Lightweight truck carriage body with honeycomb sandwich structure
By incorporating honeycomb sandwich panels and reinforcing ribs into the cargo box, the problem of high weight in heavy-duty trucks has been solved, achieving lightweighting and increased strength, as well as improved airtightness, sound insulation, and heat insulation.
Patent Information
- Application Number
- CN202520385655.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The existing heavy-duty truck bodies are welded from steel plates, resulting in high weight and cost, failing to meet lightweight requirements, and affecting the overall load capacity of the vehicle.
The lightweight truck body adopts a honeycomb sandwich structure, which uses honeycomb sandwich panels and reinforcing ribs to reduce the weight of the truck body and increase its strength, and combines with a sealing structure to improve airtightness.
It achieves lightweighting of the truck body, reducing the overall weight, while improving the strength and airtightness of the truck body, and has good sound insulation and heat insulation performance.
Smart Images

Figure CN223750979U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of truck carriage, concretely to a lightweight truck carriage body with honeycomb sandwich structure. BACKGROUND
[0002] The existing conventional steel carriage body on the market weighs between 850kg and 1100kg, and the registration of a light truck blue plate faces the problem of whole vehicle overweight, and the whole vehicle generally exceeds 300kg with the conventional steel carriage body, and since the whole carriage body is made of steel, the lightweight space is limited while meeting the bearing demand.
[0003] Most of the heavy-duty truck carriages on the market are welded with steel plates, and although such steel plates have the advantages of high strength and wear resistance, they have obvious disadvantages of high weight and high cost, and such truck carriages cannot meet the requirement of lightweight, thus leading to the problem that the load of the truck is increased when transporting goods subsequently. UTILITARY MODEL
[0004] In view of the defects of the prior art, the utility model provides a lightweight truck carriage body with honeycomb sandwich structure to solve the problem that most of the heavy-duty truck carriages on the market are welded with steel plates, and although such steel plates have the advantages of high strength and wear resistance, they have obvious disadvantages of high weight and high cost, and such truck carriages cannot meet the requirement of lightweight, thus leading to the problem that the load of the truck is increased when transporting goods subsequently.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a lightweight truck carriage body with honeycomb sandwich structure, comprising a carriage body, a honeycomb sandwich plate arranged in the carriage body, a reinforcing rib fixedly installed on the inner wall of the four ends and the rear end of the carriage body, an opening formed in the side end face of the reinforcing rib, a first hatch opening formed in the side end face of the carriage body, a second hatch opening formed in the front end surface of the carriage body, a first sealing gasket arranged in the first hatch opening, a first hatch door rotatably installed in the first hatch opening, the first hatch door and the carriage body being connected through a first hinge, a first sealing plate fixedly installed on the inner end of the first hatch door, and a first handle arranged on the outer end surface of the first hatch door.
[0006] The honeycomb sandwich plate arranged in the car body main body can better reduce the overall weight of the truck car body, and the volume of the solid material in the conventional honeycomb sandwich plate is only 1%-3%, and the remaining space is sealed air, so it has the advantage of lightweight, and the fixed honeycomb structure of each honeycomb sandwich plate cannot move, and the dense honeycomb in the honeycomb sandwich plate can disperse the pressure from all directions, so that the plate is evenly stressed, and the strength of the pressure bearing is guaranteed, and the first hinge can drive the first door to rotate by rotating the first handle, so that the first door is opened, so that the staff can enter the car body main body from the first door, and the first sealing plate arranged in the first door can cooperate with the first sealing gasket to better improve the sealing performance of the first door.
[0007] Preferably, the second sealing gasket is arranged in the second door opening, the second door opening is rotatably installed with two second doors, and the two second doors are oppositely arranged.
[0008] The second sealing gasket is arranged in the second door opening, and the second sealing plate arranged on the second door can better improve the sealing performance of the car body main body.
[0009] Preferably, the second door and the car body main body are connected by a second hinge, the second door is provided with a second sealing plate, and the outer end surface of the second door is fixedly installed with a second handle.
[0010] The second handle can better open the second door, and the second door is connected to the car body main body by the second hinge, so that the second door can be opened by rotating.
[0011] Preferably, the first door opening on the car body main body is opposite to the opening position of the reinforcing rib.
[0012] The opening is arranged on one side of the reinforcing rib, and the position of the opening is the same as the position of the first door opening arranged on one side of the car body main body, so that the reinforcing rib can better prevent the staff from entering the car body main body.
[0013] Preferably, the material of the honeycomb sandwich plate is polypropylene material, the honeycomb sandwich plate is provided with a polypropylene film, the polypropylene film is provided with glass fiber, and the glass fiber is provided with a polypropylene plate.
[0014] Adopt above technical scheme, through the polypropylene film, glass fiber and polypropylene plate arranged outside the honeycomb sandwich panel, therefore this can improve the impact and also can better resist high temperature and oxidation, and the glass fiber is also more corrosion resistant and the strength is higher, therefore this can better improve the strength of the car body.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1、The lightweight truck body with honeycomb sandwich structure, through the honeycomb sandwich panel arranged in the car body main body, the overall weight of the truck body can be reduced, and the reinforcing ribs arranged in the car body main body can improve the overall strength of the car body main body, in the conventional honeycomb sandwich panel, the volume of solid material is only 1%-3%, and the remaining space is sealed air, therefore, it has the advantage of lightweight, and the fixed honeycomb structure of each honeycomb sandwich panel cannot move, and the dense honeycomb in the honeycomb sandwich panel can disperse the pressure from all directions, so that the stress of the plate is uniform, and the strength of the pressure bearing is guaranteed.
[0017] 2、The lightweight truck body with honeycomb sandwich structure, through the first sealing plate arranged in the first door, the first sealing plate and the first sealing gasket cooperate with each other to improve the sealing performance of the first door, the second handle is rotated to drive the second door to open through the second hinge, and the second door opening is used to send the goods to be transported into the car body main body, the second sealing gasket is arranged in the second door opening, and the second sealing plate is arranged on the second door, therefore, the sealing performance of the car body main body can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic view of the lightweight truck body of the utility model;
[0019] Figure 2 It is a top view structure schematic view of the lightweight truck body of the utility model;
[0020] Figure 3 It is a three-dimensional structure schematic view of the lightweight truck body of the utility model;
[0021] Figure 4 It is a reinforcing rib and its related structure schematic view of the utility model;
[0022] Figure 5 It is a honeycomb sandwich panel and its related structure schematic view of the utility model.
[0023] In the figure: 1, the main body of the carriage; 2, honeycomb sandwich panel; 3, reinforcing rib; 4, notch; 5, first door opening; 6, second door opening; 7, first gasket; 8, first door; 9, first hinge; 10, first sealing plate; 11, first handle; 12, second gasket; 13, second door; 14, second sealing plate; 15, second hinge; 16, second handle; 17, polypropylene film; 18, glass fiber; 19, polypropylene plate. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] Embodiment 1
[0026] Please refer to Figs. 1-5, a lightweight truck carriage body with honeycomb sandwich structure, the honeycomb sandwich panel 2 is arranged in the carriage main body 1, the reinforcing rib 3 is fixedly installed on the four end inner walls and the rear end of the carriage main body 1, the notch 4 is formed on one side end surface of the reinforcing rib 3, the first door opening 5 is formed on one side end surface position of the carriage main body 1, the first door opening 5 on the carriage main body 1 and the notch 4 formed on the reinforcing rib 3 are opposite, the material of the honeycomb sandwich panel 2 is polypropylene material, the polypropylene film 17 is arranged on the honeycomb sandwich panel 2, the glass fiber 18 is arranged on the polypropylene film 17, and the polypropylene plate 19 is arranged on the glass fiber 18.
[0027] Working principle: through the honeycomb sandwich panel 2 set in the car body 1 can better to reduce the overall weight of the truck body, and then because the car body 1 is provided with reinforcing ribs 3, so it can better to improve the overall strength of the car body 1, then the side end surface of the reinforcing rib 3 is provided with the opening 4, and the position of the opening 4 and the first door 5 of the car body 1 are in the same position, so it can better prevent the reinforcing rib 3 from affecting the staff into the car body 1, then because the honeycomb sandwich panel 2 is provided with polypropylene film 17, glass fiber 18 and polypropylene plate 19, so it can better improve the impact and also can better resist high temperature and oxidation, at the same time, the glass fiber 18 is also more corrosion resistant and the strength is higher, so it can better improve the strength of the car body 1, then in the conventional honeycomb sandwich panel, the volume of solid material is only 1%-3%, the rest of the space is sealed air, so it has the advantage of lightweight, at the same time, the sound insulation and heat insulation performance of air is better than any solid material, the propagation of heat and sound wave is greatly limited, so the honeycomb sandwich panel 2 has good sound insulation and heat insulation performance, and the honeycomb sandwich panel 2 has many mutual restraint dense honeycomb, like many small I-beams, can disperse the pressure from all directions, so as to play a shock absorbing effect, and the honeycomb core of the honeycomb sandwich panel is in vertical stress, and each honeycomb sandwich panel 2 has a fixed honeycomb structure which cannot move, and the mutual restraint dense honeycomb of the honeycomb sandwich panel 2 can disperse the pressure from all directions, so as to ensure the strength of the pressure bearing.
[0028] Example 2:
[0029] Please refer to Figs. 1-5, a kind of lightweight truck body with honeycomb sandwich structure, the side end surface position of the car body 1 is provided with first door 5, the front end surface of the car body 1 is provided with second door 6, the first door 5 is provided with first sealing pad 7, the first door 5 is rotatably installed with first door 8, the first door 8 and the car body 1 are connected by first hinge 9, the inner end of the first door 8 is fixedly installed with first sealing plate 10, the outer end surface of the first door 8 is provided with first handle 11, the second door 6 is provided with second sealing pad 12, the second door 6 is rotatably installed with two second doors 13, two second doors 13 are oppositely arranged, the second door 13 and the car body 1 are connected by second hinge 15, the second door 13 is provided with second sealing plate 14, the outer end surface of the second door 13 is fixedly installed with second handle 16.
[0030] Working principle: through the rotation first handle 11 can better make first hinge 9 drive first door 8 to rotate, so that the first compartment 5 is opened, so can better make staff from the first door 8 into the car body 1, then the first door 8 is provided with first sealing plate 10 and first sealing gasket 7 thus can better improve the airtightness of first door 8, then staff can be through the rotation second handle 16 thus make second handle 16 through second hinge 15 drive second door 13 open, when second door 13 open, staff can be through second compartment 6 to the car body 1 in the goods to be transported, then second compartment 6 is provided with second sealing gasket 12, then second door 13 is provided with second sealing plate 14 thus this can better improve the airtightness of car body 1.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A lightweight truck bed having a honeycomb sandwich structure, comprising a bed main body (1), characterized in that: The honeycomb sandwich panel (2) is arranged in the compartment body (1), the reinforcing rib (3) is fixedly installed on the inner wall of the four ends and the rear end of the compartment body (1), the notch (4) is formed in the side end face of the reinforcing rib (3), the first compartment opening (5) is formed in the side end face of the compartment body (1), the second compartment opening (6) is formed in the front end surface of the compartment body (1), the first sealing gasket (7) is arranged in the first compartment opening (5), the first compartment door (8) is rotatably arranged in the first compartment opening (5), the first compartment door (8) and the compartment body (1) are connected through the first hinge (9), the first sealing plate (10) is fixedly installed on the inner end of the first compartment door (8), and the first handle (11) is arranged on the outer end surface of the first compartment door (8).
2. The lightweight truck bed having a honeycomb sandwich structure according to claim 1, wherein: The second sealing gasket (12) is arranged in the second compartment opening (6), the two second compartment doors (13) are rotatably arranged in the second compartment opening (6), and the two second compartment doors (13) are oppositely arranged.
3. A lightweight truck bed having a honeycomb sandwich structure according to claim 2, wherein: The second compartment door (13) and the compartment body (1) are connected through the second hinge (15), the second sealing plate (14) is arranged in the second compartment door (13), and the second handle (16) is fixedly installed on the outer end surface of the second compartment door (13).
4. The lightweight truck bed having a honeycomb sandwich structure according to claim 1, wherein: The first compartment opening (5) on the compartment body (1) is opposite to the notch (4) formed on the reinforcing rib (3).
5. The lightweight truck bed having a honeycomb sandwich structure according to claim 1, wherein: The material of the honeycomb sandwich panel (2) is polypropylene, the polypropylene film (17) is arranged on the honeycomb sandwich panel (2), the glass fiber (18) is arranged on the polypropylene film (17), and the polypropylene plate (19) is arranged on the glass fiber (18).