CN216187547U - Lunch box - Google Patents

Abstract

A lunch box comprises a lunch box body and a lunch box cover, wherein a breathable switch cover is arranged on the lunch box cover, a first accommodating cavity is arranged on the upper surface of the lunch box cover, a first vent pipe penetrating through the bottom of the first accommodating cavity is arranged at one side of the bottom of the first accommodating cavity along the length direction of the first accommodating cavity, a temperature-sensing color-changing silica gel piece is arranged in one side of the breathable switch cover along the length direction of the breathable switch cover, the temperature-sensing color-changing silica gel piece comprises a first end and a second end, a second accommodating cavity matched with the second end is arranged on the upper surface of the breathable switch cover, a second vent pipe matched with the first end and capable of being inserted into the first vent pipe is arranged at one side of the second accommodating cavity close to the first accommodating cavity in a downward extending mode, when the lunch box is heated or food with higher temperature is filled into the lunch box for heat preservation, the temperature-sensing color-changing silica gel piece is influenced by the steam temperature and is changed from green to white, when the temperature inside the lunch box is reduced, the temperature-sensing color-changing silica gel can be reduced along with the reduction of the steam, slowly change into green from white, the user can directly perceivedly see the temperature of food in the cutlery box, and the discernment of being convenient for avoids scalding.

Description

Lunch box

Technical Field

The utility model relates to a lunch box.

Background

Along with the acceleration of rhythm of life and work, the use of cutlery box is more and more extensive, for example people can just can be enough not to go out to the house through service platform and just can get required takeaway, for example hot water food, fast food etc. at present, these takeaway mostly use the cutlery box, and the cutlery box passes through the lid closing cap of cutlery box, but, when the cutlery box heats or loads into the food that the temperature is higher and keeps warm, the inside temperature of cutlery box rises, if the inside temperature of cutlery box reaches boiling water level 100 degrees, because the temperature of the food in the cutlery box can't directly perceivedly be seen to the user, probably cause the phenomenon that user (for example children) scalded.

In addition, the two sides of the conventional lunch box are often provided with the handrails, so that the lunch box is convenient for a user to move and use, but when soup food with higher temperature is filled in the lunch box, the user can easily scald hands, the size of the lunch box is increased, the weight of the lunch box is increased, the packaging cost of the lunch box is increased, and the injection molding cost of the lunch box is also increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a user is likely to be scalded because the user cannot visually see the temperature of food in the conventional lunch box, and provides a lunch box.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

provides a lunch box, which comprises a lunch box main body and a lunch box cover, wherein the lunch box cover is buckled on the lunch box main body, the lunch box cover is provided with a ventilation switch cover, the upper surface of the lunch box cover is provided with a first accommodating cavity matched with the ventilation switch cover, a first vent pipe penetrating through the bottom of the first accommodating cavity is arranged at one side of the bottom of the first accommodating cavity along the length direction, an L-shaped temperature-sensing color-changing silica gel piece is arranged in one side of the ventilation switch cover along the length direction, the temperature-sensing color-changing silica gel piece comprises a first end in a cylindrical shape and a second end arranged on one side of the top of the first end, the upper surface of the air-permeable switch cover is provided with a second accommodating cavity matched with the second end, and one side of the second accommodating cavity, which is close to the first accommodating cavity, extends downwards to form a second air-permeable pipe matched with the first end and can be inserted into the first air-permeable pipe.

Furthermore, a first step and a second step are arranged at the bottom of the first accommodating cavity along the length direction of the first accommodating cavity.

Furthermore, the first vent pipe is arranged on the second step, two clamping blocks which are arranged at intervals are arranged on the first step along the width direction of the first accommodating cavity, and first clamping grooves which are arranged along the width direction of the first accommodating cavity are correspondingly arranged at the tops of the clamping blocks respectively.

Furthermore, the lower surface of ventilative switch lid is equipped with one and is located two the support between the fixture block, but the both sides of support are equipped with a joint respectively and are in but the card post in the first draw-in groove, ventilative switch lid passes through the card post with the cooperation detachably lock of first draw-in groove is in the first chamber that holds.

Furthermore, the lunch box main body is further provided with a handle which can rotate relative to the lunch box main body, the handle is detachably assembled on the lunch box main body, two sides of the handle are respectively provided with a fixing hole, the lunch box main body is provided with two fixing columns which are matched with the fixing holes, and the handle can rotate relative to the lunch box main body through the matching of the fixing holes and the fixing columns.

Furthermore, two first retaining rings which are arranged at intervals and used for retaining the handle are arranged on the outer side wall of the lunch box body opposite to the handle, and a first handle buckle is arranged on the handle.

Furthermore, a circle of second clamping groove protruding upwards is annularly arranged at the bottom of the lunch box cover, and the lunch box cover is buckled on the lunch box main body through the second clamping groove.

Furthermore, the outer side wall of the second vent pipe is provided with two reinforcing ribs which are correspondingly arranged.

Furthermore, a second retaining ring for retaining the lunch box cover is arranged on the outer side wall of the lunch box main body, which is back to the handle, and a second handle buckle is further arranged on the lunch box cover.

Further, the lunch box cover can be a round lunch box cover or a square lunch box cover, and the lunch box body is a round lunch box body or a square lunch box body.

The lunch box comprises a lunch box body and a lunch box cover, wherein the lunch box cover is buckled on the lunch box body, a ventilation switch cover is arranged on the lunch box cover, a first accommodating cavity matched with the ventilation switch cover is arranged on the upper surface of the lunch box cover, a first ventilation pipe penetrating through the bottom of the first accommodating cavity is arranged at one side of the bottom of the first accommodating cavity along the length direction of the first accommodating cavity, an L-shaped temperature-sensing color-changing silica gel piece is arranged in one side of the ventilation switch cover along the length direction of the ventilation switch cover, the temperature-sensing color-changing silica gel piece comprises a cylindrical first end and a second end arranged at one side of the top of the first end, a second accommodating cavity matched with the second end is arranged on the upper surface of the ventilation switch cover, a second ventilation pipe matched with the first end and capable of being inserted into the first ventilation pipe is arranged at one side of the second accommodating cavity close to the first accommodating cavity in a downward extending mode, and therefore, when the lunch box is heated or foods with higher temperature are filled for heat preservation, temperature sensing color changing silica gel spare receives steam temperature's influence, become white by the green, decline as the inside temperature of cutlery box, temperature sensing color changing silica gel can slowly become green by white along with steam temperature's reduction, so that user identification, like this, the user just can directly perceivedly see the temperature of food in the cutlery box, can effectively avoid the phenomenon that the user scalded, thereby solved current cutlery box effectively because the user can't directly perceivedly see the temperature of food in the cutlery box, probably caused the technical problem that the user scalded.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lunch box provided in an embodiment of the utility model.

Fig. 2 is another schematic structural diagram of the lunch box provided in an embodiment of the utility model.

Fig. 3 is another schematic structural diagram of the lunch box provided in an embodiment of the utility model.

Fig. 4 is an exploded view of the lunch box according to an embodiment of the utility model.

Fig. 5 is an enlarged schematic view at a in fig. 4.

Fig. 6 is a diagram illustrating a state that a ventilation opening and closing cover of the lunch box according to an embodiment of the utility model is opened.

Fig. 7 is an enlarged schematic view at B in fig. 6.

Fig. 8 is a schematic cross-sectional view of a lunch box provided by an embodiment of the utility model.

Fig. 9 is a structural diagram of a ventilation opening and closing cover of the lunch box according to an embodiment of the utility model.

Fig. 10 is a structural view of the lunch box cover according to an embodiment of the present invention, in which the ventilation opening/closing cover and the thermochromic silicone rubber member are assembled together.

Fig. 11 is another structural diagram of the ventilation opening and closing cover of the lunch box according to an embodiment of the utility model.

Fig. 12 is a schematic cross-sectional view of a ventilation opening and closing cover of the lunch box according to an embodiment of the utility model.

Fig. 13 is a structural diagram of the main body of the lunch box cover according to an embodiment of the utility model.

Fig. 14 is a schematic structural view of a thermochromic silicone piece of the lunch box according to an embodiment of the utility model.

Fig. 15 is a schematic view illustrating a state that a handle of the lunch box cover is opened according to an embodiment of the utility model.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 15 together, an embodiment of the present invention provides a lunch box, including a lunch box main body 10 and a lunch box cover 20, wherein the lunch box cover 20 is fastened on the lunch box main body 10, a ventilation switch cover 30 is disposed on the lunch box cover 20, a first accommodating cavity 21 adapted to the ventilation switch cover 30 is disposed on an upper surface of the lunch box cover 20, a first vent pipe 213 penetrating through a bottom of the first accommodating cavity 21 is disposed at a bottom of the first accommodating cavity 21 along a length direction of the first accommodating cavity 21, an L-shaped temperature-sensitive color-changing silicone member 40 is disposed in one side of the ventilation switch cover 30 along the length direction of the ventilation switch cover, the temperature-sensitive color-changing silicone member 40 includes a cylindrical first end 42 and a second end 41 disposed at a top side of the first end 42, a second accommodating cavity 31 adapted to the second end 41 is disposed on an upper surface of the ventilation switch cover 30, and a side of the second accommodating cavity 31 adjacent to the first accommodating cavity 21 extends downward to be disposed with the first end 42 and is disposed with the first end 42 The second vent pipe 33 is adapted and can be inserted into the first vent pipe 213, so that the first end 42 of the temperature sensing color-changing silicone part 40 is assembled in the second accommodating cavity 31, the second end 41 of the temperature sensing color-changing silicone part 40 is assembled in the second vent pipe 33, the first vent pipe 213 penetrates through the bottom of the first accommodating cavity 21, the second vent pipe 33 is inserted into the first vent pipe 213, so that the steam in the lunch box can contact with the first end 42 of the temperature sensing color-changing silicone part 40 through the first vent pipe 213 and the second vent pipe 33, the temperature sensing color-changing silicone part 40 can sense the steam temperature in the lunch box, the material of the temperature sensing color-changing silicone part 40 is temperature sensing color-changing silicone, when the temperature is normal, the color of the temperature sensing color-changing silicone is green, when the lunch box is heated or food with higher temperature is filled for heat preservation, when the temperature in the lunch box reaches 100 ℃ of the boiling water level, the temperature sensing allochroic silica gel is influenced by the steam temperature and changes from green to white, when the temperature in the lunch box is reduced, the temperature-sensing color-changing silica gel can be gradually changed from white to green along with the reduction of the steam temperature, that is, the molecular structure of the organic matter is changed by the temperature-sensing color-changing silica gel due to electron transfer at a specific temperature, thereby realizing color conversion, the color change not only has bright color, but also can realize color change from a 'colored-colorless' state, the temperature sensing silica gel piece 40 is designed into a thermometer mode, and after a plurality of temperature tests, the temperature scales (such as 25 degrees, 50 degrees or 100 degrees) are divided according to the temperature of the gradient color so as to be convenient for a user to identify, so that the user can visually see the temperature of food in the lunch box, and the phenomenon that children or the user are scalded can be effectively avoided.

In this embodiment, as shown in fig. 5, a first step 211 and a second step 212 are disposed on the first step 211 along the length direction of the bottom of the first accommodating cavity 21.

In this embodiment, as shown in fig. 5, 7 and 8, the first ventilation tube 213 is disposed on the second step 212, two fixture blocks 214 are disposed on the first step 211 along the width direction of the first accommodating cavity 21 at intervals, and a first fixture groove 215 disposed along the width direction of the first accommodating cavity 21 is correspondingly disposed at the top of each fixture block 214.

In this embodiment, as shown in fig. 8, 11 and 12, a bracket 32 located between two of the clamping blocks 214 is disposed on a lower surface of the ventilation switch cover 30, two sides of the bracket 32 are respectively provided with a clamping column 321 that can be clamped in the first clamping groove 215, the ventilation switch cover 30 is detachably clamped in the first accommodating cavity 21 through the matching of the clamping column 321 and the first clamping groove 215, so as to clamp the ventilation switch cover 30 and the lunch box cover 20 together, and when two sides of the ventilation switch cover 30 are respectively pressed, the clamping column 321 can rotate in the first clamping groove 215, so as to open or close the ventilation switch cover 30.

In this embodiment, as shown in fig. 5, 6, 7 and 8, when the steam in the lunch box needs to be released, the side of the air permeable switch cover 30 away from the thermochromic silicone rubber member 40 is pressed, the locking column 321 can rotate in the first locking groove 215, since the air permeable switch cover 30 is assembled in the first accommodating cavity 21, and the bottom of the first accommodating cavity 21 is provided with a first step 211 and a second step 212 arranged on the first step 211 along the length direction thereof, the first vent pipe 213 is arranged on the second step 212, the side of the air permeable switch cover 30 away from the thermochromic silicone rubber member 40 descends towards the first step 211, the second vent pipe 33 rises upwards along with the air permeable switch cover 30, and the second vent pipe 33 is pulled out from the first vent pipe 213, thus, the steam in the box is evaporated from the first ventilation tube 213 to lower the temperature in the box.

In this embodiment, the main body 20 of the meal box is further provided with a handle 50 capable of rotating relative to the main body 20 of the meal box, and the handle 50 is detachably assembled on the main body 20 of the meal box, the handle 50 can be rotated relative to the box body 20, so as to open the handle 50, or the handle 50 is closed, so that when the lunch box is not used, the handle 50 can be closed and collected at one side of the lunch box body 20, when the lunch box is used, the handle 50 is opened, the two sides of the handle 50 are respectively provided with a fixing hole 52, the main body 20 of the lunch box is provided with two fixing posts 12 matching with the fixing holes 52, the handle 50 can rotate relative to the main body 20 of the lunch box through the matching of the fixing holes 52 and the fixing posts 12, the detachable assembly mode is beneficial to detachment and cleaning, and prevents food residue from remaining to pollute the lunch box.

In this embodiment, two first retaining rings 11 disposed at intervals for retaining the handle 50 are disposed on the outer side wall of the lunch box body 10 opposite to the handle 50, and a first handle fastener 51 is disposed on the handle 50.

In this embodiment, a ring of second clamping grooves 22 protruding upwards is annularly arranged at the bottom of the lunch box cover 20, and the lunch box cover 20 is fastened on the lunch box main body 10 through the second clamping grooves 22, so as to improve the sealing performance of the lunch box cover 20 and the lunch box main body 10.

In this embodiment, two corresponding reinforcing ribs 331 are respectively disposed on the outer side wall of the second vent pipe 33 to increase the firmness of the vent switch cover 30.

In this embodiment, the outer side wall of the lunch box main body 10 opposite to the handle 50 is provided with a second retaining ring 13 for retaining the lunch box cover 20, and the lunch box cover 20 is further provided with a second handle buckle 23 for opening the lunch box cover 20.

It should be noted that, in this embodiment, the lunch box cover 20 may be a circular lunch box cover or a square lunch box cover, and the corresponding lunch box body 10 is a circular lunch box body or a square lunch box body, here, the utility model does not limit that the lunch box cover 20 is only a circular lunch box cover or a square lunch box cover, and the lunch box cover 20 may also be in other shapes.

The lunch box comprises a lunch box body and a lunch box cover, wherein the lunch box cover is buckled on the lunch box body, a ventilation switch cover is arranged on the lunch box cover, a first accommodating cavity matched with the ventilation switch cover is arranged on the upper surface of the lunch box cover, a first ventilation pipe penetrating through the bottom of the first accommodating cavity is arranged at one side of the bottom of the first accommodating cavity along the length direction of the first accommodating cavity, an L-shaped temperature-sensing color-changing silica gel piece is arranged in one side of the ventilation switch cover along the length direction of the ventilation switch cover, the temperature-sensing color-changing silica gel piece comprises a cylindrical first end and a second end arranged at one side of the top of the first end, a second accommodating cavity matched with the second end is arranged on the upper surface of the ventilation switch cover, a second ventilation pipe matched with the first end and capable of being inserted into the first ventilation pipe is arranged at one side of the second accommodating cavity close to the first accommodating cavity in a downward extending mode, and therefore, when the lunch box is heated or foods with higher temperature are filled for heat preservation, temperature sensing color changing silica gel spare receives steam temperature's influence, become white by the green, decline as the inside temperature of cutlery box, temperature sensing color changing silica gel can slowly become green by white along with steam temperature's reduction, so that user identification, like this, the user just can directly perceivedly see the temperature of food in the cutlery box, can effectively avoid the phenomenon that the user scalded, thereby solved current cutlery box effectively because the user can't directly perceivedly see the temperature of food in the cutlery box, probably caused the technical problem that the user scalded.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A lunch box, which comprises a lunch box body and a lunch box cover, wherein the lunch box cover is buckled on the lunch box body, it is characterized in that the lunch box cover is provided with a ventilation switch cover, the upper surface of the lunch box cover is provided with a first accommodating cavity matched with the ventilation switch cover, a first vent pipe penetrating through the bottom of the first accommodating cavity is arranged at one side of the bottom of the first accommodating cavity along the length direction, an L-shaped temperature-sensing color-changing silica gel piece is arranged in one side of the ventilation switch cover along the length direction, the temperature-sensing color-changing silica gel piece comprises a first end in a cylindrical shape and a second end arranged on one side of the top of the first end, the upper surface of the air-permeable switch cover is provided with a second accommodating cavity matched with the second end, and one side of the second accommodating cavity, which is close to the first accommodating cavity, extends downwards to form a second air-permeable pipe matched with the first end and can be inserted into the first air-permeable pipe.

2. The lunch box of claim 1, wherein the bottom of the first receiving cavity is provided with a first step and a second step along the length direction of the first receiving cavity.

3. The meal box of claim 2, wherein the first vent pipe is disposed on the second step, two spaced-apart blocks are disposed on the first step along the width direction of the first receiving cavity, and a first engaging groove is correspondingly disposed on the top of each block along the width direction of the first receiving cavity.

4. A lunch box as claimed in claim 3, wherein a support is provided on the lower surface of the lid for opening and closing the vent, the support is provided with a locking post on each side for locking in the first locking groove, and the lid for opening and closing the vent is detachably locked in the first receiving cavity by the locking post and the first locking groove.

5. The lunch box of claim 1, wherein the main body of the lunch box is further provided with a handle capable of rotating relative to the main body of the lunch box, the handle is detachably assembled on the main body of the lunch box, two sides of the handle are respectively provided with a fixing hole, the main body of the lunch box is provided with two fixing posts matched with the fixing holes, and the handle can rotate relative to the main body of the lunch box through the matching of the fixing holes and the fixing posts.

6. The cutlery box of claim 5, wherein the exterior side wall of the body of the cutlery box opposite the handle is provided with two spaced first retaining rings for retaining the handle, the handle being provided with a first handle catch.

7. The lunch box of claim 1, wherein the bottom of the box cover is surrounded by a ring of second slots protruding upwards, and the box cover is fastened to the box body through the second slots.

8. The cutlery box of claim 1, wherein the outer sidewall of the second gas permeable tube is provided with two correspondingly disposed ribs.

9. The lunch box of claim 5, wherein a second retaining ring for retaining the box cover is disposed on an outer side wall of the main body of the lunch box opposite to the handle, and a second handle buckle is disposed on the box cover.

10. A cutlery box as claimed in claim 1, wherein the lid is a circular lid or a square lid and the body is a circular body or a square body.

Images