Connecting and fixing mechanism for building exhaust flue

By setting a combined structure of a flue connection frame and a connection plate between the exhaust ducts, the stability and sealing problems of the exhaust duct connections are solved, efficient installation and maintenance are achieved, grouting is facilitated, and the load-bearing capacity and sealing of the system are enhanced.

CN223459078UActive Publication Date: 2025-10-21SICHUAN DONGCHEN ZHUOYUE CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202422743355.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-10-21
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

The existing building smoke exhaust ducts lack stability and load-bearing capacity at the joints, making installation inconvenient and susceptible to wind and vibration. In addition, the sealing is insufficient, making effective subsequent maintenance difficult.

Method used

A combined structure of a flue connection frame and a connection plate is adopted. The flue connection frame is connected to the wall with steel bars through external notches. The inner octagonal connection plate is adapted to the concrete flue to form a tight connection, which increases stability and sealing. The adaptation error is adjusted through the notch, and the appropriate distance is maintained in combination with the inner concave and outer convex structure to facilitate grouting.

Benefits of technology

It improves the overall stability and sealing of the smoke exhaust system, simplifies the installation process, reduces costs, enhances load-bearing capacity, prevents water leakage, and facilitates subsequent maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of smoke exhaust flues, in particular to a building smoke exhaust flue connecting and fixing mechanism which comprises a flue connecting frame, outer notches are formed in the four corners of the outer side of the flue connecting frame, and a connecting plate is fixedly connected to the inner side of the flue connecting frame. The concrete flue connecting frame has the advantages that the octagonal connecting plate is arranged on the inner side of the flue connecting frame, the corners of the inner wall of the concrete flue are closed inwards, and the connecting plate is octagonal and can be matched with the inner shape of the concrete flue, so that the connecting plate can be tightly attached to the inner wall of the concrete flue, and the supporting and limiting effects are achieved; meanwhile, the connecting position of the concrete flue can be sealed, the sealing performance of the smoke exhaust flue is improved, the width of a pipe of the flue connecting frame is limited, so that an inwards-concave and outwards-convex structure is formed, after the smoke exhaust flue is installed, a certain distance can be kept between the smoke exhaust flue and a wall body, and the four faces can be fully poured conveniently when mortar is poured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a smoke exhaust flue technical field, especially a building smoke exhaust flue connecting and fixing mechanism. BACKGROUND

[0002] The building smoke exhaust flue is a tubular device for discharging smoke and harmful gas in the building, especially plays a very important role in the residential kitchen, bathroom and industrial and commercial building, and the smoke exhaust flue can discharge the smoke generated in the kitchen cooking activity or the bathroom turbid gas, and when the fire occurs, the smoke can be quickly discharged outside, and the harm degree of the fire is reduced.

[0003] The smoke exhaust flue is mostly made of sulphoaluminate cement with alkali-resistant glass fiber mesh cloth or ordinary portland cement with steel wire mesh and other reinforcing materials, and the modern smoke exhaust flue mostly adopts high-strength glass-magnesium refractory flue plate to be produced by mechanical combination and assembly to meet the requirement of refractory limit; the variable pressure gas extraction component is usually arranged in the modern smoke exhaust flue to improve the smoke exhaust efficiency.

[0004] A patent residential common smoke exhaust flue pipe is disclosed in Chinese patent CN2425160Y, which adopts the arrangement of the isolation plate in the smoke exhaust flue pipe, the lower end of the isolation plate is closed with the inner wall of the smoke exhaust flue pipe, the upper end is connected with the guide plate inclined to the center of the smoke exhaust flue pipe, an oil fume cleaning hole is designed on the outside of the smoke exhaust flue pipe at the closed position, and a waste gas exhaust port is arranged at the slightly upper part of the closed position, which solves the defects that the smoke of the lower household flows to the upper household and the oil drops of the upper household flow into the lower household, but the utility model does not arrange the connecting structure between the multi-section smoke exhaust flue, and the overall stability of the smoke exhaust flue is poor.

[0005] The existing building smoke exhaust flue directly adopts the pipe-to-pipe butt joint mode, has no connecting device or has the connecting device, has no load-bearing component, the pipe material is refractory material such as concrete, the length is the same as the floor, one connecting device is used for one pipe of each floor, the cement slurry is poured after the connection, the load-bearing capacity of the smoke exhaust flue is weak, the post-maintenance is inconvenient, and it is inconvenient to ensure that there is sufficient distance between the pipe and the wall for grouting reinforcement after the pipe is arranged.

[0006] In order to solve the above-mentioned problems in the prior art, a novel building smoke exhaust flue connecting and fixing mechanism is provided, which is a problem worthy of study. Utility model content

[0007] The utility model aims at overcoming the defects of the prior art, and provides a building smoke exhaust flue connecting and fixing mechanism, which effectively solves the problems of the prior art.

[0008] The utility model discloses a building exhaust flue connecting fixing mechanism, including flue connecting frame, its characterized in that: the outside four corners of flue connecting frame all are established with the outer slot, the inside fixed connection of flue connecting frame has the connecting plate.

[0009] Optionally, the flue connecting frame is composed of a hollow square tube, the shape of the flue connecting frame is adapted to the shape of the outer wall of the building exhaust flue, and the width of the outer slot is adapted to the width of the tube of the flue connecting frame.

[0010] The above technical solution is adopted: by setting a flue connecting frame between every two sections of building exhaust flues, the two sections of exhaust flues are tightly connected together by the flue connecting frame, which prevents displacement of the flues caused by wind force, vibration and other factors, improves the overall stability of the exhaust system, and the standardized flue connecting frame can simplify the installation process of the exhaust flue, improve construction efficiency, and reduce installation cost. The outer slot is formed at the four corners of the flue connecting frame, and the flue connecting frame is in a hollow state. During installation of the exhaust flue, the reinforcing steel bars can be inserted into the inner part of the outer slot pipe for convenient construction, and the other end of the reinforcing steel bars is inserted into the inner wall of the wall, so that the flue connecting frame can be connected with the wall to support the upper exhaust flue and share the local gravity of the flue, avoiding the situation that the bottom of the flue bears too much pressure and affects the service life, and facilitating subsequent flue maintenance work.

[0011] Optionally, the four corners of the connecting plate are inwardly recessed, so that the connecting plate forms an octagonal structure, the height of the connecting plate is greater than the height of the flue connecting frame, and the shape of the connecting plate is adapted to the shape of the concrete flue.

[0012] The above technical solution is adopted: by setting an octagonal connecting plate on the inner side of the flue connecting frame, the inner wall corners of the concrete flue are inwardly recessed, the octagonal connecting plate can be adapted to the internal shape of the concrete flue, so that the connecting plate can be tightly fitted with the inner wall of the concrete flue, plays a supporting and limiting role, and can seal the joint position of the concrete flue, improve the sealing performance of the exhaust flue, and avoid smoke leakage.

[0013] Optionally, a plurality of openings are formed in the top and bottom of the connecting plate on both sides, and the openings extend through the connecting plate.

[0014] The above technical solution is adopted: by setting openings on the extension part of the connecting plate, when there is a deviation in assembly of the connecting plate and the inner wall of the concrete flue, the connecting plate with openings is easier to adjust, so that the connecting plate can be slightly adjusted to be fully fitted with the inner wall of the concrete flue.

[0015] Optionally, the pipe width of the flue connecting frame is greater than the inner wall thickness of the flue, and the thickness difference between the flue connecting frame and the flue is 1.5 cm.

[0016] By limiting the pipe width of the flue connecting frame, the flue connecting frame has a concave-convex structure, and after the installation of the flue is completed, the flue and the wall can be kept at a certain distance, which facilitates the pouring of mortar on four sides and prevents kitchen and bathroom water leakage.

[0017] Active beneficial effects: 1. The building flue connecting and fixing mechanism sets a flue connecting frame between every two sections of building flues, tightly connects the two sections of flues together through the flue connecting frame, prevents displacement of the flues caused by wind force, vibration and other factors, improves the overall stability of the flue system, and the standardized flue connecting frame can simplify the installation process of the flue, improve construction efficiency, and reduce installation cost. The flue connecting frame is provided with an outer notch at each corner and is in a hollow state. During installation of the flue, the reinforcing steel bars can be inserted into the outer notch pipe material for convenient construction, and the other end of the reinforcing steel bars is inserted into the inner wall of the wall, so that the flue connecting frame can be connected with the wall to support the upper flue and share the local gravity of the flue, avoiding the situation that the bottom of the flue bears too much pressure and affects the service life, and facilitating subsequent flue maintenance work. The connecting plate is provided with an octagonal shape on the inner side of the flue connecting frame, and the inner wall corner of the concrete flue is inwardly closed. The octagonal connecting plate can be matched with the internal shape of the concrete flue, so that the connecting plate can be tightly attached to the inner wall of the concrete flue to play a supporting and limiting role, and at the same time, the connecting position of the concrete flue can be sealed to improve the sealing performance of the flue and prevent smoke leakage.

[0018] 2. The building flue connecting and fixing mechanism limits the pipe width of the flue connecting frame to form a concave-convex structure, so that after the installation of the flue is completed, the flue and the wall can be kept at a certain distance, which facilitates the pouring of mortar on four sides and prevents kitchen and bathroom water leakage.

[0019] 3. The building flue connecting and fixing mechanism sets an opening on the extended part of the connecting plate. When there is a deviation between the connecting plate and the inner wall of the concrete flue, the connecting plate provided with the opening is easier to adjust, so that the connecting plate can be slightly adjusted to be fully attached to the inner wall of the concrete flue. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The figure is a structural schematic diagram of the utility model;

[0021] Figure 2 The figure is a structural schematic diagram of the utility modelFigure 1 Enlarged structural schematic view at A in the middle;

[0022] Figure 3 For the utility model Figure 1 Enlarged structural schematic view at B in the middle;

[0023] Figure 4 For the utility model is side sectional structure schematic view;

[0024] Figure 5 For the utility model embodiment 2 is structural schematic view;

[0025] Figure 6 For the utility model embodiment 3 is structural schematic view.

[0026] In the figure: 1-flue connecting frame, 2-outer slot, 3-connection plate, 4-gap. DETAILED DESCRIPTION

[0027] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.

[0028] As Figures 1 to 4 Indicated, a kind of building exhaust flue connecting fixing mechanism, it includes flue connecting frame 1, outer side four corners of flue connecting frame 1 are all set with outer slot 2, the inner side of flue connecting frame 1 is fixedly connected with connection plate 3.

[0029] As Figure 1 Indicated, flue connecting frame 1 is made of hollow square tube material, the shape of flue connecting frame 1 is compatible with the outer wall shape of building exhaust flue, the width of outer slot 2 is compatible with the tube material width of flue connecting frame 1, by setting flue connecting frame 1 between every two building exhaust flues, two exhaust pipes are tightly connected together by flue connecting frame 1, prevent the displacement of pipe caused by wind force, vibration and other factors, improve the overall stability of exhaust system, and the standardized flue connecting frame can simplify the installation process of exhaust pipe, improve construction efficiency, reduce installation cost, outer slot 2 is set in the four corners of flue connecting frame 1, and flue connecting frame 1 is set to hollow state, when installing exhaust flue, steel bar can be inserted into the inside of outer slot 2 pipe material convenient for construction, and the other end of steel bar is inserted into wall inner wall, so that flue connecting frame 1 can be connected with wall and support the upper exhaust flue to unload, can share the local gravity of flue, avoid the case that flue bottom bears larger pressure and affects service life, also can facilitate subsequent flue maintenance work.

[0030] AsFigure 1 As shown, the four corners of the connecting plate 3 are inwardly tapered, so that the connecting plate 3 forms an octagonal structure, the height of the connecting plate 3 is greater than the height of the flue connecting frame 1, the shape of the connecting plate 3 is matched with the shape of the concrete flue, and the inner wall corner of the concrete flue is inwardly tapered by arranging the octagonal connecting plate 3 on the inner side of the flue connecting frame 1.

[0031] As shown in the figure, Figures 1 to 2 As shown, a plurality of openings 5 are formed in the top and bottom of the connecting plate 3, and the openings 5 extend through the extension of the connecting plate 3, so that when the connecting plate 3 is assembled with the inner wall of the concrete flue and there is a deviation, the connecting plate 3 provided with the openings 5 is easier to adjust, so that the connecting plate 3 can be slightly adjusted to fully fit the inner wall of the concrete flue.

[0032] As shown in the figure, Figure 1 As shown, the pipe width of the flue connecting frame 1 is greater than the inner wall thickness of the flue gas duct, and the thickness difference between the flue connecting frame 1 and the flue gas duct is 1.5 cm, so that the pipe width of the flue connecting frame 1 is limited to form a concave-convex structure, so that the flue gas duct and the wall can maintain a certain distance after the installation of the flue gas duct is completed, and the four surfaces can be fully poured when pouring the mortar, and the kitchen and bathroom water leakage can be prevented.

[0033] Example 2

[0034] As shown in the figure, Figure 5 As shown, the four corners of the connecting plate 3 are circular, so that the connecting plate 3 can be matched with the flue gas duct with circular corners, and the thickness of the connecting plate 3 at the corner is increased, so that the overall compression load of the connecting plate 3 and the connecting and fixing mechanism is improved.

[0035] Example 3

[0036] As shown in the figure, Figure 6 As shown, the four corners of the connecting plate 3 are circular, so that the connecting plate 3 can be matched with the flue gas duct with circular corners, and the thickness of the connecting plate 3 at the corner is increased, so that the overall compression load of the connecting plate 3 and the connecting and fixing mechanism is improved.

[0037] The working process of the utility model is as follows:

[0038] S1, first of all, when installing, the connecting assembly is inserted into the inside of the lower pipeline, and then the upper pipeline is inserted into the connecting assembly, so that the sealing effect is achieved, and smoke leakage is avoided,

[0039] S2, after the installation of the flue, there is a certain distance between the flue and the wall, and the mortar is paid attention to the inside, and after sufficient pouring and cooling, the stability of the flue can be improved and water leakage can be prevented.

[0040] The utility model discloses a flue connecting frame is arranged between every two sections of building exhaust flue, and the two sections of exhaust pipeline are closely connected together by the flue connecting frame, the displacement of the pipeline caused by wind force, vibration and other factors is prevented, the overall stability of the exhaust system is improved, the standardized flue connecting frame can simplify the installation process of the exhaust pipeline, improve construction efficiency, reduce installation cost, the outer notches are formed in the four corners of the flue connecting frame, and the flue connecting frame is arranged in a hollow state, when installing the exhaust flue, the reinforcing steel bars can be inserted into the outer notched pipe material inside convenient construction, and the other end of the reinforcing steel bars is inserted into the inner wall of the wall, so that the flue connecting frame can be connected with the wall and support the upper exhaust flue, can share the local gravity of the flue, avoid the case that the bottom of the flue bears larger pressure and influences service life, can also facilitate subsequent flue maintenance work, by setting octagonal connecting plate on the inner side of the flue connecting frame, the inner wall corner of the concrete flue is inwardly closed, the connecting plate is arranged as octagonal, can be adapted to the internal shape of the concrete flue, so that the connecting plate can be closely attached to the inner wall of the concrete flue, plays the role of supporting and limiting, can also seal the joint position of the concrete flue, improves the sealing property of the exhaust flue, avoids smoke leakage.

[0041] The utility model discloses a flue connecting frame's pipe width is limited, makes it form the structure of concave outward, after completing the installation of the exhaust flue, the exhaust flue and the wall can keep a certain distance, when pouring mortar, four faces can be fully poured, and kitchen and bathroom water leakage can also be prevented.

[0042] The utility model discloses a flue connecting frame's pipe width is limited, makes it form the structure of concave outward, after completing the installation of the exhaust flue, the exhaust flue and the wall can keep a certain distance, when pouring mortar, four faces can be fully poured, and kitchen and bathroom water leakage can also be prevented.

Claims

1. A building flue connection fixing mechanism, comprising a flue connection frame (1), characterized in that: The outer side of the flue connecting frame (1) is provided with an outer notch (2) at each corner, and the inner side of the flue connecting frame (1) is fixedly connected with a connecting plate (3).

2. The connecting and fixing mechanism of a building smoke exhaust flue according to claim 1, characterized in that: The flue connecting frame (1) is composed of a hollow square tube, the shape of the flue connecting frame (1) is adapted to the shape of the outer wall of the building flue, and the width of the outer notch (2) is adapted to the width of the tube of the flue connecting frame (1).

3. The connecting and fixing mechanism of a building smoke exhaust flue according to claim 1, characterized in that: The four corners of the connecting plate (3) are inwardly chamfered, so that the connecting plate (3) forms an octagonal structure, the height of the connecting plate (3) is higher than the height of the flue connecting frame (1), and the shape of the connecting plate (3) is adapted to the shape of the concrete flue.

4. The connecting and fixing mechanism of a building smoke exhaust flue according to claim 3, characterized in that: The two side top portions and the two side bottom portions of the connecting plate (3) are each provided with a plurality of openings (5), and the openings (5) extend through the connecting plate (3).

5. The connecting and fixing mechanism of a building smoke exhaust flue according to claim 1, characterized in that: The tube width of the flue connecting frame (1) is greater than the inner wall thickness of the flue, and the thickness difference between the flue connecting frame (1) and the flue is one and a half centimeters.

6. The connecting and fixing mechanism of a building smoke exhaust flue according to claim 1, characterized in that: The outer side of the four corners of the connecting plate (3) is arc-shaped.

7. The connecting and fixing mechanism of a building smoke exhaust flue according to claim 1, characterized in that: The inner side of the four corners of the connecting plate (3) is arc-shaped.

Citation Information

Patent Citations

  • House flue gas carrying away duct

    CN2425160Y