CN215502376U

CN215502376U - Cutlery box with heat preservation function

Info

Publication number: CN215502376U
Application number: CN202121838312.1U
Authority: CN
Inventors: 王卓达
Original assignee: Wang Zhuoda
Current assignee: Wang Zhuoda
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-14
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a lunch box with a heat preservation function, which comprises a shell, a metal inner container and a shell cover, wherein the edge of the metal inner container is provided with an outward turning edge, a rubber ring is sleeved below the outward turning edge, the shell is provided with a containing cavity, the inner side wall of the containing cavity is provided with an annular step, the metal inner container is embedded in the containing cavity, the outward turning edge is propped against the annular step, the rubber ring seals the containing cavity, a space is formed between the bottom of the metal inner container and the bottom of the containing cavity, and cold water or hot water can be placed in the space. According to the utility model, the rubber ring is sleeved on the edge of the metal inner container, the rubber ring is a soft rubber ring, when the metal inner container is embedded in the accommodating cavity, the outward turned edge is abutted against the annular step of the accommodating cavity, the rubber ring seals the accommodating cavity, a space is formed between the bottom of the metal inner container and the bottom of the accommodating cavity, and cold water or hot water can be placed in the space. The bottom of the metal inner container can be contacted with cold water or hot water in the space, so that the functions of heat preservation, temperature reduction and the like are realized.

Description

Cutlery box with heat preservation function

Technical Field

The utility model relates to tableware, in particular to a lunch box with a heat preservation function.

Background

At present, the existing meal box with the heat preservation function has the following two types: one is to adopt the sealed mode to prevent the heat outflow to play the effect of heat preservation, the cutlery box of this kind of heat preservation mode also can play certain heat preservation effect, but its heat preservation time is than shorter, and the heat preservation effect is than relatively poor. The other is to adopt a vacuum interlayer mode to form a partition wall between the food placing cavity and the air, thereby playing a role in heat preservation. The meal box with the heat preservation mode is generally made of pure metal, and has complex manufacturing process and higher manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lunch box with a heat preservation function aiming at the defects in the prior art.

In order to solve the above defects in the prior art, the technical scheme provided by the utility model is as follows: the utility model provides a cutlery box with heat preservation function, includes casing, metal inner bag and cap, the edge of metal inner bag is equipped with the turn-up of turning up, the below cover of turn-up is equipped with the rubber ring, the casing has and holds the chamber, be equipped with annular step on the inside wall that holds the chamber, the embedding of metal inner bag hold the intracavity, the turn-up of turning up supports and is in on the annular step, the rubber ring is sealed hold the chamber, metal inner bag bottom with hold and have the space between the bottom in chamber cold water or hot water can be put into in the space.

As an improvement of the lunch box with the heat preservation function, the outer side surface of the shell is provided with two corresponding buckling lugs, and the edge of the opening of the shell is provided with a middle ring clamping step.

As an improvement of the lunch box with the heat preservation function, the lunch box further comprises a middle ring of the lunch box, two movable buckles which are correspondingly arranged are arranged on the outer side of the middle ring of the lunch box, and when the middle ring is sleeved at the opening edge of the shell, the middle ring can be connected with the buckle ears through the movable buckles for fixation.

As an improvement of the lunch box with the heat preservation function, the movable buckle comprises a buckle seat and a buckle body, the buckle body is annular, the buckle body is connected to the buckle seat through a shaft pin, and the buckle body can turn over freely through the shaft pin.

The improved meal box with the heat preservation function further comprises an inner layer plate, an exhaust step is arranged at one corner of the inner layer plate, an exhaust hole communicated with the metal inner container is formed in the exhaust step, a rubber plug is plugged into the exhaust hole, and the rubber plug can be pulled out of the exhaust hole when the metal inner container exhausts air.

As an improvement of the lunch box with the heat preservation function, the bottom edge of the inner layer plate is sleeved with a silica gel ring.

As an improvement of the lunch box with the heat preservation function, the inner side wall of the cavity of the metal inner container is provided with a laminate abutting step, the inner laminate can abut against the laminate abutting step, and the silica gel ring seals the cavity of the metal inner container.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the rubber ring is sleeved on the edge of the metal inner container, the rubber ring is a soft rubber ring, when the metal inner container is embedded into the accommodating cavity, the outward turning edge is abutted against the annular step of the accommodating cavity, the rubber ring seals the accommodating cavity, a space is formed between the bottom of the metal inner container and the bottom of the accommodating cavity, cold water or hot water can be placed into the space, the heat preservation time of the lunch box can be prolonged, and ice water can be injected for quality preservation under the condition of cooling and quality preservation. The bottom of the metal inner container can be contacted with cold water or hot water in the space, so that the functions of heat preservation, temperature reduction, quality guarantee and the like for a long time are realized. In addition, the heat preservation liquid in the containing cavity cannot flow out through the sealing of the rubber ring, and the heat of the heat preservation liquid is not easy to cool. When the heat preservation liquid needs to be replaced, the metal inner container can be directly taken out to pour out the heat preservation liquid, and the replacement is convenient.

Drawings

The utility model and its advantageous technical effects are described in further detail below with reference to the accompanying drawings and detailed description, in which:

fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

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

Reference symbol names: 1. the lunch box comprises a shell 2, a metal inner container 3, a shell cover 4, a space 5, a lunch box middle ring 6, an inner plate 11, an accommodating cavity 12, an annular step 13, a buckling lug 14, a middle ring clamping step 21, an outward turning curled edge 22, a rubber ring 23, a plate abutting step 51, a movable buckle 52, a buckle seat 53, a buckle body 61, an exhaust step 62, an exhaust hole 63 and a silica gel ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a lunch box with a heat preservation function comprises a shell 1, a metal inner container 2 and a shell cover 3, an outward turning edge 21 is arranged at the edge of the metal inner container 2, a rubber ring 22 is sleeved below the outward turning edge 21, the shell 1 is provided with a containing cavity 11, an annular step 12 is arranged on the inner side wall of the containing cavity 11, the metal inner container 2 is embedded in the containing cavity 11, the outward turning edge 21 abuts against the annular step 12, the rubber ring 22 seals the containing cavity 11, a space 4 is arranged between the bottom of the metal inner container 2 and the bottom of the containing cavity 11, and cold water or hot water can be placed in the space 4. When hot water is put into the metal liner 2, the metal liner can be insulated and heated. When cold water is put in, the food in the metal inner container 2 can be cooled. The housing cover 3 can be covered on the housing 1.

Preferably, two corresponding buckle lugs 13 are arranged on the outer side surface of the shell 1, and a middle ring clamping step 14 is arranged on the edge of an opening of the shell 1. The buckling lugs are in one-to-one correspondence with the movable buckles. The metal liner can be prevented from being separated from the shell by the aid of the fixing connection effect.

Preferably, still include lunch box centre circle 5, the outside of lunch box centre circle 5 is equipped with two movable buckles 51 that correspond the setting, and when the opening edge of casing 1 was established to lunch box centre circle 5 cover, can be fixed through movable buckle 51 connection buckle 13.

Preferably, the movable buckle 51 comprises a buckle seat 52 and a buckle body 53, the buckle body 53 is in a circular ring shape, the buckle body 53 is connected to the buckle seat 52 through a shaft pin, and the buckle body 53 can freely turn over through the shaft pin.

Preferably, still include inner plate 6, a corner of inner plate 6 is equipped with exhaust step 61, is equipped with the exhaust hole 62 with metal inner bag 2 intercommunication on the exhaust step 61, and the plug is packed into in the exhaust hole 62, and when metal inner bag 2 exhausts, the plug can be followed in the exhaust hole 62 and pulled out. The inner layer 6 can contain tableware or food (e.g., spoons, cutlery, meals, etc.).

Preferably, the bottom edge of the inner plate 6 is sleeved with a silicone ring 63. The silica gel ring 63 can form a sealing effect with the inner side wall of the cavity of the metal inner container 2, and can prevent the heat of the cavity of the metal inner container 2 from flowing out.

Preferably, the inner side wall of the cavity of the metal inner container 2 is provided with a laminate abutting step 23, the inner laminate 6 can abut against the laminate abutting step 23, and the silica gel ring 63 seals the cavity of the metal inner container 2.

According to the utility model, the rubber ring 22 is sleeved on the edge of the metal inner container 2, the rubber ring 22 is a soft rubber ring, when the metal inner container 2 is embedded in the accommodating cavity 11, the outward turning edge 21 is abutted against the annular step 12 of the accommodating cavity 11, the rubber ring 22 seals the accommodating cavity 11, a space 4 is arranged between the bottom of the metal inner container 2 and the bottom of the accommodating cavity 11, and cold water or hot water can be placed in the space 4. The bottom of the metal inner container 2 can be contacted with cold water or hot water in the space, so that the functions of heat preservation, temperature reduction and the like are realized. Further, the heat insulating liquid in the housing chamber 11 does not flow out due to the sealing of the rubber ring 22, and the heat of the heat insulating liquid is not easily cooled. When the heat preservation liquid needs to be replaced, the metal inner container can be directly taken out to pour out the heat preservation liquid, and the replacement is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and arrangements of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cutlery box with heat preservation function, includes casing, metal inner bag and cap, its characterized in that, the edge of metal inner bag is equipped with the turn-up of turning up, the below cover of turn-up of turning up is equipped with the rubber ring, the casing has and holds the chamber, be equipped with annular step on the inside wall that holds the chamber, the metal inner bag embedding hold the intracavity, the turn-up of turning up supports and is in on the annular step, the rubber ring seals hold the chamber, metal inner bag bottom with hold and have the space between the bottom in chamber cold water or hot water can be put into in the space.

2. The lunch box with heat preservation function as claimed in claim 1, wherein the outer side of the shell is provided with two corresponding fastening lugs, and the edge of the opening of the shell is provided with a middle ring clamping step.

3. The lunch box with the function of preserving heat as claimed in claim 2, further comprising a middle ring of the lunch box, wherein two movable buckles are correspondingly arranged on the outer side of the middle ring of the lunch box, and the middle ring of the lunch box can be connected with the buckle ears to be fixed through the movable buckles when being sleeved at the opening edge of the shell.

4. The lunch box with a heat preservation function as claimed in claim 3, wherein the movable buckle comprises a buckle seat and a buckle body, the buckle body is annular, the buckle body is connected to the buckle seat through a shaft pin, and the buckle body can freely turn over through the shaft pin.

5. A lunch box with a heat preservation function as claimed in claim 3, further comprising an inner plate, wherein an exhaust step is arranged at one corner of the inner plate, an exhaust hole communicated with the metal inner container is formed in the exhaust step, a rubber plug is plugged in the exhaust hole, and when the metal inner container exhausts, the rubber plug can be pulled out from the exhaust hole.

6. A lunch box with a heat preservation function as in claim 5, wherein the bottom edge of the inner plate is sleeved with a silicone ring.

7. The lunch box with the heat preservation function as claimed in claim 6, wherein the inner side wall of the cavity of the metal inner container is provided with a laminate abutting step, the inner laminate can abut against the laminate abutting step, and the silica gel ring seals the cavity of the metal inner container.