Automatic exhaust type food container

Abstract

The utility model belongs to the technical field of food containers, and particularly relates to an automatic exhaust type food container which comprises a box body and a cover body detachably connected with the box body, a cover side wall is formed at the lower end of the cover body, a box side wall making contact with the cover side wall is formed at an upper end opening of the box body, and a gap allowing gas to pass through is formed between the box side wall and the cover side wall. An annular sealing strip used for sealing the gap is arranged on the outer side wall of the cover side wall and comprises first sealing strips located on the left side and the right side of the cover side wall and second sealing strips located on the front side and the rear side of the cover side wall, and the horizontal positions of the second sealing strips are higher than the horizontal positions of the first sealing strips. When the meal box is placed in a microwave oven to be heated, the air pressure inside the box body is higher than the air pressure outside the box body, and the cover body is pushed to continuously move upwards on the box side wall through the annular sealing strip, so that the automatic exhaust and pressure relief function is realized, and the conditions of overhigh air pressure inside the heated meal box, explosion and the like are effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to food container technical field, especially an automatic exhaust food container. BACKGROUND

[0002] The existing meal box is slightly opened when being put into the microwave oven, so as to prevent the meal box from being burst due to sealing, which is relatively inconvenient.

[0003] Therefore, people design a high-temperature-resistant environmental protection meal box with an exhaust groove, such as Chinese utility model, patent No. CN201820924468.3, including box body, the lug connected to the upper end of the outer side wall of the box body, the eyelet connected to the lower end of the lug, the box cover matched with the box body and the buckle cover matched with the eyelet hinged to the lower end of the box cover, by adding horizontal plate, extrusion rod, top rod and other structures, when the horizontal plate is inserted into the strip-shaped groove, it will move upward, extruding the extrusion rods on both sides, the top rod is in contact with the upper end of the extrusion rod, so that the top rod moves upward and drives the sealing plug to separate from the sealing ring, the first air hole, the mounting cavity and the second air hole are through, which plays the effect of exhaust.

[0004] The exhaust structure is relatively complex, and the production cost is high, so it needs to be further improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an automatic exhaust food container, which solves the problem of complex existing exhaust structure through the annular sealing strip.

[0006] The utility model is implemented in the following way: an automatic exhaust food container, which comprises a box body and a cover body detachably connected to the box body, the lower end of the cover body is formed with a cover side wall, the upper end of the box body is formed with a box side wall in contact with the cover side wall, a gap for gas passing is arranged between the box side wall and the cover side wall, an annular sealing strip for sealing the gap is arranged on the outer side wall of the cover side wall, the annular sealing strip comprises a sealing strip one on the left and right sides of the cover side wall and a sealing strip two on the front and back sides of the cover side wall, and the horizontal position of the sealing strip two is higher than that of the sealing strip one.

[0007] Preferably, the cover side wall comprises a step part one and a side wall part one, the box side wall comprises a step part two and a side wall part two, and a gap for gas passing is arranged between the side wall part one and the side wall part two.

[0008] Preferably, the outer side wall of the side wall part one is provided with an annular sealing strip for sealing the gap, and the inner side wall of the side wall part one is provided with a reinforcing rib.

[0009] Preferably, a diagonal transition strip is formed between the sealing strip one and the sealing strip two.

[0010] Preferably, one side of the upper port of the box body is formed with a notch, and the notch extends with a pulling ear part.

[0011] The utility model discloses compared with prior art has the beneficial technical effects of being prominent and:

[0012] The utility model discloses a ring sealing strip's design makes in normal use, the cover body can be sealed to the box body, improves the storage time of food in the box body, and prevents the smell, is more sanitary, when meal box is put into microwave oven and is heated, the temperature in the box body rises, and its internal air pressure also increases equally, when the air pressure in the box body is higher than the air pressure outside the box body, will promote the cover body to move up continuously on the box lateral wall through the ring sealing strip, until when sealing strip no. 2 of the higher side leaves the contact surface with the cover lateral wall, the cover body stops moving, and the clearance between the box lateral wall and the cover lateral wall opens, and the high pressure gas produced in the box body cavity is discharged to the outside of the box body through the clearance, thereby realizing automatic exhaust pressure relief function, effectively prevent the air pressure in meal box after heating to be too high, and produce explosion etc. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is the part explosion structure schematic diagram of the utility model.

[0015] Figure 3 It is the overhead structure schematic diagram of the utility model.

[0016] Figure 4 It is Figure 3 It is the structure section view schematic diagram of A-A place in.

[0017] Figure 5 It is Figure 4 It is the section structure schematic diagram after the cover body rises.

[0018] Fig. 1-Box body;2-Cover body;3-Cover lateral wall;3a-Step part one;3b-Side wall part one;4-Box lateral wall;4a-Step part two;4b-Side wall part two;5-Gap;6-Ring sealing strip;6a-Sealing strip one;6b-Sealing strip two;7-Stiffener;8-Inclined transition strip;9-Notch;10-Pulling ear part. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further explained in detail below in connection with the drawings.

[0020] For example, Figures 1-5As shown, an automatic exhaust food container comprises a box body 1 and a cover body 2 detachably connected with the box body 1, the lower end of the cover body 2 is formed with a cover side wall 3, the upper end of the box body 1 is formed with a box side wall 4 in contact with the cover side wall 3, a gap 5 for gas passing is arranged between the box side wall 4 and the cover side wall 3, the outer side wall of the cover side wall 3 is provided with an annular sealing strip 6 for sealing the gap 5, the annular sealing strip 6 comprises a sealing strip one 6a on the left and right sides of the cover side wall 3 and a sealing strip two 6b on the front and rear sides of the cover side wall 3, and the horizontal position of the sealing strip two 6b is higher than that of the sealing strip one 6a.

[0021] The annular sealing strip 6 is designed, so that the cover body 2 can seal the box body 1 during normal use, the storage time of food in the box body is prolonged, and the food is prevented from being mixed with other food, and the food is more sanitary, when the meal box is placed in a microwave oven for heating, the temperature in the box body 1 is increased, and the internal pressure is also increased, when the internal pressure of the box body is higher than that of the outside of the box body, the cover body 2 is pushed to continuously move upward on the box side wall 4 through the annular sealing strip 6, until the sealing strip two 6b on the higher side is separated from the contact surface of the cover side wall 3, the cover body 2 stops moving, the gap 5 between the box side wall 4 and the cover side wall 3 is opened, and the high-pressure gas generated in the box body is discharged to the outside of the box body through the gap 5, so that the automatic exhaust and pressure relief function is realized, and the internal pressure of the meal box after heating is prevented from being too high, and explosion and other conditions are effectively prevented.

[0022] The cover side wall 3 comprises a step part one 3a and a side wall part one 3b, the box side wall 4 comprises a step part two 4a and a side wall part two 4b, and the gap 5 for gas passing is arranged between the side wall part one 3b and the side wall part two 4b, during normal use, the cover body 2 is arranged on the upper end of the box body 1, the gap 5 can be sealed through the annular sealing strip 6, the smell in the box body is prevented from leaking, and the sealing effect is improved through the elastic abutment between the step part and the side wall part, and the cover body is effectively prevented from falling off.

[0023] The outer side wall of the side wall part one 3b is provided with the annular sealing strip 6 for sealing the gap 5, and the inner side wall of the side wall part one 3b is provided with a reinforcing rib 7 to improve the strength of the cover body as a whole, so that the cover body is not easy to deform and the service life is prolonged.

[0024] The annular sealing strip 6 is designed, so that the cover body 2 can seal the box body 1 during normal use, the storage time of food in the box body is prolonged, and the food is prevented from being mixed with other food, and the food is more sanitary, when the meal box is placed in a microwave oven for heating, the temperature in the box body 1 is increased, and the internal pressure is also increased, when the internal pressure of the box body is higher than that of the outside of the box body, the cover body 2 is pushed to continuously move upward on the box side wall 4 through the annular sealing strip 6, until the sealing strip two 6b on the higher side is separated from the contact surface of the cover side wall 3, the cover body 2 stops moving, the gap 5 between the box side wall 4 and the cover side wall 3 is opened, and the high-pressure gas generated in the box body is discharged to the outside of the box body through the gap 5, so that the automatic exhaust and pressure relief function is realized, and the internal pressure of the meal box after heating is prevented from being too high, and explosion and other conditions are effectively prevented.

[0025] One side of the upper end of the box body 1 is formed with a notch 9, and a pulling ear part 10 is extended at the notch 9, so as to facilitate opening of the cover body and convenient use.

[0026] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic venting food container characterized by, The utility model relates to a box, which comprises a box body (1) and a cover body (2) detachably connected with the box body (1), the lower end of the cover body (2) is formed with a cover side wall (3), the upper end of the box body (1) is formed with a box side wall (4) in contact with the cover side wall (3), a gap (5) for gas passing is arranged between the box side wall (4) and the cover side wall (3), the outer side wall of the cover side wall (3) is provided with an annular sealing strip (6) for sealing the gap (5), the annular sealing strip (6) comprises a sealing strip one (6a) on the left and right sides of the cover side wall (3) and a sealing strip two (6b) on the front and back sides of the cover side wall (3), and the horizontal position of the sealing strip two (6b) is higher than that of the sealing strip one (6a).

2. The self-venting food container of claim 1, wherein: The cover side wall (3) comprises a step part one (3a) and a side wall part one (3b), the box side wall (4) comprises a step part two (4a) and a side wall part two (4b), and the gap (5) for gas passing is arranged between the side wall part one (3b) and the side wall part two (4b).

3. The self-venting food container of claim 2, wherein: The outer side wall of the side wall part one (3b) is provided with the annular sealing strip (6) for sealing the gap (5), and the inner side wall of the side wall part one (3b) is provided with a reinforcing rib (7).

4. The self-venting food container of claim 1, wherein: The sealing strip one (6a) and the sealing strip two (6b) are formed with an oblique transition strip (8) therebetween.

5. The self-venting food container of claim 1, wherein: One side of the upper end of the box body (1) is formed with a notch (9), and the notch (9) extends a pulling ear part (10).

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