CN204861663U - Self -heating cutlery box - Google Patents

Abstract

A self-heating lunch box, including a box body, a self-heating bag placed inside the box body, a lunch box for holding food, a water bag and a flexible tearing part connected with the water bag, and a through hole is opened on one side wall of the box body , a fixed connection button is provided on the other side wall opposite to the side wall, and an end of the water bag adjacent to the fixed connection button is provided with a matching connection button that is matched with the fixed connection button, so as to connect the water bag to the box The body is fixedly connected, one end of the flexible tearing part is fixedly connected with one end of the water bag provided with a matching connection buckle, and the other end extends from the inside of the box body to pass through the through hole and then leaks out of the box body. The water bag is fixed on the bottom of the box body by using a fixed connection buckle and a matching connection buckle, which eliminates the problem of tearing the bottom of the box body when the parts are torn apart, thereby preventing the water bag from leaking from the bottom of the box body after being torn apart. In this way, the relationship between the amount of water and the heating pack remains unchanged and the heating pack is fully in contact with the water.

Description

self heating lunch box

technical field

The utility model relates to a fast food heating appliance, in particular to a self-heating lunch box.

Background technique

In the food field, cooking utensils are usually used for heating edible food. It is extremely inconvenient for the majority of office workers, students, car drivers, especially tourists and field workers such as soldiers to eat outdoors, so a special heating device is made. Allowing people to have hot meals and hot dishes is a problem that people have been paying close attention to. In order to solve the above problems, the Chinese patent application with the application number 201210459524.8 and the invention name "a self-heating lunch box with single-pull cracking riveted water bag" provides the following scheme: set rivets on one side of the sealing line of the water bag, seal the Two cutouts are set in the middle of one end of the line, and one end of the drawstring is riveted between the two cutouts. The water bag is placed flat on the bottom of the outer box and riveted to the bottom of the outer box. The other end of the drawstring passes through the side wall of the outer box. The cutout on the top goes out of the outer box, and the cutout is higher than the height of the water bag when it is placed flat; the heating pack is placed flat on the upper part of the water bag; The box is placed above the heating bag; the dish bag is filled with processed dishes in vacuum packaging, placed flat on the top of the lunch box, the tableware is placed on the side of the dish bag, the outer box cover is buckled to seal the plastic film, and the water bag is torn apart by the drawstring After the water comes into contact with the heating pack, the heating pack heats up to turn the water into high-temperature water vapor, so that the rice and dishes in the lunch box can be heated through the high-temperature water vapor, so that you can also eat hot and delicious food in the wild environment meals.

However, the above-mentioned prior art has the following problems: the outer box is generally made of foamed resin or plastic material, and when the rivet is fixed on the bottom of the outer box and the heating pack is placed on the top of the water bag, when the drawstring is torn, the The bottom of the box is torn to cause water leakage. At the same time, the torn water bag may prop up the heating bag, so that the relationship between the amount of water and the heating bag changes and the heating bag cannot fully contact with the water, resulting in white rice and water in the lunch box. Dishes are not heated sufficiently.

Contents of the invention

In view of this, the utility model proposes a self-heating lunch box that prevents water leakage and enables the heating pack to fully contact with water.

A self-heating lunch box, comprising a box body, a self-heating bag placed inside the box body, a lunch box containing food, a water bag and a flexible tearing part connected with the water bag, the box body is a cuboid with an open top, One side wall of the box body is provided with a through hole for the flexible tearing part to pass through, and a fixed connection buckle is provided on the other side wall opposite to the side wall, and the water bag and the self-heating bag are arranged from top to bottom Stacked sequentially, the end of the water pack close to the fixed connection buckle is provided with a matching connection buckle that matches the fixed connection buckle and is provided with a cutout, and the cutout is not connected to the water holding space inside the water bag; The fixed connection buckle is fixedly connected to fix the water bag and the box body relatively, one end of the flexible tear part is fixedly connected with one end of the water bag provided with the connection buckle, and the other end extends from the inside of the box body to pass through The through hole leaks outside the box body, wherein the distance from the through hole on the side wall of the box body to the bottom of the box body is greater than the height of the superimposed water bag and self-heating bag; the lunch box containing food The size matches the size of the opening of the box body. When the lunch box containing food is placed on the opening of the box body, the distance from the bottom of the lunch box containing food to the bottom of the box body is greater than that of water The height of the superimposed package and self-heating package.

Preferably, the inner surface of the side wall of the box body is provided with a plurality of raised strips, the extension direction of the plurality of raised strips is perpendicular to the bottom of the box body, and the gap between adjacent raised strips Create vents.

Preferably, the self-heating lunch box also includes a thermal insulation outer box to accommodate the box body, the shape of the thermal insulation outer box is adapted to the box body, and the thermal insulation outer box includes the lower box body of the outer box and The upper box body of the outer box that covers the lower box body of the outer box, and the top of the upper box body of the outer box is provided with vent holes.

Preferably, the vent hole is arranged at the center of the top of the upper box body of the outer box.

Preferably, a through hole of the outer box is provided on a side wall of the lower box body of the outer box, and the through hole of the outer box is opposite to the through hole on the side wall of the box body, so that the flexible tear-off part Pass through the through hole of the outer box.

Preferably, the tearing part is a flat or thin long rope; the incision is provided between the connection position of the tearing part and the water bag and the matching connection buckle of the water bag.

In the above-mentioned self-heating lunch box, one side wall of the box body is provided with a through hole for the flexible tearing part to pass through, and a fixed connection button is set on the other side wall opposite to the side wall, and the water bag and the self-heating bag are provided by Stacked in the box body from top to bottom, the end of the water pack close to the fixed connection buckle is provided with a matching connection buckle that matches the fixed connection buckle and has a cutout, and the matching connection buckle is fixedly connected with the fixed connection buckle to secure the water bag Fixed relative to the box body, one end of the flexible tear-off part is fixedly connected to one end of the matching connection buckle of the water bag, and the other end extends from the inside of the box body to pass through the through hole and then leaks out. Outside the box body, and the distance from the through hole on the side wall of the box body to the bottom of the box body is greater than the height after the water bag and the self-heating bag are superimposed, because the fixed connection buckle is arranged on the side wall of the box body, and then Avoid leaking from the bottom of the box body after the water bag is torn apart. At the same time, after the water bag is torn, the water flows under its own gravity and submerges the self-heating bag, so that the relationship between the amount of water and the heating bag remains the same. The variable and the heating package are in full contact with the water, thereby realizing the purpose of fully heating the white rice and dishes in the lunch box.

Description of drawings

Fig. 1 is a schematic structural view of a self-heating lunch box in a preferred embodiment.

Fig. 2 is a schematic cross-sectional view along plane A-A of Fig. 1 .

FIG. 3 is an enlarged schematic diagram of a partial structure of FIG. 1 .

Fig. 4 is a structural schematic diagram of another preferred embodiment of the self-heating lunch box.

Fig. 5 is a schematic cross-sectional view along the B-B plane of Fig. 4 .

Fig. 6 is a schematic structural view of the outer box-on-box body of the self-heating lunch box described in Fig. 4 .

Fig. 7 is a structural schematic diagram of the lower box body of the outer box of the self-heating lunch box described in Fig. 4 .

In the figure: self-heating lunch box 1, box body 10, fixed connecting buckle 101, through hole 102, raised strip 103, ventilating groove 104, self-heating bag 11, lunch box for holding food 12, water bag 13, matching connecting buckle 131 , the flexible tear-off part 14 , the thermal insulation outer box 15 , the upper box body 151 of the outer box, the lower box body 152 of the outer box, the ventilation hole 153 , and the through hole 154 of the outer box.

Detailed ways

The self-heating lunch box will be further described below in conjunction with the accompanying drawings.

Referring to Figures 1 to 3, the self-heating lunch box 1 includes a box body 10, a self-heating bag 11 placed inside the box body 10, a lunch box 12 for holding food, a water bag 13 and a flexible tearing part connected with the water bag 13 14. The box body 10 is a cuboid with an open top. Obviously, it can also be a box body with other regular shapes. A through hole 102 for the flexible tearing part 14 to pass is opened on one side wall of the box body 10. A fixed connection buckle 101 is provided on the other side wall of the box body. The self-heating bag 11 and the water bag 13 are stacked sequentially from top to bottom and then arranged at the bottom inside the box body 10. The matching connecting button 131 that the fixed connecting button 101 cooperates is fixedly connected with the water bag 13 and the box body 10, and one end of the flexible tear-off part 14 is fixedly connected with an end of the water bag 13 provided with the matching connecting button 131, and the other end is connected from the box body 10. The inside extends to pass through the through hole 102 and then leaks out of the box body 10 . The distance from the through hole 102 on the side wall of the box body 10 to the bottom of the box body 10 is greater than the height after the water bag 13 and the self-heating bag 11 are stacked; Matching, when the lunch box 12 containing food is placed in the opening of the box body 10, the distance from the bottom of the lunch box 12 containing food to the bottom of the box body 10 is greater than that of the water bag 13 and the self-heating bag 11 The superimposed height. The flexible tearing part 14 is a long flat rope or a long thin-diameter rope, and the use of a long thin-diameter rope is more in line with the idea of saving raw materials. The water bag 13 is fixed on the box body 10 by using the fixed connecting buckle 101 and the mating connecting button 131. This fixing method is convenient and fast. The water bag can be fixed or removed as needed, saving raw materials and more convenient to use, and the parts can be torn apart by tearing The water bag 13 can be effectively torn open without the risk of tearing the bottom or side wall of the box body 10 .

Further, a plurality of raised strips 103 are arranged on the inner surface of the side wall of the box body 10, the extension direction of the plurality of raised strips 103 is perpendicular to the bottom of the box body 10, and the gaps between adjacent raised strips 103 form Breathable groove 104. When steam is used to heat the lunch box, a large amount of water vapor is stored in the lunch box 12 containing food and the box body 10. If the lunch box 12 containing food is in close contact with the side wall of the box body 10, there is a risk of excessive pressure. This design , the excess steam is dissipated to the outside through the ventilation groove 104, so as to avoid scald accidents due to excessive pressure.

Further, the self-heating pack 11 is placed horizontally at the bottom inside the box body 10 , and the water pack 13 is placed horizontally on the top of the self-heating pack 11 . The self-heating bag 11 adopts the principle of self-heating when encountering water, so the more fully the material in the self-heating bag 11 is in contact with water, the faster the heating rate and the better the effect. Compared with the technical solutions in the prior art, this embodiment uses water The bag 13 is set on the top of the self-heating bag 11, so that when the water bag 13 is torn apart, all the water in the water bag 13 overflows and covers the self-heating bag 11 under the action of gravity, and then penetrates from top to bottom Go to the inside of the self-heating bag 11 and fully contact with the material inside the self-heating bag 11 to ensure a fast heating speed and a good heating effect.

Further, an incision is provided between the connection position of the flexible tear-off part 14 and the water bag 13 and the matching connection buckle 131 of the water bag 13 , and the cut is not communicated with the water holding space inside the water bag 13 . Under the premise of ensuring that the water bag 13 does not leak water, when the flexible tearing part 14 is torn, the flexible tearing part 14 will tear the water bag 13 along the incision, which is more convenient to operate.

Referring to Fig. 4 to Fig. 7, as another preferred embodiment, the self-heating lunch box 1 also includes an insulated outer box 15 for accommodating the box body 10, and the shape of the insulated outer box 15 is suitable for the box body 10 Matching, the thermal insulation outer box 15 includes the lower box body 152 of the outer box and the upper box body 151 of the outer box that covers the lower box body 152 of the outer box. The top of the upper box body 151 of the outer box is provided with a vent hole 153 . Wherein, the ventilation hole 153 is arranged at the center position of the top of the box body 151 on the outer box. A side wall of the lower box body 152 of the outer box offers an outer box through hole 154, and the outer box through hole 154 is relatively positive with the through hole 102 on the side wall of the box body 10, so that the flexible tearing part 14 is separated from the outer box through hole 154. wear out.

Put the lunch box 12 for holding food to be heated at the opening of the box body 10 of the self-heating lunch box 1, put the box body 10 in the lower box body 152 of the outer box, cover the upper box body 151 of the outer box, and tear the flexible The part 14 passes through the through hole 102 of the box body 10 and the outer box through hole 154 of the lower box body 152 of the outer box, and the flexible tear part 14 is torn to tear the water bag 13, and the water vapor starts to heat the lunch box, and the excess water vapor Emerge along the ventilation slots 104 around the box body 10, and finally emerge from the ventilation holes 153 of the upper box body 151 of the outer box under the diversion action of the upper box body 151 of the outer box to enter the outside world. With this design, while the box lunch is fully heated by water vapor, a ventilation channel is reserved for excess water vapor to ensure the safety of the user. Set the vent hole 153 at the center of the top of the upper box body 151 of the outer box, so that the water vapor is evenly distributed in the upper box body 151 of the outer box, so as not to concentrate at a certain angle and cause uneven force on the upper box body 151 of the outer box. A scalding accident.

Claims (6)

1. a self-heating meal box, comprise box body, be placed on the self-heating bag of tray interior, the lunch box of food container, water bag and the flexible tearing member be connected with water bag, it is characterized in that: described box body is open-topped cuboid, a sidewall of described box body is offered the through hole passed for flexible tearing member, another sidewall relative with this sidewall is arranged and is fixedly connected with button, described water bag and self-heating bag from top to bottom stack successively, described water bag near described in be fixedly connected with the one end of buckleing and arrange to be fixedly connected with this and buckle being connected of coordinating and buckle and offer otch, described otch is not communicated with the water space of water bag inside, be connected button be fixedly connected with button and be fixedly connected with by relative with described box body for water bag fixing, one end and the setting of described water bag of the described flexible tearing member one end of buckleing that is connected is fixedly connected with, the other end extends to from tray interior and leaks outside at box portion outside through after described through hole, wherein, the distance of through hole bottom described box body on the sidewall of described box body be greater than water bag superpose with self-heating bag after height, the matching size of the size of the lunch box of food container and the opening of described box body closes, when the lunch box of food container is placed on the opening of described box body, the bottom of the lunch box of described food container to the distance of the bottom of described box body be greater than water bag superpose with self-heating bag after height.

2. self-heating meal box as claimed in claim 1, is characterized in that: the inner surface of the sidewall of described box body arranges multiple raised item, the bearing of trend of described multiple raised item and the bottom vertical of described box body, and the gap between adjacent raised item forms ventilating groove.

3. self-heating meal box as claimed in claim 2, it is characterized in that: described self-heating meal box also comprises the outer box of insulation that is held described box body, shape and the described box body of the outer box of described insulation are suitable, the outer box upper cartridge body that the outer box of described insulation comprises outer box lower box body and covered by outer box lower box body, the top of described outer box upper cartridge body arranges air-vent.

4. self-heating meal box as claimed in claim 3, is characterized in that: described air-vent is arranged on the center at the top of described outer box upper cartridge body.

5. self-heating meal box as claimed in claim 3, it is characterized in that: a sidewall of described outer box lower box body offers outer box through hole, described outer box through hole aligns mutually with the through hole on the sidewall of described box body, to be passed from described outer box through hole by described flexible tearing member.

6. self-heating meal box as claimed in claim 1, is characterized in that: described tearing member is a flat or thin path length rope; The link position of described tearing member and described water bag and described water bag be connected buckle between described otch is set.