CN107152144B - Floor structure for outdoor basketball sport - Google Patents
Floor structure for outdoor basketball sport Download PDFInfo
- Publication number
- CN107152144B CN107152144B CN201710448179.0A CN201710448179A CN107152144B CN 107152144 B CN107152144 B CN 107152144B CN 201710448179 A CN201710448179 A CN 201710448179A CN 107152144 B CN107152144 B CN 107152144B
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- China
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- layer
- composite plastic
- plastic layer
- metal framework
- floor structure
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/06—Flooring or floor layers composed of a number of similar elements of metal, whether or not in combination with other material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02177—Floor elements for use at a specific location
- E04F15/02183—Floor elements for use at a specific location for outdoor use, e.g. in decks, patios, terraces, verandas or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/03—Undercut connections, e.g. using undercut tongues or grooves
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/04—Other details of tongues or grooves
- E04F2201/043—Other details of tongues or grooves with tongues and grooves being formed by projecting or recessed parts of the panel layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The invention relates to a floor structure for outdoor basketball sport, which comprises: the composite plastic layer is located the uppermost layer, the metal skeleton layer is connected to the lower side of the composite plastic layer, the closed-cell foam buffer layer is connected to the lower side of the metal skeleton layer, and the Shore hardness of the surface of the composite plastic layer is greater than 65. The outdoor basketball playing floor structure has the comfort, safety and playing property of the basketball playing field assembled by the indoor wood floors, is nontoxic, odorless, healthy and green, has long service life and is convenient to install. All the processes of product assembly, installation and construction are physically combined without gluing; meanwhile, aluminum-plastic separation is easy to carry out after the life cycle of the product is finished, and the product can be respectively recycled, thereby being beneficial to environmental protection.
Description
Technical Field
The invention relates to a structure of an outdoor sport floor, in particular to a floor structure for outdoor basketball sport.
Background
Currently, basketball courts for outdoor use are of two main types. One general category is hardened floors, including cement floors, asphalt floors, and the like. The hardened ground has the advantages of low cost, good rebound of basketball, no toxicity and smell, and no need of recovery. The main defects are no impact absorption, the impact on the knee joint, ankle joint, spine and other parts of the human body is larger during the upper movement, and the injury to the human body is larger during the long-term movement on the field. The probability of fracture, sprain and abrasion is high after slipping. The other general type is plastic ground, which comprises acrylic acid and polyurethane, and the acrylic acid plastic ground is painted with a layer of paint on the hardened ground, so that the basketball has the advantages of good rebound, difficult abrasion after slipping, peculiar smell generated by volatilizing solvents during construction, no toxicity and smell in the later period, and no need of recovery. But the problem of impact absorption is not solved, and the impact on the knee joint, ankle joint, spine and other parts of the human body is large. And under the condition of outdoor rain, heat and sun, the service life is short. The polyurethane plastic ground is an organic material which is paved on the hardened ground on site, has the advantages of better impact absorption, difficult injury after slipping, poor rebound of basketball, toxic peculiar smell generated by volatilization of solvent during construction and in half a year after finishing, harm to human body and environment, and bad smell emitted in hot summer in long-term use and incapability of recycling.
Disclosure of Invention
The invention provides a floor structure for outdoor basketball sport, which aims at the defects of the existing outdoor basketball sport floors.
A floor structure for outdoor basketball, comprising: the composite plastic layer is located the uppermost layer, the metal skeleton layer is connected to the lower side of the composite plastic layer, the closed-cell foam buffer layer is connected to the lower side of the metal skeleton layer, and the Shore hardness of the surface of the composite plastic layer is greater than 65.
The invention has the beneficial effects that: the outdoor basketball playing floor structure has the comfort, safety and playing property of the basketball playing field assembled by the indoor wood floors, is nontoxic, odorless, healthy and green, has long service life and is convenient to install. The shore hardness of the surface of the composite plastic layer is more than 65, so that the rebound rate of the basketball is more than 90%, and the basic requirement of the basketball game is met; the arrangement of the closed-cell foam buffer layer enables the floor structure to have certain buffer absorption performance, and damage to human bodies in the movement process is reduced.
Preferably, the composite plastic layer comprises a hard plastic layer and a surface co-extrusion layer, wherein the surface co-extrusion layer is compounded on the upper surface of the hard plastic layer through a co-extrusion technology, and the surface friction coefficient of the surface co-extrusion layer is between 0.4 and 0.7.
The beneficial effects of the above-mentioned preferred scheme lie in: the friction coefficient of the sports floor is a very critical technical index, and the friction coefficient greatly indicates that the floor friction force is too strong, so that the rotation flexibility can be reduced. A low coefficient of friction indicates that the floor friction is too low, which increases the risk of slipping. The coefficient of friction of the surface co-extruded layer is between 0.4 and 0.7, and the balance between too slip and too astringent is maintained.
Preferably, the thickness of the composite plastic layer is not less than 6mm, and the thickness of the surface co-extrusion layer is 0.3-0.5 mm.
The beneficial effects of the above-mentioned preferred scheme lie in: the product is used outdoors, the long service life reduces the replacement frequency of the product, and the product is also a green and environment-friendly scheme, and the outdoor service life of the surface co-extrusion layer is required to be not less than 10 years. The hard plastic material has the characteristics of no toxicity, no smell, no water absorption and flame retardance. The rebound of the basketball is directly related to the surface hardness and thickness of the composite plastic layer, when the surface hardness is about 55%, the rebound of the basketball is about 75%, and when the surface hardness is above 75%, the rebound of the basketball is about 93%, so that the rebound of the basketball reaches the cement floor level. Experiments prove that the surface hardness is more than 65 on the Shore hardness/HD, and the rebound of the ball is not less than 90 percent. And the thickness relation of the product, the impact force of falling balls is quickly transmitted into the floor buffer layer when the thickness is less than 4MM, the rebound of the basketball is influenced, and the rebound height of the basketball can be ensured only by requiring higher surface hardness. Meanwhile, the thickness of the product and the service life of the product have direct relation. The product thickness should be >6MM.
Preferably, the closed-cell foam buffer layer comprises two aluminum foil layers and a bubble cushion, wherein the bubble cushion is sandwiched between the two aluminum foil layers, and the thickness of the bubble cushion is 3-6 mm.
Preferably, a plurality of air bubbles are arranged in the bubble pad, and the diameters of the air bubbles are 2-5 mm.
The beneficial effects of the above-mentioned preferred scheme lie in: thirdly, the closed-cell foam buffer layer is related to impact absorption and tremors, wherein tremors refer to the deformation range of the floor caused by impact, and the larger the tremor range is, the more easily fracture is caused. The impact absorption mode of the indoor special competition field of the wood floor is to use a soft rubber pad, the pad plays a role in impact absorption between the wood joist and the ground, and meanwhile, the vibration range is small. The indoor wood floor is also used for playing a role in shock absorption in a mode of paving a layer of sponge on a non-competition site. The outdoor use is considered in view of installation efficiency and service life. And the water cannot be absorbed in rainy weather. The closed cell bubble buffer layer we used is a bubble pad made of plastic film with independent air bubbles sealed between two layers of aluminum foil. Each individual air bubble is 3-5 mm in diameter. Experiments prove that the bubble diameter is too small, and a product structure similar to a sponge is formed, and the product cannot absorb water because the bubble is independent, but the deformation range is large after being impacted. The diameter of the air bubble is too large, although the impact absorption is better, the rebound index of the ball is affected, and the feel of the foot when the ball is hit to the ground is poor. In order to ensure the outdoor service life and performance of the product, the two sides of the air bubble are sealed by aluminum foil materials, so that the service life of the product is ensured, and the air in the air bubble is not easy to slowly leak out, so that the long-term impact absorbing capability is ensured. The bubble mats of different thickness have different impact absorption indicators. Experiments prove that the thickness of the buffer layer is between 3 and 6 millimeters, and the impact absorption of the floor formed by paving the plate formed by combining the composite plastic layer and the metal framework on the buffer layer is more than or equal to 30 percent, so that the impact absorption and rebound are balanced well. The bubble pad is made of nontoxic, odorless, non-water-absorbing and long-service-life materials and has the characteristic of quick rebound.
Preferably, the metal framework layer is provided with at least two groove structures which are opened upwards; the lower part of the composite plastic layer is provided with a protruding part matched with the groove, and the protruding part is embedded in the groove.
The top opening size and the bottom size of the groove are consistent, inward extending groove bulges are arranged on two inner side walls of the groove, the groove bulges are positioned at the position which is one third of the height of the groove wall from the groove opening, and the shortest distance between the two groove bulges is 75-95% of the top opening size. The cross section of the groove forms a shape similar to the cross section of the bottle, which is beneficial to enhancing the strength of the clamping connection between the groove and the bulge.
The beneficial effects of the above-mentioned preferred scheme lie in: the bulges on the composite plastic layer are physically embedded into the grooves on the metal framework to form the tight combination similar to a mortise and tenon structure. The installation structure of lock catch mode is arranged on two sides of the section bar, which is used for rapid and firm floor installation and can be detached.
Preferably, one end of the metal framework layer is further provided with a clamping piece, the other end of the metal framework layer is provided with a clamping piece, and the clamping piece is detachably connected with the clamping piece.
The beneficial effects of the above-mentioned preferred scheme lie in: realize the transverse connection between the metal skeleton layer to make the connection between floor and the floor realize through the joint structure, the dismouting of being convenient for, recycle.
Preferably, the metal skeleton layer is made of an aluminum alloy material.
The beneficial effects of the above-mentioned preferred scheme lie in: the framework made of the aluminum alloy material can simultaneously meet various requirements of light weight, high strength, corrosion resistance and the like, and effectively prolongs the service life of the floor.
Preferably, the connection among the composite plastic layer, the metal framework layer and the closed-cell foam buffer layer is realized in a physical combination mode, and the connection comprises clamping connection between the metal framework layer and the metal framework layer through a clamping piece and a clamping piece, and also comprises mortise-tenon type combination between the composite plastic layer and the metal framework layer through a groove and a protruding part, and further comprises pressure connection combination between the closed-cell foam buffer layer and the metal framework. Therefore, through the connection relation of the physical combination mode, after the life cycle of the product is finished, the product can be respectively recycled, and the environment protection is facilitated.
Preferably, the composite plastic layer, the metal framework layer and the closed-cell foam buffer layer are connected without gluing, so that the environment-friendly composite plastic layer is more environment-friendly, and pollution to the environment is reduced.
Drawings
FIG. 1 is a schematic view of a floor structure for outdoor basketball practice of the present invention;
FIG. 2 is a schematic view of the structure of the composite plastic layer of the present invention;
FIG. 3 is a schematic structural view of a metal framework according to the present invention;
FIG. 4 is a schematic structural view of a closed cell foam cushioning layer of the present invention;
FIG. 5 is a schematic view of a structure of a fastening member and a fastening member according to the present invention;
fig. 6 is a schematic structural diagram of a fastening member and a fastening member structure according to the present invention.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural view of a floor structure for outdoor basketball, according to the present invention, comprising: the composite plastic layer 1, the metal framework layer 2 and the closed-cell foam buffer layer 3, the composite plastic layer 1 is located the uppermost layer, the metal framework layer 2 is connected to the lower side of the composite plastic layer, the closed-cell foam buffer layer 3 is connected to the lower side of the metal framework layer 2, and the Shore hardness of the surface of the composite plastic layer 1 is greater than 65. The outdoor basketball playing floor structure has the comfort, safety and playing property of the basketball playing field assembled by the indoor wood floors, is nontoxic, odorless, healthy and green, has long service life and is convenient to install. The rebound of the basketball is directly related to the surface hardness and thickness of the composite plastic layer, when the surface hardness is about 55%, the rebound of the basketball is about 75%, and when the surface hardness is above 75%, the rebound of the basketball is about 93%, so that the rebound of the basketball reaches the cement floor level. Experiments prove that the surface hardness is more than 65 on the Shore hardness/HD, and the rebound of the ball is not less than 90 percent. Therefore, the shore hardness of the surface of the composite plastic layer 1 is more than 65, so that the rebound rate of the basketball is more than 90 percent, and the basic requirement of the basketball game is met; the arrangement of the closed-cell foam buffer layer 3 enables the floor structure to have certain buffer absorption performance, and reduces damage to human bodies in the movement process.
As a further scheme of the present invention, as shown in fig. 2, fig. 2 is a schematic structural diagram of the composite plastic layer of the present invention, where the composite plastic layer 1 includes a hard plastic layer 11 and a surface co-extrusion layer 13, the surface co-extrusion layer 13 is compounded on the upper surface of the hard plastic layer 11 by a co-extrusion technology, and a surface friction coefficient of the surface co-extrusion layer 13 is between 0.4 and 0.7. The friction coefficient of the sports floor is a very critical technical index, and the friction coefficient greatly indicates that the floor friction force is too strong, so that the rotation flexibility can be reduced. A low coefficient of friction indicates that the floor friction is too low, which increases the risk of slipping. The coefficient of friction of the surface co-extruded layer is between 0.4 and 0.7, and the balance between too slip and too astringent is maintained.
The thickness of the composite plastic layer 1 is not less than 6mm, and the thickness of the surface co-extrusion layer 13 is 0.3-0.5 mm. The product is used outdoors, the long service life reduces the replacement frequency of the product, and the product is also a green and environment-friendly scheme, and the outdoor service life of the surface co-extrusion layer is required to be not less than 10 years. The hard plastic material has the characteristics of no toxicity, no smell, no water absorption and flame retardance. And the thickness relation of the product, the impact force of falling balls is quickly transmitted into the floor buffer layer when the thickness is less than 4MM, the rebound of the basketball is influenced, and the rebound height of the basketball can be ensured only by requiring higher surface hardness. Meanwhile, the thickness of the product and the service life of the product have direct relation. The product thickness should be >6MM.
The lower part of the composite plastic layer is provided with a protruding part 12 matched with the groove 21, and the protruding part 12 can be detachably embedded in the groove 21.
As a further scheme of the present invention, as shown in fig. 4, fig. 4 is a schematic structural diagram of the closed-cell foam buffer layer of the present invention, where the closed-cell foam buffer layer 3 includes two aluminum foil layers 31 and a bubble pad 32, the bubble pad 32 is sandwiched between the two aluminum foil layers 31, and the thickness of the bubble pad 32 is 3-6 mm. The bubble cushion 32 is provided with a plurality of air bubbles having a diameter of 2-5 mm.
The arrangement of the closed-cell foam buffer layer is related to impact absorption and tremble, wherein tremble refers to the deformation range of the floor caused by impact, and the larger the tremble range is, the more easily fracture is caused. The impact absorption mode of the indoor special competition field of the wood floor is to use a soft rubber pad, the pad plays a role in impact absorption between the wood joist and the ground, and meanwhile, the vibration range is small. The indoor wood floor is also used for playing a role in shock absorption in a mode of paving a layer of sponge on a non-competition site. The outdoor use is considered in view of installation efficiency and service life. And the water cannot be absorbed in rainy weather. The closed cell bubble buffer layer we used is a bubble pad made of plastic film with independent air bubbles sealed between two layers of aluminum foil. Each individual air bubble is 3-5 mm in diameter. Experiments prove that the bubble diameter is too small, and a product structure similar to a sponge is formed, and the product cannot absorb water because the bubble is independent, but the deformation range is large after being impacted. The diameter of the air bubble is too large, although the impact absorption is better, the rebound index of the ball is affected, and the feel of the foot when the ball is hit to the ground is poor. In order to ensure the outdoor service life and performance of the product, the two sides of the air bubble are sealed by aluminum foil materials, so that the service life of the product is ensured, and the air in the air bubble is not easy to slowly leak out, so that the long-term impact absorbing capability is ensured. The bubble mats of different thickness have different impact absorption indicators. Experiments prove that the thickness of the buffer layer is between 3 and 6 millimeters, and the impact absorption of the floor formed by paving the plate formed by combining the composite plastic layer and the metal framework on the buffer layer is more than or equal to 30 percent, so that the impact absorption and rebound are balanced well. The bubble pad is made of nontoxic, odorless, non-water-absorbing and long-service-life materials and has the characteristic of quick rebound.
As a further scheme of the invention, as shown in fig. 3, fig. 3 is a schematic structural view of the metal framework of the invention; at least two groove 21 structures which are opened upwards are arranged on the metal framework layer 2; the lower part of the composite plastic layer 1 is provided with a protruding part 12 matched with the groove 21, and the protruding part 12 is embedded in the groove 21. One end of the metal framework layer 2 is provided with a clamping piece 22, the other end is provided with a clamping piece 23, and the clamping piece 22 is detachably connected with the clamping piece 23.
The grooves may be provided in the following configuration: the top opening size and the bottom size of the groove are consistent, inward extending groove bulges are arranged on two inner side walls of the groove, the groove bulges are positioned at the position which is one third of the height of the groove wall from the groove opening, and the shortest distance between the two groove bulges is 75-95% of the top opening size. The cross section of the groove forms a shape similar to the cross section of the bottle, which is beneficial to enhancing the strength of the clamping connection between the groove and the bulge. The bulges on the composite plastic layer are physically embedded into the grooves on the metal framework to form the tight combination similar to a mortise and tenon structure. The installation structure of lock catch mode is arranged on two sides of the section bar, which is used for rapid and firm floor installation and can be detached.
As shown in fig. 3, 5 and 6, fig. 3 is a schematic structural view of a metal framework of the present invention, fig. 5 is a schematic structural view of a clamping member and a clamping member structure of the present invention, and fig. 6 is a schematic structural view of a clamping member and a clamping member structure of the present invention. One end of the metal framework layer is provided with a clamping piece 22, the other end of the metal framework layer is provided with a clamping piece 23, and the clamping piece 22 is detachably connected with the clamping piece 23.
As shown in fig. 5, the fastening member may be an arrow-shaped fastening tongue, and the fastening member may be a fastening groove matched with the fastening member and having an arrow-shaped groove therein, where when two floors are spliced, the adjacent fastening member is connected with the fastening member in a detachable manner.
As shown in fig. 6, the fastening member may be a hemispherical fastening tongue, and the fastening member may be a fastening groove matched with the fastening member and having a hemispherical groove therein, where when two floors are spliced, the adjacent fastening member is detachably fastened to the fastening member. In addition, the clamping piece and the clamping piece can also be other clamping structures capable of meeting the lock catch type connection.
In a specific design operation, the metal skeleton layer 2 may have a structure including a bottom wall, a first side wall and a second side wall, where the first side wall and the second side wall are disposed oppositely and connected to two ends of the bottom wall respectively and extend upward, the groove 2 is connected to the bottom wall, the first side wall is connected with a clamping member 22, and the second side wall is connected with a clamping member 23.
Furthermore, the metal skeleton layer 2 is made of an aluminum alloy material. The framework made of the aluminum alloy material can simultaneously meet various requirements of light weight, high strength, corrosion resistance and the like, and effectively prolongs the service life of the floor.
With the above structure, the assembly and installation of the composite plastic layer 1, the metal framework layer 2 and the closed-cell foam buffer layer 3 are realized by a physical combination mode without using gluing. Adopts a concave-convex combination mode and is compounded with the composite plastic layer, glue coating is not needed, and environmental pollution is reduced. After the life cycle of the product is finished, the product can be respectively recycled, and the environment protection is facilitated.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (4)
1. A floor structure for outdoor basketball sport, the structure comprising: the composite plastic layer (1), the metal framework layer (2) and the closed-cell foam buffer layer (3), wherein the composite plastic layer (1) is positioned at the uppermost layer, the metal framework layer (2) is connected to the lower side of the composite plastic layer, the closed-cell foam buffer layer (3) is connected to the lower side of the metal framework layer (2), and the Shore hardness of the surface of the composite plastic layer (1) is more than 65; the composite plastic layer (1) comprises a hard plastic layer (11) and a surface co-extrusion layer (13), wherein the surface co-extrusion layer (13) is compounded on the upper surface of the hard plastic layer (11) through a co-extrusion technology, and the surface friction coefficient of the surface co-extrusion layer (13) is between 0.4 and 0.7; the thickness of the composite plastic layer (1) is not less than 6mm, and the thickness of the surface co-extrusion layer (13) is 0.3-0.5 mm; at least two grooves (21) with upward openings are arranged on the metal framework layer (2); the lower part of the composite plastic layer (1) is provided with a protruding part (12) matched with the groove (21), and the protruding part (12) is embedded in the groove (21); one end of the metal framework layer (2) is provided with a clamping piece (22), the other end of the metal framework layer is provided with a clamping piece (23), the clamping piece (22) is detachably connected with the clamping piece (23), the closed cell foam buffer layer (3) comprises two layers of aluminum foil layers (31) and a bubble cushion (32), the bubble cushion (32) is clamped between the two layers of aluminum foil layers (31), and the thickness of the bubble cushion (32) is 3-6 mm.
2. The floor structure for outdoor basketball game according to claim 1, wherein a plurality of air bubbles are provided in the bubble mat (32), and the air bubbles have a diameter of 2-5 mm.
3. -floor structure according to claim 2, characterized in that the metal skeleton layer (2) is made of an aluminium alloy material.
4. -floor structure according to claim 1, characterized in that the connection between the composite plastic layer (1), the metal skeleton layer (2) and the closed-cell foam cushioning layer (3) is realized by means of physical bonding, without glue.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448179.0A CN107152144B (en) | 2017-06-14 | 2017-06-14 | Floor structure for outdoor basketball sport |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448179.0A CN107152144B (en) | 2017-06-14 | 2017-06-14 | Floor structure for outdoor basketball sport |
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| CN107152144A CN107152144A (en) | 2017-09-12 |
| CN107152144B true CN107152144B (en) | 2023-09-05 |
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| CN108005337A (en) * | 2017-11-29 | 2018-05-08 | 江门市美森人造草坪有限公司 | A kind of plastic cement imitated wood floor board |
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| CN206144091U (en) * | 2016-10-20 | 2017-05-03 | 河南省确山县建筑设计室 | Fireproof environmental protection floor |
| CN206844566U (en) * | 2017-06-14 | 2018-01-05 | 北京中联建诚建材有限公司 | A kind of floor panel structure for outdoor basketball movement |
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2017
- 2017-06-14 CN CN201710448179.0A patent/CN107152144B/en active Active
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| JP2006257751A (en) * | 2005-03-17 | 2006-09-28 | Asahi Kasei Chemicals Corp | Floor material with footboard |
| CN102032418A (en) * | 2009-09-30 | 2011-04-27 | 周新怀 | Thermal insulation material |
| CN202090560U (en) * | 2011-05-23 | 2011-12-28 | 卡尔玛地板(苏州)有限公司 | Energy-saving floor board for geothermy |
| CN104685137A (en) * | 2013-04-18 | 2015-06-03 | 威考尼克国防公司 | Recoiling energy absorbing system |
| CN105839888A (en) * | 2016-05-23 | 2016-08-10 | 钟双桥 | Connection structure, floor block assembly and floor |
| CN206144091U (en) * | 2016-10-20 | 2017-05-03 | 河南省确山县建筑设计室 | Fireproof environmental protection floor |
| CN206844566U (en) * | 2017-06-14 | 2018-01-05 | 北京中联建诚建材有限公司 | A kind of floor panel structure for outdoor basketball movement |
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| CN107152144A (en) | 2017-09-12 |
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