JP2537866Y2 - Fire extinguishing nozzle support mechanism - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention is suitable for use in supporting a fire extinguishing nozzle connected to one end of a fire hose, among various fire extinguishing equipment.

[0002]

2. Description of the Related Art Among various fire extinguishing activities, if the scale of a fire is expanded and indoor fire extinguishing equipment cannot keep up, it is necessary to perform full-scale fire extinguishing from outside (hereinafter, simply referred to as full-scale fire extinguishing). In such large-scale fire extinguishing activities, water must be discharged from the ground to a height of 10 meters or more depending on the size of the building. Therefore, the pressure of the pressurized water sent out by the fire pump becomes very large.

[0003] The pressurized water sent out by the fire pump is supplied to a fire extinguishing nozzle through a fire hose, and is discharged in a predetermined direction from the tip of the fire extinguishing nozzle. At present, the fire extinguishing nozzle is not shaken by the impact at the time of water discharge, and the fire hole is not moved by the water pressure of the pressurized water,
One or two firefighters supported the firefighting nozzle, and behind it, another firefighter supported a fire hose and extinguished the fire.

[0004]

[Problems to be solved by the invention] However, even if a plurality of firefighters are mobilized, the firefighters are swung by the fire extinguishing nozzle or the fire hose depending on the pressure of the pressurized water. There was an inconvenience that activities became difficult. In addition, in full-scale fire extinguishing from the outside, only one firefighter supports the fire extinguishing nozzle and performs fire extinguishing activities.
Considering the magnitude of the reaction due to the pressurized water, it was virtually impossible. Therefore, in recent years, a variable mechanism in which the direction of the fire extinguishing nozzle can be changed in both the vertical direction and the horizontal direction, and a nozzle supporting mechanism provided with supporting legs for supporting them have been proposed. However, in such a case, the weight of the entire fire extinguishing equipment including the fire extinguishing nozzle and its supporting mechanism increases in order to maintain the orientation of the fire extinguishing nozzle in a stable state at the time of water discharge, and the portability of the fire extinguishing equipment is significantly impaired. Another problem arises.

The present invention has been made to solve the above-mentioned problem. The purpose of the present invention is to enable a single firefighter to accurately and easily perform a full-scale fire extinguishing from the outdoors, and to have excellent transportability. And a supporting mechanism for the fire extinguishing nozzle.

[0006]

DISCLOSURE OF THE INVENTION The present invention has been made to achieve the above object, and has a fire extinguishing nozzle for discharging pressurized water supplied through a fire hose connected to a nozzle end in a predetermined direction. In the supporting mechanism, an arm for pivotally supporting the side of the fire-extinguishing nozzle, a rotary shaft for rotatably supporting the fire-extinguishing nozzle via the arm, and a lower end of the rotary shaft, A support leg consisting of a pair of upper and lower legs that are rotatably coupled to each other while pivotally supporting the center in the longitudinal direction, and the pair of legs is attached to the end of the upper leg, and It is provided with a transport wheel supported so that it can be arranged at a non-ground position retracted above the upper leg and a ground position protruding below the lower leg.

[0007]

In the support mechanism of the fire extinguishing nozzle of the present invention,
The fire extinguishing nozzle can be rotated in the vertical direction with one end of the arm serving as a fulcrum, and the fire extinguishing nozzle can be rotated (turned) in the horizontal direction together with the arm fixed to the upper end of the rotating shaft. Further, at the time of fire extinguishing, the fire extinguishing nozzle and the fire hose are stably supported by the support legs attached to the lower end of the rotating shaft. In addition, in the present invention, when going to the fire site or leaving the fire site, the transport wheel attached to the end of the upper leg rod is arranged at the ground position and actually touches the ground, and in this state By moving the fire extinguishing equipment while rolling the transport wheels, it is possible to transport the fire extinguishing equipment quickly and easily with one person. Furthermore, by connecting the fire hose to the fire extinguishing nozzle, it is possible to quickly transport the fire extinguishing equipment while unwinding the folded fire hose when heading to the fire site.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view showing an embodiment of a support mechanism for a fire extinguishing nozzle according to the present invention, and FIG. 2 is a plan view of the same. 1 and 2, reference numeral 1 denotes a fire extinguishing nozzle. A fire hose 2 is connected to one end of the fire extinguishing nozzle 1. The fire extinguishing nozzle 1 is for discharging pressurized water supplied through a fire hose 2 in a predetermined direction.

In the support mechanism of the fire extinguishing nozzle of this embodiment,
First, the side of the fire extinguishing nozzle 1 is pivotally supported at one end of the arm 3. That is, a concave portion (not shown) is formed on each side of the fire extinguishing nozzle 1. On the other hand, a support shaft 4 is provided at one end of each arm 3.
Is inserted into a concave portion (not shown) of the nozzle side portion.

A fixed shaft 5 is provided at the other end of each arm 3.
The arm 3 is fixed to the upper end of the rotary shaft 6 via the fixed shaft 5. More specifically,
The rotating shaft 6 is composed of an outer supporting rod 6a having a hollow structure and a rotating shaft 6b rotatably inserted into the supporting rod 6a. It is fixed to the upper end of the shaft 6b. The height of the rotating shaft 6 is preferably set as low as possible in consideration of the stability of the fire extinguishing nozzle 1, but if it is set extremely low, the operability of the fire extinguishing nozzle 1 may be deteriorated. Therefore, it is better to set them appropriately while paying sufficient attention to these points.

Further, a support leg 7 is attached to a lower end of the rotating shaft 6. The supporting leg 7 is composed of a pair of upper and lower leg rods 7a and 7b rotatably connected to each other while pivotally supporting their respective longitudinal center portions. These leg rods 7a and 7b are rotary shaft rods. 6 is rotatably attached to the lower end. With such a configuration, the support leg 7 is opened,
The legs can be freely closed, and the open state of the legs is held by a fixing rod 8. Also,
At both ends of the leg bars 7a and 7b, fixed nails 9 which are sharply angled downward.
Here, the upper leg bar 7a is set somewhat longer so that the toes of all the fixed claws 9 are aligned.

In addition, a handle 1 is attached to one end of the upper leg 7a.
A transport wheel (hereinafter simply referred to as a wheel) 12 is mounted on the other end of the transport wheel via a bracket 11. Among them, the bracket 11 is the leg rod 7a.
The wheel 12 is pivotally supported on the support shaft 13, and the wheel 12 can be arranged on both the upper and lower sides of the support leg 7 by rotating the bracket 11 around the support shaft 13. That is, at the end of the upper leg rod 7a, the wheel 12 can be arranged in a non-ground position retracted above the upper leg rod 7a and a ground position protruded below the lower leg rod 7b. Supported.

In the support mechanism of this embodiment constructed as described above, the fire extinguishing nozzle 1 can be rotated in the vertical direction within a range of about 90 ° with the support shaft 4 provided at one end of the arm 3 as a fulcrum. . Further, since the arm 3 supporting the fire extinguishing nozzle 1 is fixed to the rotating shaft 6, the fire extinguishing nozzle 1 is rotated together with the arm 3 within a range of 360 ° in the horizontal direction by the rotating function of the rotating shaft 6 b with respect to the supporting rod 6 a. Can be done. This is a sufficient degree of freedom for the movement of the fire extinguishing nozzle 1 required for performing the fire extinguishing activity.

In addition, in this embodiment, the fire extinguishing nozzle 1 is supported together with the arm 3 and the rotating shaft 6 by opening the supporting leg 7 attached to the lower end of the rotating shaft 6 and grounding the ground. It is supported by the legs 7. As a result, the movement of the fire hose 2 due to the impact applied at the time of water discharge and the water pressure of the pressurized water is also suppressed by the support legs 7,
The fireman only needs to operate the direction of the fire-extinguishing nozzle 1 (water discharge direction). As a result, even a single fireman can accurately and easily perform a full-scale fire extinguishing from outside.

Further, in this embodiment, since the fixing claws 9 are formed at each end of the support leg 7, the support leg 7 can be firmly grounded to the ground. This allows
The absorbing power of the supporting leg 7 against the impact and the suppressing power of the supporting leg 7 against the movement of the fire hose 2 are enhanced, and the stability of the fire extinguishing nozzle 1 by the supporting leg 7 can be further improved.

In this embodiment, an operating rod 14 is attached to the fire extinguishing nozzle 1 as shown. Therefore, the firefighter stands on the side or behind the fire extinguishing nozzle 1 and supports the operating rod 14, and by changing the direction of the fire extinguishing nozzle 1 via the operating rod 14, can freely control the discharge direction of the pressurized water. can do.

The above is a description of the functions in the case of actually performing a fire extinguishing activity. In addition, the support mechanism of the present embodiment has excellent functions in terms of transportation and storage. That is, when transporting equipment, as shown in FIG. 3, first, the operation rod 14 is folded and the fire hose 2 is folded back to the fire-extinguishing nozzle 1 side. Next, the fixing rod 8 (FIG. 2) is folded to close the leg rods 7a and 7b. Here, the upper leg bar 7a
Is set to be slightly longer than the lower leg bar 7b as shown in FIG. 4, so that when the legs are closed, both can be overlapped to be integrated.

Subsequently, the bracket 11 is supported on the support shaft 13 as a fulcrum.
Is rotated, the end of the support leg 7 is inserted into the frame of the bracket 11, and the leg bars 7a and 7b are bundled. At this time, the wheel 12 is disposed below the support leg 7, that is, at a ground contact position protruding below the lower leg 7b. Finally, the support rod 15 is set at one end of the support leg 7 and the support rod 15
The tip of the fire extinguishing nozzle 1 is fixed to the upper end of the nozzle. Here, at the upper end of the support rod 15, for example, a U-shaped or U-shaped engaging portion is formed, and the tip of the fire extinguishing nozzle 1 is fitted into this engaging portion. Further, a fastener (not shown) is attached to the upper end of the support rod 15, and the fire hose 2 is fastened to the fastener.

From this state, as shown in FIG.
0 and lift the support leg 7, the transport wheels 12
Since only the ground comes into contact with the ground, the fire extinguishing system is moved while rolling the wheels 12 from this state, so that even one person can quickly and easily transport the fire extinguishing system. Therefore, particularly when heading to a fire site or the like, the number of transportation staff for the fire extinguishing equipment can be reduced, so that other operations such as rescue of lives from high places and guidance of evacuation of local residents can be performed. Furthermore, since the entire equipment is compacted as described above during transportation, the storage space can be extremely small even when stored in a fire hydrant box or the like.

[0020]

[Effects of the Invention] As described above, according to the present invention,
The fire extinguishing nozzle has the freedom of movement required for fire extinguishing activities, and this fire extinguishing nozzle is supported by supporting legs, so the firefighter only needs to operate the water discharge direction while supporting the fire extinguishing nozzle. Will be done. As a result, a single firefighter can accurately and easily perform a full-scale fire extinguishing from the outside without mobilizing a plurality of firefighters as in the related art. As a result, labor savings in full-scale fire fighting activities can be achieved. For example, to save lives from high places and guide evacuation of nearby residents other than actual fire fighting activities (water discharge work),
It is possible to mobilize more personnel. Further, according to the present invention, since the transport wheels are attached to the ends of the support legs, the transport wheels attached to the ends of the support legs are grounded when heading to the fire site or when leaving the fire site. The fire extinguishing system can be quickly and easily transported by one person by rolling the transport wheels together with the movement of the fire extinguishing system in a state where the fire extinguishing system is moved to the ground.
It contributes to labor saving in the first operation business until the start of full-scale fire extinguishing. Furthermore, by connecting the fire hose to the fire nozzle,
When going to the fire site, the fire extinguishing equipment can be transported while the folded fire hose is being pulled out. This eliminates the time required to assemble the fire extinguishing equipment at the fire site and transport and draw out the fire hose, so that it is possible to start full-scale fire extinguishing activities earlier than before.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a fire extinguishing nozzle support mechanism according to the present invention.

FIG. 2 is a plan view showing an embodiment of a fire extinguishing nozzle support mechanism according to the present invention.

FIG. 3 is a diagram illustrating an assembling procedure at the time of transporting equipment in the embodiment.

FIG. 4 is a diagram illustrating an opening and closing operation of a support leg in the embodiment.

FIG. 5 is a diagram illustrating a state of transporting equipment in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fire extinguishing nozzle 2 Fire hose 3 Arm 6 Rotating shaft 7 Support leg 7a, 7b Leg bar

Claims (1)

(57) [Scope of request for utility model registration] 1. A support mechanism for a fire extinguishing nozzle for discharging pressurized water supplied through a fire hose connected to a nozzle end in a predetermined direction, an arm pivotally supporting a side of the fire extinguishing nozzle, A rotary shaft that rotatably supports the fire-extinguishing nozzle via an arm, attached to a lower end of the rotary shaft, and rotatably coupled to each other while pivotally supporting their respective longitudinal centers. A supporting leg comprising a pair of upper and lower legs, and a non-ground position and a lower leg which are attached to the end of the upper leg and which are retracted above the upper legs of the pair of legs. A digestion nozzle support mechanism, comprising: a transport wheel supported so as to be disposed at a ground position protruding below a rod.