Bearing plate made of low-density BMC (bulk molding compound) foam material
By adopting a sandwich structure of SMC protective layer and BMC filling layer in the load-bearing plate, combined with the support frame and limit components, the problem of misalignment of low-density BMC foam material filler is solved, and the stability and structural strength of the filling layer are improved.
Patent Information
- Application Number
- CN202422654218.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-31
AI Technical Summary
When existing load-bearing panels use low-density BMC foam materials, the structural stability of the internal filler cannot be guaranteed and dislocation is prone to occur.
The sandwich structure adopts a protective layer made of SMC material and a filling layer made of BMC material, combined with a support frame, partition components, adapter components and limit components. Through modular assembly between the support frame and the filling layer, the filling layer is fixed with limit components and partition components to ensure its stable position.
The position stability of the filling layer is achieved, dislocation is prevented, and the stability and strength of the overall structure are improved. At the same time, the support frame can be flexibly assembled to meet different specifications.
Smart Images

Figure CN223443051U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of bearing plate, specifically relates to a kind of bearing plate parts using low-density BMC foam material. BACKGROUND
[0002] The existing bearing plate part is mainly determined by the bearing capacity of internal steel component to determine the overall bearing capacity, in order to realize overall light weight using low-density BMC foam, it has higher strength and modulus than general foam material, using it as sandwich layer makes the overall structure have higher strength and rigidity.SMC / BMC material of outer layer has same or similar base material quality, solidification forming property, so that sandwich interlayer low-density BMC foam material itself surface bonding force is higher.But in actual use process, the existing bearing plate part cannot guarantee the structure stability of internal BMC filler, and dislocation occurs with its internal structural component.
[0003] In order to solve the problems in the prior art, people have carried out long-term exploration and proposed various solutions.For example, Chinese patent document discloses a high-bearing-capacity foam-type color steel sandwich panel [202221955936.6], which comprises a first inner core and a second inner core connected thereto, the outer side of the first inner core and the second inner core is provided with a color steel tile, one end of the first inner core opposite to the second inner core is fixedly provided with an outer convex bottom plate, one end of the second inner core opposite to the first inner core is fixedly provided with an outer convex top plate, the outer convex bottom plate and the outer convex top plate are provided with opposite pressing components for forcing the first inner core and the second inner core to abut against each other, and the first inner core and the second inner core are provided with locking components for limiting the lateral displacement of each other.
[0004] The above scheme solves the problem of plate bearing capacity to some extent, but the scheme still has many deficiencies, such as the position stability of the internal filler and the component cannot be guaranteed. SUMMARY
[0005] The utility model aims at the above problem, provide a kind of design reasonable, filler position stable bearing plate part using low-density BMC foam material.
[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of bearing plate part using low-density BMC foam material, including the protective layer of SMC material, the filling layer of BMC material is set between the upper and lower superposition of protective layer, and the support frame body is connected between protective layer, the separation assembly is set between support frame body and filling layer, the adapter assembly is set between protective layer and support frame body, and the limiting assembly is set between adapter assembly and separation assembly.
[0007] In the above-mentioned low-density BMC foam material bearing plate, the waterproof and breathable film made of PP material is covered on the outside of the protective layer, and the thickness of the waterproof and breathable film is 0.4-1.8mm.
[0008] In the above-mentioned low-density BMC foam material bearing plate, the support frame body comprises a support plate and a support joint connected with the support plate, a hexagonal filling cavity is left between the support plate and the support joint, and the filling layer is arranged in the filling cavity.
[0009] In the above-mentioned low-density BMC foam material bearing plate, the support joint is in the shape of a column and has an insertion slot extending in the axial direction on the side surface, an insertion strip is arranged at the end of the support plate and is slidably inserted into the insertion slot, and the cross section of the insertion slot and the insertion strip is in the shape of a swallowtail.
[0010] In the above-mentioned low-density BMC foam material bearing plate, a closing cover is threadedly connected to the end of the support joint, and the top of the closing cover is flush with the top of the support plate.
[0011] In the above-mentioned low-density BMC foam material bearing plate, the adapter assembly comprises an adapter hole arranged on the protective layer, and the adapter hole is fixedly connected with the support frame body through a threaded member.
[0012] In the above-mentioned low-density BMC foam material bearing plate, an adapter slot for inserting the support frame body is formed on the side opposite to the support frame body of the protective layer, and an adhesive layer is arranged between the adapter slot and the support frame body.
[0013] In the above-mentioned low-density BMC foam material bearing plate, the separation assembly comprises a mesh bag wrapped on the outside of the filling layer, and the mesh bag is made of PP material.
[0014] In the above-mentioned low-density BMC foam material bearing plate, the limiting assembly comprises a limiting buckle connected with the adapter assembly, and the limiting buckle is hooked with the mesh bag on the outside of the filling layer.
[0015] In the above-mentioned low-density BMC foam material bearing plate, foaming glue is filled between the protective layer and the filling layer.
[0016] Compared with the prior art, the advantages of the present application are that the support frame body and the separation assembly are arranged between the protective layer and the filling layer to support and fix the filling layer, the position of the filling layer is ensured to be stable by the limiting assembly, the support frame body adopts a modular assembly structure and can be flexibly assembled according to actual needs, so that filling cavities of different specifications are obtained to meet the arrangement requirements of the filling layer, and the limiting assembly and the separation assembly are fixed together to ensure that the internal filling layer will not be dislocated. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1is a structural sectional view of the utility model;
[0018] Fig. 2 is a partial sectional view of the utility model;
[0019] Fig. 3 is a structural schematic view of the support frame body of the utility model;
[0020] In the figure, the protective layer 1, waterproof and breathable membrane 11, adapter groove 12, adhesive layer 13, filling layer 2, support frame body 3, support plate 31, support joint 32, filling cavity 33, plug-in slot 34, plug-in strip 35, closure cap 36, separation assembly 4, net bag 41, adapter assembly 5, adapter hole 51, limiting assembly 6, limiting buckle 61. DETAILED DESCRIPTION
[0021] The utility model will be made further detailed explanation in combination with the specific embodiment and the drawing.
[0022] As Figs. 1-3 Indicated, a kind of carrying plate piece using low-density BMC foam material, including using SMC material protective layer 1, protective layer 1 is stacked up and down and between it is provided with BMC material filling layer 2, its overall using sandwich structure, mutual stacking guarantees structural strength and the light weight of whole. Protective layer 1 is connected with support frame body 3, support frame body 3 is provided with separation assembly 4 between filling layer 2, protective layer 1 and support frame body 3 are provided with adapter assembly 5, adapter assembly 5 and separation assembly 4 are provided with limiting assembly 6 between it. Adapter assembly 5 and limiting assembly 6 cooperate, a certain pulling force is applied to separation assembly 4, ensure that filling layer 2 will not be misaligned.
[0023] Specifically, to improve the waterproof effect of protective layer 1 surface, protective layer 1 outside is covered with waterproof and breathable membrane 11 of PP material, and the thickness of the waterproof and breathable membrane 11 is 0.4-1.8mm. Usually, the waterproof and breathable membrane 11 with a thickness of 1.0mm is selected. The waterproof and breathable membrane 11 covers the surface gaps and holes of the protective layer 1, ensuring the overall waterproof effect.
[0024] Further, unlike the existing fixed support, the support frame body 3 in the embodiment includes a support plate 31 and a support joint 32 connected to the support plate 31. The support plate 31 and the support joint 32 have a hexagonal filling cavity 33 therebetween, and the filling layer 2 is arranged in the filling cavity 33. The filling cavity 33 can have various shapes such as triangle, rectangle, and hexagon according to the shapes of the support plate 31 and the support joint 32.
[0025] In addition, in order to facilitate quick assembly, the support joint 32 is in the shape of a column and has an axially extending insertion slot 34 on the side surface, the support plate 31 is provided with an insertion strip 35 which is slidably inserted into the insertion slot 34, and the cross section of the insertion slot 34 and the insertion strip 35 is in the shape of a dovetail. After the insertion slot 34 and the insertion strip 35 are inserted into each other, a radial limiting torque is generated.
[0026] Meanwhile, a closing cover 36 is threadedly connected to the end of the support joint 32, and the top of the closing cover 36 is flush with the top of the support plate 31. After the closing cover 36 is completely fixed, an axial limiting force is applied to the insertion strip 35 to prevent axial movement of the insertion strip 35.
[0027] Obviously, compared with the conventional adapter structure, the adapter assembly 5 in the embodiment includes an adapter hole 51 which is provided on the protective layer 1 and is fixedly connected to the support frame 3 by a threaded member. The protective layer 1 is fixed at multiple points and cooperates with an adhesive to ensure the fitting effect with the filling layer 2.
[0028] Obviously, the side of the protective layer 1 opposite to the support frame 3 is provided with an adapter slot 12 for insertion of the support frame 3, and an adhesive layer 13 is arranged between the adapter slot 12 and the support frame 3. The distribution state of the adapter slot 12 is consistent with that of the support plate 31.
[0029] Preferably, the partition assembly 4 includes a mesh bag 41 which is wrapped outside the filling layer 2, the mesh bag 41 is made of PP material and has a certain elasticity, and when the bearing plate is impacted and vibrated, the mesh bag 41 maintains the structural integrity of the internal filling layer 2.
[0030] Obviously, the limiting assembly 6 includes a limiting buckle 61 which is connected to the adapter assembly 5 and is hooked to the mesh bag 41 outside the filling layer 2. The limiting buckle 61 fixes the mesh bag 41 at multiple points, and the limiting buckle 61 is usually fixed on the support plate 31 or the support joint 32.
[0031] Further, foaming glue is filled between the protective layer 1 and the filling layer 2 to completely block the gap therebetween, and the cavities between the partition assemblies 4 are also filled, without affecting the overall bearing effect.
[0032] In summary, the principle of the embodiment is that the protective layer 1 and the filling layer 2 adopt a sandwich structure, the support frame 3 and the partition assembly 4 respectively improve the fixing stability of the protective layer 1 and the filling layer 2, and the limiting assembly 6 and the adapter assembly 5 ensure the horizontal orientation stability of the filling layer 2 relative to the protective layer 1.
[0033] The specific embodiments described herein are merely illustrative of the present application. Various modifications or changes can be made to the specific embodiments described herein by those skilled in the art of the present application without departing from the spirit of the present application or the scope of the appended claims.
[0034] Although the terms such as protective layer 1, waterproof and breathable film 11, adapter groove 12, adhesive layer 13, filling layer 2, support frame 3, support plate 31, support joint 32, filling cavity 33, plug-in slot 34, plug-in strip 35, closure cover 36, separation assembly 4, mesh bag 41, adapter assembly 5, adapter hole 51, limiting assembly 6, limiting buckle 61, etc. are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any additional limitation is contrary to the spirit of the present application.
Claims
1. A load-bearing plate made of low-density BMC foam material, comprising a protective layer (1) made of SMC material, wherein the protective layers (1) are stacked up and down and a filling layer (2) made of BMC material is arranged between them, characterized in that: A support frame (3) is connected between the protective layers (1), a partition assembly (4) is provided between the support frame (3) and the filling layer (2), a transition assembly (5) is provided between the protective layer (1) and the support frame (3), and a limit assembly (6) is provided between the transition assembly (5) and the partition assembly (4).
2. The load-bearing plate made of low-density BMC foam material according to claim 1, characterized in that: The outer side of the protective layer (1) is covered with a waterproof and breathable membrane (11) made of PP material, and the thickness of the waterproof and breathable membrane (11) is 0.4-1.8 mm.
3. The load-bearing plate made of low-density BMC foam material according to claim 1, characterized in that: The support frame (3) comprises a support plate (31) and a support joint (32) connected to the support plate (31); a hexagonal filling cavity (33) is left between the support plate (31) and the support joint (32); and the filling layer (2) is arranged in the filling cavity (33).
4. The load-bearing plate made of low-density BMC foam material according to claim 3, characterized in that: The support joint (32) is in the shape of a column and has a plug-in slot (34) extending axially on its side. A plug-in strip (35) is provided at the end of the support plate (31) and is slidably plugged into the plug-in slot (34). The cross-sections of the plug-in slot (34) and the plug-in strip (35) are dovetail-shaped.
5. The load-bearing plate made of low-density BMC foam material according to claim 4, characterized in that: The end of the support joint (32) is threadedly connected to a closing cover (36), and the top of the closing cover (36) is kept flush with the top of the support plate (31).
6. The load-bearing plate made of low-density BMC foam material according to claim 1, characterized in that: The adapter assembly (5) comprises an adapter hole (51) provided on the protective layer (1), and the adapter hole (51) is fixedly connected to the support frame (3) via a screw member.
7. The load-bearing plate made of low-density BMC foam material according to claim 6, characterized in that: A transition groove (12) for inserting the support frame (3) is provided on the side of the protective layer (1) opposite to the support frame (3), and an adhesive layer (13) is provided between the transition groove (12) and the support frame (3).
8. The load-bearing plate made of low-density BMC foam material according to claim 1, characterized in that: The partition assembly (4) comprises a mesh bag (41) wrapped around the outside of the filling layer (2), and the mesh bag (41) is made of PP material.
9. The load-bearing plate made of low-density BMC foam material according to claim 8, characterized in that: The limiting assembly (6) comprises a limiting buckle (61) connected to the adapter assembly (5), and the limiting buckle (61) is hooked with the mesh bag (41) outside the filling layer (2).
10. The load-bearing plate made of low-density BMC foam material according to claim 1, characterized in that: The space between the protective layer (1) and the filling layer (2) is filled with foam glue.
Citation Information
Patent Citations
Foam type color steel sandwich panel with high bearing capacity
CN217949518U