A demountable floor for sports venues
By introducing magnetic components and an improved semi-circular tongue and groove structure into the sports venue floor, the problem of floor gaps during strenuous exercise has been solved, achieving floor stability and quick assembly/disassembly, making it suitable for various types of sports venues.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI MEIKAI FLOOR IND CO LTD
- Filing Date
- 2025-08-27
- Publication Date
- 2026-08-04
AI Technical Summary
Existing sports venue flooring is prone to gaps during high-intensity exercise, and metal hooks are easily deformed due to excessive stress.
It adopts a magnetic closure component and an improved semi-circular tenon and groove structure. The magnetic closure component includes a switchable magnetic base and an iron adsorption component. The semi-circular tenon and groove increases the force points. Adjacent floor units are connected by magnetic attraction and semi-circular tenon and groove insertion, combined with the design of a combined keel layer and shock-absorbing layer.
It effectively prevents floor gaps, and the floor can quickly return to its original shape after being subjected to force, improving the stability and resistance to deformation of the floor, making it suitable for various sports venues.
Smart Images

Figure CN224591733U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of flooring, and in particular to a removable flooring for sports venues. Background Technology
[0002] In recent years, with the improvement of people's living standards, sports and fitness have become important recreational activities for maintaining physical health and after work. To facilitate quick installation and disassembly, sports venues often use wooden modular flooring, which is composed of multiple floor units spliced together.
[0003] The existing removable floor unit includes a panel, a support plate, a joist layer, and a shock-absorbing layer arranged from top to bottom. Adjacent floor units are connected by a snap-fit assembly, which includes two locking rollers and a metal hook with multiple hook-shaped parts. The two locking rollers are respectively located in the corresponding corner areas of the bottom surface of the adjacent support plate. The hook-shaped parts of the metal hooks are detachably engaged with the locking rollers, thereby realizing the connection between adjacent floor units.
[0004] However, during high-intensity sports activities, the existing removable flooring will be subjected to strong impact forces due to the collisions and struggles of athletes. The force at the connection between adjacent floor units is entirely borne by the metal hooks. When the metal hooks are subjected to excessive force, they will deform, which can easily lead to gaps in the flooring.
[0005] Therefore, we need to design a removable floor for sports venues to solve the above problems. Utility Model Content
[0006] Existing removable flooring is prone to cracking under strong impacts. The purpose of this invention is to solve this problem by providing a removable flooring design for sports venues.
[0007] According to one aspect of the present invention, a removable floor for sports venues is provided, which is composed of multiple floor units spliced together. Each floor unit includes a panel, a support plate, a combined joist layer and a shock-absorbing layer arranged sequentially from top to bottom. The panel is provided with a locking structure on all four sides. The support plate is provided with a semi-circular tenon and a semi-circular groove that matches the semi-circular tenon at both ends. Adjacent floor units are connected by a magnetic component.
[0008] The magnetic attraction assembly includes a switchable magnetic base and an iron adsorption component. The switchable magnetic base is located on one side edge of the bottom surface of the support plate. The iron adsorption component is an L-shaped sheet structure consisting of an integrally formed fixing part and an adsorption part. The fixing part is located on the other side edge of the bottom surface of the support plate. The switchable magnetic base is magnetically connected to the adsorption part of the iron adsorption component.
[0009] In some embodiments, the switchable magnetic base is provided with a magnetic switch.
[0010] In some embodiments, the semicircular tenon includes two large semicircular protrusions and one small semicircular protrusion, the large protrusions being disposed on both sides of the small protrusion; the semicircular groove includes two large semicircular grooves and one small semicircular groove, the large grooves being disposed on both sides of the small groove; the large grooves match the large protrusions, and the small grooves match the small protrusions.
[0011] In some embodiments, the combined keel layer includes multiple upper keels and multiple lower keels, with the multiple upper keels arranged in parallel at intervals on the bottom surface of the support plate, the upper keels and lower keels arranged vertically parallel to each other, and multiple buffer pads spaced apart between the upper keels and lower keels.
[0012] In some embodiments, the ends of the upper keel are offset from the ends of the lower keel.
[0013] In some embodiments, the damping layer consists of a plurality of spherical damping pads spaced apart on the bottom surface of the lower keel.
[0014] In some embodiments, the panel is composed of several strips joined together, and the strips are provided with locking structures on their four sides.
[0015] In some embodiments, the locking structure includes tenons located on opposite sides of the strip and grooves that match the tenons.
[0016] In some embodiments, the panel is a birch plywood and the support plate is plywood.
[0017] In some embodiments, both the upper and lower keels are made of dried larch wood, and the cushioning pad is made of black silicone.
[0018] The beneficial effects of this utility model are as follows:
[0019] 1. In this utility model, when the disassembled floor is subjected to a strong impact, the adjacent floor units are strongly magnetically connected to the adsorption part of the iron adsorption component through the switch-type magnetic base, which can effectively prevent the floor from opening; even if the floor has gaps after being subjected to force, the floor will return to its original state the moment the impact force is eliminated.
[0020] 2. In this utility model, the semi-circular tenons and semi-circular grooves at both ends of the bearing plate are improved by adding semi-circular small protrusions and semi-circular small grooves respectively, which increases the load-bearing points of the bearing plate and has a mutual supporting effect, which can effectively avoid the problem of floor gaps. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the cross-sectional structure of the floor unit of this utility model;
[0022] Figure 2 This is a top view of the floor unit of this utility model.
[0023] Figure 3 This is a bottom view of the floor unit of this utility model.
[0024] Figure 4 This is a partial schematic diagram of the assembly and connection of this utility model;
[0025] Figure 5 This is a schematic diagram of the structure of the magnetic suction component of this utility model;
[0026] Figure 6 This is a top view of the switch-type magnetic base of this utility model.
[0027] In the diagram: 1. Panel; 11. Strip; 12. Tenon; 13. Groove; 2. Support plate; 21. Semi-circular tenon; 211. Large protrusion; 212. Small protrusion; 22. Semi-circular groove; 221. Large groove; 222. Small groove; 3. Magnetic assembly; 31. Switch-type magnetic base; 311. Magnetic switch; 32. Iron adsorption component; 321. Fixing part; 322. Adsorption part; 4. Upper keel; 5. Lower keel; 6. Buffer pad; 7. Spherical shock-absorbing pad; 8. Stainless steel sheet. Detailed Implementation
[0028] The present invention will now be described in further detail with reference to the accompanying drawings.
[0029] The present invention and its embodiments are described below. This description is not restrictive, and the actual embodiments are not limited thereto. In short, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
[0030] refer to Figures 1-6This utility model provides a disassembled floor for sports venues, which is composed of multiple floor units. Each floor unit includes a panel 1, a support plate 2, a combined keel layer, and a shock-absorbing layer arranged from top to bottom. The panel 1 has a locking structure on all four sides. The two ends of the support plate 2 are respectively provided with a semi-circular tenon 21 and a semi-circular groove 22 that matches the semi-circular tenon 21. Adjacent floor units are connected by a magnetic attraction component 3. The magnetic attraction component 3 includes a switchable magnetic base 31 and an iron adsorption component 32. The switchable magnetic base 31 is located on one side edge of the bottom surface of the support plate 2. The iron adsorption component 32 is an L-shaped sheet structure, which is composed of an integrally formed fixing part 321 and an adsorption part 322. The fixing part 321 is located on the other side edge of the bottom surface of the support plate 2. The switchable magnetic base 31 and the adsorption part 322 of the iron adsorption component 32 are magnetically connected. This invention, by setting up a magnetic suction component 3, can stably connect adjacent floor units and prevent them from sliding against each other. When the disassembled floor is subjected to a strong impact, the adjacent floor units are strongly magnetically connected by the magnetic base 31 and the suction part 322 of the iron suction component 32, which can effectively prevent the floor from splitting. Even if a gap is formed after the floor is subjected to force, the floor will return to its original shape the moment the impact force is removed.
[0031] In this embodiment, the fixing part 321 and the adsorption part 322 of the iron adsorption member 32 are perpendicular to each other. One end of the adsorption part 322 is connected to the outer end of the fixing part 321, and the other end of the adsorption part 322 extends away from the panel 1. The outer surface area of the adsorption part 322 is greater than the bottom area of the switch-type magnetic base 31, and the thickness of the combined keel layer is greater than the width of the adsorption part 322 and the width of the switch-type magnetic base 31.
[0032] The switchable magnetic base 31 is equipped with a magnetic switch 311, which is located on top of the switchable magnetic base 31. The switchable magnetic base 31 is existing technology; the model is F60 small switchable magnetic base. Pressing down on the magnetic switch 311 and rotating it to ON in the direction indicated by the arrow magnetizes the switchable magnetic base 31; pressing down on the magnetic switch 311 and rotating it to OFF in the direction indicated by the arrow demagnetizes the switchable magnetic base 31. That is, when the magnetic switch 311 is in the "ON" state, the switchable magnetic base 31 is magnetized, and the bottom surface of the switchable magnetic base 31 is magnetically connected to the outer surface of the adsorption part 322. Adjacent floor units are connected via the magnetic adsorption assembly 3, facilitating floor unit installation. When the magnetic switch 311 is in the "OFF" state, the switchable magnetic base 31 is demagnetized, facilitating floor unit disassembly. The switchable magnetic base 31 is a strong magnet. By rotating the magnetic switch 311, the magnetic attraction of the switchable magnetic base 31 can be controlled to open and close, which facilitates the installation and removal of the floor unit.
[0033] The semicircular tenon 21 includes two large semicircular protrusions 211 and one small semicircular protrusion 212, with the large protrusions 211 positioned on both sides of the small protrusion 212. The semicircular groove 22 includes two large semicircular grooves 221 and one small semicircular groove 222, with the large grooves 221 positioned on both sides of the small groove 222. The large grooves 221 match the large protrusions 211, and the small grooves 222 match the small protrusions 212. During assembly, adjacent load-bearing plates 2 can be interlocked using the semicircular tenons 21 and semicircular grooves 22, and connected via the magnetic assemblies 3, thereby ensuring the firmness of the connection between adjacent floor units. In actual use, it was found that the maximum impact force generated by basketball players during confrontation can reach 300KG. Under this impact force, gaps will occur in the existing technology because the two ends of the bearing plate 2 do not have semi-circular small protrusions 212 and semi-circular small grooves 222. After improvement, the addition of semi-circular small protrusions 212 and semi-circular small grooves 222 increases the force points of the bearing plate 2 and has a mutual support effect. After testing, this improvement can effectively avoid the problem of gaps.
[0034] In this embodiment, stainless steel sheets 8 are inlaid on both semi-circular protrusions 211 of the semi-circular tenon 21. Specifically, a receiving groove is provided on the large protrusion 211, and the stainless steel sheet 8 is inlaid in the receiving groove. With this arrangement, when adjacent support plates 2 are interlocked through the semi-circular tenon 21 and the semi-circular groove 22, the stainless steel sheet 8 can protect the semi-circular tenon 21 from damage.
[0035] The composite keel layer includes multiple upper keels 4 and multiple lower keels 5. The upper keels 4 are arranged parallel to each other on the bottom surface of the support plate 2, and the upper keels 4 and lower keels 5 are arranged vertically parallel to each other. Multiple buffer pads 6 are spaced apart between the upper keels 4 and lower keels 5. The ends of the upper keels 4 and the ends of the lower keels 5 are staggered. Preferably, the upper keels 4 and lower keels 5 are staggered by 7-8 cm, so that the ends of the upper keels 4 and lower keels 5 form a chamfered joint. During assembly, the upper keels 4 of adjacent floor units are inserted at the staggered positions to ensure the stability of the connection between adjacent floor units.
[0036] In this embodiment, panel 1 is a spliced board composed of several strips 11. Panel 1 is made of birch plywood and has a thickness of 18mm. Using spliced boards for panel 1 improves the floor's resistance to deformation. The four sides of each strip 11 are provided with a locking structure, which includes tenons 12 located on opposite sides of each strip 11 and grooves 13 that match the tenons 12. The tenons 12 can be inserted into the grooves 13 to connect adjacent strips 11. Each of the four sides of each strip 11 has two adjacent tenons 12 and two grooves 13 on the other two sides. Adjacent strips 11 are connected laterally or longitudinally through the locking structure. Therefore, panel 1 also has a locking structure on its four sides, allowing adjacent panels 1 to be interlocked during assembly. Specifically, the strips 11 include long strips and short strips, and panel 1 is composed of five long strips and five short strips spliced together.
[0037] The load-bearing board 2 is made of plywood and connects the panel 1 and the upper joist 4, improving the load-bearing capacity and strength of the floor. Both the upper joist 4 and the lower joist 5 are made of dried larch wood, with a spacing of 300mm between adjacent upper joists 4 and adjacent lower joists 5. The cushioning pad 6 is made of black silicone, a highly active absorbent material with cushioning and elasticity.
[0038] The damping layer consists of multiple spherical damping pads 7 spaced apart on the bottom surface of the lower joist 5. By setting the spherical damping pads 7, the stress distribution can be effectively made uniform, and the elasticity of the floor can be further enhanced.
[0039] In this embodiment, panel 1 and support plate 2 are fixedly connected by screws; support plate 2 and upper keel 4 are fixedly connected by nail guns or screws; upper keel 4 and buffer pad 6 are bonded with adhesive and reinforced with nail guns; buffer pad 6 and lower keel 5 are fixedly connected by screws; and lower keel 5 and spherical shock-absorbing pad 7 are fixedly connected by nail guns. By using screws or nail guns to fix the layers together, the structure becomes a whole, improving the structural stability of the floor unit.
[0040] When the prefabricated flooring is assembled in the sports venue, adjacent panels 1 are interlocked via tenons 12 and grooves 13, while adjacent support plates 2 are interlocked via semi-circular tenons 21 and semi-circular grooves 22. Adjacent composite joist layers are interlocked via chamfered joints, and then adjacent floor units are connected using magnetic assemblies 3. Furthermore, when removal is required, the floor unit can be disassembled by demagnetizing the switchable magnetic base 31 of the magnetic assemblies 3.
[0041] This utility model has a simple structure and ingenious design, making it easy to install and disassemble quickly. It also has good assembly stability, and the floor is not prone to gaps, making it widely applicable to various sports venues.
Claims
1. A type of removable flooring for sports venues, composed of multiple floor units spliced together, characterized in that, The floor unit includes a panel (1), a support plate (2), a combined keel layer and a shock-absorbing layer arranged from top to bottom. The panel (1) is provided with a locking structure on all four sides. The support plate (2) is provided with a semi-circular tenon (21) and a semi-circular groove (22) that matches the semi-circular tenon (21) at both ends. Adjacent floor units are connected by a magnetic component (3). The magnetic attraction component (3) includes a switchable magnetic base (31) and an iron adsorption component (32). The switchable magnetic base (31) is located on one side edge of the bottom surface of the support plate (2). The iron adsorption component (32) is an L-shaped sheet structure, consisting of an integrally formed fixing part (321) and an adsorption part (322). The fixing part (321) is located on the other side edge of the bottom surface of the support plate (2). The switchable magnetic base (31) and the adsorption part (322) of the iron adsorption component (32) are magnetically connected.
2. A demountable floor for sports venues according to claim 1, characterised in that, The switch-type magnetic base (31) is equipped with a magnetic switch (311).
3. The demountable floor for sports venues of claim 1, wherein, The semicircular tenon (21) includes two large semicircular protrusions (211) and one small semicircular protrusion (212), with the large protrusions (211) located on both sides of the small protrusion (212); the semicircular groove (22) includes two large semicircular grooves (221) and one small semicircular groove (222), with the large grooves (221) located on both sides of the small grooves (222); the large grooves (221) match the large protrusions (211), and the small grooves (222) match the small protrusions (212).
4. The demountable floor for sports venues of claim 1, wherein, The combined keel layer includes multiple upper keels (4) and multiple lower keels (5). The multiple upper keels (4) are arranged in parallel at intervals on the bottom surface of the bearing plate (2). The upper keels (4) and the lower keels (5) are arranged in parallel vertically. Multiple buffer pads (6) are arranged at intervals between the upper keels (4) and the lower keels (5).
5. A demountable floor for sports venues according to claim 4, characterised in that, The end of the upper keel (4) is offset from the end of the lower keel (5).
6. The demountable floor for sports venues of claim 1, wherein, The damping layer consists of multiple spherical damping pads (7) spaced apart on the bottom surface of the lower keel (5).
7. The demountable floor for sports venues of claim 1, wherein, The panel (1) is made up of several strips (11) spliced together, and the strips (11) are provided with a locking structure on all four sides.
8. The removable flooring for sports venues according to claim 7, characterized in that, The locking structure includes tenons (12) located on opposite sides of the strip (11) and grooves (13) that match the tenons (12).
9. The demountable floor for sports venues of claim 1, wherein, The panel (1) is a birch plywood, and the support plate (2) is a plywood.
10. The demountable floor for sports venues of claim 4, wherein, The upper keel (4) and lower keel (5) are both made of dried larch wood, and the cushioning pad (6) is made of black silicone.