Root anti-leakage structure of smoke and air duct in kitchen and bathroom

By using a combination of a prefabricated base and a waterproof air-tight membrane at the base of the flue, the problem of leakage during flue installation is solved, achieving stable installation and efficient sealing, and improving the ventilation effect and health and safety of kitchens and bathrooms.

CN223706991UActive Publication Date: 2025-12-23BEIJING URBAN CONSTR SIXTH GRP
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Patent Information

Application Number
CN202520081057.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-12-23
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Leakage is prone to occur at the base of kitchen and bathroom ventilation ducts during installation. In existing technologies, improper support methods for ventilation ducts can lead to displacement, and inadequate sealing at joints can affect ventilation and potentially pose a health threat.

Method used

The system adopts a combination structure of prefabricated L-shaped base and waterproof air-tight membrane. The prefabricated base is fixed in the structural layer by anchoring steel bars, the flue is inserted into the tongue and groove joint, and the joint is sealed with waterproof air-tight membrane to improve air tightness.

Benefits of technology

This method ensures stable installation of the flue gas duct, reduces offset, enhances the durability and sealing of joints, eliminates potential leakage risks, and improves construction quality and health and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kitchen and bathroom flue gas duct root antiseep structure, including prefabricated base, flue gas duct and waterproof gas barrier film, prefabricated base main part is L-shaped, its internal pre-buried anchor bar, prefabricated base top end is provided with tongue-and-groove, flue gas duct is inserted on the tongue-and-groove, the inner diameter dimension of tongue-and-groove is greater than the outer diameter dimension of flue gas duct, and the waterproof gas barrier film is provided with the waterproof gas barrier film. And the waterproof gas insulation film is arranged at the joint of the prefabricated base and the smoke and air duct. According to the utility model, by prefabricating the flue base, the bottom of the flue is stressed more uniformly, the mounting is more accurate, the flue is not easy to deviate, the adjustment work on the position of the flue in the later period is reduced, the problem that the joint position of the root of the flue is easy to leak is solved by sticking the waterproof air-isolating film at the joint position of the flue, and the air tightness of the flue is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a smoke and air duct construction technical field, concretely relates to a kitchen and bathroom interval smoke and air duct root anti-seepage structure. BACKGROUND

[0002] The kitchen and bathroom interval smoke and air duct root often has seepage hidden danger, in order to solve the smoke and air duct root seepage problem, the conventional method is taken: the smoke and air duct hole is reserved at the wall corner, the smoke and air duct is installed to the reserved hole, the smoke and air duct is supported with angle steel or reinforcing steel, then the joint of the smoke and air duct is poured, makes the joint filling dense, and the smoke and air duct root is waterproofed. When installing the smoke and air duct, the selection of the smoke and air duct support mode and the treatment of the smoke and air duct joint are very important, if the smoke and air duct support mode is not selected properly, the angle steel or reinforcing steel is not embedded accurately, the smoke and air duct support is unevenly stressed, and the smoke and air duct is easily deviated after being positioned. If the joint of the smoke and air duct is not treated properly, such as using polymer mortar to grout the joint of the smoke and air duct, due to the poor durability of traditional mortar sealing, cracking is easily generated, and the smoke and air duct may be leaked with smoke and smell, which not only affects the ventilation effect of the kitchen, but also may potentially threaten the health of the occupants. SUMMARY

[0003] Based on the problems existing in the installation process of the smoke and air duct, the utility model provides a kitchen and bathroom interval smoke and air duct root anti-seepage structure, a base is arranged at the smoke and air duct root, the base is evenly stressed, the smoke and air duct is not deviated, the adjustment work in the later period is reduced, the joint of the smoke and air duct and the base is sealed with a waterproof air barrier film, the smoke and air duct root seepage hidden danger is eliminated, the air tightness of the smoke and air duct is enhanced, and the problems of inaccurate positioning and incompact sealing existing in the conventional installation method are solved.

[0004] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0005] A kitchen and bathroom interval smoke and air duct root anti-seepage structure, including prefabricated base, smoke and air duct and waterproof air barrier film, the prefabricated base main part is L type, and the inside is embedded with anchor reinforcing steel, the prefabricated base top end is provided with a rebate, the smoke and air duct is inserted in the rebate, the rebate inner diameter size is greater than the smoke and air duct outer diameter size, and the waterproof air barrier film is arranged at the joint of the prefabricated base and the smoke and air duct.

[0006] Preferably, the depth of the rebate is 3-5cm, and the rebate inner diameter size is greater than the smoke and air duct outer diameter size by 3-5mm.

[0007] Preferably, the prefabricated base is embedded in a structural layer, the structural layer includes a floor layer, a concrete cushion layer and a decorative surface layer, the prefabricated base bottom is embedded in the floor layer, the top is embedded in the concrete cushion layer, and the concrete cushion layer shields and encloses the prefabricated base.

[0008] Preferably, the structure layer is poured with a reverse ridge at the position of the flue joint, and the reverse ridge is poured above the concrete cushion of the structure layer.

[0009] Preferably, the anchoring steel bars include transversely arranged anchoring steel bars and longitudinally arranged anchoring steel bars.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1. The utility model discloses a prefabricated base is used instead of angle steel or reinforcing steel, and the prefabricated base bottom is buried in the floor layer, and the prefabricated base top is buried in the concrete cushion, so that the horizontal construction joint is lifted, and water cannot leak through the internal corner gap, meanwhile, a rebate is arranged on the prefabricated base, the flue is inserted on the rebate, so that the installation of the flue is more accurate, stress is more uniform, and deviation is not easy to occur, and adjustment work of the position of the flue in the later period is reduced.

[0012] 2. The utility model discloses a waterproof airproof film is pasted at the position of the flue joint, so that the flue and the prefabricated base joint are tightly sealed, the air tightness of the flue is guaranteed, the durability of the joint is improved, leakage hidden danger of the root of the flue is eliminated, and the construction quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The above and / or other aspects and advantages of the utility model will become more apparent and more readily appreciated from the following detailed description, taken in conjunction with the accompanying drawings, of which:

[0014] Figure 1 It is a cross section schematic view of the utility model embodiment after installation;

[0015] Figure 2 It is a cross section schematic view of the utility model embodiment after installation; Figure 1 It is an enlarged view of node A;

[0016] Figure 3 It is a structure schematic view of prefabricated base.

[0017] BRIEF DESCRIPTION OF DRAWINGS: 1, prefabricated base;101, rebate;2, flue;3, waterproof airproof film;4, structure layer;401, floor layer;402, concrete cushion;403, decorative surface layer;5, concrete wall;6, reverse ridge;7, anchoring steel bar. DETAILED DESCRIPTION

[0018] Hereinafter, an embodiment of a kitchen and bathroom inter-smoke air duct root anti-leakage structure of the present application will be described with reference to the accompanying drawings. The embodiment described herein is a specific, concrete embodiment of the present application, for explaining the concept of the present application, and is explanatory and illustrative, and should not be interpreted as limiting the embodiments of the present application and the scope of the present application. In addition to the embodiments described herein, those skilled in the art can also employ other technical solutions that are obvious based on the content disclosed in the claims and the description of the present application, which include technical solutions that make any obvious substitutions and modifications to the embodiments described herein.

[0019] In the description of the present application, it should be noted that the terms "front", "back", "left", "right", "top", "bottom", "up", "down", "in", "out", "horizontal", "vertical", "vertical", "inclined" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] The drawings of the present application are schematic drawings that assist in explaining the concept of the present application, and schematically represent the shape of each part and its mutual relationship. Please note that in order to clearly show the structure of each component of the embodiments of the present application, the drawings are not drawn according to the same scale. The same reference numerals are used to represent the same parts.

[0021] The principles and features of the present application will be described below in conjunction with the drawings, and the embodiments are only used to explain the present application and are not used to limit the scope of the present application. The principles and features of the present application will be described below in conjunction with the drawings, and the embodiments are only used to explain the present application and are not used to limit the scope of the present application. Figures 1-3 A preferred embodiment of the present application will be further described in detail:

[0022] As Figures 1-3 shown, a preferred kitchen and bathroom inter-smoke air duct root anti-leakage structure of the present application comprises a prefabricated base 1 with a main body of L-shaped, a smoke air duct 2 and a waterproof and airproof membrane 3, the prefabricated base 1 is provided with a rebate 101 at the top, the smoke air duct 2 is arranged on the rebate 101, the inner diameter size of the rebate 101 is greater than the outer diameter size of the smoke air duct 2, and the waterproof and airproof membrane 3 is arranged at the joint between the prefabricated base 1 and the smoke air duct 2.

[0023] The prefabricated base 1 of L type is arranged in the structural layer 4, the structural layer 4 is from bottom to top floor layer 401, concrete cushion layer 402 and decorative surface layer 403, the length and width of the prefabricated base 1 are arranged according to the architectural drawing, the height is determined according to the thickness of the ground concrete cushion layer 402, during construction, the prefabricated base 1 is buried in the floor layer 401 at the bottom and in the concrete cushion layer 402 at the top of the floor layer 401, and the concrete cushion layer 402 blocks and encloses the prefabricated base 1, such arrangement can hide the prefabricated base 1 completely in the later construction, and will not affect the decorative surface layer 403; the bottom surface of the prefabricated base 1 is positioned to the steel bar position of the floor layer 401, the anchoring steel bar 7 is arranged in the prefabricated base 1, the anchoring steel bar 7 is divided into the anchoring steel bar 7 arranged horizontally and the anchoring steel bar 7 arranged longitudinally along the installation direction of the prefabricated base 1, the anchoring steel bar 7 arranged longitudinally is connected to the steel bar of the floor layer 401 by welding or binding, so as to position and fix the prefabricated base 1 to the expected position, so that the prefabricated base 1 will not deviate in position due to pouring and vibrating impact during pouring, the anchoring steel bar 7 arranged horizontally is embedded in the concrete cushion layer 402 and is integrated with the concrete cushion layer 402, further strengthening the fixing effect of the prefabricated base 1 and improving the stability of the prefabricated base 1, the top surface of the prefabricated base 1 after pouring is higher than the top surface of the floor layer 401, such arrangement can raise the horizontal construction joint and further improve the anti-seepage effect, the anchoring steel bar 7 is added to improve the stability of the prefabricated base 1; the concrete wall 5 corresponding to the fixed position of the prefabricated base 1 is provided with an outwardly protruding receiving table, the receiving table is integrated with the concrete wall 5, the height of the receiving table is the same as the height of the lower platform of the rebate of the prefabricated base 1, and is used as a supporting structure to place the flue and air duct 2, improving the stability of the flue and air duct 2.

[0024] The prefabricated base 1 is provided with a rebate 101, the depth of the rebate 101 is 3-5 cm, the inner diameter of the rebate 101 is larger than the outer diameter of the flue and air duct 2 by 3-5 mm, the flue and air duct 2 is placed in the rebate 101, so that the bottom of the flue and air duct 2 is connected to the prefabricated base 1, such arrangement can realize quick positioning of the flue and air duct 2, and there is no need to adjust the position of the flue and air duct 2 in the later stage, saving manpower and construction time.

[0025] The waterproof air barrier film 3 has high air tightness, is used for pasting the joint position of the root of the smoke flue 2 and the prefabricated base 1 and the receiving platform, and is also pasted at the joint position of the top of the smoke flue 2 and the floor slab of the upper layer, so that the air tightness of the joint position of the smoke flue 2 is better, the traditional sealing treatment method of the joint position of the smoke flue 2 is to use fine stone concrete for sealing, and the fine stone concrete has the defects of high cost and poor durability and is easy to crack, so that the sealing effect is lost after cracking, and problems such as water seepage and air permeation occur between the kitchen and the bathroom, the waterproof air barrier film 3 is used to replace the fine stone concrete, the sealing property and the durability of the joint position can be improved, the construction difficulty and the construction cost can be reduced, the leakage hidden danger of the root of the smoke flue 2 is reduced, the air tightness of the root position of the smoke flue 2 is enhanced, and the construction quality is improved.

[0026] Further, in order to better enhance the anti-leakage effect of the root of the smoke flue 2, a reverse ridge 6 can be additionally arranged above the prefabricated base 1, the reverse ridge 6 is arranged on the structure layer 4 of the current layer and is connected with the smoke flue 2 and the concrete wall 5, and the reverse ridge 6 is poured with concrete above the concrete cushion layer 402 of the structure layer 4.

[0027] In use, first, the prefabricated base 1 is manufactured according to the construction requirement, the length and width of the prefabricated base 1 are determined according to the building drawing, the height is determined according to the thickness of the floor slab layer 401 and the concrete cushion layer 402, and the prefabricated base 1 is internally provided with horizontal and vertical anchoring steel bars 7; in installation, the prefabricated base 1 is first placed on the steel bars of the floor slab layer 401, then the vertical anchoring steel bars 7 in the prefabricated base 1 are connected and fixed with the floor slab steel bars, then the floor slab layer 401 is poured with concrete, so that the prefabricated base 1 is integrated with the floor slab layer 401, then the concrete cushion layer 402 is poured, and the horizontal anchoring steel bars 7 in the prefabricated base 1 are poured in the concrete cushion layer 402; then the finished smoke flue 2 is installed to the rebate 101 position and is fixed firmly, the waterproof air barrier film 3 is pasted at the joint position of the smoke flue 2 and the prefabricated base 1, and the waterproof air barrier film 3 is also pasted at the joint position of the top of the smoke flue 2 and the floor slab of the upper layer, so that the air tightness of the joint position of the two ends of the smoke flue is ensured; after the waterproof air barrier film 3 is pasted, the root of the smoke flue 2 can be treated according to the conventional method, the conventional treatment method is to first brush waterproof paint, perform base treatment, then perform a waterproof coiled material layer, and further eliminate the leakage hidden danger; finally, according to the construction requirement, the reverse ridge 6 can be additionally arranged above the concrete cushion layer 402 according to the specification, so that the waterproof effect of the root of the smoke flue 2 is further enhanced.

[0028] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A kind of kitchen and bathroom smoke duct root anti-leakage structure, including prefabricated base (1), smoke duct (2) and waterproof air barrier film (3), it is characterized in that: The prefabricated base (1) is L-shaped, and an anchoring steel bar (7) is embedded in the prefabricated base (1), a groove (101) is formed at the top end of the prefabricated base (1), the smoke flue (2) is inserted into the groove (101), the inner diameter of the groove (101) is larger than the outer diameter of the smoke flue (2), and the waterproof and airproof film (3) is arranged at the joint between the prefabricated base (1) and the smoke flue (2).

2. The smoke duct root anti-leakage structure for kitchen and bathroom according to claim 1, characterized in that: The depth of the groove (101) is 3-5 cm, and the inner diameter of the groove (101) is larger than the outer diameter of the smoke flue (2) by 3-5 mm.

3. The smoke duct root anti-leakage structure for kitchen and bath room according to claim 1, characterized in that: The prefabricated base (1) is embedded in a structure layer (4).

4. The smoke duct root anti-leakage structure for kitchen and bath room according to claim 3, characterized in that: The structure layer (4) comprises a floor layer (401), a concrete cushion layer (402) and a decorative surface layer (403), the prefabricated base (1) is embedded in the floor layer (401) at the bottom and embedded in the concrete cushion layer (402) at the top, and the concrete cushion layer (402) shields and encloses the prefabricated base (1).

5. The smoke duct root anti-leakage structure for kitchen and bath room according to claim 4, characterized in that: A reverse ridge (6) is poured at the joint position between the structure layer (4) and the smoke flue (2), and the reverse ridge (6) is poured above the concrete cushion layer (402) of the structure layer (4).

6. The smoke duct root anti-leakage structure for kitchen and bath room according to claim 1, characterized in that: The anchoring steel bar (7) comprises a transversely arranged anchoring steel bar (7) and a longitudinally arranged anchoring steel bar (7).