CN213657018U

CN213657018U - Fire-fighting ventilating duct

Info

Publication number: CN213657018U
Application number: CN202022031548.6U
Authority: CN
Inventors: 赵庆功
Original assignee: Shandong Qinggong Pipeline Welding Installation Co ltd
Current assignee: Shandong Qinggong Pipeline Welding Installation Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-07-09
Anticipated expiration: 2030-09-16

Abstract

The utility model relates to the technical field of fire fighting, and discloses a fire fighting ventilation pipeline, which comprises a ventilation pipe, wherein the upper end of the ventilation pipe is provided with a connecting pipe, a rotating shaft is rotatably connected on the connecting pipe, the upper end of the rotating shaft is fixedly connected with a plurality of connecting rods, the other ends of the connecting rods are fixedly connected with a wind cup, an upper baffle plate is fixedly connected on the rotating shaft above the connecting pipe, and a fan blade is fixedly connected on the rotating shaft in the connecting pipe, one side of the connecting pipe, which is far away from an air outlet, is fixedly connected with a wind vane plate, the rotating shaft is driven by wind power to rotate in a windy state through the rotating shaft which is fixedly connected with the wind cup on the ventilation pipe, so that the air inlet speed is accelerated, the ventilation efficiency is improved, the wind vane plate is fixedly connected on the back of the connecting pipe, and the, more air is brought into the ventilating pipe under the action of wind power, and the ventilating efficiency is further improved.

Description

Fire-fighting ventilating duct

Technical Field

The utility model relates to a fire control technical field specifically is a fire control air pipe.

Background

The fire-fighting pipeline refers to a pipeline used in the fire-fighting aspect and used for connecting fire-fighting equipment, gas or other media. Due to special requirements, the thickness and the material of the fire fighting pipeline have special requirements, and the fire fighting pipeline is sprayed with red oil paint and used for conveying fire fighting water. Because the fire-fighting pipeline is usually in a static state, the requirement on the pipeline is strict, and the pipeline needs pressure resistance, corrosion resistance and good high-temperature resistance. Can be roughly divided into nodular cast iron feed pipes, copper pipes, stainless steel pipes, alloy pipes, composite pipes and plastic pipes.

When a fire hazard occurs, the fire fighting pipeline is used for conveying toxic smoke and the like, but most of the time, the fire fighting pipeline is used as a ventilation pipe to exchange air, an outlet at the upper end of the fire fighting pipeline is generally positioned on the roof and is arranged in the open air, and is generally connected with an unpowered hood, but the unpowered hood is a rain-proof hood without a ventilation function when no wind exists, because the ventilation area of the unpowered hood is small, smoke turns greatly, the path is not smooth, so that the ventilation efficiency is low, some buildings directly turn the outlet of the ventilation pipe to prevent rainwater, dust and the like from falling into the pipeline, and the unpowered hood is not connected, so that the ventilation area is enlarged, but the design cannot utilize natural wind to the maximum extent, so that the ventilation effect is improved, the ventilation efficiency is greatly influenced by the wind direction, and when the wind passes through, the external dust and the like can enter the room along with the wind, the installation filter screen can improve air quality, but the filter screen live time is easy to be blockked up for a long time to reduce the result of use of ventilation pipe, block up the ventilation pipe completely even, will be very dangerous when taking place conflagration.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a fire control air pipe, possess advantages such as ventilation efficiency height, clean filter screen, solved the problem that the background art provided to the not enough of prior art.

(II) technical scheme

For the purpose of realizing above-mentioned ventilation efficiency height, clean filter screen, the utility model provides a following technical scheme: the utility model provides a fire control air pipe, includes the ventilation pipe, the ventilation pipe upper end is provided with the connecting pipe, it is connected with the pivot to rotate on the connecting pipe, a plurality of connecting rods of pivot upper end fixedly connected with, it is a plurality of the equal fixedly connected with wind cup of the connecting rod other end is located fixedly connected with overhead gage in the pivot of connecting pipe top is located the fixedly connected with fan blade in the pivot in the connecting pipe, the air outlet one side fixedly connected with wind vane is kept away from to the connecting pipe, fixedly connected with filter screen in the ventilation pipe upper end, the pivot lower extreme runs through filter screen center setting, is located equal fixedly connected with brush-holder stud in the pivot below on.

Preferably, the lower surface of the upper baffle is embedded with a first ball, and the connecting pipe is provided with a first groove matched with the first ball corresponding to the first ball.

Preferably, a second ball is embedded in the upper end of the ventilation pipe, and a second groove matched with the second ball is formed in the position, corresponding to the second ball, of the connecting pipe.

Preferably, the surface of one side, close to the filter screen, of each of the two brush rods is fixedly connected with bristles, and the two brush rods are arranged oppositely to the rotating shaft.

Preferably, a protective cover is fixedly connected to the rotating shaft above the upper baffle, and the protective cover is in a positive conical shape.

Preferably, the opening of the connecting pipe is arranged to be inclined inwards, and the lower end of the opening of the connecting pipe is arranged to be inclined downwards.

Preferably, the rotating wind direction when the fan blades rotate is downward.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of fire control air pipe, through the connecting pipe at ventilation pipe upper end fixed connection opening slope, can prevent rainwater, entering ventilation pipe such as dust, can improve draught area again to improve ventilation efficiency, through the pivot that sets up fixedly connected with wind cup on the ventilation pipe, through the fan blade of fixed connection downwind in the pivot, drive the pivot rotation through wind-force in windy state, thereby drive the fan blade and rotate, air admission speed accelerates, ventilation efficiency has been improved.

2. This kind of fire control air pipe, through at connecting pipe back fixed connection weather vane board, when windy, wind-force promotion weather vane board moves the connecting pipe and rotates, makes the connecting pipe opening aim at wind-force direction all the time, makes more air brought into in the ventilation pipe under the wind-force effect, further improves ventilation efficiency.

3. This kind of fire control air pipe filters through setting up impurities such as dust of filter screen in to the air in the ventilation pipe, thereby improved the quality of sending into the room air, it is more healthy to the human body, through surface setting brush-holder stud about the filter screen, and with brush-holder stud and pivot fixed connection, thereby the pivot is rotated and is driven the brush-holder stud and rotate and clean the filter screen when windy state, prevent that filter screen filter effect from reducing and plugging up even, remove artifical cleanness from, it is more convenient to use.

Drawings

Fig. 1 is a schematic front view of a fire-fighting ventilation duct of the present invention;

fig. 2 is a schematic top view of the fire-fighting ventilation duct of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1;

fig. 4 is a schematic structural diagram at B in fig. 1.

In the figure: the wind power generator comprises a ventilation pipe 1, a connecting pipe 2, a rotating shaft 3, a connecting rod 4, a wind cup 5, an upper baffle 6, a fan blade 7, a wind vane plate 8, a filter screen 9, a brush rod 10, a first ball 11, a first groove 12, a second ball 13, a second groove 14 and a protective cover 15.

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.

Example 1

Referring to fig. 1-4, a fire-fighting ventilation duct comprises a ventilation duct 1, a connection pipe 2 is arranged at the upper end of the ventilation duct 1, a second ball 13 is embedded in the upper end of the ventilation duct 1, a second groove 14 matched with the second ball 13 is arranged on the connection pipe 2 corresponding to the second ball 13, the design is that the second ball 13 and the second groove 14 are respectively arranged between the ventilation duct 1 and the connection pipe 2, when the ventilation duct 1 and the connection pipe 2 rotate mutually, the second ball 13 rolls on the second groove 14, the friction force is greatly reduced, the wind power required to brake a wind direction plate 8 is reduced, the design has practicability, meanwhile, the limit effect is achieved through the embedding between the second ball 13 and the second groove 14, the position of the connection pipe 2 is more accurate and stable when rotating, the service life is prolonged, a rotating shaft 3 is rotatably connected on the connection pipe 2, a plurality of connecting rods 4 are fixedly connected at the upper end of the rotating shaft 3, the other ends of the connecting rods 4 are fixedly connected with wind cups 5, the rotating shaft 3 above the connecting pipe 2 is fixedly connected with an upper baffle 6, the rotating shaft 3 above the upper baffle 6 is fixedly connected with a protective cover 15, the protective cover 15 is in a positive conical shape, the design protects the connecting part of the rotating shaft 3 and the connecting pipe 2 by arranging the conical protective cover 15, rainwater, dust and the like are prevented from entering, so that the service life is prolonged, the first ball 11 is embedded in the lower surface of the upper baffle 6, the connecting pipe 2 is provided with a first groove 12 matched with the first ball 11 corresponding to the first ball 11, the design greatly reduces the friction force by respectively arranging the first ball 11 and the first groove 12 between the upper baffle 6 and the connecting pipe 2, so that the rotating shaft 3 is driven to rotate by wind force, the first ball 11 rolls on the first groove 12, thereby reducing the wind force required for braking the rotating shaft 3, the utility model has the advantages of practicality, simultaneously, through the embedding between the first ball 11 and the first groove 12, the limiting function is played, the position is more accurate and stable when the rotating shaft 3 rotates, the fan blade 7 is fixedly connected on the rotating shaft 3 positioned in the connecting pipe 2, the rotating wind direction when the fan blade 7 rotates is downward, the design can improve the ventilation efficiency when wind exists outside, the rotating shaft 3 drives the fan blade 7 to rotate to accelerate the air intake of the opening part of the connecting pipe 2, the side of the connecting pipe 2 far away from the air outlet is fixedly connected with the wind vane plate 8, the filter screen 9 is fixedly connected in the upper end of the ventilation pipe 1, the lower end of the rotating shaft 3 penetrates through the center of the filter screen 9, the brush rods 10 are fixedly connected on the rotating shaft 3 positioned above and below the filter screen 9, the surface of one side of the two brush rods 10 close to the filter screen 9 is fixedly connected with brush hair, the two brush rods 10, the efficiency of brushing is improved, the result of use is better, sets up relatively through two brush-holder stud 10, can make 3 rotations half rings of pivot, and two brush-holder studs 10 clean one time to whole filter screen, and the result of use is better.

Example 2

The rest of the process is the same as that of the example 1,

the utility model provides a fire-fighting ventilation pipeline, which comprises a ventilation pipe 1, the upper end of the ventilation pipe 1 is provided with a connecting pipe 2, the design can effectively prevent rainwater from entering the ventilation pipe 1 when raining through the inclined arrangement of the opening part of the connecting pipe 2, a small amount of rainwater enters the connecting pipe 2 under the driving of wind power, the entered small amount of rainwater can flow out under the action of gravity by inclining the bottom surface of the connecting pipe 2 downwards, the rain-proof effect is better, the ventilation area is improved by the inclined arrangement simultaneously, the ventilation effect is better, the opening of the connecting pipe 2 is inclined inwards, the lower end of the opening of the connecting pipe 2 is inclined downwards, a rotating shaft 3 is rotatably connected on the connecting pipe 2, a plurality of connecting rods 4 are fixedly connected at the upper end of the rotating shaft 3, the other ends of the connecting rods 4 are fixedly connected with a wind, lie in fixedly connected with fan blade 7 on the pivot 3 of connecting pipe 2, air outlet one side fixedly connected with wind vane board 8 is kept away from to connecting pipe 2, fixedly connected with filter screen 9 in the 1 upper end of ventilation pipe, 3 lower extremes of pivot run through filter screen 9 center settings, lie in equal fixedly connected with brush-holder stud 10 on the pivot 3 of filter screen 9 upper and lower face, it needs to notice, when catching fire, the hot-air can rise, the influence of discharging fume of external wind to ventilation pipe 1 and connecting pipe 2 can not do the consideration.

The working principle is as follows: when in use, the connecting pipe 2 is positioned on the roof and arranged in the open air, indoor and outdoor air is exchanged with the outside through the ventilating pipe 1 and the connecting pipe 2, the opening of the connecting pipe 2 is obliquely arranged, rainwater can be effectively prevented from entering the ventilating pipe 1 when raining, a small amount of rainwater enters the connecting pipe 2 under the driving of wind power, the bottom surface of the connecting pipe 2 is obliquely downwards inclined, the entering small amount of rainwater can flow out under the action of gravity, the rainproof effect is better, the ventilating area is improved, the ventilating effect is better, when natural wind exists outside, the wind power pushes the wind cup 5, so that the rotating shaft 3 is driven to rotate, the rotating shaft 3 drives the fan blades 7 to rotate and blow downwards, when the fan blades 7 blow downwards, the outside air is accelerated to enter the connecting pipe 2 at the same time, so that the ventilating efficiency is improved, impurities such as dust in the air are filtered, thereby improved the quality of sending into indoor air, it is more healthy to the human body, through setting up brush-holder stud 10 on filter screen 9 upper and lower surface, and with brush-holder stud 10 and 3 fixed connection of pivot, thereby pivot 3 rotates when windy state and drives brush-holder stud 10 and rotate and clean filter screen 9, prevent that filter screen filter effect from reducing and even plugging up, remove artifical cleanness from, it is more convenient to use, through at 2 back fixed connection weather vanes 8 of connecting pipe, when windy, wind-force promotes weather vanes 8 and drives connecting pipe 2 and rotate, make 2 openings of connecting pipe aim at wind-force direction all the time, make more air be brought into in ventilation pipe 1 under the wind-force effect, further improve ventilation efficiency.

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. A fire-fighting ventilation pipeline is characterized by comprising a ventilation pipe (1), a connecting pipe (2) is arranged at the upper end of the ventilation pipe (1), the connecting pipe (2) is rotatably connected with a rotating shaft (3), the upper end of the rotating shaft (3) is fixedly connected with a plurality of connecting rods (4), the other ends of the connecting rods (4) are fixedly connected with wind cups (5), the rotating shaft (3) above the connecting pipe (2) is fixedly connected with an upper baffle plate (6), the rotating shaft (3) in the connecting pipe (2) is fixedly connected with fan blades (7), one side of the connecting pipe (2) far away from the air outlet is fixedly connected with a wind vane plate (8), fixedly connected with filter screen (9) in ventilation pipe (1) upper end, pivot (3) lower extreme runs through filter screen (9) center setting, is located equal fixedly connected with brush-holder stud (10) on pivot (3) of filter screen (9) upper and lower face.

2. The fire fighting ventilation duct according to claim 1, characterized in that a first ball (11) is embedded in the lower surface of the upper baffle (6), and a first groove (12) matched with the first ball (11) is formed on the connecting pipe (2) corresponding to the first ball (11).

3. A fire fighting ventilation duct according to claim 1, characterized in that a second ball (13) is embedded in the upper end of the ventilation duct (1), and a second groove (14) matched with the second ball (13) is formed in the connecting pipe (2) corresponding to the second ball (13).

4. A fire fighting ventilation duct according to claim 1, characterized in that the two brush bars (10) are fixedly connected with bristles on the surface of one side close to the filter screen (9), and the two brush bars (10) are arranged oppositely relative to the rotating shaft (3).

5. A fire fighting ventilation duct according to claim 1, characterized in that a protective cover (15) is fixedly connected to the rotating shaft (3) above the upper baffle (6), and the protective cover (15) is in the shape of a positive cone.

6. A fire fighting ventilation duct according to claim 1, characterized in that the opening of the connecting pipe (2) is arranged to be inclined inwardly, and the lower end of the opening of the connecting pipe (2) is arranged to be inclined downwardly.

7. A fire fighting ventilation duct according to claim 1, characterized in that the rotating wind direction when the fan blades (7) rotate is downward.