Novel hollow floor assembly box

Abstract

The utility model discloses a novel hollow floor assembly box in the field of building construction, which structurally comprises a cover plate, a middle frame and a bottom plate, the cover plate and the middle frame are sequentially mounted above the bottom plate, a steel bar frame is embedded in the bottom plate, the bottom plate is integrally formed in a pouring manner, a plurality of tooth grooves are arranged at the lower end of the bottom plate, and a first mounting table is arranged at the upper end of the bottom plate. A first placement area is arranged in the middle of the upper end of the bottom plate, a drainage hole is formed in the middle of the bottom plate, the multiple tooth grooves are distributed at equal intervals and distributed in the outer side edge of the lower end of the bottom plate, and the tooth grooves of the trapezoidal structure arranged on the bottom plate further improve the use performance of the bottom plate in the high-strength working environment; the design of a plurality of inclined planes in the tooth grooves can facilitate early-stage unfolding and demolding work of the bottom plate, the forming rate of the bottom plate is improved, a plurality of mounting tables arranged in the cover plate, the middle frame and the bottom plate can be rapidly unfolded for assembly work, and the assembly efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of building construction, and particularly relates to a new type of hollow floor assembly box. Background Art

[0002] The hollow floor assembly box is widely used in the building floor support structure, and usually refers to a cast-in-place reinforced concrete hollow floor, which is assembled by several prefabricated parts. The hollow floor structure has various advantages, including light self-weight, large span, and meeting the requirements of multi-high-rise buildings with large column grids, large bays, and large spaces.

[0003] Regarding the current hollow floor assembly box, the present application has formulated corresponding solutions for the following existing problems:

[0004] At present, the tooth grooves provided on the bottom plate of the hollow floor assembly box adopt a relatively traditional structural design, and its connection effect during lateral force application is relatively average. During the early forming process, due to the traditional vertical design of the tooth grooves on the bottom plate, the demolding process is relatively difficult, resulting in the bottom plate being easily damaged during the demolding process, affecting the forming effect of the tooth grooves. The traditional assembly box usually uses a simple platform as the drainage surface, and the drainage efficiency is low, and water accumulation is likely to occur. Content of the Utility Model

[0005] The main purpose of the utility model is to overcome the deficiencies of the prior art and provide a new type of hollow floor assembly box.

[0006] The utility model is realized by adopting the following technical scheme: A new type of hollow floor assembly box, whose structure includes a cover plate, an intermediate frame, and a bottom plate. The cover plate and the intermediate frame are sequentially installed above the bottom plate. A steel bar frame is embedded in the bottom plate, and the bottom plate is integrally formed by pouring;

[0007] A plurality of tooth grooves are provided at the lower end of the bottom plate. A first installation platform is provided at the upper end of the bottom plate. A first placement area is provided in the middle of the upper end of the bottom plate. A drainage hole is provided in the middle of the bottom plate;

[0008] The plurality of tooth grooves are equidistantly distributed, and the plurality of tooth grooves are distributed on the outer side edge of the lower end of the bottom plate.

[0009] Further, the end face of the tooth groove is in a trapezoidal structure, and an inclined surface is provided on the inner bottom surface of the tooth groove.

[0010] Further, fillets are provided at the transition sections of a plurality of inclined surfaces inside the tooth groove.

[0011] Further, the outer side surfaces around the bottom plate are rough surfaces.

[0012] Further, a third installation platform is provided at the outer side edge of the lower end of the cover plate, and a second placement area is provided in the middle of the lower end of the cover plate.

[0013] Further, inclined platforms are provided inside both the second placement area and the first placement area.

[0014] Further, second mounting platforms are provided on the inner sides of the upper and lower ends of the middle frame.

[0015] Further, the steel bar frame is composed of steel bars arranged in a horizontal and vertical cross pattern. The two ends of the steel bars are bent upward. The steel bars provided at the outer end of the steel bar frame are bent upward and arranged in the bottom plate. The steel bars provided in the steel bar frame are located in the middle of a number of spaced tooth grooves.

[0016] Further, the drain holes are in the shape of square holes.

[0017] Beneficial effects: Compared with the prior art, the beneficial effects of the present utility model are as follows: The trapezoidal tooth grooves provided on the bottom plate of the present utility model further increase the service performance of the bottom plate in a high-strength working environment. The design of a number of inclined surfaces inside the tooth grooves facilitates the early unfolding and demolding of the bottom plate, reduces the damage suffered by the bottom plate during the demolding process, improves the forming rate of the bottom plate. The number of mounting platforms provided in the cover plate, the middle frame, and the bottom plate can quickly carry out the assembly work, improve the assembly efficiency. The cooperation between the first placement area and the drain holes provided on the bottom plate facilitates the rapid drainage inside the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, purposes, and advantages of the present utility model will become more obvious:

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0020] Figure 2 It is a three-dimensional separated structure schematic diagram of the bottom plate of the present utility model.

[0021] Figure 3 It is a front view of the bottom plate of the present utility model.

[0022] Figure 4 It is a schematic diagram of the internal structure of the bottom plate of the present utility model.

[0023] Figure 5 It is a partial sectional structure schematic diagram of the bottom plate of the present utility model.

[0024] Figure 6 It is a schematic diagram of the internal structure of the cover plate of the present utility model.

[0025] Figure 7 It is a schematic diagram of the internal structure of the middle frame of the present utility model.

[0026] In the figure: cover plate 1, middle frame 2, bottom plate 3, steel bar frame 4, tooth groove 31, first mounting table 32, first placement area 33, drain hole 34, trapezoidal structure 311, inclined surface 312, rounded corner 313, third mounting table 11, second placement area 12, second mounting table 21. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figure 1-7 , the present invention provides a new type of hollow floor assembly box, the structure of which includes a cover plate 1, a middle frame 2, and a bottom plate 3. The cover plate 1 and the middle frame 2 are sequentially installed above the bottom plate 3. A steel bar frame 4 is embedded in the bottom plate 3, and the bottom plate 3 is integrally formed by pouring.

[0029] A plurality of tooth grooves 31 are provided at the lower end of the bottom plate 3. A first mounting table 32 is provided at the upper end of the bottom plate 3. A first placement area 33 is provided in the middle of the upper end of the bottom plate 3. A drain hole 34 is provided in the middle of the bottom plate 3. After the cover plate 1, the middle frame 2 and the bottom plate 3 are assembled into a box, the drain hole 34 can drain the accumulated water inside the box.

[0030] A plurality of the tooth grooves 31 are equidistantly distributed, and a plurality of the tooth grooves 31 are distributed on the outer side edge of the lower end of the bottom plate 3.

[0031] Preferably, the end face of the tooth groove 31 is in a trapezoidal structure 311, and an inclined surface 312 is provided on the inner bottom surface of the tooth groove 31. The inclined surface 312 can assist the tooth groove 31 to increase the contact area with the concrete, improve the stability of the subsequent fixing work of the bottom plate 3. The tooth groove 31 can improve the demolding efficiency through the design of the inclined surface 312 inside the trapezoidal structure 311, reduce the demolding difficulty of the bottom plate 3 after casting and forming, and can increase the contact area with the concrete, and at the same time increase the biting effect between the new and old concretes, and improve the ability of the bottom plate 3 to resist horizontal shear force.

[0032] Preferably, rounded corners 313 are provided at the transition sections of a plurality of inclined surfaces 312 inside the tooth groove 31. The rounded corners 313 can facilitate the demolding work of the backing plate during the forming work, and can reduce the wear degree of the corners during the demolding process.

[0033] Preferably, the outer side surfaces of the four sides of the bottom plate 3 are rough surfaces. The design of the rough surfaces can increase the contact area between the bottom plate 3 and the concrete during the later cement pouring work, thereby increasing the stability of the fixing work of the bottom plate 3.

[0034] Preferably, a third mounting platform 11 is provided on the outer side edge of the lower end of the cover plate 1, and a second placement area 12 is provided in the middle of the lower end of the cover plate 1.

[0035] Preferably, inclined platforms are provided inside both the second placement area 12 and the first placement area 33, which is convenient for the subsequent cooperation work of unfolding parts. At the same time, the inclined platforms are conducive to the collection of accumulated water inside the box, facilitating the drainage of the accumulated water. A number of rounded corners 313 are provided in both the second placement area 12 and the first placement area 33.

[0036] Preferably, second mounting platforms 21 are provided on the inner sides of the upper and lower ends of the middle frame 2. The middle frame 2 is used to support the bottom plate 3 and the cover plate 1. Through the cooperation of the second mounting platforms 21 distributed up and down with the first mounting platform 32 and the second mounting platform 21 steps respectively, it plays a role in positioning and supporting the assembly work of the cover plate 1, the middle frame 2, and the bottom plate 3, facilitating the subsequent assembly work.

[0037] Preferably, the steel bar frame 4 is composed of steel bars arranged in a horizontal and vertical cross pattern. The two ends of the steel bars are bent upward. The steel bars provided at the outer end of the steel bar frame 4 are bent upward and arranged in the bottom plate 3. The steel bars provided in the steel bar frame 4 are located in the middle of a number of spaced tooth grooves 31.

[0038] Preferably, the drain hole 34 is in the shape of a square hole.

[0039] The working principle of a new type of hollow floor assembly box of the present invention:

[0040] When the new type of hollow floor assembly box is in use, the bottom plate is placed on the ground according to the usage requirements. Subsequently, the middle frame is assembled with the first mounting platform provided on the bottom plate through the second mounting platform, so that the middle frame is installed above the bottom plate. Subsequently, the cover plate is assembled with the second mounting platform provided on the middle frame through the third mounting platform, so that the cover plate is installed above the middle frame. When the cover plate, the middle frame, and the bottom plate are assembled together, they form a hollow floor assembly box.

[0041] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A new type of hollow floor assembly box, which includes a cover plate, an intermediate frame, and a bottom plate, and is characterized in that: The cover plate and the middle frame are sequentially mounted on the bottom plate, a steel bar frame is embedded in the bottom plate, and the bottom plate is integrally formed by casting; The bottom end of the bottom plate is provided with a plurality of tooth grooves, the upper end of the bottom plate is provided with a first mounting platform, the middle part of the upper end of the bottom plate is provided with a first placement area, and the middle part of the bottom plate is provided with a drainage hole; The plurality of tooth grooves are distributed at equal distances, and the plurality of tooth grooves are distributed on the outer side of the lower end of the bottom plate.

2. A novel hollow floor assembly box according to claim 1, characterized in that: The end surface of the tooth groove is a trapezoidal structure, and the inner bottom surface of the tooth groove is provided with an inclined surface.

3. According to claim 1, a new type of hollow floor assembly box is characterized in that: A plurality of inclined surface transition sections inside the tooth groove are all provided with rounded corners.

4. The novel hollow floor assembly box according to claim 1 is characterized in that: The outer side surfaces around the bottom plate are rough surfaces.

5. The novel hollow floor assembly box according to claim 1 is characterized in that: A third mounting platform is provided on the outer side of the lower end of the cover plate, and a second placement area is provided in the middle of the lower end of the cover plate.

6. A new type of hollow floor assembly box according to claim 5, characterized in that: Inclined platforms are provided inside the second placement area and the first placement area.

7. The novel hollow floor assembly box according to claim 1 is characterized in that: A second mounting platform is provided inside the upper and lower ends of the middle frame.

8. The novel hollow floor assembly box according to claim 1 is characterized in that: The steel bar frame is composed of steel bars arranged crosswise in a horizontal and vertical manner, both ends of the steel bars are bent upwards, the steel bars arranged at the outer ends of the steel bar frame are bent upwards and arranged in the bottom plate, and the steel bars arranged in the steel bar frame are located in the middle of a plurality of spaced tooth grooves.

9. The novel hollow floor assembly box according to claim 1 is characterized in that: The drainage hole is in a square hole shape.

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