Movable heat preservation box
By adopting standard square tube profiles and split secondary foaming structures, the existing mobile insulation box frame is solved, and the insulation effect and sealing are improved, and the cold storage transportation capacity is achieved.
Patent Information
- Application Number
- CN202421590010.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-05
AI Technical Summary
The main frame of the existing mobile insulation box is prone to deformation due to internal stress caused by welding and cutting, complex assembly, low overall strength, poor insulation effect, and simple sealing structure between the door frame plate and the door, which is prone to air conditioning leakage.
Standard square tube profiles are used as the main frame to simplify structural design and processing technology and increase overall strength; split secondary foam structure is adopted, welding and assembly is used to enhance the strength of the box; cold-free bridge design and polyurethane foaming materials are used to improve the insulation effect; fiberglass is used for the outer skin, and a step-type sealing structure is used between the door frame plate and the door to improve the sealing effect.
It reduces manufacturing and maintenance costs, avoids deformation caused by internal stress, improves overall strength and insulation effect, ensures full load lifting capacity during movement, and significantly improves air-conditioning sealing.
Smart Images

Figure CN222906437U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of heat preservation boxes, and in particular relates to a mobile heat preservation box. Background Art
[0002] With the rapid development of the cold chain logistics industry, cold storage has become one of the important infrastructures and plays an important role in all walks of life. As a facility specially used for storing and preserving refrigerated items, cold storage has irreplaceable uses. Mobile cold storage has the advantages of high flexibility, energy saving and environmental protection, low investment cost, convenient maintenance, wide application scenarios and high safety in the field of cold chain logistics. Its modular design, rapid deployment and mobility make it a revolutionary solution for cold chain logistics and will play an important role in the market in the future. Mobile cold storage usually consists of two parts: an insulated box and a refrigeration unit. As an important part of mobile cold storage, the insulated box plays an important role.
[0003] In the prior art, the main frame of the insulation box is mostly made of sheet metal bending parts or customized parts, which are easy to generate internal stress during welding and cutting, resulting in deformation of the box, and the assembly is relatively complicated. At the same time, most of the existing insulation boxes use multiple rock wool sandwich insulation panels fixed on the outer frame by rivets to form the wall, bottom and top surfaces of the insulation box, resulting in low overall strength of the insulation box and poor insulation effect, which cannot meet the full load lifting during movement. The outer skin of the insulation box is mostly metal skin, which has poor insulation effect, is not beautiful and is not corrosion-resistant. The sealing structure between the door frame plate and the door of the existing insulation box is relatively simple, which is easy to cause cold air leakage during subsequent movement. For this reason, the utility model proposes a mobile insulation box. Utility Model Content
[0004] The purpose of the utility model is to provide a mobile heat preservation box to solve the problems raised in the above background technology.
[0005] To achieve the above purpose, the utility model provides the following technical solutions: a mobile heat preservation box, comprising
[0006] Base plate;
[0007] Side panels welded and fixed on both sides of the top of the bottom plate;
[0008] The door frame plate is welded and fixed to the top front side of the base plate;
[0009] The front wall is welded and fixed to the rear side of the top of the base plate;
[0010] Top plate welded and fixed to the side panels, door frame panels and top of the front wall;
[0011] The bottom plate, side plates, door frame plates, front wall and top plate constitute the thermal insulation box body.
[0012] Preferably, it also includes a door body rotatably connected to the door frame plate, including a fiberglass profile 2, two fiberglass plates 6 respectively fixed on the inner and outer surfaces of the fiberglass profile 2, and a hinge installed on the surface of one of the fiberglass plates 6, a rubber sealing strip is provided on the edge surface of the fiberglass profile 2, and a pressure sealing strip is installed on the inner folded edge of the fiberglass profile 2.
[0013] Preferably, the base plate includes a carbon steel square tube, a carbon steel plate fixed to the bottom of the carbon steel square tube, and a glass fiber reinforced plastic plate fixed to the top of the carbon steel square tube. The space between the glass fiber reinforced plastic plate and the carbon steel plate and the inner side of the carbon steel square tube are filled with polyurethane foam, and an aluminum patterned anti-skid plate is fixed to the top surface of the glass fiber reinforced plastic plate.
[0014] Preferably, the side panel includes two FRP plates 2, polyurethane foam is filled between the two FRP plates 2, the side panel also includes a plurality of high-strength embedded parts embedded between the two FRP plates 2, and the side panel also includes a carbon steel bending part, which is fixed to the side of one of the FRP plates 2.
[0015] Preferably, the door frame plate includes a carbon steel square tube 2, two glass fiber reinforced plastic plates 3 respectively fixed on the inner and outer surfaces of the carbon steel square tube 2, and a glass fiber reinforced plastic profile 1 fixed at the inner notches of the two glass fiber reinforced plastic plates 3, and polyurethane foam is filled between the two glass fiber reinforced plastic plates 3.
[0016] Preferably, the front wall includes a carbon steel square tube three, two glass fiber reinforced plastic plates four respectively fixed on the inner and outer surfaces of the carbon steel square tube three, and the space between the two glass fiber reinforced plastic plates four and the inner side of the carbon steel square tube three are filled with polyurethane foam.
[0017] Preferably, the top plate includes a carbon steel square tube four, and two glass fiber reinforced plastic plates five respectively fixed on the upper and lower surfaces of the carbon steel square tube four, and the space between the two glass fiber reinforced plastic plates five and the inner side of the carbon steel square tube four are filled with polyurethane foam.
[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: the main frame of the utility model adopts standard square tube profiles instead of sheet metal bending parts or customized parts by mold opening, which optimizes the structural design, simplifies the processing technology, reduces the manufacturing and maintenance costs, and can avoid the deformation of the box caused by internal stress generated during a large number of welding and cutting processes. The utility model adopts a split secondary foaming structure, and the surrounding wall panels are welded to the top and bottom panels after molding, which increases the overall strength and can be lifted at full load; the box insulation adopts a cold bridge-free design, and the insulation layer adopts polyurethane foam material, which has better insulation effect than traditional insulated containers and improves the energy efficiency of the cold storage. The outer skin also adopts fiberglass, which not only improves the overall appearance, but also has excellent weather resistance and easy insulation. A stepped sealing structure is adopted between the door frame plate and the door of the insulation box, and the door frame is made of fiberglass, without cold bridges and with good sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 It is an exploded view of the utility model;
[0021] Figure 3 It is a partial cross-sectional view of the bottom plate of the utility model;
[0022] Figure 4 It is a partial cross-sectional view of the side panel of the utility model;
[0023] Figure 5 It is a cross-sectional view of the door frame plate of the utility model;
[0024] Figure 6 It is a cross-sectional view of the connection between the door body and the door frame plate of the utility model;
[0025] Figure 7 It is a partial cross-sectional view of the front wall of the utility model;
[0026] Figure 8 It is a partial cross-sectional view of the top plate of the utility model;
[0027] Fig. 9 It is a partial cross-sectional view of the door body of the utility model;
[0028] In the figure: 1. Bottom plate; 12. Glass fiber reinforced plastic plate 1; 13. Carbon steel square tube 1; 14. Carbon steel plate; 15. Aluminum pattern anti-skid plate; 2. Side plate; 21. Glass fiber reinforced plastic plate 2; 22. Carbon steel bending parts; 23. High-strength embedded parts; 3. Door frame plate; 31. Carbon steel square tube 2; 32. Glass fiber reinforced plastic profile 1; 34. Glass fiber reinforced plastic plate 3; 4. Front wall; 41. Carbon steel square tube 3; 42. Glass fiber reinforced plastic plate 4; 5. Top plate; 51. Glass fiber reinforced plastic plate 5; 52. Carbon steel square tube 4; 6. Door body; 61. Rubber sealing strip; 62. Glass fiber reinforced plastic profile 2; 63. Glass fiber reinforced plastic plate 6; 64. Hinge; 65. Pressed sealing strip; 7. Corner piece; 8. Polyurethane foam. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] Example
[0031] See also Figures 1 to 9 , is an embodiment of the utility model, which provides a technical solution: a mobile thermal insulation box, comprising
[0032] The bottom plate 1 includes a carbon steel square tube 13, a carbon steel plate 14 welded and fixed to the bottom of the carbon steel square tube 13, and a glass fiber reinforced plastic plate 12 welded and fixed to the top of the carbon steel square tube 13. The glass fiber reinforced plastic plate 12 and the carbon steel plate 14 and the inner side of the carbon steel square tube 13 are filled with polyurethane foam 8. The top surface of the glass fiber reinforced plastic plate 12 is welded and fixed with an aluminum pattern anti-skid plate 15, so that personnel can enter the box body and operate the goods more safely;
[0033] The side panels 2 welded and fixed on both sides of the top of the bottom plate 1 include two glass fiber reinforced plastic plates 21, between which polyurethane foam 8 is filled, and the side panels 2 also include carbon steel bending parts 22, which are welded and fixed on the side of one of the glass fiber reinforced plastic plates 21, and the side panels 2 also include a plurality of high-strength embedded parts 23 embedded between the two glass fiber reinforced plastic plates 21, so that the side panels 2 can be fixed more firmly, and the high-strength embedded parts 23 can also be used for subsequent fixing of shelves or other equipment in the box;
[0034] The door frame plate 3 welded and fixed to the top front side of the bottom plate 1 includes a carbon steel square tube 2 31, two glass fiber reinforced plastic plates 3 34 welded and fixed to the inner and outer surfaces of the carbon steel square tube 2 31, and a glass fiber reinforced plastic profile 1 32 welded and fixed to the inner notches of the two glass fiber reinforced plastic plates 3 34, and the space between the two glass fiber reinforced plastic plates 3 34 is filled with polyurethane foam 8;
[0035] The door body 6 rotatably connected to the door frame plate 3 includes a glass fiber reinforced plastic profile 2 62, two glass fiber reinforced plastic plates 63 respectively welded and fixed to the inner and outer surfaces of the glass fiber reinforced plastic profile 2 62, and a hinge 64 installed on the surface of one of the glass fiber reinforced plastic plates 63 by screws. The other end of the hinge 64 is subsequently fixed to the door frame plate 3 to achieve a smooth rotation connection between the door body 6 and the door frame plate 3. A rubber sealing strip 61 is glued on the surface of the edge of the glass fiber reinforced plastic profile 2 62, and a compression sealing strip 65 is glued on the inner folding edge of the glass fiber reinforced plastic profile 2 62. The rubber sealing strip 61 and the compression sealing strip 65 are both made of fluororubber. The rubber sealing strip 61 and the compression sealing strip 65 form a unique stepped sealing structure with double-layer sealing, one layer of side sealing, and one layer of compression sealing;
[0036] The front wall 4 welded and fixed to the rear side of the top of the bottom plate 1 includes a carbon steel square tube 3 41, two glass fiber reinforced plastic plates 42 welded and fixed to the inner and outer surfaces of the carbon steel square tube 3 41, and the space between the two glass fiber reinforced plastic plates 42 and the inner side of the carbon steel square tube 3 41 are filled with polyurethane foam 8;
[0037] The top plate 5 welded and fixed to the side plate 2, the door frame plate 3 and the top of the front wall 4 includes a carbon steel square tube 4 52, two glass fiber reinforced plastic plates 51 welded and fixed to the upper and lower surfaces of the carbon steel square tube 4 52, and the space between the two glass fiber reinforced plastic plates 51 and the inner side of the carbon steel square tube 4 52 are filled with polyurethane foam 8;
[0038] The bottom plate 1, the side plate 2, the door frame plate 3, the front wall 4, the top plate 5 and the door body 6 are welded to form an insulation box body. Since the frames of the bottom plate 1, the door frame plate 3, the front wall 4 and the top plate 5 are all made of carbon steel square tubes, the frame of the entire insulation box body is made of carbon steel square tubes, and the square tubes are standard parts and easy to purchase. The inner and outer lining plates of the box body are made of low thermal conductivity fiberglass plates, and carbon steel bending parts 22 are designed around them. This not only makes the production process easy to implement, but also increases the overall strength, while also cutting off the thermal bridge, so that the insulation performance is better.
[0039] It also includes four corner pieces 7 , which are respectively welded and fixed at the four corners of the top plate 5 .
[0040] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mobile thermal insulation box, characterized in that: include Bottom plate (1); Side plates (2) are welded and fixed to both sides of the top of the bottom plate (1); A door frame plate (3) welded and fixed to the top front side of the base plate (1); A front wall (4) welded and fixed to the top rear side of the base plate (1); A top plate (5) welded and fixed to the side plates (2), the door frame plate (3) and the top of the front wall (4); The bottom plate (1), the side plates (2), the door frame plate (3), the front wall (4) and the top plate (5) form a heat preservation box body; It also includes a door body (6) rotatably connected to the door frame plate (3), including a second glass fiber reinforced plastic profile (62), two glass fiber reinforced plastic plates (63) respectively fixed to the inner and outer surfaces of the second glass fiber reinforced plastic profile (62), and a hinge (64) installed on the surface of one of the six glass fiber reinforced plastic plates (63). The edge of the second glass fiber reinforced plastic profile (62) is provided with a rubber sealing strip (61), and the inner folding edge of the second glass fiber reinforced plastic profile (62) is provided with a compression sealing strip (65). The bottom plate (1) includes a carbon steel square tube (13), a carbon steel square tube (13) fixed to the carbon steel square tube (13). (13) a carbon steel plate (14) at the bottom, a glass fiber reinforced plastic plate (12) fixed on the top of the carbon steel square tube (13), the space between the glass fiber reinforced plastic plate (12) and the carbon steel plate (14) and the inside of the carbon steel square tube (13) are filled with polyurethane foam (8), the top surface of the glass fiber reinforced plastic plate (12) is fixed with an aluminum pattern anti-skid plate (15), the side plate (2) includes two glass fiber reinforced plastic plates (21), the space between the two glass fiber reinforced plastic plates (21) is filled with polyurethane foam (8), the side plate (2) also includes a pre-buried The side panel (2) further comprises a plurality of high-strength embedded parts (23) between the two glass fiber reinforced plastic plates (21), the side panel (2) further comprising a carbon steel bent part (22), the carbon steel bent part (22) being fixed at the side edge of one of the glass fiber reinforced plastic plates (21), the door frame plate (3) comprising a carbon steel square tube (31), two glass fiber reinforced plastic plates (34) respectively fixed at the inner and outer surfaces of the carbon steel square tube (31), and a glass fiber reinforced plastic profile (32) fixed at the inner notches of the two glass fiber reinforced plastic plates (34), and polyurethane foam (8) is filled between the two glass fiber reinforced plastic plates (34), The front wall (4) comprises a carbon steel square tube (41), two glass fiber reinforced plastic plates (42) respectively fixed on the inner and outer surfaces of the carbon steel square tube (41), and the space between the two glass fiber reinforced plastic plates (42) and the inner side of the carbon steel square tube (41) are filled with polyurethane foam (8). The top plate (5) comprises a carbon steel square tube (52), two glass fiber reinforced plastic plates (51) respectively fixed on the upper and lower surfaces of the carbon steel square tube (52), and the space between the two glass fiber reinforced plastic plates (51) and the inner side of the carbon steel square tube (52) are filled with polyurethane foam (8).