CN210114766U

CN210114766U - Fire spraying device

Info

Publication number: CN210114766U
Application number: CN201920427138.8U
Authority: CN
Inventors: 刘会斌; 苏瑞; 郑博文; 张欣伟; 胡全义; 刘天奇; 秘立鹏
Original assignee: State Grid Corp of China SGCC; Electric Power Research Institute of State Grid Eastern Inner Mongolia Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Electric Power Research Institute of State Grid Eastern Inner Mongolia Power Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-02-28
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a fire spraying device, which comprises a spray head, a water pipe, a switch valve, a blade mounting mechanism, a spring fixing plate and a spring; the switch valve comprises a valve body and a rotary handle fixed on the valve body, and the valve body is arranged on the water pipe; the blade mounting mechanism is positioned on one side of the switch valve, and the second supporting plate, the limiting plate and the first supporting plate are sequentially fixed on the water pipe along the direction far away from the switch valve; one end of the blade is vertically connected with the end part of the connecting shaft; the connecting shaft is sequentially provided with a supporting section and a limiting section, and the blade and the supporting section are respectively positioned on two sides of the second supporting plate; the area where the connecting shaft is matched with the second supporting plate is connected through a torsion spring; the limiting section is provided with a bulge arranged along the radial direction of the connecting shaft, the limiting plate is provided with a through groove, and the shape and the size of the through groove are matched with those of the limiting section; the end part of the limiting section is connected with the blasting fuse, and the rotating handle is connected with one end of the rope; the spring fixing plate is installed on the water pipe and connected with the rotating handle through a spring.

Description

Fire spraying device

Technical Field

The utility model belongs to the technical field of fire-fighting equipment, concretely relates to conflagration spray set.

Background

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.

A fire refers to a catastrophic fire phenomenon that loses control over time or space, and among various disasters, a fire is one of the main disasters that most often and most commonly threaten public safety and social development.

The automatic spraying fire extinguishing device has better fire extinguishing performance, and can better embody the excellent fire extinguishing performance in high-rise buildings which cannot be considered by fire fighters and fire disasters which occur under the condition that a power supply line has faults. Can be suitable for storing toxic articles, toxic gas, inflammable and explosive articles and other places. The existing automatic spraying fire extinguishing device generally comprises a signal line, a water switch, a drainage device and other structures, and the water switch can be automatically opened to spray and extinguish fire when the fire source burns the signal line. However, the signal line is generally controlled by electricity, and when power is cut off due to fire, the automatic spraying device cannot be started, so that fire cannot be extinguished, and casualties and property loss are easily caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists among the prior art, the utility model aims at providing a conflagration spray set, the device can start by oneself when taking place the conflagration, need not the power consumption, has better fire extinguishing performance.

In order to solve the technical problem, the technical scheme of the utility model is that:

a fire spraying device comprises a spray head, a water pipe, a switch valve, a blade mounting mechanism, a spring fixing plate and a spring;

the spray head is arranged at the end part of the water pipe;

the switch valve comprises a valve body and a rotary handle fixed on the valve body, and the valve body is arranged on the water pipe;

the blade mounting mechanism is positioned on one side of the switch valve and comprises a first supporting plate, a second supporting plate, a limiting plate, a blade and a connecting shaft;

the second supporting plate, the limiting plate and the first supporting plate are sequentially fixed on the water pipe along the direction far away from the switch valve;

the blade is a strip-shaped blade, and one end of the blade is vertically connected with the end part of the connecting shaft;

the connecting shaft is sequentially provided with a supporting section and a limiting section along the direction far away from the blade, the diameter of the supporting section is larger than that of the body of the connecting shaft, the connecting shaft penetrates through the second supporting plate, the blade and the supporting section are respectively positioned on two sides of the second supporting plate, and the distance between the blade and the supporting section is larger than the thickness of the second supporting plate;

the area where the connecting shaft is matched with the second supporting plate is connected through a torsion spring, and the torsion spring realizes the rotary reset of the connecting shaft;

the limiting section is provided with a bulge arranged along the radial direction of the connecting shaft, the limiting plate is provided with a through groove, and the shape and the size of the through groove are matched with the limiting section to realize the limiting of the limiting section;

the end part of the limiting section is connected with the blasting fuse, and the first supporting plate is provided with a through hole for the blasting fuse to pass through and to be knotted and fixed;

the rotary handle is connected with one end of the rope, and the other end of the rope is used for being connected with the second supporting plate;

the spring fixing plate is arranged on the water pipe and is positioned on the opposite side of the blade mounting mechanism relative to the switch valve, and the spring fixing plate is connected with the rotating handle through a spring and provides acting force for rotating the rotating handle and opening the switch valve.

The switch valve is installed on the water pipe and used for opening or closing the water pipe.

When the rotary handle is used, the other end of the rope is connected with the second supporting plate, acting force is applied to the rotary handle, and the rotary handle is fixed in the closed state of the switch valve.

The connecting shaft is matched with the second supporting plate through the torsion spring, the connecting shaft is twisted, the blade is made to turn to the direction far away from the rope, the connecting shaft is pulled upwards, the limiting section at the end part of the connecting shaft is made to be inserted into the limiting through groove of the limiting plate, and therefore limiting of the connecting shaft can be achieved, and rotation of the connecting shaft is prevented. The end part of the limiting section is connected with a fuse cord, the fuse cord penetrates through the through hole of the first supporting plate, after being tensioned, the fuse cord is fixed through knotting (the diameter of the knotted fuse cord is larger than that of the through hole), and the tension of the fuse cord on the connecting shaft overcomes the elasticity of the torsion spring, so that the limiting section is fixed in the limiting through groove of the limiting plate. The fuse has a long length, e.g. 5m, and is arranged in a location where it is easily burnt.

When a fire disaster occurs, fire ignites the fire guiding rope, the fire guiding rope burns to a knotted position, the knotted position loses a supporting effect due to burning, the connecting shaft moves towards the switch valve under the elastic action of the torsional spring, the limiting section leaves the limiting through groove of the limiting plate, then the connecting shaft rotates under the restoring force action of the torsional spring to drive the blade to rotate, the blade can cut off a rope connected between the switch valve rotary switch and the second supporting plate, the rotary switch rotates towards one side under the elastic action of the spring to open the switch valve, and high-pressure water is sprayed out from the spray head to extinguish the fire.

Through adopting torsional spring to reply structure, limit structure, can realize the rotatory spacing and the rotatory reset of blade.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic overall structure diagram of one or more embodiments of the present invention;

fig. 2 is a schematic structural view of a sectional view of a mounting structure of a spray head according to one or more embodiments of the present invention;

fig. 3 is a schematic structural diagram of a spring fixing plate according to one or more embodiments of the present invention;

fig. 4 is a schematic top view of a spring retaining plate according to one or more embodiments of the present invention;

fig. 5 is a schematic structural view of a reset structure of a blade connecting shaft according to one or more embodiments of the present invention;

the device comprises a nozzle 1, a nozzle 2, a nozzle 3, a mounting part 4, a fuse, a first support plate 5, a limiting plate 6, a limiting section 7, a second support plate 8, a support section 9, a rope 10, a rotating handle 11, a blade 12, a spring 13, a spring fixing plate 14, a water pipe 15, a ring-shaped support member 16, a bearing 17, an inclined section 18, a clamping section 19, a through hole 20, a torsion spring 21 and a connecting shaft 22.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1, the fire sprinkler device comprises a spray head 2, a water pipe 15, a switch valve, a blade mounting mechanism, a spring fixing plate 14 and a spring 13;

the spray head 2 is arranged at the end part of the water pipe 15, the water pipe 15 is connected with a high-pressure water supply device (high-pressure water supply device), and the spray pressure of water is improved so as to be convenient for fire extinguishing, such as a high-pressure water network;

the switch valve comprises a valve body and a rotary handle 11 fixed on the valve body, wherein the valve body is arranged on the water pipe 15;

the blade mounting mechanism is positioned on one side of the switch valve and comprises a first supporting plate 5, a second supporting plate 8, a limiting plate 6, a blade 12 and a connecting shaft;

the second supporting plate 8, the limiting plate 6 and the first supporting plate 5 are sequentially fixed on the water pipe 15 along the direction far away from the switch valve;

the blade 12 is a strip-shaped blade, and one end of the blade 12 is vertically connected with the end part of the connecting shaft;

the connecting shaft is sequentially provided with a supporting section 9 and a limiting section 7 along the direction far away from the blade 12, the diameter of the supporting section 9 is larger than that of the body of the connecting shaft, the connecting shaft penetrates through the second supporting plate 8, the blade 12 and the supporting section 9 are respectively positioned on two sides of the second supporting plate 8, and the distance between the blade 12 and the supporting section 9 is larger than the thickness of the second supporting plate 8;

as shown in fig. 5, the region where the connecting shaft 22 is engaged with the second support plate 8 is connected by a torsion spring 21, and the torsion spring 21 realizes the rotational return of the connecting shaft; for example, the torsion spring 21 is sleeved on the connecting shaft 22, the connecting shaft 22 is provided with a protrusion, the inner wall of the through hole of the second supporting plate 8 is provided with a protrusion, the torsion spring 21 is located between the two protrusions, and the two ends of the torsion spring 21 are clamped and fixed at the two protruding positions. When the connecting shaft 22 rotates, the protrusion arranged on the connecting shaft 22 pulls one end of the torsion spring 21, the other end of the torsion spring 21 is limited by the protrusion on the inner wall of the through hole in the second supporting plate, the torsion spring 21 is compressed, and then the torsion spring 21 plays a certain restoring force on the connecting shaft.

The limiting section 7 is provided with a bulge arranged along the radial direction of the connecting shaft 22, the limiting plate 6 is provided with a through groove, and the shape and the size of the through groove are matched with the limiting section to realize the limiting of the limiting section;

the end part of the limiting section 7 is connected with the blasting fuse 4, and the first supporting plate 5 is provided with a through hole for the blasting fuse 4 to pass through and to be knotted and fixed;

the rotary handle 11 is connected with one end of the rope 10, and the other end of the rope 10 is used for being connected with the second supporting plate 8;

a spring retaining plate 14 is mounted on the water pipe 15 on the opposite side of the blade mounting means to the on-off valve, the spring retaining plate 14 being connected to the twist grip 11 by a spring 13 to provide a force to rotate the twist grip 11 to open the on-off valve.

The on-off valve is installed on the water pipe 15 for opening or closing the water pipe 15.

When a fire disaster happens, the fire ignites the fuse, the fuse burns to the knotted position, the knotted position loses the supporting effect due to the burning, the connecting shaft moves towards the switch valve under the elastic effect of the torsional spring, the limiting section leaves the limiting through groove of the limiting plate, the supporting section moves to the surface of the second supporting plate and plays a role in positioning, the connecting shaft is prevented from moving continuously, and then the connecting shaft rotates under the restoring force effect of the torsional spring to drive the blade to rotate. The length of blade is greater than the distance between connecting axle and the rope, and the blade can cut off the rope of connection between ooff valve rotary switch and second backup pad, and rotary switch is rotatory towards one side under the elasticity effect of spring, opens the ooff valve, and the high pressure water is spout from the shower nozzle, puts out a fire. The rope is more easily cut off because the rope is tightened under the tension of the spring. To make the string easier to cut, a torsion spring with a higher spring force, a sharper blade and a thinner string may be used.

In some embodiments, as shown in fig. 3 and 4, the spring fixing plate 14 includes an inclined section 18 and a clamping section 19 connected to each other, an included angle between the inclined section 18 and the clamping section 19 is 100-150 °, a clamping groove is provided on the clamping section 19, a through hole is provided on the inclined section 18, the clamping groove is clamped on the water pipe 15, the spring fixing plate 14 is installed, one end of the spring 13 is hung in the through hole of the inclined section 18 through a hook, and the other end is hung on the through hole provided on the rotating handle 11 through a hook, so as to implement installation of the spring 13.

With this structure, the rotating force can be applied to the rotating handle more easily, and the on-off valve can be opened. If the clamping function of the clamping groove is weak, the clamping groove can be fixed in a mode of coating an adhesive or a clamping hoop.

The cross-sectional shape of draw-in groove is big semicircle, has great clamping-force to the water pipe.

In some embodiments, the rotation knob is in the closed position when the tension of the spring 13 on the rotation knob 11 is collinear with the tension of the cord on the rotation knob.

In some embodiments, the spray head 2 is rotatably installed on the water pipe 15, and a plurality of nozzles 1 are arranged on the spray head 15, and the nozzles 1 are inclined toward one side of the spray head 15. High-pressure water is sprayed out from the nozzle 1 of the spray head 2, and can drive the spray head 2 to rotate under the action of certain back flushing of the spray head 15, and the spray head can spray water in a rotating mode, so that the water can be sprayed in a larger range, and the fire extinguishing is facilitated.

Further, the inclination angle of each nozzle 1 is different. The water spraying device can spray water in different spraying ranges so as to reduce spraying dead angles.

When the shower nozzle is vertical to be set up, every nozzle is seted up in the side of shower nozzle, and when nozzle inclination is different, the incline direction of nozzle can be decomposed into horizontal direction and vertical direction, and nozzle spun water is unchangeable along the branch speed of horizontal direction, and the branch speed along vertical direction decides the time of spraying, and then decides the distance of spraying. Therefore, when the inclination angles of the nozzles are different, the distance of the water sprayed from each nozzle is different, and a wide range of spraying can be realized.

Furthermore, each nozzle is provided with a plurality of injection holes, and the nozzles are in diameter expanding structures along the injection direction of water. The jet hole can realize the refinement of rivers, and the nozzle is the hole enlargement structure, can enlarge the scope of spraying.

Further, as shown in fig. 2, the nozzle 2 is mounted on the water pipe 15 through the mounting portion 3, the mounting portion 3 includes a cylindrical housing, an annular supporting member 16 and a bearing 17, the cylindrical housing is sleeved outside the water pipe 15, the annular supporting member 16 and the bearing 17 are disposed between the cylindrical housing and the water pipe 15, the annular supporting member 16 is located between the nozzle 2 and the bearing 17, and the cylindrical housing is fixedly connected with the nozzle.

The cylindrical shell is fixedly connected with the spray head, the outer side wall of the annular supporting piece is fixed on the cylindrical shell, the inner wall of the annular supporting piece is in sliding fit with the outer wall of the water pipe, or the inner wall of the annular supporting piece is fixed on the water pipe, the outer wall of the annular supporting piece is in sliding fit with the cylindrical shell, and the sliding layer can be coated with lubricating liquid. When the spray head rotates, the cylindrical shell is driven to rotate relative to the water pipe. The installation of the installation part ensures that the installation of the spray head is more stable, is favorable for the rotatable installation of the spray head, and injects lubricating liquid into the bearing.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire sprinkler system, characterized in that: comprises a spray head, a water pipe, a switch valve, a blade mounting mechanism, a spring fixing plate and a spring;

the spray head is arranged at the end part of the water pipe;

2. The spray assembly of claim 1, wherein: the spring fixed plate includes interconnect's slope section and block section, and the contained angle between slope section and the block section is 100 supplyes 150, sets up the draw-in groove on the block section, is provided with the through-hole on the slope section, and the draw-in groove block is installed spring fixed plate on the water pipe, and the one end of spring is hung in the through-hole of slope section through the couple, and the other end is hung on the through-hole that sets up on rotatory handle through the couple, realizes the installation of spring.

3. The spray assembly of claim 2, wherein: when the pulling force of the spring to the rotating handle and the pulling force of the rope to the rotating handle are collinear, the rotating handle is located at the closing position.

4. The spray assembly of claim 1, wherein: the shower nozzle is rotatably installed on the water pipe, and a plurality of nozzles are arranged on the shower nozzle and incline towards one side of the shower nozzle.

5. The spray assembly of claim 4, wherein: each nozzle is provided with a plurality of jet holes, and the nozzles are of diameter-expanding structures along the jet direction of water.

6. The spray assembly of claim 4, wherein: the shower nozzle passes through the installation department and installs on the water pipe, and the installation department includes tube-shape casing, cyclic annular support piece and bearing, and tube-shape casing registrates the outside at the water pipe, and cyclic annular support piece and bearing set up between tube-shape casing and water pipe, and cyclic annular support piece is located between shower nozzle and the bearing, tube-shape casing and shower nozzle fixed connection.