CN212415013U - Thermal insulation lunch box - Google Patents

Abstract

The utility model discloses a heat-preservation lunch box, which comprises a heat-preservation shell (1), a lunch box (6), a dish discharging box (5), an upper dish box (4) and a sealing box cover (2), the upper vegetable box (4), the lower vegetable box (5) and the lunch box (6) are sequentially arranged in the heat-preservation shell (1), the lower vegetable box (5) is stacked on the lunch box (6), the upper vegetable box (4) is stacked on the lower vegetable box (5) through the supporting ring (41), the lower part of the sealing box cover extends into the dish placing box (5), the sealing box cover (2) is buckled on the upper opening of the heat-insulating shell (1), a sealing ring clamping groove (24) is arranged on the sealing box cover (2), a box cover sealing part (25) is embedded in the sealing ring clamping groove (24), a sealing edge is arranged on the box cover sealing part (25), the bottom of the sealing edge is in sealing fit with the supporting ring (41), the side face of the sealing edge is in sealing fit with the upper opening of the heat-insulating shell (1), and an exhaust device is arranged on the sealing box cover. After adopting this structure, have simple structure reasonable, the branch meal is convenient, keep warm effectual, food safety and sanitation, repeatedly usable's advantage.

Description

Thermal insulation lunch box

Technical Field

The utility model relates to a stainless steel heat preservation container technical field, especially a convenient box that keeps warm suitable for house, travel and repeatedly usable, health environmental protection.

Background

Through the outbreak of the new coronavirus epidemic situation, people can realize the harmonious symbiosis between people and nature, realize the importance of food safety and sanitation, and hope to own a lunch box independently no matter whether the people are at home or in travel. However, the lunch box on the market has the following defects: firstly, most lunch boxes in the market are not insulated or have short insulation time, the insulation effect is poor, the meal becomes cold quickly and is inconvenient to eat, and inconvenience is brought to the lunch needing a long time interval; secondly, the lunch box in the market is single in containing the meal, has no function of separating the meal, and the meal is mixed in the same containing cavity, so that the taste is influenced; thirdly, although the sealed box with good heat insulation effect is covered on the market, the sealed box cover is fixed on the heat insulation shell in a threaded fit mode, the hot gas in the inner cavity is cooled and contracted to form negative pressure after long-time heat insulation, so that a user with small strength can not open the sealed box cover, and the user can only open the sealed box cover by looking for a person or tool with large strength, and great inconvenience is brought to the user. Aiming at the problems, many manufacturers and acquaintances develop and develop the products, but no ideal products are seen.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the utility model aims to provide a heat-preservation lunch box which has simple and reasonable structure, convenient meal distribution, good heat-preservation effect, food safety and sanitation and can be repeatedly used.

The utility model provides a technical scheme that above-mentioned technical problem adopted, it includes heat preservation casing, lunch-box, lower dish box, goes up dish box, sealed lid, last dish box, lower dish box and lunch-box place in the heat preservation casing in proper order, lower dish box stacks on the lunch-box, is equipped with the backing ring on the last dish box, goes up the dish box and stacks on lower dish box through the backing ring, in its lower part stretched into lower dish box, sealed box lid lock joint was equipped with the sealing washer draw-in groove on the sealed box, it has the lid sealing member to inlay on the sealing washer draw-in groove, is equipped with bottom and the sealed cooperation of backing ring, side and the sealed complex sealed limit of heat preservation casing suitable for reading on the lid sealing member.

The utility model discloses a further scheme, last dish box on be equipped with dish box upper cover, the dish box is covered and is equipped with and go up dish box seal complex upper cover sealing washer.

According to a further scheme of the utility model, the sealing box cover is provided with an exhaust device, the exhaust device comprises an inner concave notch arranged on the sealing box cover, the bottom of the inner concave notch is provided with an exhaust hole, a silica gel exhaust sealing insert is arranged on the exhaust hole, the silica gel exhaust sealing insert is provided with an exhaust pipe communicated with the inner cavity, the inner concave notch is provided with a slidable push button, and when the push button is pushed, the push button extrudes the exhaust pipe and deforms to seal an exhaust pipe channel; when the push button is reset, the exhaust pipe is automatically reset and the channel of the exhaust pipe is unblocked.

The utility model discloses a further scheme, the heat preservation casing including mutual welding even stainless steel shell body and stainless steel inner bag as an organic whole, form vacuum heat preservation through setting up behind the evacuation interface evacuation of stainless steel shell body bottom between stainless steel shell body and the stainless steel inner bag.

The utility model discloses a further scheme, the medial surface of sealed lid is equipped with the elasticity buckle, is equipped with detachable and has dinner the instrument on the elasticity buckle.

The further scheme of the utility model, stainless steel shell body bottom be equipped with anti-skidding packing ring, anti-skidding packing ring covers the evacuation interface.

After adopting above-mentioned structure, compare with prior art and have following advantage and effect: firstly, the heat preservation casing adopts mutual welding even stainless steel shell body as an organic whole and stainless steel inner bag and forms vacuum heat preservation through the evacuation technique, makes the heat preservation casing have better thermal insulation performance, and the lid sealing member on the sealed lid has better sealing function to the heat preservation casing, further improves the thermal insulation performance of heat preservation casing again. And a lunch box, a dish discharging box and a dish loading box which are stacked mutually are arranged in the heat preservation box body, so that rice and dishes can be separated conveniently, an upper dish box cover is arranged on the dish loading box through an upper cover sealing ring, the upper dish box cover not only has a better sealing function on the upper dish box, but also can prevent the soup from seeping out to influence the taste, and therefore the aim of subpackaging the rice and the dishes is achieved. Thirdly, an exhaust device is arranged on the sealing box cover, and when the push button is pushed, the push button extrudes the exhaust pipe and deforms to seal an exhaust pipe channel; when the push button is reset, the exhaust pipe is automatically reset, the channel of the exhaust pipe is unblocked, and the exhaust pipe can exhaust air quickly, so that the sealing box cover can be opened easily and quickly, and the effects of exhausting air when opened and sealing when closed are achieved. Fourthly, the inner side surface of the sealing box cover is provided with dining tools such as spoons, spoons or chopsticks, which does not occupy space and is convenient to carry.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the cooperation structure of the present invention.

Fig. 3 is a schematic view of the exploded structure of the present invention.

The food box comprises a heat preservation shell 1, a sealing box cover 2, a food box upper cover 3, a food box on 4, a food box on 5, a food box on 6, a stainless steel outer shell body 11, a stainless steel inner container 12, a vacuum heat preservation layer 13, a vacuum pumping interface 14, an anti-skidding gasket 15, a concave notch 21, a silica gel exhaust sealing insert 22, a push button 23, a sealing ring clamping groove 24, a box cover sealing piece 25, an elastic buckle 26, a dining tool 27, an upper cover sealing ring 31 and a trunnion ring 41.

Detailed Description

Fig. 1 to 3 show a specific embodiment of the thermal insulation lunch box of the present invention, which comprises a thermal insulation casing 1, a lunch box 6, a dish discharging box 5, a dish feeding box 4, and a sealing box cover 2, wherein the dish feeding box 4, the dish discharging box 5, and the lunch box 6 are sequentially placed in the thermal insulation casing 1, the dish discharging box 5 is stacked on the lunch box 6, the dish feeding box 4 is provided with a support ring 41, the dish feeding box 4 is hermetically stacked on the dish discharging box 5 through the support ring 41, the lower portion of the dish feeding box extends into the dish discharging box 5, the sealing box cover 2 is fastened on the upper opening of the thermal insulation casing 1, the sealing box cover 2 is provided with a sealing ring slot 24, a box cover sealing member 25 is embedded on the sealing ring slot 24, the box cover sealing member 25 is provided with a sealing edge, the bottom of which is hermetically matched with the support ring 41, the side face of which is hermetically matched with the upper opening of the thermal insulation casing 1, the sealing edge of the box, so that the upper dish box 4, the lower dish box 5 and the lunch box 6 can not move relatively in the heat preservation shell 1. The upper dish box 4 is provided with an upper dish box cover 3, and the upper dish box cover 3 is provided with an upper cover sealing ring 31 which is in sealing fit with the upper dish box 4.

In order to conveniently and quickly open the sealing box cover 2, an exhaust device is arranged on the sealing box cover 2 and comprises an inner concave notch 21 arranged on the sealing box cover 2, an exhaust hole is formed in the bottom of the inner concave notch 21, a silica gel exhaust sealing insert 22 is installed on the exhaust hole, an exhaust pipe communicated with an inner cavity is arranged on the silica gel exhaust sealing insert 22, a slidable push button 23 is arranged on the inner concave notch 21, and when the push button 23 is pushed, the push button 23 extrudes the exhaust pipe and deforms to close an exhaust pipe channel; when the push button 23 is reset, the exhaust pipe is automatically reset and the exhaust pipe channel is unblocked.

In order to enable the heat preservation shell to have better heat preservation performance, the heat preservation shell 1 comprises a stainless steel outer shell 11 and a stainless steel inner container 12 which are welded and connected into a whole, and a vacuum heat preservation layer 13 is formed between the stainless steel outer shell 11 and the stainless steel inner container 12 after the stainless steel outer shell 11 and the stainless steel inner container 12 are vacuumized through a vacuumizing interface 14 arranged at the bottom of the stainless steel outer shell 11.

In order to facilitate carrying and use, an elastic buckle 26 is arranged on the inner side surface of the sealing box cover 2, a detachable dining tool 27 is arranged on the elastic buckle 26, and the dining tool 27 can be a spoon, a fork spoon, chopsticks or the like.

In order to stably place and better protect the vacuumizing port 14, the bottom of the stainless steel outer shell 11 is provided with an anti-slip gasket 15, and the anti-slip gasket 15 covers the vacuumizing port 14.

The above description is only the specific embodiment of the present invention, and is not intended to limit the present invention in any form, and the present invention does not depart from the technical solution of the present invention, and the made simple modification, equivalent change or modification all fall into the protection scope of the present invention.

Claims (6)

1. The utility model provides a convenient box keeps warm, includes heat preservation casing (1), lunch-box (6), lower dish box (5), goes up dish box (4), sealed lid (2), characterized by: last dish box (4), lower dish box (5) and lunch-box (6) place in heat preservation casing (1) in proper order, lower dish box (5) stack on lunch-box (6), upward be equipped with trunnion ring (41) on dish box (4), it stacks on lower dish box (5) to go up dish box (4) through trunnion ring (41), its lower part stretches into in lower dish box (5), sealed lid (2) lock joint is on the last mouth of heat preservation casing (1), be equipped with sealing washer draw-in groove (24) on sealed lid (2), it has lid sealing member (25) to inlay on sealing washer draw-in groove (24), be equipped with bottom and trunnion ring (41) sealed fit on lid sealing member (25), side and the sealed limit of heat preservation casing (1) last mouth sealed fit.

2. The insulated lunch box as claimed in claim 1, wherein: the vegetable box (4) is provided with a vegetable box upper cover (3), and the vegetable box upper cover (3) is provided with an upper cover sealing ring (31) which is in sealing fit with the vegetable box (4).

3. The insulating lunch box as claimed in claim 1 or 2, wherein: the exhaust device is arranged on the sealing box cover (2) and comprises an inner concave groove opening (21) formed in the sealing box cover (2), an exhaust hole is formed in the bottom of the inner concave groove opening (21), a silica gel exhaust sealing insert (22) is installed on the exhaust hole, an exhaust pipe communicated with the inner cavity is arranged on the silica gel exhaust sealing insert (22), a slidable push button (23) is arranged on the inner concave groove opening (21), and when the push button (23) is pushed, the push button (23) extrudes the exhaust pipe and deforms to seal an exhaust pipe channel; when the push button (23) is reset, the exhaust pipe is automatically reset and the exhaust pipe channel is unblocked.

4. The insulated lunch box as claimed in claim 3, wherein: the heat preservation shell (1) comprises a stainless steel shell body (11) and a stainless steel inner container (12) which are welded together, and a vacuum heat preservation layer (13) is formed between the stainless steel shell body (11) and the stainless steel inner container (12) after a vacuumizing interface (14) arranged at the bottom of the stainless steel shell body (11) is vacuumized.

5. The insulated lunch box as claimed in claim 4, wherein: the inner side surface of the sealing box cover (2) is provided with an elastic buckle (26), and the elastic buckle (26) is provided with a detachable dining tool (27).

6. The insulated lunch box as claimed in claim 5, wherein: the bottom of the stainless steel outer shell (11) is provided with an anti-slip gasket (15), and the anti-slip gasket (15) covers the vacuumizing interface (14).

Images