CN212754646U

CN212754646U - Lunch box

Info

Publication number: CN212754646U
Application number: CN202021814261.4U
Authority: CN
Inventors: 杨蛟龙
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-23
Anticipated expiration: 2030-08-26

Abstract

The utility model provides a lunch box, includes that box body and lid close the lid on the box body, and the edge of lid is provided with the sealing washer, has compact structure on the lateral wall of sealing washer, closes the back when the lid with the box body lid, and compact structure compresses tightly each other with the inner wall of box body. The utility model discloses a cutlery box has adopted double-deck seal structure, has two gaskets on the sealing member, has reduced the required precision of cutlery box and sealing member like this, has also reduced the probability of sealed inefficacy, and is sealed effectual, and the hot water juice is difficult for spilling to simple to operate easily dismantles the washing.

Description

Lunch box

Technical Field

The utility model belongs to the tableware field especially relates to a cutlery box.

Background

The existing sealed lunch box is often realized through a sealing ring, the structure is complex, the cost is high, and the main function is not for sealing but for preventing a nut from loosening. If only one layer of sealing is provided, or the sealing amount is too large, the assembly is difficult; or the sealing quantity is too small, so that the problem of insufficient sealing strength exists; in addition to the problem of consistency of materials, the probability of sealing failure is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cutlery box to it is not enough to solve sealing strength, and the probability of sealed inefficacy increases, and sealed volume is too big difficult assembly structure complicacy, the higher technical problem of cost.

In order to achieve the above object, the utility model discloses a specific technical scheme as follows:

the utility model provides a lunch box, includes that box body and lid close the lid on the box body, and the edge of lid is provided with the sealing washer, has compact structure on the lateral wall of sealing washer, closes the back when the lid with the box body lid, and compact structure compresses tightly each other with the inner wall of box body.

Furthermore, the compressing structure is an elastic pressing sheet integrally formed with the sealing ring.

Further, the edge that is close to the lid on the lower terminal surface of lid is fixed with annular plug connector, the periphery at the plug connector is established to the sealing washer adapter sleeve.

Furthermore, the pressing sheet comprises a first pressing sheet and a second pressing sheet, the first pressing sheet is located at the upper end of the outer side wall of the sealing ring, the second pressing sheet is located at the lower end of the outer side wall of the sealing ring, and the first pressing sheet is correspondingly located above the second pressing sheet.

Further, an included angle is formed between the pressing sheet and the side wall of the sealing ring, and the pressing sheet inclines upwards relative to the horizontal plane.

Furthermore, the included angle between the pressing sheet and the sealing ring is 45-90 degrees.

Further, the upper end opening edge of box body turns over outwards, and the linking department between folding part and the box body inside wall is the arc transition, and arc linking department forms the arc chamfer, first preforming compresses tightly with the cooperation of arc chamfer, the second preforming compresses tightly with the inside wall cooperation of box body.

Further, the length of the first pressing sheet is smaller than that of the second pressing sheet.

Further, the pressing sheets are respectively arranged at two ends of the sealing ring or a plurality of pressing sheets are arranged around the sealing ring.

Further, the sealing ring and the pressing structure are made of colloid materials.

The utility model discloses a cutlery box has following advantage: adopt double-deck seal structure, have two gaskets on the sealing member, reduced the required precision of cutlery box and sealing member like this, also reduced the probability of sealed inefficacy, sealed effectual, the soup is difficult for spilling to simple to operate easily dismantles and washs.

Drawings

FIG. 1 is a sectional view of the lunch box of the present invention;

FIG. 2 is a schematic view of the lid structure of the lunch box of the present invention;

FIG. 3 is a schematic view of the sealing ring structure of the lunch box of the present invention;

FIG. 4 is a perspective view of the structure of the lunch box of the present invention;

fig. 5 is a top view of the structure of the lunch box of the present invention.

The notation in the figure is: 1. a box body; 11. a chamber; 12. a second annular flange; 13. arc chamfering; 2. a box cover; 21. a vent valve; 22. a plug-in unit; 221. a first annular flange; 3. a seal ring; 4. tabletting; 41. a first tablet; 42. and (7) second tabletting.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

The utility model discloses a lunch box, which comprises a box body 1 and a box cover 2; the box cover 2 is provided with a through hole, the through hole on the box cover 2 is provided with a vent valve 21 communicated with the interior of the box body 1, and when the air pressure in the box body 1 is too large or too small, the vent valve 21 is opened to enable the air inside and outside the lunch box to flow and exchange through the through hole of the box cover 2; the lower end face of the box cover 2 is fixedly provided with an annular plug-in connector 22, the annular plug-in connector 22 is positioned on the inner periphery of the edge of the box body 2, and the plug-in connector 22 is usually used for being inserted into the box body 1 and mutually clamped with the inner side wall of the box body 1; in order to enable the plug-in unit 22 of the box cover 2 to be clamped with the inner side wall of the box body 1, a tightly clamped annular sealing ring 3 is generally sleeved on the periphery of the plug-in unit 22, a first annular flange 221 protruding towards the peripheral direction of the box cover 2 is fixedly arranged around the lower end edge of the plug-in unit 22, the sealing ring 3 is limited on the upper side of the first annular flange 221 by the first annular flange 221, the sealing ring 3 is not easy to fall off by the first annular flange 221, and after the box body 1 is covered by the box cover 2, the sealing ring 3 is inserted into the box body 1 and clamped with the inner side wall of the box body 1; the interior of the cartridge body 1 is a chamber 11, the interior of the cartridge body 1 may have only one chamber 11, or may have two or more independent chambers 11, and two or more independent chambers 11 may be equal or unequal.

The utility model discloses a cutlery box mainly improves the part and lies in: the outer side wall of the sealing ring 3 is provided with an integrally formed pressing structure, the pressing structure is preferably an elastic pressing sheet 4, the pressing sheet 4 comprises a first pressing sheet 41 and a second pressing sheet 42, the first pressing sheet 41 is arranged above the second pressing sheet 42, the first pressing sheet 41 and the second pressing sheet 42 correspond to each other, the first pressing sheet 41 and the second pressing sheet 42 incline upwards relative to the sealing ring 3, after the box body 1 is covered by the box cover 2, the first pressing sheet 41 and the second pressing sheet 42 are inserted into the box body 1 and mutually pressed with the inner side wall of the box body 1, in order to enable the sealing compression amount of the pressing sheet 4 and the box body 1 to be more, an included angle formed between the first pressing sheet 41 and the outer side wall of the sealing ring 3 is 45-90 degrees, a second annular flange 12 protruding towards the peripheral direction of the box body 1 is arranged around the opening edge of the upper end of the box body 1, the joint of the second annular flange 12 and the inner side wall of the box body, the arc transition part forms arc chamfer 13, and second preforming 42 bears the main sealing effect, is used for compressing tightly on the inside wall of box body 1, and first preforming 41 is used for compressing tightly at the arc chamfer 13 department of box body 1, and as preferred, second preforming 42 is slightly longer than the length of first preforming 41, and preforming 4 can set up respectively at the both ends of sealing washer 3, also can encircle sealing washer 3 and set up a plurality of preforming 4, except first preforming 41 and second preforming 42, also can vertically set up a plurality of preforming on the lateral wall of sealing washer 3.

The space between the first pressing plate 41 and the second pressing plate 42 and the inner sidewall of the case 1 is very small, and the pressure is higher the less the space is compressed according to the relationship between the pressure and the space, so that water is more difficult to permeate, and the sealing effect is good.

The shapes of the box body 1 and the box cover 2 include, but are not limited to, square, rectangle, circle, ellipse, etc., the box body 1 is preferably made of stainless steel or glass, the box cover 2 is preferably made of plastic, and the sealing ring 3 and the pressing sheet 4 are preferably made of rubber.

The utility model discloses a cutlery box has adopted double-deck seal structure, has two gaskets on the sealing member, has reduced the required precision of cutlery box and sealing member like this, has also reduced the probability of sealed inefficacy, and is sealed effectual, and the hot water juice is difficult for spilling to simple to operate easily dismantles and washs.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a lunch box, includes that box body (1) and lid close lid (2) on box body (1), and the edge of lid (2) is provided with sealing washer (3), its characterized in that has compact structure on the lateral wall of sealing washer (3), closes the back when lid (2) with box body (1), and compact structure compresses tightly each other with the inner wall of box body (1).

2. Cutlery box according to claim 1, characterized in that the pressing structure is a resilient pressing piece (4) integrated with the sealing ring (3).

3. A lunch box according to claim 1, characterised in that an annular connector (22) is fixed to the lower end face of the box cover (2) at the edge close to the box cover (2), and the sealing ring (3) is tightly fitted around the periphery of the connector (22).

4. Cutlery box according to claim 2, characterized in that the pressing piece (4) comprises a first pressing piece (41) and a second pressing piece (42), the first pressing piece (41) is located at the upper end of the outer side wall of the sealing ring (3), the second pressing piece (42) is located at the lower end of the outer side wall of the sealing ring (3), and the first pressing piece (41) is correspondingly located above the second pressing piece (42).

5. Cutlery box according to claim 2, characterised in that the pressing tab (4) forms an angle with the side wall of the sealing ring (3), the pressing tab (4) being inclined upwards in relation to the horizontal plane.

6. Cutlery box according to claim 5, characterized in that the angle between the pressing sheet (4) and the sealing ring (3) is between 45 ° and 90 °.

7. The lunch box as claimed in claim 4, wherein the upper opening edge of the box body (1) is folded outwards, the joint between the folded part and the inner side wall of the box body (1) is an arc transition, the arc joint forms an arc chamfer (13), the first pressing piece (41) is matched and pressed with the arc chamfer (13), and the second pressing piece (42) is matched and pressed with the inner side wall of the box body (1).

8. Cutlery box according to claim 7, characterized in that the length of the first tab (41) is smaller than the length of the second tab (42).

9. Cutlery box according to claim 2, characterized in that the pressing piece (4) is arranged at both ends of the sealing ring (3) or a plurality of pressing pieces (4) are arranged around the sealing ring (3), respectively.

10. Cutlery box according to claim 1, characterized in that the sealing ring (3) and the pressing structure are of a glue material.