Fireproof structure of oil smoke pipeline

By introducing flame detectors, nozzle systems, and insulation layers into the fume exhaust ducts, the flammability of the ducts is solved, achieving fire prevention and convenient maintenance, and ensuring safe use.

CN222488664UActive Publication Date: 2025-02-18SHANDONG HAOSHUO ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202420992416.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-02-18
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

The existing exhaust ducts lack fireproof structures, which can lead to grease buildup and potentially cause fires, endangering the safety of users.

Method used

A fireproof structure for fume ducts was designed, which includes a flame detector, a gas cylinder, and a nozzle. The flame detector senses the flame and activates the nozzle to spray carbon dioxide to extinguish the fire. At the same time, a heat insulation layer and a sliding track are provided for easy maintenance.

Benefits of technology

It effectively prevents combustion inside the pipeline, avoids fires, and provides convenient maintenance methods to ensure safe use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an oil smoke pipeline fireproof structure which comprises a first pipeline, the outer side of one end of the first pipeline is fixedly connected with fixing frames, the number of the fixing frames is two, the top of the first pipeline is fixedly connected with first sliding ways, the number of the first sliding ways is two, and the first sliding ways are symmetrically arranged. An outer frame is slidably connected to the inner side of a first slide way, a fixing plate is fixedly connected to the interior of the outer frame, a spray head is fixedly connected with the fixing plate, then a gas cylinder is in threaded connection with a second pipeline, a flame detector is fixed to the bottom of the fixing plate, and the flame detector is electrically connected with the spray head, so that fire disasters caused by combustion in the oil smoke exhaust pipeline are effectively prevented; a limiting plate is connected in a sliding mode through a second sliding way, a gas cylinder is fixed, the position of the gas cylinder is prevented from deviating, an outer frame is covered with an outer frame cover, pipelines are effectively sealed, then the outer frame is integrally connected to a first pipeline in a sliding mode, a fixing strip is rotated, the outer frame is fixed, and the position of the outer frame is prevented from moving.
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Description

Technical Field

[0001] The utility model belongs to the technical field of kitchen fume treatment, and in particular relates to a fireproof structure for an oil fume pipeline. Background Art

[0002] Exhaust ducts are generally divided into two types of materials: galvanized steel exhaust ducts and black steel (iron) exhaust ducts. Exhaust ducts are widely used in construction projects, such as restaurants, guesthouses, hospitals, factories, shopping malls, office buildings, etc.

[0003] Some existing oil fume exhaust ducts are not equipped with fireproof structures. As the installed oil fume exhaust ducts are used for a long time, oil stains will stick to the inside of the ducts. Once a small flame enters the oil fume duct, a fire is very likely to occur, which may injure the users. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a fire-proof structure for oil fume ducts to solve the problem proposed in the above background technology that some existing oil fume exhaust ducts are not provided with fire-proof structures, and as the installed oil fume exhaust ducts are used for a longer time, oil stains will stick to the inside of the duct. Once a small flame enters the oil fume duct, a fire is very likely to occur, which may injure the users.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire prevention structure for an oil fume duct, comprising a first duct, a fixed frame is fixedly connected to the outer side of one end of the first duct, and two of the fixed frames are symmetrically arranged, a first slide is fixedly connected to the top of the first duct, and two of the first slides are symmetrically arranged, an outer frame is slidably connected to the inner side of the first slide, an outer frame cover is fixedly connected to the top of the outer frame, a fixed plate is fixedly connected to the lower inner side of the outer frame, a flame detector is fixedly connected to one side of the bottom of the fixed plate, a second duct is fixedly connected to the inner side of the fixed plate, a gas cylinder is threadedly connected to the inner side of the second duct, a nozzle is fixedly connected to the bottom of the second duct, and a plurality of nozzles are symmetrically arranged, and the flame detector and the nozzle are electrically connected.

[0006] Preferably, the inner side of the fixing frame is fixedly connected with limiting pins, and a plurality of limiting pins are symmetrically arranged.

[0007] Preferably, a second slide is fixedly connected to the upper inner side of the outer frame, two second slides are symmetrically arranged, a limiting plate is slidably connected to the inner side of the second slide, and a gas cylinder is movably connected to the inner side of the limiting plate.

[0008] Preferably, a first fixed block is fixedly connected to the top of one of the first slides, a rotating shaft is rotatably connected to the inner side of the first fixed block, a fixed bar is rotatably connected to the outer side of the rotating shaft, a second fixed block is movably connected to the other end of the fixed bar, and another first slide is fixedly connected to the bottom of the second fixed block.

[0009] Preferably, one end of each of the first slideways is fixedly connected to a limit strip.

[0010] Preferably, a first heat insulation layer is fixedly connected to the inner side of the first pipe.

[0011] Preferably, a second heat insulation layer is fixedly connected to the inner side of the outer frame.

[0012] Preferably, a nozzle protection shell is fixedly connected to the outer side of the nozzle.

[0013] Compared with the prior art, the utility model provides a fume duct fire prevention structure having the following features:

[0014] Beneficial effects:

[0015] 1. The utility model is provided with a flame detector, a gas cylinder, a pipe and a nozzle. A fixing plate is fixedly connected to the top of the flame detector, a pipe is fixedly connected to the inner side of the fixing plate, and a gas cylinder is threadedly connected to the inner side of the pipe. The flame can be detected by the flame detector. When a flame appears in the exhaust fume pipe opening, the flame detector senses the flame and transmits a signal to the nozzle. The nozzle opens to spray out the carbon dioxide in the gas cylinder to extinguish the flame, effectively preventing the exhaust fume pipe from burning and causing a fire, and also effectively preventing users from being injured.

[0016] 2. The utility model provides a first slideway, one end of which is fixedly connected to a limit strip, which effectively facilitates the disassembly and installation of the outer frame. When a problem occurs in the fire protection device, it is convenient for maintenance personnel to repair it. The top of the first slideway is fixedly connected to a first fixing block, the inner side of the first fixing block is rotatably connected to a rotating shaft, and the outer side of the rotating shaft is rotatably connected to a fixing strip, which effectively fixes the outer frame;

[0017] 3. The utility model effectively isolates the heat in the exhaust fume duct in the duct by providing the first insulation layer and the second insulation layer, thereby preventing the heat from being dissipated outside the duct and affecting the use of users.

[0018] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 This is an axonometric structural diagram of a fume duct fire protection structure proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the exploded structure of a fume duct fire protection structure proposed by the utility model;

[0022] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0024] In the figure: a first pipeline 1, a fixed frame 2, a first slide 3, an outer frame 4, an outer frame cover 5, a fixed plate 6, a flame detector 7, a gas cylinder 8, a second pipeline 9, a nozzle 10, a nozzle protection shell 11, a limiting plate 12, a second slide 13, a fixing bar 14, a first fixing block 15, a rotating shaft 16, a limiting nail 17, a first thermal insulation layer 18, a second thermal insulation layer 19, a limiting bar 20, and a second fixing block 21. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4The utility model provides a technical solution: a fire prevention structure for oil fume pipes, comprising a first pipe 1, a fixed frame 2 is fixedly connected to the outside of one end of the first pipe 1, two of the fixed frames 2 are symmetrically arranged, a first slide 3 is fixedly connected to the top of the first pipe 1, two of the first slides 3 are symmetrically arranged, an outer frame 4 is slidably connected to the inside of the first slide 3, an outer frame cover 5 is fixedly connected to the top of the outer frame 4, a fixed plate 6 is fixedly connected to the lower inside of the outer frame 4, a flame detector 7 is fixedly connected to one side of the bottom of the fixed plate 6, a second pipe 9 is fixedly connected to the inside of the fixed plate 6, a gas cylinder 8 is threadedly connected to the inside of the second pipe 9, a nozzle 10 is fixedly connected to the bottom of the second pipe 9, a plurality of nozzles 10 are symmetrically arranged, and the flame detector 7 is electrically connected to the nozzle 10. The outer frame cover 5 effectively seals the pipe, and the flame detector 7 can detect the flame, effectively preventing combustion in the oil fume exhaust pipe and causing a fire.

[0027] In the present invention, preferably, the inner side of the fixing frame 2 is fixedly connected with a limiting pin 17, and a plurality of limiting pins 17 are symmetrically arranged to effectively fix the two pipes.

[0028] In the present invention, preferably, a second slide 13 is fixedly connected to the upper part of the inner side of the outer frame 4, two second slides 13 are symmetrically arranged, the inner side of the second slide 13 is slidably connected to a limit plate 12, and the inner side of the limit plate 12 is movably connected to a gas cylinder 8. The limit plate 12 effectively fixes the gas cylinder 8 to prevent the gas cylinder 8 from moving.

[0029] In the utility model, preferably, a first fixing block 15 is fixedly connected to the top of one of the first slideways 3, a rotating shaft 16 is rotatably connected to the inner side of the first fixing block 15, a fixing bar 14 is rotatably connected to the outer side of the rotating shaft 16, a second fixing block 21 is movably connected to the other end of the fixing bar 14, and another first slideway 3 is fixedly connected to the bottom of the second fixing block 21. It is effective and convenient to disassemble and install the outer frame 4, and it is convenient for maintenance personnel to repair when there is a problem with the fire protection device, and the fixing bar 14 effectively fixes the outer frame 4.

[0030] In the present invention, preferably, one end of the first slideway 3 is fixedly connected to the limiting strip 20 to effectively limit the position of the outer frame 4.

[0031] In the present invention, preferably, a first heat insulating layer 18 is fixedly connected to the inner side of the first pipe 1, which effectively isolates the heat in the exhaust pipe inside the pipe, preventing the heat from escaping outside the pipe and affecting the use of users.

[0032] In the present invention, preferably, a second heat insulation layer 19 is fixedly connected to the inner side of the outer frame 4, which effectively isolates the heat in the tube.

[0033] In the present invention, preferably, a nozzle protection shell 11 is fixedly connected to the outside of the nozzle 10. This effectively prevents oil stains from sticking to the nozzle 10 and blocking the nozzle 10, so that the nozzle cannot spray carbon dioxide to extinguish the flame when a fire occurs.

[0034] The working principle and use process of the utility model are as follows: when in use, the fixing plate 6 is fixedly connected to the inside of the outer frame 4, the nozzle 10 is fixedly connected to the fixing plate 6, and then the gas cylinder 8 and the second pipe 9 are threadedly connected, the flame detector 7 is fixed to the bottom of the fixing plate 6, and the flame detector 7 and the nozzle 10 are electrically connected, which effectively prevents the combustion in the exhaust fume pipe from causing a fire, and the limiting plate 12 is slidably connected through the second slide 13 to fix the gas cylinder 8 to prevent the position of the gas cylinder 8 from shifting, the outer frame cover 5 is covered on the outer frame 4 to effectively seal the pipe, and then the outer frame 4 is slidably connected to the first pipe 1 as a whole, and the fixing bar 14 is rotated to fix the outer frame 4 to prevent the outer frame 4 from moving.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fume duct fire prevention structure, comprising a first duct (1), characterized in that: A fixing frame (2) is fixedly connected to the outer side of one end of the first pipe (1), and two fixing frames (2) are symmetrically arranged. A first slideway (3) is fixedly connected to the top of the first pipe (1), and two first slideways (3) are symmetrically arranged. An outer frame (4) is slidably connected to the inner side of the first slideway (3), and an outer frame cover (5) is fixedly connected to the top of the outer frame (4). A fixing plate (6) is fixedly connected to the lower side of the inner side of the outer frame (4), and a flame detector (7) is fixedly connected to one side of the bottom of the fixing plate (6). A second pipe (9) is fixedly connected to the inner side of the fixing plate (6), and a gas cylinder (8) is threadedly connected to the inner side of the second pipe (9). A nozzle (10) is fixedly connected to the bottom of the second pipe (9), and a plurality of nozzles (10) are symmetrically arranged. The flame detector (7) and the nozzle (10) are electrically connected.

2. The oil fume duct fire protection structure according to claim 1, characterized in that: The inner side of the fixed frame (2) is fixedly connected with a limiting pin (17), and a plurality of the limiting pins (17) are symmetrically arranged.

3. The oil fume duct fire protection structure according to claim 1, characterized in that: A second slideway (13) is fixedly connected to the upper inner side of the outer frame (4), two second slideways (13) are symmetrically arranged, the inner side of the second slideway (13) is slidably connected to a limit plate (12), and the inner side of the limit plate (12) is movably connected to a gas cylinder (8).

4. The oil fume duct fire protection structure according to claim 1, characterized in that: A first fixed block (15) is fixedly connected to the top of one of the first slideways (3); a rotating shaft (16) is rotatably connected to the inner side of the first fixed block (15); a fixed bar (14) is rotatably connected to the outer side of the rotating shaft (16); a second fixed block (21) is movably connected to the other end of the fixed bar (14); and another first slideway (3) is fixedly connected to the bottom of the second fixed block (21).

5. The oil fume duct fire protection structure according to claim 1, characterized in that: One end of the first slideway (3) is fixedly connected to a limit strip (20).

6. The oil fume duct fireproof structure according to claim 1, characterized in that: A first heat insulation layer (18) is fixedly connected to the inner side of the first pipe (1).

7. The oil fume duct fireproof structure according to claim 1, characterized in that: A second heat insulation layer (19) is fixedly connected to the inner side of the outer frame (4).

8. The oil fume duct fire protection structure according to claim 1, characterized in that: The outer side of the spray head (10) is fixedly connected to a nozzle protection shell (11).