FRP (Fiber Reinforce Plastic) edge sealing compartment plate structure
By designing FRP profiles and steel plate channels, combined with PU foam cores and plywood, the warping and deformation problems of refrigerated truck body panels were solved, improving the stability and insulation performance of the refrigerated truck body panels, enhancing corrosion resistance, and extending service life.
Patent Information
- Application Number
- CN202520072821.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-13
AI Technical Summary
The metal frame of existing refrigerated truck body panels is prone to warping and deformation during the welding process, resulting in low panel manufacturing efficiency and insufficient thermal insulation performance.
FRP profiles are spliced together and steel plate grooves and steel plates are set at the bottom. Combined with PU foam core and plywood, the connection strength and load-bearing capacity are enhanced, and the thermal insulation performance and corrosion resistance are improved by FRP skin and CFRT skin.
This improved the stability and thermal insulation performance of the panels, reduced warping and deformation, enhanced the sealing and corrosion resistance of the structure, and extended its service life.
Smart Images

Figure CN223574538U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a compartment plate structure, more specifically, it relates to a FRP edge sealing compartment plate structure. BACKGROUND
[0002] The refrigerated truck is widely used in the transportation of goods needing low-temperature preservation, such as frozen food, dairy products, vegetables and fruits, and vaccines and medicines; since it can keep the goods in a low-temperature environment, effectively prolonging the shelf life, it occupies an important position in the cold chain logistics, and the compartment plate is a key component of the refrigerated truck, which is usually composed of inner and outer skins, a thermal insulation layer and a framework; the inner and outer skins are mostly glass fiber reinforced plastic plates, stainless steel plates or aluminum alloy plates, the thermal insulation layer is generally hard polyurethane foam or polystyrene foam, and the framework is made of metal or wood structure.
[0003] In the prior art, the metal framework is unstable in processing and welding of metal parts, which may cause warping after welding, and the thin-walled material is prone to bending and deformation, affecting the plate making efficiency.
[0004] Therefore, a new technical solution is needed to solve the above technical problems. UTILITY MODEL CONTENT
[0005] In view of the deficiencies in the prior art, the utility model aims to provide a FRP edge sealing compartment plate structure.
[0006] The above technical purpose of the utility model is realized by the following technical scheme: a FRP edge sealing compartment plate structure, comprising an outer frame assembly and an inner filling assembly, the outer frame assembly comprises two first FRP profiles and two second FRP profiles, the first FRP profile is spliced to the second FRP profile, the first FRP profile and the second FRP profile are provided with steel plate grooves at the bottom, the inner filling assembly comprises a steel plate arranged on the surface of the steel plate groove, the steel plate is provided with a plurality of PU foam cores at the bottom, the PU foam cores are provided with four plywood boards around, and the plywood boards are bonded to the steel plate at the top and to the PU foam cores at the inner side.
[0007] By adopting the above technical scheme: the first FRP profile spliced to the second FRP profile can increase the connection strength of the structure, making the overall structure more stable; the steel plate grooves are arranged at the bottom of the FRP profile, and the steel plate is arranged on the surface, which can further enhance the carrying capacity of the structure; the steel plate has high strength and rigidity, which can effectively support and fix the FRP profile, preventing it from deforming or displacing; the PU foam core can effectively block the transfer of heat, improving the overall thermal insulation performance. The plywood boards are wrapped around the periphery of the PU foam core and bonded to the steel plate and the PU foam core, which can enhance the sealing property of the structure and prevent air and moisture penetration.
[0008] The utility model further sets up: the first FRP section material top has set up the first splicing groove of the convex character, the second FRP section material top has set up the second splicing groove of the convex character, the first FRP section material and second FRP section material surface bolt connection has the I -beam, the I -beam can be inserted first splicing groove and second splicing groove simultaneously.
[0009] The utility model further sets up: the steel plate groove is provided with sealing rubber strip.
[0010] The utility model further sets up: PU foam core surface is provided with pipe goods groove.
[0011] The utility model further sets up: two the second FRP section material one side extends and is provided with connecting plate, is set up in a plurality of connecting holes on the connecting plate surface.
[0012] The utility model further sets up: the first FRP section material extends and has first wrapping board to the direction of apart connecting plate, the second FRP section material extends and has second wrapping board to the direction of apart connecting plate, and the first wrapping board and second wrapping board are used for wrapping steel sheet and plywood, the first wrapping board is inserted in second wrapping board, and the opposite two sides of first wrapping board are provided with the plug -in column, and the both ends of the inboard of second wrapping board are set up the plug -in hole for the plug -in block insertion.
[0013] The utility model further sets up: the first FRP section material and second FRP section material surface place have a FRP skin.
[0014] The utility model further sets up: PU foam core surface place has a CFRT skin.
[0015] The utility model has the following beneficial effects: 1. the first FRP section material splicing in the second FRP section material can enhance structural strength, so that the overall structure is more stable.
[0016] 2. The setting of steel plate can further enhance the carrying capacity of structure, and the sealing rubber strip in the steel plate groove can enhance the sealing property in the compartment.
[0017] 3. FRP skin makes compartment have good corrosion resistance and air tightness, can keep the temperature and humidity inside the car, reduces energy loss, effectively insulates the influence of outside temperature on the inside of car.
[0018] 4. Pipe goods groove can effectively support and fix goods, prevent goods from moving or falling in the transportation process, ensure the stability and safety of goods.
[0019] 5. CFRT skin is not easy to rust and corrosion, and is not easy to age and powder, and the service life is longer. DRAWINGS
[0020] Figure 1 It is a perspective structural schematic view of the embodiment;
[0021] Figure 2 It is an exploded structural schematic view of the outer frame assembly of the embodiment;
[0022] Figure 3 It is a partial enlarged view of A in the embodiment;
[0023] Figure 4 It is an exploded structural schematic view of the inner filling assembly of the embodiment.
[0024] BRIEF DESCRIPTION OF DRAWINGS: 1, first FRP profile; 2, second FRP profile; 3, steel plate groove; 4, steel plate; 5, PU foam core; 6, plywood; 7, first splicing groove; 8, second splicing groove; 9, I-shaped block; 10, sealing rubber strip; 11, pipe cargo groove; 12, connecting plate; 13, connecting hole; 14, first wrapping plate; 15, second wrapping plate; 16, plug-in column; 17, plug-in hole; 18, FRP skin; 19, CFRT skin. DETAILED DESCRIPTION
[0025] The utility model will be further explained in detail in connection with the drawings.
[0026] Wherein, same parts are indicated by same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.
[0027] As shown in Figure 1 , Figure 2 and Figure 4 , an FRP edge sealing compartment plate structure comprises an outer frame assembly and an inner filling assembly, the outer frame assembly comprises two first FRP profiles 1 and two second FRP profiles 2, the first FRP profiles 1 are spliced to the second FRP profiles 2, the first FRP profiles 1 and the second FRP profiles 2 are provided with steel plate grooves 3 at the bottom, the inner filling assembly comprises steel plates 4 arranged on the surfaces of the steel plate grooves 3, the steel plates 4 are provided with a plurality of PU foam cores 5 at the bottom, the PU foam cores 5 are provided with four plywood 6 around, the plywood 6 is bonded to the steel plates 4 at the top, and the inner side of the plywood 6 is bonded to the PU foam cores 5.
[0028] The FRP profile is not easy to deform when being cut arbitrarily, and the surface flatness is within 0.2 mm when the compartment plates are combined, the first FRP profile 1 is spliced to the second FRP profile 2 to increase the connection strength of the structure, and the overall structure is more stable; the steel plate 4 groove 3 is arranged at the bottom of the FRP profile, and the steel plate 4 is arranged on the surface, which can further enhance the carrying capacity of the structure; the steel plate 4 has high strength and rigidity, which can effectively support and fix the FRP profile to prevent deformation or displacement; the PU foam core 5 can effectively block the transfer of heat and improve the overall thermal insulation performance. The plywood 6 is wrapped around the periphery of the PU foam core 5 and bonded to the steel plate 4 and the PU foam core 5, which can enhance the sealing of the structure and prevent air and moisture penetration.
[0029] The first FRP profile 1 has a first splicing groove 7 in the shape of a Chinese character at the top, the second FRP profile 2 has a second splicing groove 8 in the shape of a Chinese character at the top, and the first FRP profile 1 and the second FRP profile 2 are bolted with an I-shaped block 9 on the surface, and the I-shaped block 9 can be inserted into the first splicing groove 7 and the second splicing groove 8 at the same time; the two Chinese-character-shaped splicing grooves can form an I-shaped splicing groove together, and the formed splicing groove allows the I-shaped block 9 to be inserted, and after the I-shaped block 9 is inserted into the splicing groove, the splicing groove and the I-shaped block 9 make the connection process easy to realize positioning, and the bolt connection makes the I-shaped block 9 not easy to fall off from the splicing groove, which is conducive to enhancing the overall structural strength of the compartment plate.
[0030] The steel plate groove 3 is provided with a sealing rubber strip 10; the sealing rubber strip 10 can improve the sealing performance of the compartment body and effectively prevent dust and other substances from entering.
[0031] The PU foam core 5 has a pipe cargo groove 11 on the surface; the pipe cargo groove 11 is designed with a recess, which can effectively support and fix the goods to prevent the goods from moving or falling during transportation, ensure the stability and safety of the goods, and reduce the direct contact between the goods and the inner wall of the compartment, thereby avoiding damage to the goods due to friction during transportation and reducing the wear of the inner wall of the compartment.
[0032] The two second FRP profiles 2 have a connecting plate 12 extending on one side, and a plurality of connecting holes 13 are arranged on the surface of the connecting plate 12; the connecting plate 12 and the connecting holes 13 are used to connect other boxes, and the plurality of connecting holes 13 arranged on the connecting plate 12 can be connected by bolts, nuts and other fasteners.
[0033] The first FRP profile 1 extends in the direction of the opposite connecting plate 12 with a first wrapping plate 14, and the second FRP profile 2 extends in the direction of the opposite connecting plate 12 with a second wrapping plate 15, the first wrapping plate 14 and the second wrapping plate 15 are used for wrapping the steel plate 4 and the plywood 6, the first wrapping plate 14 is inserted into the second wrapping plate 15, and the opposite two sides of the first wrapping plate 14 are provided with insertion columns 16, and the two ends of the inner side of the second wrapping plate 15 are provided with insertion holes 17 for inserting the insertion blocks.
[0034] The first wrapping plate 14 and the second wrapping plate 15 tightly combine the components together to form a more stable overall structure, so that the steel plate 4 and the plywood 6 are not easy to fall off, the insertion columns 16 and the insertion holes 17 can increase the overall structure strength of the compartment plate and facilitate installation, the existence of the wrapping plate can better resist deformation and damage when the overall structure is subjected to external force, and the first wrapping plate 14 and the second wrapping plate 15 can effectively protect the steel plate 4 from being corroded by the external environment and prolong the service life of the steel plate 4.
[0035] The first FRP profile 1 and the second FRP profile 2 are provided with an FRP skin 18 on the surface.
[0036] The FRP skin 18 has good corrosion resistance, so that the compartment plate can resist the corrosion of moisture and chemicals and increase the service life of the compartment plate, has good air tightness, can maintain the temperature and humidity inside the compartment, reduces energy loss, has a lower thermal conductivity, can effectively isolate the influence of external temperature on the inside of the compartment, and can ensure the freshness of food inside the compartment.
[0037] The PU foam core 5 is provided with a CFRT skin 19 on the surface; the CFRT skin 19 is not easy to rust and corrode, and is not easy to age and powder, and has a longer service life.
[0038] The scheme of the present application makes the compartment plate not warped and deformed, has high flatness, and only the skin circle needs to be repaired in the later engraving, without other processing.
[0039] The installation method is as follows: when assembling, a pre-assembling person pre-assembles all the materials in the thermal insulation layer according to the drawing structure, a pressing person places the pre-assembled thermal insulation layer (FRP profile, PU foam core 5, steel plate 4, plywood 6 and other components) above the FRP skin 18, and then places a CFRT skin 19 to complete the pre-assembly.
[0040] The specific embodiments are only an explanation of the present application, and are not a limitation of the present application, and a person skilled in the art can make a modification without creative contribution according to the needs after reading the present application, but as long as the modification is within the scope of the claims of the present application, it is protected by the patent law.
Claims
1. An FRP (fiberglass reinforced plastic) edge-sealed panel structure, characterized in that: The device includes an outer frame assembly and an inner filling assembly. The outer frame assembly includes two first FRP profiles (1) and two second FRP profiles (2). The first FRP profiles (1) are spliced to the second FRP profiles (2). The bottom of the first FRP profiles (1) and the second FRP profiles (2) are provided with steel plate grooves (3). The inner filling assembly includes a steel plate (4) disposed on the surface of the steel plate groove (3). Several PU foam cores (5) are disposed at the bottom of the steel plate (4). Four plywoods (6) are disposed around the PU foam cores (5). The top of the plywoods (6) is bonded to the steel plate (4), and the inside of the plywoods is bonded to the PU foam cores (5).
2. The FRP edge-sealed panel structure according to claim 1, characterized in that: The first FRP profile (1) has a convex first splicing groove (7) on its top, and the second FRP profile (2) has a convex second splicing groove (8) on its top. The first FRP profile (1) and the second FRP profile (2) are bolted with I-shaped blocks (9), and the I-shaped blocks (9) can be inserted into the first splicing groove (7) and the second splicing groove (8) at the same time.
3. The FRP edge-sealed panel structure according to claim 2, characterized in that: A sealing strip (10) is provided inside the steel plate groove (3).
4. The FRP edge-sealed panel structure according to claim 3, characterized in that: The surface of the PU foam core (5) is provided with a tubing groove (11).
5. The FRP edge-sealed panel structure according to claim 4, characterized in that: Two second FRP profiles (2) have a connecting plate (12) extending from one side, and the surface of the connecting plate (12) has a plurality of connecting holes (13).
6. The FRP edge-sealed panel structure according to claim 5, characterized in that: The first FRP profile (1) extends a first wrapping plate (14) in the direction of the connecting plate (12), and the second FRP profile (2) extends a second wrapping plate (15) in the direction of the connecting plate (12). The first wrapping plate (14) and the second wrapping plate (15) are used to wrap the steel plate (4) and the plywood (6). The first wrapping plate (14) is inserted into the second wrapping plate (15). Insertion posts (16) are provided on opposite sides of the first wrapping plate (14), and insertion holes (17) for inserting plug blocks are opened at both ends of the inner side of the second wrapping plate (15).
7. The FRP edge-sealed panel structure according to claim 6, characterized in that: An FRP skin (18) is placed on the surface of the first FRP profile (1) and the second FRP profile (2).
8. The FRP edge-sealed panel structure according to claim 7, characterized in that: A CFRT skin (19) is placed on the surface of the PU foam core (5).