Mounting opening structure for finished flue

Abstract

The utility model relates to the technical field of flue installation, in particular to an installation opening structure for a finished flue, which comprises a structural floor, a reserved opening is reserved between a corner of the structural floor and a vertical wall of the corner, a reverse ridge structure is arranged on the upper surface of the structural floor on the outer side of the reserved opening, and the reverse ridge structure and the structural floor are integrally cast and formed. The top of the reverse ridge structure is connected with the lower surface of the finished flue, and an outer tongue-and-groove is formed in the outer side of the top of the finished flue; an inner rabbet is formed in the lower portion of the side wall, facing the reserved opening, of the structural floor, and the inner rabbet is matched with the outer rabbet. The reverse ridge structure and the structural floor slab are integrally formed through one-time pouring, the self-waterproof advantage of the structure is fully played, and the leakage problem can be effectively reduced. The finished product flue and the reverse ridge structure are installed in a pressing face mode, and the risk that a traditional flue sinks due to unloading can be avoided. The finished product flue is connected with the structural floor slab through the tongue-and-groove, the finished product flue can be conveniently and rapidly fixed, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flue installation, and particularly relates to an installation opening structure for a finished flue. Background Art

[0002] In the traditional flue installation process, the construction stage of the main structure is a crucial link. To ensure the smooth installation of the flue and maintain good sealing and stability, a hole 2-4 cm larger than the actual size of the flue is usually reserved in the main structure in advance. The design intention of this reserved space is to facilitate the installation adjustment of the flue and possible later maintenance and repair, but at the same time, it puts higher requirements on the construction quality.

[0003] In the later stage of flue installation, a series of delicate operations follow. First, unloading steel bars need to be installed. The main function of these steel bars is to disperse the pressure of the flue weight on the floor slab or wall, preventing damage caused by local stress concentration due to long-term use or ash accumulation in the flue. The installation of the unloading steel bars must be carried out strictly in accordance with the design requirements to ensure its accurate position and firm fixation.

[0004] Subsequently, the steps of formwork sealing and pouring concrete for the suspended hole are carried out. This link requires construction personnel to be meticulous to ensure good formwork sealing and dense concrete pouring without cavities to avoid leakage problems in the later stage. However, due to the small gap between the reserved hole and the flue, and the method of using suspended hole formwork to pour fine aggregate concrete, the construction difficulty is relatively large, and the existence of the construction joint between the side wall of the flue and the side wall of the reserved hole increases the leakage risk. Especially after the building is put into use, once there is rain leakage or pipeline leakage, etc., the construction joint is extremely easy to become a leakage channel, resulting in quality problems such as mildew of ceiling paint and wall seepage, bringing inconvenience to the lives of the owners, and being difficult and costly to repair, which is likely to cause dissatisfaction and group complaints from the owners.

[0005] In addition, the treatment of flue unloading is also a major challenge. Although embedded steel bars or post-inserted bars are common treatment methods, there are often omissions in actual operations. Coupled with the fact that the steel bars are easily corroded when exposed to a humid environment for a long time, further weakening their bearing capacity. When the weight of the oil fume, water vapor, etc. accumulated in the flue exceeds the bearing capacity of the steel bars, serious consequences such as flue sinking, cracking, and even pulling out the facing bricks may occur, which not only affects the building aesthetics but also threatens the life and property safety of the owners. Content of the Utility Model

[0006] In order to solve the technical problems of easy leakage formation at the construction joint and easy flue sinking after flue installation in the prior art, the utility model provides an installation opening structure for a finished flue.

[0007] To achieve the above object, the technical solution adopted by the utility model is as follows:

[0008] An installation opening structure for a finished flue, comprising a structural floor slab. There is a reserved opening between the corner of the structural floor slab and the vertical wall at the corner. On the upper surface of the structural floor slab outside the reserved opening, there is a counter-camber structure, which is integrally cast with the structural floor slab. The top of the counter-camber structure is connected to the lower surface of the finished flue. On the outer side of the top of the finished flue, there is an outer socket; on the lower part of the side wall of the structural floor slab facing the reserved opening, there is an inner socket, and the inner socket and the outer socket are adapted to each other.

[0009] Adopting the above structural scheme, the counter-camber structure is integrally cast with the structural floor slab at one time, giving full play to the self-waterproof advantage of the structure and effectively reducing the leakage problem. The strength and stiffness of the counter-camber structure fully meet the installation of the finished flue pressing surface, and the risk of unloading and sinking of the traditional flue can be avoided. At the same time, the outer side surface of the top of the finished flue and the bottom of the side surface of the structural floor slab facing the reserved opening are connected by sockets, which can conveniently and quickly fix the finished flue and improve the installation efficiency.

[0010] As a preferred implementation manner of an installation opening structure for a finished flue, on the lower surface of the structural floor slab outside the reserved opening, there is a downward and outward inclined groove, and the outer socket is arranged at the top of the inclined groove.

[0011] Adopting the above structural scheme, due to the existence of the outer socket, the top of the finished flue can be more smoothly pushed into the side surface of the structural floor slab, facilitating the docking of the inner socket and the outer socket.

[0012] As a preferred implementation manner of an installation opening structure for a finished flue, the inclination angle of the inclined groove is 45°.

[0013] Adopting the above structural scheme, it is more convenient to push in the top of the finished flue.

[0014] As a preferred implementation manner of an installation opening structure for a finished flue, there is a reinforced aluminum form inside the counter-camber structure.

[0015] Adopting the above structural scheme, with the aluminum form reinforcement inside the counter-camber structure, the size control is accurate, and the strength and stiffness of the counter-camber structure fully meet the installation of the finished flue pressing surface, and the risk of unloading and sinking of the traditional flue can be avoided.

[0016] As a preferred implementation manner of an installation opening structure for a finished flue, the vertical wall is a shear wall, and the counter-camber structure extends 20 mm into the vertical wall.

[0017] Adopting the above structural scheme is beneficial to reinforcement connection.

[0018] As a preferred implementation manner of an installation opening structure for a finished flue, the gap exceeding 4 mm between the finished flue and the vertical wall is filled with waterproof mortar.

[0019] Adopting the above structural scheme improves the waterproof effect.

[0020] As a preferred implementation of the installation opening structure for a finished flue, a wire mesh is connected to the outer surface of the finished flue, and the wire mesh vertically covers the outer side of the counter-camber structure downward.

[0021] With the above structural solution, the plastering wire mesh, as a composite material with strong toughness and strength, can strengthen the structural strength of the finished flue, improve the crack resistance performance, and effectively enhance the connection strength between the finished flue and the counter-camber structure. At the same time, after the wire mesh is combined with the plastering layer, it can improve the waterproof performance, prevent the phenomenon of hollowing, and beautify the wall.

[0022] As a preferred implementation of the installation opening structure for a finished flue, a flue check valve hole is provided in the finished flue.

[0023] With the above structural solution, the flue check valve hole is opened before installation or plastering to avoid the hollowing of plastering caused by the vibration of later chiseling.

[0024] The effective effects of the present utility model include:

[0025] In this application, the counter-camber structure is integrally formed by one-time pouring with the structural floor slab, giving full play to the self-waterproof advantage of the structure, and being able to effectively reduce the leakage problem. The strength and stiffness of the counter-camber structure fully meet the requirements for the installation of the finished flue surface, and the risk of the traditional flue unloading and sinking can be avoided. At the same time, a rabbet connection is adopted between the outer side surface of the top of the finished flue and the bottom of the side surface of the structural floor slab facing the reserved opening, which can conveniently and quickly fix the finished flue and improve the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the present utility model, the drawings required for description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0027] Figure 1 It is a schematic cross-sectional structure diagram of an installation opening structure for a finished flue in a specific embodiment of the present utility model;

[0028] Figure 2 For Figure 1 The enlarged view of the structure at A in

[0029] Figure 3 It is a schematic top view structure diagram of the reserved opening structure in a specific embodiment of the present utility model.

[0030] List of components and reference numerals:

[0031] 1. Structural floor slab; 2. Reserved opening; 3. Anti-camber structure; 4. Prefabricated flue; 5. Bevel; 6. Vertical wall. Detailed implementation mode

[0032] To make the purpose, features and advantages of the present utility model more obvious and understandable, the technical solutions in the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the specific embodiments of the present utility model. Obviously, the embodiments described below are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0033] Refer to Figures 1-3 , this embodiment proposes an installation opening structure for a prefabricated flue, including a structural floor slab 1. There is a reserved opening 2 between the corner of the structural floor slab 1 and the vertical wall 6 at the corner. The upper surface of the structural floor slab 1 outside the reserved opening 2 is provided with an anti-camber structure 3. The anti-camber structure 3 and the structural floor slab 1 are an integral structure, and the anti-camber structure 3 and the structural floor slab 1 are integrally cast and formed at one time. The inside of the anti-camber structure 3 is provided with a reinforced aluminum formwork. When the vertical wall 6 is a shear wall, the anti-camber structure 3 extends into the vertical wall 6 by 20 mm. The top of the anti-camber structure 3 is connected to the lower surface of the prefabricated flue 4. The gap between the prefabricated flue 4 and the vertical wall 6 exceeding 4 mm is filled with waterproof mortar. A wire mesh is connected to the outer surface of the prefabricated flue 4, and the wire mesh vertically covers the outer side of the anti-camber structure 3 downward. The prefabricated flue 4 is provided with a flue check valve hole. An external enterprise opening is provided on the outer side of the top of the prefabricated flue 4; the lower part of the side wall of the structural floor slab 1 facing the reserved opening 2 is provided with an internal enterprise opening, and the internal enterprise opening and the external enterprise opening are adapted to each other. The lower surface of the structural floor slab 1 outside the reserved opening 2 is provided with a downward and outward bevel 5, and the inclination angle of the bevel 5 is 45°. The external enterprise opening is arranged at the top of the bevel.

[0034] The working principle of this embodiment is:

[0035] During installation, the outer tongue of the top of the finished flue 4 is pushed obliquely into the inner tongue of the side wall of the structural floor 1 along the inclined surface of the groove 5. Due to the existence of the outer tongue, the top of the finished flue 4 can be pushed into the side of the structural floor 1 more smoothly, which is convenient for the inner tongue and the outer tongue to dock. Then push the bottom of the finished flue 4 toward the vertical wall, push the bottom of the finished flue 4 to dock with the top of the anti-slope structure 3, and push the finished flue 4 to the position against the wall. At this point, the finished flue 4 has been placed in the installation position. Then fill the joints between the finished flue 4 and the top of the anti-slope structure 3, the joints between the outer tongue and the inner tongue, connect the finished flue 4 with the anti-slope structure 3, and the finished flue 4 with the structural floor 1. Specifically, cement mortar or waterproof mortar is used for filling. Use the same method to fill the gap between the finished flue 4 and the vertical wall, and the side seams between the finished flue 4 and the vertical wall 6 that exceed 4mm are filled with 1:2.5 waterproof mortar. Finally, the finished flue 4 is fully hung with steel mesh on the outer side of the structural floor 1, and the steel mesh vertically covers the outer side of the anti-slope structure 3, and is plastered with cement mortar and watered for maintenance.

[0036] In this embodiment, the anti-ridge structure 3 and the structural floor 1 are cast in one piece, giving full play to the structural self-waterproofing advantage and effectively reducing leakage problems. The anti-ridge structure 3 is reinforced with aluminum molds inside, and the size is precisely controlled. The strength and rigidity of the anti-ridge structure 3 fully meet the pressure surface installation of the finished flue 4, and the risk of unloading and sinking of the traditional flue can be avoided. At the same time, the top outer side of the finished flue 4 and the bottom of the side of the structural floor 1 facing the reserved opening 2 are connected by a tongue-and-groove connection, which can conveniently and quickly fix the finished flue 4 and improve installation efficiency.

[0037] This embodiment eliminates the complicated processes of supporting the formwork and plugging the hanging hole, unloading the steel bar, and waterproofing and strengthening, and can realize the installation of the finished flue 4 by the bracket after removing the formwork, simplifying the on-site construction process and accelerating the construction efficiency. In this embodiment, the top plane of the anti-ridge structure 3 is pressed and formed once as much as possible during the integral casting. If the top plane of the anti-ridge structure 3 after forming is uneven, it can be leveled or polished with cement mortar with a ratio of 1:3.

[0038] In this embodiment, the finished flue 4 is of a non-through type, and the length should be customized in advance.

[0039] In this embodiment, the size of the anti-ridge structure 3 can be 150 mm high and 80 mm wide, and the inner and outer side surfaces of the anti-ridge structure 3 are flush with the inner and outer side surfaces of the finished flue 4 respectively.

[0040] In this embodiment, the outer tongue-and-groove size of the top of the finished flue 4 is 40 mm thick and 90 mm wide.

[0041] In this embodiment, the flue check valve hole should be drilled before installation or plastering to avoid hollowing of the plaster caused by vibration due to chiseling at a later stage.

[0042] In this embodiment, the reinforced aluminum formwork can be of a frame structure, and the reinforced aluminum formwork plays a role in reinforcement and shaping in the inverted beam structure.

[0043] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An installation opening structure for a finished flue, comprising a structural floor slab (1). There is a reserved opening (2) between the corner of the structural floor slab (1) and the vertical wall (6) at the corner. It is characterized in that on the upper surface of the structural floor slab (1) outside the reserved opening (2), there is a counter-camber structure (3). The counter-camber structure (3) is integrally cast with the structural floor slab (1). The top of the counter-camber structure (3) is connected to the lower surface of the finished flue (4). There is an outer enterprise opening on the outer side of the top of the finished flue (4); on the lower part of the side wall of the structural floor slab (1) facing the reserved opening (2), there is an inner enterprise opening, and the inner enterprise opening is adapted to the outer enterprise opening.

2. The installation port structure for a finished flue according to claim 1, characterized in that, On the lower surface of the structural floor slab (1) outside the reserved opening (2), there is a downward and outward inclined groove (5), and the outer enterprise opening is arranged at the top of the inclined groove.

3. The installation port structure for a finished flue according to claim 2, characterized in that, The inclination angle of the inclined groove (5) is 45°.

4. The installation port structure for a finished flue according to claim 1, characterized in that, Reinforced aluminum formwork is provided inside the counter-camber structure (3).

5. The installation opening structure for a finished flue according to claim 1, characterized in that, The vertical wall (6) is a shear wall, and the counter-camber structure (3) extends into the vertical wall (6) by 20 mm.

6. The installation opening structure for a finished flue according to claim 1, characterized in that, The gap exceeding 4 mm between the finished flue (4) and the vertical wall (6) is filled with waterproof mortar.

7. The installation opening structure for a finished flue according to claim 1, characterized in that, A wire mesh is connected to the outer surface of the finished flue (4), and the wire mesh vertically covers the outer side surface of the counter-camber structure (3) downward.

8. The installation port structure for a finished flue according to claim 1, characterized in that, The finished flue (4) is provided with a flue check valve hole.

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