RU63752U1 - ISOTHERMAL BODY OF THE VEHICLE - Google Patents

Abstract

The utility model relates to vehicles for the transport of goods requiring climate control, in particular to the design of insulated bodies, chambers, containers, vans for storage and transportation of refrigerated goods. The technical result, the achievement of which is aimed at creating a utility model, is to increase the heat-insulating properties of the insulated body of the vehicle. The specified technical result is achieved by the fact that in the insulated body of the vehicle containing the roof, walls, floor and door for loading and unloading cargo, the roof, floor, front wall and two side walls are made in the form of a monocoque made of fiberglass reinforced with encapsulated polyurethane foam in combination fiberglass layer - polyurethane foam layer - fiberglass layer using a seamless frameless technology. The door is made of double-leaf reinforced fiberglass with encapsulated polyurethane foam. The thickness of each fiberglass layer is 3 ... 10 mm, the thickness of the polyurethane foam layer is 40 ... 80 mm. The side walls of the monocoque have longitudinal stiffeners in the form of a thickening of the wall by 5 ... 10 mm, a width of 50 ... 100 mm. The inventive isothermal body is durable in construction, not difficult to manufacture, economical and does not require large areas for its assembly. 1 n.p. + 3 z.p. piano, 3 ill.

Description

The utility model relates to vehicles for the transport of goods requiring climate control, in particular to the design of insulated bodies, chambers, containers, vans for storage and transportation of refrigerated goods.

From the description of the patent of the Russian Federation No. 2031018, IPC 6 B60P 3/00, B62D 33/04, publ. 1995, a box body for transporting bakery products is known, which consists of a frame mounted on a car frame or trailer frame, sheathed with sheets forming the outer lining of the walls and roof. The roof has an inner lining, consisting of foam sheets, the lower smooth surface of which is formed by a ceiling. In the side or rear walls of the body made loading apertures, closed by doors. In the isothermal version of the van body, the walls and the roof are formed by metal sheets of the outer and inner linings, between which there is a layer of thermal insulation, while the foam sheets are fixed on the lower surface of the sheets of the inner roof lining. The disadvantage of this design is that due to the carved coefficient of thermal expansion of the metal sheathing sheets and foam cladding sheets, the integrity of the foam sheets is broken over time, cracks appear and, as a result, the integrity of the structure is broken.

From the description of the certificate of the Russian Federation for utility model No. 1837, IPC 6 В60Р 3/20, publ. 1996, an isothermal body is known, comprising a body made of rigidly interconnected modules mounted on a common base, each module having a welded frame sheathed inside and outside with sheet metal, a heat-insulating material located between the inner and outer skin, a refrigeration unit, evaporator. Galvanized steel sheet is used as sheet metal, and polyurethane foam is used as thermal insulation material. This isothermal body does not provide reliable thermal insulation, since thermal bridges are formed at the junction points of the modules due to metal contact, where heat (cold) is leaking from the body, and therefore, a decrease in thermal insulation properties.

Known isothermal vehicle body, protected by the patent of the Russian Federation No. 22085317, IPC 7 B60P 3/20, publ. 2003. This isothermal vehicle body contains a body made of rigidly interconnected panels mounted on a common base, each panel having a metal frame sheathed inside and outside with sheet metal, and a heat-insulating layer located between the inner and outer skin. The insulating layer of the panel includes polystyrene, at least one layer of a polymer film and wooden blocks laid in a system of cells. The cells between the wooden blocks

filled with foam. Each panel has attached to the metal frame, at least from three sides, wooden blocks, laid with an offset relative to the edges of the frame to form protrusions. The cavities formed by the protrusions of the panels when they are joined are filled with heat-insulating, for example foamy, material. The described isothermal vehicle body is distinguished by the complexity of manufacture and low corrosion resistance

Known isothermal vehicle body, protected by the patent of the Russian Federation No. 2068787, IPC 6 V60P 3/20, B61D 17/00, publ. 1996, which consists of a roof, walls and floor, as well as internal and external cladding. Between the claddings is an insulation consisting of lower and upper parts. The lower part of the insulation is adhesively (without a gap) attached (glued) to the outer and inner skins, i.e. the lower body is a sandwich construction. In the inner cavity of the roof and the upper part of the walls, there are gaps between the upper part of the insulation and the external and internal claddings, the presence of which does not allow for proper tightness during operation.

As a prototype of the claimed technical solutions adopted isothermal body containing a roof, walls, floor and door for loading and unloading cargo. The door is equipped with an external bolt lock with hooks and mounted on hinges (see the description of the patent of the Russian Federation No. 2268828, IPC 7 В60Р 3/20, B61D 19/00, B60J 5/00, ЕВВ 65/12, publ. 2006).

All the described structures do not allow to obtain high thermal insulation properties.

The technical result, the achievement of which is aimed at creating a utility model, is to increase the heat-insulating properties of the insulated body of the vehicle.

The specified technical result is achieved by the fact that in the insulated body of the vehicle containing the roof, walls, floor and door for loading and unloading cargo, the roof, floor, front wall and two side walls are made in the form of a monocoque made of fiberglass reinforced with encapsulated polyurethane foam in combination fiberglass layer - polyurethane foam layer - fiberglass layer using a seamless frameless technology. The door is made of double-leaf reinforced fiberglass with encapsulated polyurethane foam. The thickness of each fiberglass layer is 3 ... 10 mm, the thickness of the polyurethane foam layer is 40 ... 80 mm. The side walls of the monocoque have longitudinal stiffeners in the form of a thickening of the wall by 5 ... 10 mm, a width of 50 ... 100 mm.

The claimed isothermal vehicle body meets the criteria of patentability “novelty” and “industrial applicability”, since when conducting patent research no technical solutions with the same

a set of essential features, and the manufacture of the claimed isothermal housing can be carried out using well-known technical solutions.

The utility model is illustrated by drawings. Figure 1 shows the claimed isothermal body on the chassis of a Porter Hyundai car, side view; figure 2 - isothermal body on the chassis of the car Porter Hyundai, rear view; figure 3 is a section along aa. In figure 1 ... 3 the numbers denote:

1 - car chassis;

2 - a roof of an isothermal body;

3 - floor isothermal body;

4 - front wall of an isothermal body;

5 - stiffener on the side walls;

6, 7 - side walls;

8 - double door;

9 - barbell door lock;

10 - hinged door hinges;

11 - handle barbell door lock;

12 - a double rubber sealant;

13 - the outer layer of fiberglass;

14 - a layer of polyurethane foam;

15 - the inner layer of fiberglass.

The insulated body of the vehicle (Figs. 1 and 2) contains 1 monocoque mounted on the car chassis (English, French monocoque, from Greek monos - one, single and French coque, literally - shell, shell), including a roof 2, floor 3, front wall 4 and side walls 5, 6. The rear wall is a double-leaf door 7 with a bolt lock 10. The door 7 is mounted on hinges 11 mounted on the ends of the side walls 5 and 6. There is a double rubber seal around the perimeter of the door 7 10. Side walls 5 and 6 may have stiffeners 12 in the form of thickening walls 5 ... 10 mm wide, 50 ... 100 mm wide. The monocoque (Fig. 3) is made of fiberglass reinforced with encapsulated polyurethane foam using a seamless frameless technology (a layer of polyurethane foam is adhesively fixed between the inner and outer skin of reinforced fiberglass). The thickness of the layer of reinforced fiberglass is from 3 to 10 mm, the thickness of the layer of polyurethane foam is from 40 to 80 mm. Embedded parts for installing refrigeration equipment may be provided in the front wall. The rear wall consists of a double-wing door 7. The structural material of each door leaf is similar to the structural material of the monocoque - reinforced fiberglass with encapsulated polyurethane foam. A double rubber seal 10 is installed around the perimeter of each door. The side walls can have additional doors, the design of which is similar to the design of the rear doors (with double seal).

An isothermal body can be equipped with refrigeration and heating systems, depending on its purpose.

The manufacture of an isothermal body can be carried out by contact molding of fiberglass reinforcing materials impregnated with unsaturated polyester resins on matrices followed by catalytic curing of the laminate. As a glass material, a bundle of continuous glass fiber strands chopped into chopsticks 8-50 mm long can be used. Polyester resins are used to impregnate glass material. As a protective and decorative coating on the external surface, special gelcoat brands can be used, which have excellent corrosion resistance, low water absorption characteristics and are not exposed to aquatic microorganisms. For thermal insulation between the layers of fiberglass, rigid polyurethane foam with a density of 50 ... 80 kg / m3 is used.

The manufacture of an insulated body is carried out in the following sequence. A full-scale master model is made using wooden structures, glue, and putty. The inverse working matrix is made on the master model. A gelcoat layer with a catalyst of the required thickness is uniformly applied to the surface of the reverse matrix with the applied separation layer using the Applicator. After curing the gelcoat, a mixture of fiberglass with a polyester resin 3 ... 10 mm thick is sequentially sprayed onto the matrix. At the end of the curing of the resin reinforced with glass material, polyurethane foam panels are glued onto the surface of the fiberglass, cracks and irregularities are sealed and ground. Next, a layer of reinforced fiberglass with a thickness of 3 ... 5 mm is applied to the polyurethane surface, then a 2 ... 3 mm thick galcout layer, after hardening of which the matrix is removed and doors previously manufactured using the same technology are installed on the body.

The inventive isothermal body is durable in construction, not difficult to manufacture, economical and does not require large areas for its assembly. The increase in thermal insulation properties is achieved by the fact that the monocoque does not have gaps and fuel elements and due to the thermal insulation properties used in the manufacture of materials.

Claims (4)

1. An insulated vehicle body containing a roof, walls, floor and door for loading and unloading cargo, characterized in that the roof, floor, front wall and two side are made in the form of a monocoque made of fiberglass reinforced with encapsulated polyurethane foam in combination with a fiberglass layer - a layer of polyurethane foam - a fiberglass layer using a seamless frameless technology. 2. The isothermal body according to claim 1, characterized in that the door is made of double-leaf reinforced fiberglass with encapsulated polyurethane foam. 3. The isothermal body according to claim 1 and / or 2, characterized in that the thickness of each fiberglass layer is 3 ... 10 mm, and the thickness of the polyurethane foam layer is 40 ... 80 mm. 4. The isothermal body according to claim 1, characterized in that the side walls of the monocoque have longitudinal stiffeners in the form of thickening the walls by 5 ... 10 mm wide 50 ... 100 mm.