CN216921195U

CN216921195U - Assembled flue connection structure

Info

Publication number: CN216921195U
Application number: CN202123303196.6U
Authority: CN
Inventors: 孟建民; 唐大为; 秦超
Original assignee: Shenzhen General Institute of Architectural Design and Research Co Ltd
Current assignee: Shenzhen General Institute of Architectural Design and Research Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-08
Anticipated expiration: 2031-12-24

Abstract

The utility model provides an assembly type flue connecting structure, which is used for sealing connection of an assembly type flue at a floor, and comprises an upper flue, a lower flue, a connecting frame, a bellmouth and a cover plate, wherein the periphery of the lower end of the connecting frame extends inwards to form a folded edge, the inner wall of the connecting frame, the upper wall of the folded edge and the outer wall of the upper end of the lower flue form an open slot, one end of the bellmouth is provided with a large opening, the other end of the bellmouth is provided with a small opening, the small opening of the bellmouth is sleeved on the inner wall of the lower end of the upper flue, the bottom of the large opening of the bellmouth is inserted into the open slot, the cover plate is arranged at the top end of the open slot and forms a closed cavity with the open slot, and a first filling layer and a second filling layer are sequentially filled from the bottom wall to the top wall of the closed cavity. The assembly type flue connecting structure is simple in design structure, can be widely applied to flue connection between assembly type kitchen modules, and is convenient to construct, low in cost and good in sealing effect.

Description

Assembled flue connection structure

Technical Field

The utility model relates to the technical field of buildings, in particular to an assembly type flue connecting structure.

Background

In recent years, with the rapid advance of industrialization of new buildings represented by assembly buildings, the project adopting modular assembly buildings has become a great trend of development of the building industry. The facilities and water and electricity networks in the kitchen of a residential building are more complex than other spaces and are particularly suitable for being processed as an integral module in a factory.

At present, a kitchen flue in a residential building is mostly made of a finished concrete flue, the flue is installed layer by layer from bottom to top in the traditional construction process, a seam between an upper pipeline and a lower pipeline is sealed by cement sand lime, a gap between the pipeline and a floor slab is filled by fine stone concrete, the processes are all carried out after the structural construction is completed, an integrally assembled kitchen module is a high assembly and comprises a structure, built-in parts, water and electricity, the flue and the like, the construction operation space is not available on the site, and only upper and lower interfaces are left on the site to be processed.

The conventional concrete flue of the house is made of brittle materials, the integrally-assembled kitchen module needs to be integrally formed with a main body structure in a cast-in-place mode, so that the flue needs to be higher by one section at the top of the module, a lateral template is provided for a nearby floor slab in the concrete casting process, and foreign matters are prevented from falling into the flue. However, the position of the integrally assembled kitchen module needs to be continuously adjusted in the hoisting and positioning process, and the integrally assembled kitchen module is easy to damage in the construction and transportation processes, so that the use effect is influenced.

Under the background, technical personnel must provide an assembly type structure of a socket type connecting finished product metal flue so as to solve the problem of field connection of the finished product metal flue through the finished product metal flue, a top socket and a bottom connecting piece, and the methods of setting slurry before hoisting and grouting after hoisting.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides an assembled flue connecting structure.

The utility model discloses an assembly type flue connecting structure, which is used for sealing connection of an assembly type flue at a floor, and comprises an upper flue, a lower flue, a connecting frame, a bellmouth and a cover plate, wherein the periphery of the lower end of the connecting frame extends inwards to form a folded edge, the inner wall of the connecting frame, the upper wall of the folded edge and the outer wall of the upper end of the lower flue form an open slot, one end of the bellmouth is provided with a large opening, the other end of the bellmouth is provided with a small opening, the small opening of the bellmouth is sleeved on the inner wall of the lower end of the upper flue, the bottom of the large opening of the bellmouth is inserted into the open slot, the cover plate is arranged at the top end of the open slot and forms a closed cavity with the open slot, and a first filling layer and a second filling layer are sequentially filled from the bottom wall to the top wall of the closed cavity.

Further, the first filling layer and the second filling layer are both made of cement mortar materials.

Further, the inner diameter of the large opening of the bell mouth is larger than the outer diameter of the lower flue.

Further, the outer diameter of the small opening of the bellmouth is smaller than the inner diameter of the upper flue.

Furthermore, two through holes are arranged at the edge of the cover plate, wherein one through hole is a grouting hole, and the other through hole is a grout overflow hole.

Furthermore, an adhesive layer is arranged between the outer wall of the small opening of the bellmouth and the inner wall of the lower end of the upper flue.

Further, the pasting layer is flame-retardant silicone weather-resistant glue.

The implementation of the assembly type flue connecting structure has the following beneficial technical effects:

the assembled flue connecting structure adopts the connecting frame, the bellmouth and the cover plate, and the sealed cavity formed by the connecting frame, the bellmouth and the cover plate is filled with the sealing material for sealing connection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a cross-sectional view of a fabricated flue connection structure of an embodiment of the present invention;

FIG. 2 is a partially exploded view of a fabricated flue attachment structure according to an embodiment of the present invention;

fig. 3 is a schematic view of a connection frame of an assembled flue connection structure according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, an embodiment of the present invention provides an assembly-type flue connection structure, which is used for sealing connection of an assembly-type flue at a floor 10, and includes an upper flue 1 and a lower flue 2, the assembly-type flue connection structure further includes a connection frame 3, a socket 4 and a cover plate 5, a folded edge 31 is extended inward from the periphery of the lower end of the connection frame 3, an open slot is formed by the inner wall of the connection frame 3, the folded edge 31 and the outer wall of the upper end of the lower flue 2, a large opening 41 is formed at one end of the socket 4, a small opening 42 is formed at the other end of the socket 4, the small opening 42 of the socket 4 is sleeved on the inner wall of the lower end of the upper flue 2, the bottom of the large opening 42 of the socket 4 is inserted into the open slot, the cover plate 5 is disposed at the top end of the open slot and forms a closed chamber with the open slot, and a first filling layer 6 and a second filling layer 7 are sequentially filled from the bottom wall to the top wall of the closed chamber.

Preferably, the first and

second packing layers

6 and 7 are both cement mortar materials.

In this embodiment, the inner diameter of the large mouth 41 of the mouthpiece 4 is larger than the outer diameter of the lower flue 2.

In this embodiment, the outer diameter of the small opening 42 of the mouthpiece 4 is smaller than the inner diameter of the upper flue 1, so that the small opening 42 of the mouthpiece 4 is sleeved in the inner wall of the lower end of the upper flue 1, and an adhesive layer is arranged between the outer wall of the small opening 42 of the mouthpiece 4 and the inner wall of the lower end of the upper flue 1, and the adhesive layer has flame retardancy and high temperature resistance.

Preferably, the adhesive layer is flame-retardant silicone weather-resistant adhesive.

In this embodiment, two through holes 8 are disposed at the edge of the cover plate 5, wherein one through hole is a grouting hole and the other through hole is a grout overflow hole.

The construction and installation steps of the embodiment are as follows:

1. after the (n-1 floor) integral assembly type kitchen module is hoisted in place, a connecting frame and a matched hard foam block are sleeved on a flue (namely a lower flue) of the assembly type kitchen module, wherein the hard foam block is used for preventing foreign matters from falling into the flue, n represents a floor, n is more than or equal to 2, namely, the 2 nd floor and the 3 rd floor … the nth floor are used for guiding.

2. And (n-1 floor) pouring concrete, and after the floor concrete strength reaches the specified strength, preparing to hoist the n-floor integrally-assembled kitchen module.

3. And (2) carrying out mortar setting and trowelling by cement mortar (namely a first filling layer) in an open slot formed by the inner wall of the connecting frame, the upper wall of the folded edge and the outer wall of the upper end of the lower flue, waiting for the integrally-assembled kitchen module of the n floors to be hoisted in place, inserting the bottom of the large opening of the bellmouth into the cement mortar in the open slot before the cement mortar is not cured and molded, and fixedly connecting the lower end of the bellmouth with the lower flue after the cement mortar is cured and molded.

4. Before the n-floor integrally-assembled kitchen module is in place, the side surface of the outer wall of the small opening of the bellmouth is fully coated with flame-retardant silicone weather-resistant glue, the cover plate is sleeved in the n-floor integrally-assembled kitchen module, and then the n-floor integrally-assembled kitchen module is inserted into a kitchen flue (the lower end of an upper flue) to be pressed and fixed, so that the small opening of the bellmouth is connected with the upper flue.

5. And after the n-floor integrally-assembled kitchen module is in place, fixing the cover plate, performing cement mortar grouting through the first through hole arranged on the cover plate, finishing cement mortar grouting when cement mortar (namely the second floor filling) overflows from the other through hole, and plugging a grouting hole and an overflow hole (namely two through holes) after grouting is finished.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the utility model in any way, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an assembly type flue connection structure for assembly type flue is at the sealing connection of floor department, includes flue and lower flue, its characterized in that still includes connection frame, bellmouth and apron, inwards extending all around of the lower extreme of connection frame is equipped with the hem, the outer wall of the upper wall of the inner wall of connection frame, hem and lower flue upper end constitutes an open slot, bellmouth one end has the macrostoma, and the other end has the osculum, the inner wall of flue lower extreme is located to the osculum cover of bellmouth, and the macrostoma bottom of bellmouth inserts in the open slot, the apron is located the top of open slot and is formed airtight cavity with the open slot the diapire of airtight cavity is filled in proper order to the roof and is equipped with first filling layer and second filling layer.

2. The fabricated flue connection of claim 1, wherein the first and second packing layers are both cement mortar materials.

3. The fabricated flue connection structure of claim 1, wherein an inner diameter of the mouth of the mouthpiece is larger than an outer diameter of the lower flue.

4. The fabricated flue connection structure of claim 1, wherein the small opening of the mouthpiece has an outer diameter smaller than an inner diameter of the upper flue.

5. The assembly type flue duct connecting structure as claimed in claim 1, wherein two through holes are provided at the edge of the cover plate, one of the through holes is a grout hole, and the other of the through holes is a grout hole.

6. The fabricated flue connection structure of claim 1, wherein an adhesive layer is disposed between the outer wall of the small opening of the mouthpiece and the inner wall of the lower end of the upper flue.

7. The fabricated flue connection structure of claim 6, wherein the adhesive layer is a flame retardant silicone weatherable adhesive.