CN204776465U - Warm bag - Google Patents

Abstract

The utility model discloses a warm bag, including inclusion and be built by contract, the inclusion is constituteed by inlayer, skin and heat preservation with the be built by contract, inlayer and outer pore free welded, and form a seal chamber between the inboard and the outside, seal chamber is arranged in to the heat preservation, has in proper order the heat preservation room of enclosing by outer, heat preservation and inlayer in the inclusion, heat preservation room upper end opening, be built by contract swing joint greenhouse in insurance validity opening part. The utility model discloses a seal chamber sealed completely wraps up the heat preservation, has blocked the heat preservation room completely and has exchanged with external air, promotes the heat preservation effect.

Description

insulated bag

technical field

The utility model relates to a thermal insulation bag.

Background technique

Insulation bag, a kind of outdoor luggage, is a bag used to hold various foods and keep food temperature and freshness. It can also be used for refrigeration, such as ice cubes, cold drinks and other low-temperature items, so it can be kept Heat preservation and cold preservation are the most basic functions of thermal insulation bags.

In the prior art, the thermal insulation bag generally has a thermal insulation layer, and the thermal insulation layer is wrapped by an inner layer of cloth and an outer layer of cloth, and a half opening for zipper installation is also formed on the outer layer of cloth, an upper cover is formed above the half opening, and a half opening is lowered to form a The insulation room is surrounded by the outside, insulation layer and inside in turn. Pull the zipper to open or close the upper cover. It is very convenient to take things from the insulation room. At present, the insulation materials used in the insulation layer generally include non-woven fabrics, aluminum film pearl cotton, Oxford cloth and polyester and so on.

For a thermal insulation bag with excellent thermal insulation performance, on the basis of the thermal insulation layer, the sealing of the thermal insulation room is also the key to thermal insulation. The existing thermal insulation bag inner layer fabric and outer layer fabric are sewn at the opening. , the inner layer of cloth and the outer layer of cloth are also stitched together by several small pieces of cloth, but the existing thermal insulation bag also has the following defects:

1. The sealing effect of the inner fabric and the outer fabric combined by stitching is not good, and pinholes are left at the seams, and the inner fabric and the outer fabric cannot be completely seamlessly combined, which is inevitable The airtightness of the insulation bag is greatly reduced, and the external air is easy to form convection with the internal air through the pinhole or the gap between the inner and outer layers, resulting in the internal temperature change of the insulation bag, and the insulation effect is not good;

2. When storing low-temperature items (such as ice cubes), in the case of air convection, the ice cubes melt or the air condenses, causing the water in the insulation cavity to flow from the outer layer along the gap to the insulation layer. In addition, the internal cold air is still It may cause water vapor condensation at the suture of the outer layer (especially at the opening of the zipper). The above situation will reduce the service life of the insulation layer, and the aging of the inner and outer sutures will easily lead to further expansion of the gap and reduce the service life of the insulation bag;

Three, the inner side and the outer layer of the existing heat preservation bag are generally directly stitched at the opening, and the cross section of the inner cloth at the opening of the upper part of the heat preservation room is much larger than its cross section at the bottom of the heat preservation room, resulting in the problem of wrinkles in the inner cloth , and some heat preservation items that need to be placed neatly are inconvenient to place.

In view of this, the inventor specially developed a kind of heat preservation bag that realizes completely sealing heat preservation chamber, and this case arises from this.

Utility model content

The purpose of the utility model is to provide a thermal insulation bag, which wraps the thermal insulation layer through a completely sealed cavity, completely blocks the air communication between the thermal insulation room and the outside world, and improves the thermal insulation effect.

In order to achieve the above object, the technical scheme of the utility model is as follows:

The thermal insulation bag includes the bag body and the bag cover. Both the bag body and the bag cover are composed of an inner layer, an outer layer and an insulation layer. The inner layer and the outer layer are seamlessly welded, and a sealed cavity is formed between the inner side and the outer side. The insulation layer Placed in a sealed cavity; the enclosure has an insulation chamber surrounded by an outer layer, an insulation layer and an inner layer in turn, the upper end of the insulation chamber is open, and the cover is movably connected to the opening of the insulation chamber.

The thermal insulation layer of the enclosure is a cylindrical thermal insulation liner, the thermal insulation liner has a bottom and a side; the inner layer and the outer layer of the enclosure both include a bottom surface and a side surface, the inner layer side is seamlessly welded to the inner bottom surface, and the outer layer The side and the outer side are seamlessly welded, the inner bottom and the outer bottom cover the inside and outside of the bottom of the thermal insulation liner respectively, the inner side and the outer side cover the inner and outer sides of the thermal insulation liner respectively, The upper end of the inner side is seamlessly welded to the upper end of the outer side. The inner side, the inner bottom, the outer side and the outer bottom of the enclosure form a sealed cavity that completely seals the thermal insulation liner. The side of the layer, the bottom of the outer layer, the bottom of the inner layer, the side of the inner layer and the thermal insulation liner jointly form a thermal insulation room.

The thermal insulation liner is integrally formed by means of a mould, or the thermal insulation liner is spliced by multiple pieces of thermal insulation materials.

As stated above, the upper end of the inner side of the package body is seamlessly welded to the upper end of the outer side by means of a connecting bar, and the connecting bar is covered on the heat preservation liner at the opening of the heat preservation chamber; the outer side and the outer bottom are also connected by means of a The strips are seamlessly welded.

The opening of the heat preservation chamber cooperates with the lower edge of the upper cover to install a zipper, the zipper is seamlessly welded to the outer layer of the bag and the outer layer of the upper cover respectively, and the upper cover is movably connected to the opening of the heat preservation chamber by means of the zipper.

The outer layer of the bag is also equipped with a pressure-type back pad, a hanging strap and a hook and loop through seamless welding. The pressure-type back pad has ribs that play a buffering role, and the two sides of the pressure-type back pad are equipped with double-shoulder straps.

The inner layer, the outer layer and the shoulder straps are all made of thermoplastic material, and the thermoplastic material can be TPU, PVC, TPU composite fabric or PVC composite fabric; the material of the insulation layer can be insulation cotton or foam.

The seamless welding adopts high-frequency welding or other thermal welding technology, and each seamless welding part is welded by means of a mold.

The insulation layer can also be made of EVA material, and the thickness of EVA is 30mm.

After adopting the above scheme, the beneficial effects of the utility model are:

1. In this utility model, the insulation layer is built into the sealed cavity formed by the seamless welding of the inner layer and the outer layer to ensure that the insulation room and the insulation layer are completely sealed, and the air in the insulation room and the outside air cannot form convection, and the insulation effect is remarkable. Improve and prolong the service life of the insulation layer;

2. The utility model prevents the water in the heat preservation chamber from flowing into the heat preservation layer when the heat preservation bag is placed in the refrigerated items, and at the same time solves the problem of water vapor condensation in the outer layer;

3. The seamless welding method is used to make the connection between the inner layer and the outer layer, and between the bag cover and the bag body more reliable, avoiding the problems of thread aging and breakage in the traditional sewing method.

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the top sectional view of the utility model bag body;

Fig. 2 is a side view of the utility model bag body;

Fig. 3 is a schematic diagram of the exploded structure of the inner layer and the outer side of the utility model;

Fig. 4 is the front view of the pressure type back pad of the utility model;

Fig. 5 is a top view of the utility model pressure type back pad;

Fig. 6 is a schematic diagram of the three-dimensional structure of the utility model;

Fig. 7 is a schematic diagram of the three-dimensional structure of the utility model.

Label description

Package body 1, package inner layer 11, inner layer bottom surface 111, inner layer side surface 112, package outer layer 12, outer layer bottom surface 121, outer layer side surface 122, insulation layer 13, insulation layer bottom 131, insulation layer side portion 132, insulation layer Chamber 14, pressure-type back pad 15, ribs 151, shoulder straps 16, hanging straps 17, Velcro 18, sealed cavity 19, bag cover 2, connecting strip 3, zipper 4.

Detailed ways

As shown in Figure 1, the thermal insulation bag disclosed by the utility model includes a bag body 1 and a bag cover 2, and the bag body 1 and the bag cover 2 are composed of an inner layer 11, an outer layer 12 and a thermal insulation layer 13, and the inner layer 11 and the outer layer The layer 12 is seamlessly welded, and a sealed cavity 19 is formed between the inner layer and the outer layer 12, and the thermal insulation layer 13 is placed in the sealed cavity 19; 11 surrounds the heat preservation chamber 14, the heat preservation chamber 14 upper end openings, and the cover 2 is movably connected to the opening of the heat preservation chamber 14.

Specifically, the thermal insulation layer 13 of the package body 1 is a cylindrical thermal insulation liner with a bottom 131 and side portions 132. The thermal insulation liner 13 can be integrally formed by means of a mold, or the thermal insulation liner 13 can be formed by splicing multiple pieces of thermal insulation materials. become;

Both the inner layer 11 and the outer layer 12 of the enclosure include a bottom surface and a side surface, the inner layer side surface 112 is seamlessly welded to the inner layer bottom surface 111, the outer layer side surface 122 is seamlessly welded to the outer layer bottom surface 121, and the inner layer bottom surface 111 is seamlessly welded to the outer layer bottom surface. 121 covers the inner side and the outer side of the thermal insulation liner bottom 131 respectively; The upper end of the bag is seamlessly welded, the inner side 111, the inner bottom 112, the outer side 122 and the outer bottom 121 form a sealed cavity that completely seals the thermal insulation liner 13, and the outer side 122, The outer bottom surface 121 , the inner bottom surface 111 , the inner side surface 112 and the heat preservation liner 13 together form a heat preservation chamber 14 .

In order to avoid wrinkles on the inner layer 11 and the outer side 12, the upper end of the inner layer side 112 of the package body and the upper end of the outer layer side 122 are seamlessly welded by means of a connecting strip 3, and the connecting strip 3 is wrapped in the insulation at the opening of the insulation chamber 14 On the bile 13 ; the outer side 122 and the outer bottom 121 are also seamlessly welded by means of a connecting strip 3 .

The opening of the heat preservation chamber 14 cooperates with the lower edge of the loam cake 2 to install a zipper 4, the zipper 4 is seamlessly welded with the outer layer 11 of the bag and the outer layer of the loam cake 21 respectively, and the loam cake 2 is movably connected to the opening of the heat preservation chamber 14 by means of the zipper 4. place.

In order to facilitate outdoor use, the outer layer 12 of the package is also equipped with a pressure-type back pad 15, a lanyard 17, and a Velcro 18 by means of seamless welding. Two shoulder straps 16 are installed on both sides of the 15, through the structures such as the pressure-type back pad 15, the double-shoulder strap 16, the hanging strap 17 and the Velcro 18 of the outer layer 12, the user can carry the heat preservation bag on the back outdoors, and the pressure-type back pad 15 The ribs 151 on the top effectively relieve the pressure on the user's back, and the lanyard 17 and the Velcro 18 provide convenience for the user to carry small items.

In this embodiment, the inner layer 11, the outer layer 12 and the shoulder straps 15 are all made of thermoplastic material, and the thermoplastic material can be TPU (thermoplastic polyurethane elastomer rubber), PVC (polyvinyl chloride) or TPU composite fabric or PVC composite fabric ; The material of the insulation layer can be insulation cotton, foam, EVA (ethylene-vinyl acetate copolymer) or other materials that can play a role in insulation. In this embodiment, the preferred EVA material is used as the insulation layer 13, and the thickness of EVA is 30mm. After a large number of tests, it has been proved that the use of EVA material and the structure of the insulation layer 13 with this thickness can not only ensure the insulation performance of the insulation bag, but also maintain its wear resistance. , so that the service life of the insulation bag is greatly extended.

The seamless welding of the utility model adopts high-frequency welding or other thermal welding technology. Due to the high requirements of high-frequency welding technology, it is difficult to seamlessly weld the inner layer 11 and the outer layer 12 and their parts according to the shape of the insulation layer 13. Therefore, in a specific embodiment, each seamless weld needs to be welded with the help of a mold. High-frequency welding is the use of high-frequency electromagnetic fields to make the molecules inside materials collide violently with each other to generate high temperature to achieve the purpose of welding and welding. After high-frequency welding, thermoplastic materials have no gaps in the joints, are airtight and airtight, and completely block the thermal insulation room 14 and thermal insulation. heat exchange outside the package.

The insulation bag of the present utility model has the following advantages:

1. The utility model is built into the sealed cavity 19 formed by the seamless welding of the inner layer 11 and the outer layer 12 by putting the heat preservation layer 13, so as to ensure that the heat preservation chamber 14 and the heat preservation layer 13 are completely sealed, and the air in the heat preservation chamber 14 is completely separated from the outside world. The air cannot form convection, the thermal insulation effect is significantly improved, and the service life of the thermal insulation layer is extended;

2. The utility model also prevents the water in the heat preservation chamber 14 from flowing into the heat preservation layer when the heat preservation bag is placed in the refrigerated goods, and simultaneously solves the problem of water vapor condensation in the outer layer;

3. The connection between the inner layer 11 and the outer layer 12 and between the bag cover 2 and the bag body 1 is more reliable by adopting the seamless welding method, which avoids the problems of thread aging and breakage in the traditional stitching method.

The above are only specific embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. All equivalent changes made according to the design idea of this case fall within the scope of protection of this case.

Claims (9)

1. insulation bag, it is characterized in that: comprise inclusion and clad, inclusion and clad form by internal layer, skin and heat-insulation layer, internal layer and outer seamless welding, and form a seal chamber between inner and outer, and heat-insulation layer is placed in seal chamber; Have the moist closet surrounded by skin, heat-insulation layer and internal layer successively in inclusion, moist closet upper end open, clad is movably connected in moist closet opening part.

2. be incubated bag as claimed in claim 1, it is characterized in that: the heat-insulation layer of described inclusion is tubular heat-preservation liner, heat-preservation liner has bottom and sidepiece, the internal layer of inclusion and skin include bottom surface and side, internal layer side and internal layer bottom surface seamless welding, outer side and outer side seamless welding, internal layer bottom surface and outer bottom surface are respectively by coated for the inner side and outer side bottom heat-preservation liner, internal layer side and outer side are respectively by coated for the inner side and outer side of heat-preservation liner sidepiece, the upper end of internal layer side and the upper end seamless welding of outer side, the internal layer side of inclusion, internal layer bottom surface, outer side and outer bottom surface form one by complete for heat-preservation liner hermetic seal chamber, the outer side of inclusion, outer bottom surface, internal layer bottom surface, internal layer side and heat-preservation liner surround moist closet jointly.

3. be incubated bag as claimed in claim 2, it is characterized in that: described heat-preservation liner is one-body molded by mould, or heat-preservation liner is spliced by polylith warm material.

4. be incubated bag as claimed in claim 3, it is characterized in that: the upper end, internal layer side of inclusion and upper end, outer side are by a connecting strap seamless welding, and connecting strap is coated on the heat-preservation liner of moist closet opening part; Described outer side and outside bottom surface are also by a connecting strap seamless welding.

5. be incubated bag as claimed in claim 2, it is characterized in that: the opening part of described moist closet and the lower of upper cover are along coordinating installation one slide fastener, and slide fastener is and upper cover outer seamless welding outer with inclusion respectively, and upper cover is movably connected in moist closet opening part by slide fastener.

6. be incubated bag as claimed in claim 1, it is characterized in that: described inclusion skin is also installed die mould back pad by the mode of seamless welding, is linked with and VELCRO, and die mould back pad has had the rib of buffer action, die mould back pad both sides are provided with Braces hanged over tow shoulders.

7. be incubated bag as claimed in claim 6, it is characterized in that: described internal layer, skin and Braces hanged over tow shoulders are made by thermoplastic material, thermoplastic material can be TPU, PVC, TPU composite material or PVC composite material; Described heat-insulation layer material can be heat-preservation cotton or foam.

8. be incubated bag as claimed in claim 1, it is characterized in that: described heat-insulation layer can also be made up of EVA material, the thickness of EVA is 30mm.

9. be incubated bag as claimed in claim 1, it is characterized in that: what described seamless welding adopted is high frequency welding or other thermal welding technology, and each seamless welding place is all welded by mould.