CN210228961U

CN210228961U - Fire control foam spray gun

Info

Publication number: CN210228961U
Application number: CN201920345956.3U
Authority: CN
Inventors: Tianzhu Huang; 黄天助
Original assignee: Jijun Fire Technology Co Ltd
Current assignee: Jijun Fire Technology Co Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-04-03
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses a fire-fighting foam spray gun, which comprises a support box, a spray pipe and a support cylinder, wherein a water through hole is vertically arranged at the middle position of the support box, an annular groove is arranged on the upper surface of the support box and on the periphery of the water through hole, one end of a mixing pipe is vertically embedded in the groove of the annular groove, a protection box is fixedly arranged on the right side wall of the mixing pipe, a battery groove is arranged on the upper part of the right end surface of the protection box, a rechargeable battery is clamped in the battery groove, the utility model is provided with an airflow cavity, the flowing space of gas in the fire-fighting foam spray gun is increased, the air quantity entering the spray gun is increased, the inner spray head is designed into a horn shape to increase the spraying speed of liquid, the flowing performance of air is also increased, when a fire fighter steps on a pedal, the recoil of the fire-fighting foam spray gun can be reduced through the matching arrangement of a support rod, the support cylinder, the fire fighter can control the fire fighting foam spray gun more labor-saving.

Description

Fire control foam spray gun

Technical Field

The utility model relates to a fire-fighting equipment technical field, concrete field is a fire control foam spray gun.

Background

The foam fire extinguishing is one of the important fire extinguishing methods in fire department, and has small foam density, high flowability, high durability, high fire resistance, low heat conductivity and great adhesion, and these physical properties make it capable of covering the burning liquid surface fast to isolate the transfer of inflammable steam, air and heat and to provide cooling effect to extinguish fire. When foam mixed liquid passes through a fire-fighting foam spray gun, the foam mixed liquid needs to be mixed with flowing air in the fire-fighting foam spray gun to generate foam to be sprayed out of a spray nozzle, the common air introducing method at present is that when the foam mixed liquid is pressed into the fire-fighting foam spray gun at a certain pressure, pressure difference is generated between the inside and the outside of the fire-fighting foam spray gun due to the flowing property of liquid, and the air automatically flows into the fire-fighting foam spray gun from an air inlet, so that the flowing space of the air in the fire-fighting foam spray gun is small, the flowing property of the air is slow, the air quantity entering the spray gun is small, meanwhile, the mixing of the foam mixed liquid is uneven, the phenomenon of insufficient foaming can be caused, the fire extinguishing effect is influenced, and the difficulty of a fire fighter in controlling the fire-fighting foam spray gun is increased due to the recoil generated by the, sometimes two firefighters need to control one spray gun at the same time, which is laborious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire control foam spray gun to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire control foam spray gun, includes a supporting box, spray tube and a support section of thick bamboo, the vertical limbers that is equipped with in intermediate position of supporting box, the upper surface of supporting box and all sides at the limbers are equipped with the annular groove, the vertical one end that has the hybrid tube of inlaying of inslot of annular groove, the right side wall fixed mounting of hybrid tube has the guard box, the right-hand member face upper portion of guard box is equipped with the battery jar, the joint has rechargeable battery in the battery jar, the right-hand member face lower part of guard box is equipped with the motor groove, the horizontal fixed mounting of motor inslot level has miniature driving motor, threaded connection has the case lid on the right-hand member end wall of guard box, the same horizontal position of the left side wall of motor groove and the right side wall of hybrid tube all is equipped with the delivery outlet, miniature driving motor's output level runs through out the delivery outlet outside and rotates and connect in the delivery outlet, miniature driving motor's output swing joint has The other end of the rotating shaft is rotatably connected to the left side wall of the interior of the mixing pipe, stirring blades are symmetrically and fixedly mounted on the shaft wall of the rotating shaft, the vertical thread of the side wall inside the mixing pipe is connected with one end of a pipeline connector, the lower side wall inside the spray pipe is in threaded connection with the other end of the pipeline connector, an inner spray head is fixedly mounted on the side wall inside the spray pipe, the inner spray head is horn-shaped, an airflow cavity is arranged between the outer side wall of the inner spray head and the inner side wall of the spray pipe, a plurality of air inlets are formed in the side wall of the spray pipe, air inlet connectors are respectively in threaded connection in the air inlets, one ends of the air inlet connectors are all communicated outside the pipe, the other ends of the air inlet connectors are all communicated inside the airflow cavity, and one end of a support rod is vertically and fixedly mounted at the middle position of, the one end of a support section of thick bamboo is equipped with the opening, just sliding connection is in the inside of a support section of thick bamboo in the other end of bracing piece stretches into the opening, the other end of a support section of thick bamboo is equipped with rotates the groove, horizontal fixed mounting has the dwang about the inside in rotation groove between the lateral wall, it is connected with the running-board to rotate on the lateral wall of dwang.

Preferably, a threaded hole is formed in the side wall of the supporting cylinder, and a locking nut is connected to the threaded hole in an internal thread mode.

Preferably, the side wall of the rotating shaft is rotatably connected with rubber gaskets on two sides of the pedal plate.

Preferably, the upper surface and the lower surface of the pedal plate are both fixedly provided with anti-skid rubber plates.

Preferably, the water spray port of the nozzle is in a horn shape.

Preferably, a switch is arranged on the upper surface of the protection box, and the rechargeable battery is electrically connected with the micro driving motor and the switch.

Compared with the prior art, the beneficial effects of the utility model are that: through the supporting box, the limbers can be communicated with the mixing tube, through the matching arrangement of the protection box, the rechargeable battery and the micro-driving motor, the rotating shaft can simultaneously drive the two stirring blades to rotate in the mixing tube, through the pipeline joint, the spray tube can be communicated with the mixing tube, through the matching arrangement of the inner spray head and the spray tube, air can enter the air flow cavity through the plurality of air inlet joints, through the supporting rod, the supporting cylinder, the rotating rod and the pedal plate, the fire-fighting foam spray gun can rotate on the pedal plate through the supporting rod and the supporting cylinder by taking the rotating rod as a rotating point, because the supporting rod can slide in the supporting cylinder, the distance between the fire-fighting foam spray gun and the pedal plate can be adjusted, through the locking nut, the supporting rod can be locked in the supporting cylinder, the sliding of the supporting rod is prevented, through the two rubber gaskets, the stability between, through two non-slip rubber boards, the frictional property of two faces of multiplicable running-board, the utility model discloses be equipped with the air current chamber, increased the flow space of gas in the fire control foam spray gun, make the air volume that gets into in the spray gun increase, interior shower nozzle designs into the horn shape and has increased the blowout speed of liquid, has also increased the flow property of air simultaneously, when the fire fighter foot steps on the running-board, through the bracing piece, the cooperation setting of a support section of thick bamboo and dwang, can reduce the recoil of fire control foam spray gun, the fire fighter can be more laborsaving control fire control foam spray gun.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic sectional view of the spray pipe and the inner nozzle according to the present invention.

In the figure: 1-supporting box, 2-water hole, 3-mixing pipe, 4-protecting box, 5-rechargeable battery, 6-micro driving motor, 7-box cover, 8-rotating shaft, 9-stirring blade, 10-pipeline joint, 11-spray pipe, 12-inner spray head, 13-airflow cavity, 14-air inlet joint, 15-supporting rod, 16-supporting cylinder, 17-rotating rod, 18-pedal, 19-locking nut, 20-rubber gasket, 21-anti-skid rubber plate and 22-switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a fire-fighting foam spray gun comprises a support box 1, a spray pipe 11 and a support cylinder 16, wherein a water through hole 2 is vertically arranged at the middle position of the support box, an annular groove is formed in the upper surface of the support box and the periphery of the water through hole, one end of a mixing pipe 3 is vertically embedded in the groove of the annular groove, water and foam extinguishing agent raw materials which are used for preparing foam mixed liquid are more uniformly mixed through the mixing pipe, so that foaming is more sufficient, a protection box 4 is fixedly installed on the right side wall of the mixing pipe, a battery groove is formed in the upper portion of the right end face of the protection box, a rechargeable battery 5 is connected in the battery groove in a clamping manner, a motor groove is formed in the lower portion of the right end face of the protection box, a micro-drive motor 6 is horizontally and fixedly installed in the motor groove, the rechargeable battery provides electric power for the micro-drive motor, a box cover 7 is connected to the right end wall of the protection box through threads, an output hole is formed in the left side wall, the output end of the micro-driving motor horizontally penetrates out of the output hole and is rotatably connected in the output hole, the output end of the micro-driving motor is movably connected in an inner cavity of the mixing tube and is horizontally and fixedly provided with one end of a rotating shaft 8, the other end of the rotating shaft is rotatably connected on the left side wall inside the mixing tube, stirring blades 9 are symmetrically and fixedly arranged on the shaft wall of the rotating shaft, the micro-driving motor drives the rotating shaft to stir two stirring blades in the mixing tube, so that passing foam mixed liquid is more uniformly mixed, the upper side wall inside the mixing tube is vertically and threadedly connected with one end of a pipeline connector 10, the lower side wall inside the spray tube is threadedly connected with the other end of the pipeline connector, an inner spray head 12 is fixedly arranged on the inner side wall inside the spray tube, the inner spray head is horn-shaped, and an airflow cavity 13 is arranged between the outer side wall, the side wall of the spraying pipe is provided with a plurality of air inlets, the air inlets are respectively in threaded connection with air inlet connectors 14, one ends of the air inlet connectors are all communicated outside the pipe, the other ends of the air inlet connectors are all communicated inside the airflow cavity, when foam mixed liquid passes through the inner spray head, airflow in the airflow cavity flows, pressure difference is generated between the airflow cavity and the outside, air automatically enters the airflow cavity through the air inlet connectors, one end of a supporting rod 15 is vertically and fixedly installed on the lower surface of the supporting box at the middle position of the rear side of the water through hole, one end of the supporting cylinder is provided with an opening, the other end of the supporting rod extends into the opening and is in sliding connection with the inside of the supporting cylinder, the height of the fire-fighting foam spray gun can be adjusted, the other end of the supporting cylinder is provided with a rotating groove, and a rotating rod 17 is horizontally and, the side wall of the rotating rod is rotatably connected with a pedal plate 18, and the supporting cylinder is rotatably connected with the pedal plate.

Specifically, a threaded hole is formed in the side wall of the supporting cylinder, and a locking nut 19 is connected to the threaded hole in an inner thread mode. After the position of the supporting rod and the supporting cylinder is adjusted, the supporting rod and the supporting cylinder are locked through the locking nut, the supporting rod is prevented from continuously sliding, the adjusting is performed in advance, the adjusting is not needed when the fire is extinguished, and the fire extinguishing efficiency can be improved.

Specifically, rubber gaskets 20 are rotatably connected to the side walls of the rotating shaft and to both sides of the foot board. Stability between the support cylinder and the foot board can be increased.

Specifically, the upper surface and the lower surface of the pedal are fixedly provided with the antiskid rubber plates 21. The friction of two surfaces of the pedal can be increased, and the surface of the pedal is prevented from being too smooth when meeting water.

Specifically, the water spray port of the nozzle is in a horn shape. Preventing the discharged foam from being excessively dispersed.

Specifically, the upper surface of the protection box is provided with a switch 22, and the rechargeable battery is electrically connected with the micro-driving motor and the switch. The stop and the turn-off of the driving motor are controlled by a switch.

The working principle is as follows: the utility model discloses in through supporting box, can make the one end and the mixing tube intercommunication of limbers, the other end of limbers will be connected with the fire hose of peripheral hardware, through the protection box, rechargeable battery, micro-drive motor's cooperation setting, when the foam mixed liquid passes through the mixing tube, press the driving motor button, can make the axis of rotation drive two stirring leaves simultaneously and rotate in the mixing tube, make the foam mixed liquid further stir, make the water that makes the foam mixed liquid and foam extinguishing agent raw materials more even mix, through the pipe joint, can make spray tube and mixing tube intercommunication, through the cooperation setting of interior shower nozzle and spray tube, when the foam mixed liquid passes through interior shower nozzle, make the air current in the air current chamber take place to flow, make air current chamber and outside produce the pressure differential, the air will enter into the air current intracavity through a plurality of air inlet joint is automatic, through the bracing piece, a supporting cylinder, the cooperation setting of dwang and running-, when a fire fighter puts out a fire through the fire-fighting foam spray gun, the pedal plate is placed on the ground, the fire fighter can step on the pedal plate by feet, the fire-fighting foam spray gun can rotate on the pedal plate by the support rod and the support cylinder by taking the rotating rod as a rotating point, when the fire-fighting foam spray gun rotates to a proper position, the fire can be put out, the recoil generated by the fire-fighting foam spray gun can be eliminated through the pedal plate, because the support rod can slide in the support cylinder, the distance between the fire-fighting foam spray gun and the pedal plate can be adjusted, the fire-fighting foam spray gun can be adjusted in advance, the fire-fighting efficiency can be improved, the support rod can be locked in the support cylinder through the locking nut to prevent the support rod from sliding, the stability between the support cylinder and the pedal plate can be improved through two rubber gaskets, the, increased the flow space of gas in the fire control foam spray gun, made the air quantity increase in getting into the spray gun, interior shower nozzle designs into the loudspeaker shape and has increased the blowout speed of liquid, has also increased the flow property of air simultaneously, when the pedal plate is stepped on to the fire fighter foot, sets up through the cooperation of bracing piece, a supporting cylinder and dwang, can reduce the recoil of fire control foam spray gun, and fire fighter can be more laborsaving control fire control foam spray gun.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire control foam spray gun, includes supporting box (1), spray tube (11) and support section of thick bamboo (16), its characterized in that: the middle position of the supporting box (1) is vertically provided with a water through hole (2), the upper surface of the supporting box (1) is provided with an annular groove in the peripheral side of the water through hole, the groove of the annular groove is vertically embedded with one end of a mixing pipe (3), the right side wall of the mixing pipe (3) is fixedly provided with a protection box (4), the upper part of the right end surface of the protection box (4) is provided with a battery jar, the battery jar is internally clamped with a rechargeable battery (5), the lower part of the right end surface of the protection box (4) is provided with a motor jar, the motor jar is internally provided with a micro driving motor (6) in a horizontal fixing way, the right end wall of the protection box (4) is connected with a box cover (7) through threads, the left side wall of the motor jar and the right side wall of the mixing pipe (3) are both provided with an output hole, the output end level of the micro driving motor (6) penetrates out of the output hole and is, the output end of the micro-driving motor (6) is movably connected to the inner cavity of the mixing pipe (3) and horizontally and fixedly provided with one end of a rotating shaft (8), the other end of the rotating shaft (8) is rotatably connected to the left side wall of the interior of the mixing pipe (3), stirring blades (9) are symmetrically and fixedly arranged on the shaft wall of the rotating shaft (8), the vertical side wall of the interior of the mixing pipe (3) is in threaded connection with one end of a pipeline joint (10), the lower side wall of the interior of the spray pipe (11) is in threaded connection with the other end of the pipeline joint (10), an inner spray head (12) is fixedly arranged on the side wall of the interior of the spray pipe (11), the inner spray head (12) is in a horn shape, an airflow cavity (13) is arranged between the outer side wall of the inner spray head (12) and the inner side wall of the spray pipe (11), a plurality of air, there are air inlet connector (14), a plurality of in the air inlet of a plurality of respectively threaded connection the one end of air inlet connector (14) all communicates outside of tubes and the other end all communicates in the inside of air current chamber (13), the lower surface of supporting box (1) and the vertical fixed mounting in the rear side intermediate position of limbers (2) have the one end of bracing piece (15), the one end of a supporting cylinder (16) is equipped with the opening, the other end of bracing piece (15) stretches into in the opening and sliding connection is in the inside of a supporting cylinder (16), the other end of a supporting cylinder (16) is equipped with the rotation groove, horizontal fixed mounting has dwang (17) between the inside left and right sides lateral wall in rotation groove, it is connected with running-board (18) to rotate on the lateral wall of dwang (17).

2. A fire fighting foam lance as set forth in claim 1, wherein: the side wall of the supporting cylinder (16) is provided with a threaded hole, and a locking nut (19) is connected with the threaded hole in an internal thread mode.

3. A fire fighting foam lance as set forth in claim 1, wherein: the side wall of the rotating rod (17) is rotatably connected with rubber gaskets (20) on two sides of the pedal plate (18).

4. A fire fighting foam lance as set forth in claim 1, wherein: the upper surface and the lower surface of the pedal (18) are both fixedly provided with anti-skidding rubber plates (21).

5. A fire fighting foam lance as set forth in claim 1, wherein: the shape of the water spraying port of the spray pipe (11) is horn-shaped.

6. A fire fighting foam lance as set forth in claim 1, wherein: the upper surface of guard box (4) is equipped with switch (22), rechargeable battery (5) electricity is connected micro-driving motor (6) and switch (22).