Smoke exhaust device

By designing a smoke extraction device that uses a support frame and exhaust box to extract smoke, the problem of dense smoke affecting escape during a fire has been solved, achieving efficient smoke extraction and fire control, and adapting to different fire scene environments.

CN223795425UActive Publication Date: 2026-01-13YICHANG XILING DISTRICT FIRE RESCUE BRIGADE (YICHANG XILING DISTRICT FIRE RESCUE BUREAU)
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Patent Information

Application Number
CN202520187117.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-01-13
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

Existing fire-fighting equipment, when used to extinguish fires, produces thick smoke that hinders people's escape and may cause the fire to escalate.

Method used

A smoke extraction device was designed, including a square tube, a flexible flue, an extension tube, a support ring, an exhaust box, and a support frame. The support frame and exhaust box generate suction to extract smoke. Stainless steel, waterproof tarpaulin, and lightweight plastic materials are used to ensure the stability and durability of the device in harsh environments.

Benefits of technology

It effectively removes dense smoke from fire scenes, improves the safety of personnel escaping, reduces the spread of fire, and maintains excellent performance and reliability in harsh environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of fire fighting, and provides a smoke exhaust device which comprises a square tube, the soft flue is arranged on the square pipe and is used for conveying fresh air; the extension pipe is fixed on the soft flue and is used for extending a conveying path; the supporting ring is fixed on the soft flue and is used for supporting the soft flue; the exhaust box is mounted on the extension pipe and is used for generating suction force to extract flue gas; and the support frame is arranged on the extension pipe and is used for supporting the extension pipe. According to the smoke exhaust device provided by the scheme, smoke is rapidly exhausted in a pressurized air supply mode, the influence of smoke on personnel survival is reduced, time is bought for personnel evacuation in a building, and rescue workers can more conveniently carry out work.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the fire fighting technical field especially relates to a smoke exhaust device. BACKGROUND

[0002] Fire fighting is to eliminate hidden dangers and prevent disasters (i.e. the general term of man-made and natural disasters encountered by people in the process of life, work and study), of course, the meaning of fire fighting is (extinguish) fire at the initial stage of people's understanding, mainly including personnel rescue at the fire scene, rescue of important facilities, equipment and cultural relics, safety protection and rescue of important property and extinguishing fire, the purpose is to reduce the damage caused by fire, and reduce personnel casualties and property losses.

[0003] The existing fire fighting equipment is mainly used for extinguishing fire, but a large amount of smoke will be generated when fire occurs, which not only affects personnel escape, but also causes heat to gather and increase fire. UTILITY MODEL CONTENTS

[0004] The utility model provides a smoke exhaust device, aims at solving the problems of the existing fire fighting equipment being mainly used for extinguishing fire, a large amount of smoke being generated when fire occurs, which not only affects personnel escape, but also causes heat to gather and increase fire.

[0005] In order to solve the above problems, the utility model is realized as follows: a smoke exhaust device comprises a square tube, a soft flue for conveying fresh air and an extension pipe for prolonging the conveying path, which are installed on the square tube, a supporting ring for supporting the soft flue, an exhaust box for generating suction to extract smoke, which is installed on the extension pipe, and a supporting frame for supporting the extension pipe, which is arranged on the extension pipe.

[0006] Preferably, the supporting frame is composed of a bottom plate fixed on the extension pipe, a first supporting plate and a second supporting plate hinged on both sides of the bottom plate through a hinge, a sticky piece is installed on the first supporting plate and can be adhered to the second supporting plate, and the bottom plate, the first supporting plate and the second supporting plate cooperate to form a triangular supporting space for unfolding the extension pipe.

[0007] Preferably, an air chamber is arranged in the exhaust box, a motor box is installed in the air chamber, a fan blade for generating wind force is fixed on the output shaft of the motor box, and a dust screen for protecting the air chamber is installed on the motor box.

[0008] Preferably, the motor box is composed of a protection shell and a servo motor installed in the protection shell, the protection shell is fixed in the air chamber, the output shaft of the servo motor is rotationally connected with the protection shell, and a heat dissipation pipe extending out of the exhaust box is arranged on the protection shell.

[0009] Preferably, a snap ring is fixed on the extension pipe, a snap rod for stabilizing the snap ring is fixed on the exhaust box, the snap ring cooperates with the snap rod for connecting the extension pipe and the exhaust box, and a handle for providing an operating holding point is fixed on each of the snap ring and the square pipe.

[0010] Preferably, a connecting pad in contact with the outer wall of the extension pipe is mounted on each of the first support plate and the second support plate, and a lining paper for protecting the stickiness of the adhesive sheet is arranged on the adhesive sheet.

[0011] Preferably, the square pipe, the support ring, the snap ring and the snap rod are made of stainless steel, the soft flue and the extension pipe are made of waterproof cloth, and the support frame is made of light plastic.

[0012] Compared with the related art, the smoke exhaust device has the following beneficial effects:

[0013] Compared with the prior art, the smoke exhaust device provided by the scheme provides stable support by setting the square pipe as a basic structure, the height flexibility and adaptability of the soft flue and the extension pipe enable the device to easily adapt to different fire scene environments, the support ring and the support frame ensure the smoothness and stability of the flue, the motor box and the fan blade in the exhaust box significantly improve the exhaust performance, the dust screen, the heat dissipation pipe and other detailed designs further enhance the reliability and durability of the device, in addition, the use of high-quality materials such as stainless steel, waterproof cloth and light plastic enables the entire device to maintain excellent performance in harsh environments. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a front view structural schematic diagram of the smoke exhaust device provided by the utility model;

[0015] Figure 2 is a front view structural schematic diagram of the support frame in the utility model;

[0016] Figure 3 is a side view structural schematic diagram of the support frame in the utility model;

[0017] Figure 4 is a side view structural schematic diagram of the exhaust box in the utility model;

[0018] Figure 5 is a side view structural schematic diagram of the square pipe in the utility model.

[0019] Fig. 1 is a square tube; 2 is a soft flue; 3 is a support ring; 4 is a clamping ring; 5 is an exhaust box; 6 is a clamping rod; 7 is a handle; 8 is an extension pipe; 9 is a bottom plate; 10 is a hinge; 11 is a first support plate; 12 is a second support plate; 13 is a connecting pad; 14 is a viscose sheet; 15 is a lining paper; 16 is a motor box; 17 is a fan blade; 18 is a dust screen. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application will be described with reference to the drawings in which is shown by way of illustration the application in accordance with embodiments described herein in which: the terminology includes the words specifically mentioned herein and all grammatical variations thereof; the terminology "include", "includes" and "including" is meant to be non- limiting; the terminology "first", "second" and the like does not denote any order, quantity, or importance, but rather is used to distinguish one element from another; the terminology "inner", "outer", "left", "right", "front", "rear", "up", "down", "top", "bottom", "over", "under", and the like, terms are used to denote the orientation or position of an element as shown in the drawings and are not intended to mean or imply that a specific spatial orientation of the device or element is required or that the device or element must be constructed and operated in that manner; and the terminology "about" means approximately or nearly.

[0021] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. It is expressly understood that the embodiments described herein are merely examples from a whole class of comparable embodiments which those skilled in the art will readily appreciate. It is also expressly understood that the terms "include", "includes", and "including" are used in this specification to mean "including but not limited to", "comprising", "comprises", and "comprising but not limited to".

[0022] The utility model discloses an exhaust device, as shown in the figure, the exhaust device includes: square tube 1;Install on the square tube 1 for conveying fresh air soft flue 2 and fixed on the soft flue 2 for extending the delivery path extension pipe 8;Fixed on the soft flue 2 for supporting the soft flue 2 support ring 3;Install on the extension pipe 8 for generating suction to extract flue gas exhaust box 5;Setting on the extension pipe 8 for supporting the extension pipe 8 support frame. Figures 1-5

[0023] ​In this embodiment, the square tube 1 serves as the basic structural part of the smoke exhaust device, providing a stable support frame that enables the entire device to be installed and used stably, and its shape design helps to optimize the airflow path, ensuring that the smoke can be smoothly blown out, the soft flue 2 is installed on the square tube 1, with high flexibility and adaptability, and can be easily bent and extended to adapt to different fire scene environments, the main function of the support ring 3 is to provide additional support to prevent the soft flue 2 from collapsing or deforming under gravity or external pressure, which helps to maintain the smoothness of the flue and ensures that the exhaust efficiency is not affected, the extension pipe 8 is used to further extend the delivery path of the smoke, which can adjust the length of the smoke exhaust device according to actual needs, making it able to cover a wider area and improve exhaust efficiency, the exhaust box 5 is a key component for generating wind, significantly improving the exhaust performance of the entire smoke exhaust device, and the support frame is mainly used to support the extension pipe 8 to prevent it from sagging or deforming due to its own weight, which helps to maintain the stability and positional accuracy of the extension pipe 8, ensuring that the smoke can flow smoothly.

[0024] In further preferred embodiments of the present application, the support frame is composed of a bottom plate 9 fixed on the extension pipe 8, and a first support plate 11 and a second support plate 12 hinged on both sides of the bottom plate 9 through hinges 10, and an adhesive sheet 14 is installed on the first support plate 11 and can be adhered to the second support plate 12, and the bottom plate 9, the first support plate 11 and the second support plate 12 cooperate to form a triangular support space for unfolding the extension pipe 8.

[0025] In this embodiment, the bottom plate 9 serves as the basic part of the support frame, providing a stable support surface, which cooperates with other components to form a structure for supporting the extension pipe 8, and the first support plate 11 and the second support plate 12 are hinged on both sides of the bottom plate 9 through the hinges 10, which allows the support plates to be flexibly opened and closed, facilitating the installation, disassembly and adjustment of the extension pipe 8, and when the first support plate 11 and the second support plate 12 are unfolded, they together with the bottom plate 9 form a triangular support space to provide stable support for the extension pipe 8, and the adhesive sheet 14 can be adhered to the second support plate 12. This provides a simple and effective fixing method, so that the support plates can be firmly kept unfolded when needed, enhancing the stability and reliability of the support frame.

[0026] In further preferred embodiments of the present application, the exhaust box 5 is provided with an empty compartment, a motor box 16 is installed in the empty compartment, a fan blade 17 for generating wind is fixed on the output shaft of the motor box 16, and a dust screen 18 for protecting the empty compartment is installed on the motor box 16.

[0027] In this embodiment, the empty warehouse is a key area inside the exhaust tank 5, which is used to install and accommodate the motor box 16 and its related components, which provides the necessary installation space and operating environment for the motor box 16, which is the core component of wind power generation, which is used to drive the fan blade 17 to rotate and generate wind power, and the design of the motor box 16 ensures that the motor can operate in a stable environment, improves the reliability and durability of the smoke exhaust device, and the fan blade 17 is the key component of wind power generation, and the main function of the dust screen 18 is to protect the empty warehouse and the motor box 16 and the fan blade 17 inside from dust and debris, and in the fire scene, the smoke and dust are often very thick, and the introduction of the dust screen 18 can effectively prolong the service life of the smoke exhaust device, while maintaining its high efficiency.

[0028] In a further preferred embodiment of the utility model, the motor box 16 is composed of a protective shell and a servo motor installed in the protective shell, the protective shell is fixed in the empty warehouse, the output shaft of the servo motor is rotatably connected with the protective shell, and a heat dissipation pipe extending out of the exhaust tank 5 is arranged on the protective shell.

[0029] In this embodiment, the protective shell is the external packaging of the motor box 16, which is fixed in the empty warehouse to provide necessary protection and support for the internal servo motor, and the design of the protective shell ensures that the servo motor can operate in a stable and safe environment, and the servo motor is a high-performance motor with precise control, high efficiency and low noise, etc. In this embodiment, the servo motor is used as a power source for generating wind power, and its output shaft is rotatably connected with the protective shell for driving the fan blade 17 to rotate, and the introduction of the servo motor improves the operating efficiency and stability of the smoke exhaust device, and the main function of the heat dissipation pipe is to help the servo motor dissipate heat and prevent it from being damaged due to overheating.

[0030] In a further preferred embodiment of the utility model, the extension pipe 8 is fixed with a snap ring 4, the exhaust tank 5 is fixed with a clamping rod 6 for stabilizing the snap ring 4, the snap ring 4 cooperates with the clamping rod 6 to connect the extension pipe 8 and the exhaust tank 5, and the snap ring 4 and the square tube 1 are both fixed with a handle 7 for providing an operating grip point.

[0031] In this embodiment, the snap ring 4 is used as a connecting piece to cooperate with the clamping rod 6 on the exhaust tank 5 to realize stable connection between the extension pipe 8 and the exhaust tank 5, and this connection method is not only simple and convenient, but also can ensure that the two maintain a relatively fixed position during operation, thereby improving the stability and efficiency of the smoke exhaust device, and the clamping rod 6 is designed to cooperate with the snap ring 4 to realize the connection between the extension pipe 8 and the exhaust tank 5, and the position and number of the clamping rod 6 can be adjusted according to actual needs to ensure the firmness and stability of the connection, and the main function of the handle 7 is to provide an operating grip point, which facilitates the user to carry, install and adjust the position of the smoke exhaust device.

[0032] In the further preferred embodiment of the utility model, the first support plate 11 and the second support plate 12 are both provided with a connecting pad 13 in contact with the outer wall of the extension pipe 8, and the adhesive piece 14 is provided with a backing paper 15 for protecting the adhesion of the adhesive piece 14.

[0033] In the embodiment, the main function of the connecting pad 13 is to increase the friction and stability between the support plate and the extension pipe 8, preventing the extension pipe 8 from sliding or falling under the gravity or external pressure, and at the same time, the connecting pad 13 can also play a certain buffering role to protect the extension pipe 8 from scratching or wearing, and the backing paper 15 is used to protect the adhesion of the adhesive piece 14, preventing dust, sundries and the like from polluting the surface of the adhesive piece 14 before the adhesive piece 14 is used, so as to maintain its adhesion, and when the adhesive piece 14 needs to be used, the backing paper 15 can be torn off, which facilitates the use of the adhesive piece 14 and prolongs its service life.

[0034] In the further preferred embodiment of the utility model, the square tube 1, the support ring 3, the clamping ring 4 and the clamping rod 6 are all made of stainless steel, the soft flue and the extension pipe 8 are both made of waterproof cloth, and the support frame is made of light plastic.

[0035] In the embodiment, the square tube 1, the support ring 3, the clamping ring 4 and the clamping rod 6 are all made of stainless steel, so that they can maintain stable connection performance in harsh environments and are not prone to rust or damage, the soft flue and the extension pipe 8 are key components for conveying fresh air in the smoke exhaust device, and the waterproof cloth material can effectively prevent rainwater or moisture from entering, maintain the dryness and cleanliness of the inside of the flue, and thus improve the smoke exhaust efficiency and service life, the waterproof cloth material also has the characteristics of lightness, softness and easy folding, so that the smoke exhaust device is more convenient to transport and store, and the light plastic material also has good corrosion resistance and insulation performance and can maintain stable performance in various environments.

[0036] In summary, compared with the related art, the device provides stable support by setting the square tube 1 as the basic structure, the height flexibility and adaptability of the soft flue 2 and the extension pipe 8 enable the device to easily adapt to different fire scene environments, the support ring 3 and the support frame ensure the smoothness and stability of the flue, the design of the motor box 16 and the fan blade 17 in the exhaust box 5 significantly improves the exhaust performance, and the dust screen 18, the heat dissipation pipe and other detailed designs further enhance the reliability and durability of the device, in addition, the use of high-quality materials such as stainless steel, waterproof cloth and light plastic enables the entire device to maintain excellent performance in harsh environments.

[0037] In the several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways.

[0038] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, but not all the embodiments. Based on these examples, all other embodiments obtained by those skilled in the art without creative work belong to the scope to be protected by the present application. Although the present application has been described in detail with reference to the above examples, those skilled in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative work, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope to be protected by the present application.

Claims

1. A smoke evacuation device, characterized in that, The utility model relates to a kind of air supply device, including: Square tube; Soft flue for conveying fresh air is installed on the square tube, and extension pipe for prolonging conveying path is fixed on the soft flue; Support ring is fixed on the soft flue for supporting the soft flue; Exhaust box for generating suction to extract flue gas is installed on the extension pipe; Support frame is arranged on the extension pipe for supporting the extension pipe.

2. The smoke evacuating device of claim 1, wherein The support frame is composed of bottom plate fixed on the extension pipe, and first support plate and second support plate articulated on both sides of the bottom plate by hinge, the first support plate is installed with adhesive sheet that can be adhered with the second support plate, and the bottom plate, first support plate and second support plate cooperate to form triangular support space for unfolding the extension pipe.

3. The smoke evacuating device of claim 1, wherein Air warehouse is provided in the exhaust box, motor box is installed in the air warehouse, fan blade for generating wind force is fixed on the output shaft of the motor box, and dust screen for protecting the air warehouse is installed on the motor box.

4. The smoke evacuating device of claim 3, wherein The motor box is composed of protection shell and servo motor installed in the protection shell, the protection shell is fixed in the air warehouse, the output shaft of the servo motor is rotatably connected with the protection shell, and the protection shell is provided with heat dissipation pipe extending out of the exhaust box.

5. The smoke evacuating device of claim 2, wherein Snap ring is fixed on the extension pipe, clamping rod for stabilizing the snap ring is fixed on the exhaust box, the snap ring cooperates with the clamping rod to connect the extension pipe and the exhaust box, and handle for providing operating gripping point is fixed on the snap ring and the square tube.

6. The smoke evacuating device of claim 2, wherein Connection pad in contact with the outer wall of the extension pipe is installed on the first support plate and the second support plate, and lining paper for protecting the adhesion of the adhesive sheet is provided on the adhesive sheet.

7. The smoke evacuating device of claim 5, wherein The square tube, support ring, snap ring and clamping rod are all made of stainless steel, the soft flue and the extension pipe are all made of waterproof cloth, and the support frame is made of light plastic material.