Cavity component with pipe ditch and construction method thereof

By designing cavity components with pipe trenches, the problem of pipeline concealed in prefabricated buildings is solved, the space utilization rate and appearance are improved, and a convenient maintenance method is provided.

CN120486655APending Publication Date: 2025-08-15HUBEI SYNTHETIC SPACE TECH CO LTD
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Patent Information

Application Number
CN202510828638.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2020-12-23
Publication Date
2025-08-15

AI Technical Summary

Technical Problem

In existing prefabricated prefabricated buildings, building pipelines cannot be installed concealedly, and air ducts are suspended under secondary beams and main beams that affect building space utilization.

Method used

A cavity member with a trench is designed, including an upper plate, a lower plate, a surrounding side wall plate and a middle partition plate. By retaining holes and a cover plate or a raised peripheral wall connection, the pipeline is hidden installation, and it is constructed with prefabricated floor slabs or wall plates through construction steps.

Benefits of technology

It realizes concealed installation of pipelines, improves the utilization rate of building space, has a clean appearance, and is easy to inspect and repair, and is suitable for a variety of construction scenarios.

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Abstract

The invention discloses a cavity component with a pipe ditch and a construction method thereof, and relates to the technical field of prefabricated cavities, the cavity component comprises an upper plate, a lower plate, surrounding side wall plates and middle partition plates, a polyhedron is defined by the upper plate, the lower plate and the surrounding side wall plates, at least one middle partition plate is arranged in the polyhedron and divides the polyhedron into at least two cavities, and the middle partition plates are arranged in the cavities. An open hole is reserved in at least one panel of the at least one separated cavity; the cavity component with the pipe ditch can be constructed in cooperation with an assembly type floor slab or wallboard, the problem that pipelines of the prefabricated floor slab or wallboard are not suitable for concealed installation is solved, and the problem that building space is wasted due to the fact that air pipes are hung below primary and secondary beams can also be solved.
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Description

[0001] This application is a divisional application. The original application invention name is A hollow component with a trench and its construction method. The application number is 202011536222.7, and the application date is December 23, 2020. Technical Field

[0002] The present invention relates to the technical field of prefabricated buildings, and in particular to a cavity component with a pipe trench and a construction method thereof. Background Art

[0003] Modernization of the construction industry has become a dominant theme for the current and future generations. Prefabrication of building components and assembly-based construction methods are essential for achieving this modernization. Currently, various structural panel types are emerging, including prefabricated wall panels, prefabricated floor slabs, composite floor slabs, and prefabricated cavity floor slabs. However, these panel structures all face a common challenge: concealed installation of building piping using prefabricated components is impossible. Furthermore, in buildings equipped with central air conditioning, the bulky air ducts are typically suspended beneath secondary and primary beams, severely impacting the building's functionality and limiting the choice of floor heights. Finding a simple, cost-effective method for concealed piping installation is a pressing issue, particularly for residential and public buildings with demanding finishes. Summary of the Invention

[0004] In view of the defects in the prior art, the present invention aims to provide a cavity component with a pipe trench and a construction method thereof.

[0005] In order to achieve the above purpose, the technical solution adopted by the present invention is:

[0006] A cavity component with a pipe trench comprises an upper plate, a lower plate, surrounding sidewall plates and a middle partition plate. The upper plate, the lower plate and the surrounding sidewall plates enclose a polyhedron. At least one middle partition plate is arranged inside the polyhedron to separate the polyhedron into at least two cavities. An opening hole is reserved on at least one panel of at least one of the separated cavities.

[0007] On the basis of the above technical solution, the upper plate is an integral prefabricated plate or a prefabricated spliced plate.

[0008] On the basis of the above technical solution, the lower plate and the middle partition plate are an integral prefabricated plate or a prefabricated spliced plate.

[0009] On the basis of the above technical solution, the upper plate is composed of at least two prefabricated plates, and at least one of the prefabricated plates is movable.

[0010] On the basis of the above technical solution, the surrounding side wall panel is an integral prefabricated panel or a prefabricated spliced panel.

[0011] On the basis of the above technical solution, at least two adjacent side wall panels among the surrounding side wall panels are integrally prefabricated component side panels.

[0012] On the basis of the above technical solution, a movable cover plate is provided on the hole; or there is a raised peripheral wall on the outside of the hole mouth, and a cover plate is provided on the peripheral wall; or the cover plate is connected to the hole or the peripheral wall by a hinge, tongue and groove, groove, or male and female joint; or the hole mouth is circular, elliptical or polygonal.

[0013] Based on the above technical solution, adjacent parts of the upper plate, lower plate, surrounding side wall plates and middle partition plates are prefabricated into prefabricated assemblies, and the prefabricated assemblies are connected by welding, hinges, bonding, tooth joints, tongue and groove or notch.

[0014] On the basis of the above technical solution, the middle partitions are arranged parallel to or perpendicular to each other; or pipeline racks or pipeline support plates are arranged on the sides of the middle partitions.

[0015] Based on the above technical solution, a construction method of a cavity component with a pipe trench includes the following steps:

[0016] Step 1: Lay out the lines on the supported formwork and position the frame beams, ribbed beams, cavity components, and pipe trenches;

[0017] Step 2: Place the cavity components, and connect the cavity components through the trench;

[0018] Step 3: Tie the steel bars of the frame beam and multi-rib beam;

[0019] Step 4: Pour concrete and leave the inspection port exposed;

[0020] Step 5: Maintenance and demolding.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] (1) Compared with the prior art, the hollow component with pipe trench in the present invention is simple to construct, flexible and diverse, easy to maintain, and has a wide range of applications.

[0023] (2) The hollow component with pipe trench in the present invention can be constructed in conjunction with assembled floor slabs or wall panels, solving the problem that pipelines in prefabricated floor slabs or wall panels are not suitable for concealed installation, and can also solve the problem that air ducts are suspended under primary and secondary beams and waste building space.

[0024] (3) The hollow component with pipe trench in the present invention can hide the pipe trench inside the floor, making the appearance of the entire floor more neat and tidy, avoiding the disadvantages of the traditional floor with messy and unsightly wiring.

[0025] (4) The hollow component with a pipe trench in the present invention can flexibly set the direction of the line, and the exposed inspection port on the hollow component can be used to conveniently and promptly inspect the line in the hollow component. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural schematic diagram of a cavity component with a pipe trench in an embodiment of the present invention;

[0027] Figure 2 : A structural diagram of a second embodiment of a hollow component with a pipe trench according to an embodiment of the present invention;

[0028] Figure 3 : A structural diagram of a third embodiment of a cavity component with a pipe trench according to an embodiment of the present invention;

[0029] Figure 4 : A structural diagram of a fourth embodiment of a cavity component with a pipe trench according to an embodiment of the present invention;

[0030] Figure 5 : A structural diagram of Example 5 of a cavity component with a trench in an embodiment of the present invention.

[0031] In the figure: 1-upper plate, 2-lower plate, 3-surrounding side wall plate, 4-partition plate, 5-connecting pipe fitting, 7-hole, 13-cover plate, 14-surrounding wall, 21-pipeline rack, 22-pipeline support plate. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

[0033] See also Figure 1 The schematic structural diagram of a cavity component with a pipe trench in an embodiment of the present invention is shown, which includes an upper plate 1, a lower plate 2, surrounding side wall plates 3 and a middle partition plate 4. The upper plate 1, the lower plate 2 and the surrounding side wall plates 3 form a polyhedron, and a middle partition plate 4 is arranged inside the polyhedron to divide the polyhedron into two cavities. Open holes 7 are reserved on the surrounding side wall plates 3 at both ends of one of the separated cavities.

[0034] like Figure 2 In the embodiment shown, a cavity component with a pipe trench includes an upper plate 1, a lower plate 2, a surrounding side wall plate 3 and a middle partition plate 4. The upper plate 1, the lower plate 2 and the surrounding side wall plates 3 form a polyhedron. A middle partition plate 4 is arranged inside the polyhedron to divide the polyhedron into two cavities. Open holes 7 are reserved on the surrounding side wall plates 3 and the upper plate 1 at both ends of one of the separated cavities.

[0035] like Figure 3In the embodiment shown, open holes 7 are reserved on the wall panels 3 at both ends of one of the cavities of the cavity component with pipe trenches, the top surface of the upper plate 1 and the connecting pipe fittings 5, and a movable cover plate 13 is provided on the hole 7. The cover plate 13 is connected to the hole 7 by hinges, tongue and groove, notch, or male and female joints. The hole 7 reserved on the upper plate 1 can also be changed into a junction box for installing various electrical equipment such as sockets. The cavity component with pipe trenches in this embodiment is suitable for cavity floors with exposed cavity components, especially for composite cavity floors. The construction steps are as follows: a. Support the formwork of frame beams, multi-rib beams and floor slabs; b. Lay out the wires on the supported formwork; c. Tie the steel bars of the frame beams and multi-rib beams; d. Place the cavity component with pipe trenches in the space enclosed by the frame beams and multi-rib beams or multi-rib beams and multi-rib beams, and connect multiple pipe trenches through the connecting pipe fittings 5; e. Pour concrete; f. Maintain and remove the formwork. The construction methods in the following embodiments are the same as above. And the above construction method is not the only construction method of this invention.

[0036] like Figure 4 In the illustrated embodiment, a cavity structure with a pipe trench has pre-opened holes 7 on the wall panels 3 at both ends of one cavity, on the upper plate 1, and on the top surface of the connecting pipe 5. A raised peripheral wall 14 extends outward from the opening of the hole 7. A removable cover 13 is mounted on the peripheral wall 14. The cover 13 is connected to the peripheral wall 14 using a hinge, tongue-and-groove, notch, or male-female joint. The pre-opened hole 7 on the upper plate 1 can also be replaced with a junction box for installing various electrical devices such as sockets. This embodiment of a cavity structure with a pipe trench is suitable for cavity floors with exposed cavity components, particularly for composite cavity floors. The construction steps are as follows: a. Set up formwork for the frame beams, multi-ribbed beams, and floor slabs; b. Lay out lines on the set formwork; c. Tie the reinforcement for the frame beams and multi-ribbed beams; d. Place the cavity components and prefabricated pipe trenches in the space enclosed by the frame beams and multi-ribbed beams, or between multi-ribbed beams, and connect the multiple pipe trenches using connecting pipes 5; e. Pour concrete; f. Curing and removing the formwork. The above construction method is not the only one of this invention.

[0037] like Figure 5 In the illustrated embodiment, the polyhedron is provided with at least two intermediate partitions 4 , which are arranged parallel to each other, and pipeline racks 21 or pipeline support plates 22 are provided on the sides of the intermediate partitions 4 .

[0038] A construction method for a hollow component with a pipe trench comprises the following steps:

[0039] Step 1: Lay out the lines on the supported formwork, position the frame beams, multi-rib beams, cavity components, and pipe trenches, and cast the base plate;

[0040] Step 2: Place the cavity components, and connect the cavity components through the pipe trench;

[0041] Step 3: Tie the steel bars of the frame beam and multi-rib beam;

[0042] Step 4: Pour concrete and leave the inspection port exposed;

[0043] Step 5: Maintenance and demolding.

[0044] Compared with existing technologies, the hollow member with a pipe trench in the present invention is simple to construct, flexible and versatile, easy to maintain, and has a wide range of applications. The hollow member with a pipe trench in the present invention can be constructed in conjunction with prefabricated floor slabs or wall panels, solving the problem of concealed pipe installation in prefabricated floor slabs or wall panels. It also solves the problem of wasted building space caused by suspending air ducts under primary and secondary beams.

[0045] The hollow member with a pipe trench in the present invention can conceal the pipe trench within the floor, making the entire floor look neater and avoiding the unsightly and cluttered wiring of traditional floor coverings. Furthermore, the present invention allows for flexible routing of wiring, and the exposed inspection port on the hollow member allows for convenient and timely inspection of the wiring within the cavity member.

[0046] The present invention is not limited to the above-described embodiments. Persons skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are deemed to be within the scope of protection of the present invention. Any matters not described in detail in this specification constitute prior art known to those skilled in the art.

Claims

1. A hollow component with a pipe trench, comprising an upper plate (1), a lower plate (2), a surrounding side wall plate (3) and at least one intermediate partition plate (4), wherein the upper plate (1), the lower plate (2) and the surrounding side wall plate (3) enclose a polyhedron, characterized in that: The middle partition (4) divides the polyhedron into at least two independent cavities, and a hole (7) is reserved on the side wall or top plate of at least one cavity; the mouth of the hole (7) is provided with a raised peripheral wall (14) and is connected to a movable cover plate (13) via a hinge to realize line maintenance; The upper plate (1) is composed of at least two prefabricated plates, at least one of which is a detachable movable plate; the lower plate (2) and the middle partition plate (4) are an integral prefabricated plate or a prefabricated spliced plate; a pipeline support plate (22) is fixed to the side of the middle partition plate (4).

2. A hollow component with a pipe trench according to claim 1, characterized in that: The cover plate (13) and the hole (7) are locked by adopting a male-female joint.

3. A hollow component with a pipe trench according to claim 1, characterized in that: The surrounding side wall panel (3) is an integral prefabricated panel or a prefabricated spliced panel.

4. A hollow component with a pipe trench according to claim 1, characterized in that: At least two adjacent side wall panels among the surrounding side wall panels (3) are integrally prefabricated component side panels (12).

5. The hollow component with a pipe trench according to claim 1, characterized in that: The shape of the mouth of the hole (7) is circular, elliptical or polygonal.

6. The hollow component with a pipe trench according to claim 1, characterized in that: The upper plate (1), the lower plate (2), the surrounding side wall plate (3) and the middle partition plate (4) are prefabricated into adjacent components in pairs, and the prefabricated components are connected by welding, hinges, glue, tooth connection, tongue and groove or notch.

7. A construction method for a hollow component with a pipe trench, applied to a hollow component with a pipe trench according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step 1: Lay out the lines on the supported formwork and position the frame beams, ribbed beams, cavity components, and pipe trenches; Step 2: placing a cavity component with pipe trenches in the space enclosed by the frame beam and the multi-rib beam or the multi-rib beam and the multi-rib beam, and connecting multiple pipe trenches through connecting pipe fittings; Step 3: Tie the frame beam and the ribbed beam reinforcement; Step 4: Pour concrete while leaving all holes exposed; Step 5: Maintenance and demolding.