Decorative column structure with hidden drain pipe and building

Abstract

The utility model discloses a decorative column structure with hidden drain pipe and building, the decorative column structure with hidden drain pipe is provided with stand column, decorative component and drain pipe, the decorative component comprises decorative layer and support skeleton, the decorative layer covers the periphery of stand column through the support skeleton, and along the circumference of stand column, the decorative layer covers the periphery of stand column through the support skeleton. A cavity is formed between the decorative layer and the peripheral face of the stand column, the supporting framework is located in the cavity, and the drainage pipe is also arranged in the cavity. According to the decorative column structure with the hidden drain pipe and the building, the cavity is formed between the stand column and the decorative layer and can be used for arranging the drain pipe, the drain pipe can be prevented from being exposed, the problem of space occupation caused by exposure of the drain pipe is solved, and therefore the appearance integrity design of the building is facilitated.

Description

Technical Field

[0001] The present application relates to the field of building technology, and particularly relates to an ornamental column structure with a hidden drain pipe and a building. Background Art

[0002] In recent years, with the improvement of building aesthetics and functional requirements, the design requirements for the display areas such as the main entrance and the corridor of newly built landmark public buildings have become increasingly strict, requiring the avoidance of exposed wall-mounted vertical pipes in the areas accessible to people. However, in the face of the floor drains arranged on the upper layer, especially in the open-air corridor area, due to the need for rapid drainage, it is necessary to set up rainwater vertical pipes along the structural columns from top to bottom to achieve the diversion of water to the floor drains. This method not only occupies space and affects the appearance, but also is not conducive to functional layout. Utility Model Content

[0003] The embodiment of the present application discloses an ornamental column structure with a hidden drain pipe and a building. The structure incorporates the design of a hidden drain pipe, solves the problems of the drain pipe occupying space and affecting the appearance, and improves the flatness and space utilization efficiency of the overall building.

[0004] To achieve the above object, in a first aspect, the embodiment of the present application discloses an ornamental column structure with a hidden drain pipe, including:

[0005] A column;

[0006] An ornamental component, the ornamental component includes an ornamental layer and a support skeleton. The ornamental layer is wrapped around the outer periphery of the column through the support skeleton, and a cavity is formed between the ornamental layer and the outer peripheral surface of the column along the circumferential direction of the column. The support skeleton is located in the cavity; and

[0007] A drain pipe, the drain pipe is arranged in the cavity.

[0008] As an optional implementation manner, the support skeleton includes a skeleton main body and a plurality of support parts arranged on the skeleton main body. The skeleton main body is arranged around the outer periphery of the column, and the plurality of support parts are arranged around the center of the column. The support parts are connected to the outer periphery of the column, and the plurality of support parts divide the cavity into a plurality of sub-cavities. At least one of the sub-cavities is provided with the drain pipe.

[0009] As an optional implementation manner, the drain pipe is arranged in each of the sub-cavities, and the pipe wall of the drain pipe is attached to the cavity wall of the sub-cavity.

[0010] As an optional implementation manner, the ornamental layer is further provided with a plurality of dividing seams, each of the dividing seams corresponds to each of the support parts respectively, and the dividing seams communicate with the cavity.

[0011] As an alternative embodiment, the decorative layer is detachably connected to the support skeleton.

[0012] As an alternative embodiment, the decorative layer is provided with slits, the slits communicate with the cavity, and the slits are configured to divide the decorative layer into multiple laminates;

[0013] The laminate is provided with a first clamping portion corresponding to the slit, the support skeleton is provided with a second clamping portion corresponding to the slit, and the second clamping portion is cooperatively connected with the first clamping portion to detachably connect the decorative layer to the support skeleton.

[0014] In a second aspect, an embodiment of the present application discloses a building, which includes:

[0015] A structural floor slab, the structural floor slab is provided with a first floor drain;

[0016] A roof layer, the roof layer is arranged above the structural floor slab and forms a corridor space with the structural floor slab, and a second floor drain is provided on the roof layer;

[0017] A ground floor, the ground floor is provided with a drainage floor drain; and

[0018] A decorative column structure with a hidden drain pipe as described in any of the embodiments of the first aspect above, the column extends from the ground to the roof layer, and the drain pipe communicates with the first floor drain, the second floor drain and the drainage floor drain.

[0019] As an alternative embodiment, the building further includes a ceiling decorative board, the ceiling decorative board is arranged on the structural floor slab, and at least a part of the drain pipe is hidden in the ceiling decorative board.

[0020] As an alternative embodiment, the building further includes an outdoor ground surface and a ground backfill layer, the ground backfill layer is located below the outdoor ground surface, and a pipe network is arranged in the ground backfill layer; the drain pipe extends below the outdoor ground surface and is connected to the pipe network in the ground backfill layer.

[0021] As an alternative embodiment, a corridor space is also formed between the ground floor and the structural floor slab, and the drainage floor drain is located outside the corridor space.

[0022] Compared with the related art, the embodiments of the present application at least include the following beneficial effects:

[0023] The embodiments of the present application disclose an ornamental column structure and a building with a concealed drain pipe. The structure includes a column, a decorative component, and a drain pipe. The decorative component includes a decorative layer and a support skeleton. The decorative layer is wrapped around the outer periphery of the column through the support skeleton, and a cavity is formed between the decorative layer and the outer peripheral surface of the column. The support skeleton is located in the cavity, and the drain pipe is built into the cavity. The ornamental column structure and the building with a concealed drain pipe disclosed in the present application form a cavity between the column and the decorative layer, and utilize the design that the drain pipe can be built into the cavity to avoid the exposure of the drain pipe, solve the problem of space occupation caused by the exposure of the drain pipe, and is beneficial to improving the flatness design of the building appearance. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0025] Figure 1 Schematic diagram of a building with an ornamental column structure with a concealed drain pipe provided by an embodiment of the present application;

[0026] Figure 2 For Figure 1 Partial enlarged view of area M in

[0027] Figure 3 For Figure 1 Partial enlarged view of area L in

[0028] Figure 4 For Figure 1 Partial enlarged view of area N in

[0029] Figure 5 For Figure 1 Cross-sectional schematic view along the A-A direction in

[0030] Description of the reference numerals:

[0031] Building main body, 100; Structural floor slab, 101; Roof layer, 102; Corridor space, 103; Ground floor, 104; First floor drain, 1011; Second floor drain, 1021; Drain floor drain, 1041; Ceiling decorative board, 105; Outdoor ground level, 1042; Ground backfill layer, 1043; Pipe network, 10431; Ornamental column structure with a concealed drain pipe, 200; Column, 201; Decorative component, 202; Drain pipe, 203; Pipe wall, 2031; Cavity, 204; Decorative layer, 2021; Support skeleton, 2022; Skeleton main body, 2022a; Support part, 2022b; Sub-cavity, 2041; Expansion joint, 205. Detailed implementation manners

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0033] In the present utility model, the orientation or positional relationship indicated by terms such as "upper", "lower", "top", "bottom", "inner", "outer", "horizontal", "longitudinal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. These terms are mainly used to better describe the present utility model and its embodiments, and are not used to limit that the indicated device, element or component must have a specific orientation, or be constructed and operated in a specific orientation.

[0034] Moreover, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present utility model can be understood according to specific circumstances.

[0035] In addition, the terms "arrange", "be provided with", "connect" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there is internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] In addition, terms such as "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, the meaning of "a plurality" is two or more.

[0037] In the related art, for the floor drain provided on the upper layer, especially in the open corridor area, due to the need for rapid drainage, it is necessary to set up a rainwater riser from top to bottom along the structural column to achieve the diversion of water to the floor drain. This method not only occupies space and affects the appearance, but also is not conducive to functional layout.

[0038] Based on this, the embodiments of the present application disclose an ornamental column structure with a concealed drain pipe. By forming a cavity between the column and the decorative layer and internally installing the drain pipe, the problem of space occupation caused by the exposed drain pipe is solved, and the flatness of the building is improved.

[0039] The embodiments of the present application also disclose a building with an ornamental column structure with a concealed drain pipe. A first floor drain is provided on the structural floor slab, a second floor drain is provided on the roof layer, and a drainage floor drain is provided on the ground floor. The drain pipe is connected to the first floor drain, the second floor drain, and the drainage floor drain to ensure that water can be quickly discharged.

[0040] Next, the technical solutions of the present utility model will be further described in conjunction with the embodiments and the drawings.

[0041] Please refer to Figures 1 to 5 , the embodiments of the present application disclose an ornamental column structure with a concealed drain pipe and a building. The ornamental column structure with a concealed drain pipe is applied to a building. The building includes a building main body 100 and an ornamental column structure 200 with a concealed drain pipe. The building main body 100 includes a structural floor slab 101, a roof layer 102, and a ground floor 104. The structural floor slab 101 is provided with a first floor drain 1011. The roof layer 102 is arranged above the structural floor slab 101 and forms a corridor space 103 with the structural floor slab 101. The roof layer 102 is provided with a second floor drain 1021. The ground floor 104 is provided with a drainage floor drain 1041.

[0042] It can be understood that the structural floor slab 101 refers to a horizontal structural member for the roof or the ground, which can divide the building into different spaces and has the functions of support and load-bearing. The structural floor slab 101 can be made of steel bars and concrete. Its structural forms are diverse, including but not limited to slab type, beam-slab type, flat-slab type, etc., and no specific limitation is made here.

[0043] The corridor space 103 refers to a corridor or passage connecting two or more buildings. Exemplarily, the corridor space 103 can be used as a leisure space, an emergency evacuation passage, etc.

[0044] A floor drain refers to a connecting drainage appliance between the surface layer and the drain pipe, which can quickly drain the water on the surface layer and keep the drain pipe unobstructed. Optionally, the floor drain can be a metal floor drain or an alloy floor drain. When the floor drain is an alloy floor drain, it can be an aluminum alloy floor drain or a stainless steel floor drain, which not only saves the price cost of the floor drain, but also ensures the stability of use due to its strong corrosion resistance.

[0045] The decorative column structure of the concealed drain pipe can be used to support the structural floor slab 101 and the roof layer 102. Optionally, the decorative column structure 200 with a concealed drain pipe includes a column 201, a decorative component 202, and a drain pipe 203. The column 201 located in the decorative column structure 200 with a concealed drain pipe extends from the ground floor 104 to the roof layer 102, and the drain pipe 203 communicates with the first floor drain 1011, the second floor drain 1021, and the floor drain 1041, ensuring that water can be discharged in a timely and rapid manner.

[0046] Optionally, the building main body 100 further includes a ceiling decorative panel 105, and the ceiling decorative panel 105 is arranged on the structural floor slab 101, and at least a part of the drain pipe 203 is concealed in the ceiling decorative panel 105. The exposed part of the drain pipe 203 is further hidden by the ceiling decorative panel 105, making the vision of the whole building more flat.

[0047] Optionally, the ceiling decorative panel 105 can be a decorative panel with characteristics such as light weight, high strength, corrosion resistance, waterproof and moisture-proof, such as a metal or alloy decorative panel, a plastic decorative panel, etc., which are not specifically limited herein.

[0048] The ground floor 104 includes an outdoor ground surface 1042 and a ground backfill layer 1043. The ground backfill layer 1043 is located below the outdoor ground surface 1042, and a pipe network 10431 is arranged in the ground backfill layer 1043. The drain pipe 203 extends below the outdoor ground surface 1042 and is connected to the pipe network 10431 in the ground backfill layer 1043. Through the settings of the outdoor ground surface 1042, the ground backfill layer 1043, and the pipe network 10431, the drainage function of the building is further improved. Among them, the ground backfill layer 1043 provides a laying environment for the pipe network 10431, ensuring that the drain pipe 203 can extend below the outdoor ground surface 1042 and be connected to the pipe network 10431.

[0049] In some possible implementation manners, the outdoor ground surface 1042 refers to the laying layer of the external ground of the building, which has the functions of anti-slip and drainage. Laying the outdoor ground surface 1042 makes the surrounding environment of the building cleaner and more beautiful, and improves the overall visual effect of the building.

[0050] There are various choices for the material of the outdoor ground surface 1042. Optionally, the material of the outdoor ground surface 1042 can be, for example, concrete or asphalt, or it can also be an anti-slip material such as anti-slip bricks, etc., which are not specifically limited herein.

[0051] In some possible implementation manners, the ground backfill layer 1043 refers to the part where the space left after excavation outside or inside the building is refilled. By setting the ground backfill layer 1043, the local pressure from the ground can be effectively dispersed, and damage to the pipes laid underground can be prevented.

[0052] Optionally, the material of the ground backfill layer 1043 should have good compaction and stability. The material of the ground backfill layer 1043 can be cement, sand, pea gravel, etc., and no specific limitation is made here.

[0053] In some possible embodiments, the pipe network 10431 refers to a pipeline network composed of a series of interconnected drainage pipes for collecting and discharging wastewater. The drainage pipes in the pipe network 10431 can be made of corrosion-resistant and wear-resistant materials, such as reinforced concrete pipes, plastic pipes, etc.

[0054] In some embodiments, a corridor space 103 is also formed between the ground layer 104 and the structural floor slab 101, and the drainage floor drain 1041 is located outside the corridor space 103. Constructing the corridor space 103 between the ground layer 104 and the structural floor slab 101 enriches the spatial hierarchy and circulation inside the building. Also, by setting the drainage floor drain 1041 outside the corridor space 103, the risk of water accumulation in the corridor area is avoided.

[0055] The following will detail the specific structure of the decorative column structure 200 with a hidden drainage pipe of the present application. Please refer to Figure 5 , the decorative column structure 200 with a hidden drainage pipe includes a column 201, a decorative component 202, and a drainage pipe 203. The decorative component 202 includes a decorative layer 2021 and a support skeleton 2022. The decorative layer 2021 is wrapped around the outer periphery of the column 201 through the support skeleton 2022. Along the circumferential direction of the column 201, a cavity 204 is formed between the decorative layer 2021 and the outer peripheral surface of the column 201. The support skeleton 2022 is located in the cavity 204, and the drainage pipe 203 is arranged in the cavity 204. Through the design of forming the cavity 204 between the column 201 and the decorative layer 2021 and internally arranging the drainage pipe 203, the problem of space occupation caused by the exposure of the drainage pipe 203 is solved, and the flatness of the building is improved.

[0056] Optionally, the decorative layer 2021 can be made of metal, alloy, or polyvinyl chloride (PVC). For example, when the decorative layer 2021 is made of alloy, the decorative layer 2021 can be made of aluminum alloy or stainless steel, so that the decorative layer 2021 has good structural strength. When the decorative layer 2021 is made of PVC, because the PVC material is relatively light and has the characteristics of waterproof and moisture-proof, it is beneficial to reduce the production cost of the decorative layer 2021 and can effectively resist the erosion of moisture and humidity, ensuring the stability of the structure of the decorative layer 2021.

[0057] Optionally, the support framework 2022 can be made of metal, alloy, or wood. When made of metal or alloy, its good corrosion resistance can extend the service life of the support framework 2022. When made of wood, the wood has good plasticity, allowing the support framework 2022 to be cut and processed to meet different design requirements.

[0058] Optionally, the drain pipe 203 can be, for example, a metal drain pipe, a concrete drain pipe, or a plastic drain pipe. When using a metal drain pipe, it can be an aluminum pipe, a copper pipe, a stainless steel pipe, etc., which has high durability; when using a concrete drain pipe, it can be a reinforced concrete pipe, which has good structural strength; when using a plastic drain pipe, due to its light weight and easy installation, etc., the cost of the drain pipe 203 is reduced.

[0059] In some embodiments, the support framework 2022 includes a framework main body 2022a and a plurality of support portions 2022b provided on the framework main body 2022a. The framework main body 2022a is disposed around the outer periphery of the column 201, and the plurality of support portions 2022b are arranged around the center of the column 201. The support portions 2022b are connected to the outer periphery of the column 201, and the plurality of support portions 2022b divide the cavity 204 into a plurality of sub-cavities 204. At least one sub-cavity 204 is provided with a drain pipe 203. By combining the framework main body 2022a disposed around the outer periphery of the column 201 with the plurality of support portions 2022b arranged around the center of the column 201 to form the support framework 2022 together, the stability and load-bearing capacity of the support framework 2022 are enhanced. At the same time, the cavity 204 can also be divided into a plurality of sub-cavities 2041 by the support portions 2022b, so that the drain pipe 203 can be flexibly arranged in at least one sub-cavity 2041, realizing the efficient utilization of space.

[0060] Optionally, the number of sub-cavities 2041 can be two, three, four, or more, and is designed according to actual needs without specific limitation here.

[0061] Since the plurality of support portions 2022b divide the cavity 204 into a plurality of sub-cavities 2041, the number of support portions 2022b is the same as the number of sub-cavities 2041, and a sub-cavity 2041 can be formed between any two adjacent support portions 2022b.

[0062] Optionally, the plurality of support portions 2022b located on the framework main body 2022a can be irregularly distributed. At this time, the sizes and shapes of the plurality of sub-cavities 2041 formed by dividing the plurality of support portions 2022b are different. Of course, the plurality of support portions 2022b can also divide the cavity 204 into a plurality of sub-cavities 2041 with the same size or shape.

[0063] In some embodiments, a drain pipe 203 is provided in each sub-cavity 2041, and the pipe wall 2031 of the drain pipe 203 is attached to the cavity wall of the sub-cavity 2041. By providing the drain pipe 203 in each sub-cavity 2041 and attaching the pipe wall 2031 of the drain pipe 203 to the cavity wall of the sub-cavity 2041, the sealing performance of the structure is enhanced, so that the accumulated water generated at any position can be quickly discharged through the drain pipe 203.

[0064] In addition, since the pipe wall 2031 of the drain pipe 203 is attached to the cavity wall of the sub-cavity 2041, the shape and size of the drain pipe 203 depend on the sub-cavity 2041 in which it is placed. At the same time, since the shapes and sizes of the respective sub-cavities 2041 are different, the shapes and sizes of the respective drain pipes 203 are also different, so as to meet different drainage requirements. For example, when the drainage requirement is large at some positions, a larger-volume sub-cavity 2041 can be provided, and thus a larger-volume drain pipe 203 can be provided to achieve rapid drainage. While at some positions where the drainage requirement is small, a small-volume sub-cavity 2041 can be provided, and then a small-volume drain pipe 203 can be provided.

[0065] In some embodiments, the decorative layer 2021 is further provided with a plurality of slits 205, each slit 205 corresponding to each support portion 2022b respectively, and the slit 205 communicates with the cavity 204. By presetting the slit 205, when it is necessary to repair the drain pipe 203 or the support skeleton 2022, the maintenance personnel can enter the interior of the cavity 204 along the slit 205, simplifying the maintenance process and reducing the maintenance cost.

[0066] As an alternative embodiment, in the case where it is necessary to perform maintenance work on the drain pipe 203 or the support skeleton 2022, the preset slit 205 of the decorative layer 2021 is set to the position of the opening.

[0067] The number of the pre-slits 205 of the decorative plate can be set according to the water passing effect requirements of the drain pipe 203, and no specific limitation is made here.

[0068] In some embodiments, the decorative layer 2021 is detachably connected to the support skeleton 2022. The decorative layer 2021 is fixed to the support skeleton 2022 in a detachable connection manner. When the decorative layer 2021 or the support skeleton 2022 needs to be repaired, the decorative layer 2021 can be easily detached from the support skeleton 2022, facilitating the repair.

[0069] In some embodiments, the detachable connection manner between the decorative layer 2021 and the support skeleton 2022 may include, but is not limited to, snap connection or bolt connection, etc. Taking snap connection as an example, the slit 205 is configured to divide the decorative layer 2021 into multiple laminates; the laminate is provided with a first clamping portion corresponding to the slit 205, and the support skeleton 2022 is provided with a second clamping portion corresponding to the slit 205. The second clamping portion is connected in cooperation with the first clamping portion to detachably connect the decorative layer 2021 and the support skeleton 2022. By dividing the decorative layer 2021 into multiple laminates through the slit 205, the first clamping portion provided at each laminate corresponding to the slit 205 closely cooperates with the corresponding second clamping portion on the support skeleton 2022, realizing the detachable connection between the decorative layer 2021 and the support skeleton 2022. At the same time, this snap connection method also ensures the stability of the installation of the decorative layer 2021.

[0070] The first clamping portion may be a clamping structure with a concave design. Optionally, the first clamping portion may be, for example, a mortise or a groove, and its material may be the same as that of the laminate of the decorative layer 2021. Thus, the first clamping portion may be integrally provided with the laminate of the decorative layer 2021. Alternatively, the material of the first clamping portion may also be different from that of the laminate of the decorative layer 2021, and the first clamping portion may be provided on the decorative layer by means of, for example, bonding or screw connection. This embodiment does not make specific limitations on this.

[0071] The second clamping portion may be a clamping structure with a convex design. Optionally, the second clamping portion may be a tenon or a bump, and its material may be the same as that of the support skeleton 2022. Thus, the second clamping portion may be integrally provided with the support skeleton. Alternatively, the material of the second clamping portion may also be different from that of the support skeleton 2022, and the second clamping portion may be provided on the support skeleton 2022 by means of, for example, bonding or screw connection. This embodiment does not make specific limitations on this.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A decorative column structure with a hidden drain pipe, characterized in that, Comprising: A column; A decorative component, the decorative component includes a decorative layer and a support skeleton, the decorative layer is wrapped around the outer periphery of the column through the support skeleton, and a cavity is formed between the decorative layer and the outer peripheral surface of the column along the circumferential direction of the column, and the support skeleton is located in the cavity; and A drain pipe, the drain pipe is arranged in the cavity.

2. The decorative column structure with a hidden drain pipe according to claim 1, characterized in that, The support skeleton includes a skeleton main body and a plurality of support parts arranged on the skeleton main body, the skeleton main body is arranged around the outer periphery of the column, the plurality of support parts are arranged around the center of the column, the support parts are connected to the outer periphery of the column, and the plurality of support parts divide the cavity into a plurality of sub-cavities, and at least one of the sub-cavities is provided with the drain pipe.

3. The decorative column structure with a hidden drain pipe according to claim 2, characterized in that, The drain pipe is arranged in each of the sub-cavities, and the pipe wall of the drain pipe is attached to the cavity wall of the sub-cavity.

4. The decorative column structure with a hidden drain pipe according to claim 3, characterized in that The decorative layer is also provided with a plurality of slits, each of the slits corresponds to each of the support parts respectively, and the slits communicate with the cavity.

5. The decorative column structure with a hidden drain pipe according to claim 1, characterized in that, The decorative layer is detachably connected to the support skeleton.

6. The decorative column structure with a hidden drain pipe according to claim 5, characterized in that The decorative layer is provided with slits, the slits communicate with the cavity, and the slits are configured to divide the decorative layer into multiple laminates; The laminate is provided with a first clamping part corresponding to the slit, the support skeleton is provided with a second clamping part corresponding to the slit, and the second clamping part is cooperatively connected with the first clamping part to detachably connect the decorative layer to the support skeleton.

7. A building, characterized in that, The building includes: A structural floor slab, the structural floor slab is provided with a first floor drain; A roof layer, the roof layer is arranged above the structural floor slab and forms a corridor space with the structural floor slab, and a second floor drain is arranged on the roof layer; A ground floor, the ground floor is provided with a drainage floor drain; and The decorative column structure with a hidden drain pipe according to any one of claims 1-6, the column extends from the ground floor to the roof layer, and the drain pipe is communicated with the first floor drain, the second floor drain and the drainage floor drain.

8. The building according to claim 7, characterized in that, The building further includes a ceiling decorative board, the ceiling decorative board is arranged on the structural floor slab, and at least part of the drain pipe is hidden in the ceiling decorative board.

9. The building according to claim 7, characterized in that, The ground floor includes an outdoor ground surface and a ground backfill layer, the ground backfill layer is located below the outdoor ground surface, and a pipe network is arranged in the ground backfill layer; the drain pipe extends below the outdoor ground surface and is connected to the pipe network in the ground backfill layer.

10. The building according to claim 7, characterized in that, A corridor space is also formed between the ground floor and the structural floor slab, and the drainage floor drain is located outside the corridor space.

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