spliced ​​PE foam board

Abstract

This utility model provides a splicing PE foam board. The splicing PE foam board includes: multiple mounting openings respectively on both sides of the foam board body; mating interfaces are provided on the front and back sides of the foam board body near both sides; a mating frame is installed inside each mounting opening on one side; a first mounting bracket is fixedly connected to the front and back of each mating frame; a limiting opening is provided at the top and bottom of each mating frame; a first magnetic block is slidably connected inside each mating frame; and a limiting block is fixedly connected to the top and bottom of each first magnetic block near one side. The splicing PE foam board provided by this utility model utilizes magnetic force for initial positioning, preventing breakage or loosening caused by stress concentration in traditional structures after mating. This facilitates rapid assembly of the foam board body and increases the stability of the assembled foam board body.

Description

Technical Field

[0001] This utility model relates to the field of PE foam board technology, and in particular to spliced ​​PE foam board. Background Technology

[0002] PVC foam board, also known as Chevron board or Andy board, is made of polyvinyl chloride, hence the name foamed PVC board. It is widely used in bus and train carriage ceilings, core layers of boxes, interior decoration panels, building exterior wall panels, interior decoration panels, office, residential, and public building partitions, commercial decorative racks, cleanroom panels, ceiling panels, screen printing, computer lettering, advertising signs, exhibition boards, signage, photo album boards, and other industries. It is also used in chemical corrosion protection projects, thermoformed parts, cold storage panels, special cold insulation projects, environmentally friendly panels, sports equipment, aquaculture materials, coastal moisture-proof facilities, water-resistant materials, art materials, and various lightweight partitions to replace glass ceilings.

[0003] Interlocking PE foam boards are made of multiple sheets of polyethylene foam material. They are formed into a closed-cell structure through physical or chemical foaming processes. They are interlockable and are commonly used in construction, civil engineering and other fields. The edges of the boards are pre-set with tenons or grooves and raised structures, which can be interlocked without glue.

[0004] Traditional splicing structures generally use snap-fit ​​or mortise and tenon joints. Such connection methods require high installation precision and have weak resistance to deformation, and are prone to loosening, especially under temperature changes or external forces.

[0005] Therefore, it is necessary to provide spliced ​​PE foam boards to solve the above-mentioned technical problems. Utility Model Content

[0006] This utility model provides a spliced ​​PE foam board, which solves the problems of traditional PE foam board splicing methods, which require high installation accuracy, have weak resistance to deformation, and are prone to loosening under large temperature changes or external forces.

[0007] To solve the above-mentioned technical problems, the splicing PE foam board provided by this utility model includes: a foam board body;

[0008] Multiple mounting ports are provided on both sides of the foam board body. The front and back sides of the foam board body are provided with mating interfaces. A mating frame is installed inside the mounting port on one side. A first mounting bracket is fixedly connected to the front and back of each mating frame. A limit opening is provided at the top and bottom of each mating frame. A first magnetic block is slidably connected inside each mating frame. A limit block is fixedly connected to the top and bottom of each first magnetic block near one side. A mounting frame is installed in the mounting port on the other side. A second magnetic block is fixedly connected to one side of the inner wall of each mounting frame. A second mounting bracket is fixedly connected to the front and back of each mounting frame.

[0009] Multiple fixing components are respectively installed between each group of first mounting brackets and each group of second mounting brackets;

[0010] Corresponding to the position and number of interfaces and mounting ports, the fixing components are used to fix the docking frame or mounting frame inside the mounting port. The limiting block slides inside the limiting port, which can limit the range of the first magnetic block sliding out and increase stability.

[0011] Preferably, a through hole is provided on one side of the interface, and a through opening is provided on one side of the first magnetic block;

[0012] The perforation runs through two adjacent mating interfaces, and the mating interfaces correspond to the positions of the mounting brackets. The perforation is to facilitate the passage of the fixing components so that the fixing components do not affect the movement of the first magnetic block.

[0013] Preferably, a first mating piece is installed on one side of each of the first mounting brackets, and a second mating piece is installed on one side of each of the second mounting brackets;

[0014] The second docking piece attracts the first docking piece when they are close together.

[0015] Preferably, one side of the second magnetic block is also provided with a through opening, both the docking frame and the mounting frame are open on one side, and both the first mounting bracket and the second mounting bracket are L-shaped;

[0016] The through-hole on the second magnetic block allows the fixing component to pass through, and the first magnetic block slides between the docking frame and the mounting frame after they are docked.

[0017] Preferably, the fixing component includes a docking structure and a limiting structure, the docking structure passing through the first mounting bracket and the second mounting bracket, and the limiting structure being threadedly connected to the docking structure;

[0018] After passing through the first and second mounting brackets at one end of the docking structure, a limiting structure is threadedly connected to the outer surface of the docking structure near one end.

[0019] Preferably, the foam board body includes an intermediate layer, two transition layers and two dense layers, the intermediate layer is located between the transition layers, and one side of the two dense layers is connected to the two transition layers.

[0020] Preferably, the dense layer is made of polylactic acid, bamboo fiber nanocrystals and silane-modified nano-silica, the transition layer is made of bamboo fiber microfibers and graphene aerogel, and the intermediate layer is made of polylactic acid, bio-based nucleating agent and supercritical CO2 foaming agent of a certain concentration.

[0021] The PLA matrix and BCNC are bonded together by hydrogen bonds to form a nano-network, and silane-modified SiO2 is bonded through -SiO3. - The groups form chemical bonds with PLA ester groups and fill the gaps between PLA chain segments, achieving molecular-level interface fusion of the three. Bamboo fiber microfibers penetrate the two phases through physical embedding, and graphene aerogel relies on π-π stacking and polar group adsorption to construct a multi-level reinforcing network.

[0022] Preferably, the thickness of the intermediate layer is 500-800 μm, the thickness of the transition layer is 200-300 μm, and the thickness of the dense layer is 50-100 μm.

[0023] Compared with related technologies, the spliced ​​PE foam board provided by this utility model has the following beneficial effects:

[0024] This utility model provides a splicing PE foam board. To improve the stability of the connection between PE foam boards, multiple installation ports are provided on both sides of the foam board body, and multiple mating interfaces are opened on the front and back of the foam board body corresponding to the installation ports. Then, a first magnetic block with a limit block is installed inside the installation frame, and the limit block slides inside the limit port. Then, the installation frame with a second installation bracket is inserted into the installation port on one side of the foam board body, and the second installation bracket and the installation frame are fixed to one side of the foam board body by the fixing component. Then, the mating frame with the second magnetic block is installed in the installation port on the other side of the foam board body by the first installation bracket and the fixing component. This design uses magnetic force to provide initial positioning, which can prevent the breakage or loosening caused by stress concentration in traditional structures after the mating is completed. It is beneficial to realize the rapid assembly of the foam board body and can also increase the stability of the foam board body assembly. Attached Figure Description

[0025] Figure 1 A schematic diagram of the structure of the first embodiment of the spliced ​​PE foam board provided by this utility model;

[0026] Figure 2 A schematic diagram of the structure of the first magnetic block is provided for this utility model;

[0027] Figure 3 A schematic diagram of the fixing component structure is provided for this utility model;

[0028] Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown;

[0029] Figure 5 Provided for this utility model Figure 3 An enlarged view of point B shown;

[0030] Figure 6 A schematic diagram of the structure of a second embodiment of the spliced ​​PE foam board provided by this utility model;

[0031] Figure 7 A schematic diagram of the intermediate layer provided for this utility model.

[0032] The following labels are used in the diagram: 1. Foam board body, 101. Intermediate layer, 102. Transition layer, 103. Dense layer, 2. First mating piece, 3. Fixing component, 301. Butt joint structure, 302. Limiting structure, 4. First mounting bracket, 5. Butt joint frame, 6. First magnetic block, 7. Second mounting bracket, 8. Second mating piece, 9. Mounting frame, 10. Limiting block, 11. Through hole, 12. Limiting opening, 13. Butt joint, 14. Through hole, 15. Mounting opening, 16. Second magnetic block. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0034] First Embodiment

[0035] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of the structure of the first embodiment of the spliced ​​PE foam board provided by this utility model; Figure 2 A schematic diagram of the structure of the first magnetic block is provided for this utility model; Figure 3 A schematic diagram of the fixing component structure is provided for this utility model; Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown; Figure 5 Provided for this utility model Figure 3 The enlarged view at point B is shown. The spliced ​​PE foam board includes: foam board body 1;

[0036] Multiple mounting ports 15 are respectively opened on both sides of the foam board body 1. The front and back sides of the foam board body 1 are provided with mating interfaces 13. A mating frame 5 is installed inside the mounting port 15 on one side. A first mounting bracket 4 is fixedly connected to the front and back sides of each mating frame 5. A limit opening 12 is opened at the top and bottom of each mating frame 5. A first magnetic block 6 is slidably connected inside the mating frame 5. A limit block 10 is fixedly connected to the top and bottom sides of each first magnetic block 6 near one side. A mounting frame 9 is installed in the mounting port 15 on the other side. A second magnetic block 16 is fixedly connected to one side of the inner wall of each mounting frame 9. A second mounting bracket 7 is fixedly connected to the front and back sides of the mounting frame 9.

[0037] Multiple fixing components 3 are respectively installed between each group of first mounting brackets 4 and each group of second mounting brackets 7;

[0038] The positions and numbers of the interface 13 and the mounting port 15 correspond to each other. The fixing component 3 is used to fix the docking frame 5 or the mounting frame 9 inside the mounting port 15. The limiting block 10 slides inside the limiting port 12, which can limit the range of the first magnetic block 6 sliding out and increase stability. The two first mounting brackets 4 on the same docking frame 5 are a group, and the two second mounting brackets 7 on the same mounting frame 9 are a group. The first mounting brackets 4 and the second mounting brackets 7 are inserted into the interior of the interface 13.

[0039] Please refer to Figure 3 and Figure 4 The interface 13 has through holes 14 on one side, and the first magnetic block 6 has a through hole 11 on one side.

[0040] The through hole 14 passes through two adjacent mating interfaces 13, and the mating interfaces 13 correspond to the positions of the mounting bracket. The through hole 11 is to facilitate the passage of the fixing component 3, so that the fixing component 3 does not affect the movement of the first magnetic block 6.

[0041] Please refer to Figure 1 , Figure 2 and Figure 4 Each of the first mounting brackets 4 has a first mating piece 2 installed on one side, and each of the second mounting brackets 7 has a second mating piece 8 installed on one side.

[0042] The second mating piece 8 is close to the first mating piece 2 and the two attract each other, which can help the mating frame 5 and the mounting frame 9 to connect. The mating piece is also a magnet.

[0043] Please refer to Figure 3 , Figure 4 and Figure 5The second magnetic block 16 also has a through-hole 11 on one side. Both the docking frame 5 and the mounting frame 9 are open on one side. Both the first mounting bracket 4 and the second mounting bracket 7 are L-shaped.

[0044] The through-hole 11 on the second magnetic block 16 allows the fixing component 3 to pass through. After the docking frame 5 and the mounting frame 9 are docked, the first magnetic block 6 slides between them.

[0045] Please refer to Figure 1 , Figure 3 and Figure 5 The fixing component 3 includes a docking structure 301 and a limiting structure 302. The docking structure 301 passes through the first mounting frame 4 and the second mounting frame 7. The limiting structure 302 is used to be threadedly connected to the docking structure 301.

[0046] After the first mounting bracket 4 and the second mounting bracket 7 pass through one end of the docking structure 301, the limiting structure 302 is threadedly connected to the outer surface of the docking structure 301 near one end, so that the docking frame 5 or the mounting frame 9 can be fixed.

[0047] The working principle of the spliced ​​PE foam board provided by this utility model is as follows:

[0048] During splicing, bring the side of the foam board body 1 with the mating frame 5 and the side of the foam board body 1 with the mounting frame 9 close together, and make the mating frame 5 and the mounting frame 9 fit together. During this process, the second magnetic block 16 and the first magnetic block 6 generate attraction, which allows the first magnetic block 6 to slide into the mating frame 5 and attract the second magnetic block 16, thus completing the connection of the foam board body 1. After the connection is completed, as long as it does not bear a force exceeding the attraction between the second magnetic block 16 and the first magnetic block 6, it will not deform or loosen due to force.

[0049] Compared with related technologies, the spliced ​​PE foam board provided by this utility model has the following beneficial effects:

[0050] To improve the stability of the connection between PE foam boards, multiple mounting holes 15 are provided on both sides of the foam board body 1, and multiple mating interfaces 13 are provided on the front and back of the foam board body 1 at positions corresponding to the mounting holes 15. Then, the first magnetic block 6 with a limiting block 10 is installed inside the mounting frame 9, and the limiting block 10 slides inside the limiting hole 12. Then, the mounting frame 9 with the second mounting bracket 7 is inserted into the mounting hole 15 on one side of the foam board body 1, and the second mounting bracket 7 and the mounting frame 9 are fixed to one side of the foam board body 1 by the fixing component 3. Then, the mating frame 5 with the second magnetic block 16 is installed in the mounting hole 15 on the other side of the foam board body 1 by the first mounting bracket 4 and the fixing component 3. This design uses magnetic force to provide initial positioning, which can prevent the breakage or loosening of traditional structures due to stress concentration after the mating is completed. It is beneficial to realize the rapid assembly of the foam board body 1 and can also increase the stability of the assembly of the foam board body 1.

[0051] Second Embodiment

[0052] Please refer to the following: Figures 6-7 , Figure 6 A schematic diagram of the structure of a second embodiment of the spliced ​​PE foam board provided by this utility model; Figure 7 This utility model provides a schematic diagram of the intermediate layer. Based on the spliced ​​PE foam board provided in the first embodiment of this application, the second embodiment of this application proposes another spliced ​​PE foam board. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0053] Specifically, the difference in the spliced ​​PE foam board provided in the second embodiment of this application is as follows, please refer to... Figure 6 and Figure 7 The foam board body 1 includes an intermediate layer 101, two transition layers 102 and two dense layers 103. The intermediate layer 101 is located between the transition layers 102, and one side of each of the two dense layers 103 is connected to the two transition layers 102.

[0054] The middle layer 101 has holes for ventilation.

[0055] The dense layer 103 is made of polylactic acid, bamboo fiber nanocrystals and silane-modified nano-silica, the transition layer 102 is made of bamboo fiber microfiber and graphene aerogel, and the intermediate layer 101 is made of polylactic acid, bio-based nucleating agent and supercritical CO2 foaming agent of a certain concentration.

[0056] The PLA matrix and BCNC are bonded together by hydrogen bonds to form a nano-network, and silane-modified SiO2 is bonded through -SiO3. -The groups form chemical bonds with PLA ester groups and fill the gaps between PLA chain segments, achieving molecular-level interface fusion of the three. Bamboo fiber microfibers penetrate the two phases through physical embedding. Graphene aerogel relies on π-π stacking and polar group adsorption to construct a multi-level reinforcing network. Sodium lignosulfonate is uniformly dispersed in the PLA matrix through surface activity, serving as nucleation sites to induce supercritical CO2 directional foaming. The three are macroscopically dispersed through melt blending, forming a closed-cell structure through physical interlocking during the foaming process.

[0057] The thickness of the intermediate layer 101 is 500-800 μm, the thickness of the transition layer 102 is 200-300 μm, and the thickness of the dense layer 103 is 50-100 μm.

[0058] Compared with related technologies, the spliced ​​PE foam board provided by this utility model has the following beneficial effects:

[0059] To enhance the performance of the spliced ​​PE foam board, a complete foam board body 1 is composed of an intermediate layer 101, two transition layers 102, and two dense layers 103. The dense layer 103 is made of polylactic acid, bamboo fiber nanocrystals, and silane-modified nano-silica. The transition layer 102 is made of bamboo fiber microfiber and graphene aerogel, allowing PVA hydroxyl groups and PLA ester groups to form a hydrogen bond network, achieving an interlayer shear strength of 2.8 MPa. Meanwhile, the intermediate layer 101 is made of polylactic acid, a bio-based nucleating agent, and a supercritical CO2 foaming agent. Through this three-layer gradient structure design, the dense layer 103 enhances mechanical properties and protection, the transition layer 102 buffers stress and prevents cracking, and the intermediate layer 101 achieves lightweight and high-efficiency thermal insulation.

[0060] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A spliced PE foamed sheet, characterized by, include: Foam board body; Multiple mounting ports are provided on both sides of the foam board body. The front and back sides of the foam board body are provided with mating interfaces. A mating frame is installed inside the mounting port on one side. A first mounting bracket is fixedly connected to the front and back of each mating frame. A limit opening is provided at the top and bottom of each mating frame. A first magnetic block is slidably connected inside each mating frame. A limit block is fixedly connected to the top and bottom of each first magnetic block near one side. A mounting frame is installed in the mounting port on the other side. A second magnetic block is fixedly connected to one side of the inner wall of each mounting frame. A second mounting bracket is fixedly connected to the front and back of each mounting frame. Multiple fixing components are respectively installed between each group of first mounting brackets and each group of second mounting brackets.

2. The spliced PE foamed sheet according to claim 1, characterized by, The interface has a through hole on one side, and the first magnetic block has an opening on one side.

3. The spliced PE foamed sheet according to claim 1, characterized by, Each of the first mounting brackets has a first mating piece installed on one side, and each of the second mounting brackets has a second mating piece installed on one side.

4. The spliced PE foamed sheet according to claim 1, wherein The second magnetic block also has a through-hole on one side. Both the docking frame and the mounting frame are open on one side. Both the first mounting bracket and the second mounting bracket are L-shaped.

5. The spliced ​​PE foam board according to claim 1, characterized in that, The fixing component includes a docking structure and a limiting structure. The docking structure passes through the first mounting bracket and the second mounting bracket, and the limiting structure is used for threaded connection with the docking structure.

6. The spliced ​​PE foam board according to claim 1, characterized in that, The foam board body includes an intermediate layer, two transition layers and two dense layers, with the intermediate layer located between the transition layers, and one side of each of the two dense layers connected to the two transition layers.

7. The spliced ​​PE foam board according to claim 6, characterized in that, The dense layer is made of polylactic acid, bamboo fiber nanocrystals and silane-modified nano-silica, the transition layer is made of bamboo fiber microfibers and graphene aerogel, and the intermediate layer is made of polylactic acid, bio-based nucleating agent and supercritical CO2 foaming agent of a certain concentration.

8. The spliced ​​PE foam board according to claim 6, characterized in that, The thickness of the intermediate layer is 500-800 μm, the thickness of the transition layer is 200-300 μm, and the thickness of the dense layer is 50-100 μm.

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