CN201045094Y - Refrigerated container - Google Patents

Abstract

Provided is a refrigerated container. A bottom board of the utility model comprises a floor arranged in a box body, a waved assistant floor positioned outside the box body, and a foaming material layer for filling arranged between the floor and the assistant floor. The assistant floor is connected to a bottom lateral beam, the waved assistant floor comprises a plurality of peaks and wave bottoms which are in the same shape and are in sequential and alternate arrangement, wave inclined edges are arranged between the peaks and the wave bottoms, and the wave inclined edges are characterized in that included angles of the wave inclined edges and the horizontal direction are smaller than 45 degrees. Compared with the existing technology, the utility model has the advantaged of high welding quality, convenient painting, low cost, high production efficiency, good rigidity and the like.

Description

Refrigerated container

Technical field

The utility model relates to a kind of freight container, and is especially relevant with a kind of improved type base plate that is used for refrigerated container.

Background technology

Existing refrigerated container, its base plate generally are to be made of filling-foam material in the middle of T floor, upper strata and the lower floor's subfloor; Wherein, ripple subfloor structure is because its anti-gas leakage property is good, and is in light weight and be widely used.It is polylith ripple subfloor to be overlapped mutually or the modes such as (welding or bonding) of splicing forms the monoblock subfloor that subfloor is generally adopted.As depicted in figs. 1 and 2, monoblock subfloor 1 is welded on the bottom side beams 2.On subfloor, place T floor 3 for 1, leave certain distance between the two, with stuffed heat insulated foamed material 4.Because each ripple subfloor is to form whole subfloor by welding or bonding, subfloor 1 is weld togethers with bottom side beams 2, and therefore anti-gas leakage property is good, and whole ripple subfloor is than steel bottom cross beam lightweight construction.At present the subfloor distributed wave that is adopted on the refrigerated container as shown in Figure 2, subfloor 1 is for there being the ripple subfloor of a plurality of identical shaped crests 8, ripple hypotenuse 7, trough 6 alternately, the angle of ripple hypotenuse is greater than 45 °, and ripple reaches the degree of depth of 50mm to 60mm.There is following shortcoming in this dark wave-wave shape:

(1) the compacting assembly process is many, and efficient is low;

(2) welding with bottom side beams all is used for manual welding, and its welding efficiency is low, shaping is poor;

(3) the trough expanded material does not play effect of heat insulation;

(4) paint application difficulty causes crest, trough paint thickness difference huge, and waste is serious.

The utility model content

The purpose of this utility model is to overcome the defective that above-mentioned prior art exists and a kind of refrigerated container is provided under the prerequisite of proof strength and heat-proof quality, and its base plate can be realized automatic weldering, realize that auto spray painting, cost-cutting, minimizing are subjected to the collision probability case.

The purpose of this utility model realizes in the following manner: refrigerated container of the present utility model, its base plate comprises floor in casing, the ripple subfloor outside casing, the foamed material layer of filling between described floor and described subfloor, described subfloor is connected in bottom side beams, described ripple subfloor comprises successively a plurality of identical shaped crest and trough alternately, between described crest and the described trough is the ripple hypotenuse, it is characterized in that: ripple hypotenuse and horizontal direction angle are less than 45 °.

Refrigerated container of the present utility model, the depth of convolution of described ripple subfloor are 32-46mm.

Refrigerated container of the present utility model, the depth of convolution of described ripple subfloor is 36mm.

Refrigerated container of the present utility model, the width of described crest, trough equates.

Refrigerated container of the present utility model, described ripple hypotenuse width is all identical.

Refrigerated container of the present utility model, described crest, trough are tabular.

Refrigerated container of the present utility model, the connection mode of described subfloor and described bottom side beams is welding.

Refrigerated container of the present utility model, described floor are the T floor.

The beneficial effects of the utility model are:

Compared with prior art, the utility model is optimized improvement with the waveform of refrigerated container ripple subfloor, can realize weldering and auto spray painting automatically, has improved production efficiency and welding quality, cuts the waste, and waveform rationally distributes, economical with materials.

Description of drawings

Fig. 1 is the transverse sectional view of the base plate of refrigerated container;

Fig. 2 is the ripple subfloor of base plate of refrigerated container in the prior art and the local longitudinal sectional view of foamed material layer;

Fig. 3 is the ripple subfloor of base plate of refrigerated container of the present utility model and the local longitudinal sectional drawing of foamed material layer.

The specific embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.Wherein, Fig. 1 is the transverse sectional view of the base plate of refrigerated container; Fig. 3 is the ripple subfloor of refrigerated container bottom board of the present utility model and the local longitudinal sectional drawing of foamed material layer.

As shown in figures 1 and 3, the base plate of refrigerated container of the present utility model, comprise floor 3 in casing, the ripple subfloor 1 outside casing, the foamed material layer 4 of between floor 1 and ripple subfloor 3, filling, ripple subfloor 1 is fixedly connected on bottom side beams 2, described ripple subfloor 1 comprises successively a plurality of identical shaped crest 8 and trough 6 alternately, be ripple hypotenuse 7 between described crest 8 and the described trough 6, with horizontal direction angle a or b all less than 45 °.The ripple hypotenuse is meant the acute angle that the ripple hypotenuse is become with horizontal direction with the horizontal direction angle.

The floor 3 that is positioned at casing is preferably the T floor with T shaped sections, also can use the waveform plate.Foamed material layer 4 is preferably the polyurethane foam layer.

The depth of convolution of the ripple subfloor of the base plate of refrigerated container of the present utility model is preferably 32-46mm, and in a preferred embodiment, except that four Water outlet device zones, the depth of convolution of described ripple subfloor is 36mm.The depth of convolution described in this specification sheets is meant the distance between crest and the trough place straight line.

As Fig. 1, shown in Figure 3, in the preferred embodiment of the base plate of refrigerated container of the present utility model, crest 8, trough 6 are tabular, and the width of crest 8, trough 6 equates that each ripple hypotenuse 7 width are all identical.

Subfloor 1 can be welding with the mode of captiveing joint of bottom side beams 2, and the base plate of refrigerated container of the present utility model can be welded on subfloor 1 on the bottom side beams 2 by automatic weldering.

The base plate of refrigerated container of the present utility model, crest, trough, ripple hypotenuse also can be circular-arc, and this moment, ripple hypotenuse and horizontal direction angle were meant the tangent line of ripple hypotenuse point and the angle of horizontal direction.

Ripple subfloor of the present utility model improves and optimizates on the basis of original waveform, has increased the quantity of ripple, has reduced the degree of depth of ripple, and the gradient of ripple hypotenuse can realize automatic weldering, thereby improve production efficiency less than 45 degree, improve work situation, realized the normalisation of part.The reasonable distribution of the utility model ripple subfloor waveform makes the consumption of material of corrugated plating reduce, and has saved material, and can realize auto spray painting, has reduced the waste of paint, has reduced cost.In use, the ripple subfloor can damage owing to collision, adopts waveform of the present utility model, and the depth of convolution shoals, and the terrain clearance of subfloor increases, and has therefore reduced the probability that bumps, and has reduced the service expenditure that takes place in the use.

As for thermal and insulating performance, because the thinnest part thickness of foaming layer does not change, and also exist other on the base plate and leak hot concentrated area, as the goose neck tunnel zone of 40 ' refrigerated container and the fork pockets zone of 20 ' refrigerated container, so the utility model and the not obviously difference of existing base plate leakage thermal behavior.

The utility model is through experimental test, proves that it can satisfy ISO-1496/2 to the refrigerated container bottom board rigidity requirement with leak heat request.

Above-described only is preferable possible embodiments of the present utility model; described embodiment is not in order to limit scope of patent protection of the present utility model; therefore the equivalent structure done of every utilization specification sheets of the present utility model and accompanying drawing content changes, and in like manner all should be included in the protection domain of the present utility model.

Claims (8)

1. refrigerated container, its base plate comprises floor in casing, the ripple subfloor outside casing, the foamed material layer of filling between described floor and described subfloor, described subfloor is connected in bottom side beams, described ripple subfloor comprises successively a plurality of identical shaped crest and trough alternately, between described crest and the described trough is the ripple hypotenuse, it is characterized in that: ripple hypotenuse and horizontal direction angle are less than 45 °.

2. as claims 1 described refrigerated container, it is characterized in that: the depth of convolution of described ripple subfloor is 32-46mm.

3. as claims 1 described refrigerated container, it is characterized in that: the depth of convolution of described ripple subfloor is 36mm.

4. as claims 1 described refrigerated container, it is characterized in that: the width of described crest, trough equates.

5. as claims 1 described refrigerated container, it is characterized in that: described ripple hypotenuse width is all identical.

6. as claims 1 described refrigerated container, it is characterized in that: described crest, trough are tabular.

7. as claims 1 described refrigerated container, it is characterized in that: the connection mode of described subfloor and described bottom side beams is welding.

8. as claims 1 described refrigerated container, it is characterized in that: described floor is the T floor.

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