A prefabricated flue rapid alignment connecting structure

Abstract

The utility model relates to a kind of prefabricated flue fast alignment connecting structure, it includes lower section flue and the upper section flue to be installed on it, it further includes the connecting component for connecting lower section flue top and upper section flue bottom, wherein, the connecting component includes the body poured in concrete floor, the through center passage is formed in the body central portion, the upper portion of body is formed into a receiving port for receiving upper section flue;The inner wall of the receiving port is equipped with alignment part for guiding the insertion of the upper section flue and annular sealing groove for accommodating auxiliary part.This prefabricated flue fast alignment connecting structure is through a standardized connecting component, the fast accurate alignment of upper section flue is realized using its own alignment part, and it is firmly integrated with floor connection by connecting reinforcing bar, effectively solve the technical problems that traditional flue installation alignment is difficult, sealing is poor, and connection with floor is not firm, significantly improve construction efficiency and connection reliability.

Description

Technical Field

[0001] This utility model relates to the field of building construction accessories technology, specifically to a connection structure for connecting two prefabricated flue sections in a reinforced concrete floor slab. Background Technology

[0002] In the construction of high-rise buildings, the installation and connection of prefabricated flues when passing through cast-in-place reinforced concrete floor slabs is a key technical challenge. The traditional construction method usually involves leaving openings in the floor slabs, and then sealing the gaps after the flue passes through.

[0003] Due to space constraints at the reserved openings and the weight of the flue itself, flue construction and positioning are inconvenient, resulting in low alignment efficiency during installation. Furthermore, long-term use can lead to aging and detachment of the end and outer sealing structures, and the load-bearing layer may not fully close at the ends due to the influence of the reinforcing steel bars. All these issues can cause incomplete flue sealing, resulting in gaps in the flue and causing smoke retention and odor transfer. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a prefabricated flue quick-alignment connection structure, which aims to solve the problems of difficult flue installation alignment, low efficiency, unreliable interface sealing, and weak connection with the floor slab structure in the prior art.

[0005] This prefabricated flue quick-alignment connection structure includes a lower flue section and an upper flue section to be installed on it. It also includes a connecting component for connecting the top of the lower flue section and the bottom of the upper flue section. The connecting component includes a body cast in a concrete floor slab, with a through central channel formed in the center of the body. The upper part of the body forms a receiving interface for receiving the upper flue section. The inner wall of the receiving interface is provided with an alignment part for guiding the insertion of the upper flue section and an annular sealing groove for accommodating auxiliary parts.

[0006] Furthermore, the lower part of the main body is provided with a positioning groove for fitting onto the upper port of the lower flue section.

[0007] Furthermore, the outer side wall of the main body is provided with multiple outwardly extending connecting steel bars for fixing into the cast-in-place structure.

[0008] Furthermore, the alignment portion is a tapered guide surface that extends obliquely from the opening of the receiving interface.

[0009] Furthermore, the sealing groove is located below the alignment portion, and the cross-section of the sealing groove is U-shaped or V-shaped.

[0010] Furthermore, the accessory is an elastic seal embedded in the sealing groove.

[0011] This utility model discloses a prefabricated flue quick alignment and connection structure. Through a standardized connecting component, the upper flue section is quickly and accurately aligned using its own alignment part. And through connecting steel bars, a firm and integrated connection with the floor slab is achieved. This effectively solves the technical problems of difficult alignment, poor sealing, and weak connection with the floor slab in traditional flue installation, and significantly improves construction efficiency and connection reliability. Attached Figure Description

[0012] The following description, in conjunction with the accompanying drawings, further illustrates a prefabricated flue quick-alignment and connection structure according to this utility model: Figure 1 This is a schematic diagram of the overall structure of the prefabricated flue quick-alignment connection structure; Figure 2 yes Figure 1 A three-dimensional structural diagram; Figure 3 yes Figure 1 Sectional view along axis AA; Figure 4 yes Figure 3 A magnified view of part B in the middle; Figure 5 This is a top plan view of the connecting member. Figure 6 yes Figure 5 A three-dimensional image; Figure 7 yes Figure 6 A three-dimensional view viewed from below; Figure 8 yes Figure 6 Exploded view of the structure.

[0013] In the picture: 1-Lower flue section, 2-Upper flue section, 3-Connecting component, 4-Elastic sealing element; 31-Body, 32-Socket, 33-Alignment part, 34-Sealing groove, 35-Positioning groove, 36-Connecting steel bar. Detailed Implementation

[0014] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0015] In the description of this utility model, it should be understood that the terms "left", "right", "front", "rear", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] The present invention will be further described below with specific embodiments, but the scope of protection of the present invention is not limited to the following embodiments.

[0017] Implementation method 1: such as Figures 1 to 8 As shown, this prefabricated flue quick-alignment connection structure includes a lower flue section 1 and an upper flue section 2 to be installed on it. It also includes a connecting component 3 for connecting the top of the lower flue section 1 and the bottom of the upper flue section 2. The connecting component 3 includes a body 31 cast in a concrete floor slab, with a central through-channel formed in the center of the body 31. The upper part of the body 31 forms a receiving interface 32 for receiving the upper flue section 2. The inner wall of the receiving interface 32 is provided with an alignment part 33 for guiding the insertion of the upper flue section 2 and an annular sealing groove 34 for accommodating auxiliary components. In other words, this connection structure mainly consists of three parts: the lower flue section 1 already installed, the upper flue section 2 to be installed, and the connecting component 3 as the core component. The connecting component 3 is an independent, standardized accessory that can be prefabricated from high-strength concrete or composite materials. It includes a hollow body 31, which is connected to the building's concrete floor slab during construction. On the upper part of the body 31, there is an integrally formed upward-opening receiving interface 32.

[0018] Implementation method 2: such as Figures 4 to 8As shown, the lower part of the body 31 of this prefabricated flue quick-alignment connection structure is provided with a positioning groove 35 for fitting onto the upper port of the lower flue section 1. That is, a positioning groove 35 is provided in the lower part of the body 31. The size of the groove matches the wall thickness of the lower flue section 1. During installation, the connecting member 3 can be firmly seated on the top of the lower flue section 1 through this groove. Multiple outwardly extending connecting steel bars 36 are provided on the outer wall of the body 31 for fixing into the cast structure. That is, multiple connecting steel bars 36 extend horizontally outward from the outer wall of the body 31. These steel bars 36 are completely wrapped by the concrete of the cast structure during casting, thereby firmly anchoring the connecting member 3 to the building structure. When the edge of the flue is constructed against the wall, the connecting steel bars 36 on the wall side of the connecting member 3 can be cut off, or a connecting member 3 product without connecting steel bars on one side or adjacent side can be selected. The alignment part 33 is a conical guide surface that extends obliquely from the opening of the receiving interface 32. The inner wall of the receiving interface 32 is precisely designed, with its upper edge being a tapered guide surface extending obliquely inward, forming the alignment part 33 for automatically guiding the insertion of the upper flue 2. The sealing groove 34 is located below the alignment part 33, and the cross-section of the sealing groove 34 is U-shaped or V-shaped. The auxiliary component is an elastic sealing element 4 embedded in the sealing groove 34. That is, below the alignment part 33, there is a ring-shaped sealing groove 34 with a U-shaped or V-shaped cross-section, which is used to accommodate the elastic sealing element 4 as an auxiliary component. The remaining structures and components are as described in Embodiment 1 and will not be described again.

[0019] During construction: such as Figures 1 to 4 As shown, after the lower flue section 1 is installed, the elastic sealing element 4 is first placed into the positioning groove 35 at the bottom of the connecting member 3. The connecting member 3 is then fitted onto the upper end of the lower flue section 1 through the positioning groove 35 at its bottom. Next, another elastic sealing element 4 is placed into the sealing groove 34 of the receiving interface 32. Then, the upper flue section 2 is lowered with its bottom aligned with the receiving interface 32. Guided by the alignment part 33, the upper flue section 2 automatically corrects its position and smoothly inserts until it is firmly seated. At this point, both the upper and lower flue sections press the elastic sealing elements 4 together, forming a reliable seal. Finally, concrete is poured into the ground to completely embed the connecting member 3. After the concrete has solidified, the installation of the upper flue section 2 is complete. Subsequent construction follows the same procedure.

[0020] This prefabricated flue quick-alignment connection structure uses a standardized connecting component to achieve rapid and accurate alignment of the upper flue section, and achieves a firm and integrated connection with the floor slab through connecting steel bars. It effectively solves the technical problems of difficult alignment, poor sealing, and weak connection with the floor slab in traditional flue installation, and significantly improves construction efficiency and connection reliability.

[0021] The above description illustrates the main features, basic principles, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments or examples described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the above embodiments or examples should be considered exemplary and not restrictive. The scope of this utility model is defined by the appended claims rather than the foregoing description, and therefore all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0022] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A prefabricated flue quick-alignment connection structure, comprising a lower flue section (1) and an upper flue section (2) to be installed thereon, characterized in that: It also includes a connecting member (3) for connecting the top of the lower flue (1) to the bottom of the upper flue (2), wherein, The connecting member (3) includes a body (31) cast in a concrete floor slab. A central channel is formed in the center of the body (31). The upper part of the body (31) is formed as a receiving interface (32) for receiving the upper flue (2). The inner wall of the receiving interface (32) is provided with an alignment part (33) for guiding the upper flue (2) to be inserted and an annular sealing groove (34) for accommodating auxiliary parts.

2. The prefabricated flue quick-alignment connection structure according to claim 1, characterized in that: The lower part of the body (31) is provided with a positioning groove (35) for fitting onto the upper port of the lower flue (1).

3. The prefabricated flue quick-alignment connection structure according to claim 2, characterized in that: The outer wall of the main body (31) is provided with multiple outwardly extending connecting steel bars (36) for fixing into the cast-in-place structure.

4. The prefabricated flue quick-alignment connection structure according to claim 3, characterized in that: The alignment part (33) is a tapered guide surface that extends obliquely from the opening of the receiving interface (32).

5. The prefabricated flue quick-alignment connection structure according to claim 4, characterized in that: The sealing groove (34) is located below the alignment part (33), and the cross-section of the sealing groove (34) is U-shaped or V-shaped.

6. The prefabricated flue quick-alignment connection structure according to claim 5, characterized in that: The accessory is an elastic seal (4) embedded in the sealing groove (34).

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