a outlet nozzle for spraying the extinguishing medium towards the object being extinguished, characterised in that the shell (12) of the fire extinguisher (11) is of a flat shape, on the inner side (13) of which, facing away from the object being extinguished, a tank (15) and a gripping means (16, 16a) are arranged and on the outer side (14) of which, facing the object being extinguished, at least one outlet nozzle (21) is lead out.

2. A fire extinguisher according to Claim 1, characterised in that the tank 15 occupying a part of the inner side (13) of the shell (12) and the gripping means (16, 16a} being provided in the remaining part of the inner side (13) of the shell (12),

3. A fire extinguisher according to Claim 1 or 2, characterised in that the outlet nozzle (21) being provided at the centre of the surface of the outer side (14) of the shell (12), or outlet nozzles (21) being provided along the perimeter of the outer side (14) of the shell (12).

4. A tire extinguisher according to any of Claims 1 through 3, characterised in that the shell (12) of the fire extinguisher (11) being of a convex shape in the direction towards the object being extinguished,

5. A fire extinguisher according to any of Claims 1 through 4, characterised in that the tanks (15) being drop-shaped in the transverse cross section and their rounded front ends facing the centre of the shell (12),

6. A fire extinguisher according to any of Claims 1 through 5, characterised in that the shell (12) of the fire extinguisher (11) being fitted with a hanging pivot means for swinging around the axis (a) parallel to the hanging wall (1).