CN219579770U - Class D fire extinguisher - Google Patents

Abstract

The utility model discloses a D-type fire extinguisher, which comprises a fire extinguisher cylinder, a device head, a spray pipe, a horn nozzle, a base, a sliding component and a back plate component, wherein the device head is arranged on the base; the upper end of the fire extinguisher cylinder is provided with a connector head connected with the fire extinguisher cylinder, one side of the connector head is connected with a spray pipe communicated with the connector head, and the tail end of the spray pipe is connected with a horn nozzle communicated with the nozzle; the bottom of the fire extinguisher cylinder is provided with a base, the bottom of the fire extinguisher cylinder is embedded into the base, the lower end of the base is also provided with a sliding component, the sliding component is in a unfolding state, the sliding component drives the fire extinguisher cylinder to slide, and the sliding component is in a storage state, the sliding component drives the fire extinguisher cylinder to be not slide; the fire extinguisher barrel outside sets up can dismantle backplate subassembly, and backplate subassembly includes first backplate subassembly and second backplate subassembly, and the one side of backplate subassembly is equipped with the first backplate subassembly of fixed loading fire extinguisher barrel, and the opposite face of backplate subassembly one side is equipped with the second backplate subassembly of fixing on one's body.

Description

Class D fire extinguisher

Technical Field

The utility model relates to the technical field of fire extinguishers, in particular to a D-type fire extinguisher.

Background

Fire fighting fires are classified into seven categories according to the type of combustible and combustion characteristics: A. b, C, D, E, F, K. The class D fire is metal fire hazard, such as metals with lower molecular weights of potassium, sodium, magnesium, lithium and the like, have higher activity, are inflammable, can undergo severe reaction after combustion, and have the characteristics of combustion: the combustion temperature is high, and the heat radiation is strong; the combustion is rapid, and the difficulty of putting out the fire is high; the spreading speed is high, and the metal powder in the air is easy to mix and further explode, so that the extremely large casualties and property loss are caused.

The method for suppressing the development of the class D fire is the most effective method for suppressing the development of the early-stage fire, the superfine dry powder extinguishing agent is widely used as a new research result of the extinguishing agent, and the professional technical requirements for the class D fire extinguisher filled with the superfine dry powder extinguishing agent are gradually increased. Currently, the D-type fire extinguisher filled with the superfine dry powder extinguishing agent on the market has the following defects:

1. the fire extinguisher is heavy, when the fire is emergently extinguished, a user needs to lift or hold the fire extinguisher by hand to carry, if the fire extinguisher is carried remotely, the physical strength of the user is easily consumed, the fire extinguishing time is delayed, and the fire fighting speed is influenced;

2. when the fire extinguisher is moved in a short distance, a user needs to carry out movement by taking the fire extinguisher, so that the labor intensity of the user is increased, the working efficiency is reduced, the muscle is easily pulled under the condition of urgent time, and the safety coefficient is low;

3. the D-type fire extinguisher filled with the superfine dry powder extinguishing agent has the advantages that the overall structural design is unreasonable, the temperature range of the fire extinguisher cannot be ensured, the spraying performance is poor, the atomization effect and the foaming effect of the extinguishing agent are poor, the extinguishing effect of the extinguishing agent is not ideal, and the quick extinguishing is not facilitated;

4. it is difficult to find the location of the fire extinguisher when the fire extinguisher is used at night or in places where light is insufficient.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a D-type fire extinguisher. In order to solve the technical problems, the technical scheme of the utility model is as follows: a D-type fire extinguisher comprises a fire extinguisher cylinder body, a device head, a spray pipe, a horn nozzle, a base, a sliding component and a back plate component; the upper end of the fire extinguisher cylinder is provided with a connector head connected with the fire extinguisher cylinder, one side of the connector head is connected with a spray pipe communicated with the connector head, and the tail end of the spray pipe is connected with a horn nozzle communicated with the spray pipe;

the bottom of the fire extinguisher cylinder body is provided with a base, the bottom of the fire extinguisher cylinder body is embedded into the base, the lower end of the base is also provided with a sliding component, the unfolding state of the sliding component is that the sliding component drives the fire extinguisher cylinder body to slide, and the storage state of the sliding component is that the sliding component drives the fire extinguisher cylinder body to be non-slidable;

the fire extinguisher cylinder outside sets up can dismantle backplate subassembly, backplate subassembly includes first backplate subassembly and second backplate subassembly, the one side of backplate subassembly is equipped with the first backplate subassembly of fixed loading fire extinguisher cylinder, the opposite face of backplate subassembly one side is equipped with the second backplate subassembly of fixing on the human body.

Preferably, the base is cylindrical, supporting legs protruding downwards are arranged at four corners of the outer edge of the periphery of the bottom of the base, a concave accommodating cavity is further arranged in the middle of the bottom of the base and used for accommodating the sliding component, a circle of mounting circular ring is further arranged at the periphery of the concave accommodating cavity close to the outer edge of the periphery of the bottom, and the bottom of the mounting circular ring is connected with an upper end bearing of the sliding component;

the sliding assembly comprises a bearing and four groups of universal pulleys, the bearing is connected with the universal pulleys, and the four groups of universal pulleys are uniformly arranged along the circumferential direction of the bottom of the installation circular ring;

the storage state of the sliding assembly is that four groups of universal pulleys are folded inwards at the bottom of the installation circular ring, and the unfolding state of the sliding assembly is that the four groups of universal pulleys are erected outwards at the bottom of the installation circular ring; the axis of each universal pulley in the unfolding state is perpendicular to the axis of the universal pulley in the accommodating state, the axis of the universal pulley in the accommodating state is perpendicular to the axis of the fire extinguisher cylinder, and the sizes of the four groups of universal pulleys in the unfolding state and the accommodating state are all adapted to the concave accommodating cavity of the base; the height of the sliding component is higher than that of the base supporting leg in the unfolding state of the sliding component, and the height of the sliding component is lower than that of the base supporting leg in the storage state of the sliding component.

Preferably, the first backboard component comprises a backboard body, a fixing buckle and a fire extinguisher fixing belt;

the second backboard component comprises a waistband, shoulder straps and a protective strap;

one side of the first backboard component is fixedly connected with one side of the second backboard component, the fire extinguisher cylinder is fixedly loaded on the opposite side of the first backboard component, the opposite side of the second backboard component is fixed on a human body, and the first backboard component and the second backboard component are integrally formed.

Preferably, the fixing buckle is arranged at the upper end of the backboard body, the fire extinguisher fixing belt is arranged at the lower end of the backboard body, a first fixing point and a second fixing point are sequentially arranged along the fire extinguisher fixing belt from the middle to two sides, the first fixing point and the second fixing point are distributed in a mirror image mode on the fire extinguisher fixing belt, the first fixing point is fixedly connected to two ends of the lower edge of the backboard body, and the junction of the first fixing point and the lower end of the backboard body is fixedly connected to the protection belt; the second fixing points are fixedly connected to two sides of the protective belt; the fixed buckle is annular, the contact claw stretches out from the edge to the center of the fixed buckle to clamp the bottleneck at the upper end of the fire extinguisher cylinder, and the fire extinguisher fixing belt fixes the lower end of the fire extinguisher cylinder;

the positions of the fixing buckle and the fire extinguisher fixing belt on the back plate body are adjusted based on the size of the fire extinguisher cylinder;

the upper end of the backboard body is fixedly connected to the shoulder strap, and the lower end of the backboard body is fixedly connected to the protective strap;

the second backboard component is provided with a waistband on the protective belt along the width direction of the fire extinguisher cylinder, the length of the waistband is larger than that of the protective belt, the width of the waistband is smaller than that of the protective belt, one side of the protective belt is provided with a transverse waistband, and the opposite side of one side of the protective belt is fixed on a human body;

the waistband is fixedly connected with two lower end points of a shoulder strap which is unfolded in an n shape, and two ends of the waistband are provided with primary and secondary buckles;

one side of the waistband, an end point on one side of the shoulder strap and an end point on one side of the fire extinguisher fixing strap are connected with one side of the transverse protecting strap in a crossing way, and the other side of the waistband, an end point on the other side of the shoulder strap and an end point on the other side of the fire extinguisher fixing strap are connected with the other side of the transverse protecting strap in a crossing way;

when the fire extinguisher fixing belt is in a tensioning position, the back plate body can be wrapped on the fire extinguisher cylinder;

the waistband is used for fixing the fire extinguisher cylinder at the waist of a human body, and the shoulder straps are used for fixing the fire extinguisher cylinder at two sides of the shoulders of the human body.

Preferably, the upper end of the backboard body is also provided with a hand-held hole;

elastic adjusting buckles are arranged on the fire extinguisher fixing belt, the waistband and the shoulder straps on the two sides; the upper end of the backboard body is fixedly connected to one half of the length direction of the upper end of the shoulder strap;

when the first backboard component and the second backboard component are in a tensioning position, a stable dish-shaped structure is formed by connecting lines of the connection position between the backboard body and the shoulder strap, the connection position between the backboard body and the protecting strap, the connection position between the shoulder strap and the waistband on the protecting strap, the connection position of the fixing buckle and the fire extinguisher fixing strap for fixing the fire extinguisher cylinder body and the connection position between the fire extinguisher fixing strap and the backboard body.

Preferably, the bottom of the fire extinguisher cylinder body and the base are in a welding integrated structure.

Preferably, the device head is provided with a pressure indicator, the upper end of the fire extinguisher cylinder body is in threaded connection with the device head, one side of the device head is in threaded connection with a spray pipe, the tail end of the spray pipe is in threaded connection with a horn nozzle, the fire extinguisher cylinder body is of an integrated steel cylinder structure, and a light-emitting lantern ring is further arranged at the bottleneck of the fire extinguisher cylinder body.

Preferably, the inside of the fire extinguisher cylinder is also provided with a through siphon, the siphon is 3mm-8mm away from the bottom of the fire extinguisher cylinder, the diameter of the siphon is 10mm-20mm, the lower cavity of the siphon is of a conical structure, and the angle of the opening of the siphon is 20-45 degrees; the upper cavity of the siphon pipe is provided with a threaded connector head, and the periphery of the upper cavity of the siphon pipe is provided with an O-shaped sealing ring;

the joint of the spray pipe and the horn nozzle is also provided with a binding belt, and the binding belt is sleeved on the periphery of the fire extinguisher cylinder; one side of the binding belt is used for binding the joint of the spray pipe and the horn nozzle;

the fire extinguisher cylinder body still is equipped with the data plate, ribbon, data plate and luminous lantern ring all adopt fluorescence.

Preferably, the included angle of the horn nozzle is 20-45 degrees, the length of the spray pipe is 500-700 mm, the outer wall of the spray pipe is woven by metal, and the inner wall of the spray pipe is of a straight-through structure.

Preferably, the fire extinguisher cylinder body, the device head, the spray pipe, the horn nozzle, the base, the siphon pipe and the fixing buckle are all made of stainless steel.

Compared with the prior art, the utility model has the advantages that:

(1) The utility model discloses a D-type fire extinguisher, which adopts a backboard assembly when the D-type fire extinguisher is required to be carried for long-distance emergency fire extinguishing in case of fire disaster, so that the portable function of the fire extinguisher is realized, the defect of overlarge weight of the fire extinguisher is effectively overcome, the physical strength of a user is saved, the fire extinguishing time is shortened, and the fire extinguishing speed is accelerated; when the first backboard component and the second backboard component are in a tensioning position, a stable dish-shaped structure is formed by connecting lines of the connecting position between the backboard body and the shoulder belt, the connecting position between the backboard body and the protective belt, the connecting position between the shoulder belt and the waistband on the protective belt, the connecting position of the fixing buckle and the fire extinguisher fixing belt fixing fire extinguisher cylinder body and the connecting position between the fire extinguisher fixing belt and the backboard body, so that the stability of carrying a fire extinguisher is enhanced;

(2) When the fire extinguisher is moved in a short distance, the moving function of the fire extinguisher is realized through the sliding component of the fire extinguisher, the use is convenient, the physical strength of fire extinguishing personnel is saved, the fire extinguishing efficiency and the fire extinguishing coverage area are improved, and the universal pulley arranged on the sliding component can be stored in the base of the fire extinguisher without influencing the fixed storage of the fire extinguisher;

(3) The utility model discloses a D-type fire extinguisher which is specially used for filling superfine dry powder extinguishing agent in the interior, wherein a fire extinguisher cylinder body, a device head, a spray pipe, a horn nozzle, a base, a siphon pipe and a fixing buckle are all made of stainless steel, so that the superfine dry powder extinguishing agent has stable physicochemical properties at the temperature of minus 35 ℃ to plus 50 ℃; the fire extinguisher cylinder adopts an integrated design, only the bottle mouth is provided with a connecting port, all the connecting ports are connected by screw threads, so that the damage of temperature to a spraying part is effectively avoided to influence the spraying of the fire extinguishing agent, the outer wall of the spray pipe is woven by metal, the inner wall of the spray pipe adopts a straight-through structure, the diameter is smooth and free, and the included angle of a horn nozzle is 20-45 degrees; a straight-through siphon pipe is arranged in the fire extinguisher cylinder, and an O-shaped sealing ring is arranged on the periphery of the upper cavity of the siphon pipe; friction resistance can be effectively reduced, and good spraying performance can be maintained; the overall structure design improves the atomization effect and the foaming effect of the fire extinguishing agent, so that the fire extinguishing effect of the fire extinguishing agent is ideal, and the rapid fire extinguishing is facilitated.

(4) The binding belt, the nameplate and the luminous lantern ring all adopt fluorescence, so that when a fire disaster occurs, a person can quickly find the fire extinguisher under the condition of unclear vision.

Drawings

FIG. 1 is a schematic view of the overall front view plane structure of a class D fire extinguisher according to the present utility model;

FIG. 2 is a schematic view of a front view of a sliding component of a D-type fire extinguisher according to the present utility model;

FIG. 3 is a schematic view showing the bottom view of the recessed receiving cavity and sliding assembly of a class D fire extinguisher according to the present utility model;

FIG. 4 is a schematic view of an expanded structure of a back plate assembly of a class D fire extinguisher according to the present utility model;

FIG. 5 is a schematic diagram of the front view structure of a D-type fire extinguisher nozzle according to the present utility model;

FIG. 6 is a schematic diagram of the front view of a horn nozzle of a class D fire extinguisher according to the present utility model;

FIG. 7 is a schematic diagram of a sectional front view of the upper cavity of a siphon tube of a D-type fire extinguisher according to the present utility model;

FIG. 8 is a schematic diagram of a sectional view of the lower cavity of the siphon tube of the D-type fire extinguisher according to the present utility model.

Reference numerals illustrate:

1. fire extinguisher cylinder 2, device head 3, spray pipe 4, horn nozzle 5, base 6, sliding component 7, back plate component 8, pressure indicator 9, luminous collar 10, siphon pipe 11, ribbon 12, nameplate;

5-1, supporting legs, 5-2, a concave accommodating cavity, 5-3 and a mounting circular ring;

6-1, universal pulleys, 6-2 and bearings;

7-1, a first backboard component, 7-2, a second backboard component, 7-3, a primary-secondary buckle, 7-4 and a tightness adjusting buckle;

7-1-1, a backboard body, 7-1-2, a fixing buckle, 7-1-3, a fire extinguisher fixing belt, 7-1-4, a hand hole, 7-2-1, a waistband, 7-2-2, a shoulder strap, 7-2-3 and a protective belt;

10-1, O-shaped sealing ring, alpha, horn nozzle included angle, gamma, siphon included angle.

Detailed Description

The following describes specific embodiments of the present utility model with reference to examples:

it should be noted that the structures, proportions, sizes and the like illustrated in the present specification are used for being understood and read by those skilled in the art in combination with the disclosure of the present utility model, and are not intended to limit the applicable limitations of the present utility model, and any structural modifications, proportional changes or size adjustments should still fall within the scope of the disclosure of the present utility model without affecting the efficacy and achievement of the present utility model.

Example 1

As shown in fig. 1 to 8, the utility model discloses a D-type fire extinguisher, which is characterized in that: the fire extinguisher comprises a fire extinguisher cylinder 1, a device head 2, a spray pipe 3, a horn nozzle 4, a base 5, a sliding component 6 and a back plate component 7; the upper end of the fire extinguisher cylinder body 1 is provided with a connector head 2 connected with the fire extinguisher cylinder body, one side of the connector head 2 is connected with a spray pipe 3 communicated with the connector head, and the tail end of the spray pipe 3 is connected with a horn nozzle 4 communicated with the spray pipe;

as shown in fig. 1-2, a base 5 is arranged at the bottom of the fire extinguisher cylinder 1, the bottom of the fire extinguisher cylinder 1 is embedded into the base 5, a sliding component 6 is further arranged at the lower end of the base 5, the sliding component 6 is in an unfolding state, the sliding component 6 drives the fire extinguisher cylinder 1 to slide, and the sliding component 6 is in a storage state, the sliding component 6 drives the fire extinguisher cylinder 1 to be not slide;

as shown in fig. 4, a detachable back plate assembly 7 is arranged on the outer side of the fire extinguisher cylinder 1, the back plate assembly 7 comprises a first back plate assembly 7-1 and a second back plate assembly 7-2, one surface of the back plate assembly 7 is provided with the first back plate assembly 7-1 for fixedly loading the fire extinguisher cylinder 1, and the opposite surface of one surface of the back plate assembly 7 is provided with the second back plate assembly 7-2 fixed on a human body.

Example 2

As shown in fig. 2 and 3, preferably, the base 5 is cylindrical, four corners along the outer edge of the periphery of the bottom of the base 5 are provided with supporting feet 5-1 protruding downwards, a concave accommodating cavity 5-2 is further arranged in the middle of the bottom of the base 5, the concave accommodating cavity 5-2 is used for accommodating the sliding component 6, a circle of mounting circular ring 5-3 is further arranged at the periphery of the concave accommodating cavity 5-2 near the outer edge of the periphery of the bottom, and the bottom of the mounting circular ring 5-3 is connected with an upper end bearing 6-2 of the sliding component 6;

the supporting legs of the base are used for stably supporting the fire extinguisher cylinder, the middle concave accommodating cavity of the base is used for accommodating the sliding component, and the mounting circular ring is used for connecting the sliding component;

the sliding assembly 6 comprises a bearing 6-2 and four groups of universal pulleys 6-1, wherein the bearing 6-2 is connected with the universal pulleys 6-1, and the four groups of universal pulleys 6-1 are uniformly arranged along the circumferential direction of the bottom of the installation ring 5-3;

the storage state of the sliding assembly 6 is that the four groups of universal pulleys 6-1 are folded inwards at the bottom of the installation circular ring 5-3, and the unfolding state of the sliding assembly 6 is that the four groups of universal pulleys 6-1 are erected outwards at the bottom of the installation circular ring 5-3; the axis of the unfolding state of each universal pulley 6-1 is perpendicular to the accommodating state of the universal pulley 6-1, the axis of the accommodating state of the universal pulley 7-1 is perpendicular to the axis of the fire extinguisher cylinder 1, and the sizes of the unfolding state and the accommodating state of the four groups of universal pulleys 6-1 are both adapted to the concave accommodating cavity 5-2 of the base 5; the height of the sliding component 6 is higher than the height of the base 5 supporting leg 5-1 in the unfolding state of the sliding component 6, the height of the sliding component 6 is lower than the height of the base 5 supporting leg 5-1 in the storage state of the sliding component 6, and the sliding component 6 is not arranged on the base supporting leg 5-1 in a structure; the sliding component 6 drives the fire extinguisher to slide when the sliding component 6 is in a unfolding state, and the fire extinguisher cannot slide when the sliding component 6 is in a storage state.

The four groups of universal pulleys are arranged on the base supporting leg of the fire extinguisher cylinder body through bearings, the angles of the universal pulleys can be adjusted, when the fire extinguisher cylinder is required to be used, the four pulleys are unfolded along the bearings, and the pulleys support the fire extinguisher and can move at will; when the fire extinguisher is used, the four pulleys are folded in the concave accommodating cavity of the base of the fire extinguisher, and the fire extinguisher can still be stably placed on the plane.

When the fire extinguisher is moved in a short distance, the moving function of the fire extinguisher is realized through the sliding component of the fire extinguisher, the use is convenient, the physical strength of fire extinguishing personnel is saved, the fire extinguishing efficiency and the fire extinguishing coverage area are improved, and the universal pulley arranged by the sliding component can be stored in the concave containing cavity of the base of the fire extinguisher, so that the fixed storage of the fire extinguisher is not influenced.

As shown in fig. 4, preferably, the first back plate assembly 7-1 includes a back plate body 7-1-1, a fixing buckle 7-1-2 and a fire extinguisher fixing strap 7-1-3;

the second backboard component 7-2 comprises a waistband 7-2-1, a shoulder strap 7-2-2 and a protective strap 7-2-3;

one surface of the first backboard component 7-1 is fixedly connected with one surface of the second backboard component 7-2, the fire extinguisher cylinder 1 is fixedly loaded on the opposite surface of the first backboard component 7-1, the opposite surface of the second backboard component 7-2 is fixed on a human body, and the first backboard component 7-1 and the second backboard component 7-2 are integrally formed.

Preferably, the upper end of the back plate body 7-1-1 is provided with the fixing buckle 7-1-2, the lower end of the back plate body 7-1-1 is provided with the fire extinguisher fixing belt 7-1-3, a first fixing point 7-1-3-1 and a second fixing point 7-1-3-2 are sequentially arranged along the fire extinguisher fixing belt 7-1-3 from the middle to two sides, the first fixing point 7-1-3-1 and the second fixing point 7-1-3-2 are distributed in a mirror image mode on the fire extinguisher fixing belt 7-1-3, the first fixing point 7-1-3-1 is fixedly connected to two ends of the lower edge of the back plate body 7-1-1, and the junction of the first fixing point 7-1-3-1 and the lower end of the back plate body 7-1-1 is fixedly connected to the protection belt 7-2-3; the second fixing points 7-1-3-2 are fixedly connected to two sides of the protective belt 7-2-3; the fixing buckle 7-1-2 is annular, the edge of the fixing buckle 7-1-2 extends out of the contact claw from the edge to the center to clamp the bottleneck at the upper end of the fire extinguisher cylinder 1, and the fire extinguisher fixing belt 7-1-3 is used for fixing the lower end of the fire extinguisher cylinder 1;

the front view of the backboard body is of a hexagonal structure which is symmetrical along two sides of a symmetry axis.

The positions of the fixing buckles 7-1-2 and the fire extinguisher fixing belts 7-1-3 on the back plate body 7-1-1 are adjusted based on the size of the fire extinguisher cylinder 1;

the upper end of the backboard body 7-1-1 is fixedly connected to the shoulder strap 7-2-2, and the lower end of the backboard body 7-1-1 is fixedly connected to the protective strap 7-2-3;

the second backboard component 7-2 is provided with a waistband 7-2-1 on the protective band 7-2-3 along the width direction of the fire extinguisher cylinder 1, the length of the waistband 7-2-1 is longer than that of the protective band 7-2-3, the width of the waistband 7-2-1 is smaller than that of the protective band 7-2-3, one surface of the protective band 7-2-3 is provided with a transverse waistband 7-2-1, and the opposite surface of one surface of the protective band 7-2-3 is fixed on a human body;

the waistband 7-2-1 is fixedly connected with two lower end points of the shoulder strap 7-2-2 which is unfolded in an n shape, and two ends of the waistband 7-2-1 are provided with primary and secondary buckles (7-3) which are used for fixing the back plate component on the waist of a human body;

one side of the waistband 7-2-1, an end point on one side of the shoulder strap 7-2-2 and an end point on one side of the fire extinguisher fixing strap 7-1-3 are connected to one side of the transverse protecting strap 7-2-3 in a crossing manner, and the other side of the waistband 7-2-1, an end point on the other side of the shoulder strap 7-2-2 and an end point on the other side of the fire extinguisher fixing strap 7-1-3 are connected to the other side of the transverse protecting strap 7-2-3 in a crossing manner;

when the fire extinguisher fixing belt 7-1-3 is in a tensioning position, the back plate body 7-1-1 can be wrapped on the fire extinguisher cylinder 1;

the waistband 7-2-1 is used for fixing the fire extinguisher cylinder 1 on the waist of a human body, and the shoulder straps 7-2-2 are used for fixing the fire extinguisher cylinder 1 on two sides of the shoulder of the human body.

Preferably, the upper end of the backboard body 7-1-1 is also provided with a hand-held hole 7-1-4;

the fire extinguisher fixing belt 7-1-3, the waistband 7-2-1 and the shoulder straps 7-2-2 on the two sides are respectively provided with an elastic adjusting buckle 7-4; the upper end of the backboard body 7-1-1 is fixedly connected to one half of the shoulder strap 7-2-2 in the length direction;

when the first backboard component 7-1 and the second backboard component (7-2) are in a tensioning position, the connecting position between the backboard body 7-1-1 and the shoulder strap 7-2-2, the connecting position between the backboard body 7-1-1 and the protecting strap 7-2-3, the connecting position between the shoulder strap 7-2-2 and the waistband 7-2-1 on the protecting strap 7-2-3, the connecting position between the fixing buckle 7-1-2 and the fire extinguisher fixing strap 7-1-3 for fixing the fire extinguisher cylinder body 1, and the connecting line between the fire extinguisher fixing strap 7-1-3 and the backboard body 7-1-1 form a stable dish-shaped structure.

The fire extinguisher is firmly fixed on the backboard body through the fixing buckle and the fire extinguisher fixing belt, the length of the waistband, the shoulder belt and the fire extinguisher fixing belt can be freely adjusted according to the actual use condition, one side of the waistband, which is fixed with the protecting belt, is the waistband, the opposite side of the protecting belt is the waistband, and the protecting belt is positioned at the middle position of the waistband.

The portable hole has been seted up at the backplate body top, and the personnel of being convenient for easily rotate the backplate subassembly, rotates the fire extinguisher to the position below the chest in health when using the fire extinguisher. Shoulder and waistband are fixed connection respectively in the top and the below of backplate body, fixed buckle and fire extinguisher fixed band are fixed mounting respectively in the top and the below of backplate body, fire extinguisher bottleneck is arranged in fixed buckle department, fire extinguisher fixed band department is arranged in to fire extinguisher bottle lower part, realize waistband, shoulder, fire extinguisher fixed band length adjustment through the elasticity regulation knot, fix the backplate subassembly on human waist through primary and secondary buckle, the shoulder is worn the fire extinguisher through the vacancy of shoulder both sides, backplate subassembly constitutes knapsack formula structure and can make the fire extinguisher firmly fix on the backplate main part.

When a D-type fire extinguisher is required to be carried remotely during emergency fire extinguishing of a fire disaster, the back plate assembly is adopted, so that the portable function of the fire extinguisher is realized, the defect of overlarge weight of the fire extinguisher is effectively overcome, the physical strength of a user is saved, the fire fighting time is shortened, and the fire fighting speed is accelerated; when the first backboard component and the second backboard component are in a tensioning position, the connection position between the backboard body and the shoulder strap, the connection position between the backboard body and the protecting strap, the connection position between the shoulder strap and the waistband on the protecting strap, the connection position of the fixing buckle and the fire extinguisher fixing strap fixing fire extinguisher cylinder, the connection position between the fire extinguisher fixing strap and the backboard body, and the connecting line of the waistband and the protecting strap fixing connection position form a stable 'dish' -shaped structure, so that the stability of carrying the fire extinguisher is enhanced.

Preferably, the head 2 is provided with a pressure indicator 8 for indicating the working pressure in the extinguisher;

the upper end of the fire extinguisher cylinder body 1 is in threaded connection with the device head 2, one side of the device head 2 is in threaded connection with the spray pipe 3, the tail end of the spray pipe 3 is in threaded connection with the horn nozzle 4, and all the connection parts are in threaded connection, so that the influence of the temperature on the destructiveness of the spraying part to the spraying of the fire extinguishing agent is effectively avoided;

the bottom of the fire extinguisher cylinder body 1 and the base 5 are of a welding integrated structure.

Example 3

As shown in fig. 1, preferably, the fire extinguisher cylinder 1 is of an integrated steel cylinder structure, and a light-emitting lantern ring 9 is further arranged at the opening of the fire extinguisher cylinder 1.

The fire extinguisher cylinder body is a seamless steel cylinder body, an integrated design is adopted, only a connecting port is formed in the bottle mouth, all the connecting ports are connected through threads, namely, a connector head in threaded connection with the fire extinguisher cylinder body is arranged at the upper end of the fire extinguisher cylinder body, one side of the connector head is in threaded connection with a spray pipe communicated with the connector head, the tail end of the spray pipe is in threaded connection with a horn nozzle communicated with the spray pipe, and a threaded connector head in an upper cavity of a siphon pipe, and the shock has little influence on the fire extinguisher cylinder body.

As shown in fig. 7 and 8, preferably, a through siphon 10 is further disposed inside the fire extinguisher cylinder 1, the siphon 10 is 5mm away from the bottom of the fire extinguisher cylinder 1, the diameter of the siphon 10 is 15mm, the lower cavity of the siphon 10 is in a conical structure, and the included angle of an angle gamma siphon of an opening of the siphon 10 is 25 degrees; the upper cavity of the siphon pipe 10 is provided with a threaded connector head 2, and the periphery of the upper cavity of the siphon pipe 10 is provided with an O-shaped sealing ring 10-1;

the diameter and opening angle of the siphon can be determined according to the filling amount of the fire extinguishing agent, the friction resistance in the metal siphon is small, and good spraying performance can be maintained under high and low temperature and vibration environments.

A binding belt 11 is further arranged at the joint of the spray pipe 3 and the horn nozzle 4, and the binding belt 11 is sleeved on the periphery of the fire extinguisher cylinder 1; one side of the ribbon 11 is tied up at the joint of the spray pipe 3 and the horn nozzle 4;

the spray pipe, the horn nozzle and the fire extinguisher cylinder body of the fire extinguisher are fixed through the binding belt, so that the fire extinguisher is convenient to transport and carry.

The fire extinguisher cylinder 1 body still is equipped with data plate 12, ribbon 11, data plate 12 and luminous lantern ring 9 all adopt fluorescence.

The nameplate is marked with important indication information such as manufacturer, production date, using method, effective using period and the like.

The binding belt, the nameplate and the luminous lantern ring all adopt fluorescence, so that when a fire disaster occurs, a person can quickly find the fire extinguisher under the condition of unclear vision.

As shown in fig. 5 and 6, preferably, the included angle α of the horn nozzle 4 is 25 °, the length of the nozzle 3 is 500mm, the outer wall of the nozzle 3 is woven by metal, and the inner wall of the nozzle 3 is in a straight-through structure.

Preferably, the fire extinguisher cylinder 1, the device head 2, the spray pipe 3, the horn nozzle 4, the base 5, the siphon pipe 10 and the fixing buckle 7-1-2 are all made of stainless steel, and the back plate body 7-1-1 is made of carbon fiber composite material through injection molding.

Example 4

The length of the spray pipe is 600mm as shown in fig. 5, the outer wall of the spray pipe 3 is woven by metal, the inner wall of the spray pipe 3 is of a straight-through structure, two ends of the spray pipe are in threaded connection, the left side of the spray pipe is connected with a horn nozzle, the right side of the spray pipe is connected with a machine head, the length of the spray pipe is 600mm, the outer part of the spray pipe is of a metal woven structure, the inner part of the spray pipe is of a straight-through structure, the spray pipe is of a metal material, and the outer wall of the spray pipe is of a woven structure, so that the spray pipe has good bending property, and the spraying of a fire extinguisher is not influenced; the inner wall adopts the straight-through structure, and inside is smooth, the diameter of no reducing, can effectively reduce frictional resistance, and the spray tube length is confirmed through calculation, can fully guarantee the performance of spouting of fire extinguisher.

Preferably, the fire extinguisher cylinder 1, the device head 2, the spray pipe 3, the horn nozzle 4, the base 5, the siphon pipe 10 and the fixing buckle 7-1-2 are made of SUS304 austenitic stainless steel, and the back plate body 7-1-1 is made of carbon fiber composite material through injection molding.

The backplate body adopts carbon fiber composite material to mould plastics, and the buckle adopts SUS304 austenitic stainless steel material, and backplate subassembly is taut to carry the weight of fire extinguisher that is enough to bear when the fire extinguisher.

The fire extinguisher cylinder 1, the device head 2, the spray pipe 3, the horn nozzle 4, the base 5, the siphon pipe 10 and the fixing buckle 7-1-2 are made of SUS304 austenitic stainless steel, and have the characteristics of high and low temperature resistance and high vibration resistance strength, and can ensure that the surface is not damaged or deformed after being respectively circulated and maintained for 24 hours under the environmental conditions of minus 35 ℃ and 50 ℃, and the normal use function can be still maintained.

The utility model discloses a D-type fire extinguisher which is specially used for filling superfine dry powder extinguishing agent in the interior, wherein a fire extinguisher cylinder body, a device head, a spray pipe, a horn nozzle, a base, a siphon pipe and a fixing buckle are all made of stainless steel, so that the superfine dry powder extinguishing agent has stable physicochemical properties at the temperature of minus 35 ℃ to plus 50 ℃; the fire extinguisher cylinder adopts an integrated design, only the bottle mouth is provided with a connecting port, all the connecting ports are connected by screw threads, the damage of the temperature to the sprayed parts is effectively avoided, the spraying of the fire extinguishing agent is influenced, the outer wall of the spray pipe is woven by metal, the inner wall of the spray pipe adopts a straight-through structure, the diameter is smooth and free, and the included angle of the horn nozzle is 20-45 degrees; a straight-through siphon pipe is arranged in the fire extinguisher cylinder, and an O-shaped sealing ring is arranged on the periphery of the upper cavity of the siphon pipe; friction resistance can be effectively reduced, and good spraying performance can be maintained; the overall structure design improves the atomization effect and the foaming effect of the fire extinguishing agent, so that the fire extinguishing effect of the fire extinguishing agent is ideal, and the rapid fire extinguishing is facilitated.

Example 5

The working principle of the D-type fire extinguisher is as follows:

when a fire disaster occurs, the luminous lantern ring, the binding belt and the nameplate can emit fluorescence in a dark environment to indicate the position of the fire extinguisher, and a user can find the D-type fire extinguisher and can move the fire extinguisher in a long distance and a short distance according to the actual condition of the scene. When the fire scene is closer, a user pulls out the universal pulley of the base of the D-type fire extinguisher along the bearing, moves the D-type fire extinguisher to the vicinity of the fire source point to extinguish the fire, and can utilize the universal pulley to continuously push the mobile fire extinguisher in the fire extinguishing process, so that the fire extinguishing coverage area is enlarged. When far away from the fire scene, place D type fire extinguisher in supporting backplate body, back up the backplate subassembly, personnel can reach the source of fire point rapidly, untie the waistband after reaching the source of fire point, adjust and shoulder the length, place D type fire extinguisher in the chest below position, personnel can borrow the power to bear, easily mention the fire extinguisher and develop the fire extinguishing operation. When certain special operations are carried out or dangerous places are entered, the back plate assembly can be utilized to carry the fire extinguisher on the fire extinguisher for a long time, so that emergency operation under emergency conditions is facilitated.

When the fire extinguishing operation is carried out, a user pulls out the lead seal on the D-type fire extinguisher head, the user tightly holds the nozzle at the front end of the fire extinguisher head by one hand to aim at a fire source, and the user lifts the D-type fire extinguisher head by the other hand and presses down the handle on the fire extinguisher head to uniformly spray the superfine dry powder fire extinguishing agent on the surface of a combustion object. At the moment, the high-pressure gas in the fire extinguisher cylinder drives the superfine dry powder extinguishing agent to be sprayed out through the siphon pipe, the spray pipe and the horn nozzle in sequence, the inner walls of the siphon pipe, the spray pipe and the horn nozzle are smooth at the temperature of minus 35 ℃ or plus 50 ℃, the outer parts of the siphon pipe, the spray pipe and the horn nozzle are free from deformation and damage, so that the superfine dry powder extinguishing agent is smoothly conveyed out of the bottle body, and after contacting the surface of a burned metal object, the superfine dry powder extinguishing agent quickly forms a fusion coating layer at high temperature to isolate external air, thereby asphyxiating and extinguishing.

The main performance parameters of the D-type fire extinguisher provided by the utility model are as follows:

filling amount: 10Kg and above; jet distance: not less than 5m; effective injection time: not less than 15s; jet residual rate: not more than 15%; injection lag time: no more than 5s; filling pressure (20 ℃): 1.2MPa; the use temperature range is as follows: -35 to +50℃.

The D-type fire extinguisher disclosed by the utility model is specially used for filling the superfine dry powder extinguishing agent into the D-type fire extinguisher, so that the fire disaster in the initial stage can be effectively extinguished, the fire extinguisher cylinder, the device head, the spray pipe, the horn nozzle, the base, the siphon pipe and the fixing buckle are all made of SUS304 austenitic stainless steel, the whole structural design is ingenious, the use temperature range of the fire extinguisher is ensured, the spraying effect is good, the fire extinguisher can be quickly used no matter the fire extinguisher is used in a short distance or a long distance, the fire extinguisher is convenient and quick, time and labor are saved, and the quick fire extinguishing is facilitated.

While the preferred embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.

Many other changes and modifications may be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims (10)

1. A class D fire extinguisher, characterized in that: the fire extinguisher comprises a fire extinguisher cylinder (1), a device head (2), a spray pipe (3), a horn nozzle (4), a base (5), a sliding component (6) and a back plate component (7); the upper end of the fire extinguisher cylinder body (1) is provided with a connector head (2) connected with the fire extinguisher cylinder body, one side of the connector head (2) is connected with a spray pipe (3) communicated with the connector head, and the tail end of the spray pipe (3) is connected with a horn nozzle (4) communicated with the spray pipe;

the fire extinguisher is characterized in that a base (5) is arranged at the bottom of the fire extinguisher cylinder (1), the bottom of the fire extinguisher cylinder (1) is embedded into the base (5), a sliding component (6) is further arranged at the lower end of the base (5), the unfolding state of the sliding component (6) is that the sliding component (6) drives the fire extinguisher cylinder (1) to slide, and the storage state of the sliding component (6) is that the sliding component (6) drives the fire extinguisher cylinder (1) to be not slid;

the fire extinguisher cylinder body (1) outside sets up can dismantle backplate subassembly (7), backplate subassembly (7) are including first backplate subassembly (7-1) and second backplate subassembly (7-2), the one side of backplate subassembly (7) is equipped with first backplate subassembly (7-1) of fixed loading fire extinguisher cylinder body (1), the opposite face of backplate subassembly (7) one side is equipped with second backplate subassembly (7-2) of fixing on one's body.

2. A class D fire extinguisher as claimed in claim 1, wherein: the base (5) is cylindrical, supporting legs (5-1) protruding downwards are arranged at four corners of the outer edge of the periphery of the bottom of the base (5), a concave accommodating cavity (5-2) is further arranged in the middle of the bottom of the base (5), the concave accommodating cavity (5-2) is used for accommodating the sliding component (6), a circle of mounting circular ring (5-3) is further arranged at the outer edge of the periphery of the bottom, which is close to the periphery of the bottom of the concave accommodating cavity (5-2), the bottom of the mounting circular ring (5-3) is connected with an upper end bearing (6-2) of the sliding component (6),

the sliding assembly (6) comprises a bearing (6-2) and four groups of universal pulleys (6-1), the bearing (6-2) is connected with the universal pulleys (6-1), and the four groups of universal pulleys (6-1) are uniformly arranged along the circumferential direction of the bottom of the installation circular ring (5-3);

the storage state of the sliding assembly (6) is that four groups of universal pulleys (6-1) are folded inwards at the bottom of the installation circular ring (5-3), and the unfolding state of the sliding assembly (6) is that the four groups of universal pulleys (6-1) are erected outwards at the bottom of the installation circular ring (5-3); the axis of the unfolding state of each universal pulley (6-1) is perpendicular to the axis of the accommodating state of the universal pulley (6-1), the axis of the accommodating state of the universal pulley (6-1) is perpendicular to the axis of the fire extinguisher cylinder (1), and the sizes of the unfolding state and the accommodating state of the four groups of universal pulleys (6-1) are both adapted to the concave accommodating cavity (5-2) of the base (5); the height of the sliding component (6) is higher than the height of the supporting leg (5-1) of the base (5) in the unfolding state of the sliding component (6), and the height of the sliding component (6) is lower than the height of the supporting leg (5-1) of the base (5) in the storage state of the sliding component (6).

3. A class D fire extinguisher as claimed in claim 1, wherein: the first backboard component (7-1) comprises a backboard body (7-1-1), a fixing buckle (7-1-2) and a fire extinguisher fixing belt (7-1-3);

the second backboard component (7-2) comprises a waistband (7-2-1), shoulder straps (7-2-2) and a protective strap (7-2-3);

one surface of the first backboard component (7-1) is fixedly connected with one surface of the second backboard component (7-2), the opposite surface of the first backboard component (7-1) is fixedly provided with the fire extinguisher cylinder (1), the opposite surface of the second backboard component (7-2) is fixed on a human body, and the first backboard component (7-1) and the second backboard component (7-2) are integrally formed.

4. A class D fire extinguisher as claimed in claim 3, wherein:

the fire extinguisher comprises a back plate body (7-1-1), wherein the upper end of the back plate body (7-1-1) is provided with a fixing buckle (7-1-2), the lower end of the back plate body (7-1-1) is provided with a fire extinguisher fixing belt (7-1-3), a first fixing point (7-1-3-1) and a second fixing point (7-1-3-2) are sequentially arranged along the fire extinguisher fixing belt (7-1-3) from the middle to two sides, the first fixing point (7-1-3-1) and the second fixing point (7-1-3-2) are in mirror image distribution on the fire extinguisher fixing belt (7-1-3), the first fixing point (7-1-3-1) is fixedly connected to the two ends of the lower edge of the back plate body (7-1-1), and the first fixing point (7-1-3-1) is fixedly connected to the lower end of the back plate body (7-1-1) at the intersection of the protecting belt (7-2-3); the second fixed points (7-1-3-2) are fixedly connected to two sides of the protective belt (7-2-3); the fixing buckle (7-1-2) is annular, the contact claw stretches out from the edge of the fixing buckle (7-1-2) to the center to clamp the bottleneck at the upper end of the fire extinguisher cylinder (1), and the fire extinguisher fixing belt (7-1-3) is used for fixing the lower end of the fire extinguisher cylinder (1);

the positions of the fixing buckle (7-1-2) and the fire extinguisher fixing belt (7-1-3) on the back plate body (7-1-1) are adjusted based on the size of the fire extinguisher cylinder (1);

the upper end of the backboard body (7-1-1) is fixedly connected to the shoulder strap (7-2-2), and the lower end of the backboard body (7-1-1) is fixedly connected to the protective strap (7-2-3);

the second backboard component (7-2) is provided with a waistband (7-2-1) on the protective band (7-2-3) along the width direction of the fire extinguisher cylinder (1), the length of the waistband (7-2-1) is larger than that of the protective band (7-2-3), the width of the waistband (7-2-1) is smaller than that of the protective band (7-2-3), one surface of the protective band (7-2-3) is provided with a transverse waistband (7-2-1), and the opposite surface of one surface of the protective band (7-2-3) is fixed on a human body;

the waistband (7-2-1) is fixedly connected with two lower end points of the n-shaped shoulder strap (7-2-2), and two ends of the waistband (7-2-1) are provided with primary and secondary buckles (7-3);

one side of the waistband (7-2-1), an end point on one side of the shoulder strap (7-2-2) and an end point on one side of the fire extinguisher fixing belt (7-1-3) are connected to one side of the transverse protecting belt (7-2-3) in a crossing manner, and the other side of the waistband (7-2-1), an end point on the other side of the shoulder strap (7-2-2) and an end point on the other side of the fire extinguisher fixing belt (7-1-3) are connected to the other side of the transverse protecting belt (7-2-3) in a crossing manner;

when the fire extinguisher fixing belt (7-1-3) is in a tensioning position, the back plate body (7-1-1) can be wrapped on the fire extinguisher cylinder (1);

the waistband (7-2-1) is used for fixing the fire extinguisher cylinder (1) at the waist of a human body, and the shoulder straps (7-2-2) are used for fixing the fire extinguisher cylinder (1) at two sides of the shoulder of the human body.

5. A class D fire extinguisher as claimed in claim 3, wherein:

the upper end of the backboard body (7-1-1) is also provided with a hand-held hole (7-1-4);

the fire extinguisher fixing belt (7-1-3), the waistband (7-2-1) and the shoulder straps (7-2-2) on both sides are provided with tightness adjusting buckles (7-4); the upper end of the backboard body (7-1-1) is fixedly connected to one half of the shoulder strap (7-2-2) in the length direction;

when the first backboard component (7-1) and the second backboard component (7-2) are in a tensioning position, a connecting position between the backboard body (7-1-1) and the shoulder strap (7-2-2), a connecting position between the backboard body (7-1-1) and the protective strap (7-2-3), a connecting position between the shoulder strap (7-2-2) and the waistband (7-2-1) on the protective strap (7-2-3), a connecting position between the fixing buckle (7-1-2) and the fire extinguisher fixing strap (7-1-3) for fixing the fire extinguisher cylinder (1), and a connecting line between the fire extinguisher fixing strap (7-1-3) and the backboard body (7-1-1) form a stable dish-shaped structure.

6. A class D fire extinguisher as claimed in claim 1, wherein: the bottom of the fire extinguisher cylinder body (1) and the base (5) are of a welding integrated structure.

7. A class D fire extinguisher as claimed in claim 1, wherein: the head (2) is provided with a pressure indicator (8); the upper end of the fire extinguisher cylinder body (1) is in threaded connection with the device head (2), one side of the device head (2) is in threaded connection with the spray pipe (3), and the tail end of the spray pipe (3) is in threaded connection with the horn nozzle (4);

the fire extinguisher cylinder body (1) is of an integrated steel cylinder structure, and a luminous lantern ring (9) is further arranged at the bottleneck of the fire extinguisher cylinder body (1).

8. A class D fire extinguisher as claimed in claim 1, wherein: the fire extinguisher is characterized in that a through type siphon pipe (10) is further arranged in the fire extinguisher cylinder body (1), the distance between the siphon pipe (10) and the bottom of the fire extinguisher cylinder body (1) is 3-8 mm, the diameter of the siphon pipe (10) is 10-20 mm, the lower cavity of the siphon pipe (10) is of a conical structure, and the opening angle of the siphon pipe (10) is 20-45 degrees; the siphon (10) is provided with an upper cavity threaded connector head (2), and the periphery of the upper cavity of the siphon (10) is provided with an O-shaped sealing ring (10-1);

a binding belt (11) is further arranged at the joint of the spray pipe (3) and the horn nozzle (4), and the binding belt (11) is sleeved on the periphery of the fire extinguisher cylinder (1); one side of the binding belt (11) is tied up at the joint of the spray pipe (3) and the horn nozzle (4);

the fire extinguisher cylinder body (1) body still is equipped with data plate (12), ribbon (11), data plate (12) and luminous lantern ring (9) all adopt fluorescence.

9. A class D fire extinguisher as claimed in claim 1, wherein: the included angle of the horn nozzle (4) is 20-45 degrees, the length of the spray pipe (3) is 500-700 mm, the outer wall of the spray pipe (3) is woven by metal, and the inner wall of the spray pipe (3) is of a straight-through structure.

10. A class D fire extinguisher as claimed in claim 1, wherein: the fire extinguisher cylinder body (1), the device head (2), the spray pipe (3), the horn nozzle (4), the base (5), the siphon pipe (10) and the fixing buckle (7-1-2) are all made of stainless steel.