Heat preservation container

The insulated container, with its snap-fit ​​structure and air inlet valve design, solves the problems of difficult-to-open lids and inconvenient cleaning caused by negative pressure, achieving convenient opening and sealing, and improving the user experience and insulation effect.

CN223982890UActive Publication Date: 2026-03-10蔡云程
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-26
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing insulated containers are prone to negative pressure when food temperature drops, making it difficult to open the lid. Furthermore, traditional connection methods or valve designs present inconveniences in use and difficulties in cleaning.

Method used

It adopts a snap-on structure, and the latch can be disengaged from the convex ring by pressing the operating part of the sliding part with the thumb and forefinger, so as to open the container lid conveniently. It is equipped with an air inlet valve and an air outlet valve to maintain internal air pressure balance, and the design of the upper and lower lids can be removed for easy cleaning.

Benefits of technology

It achieves convenient opening and sealing of the container lid, avoids the effects of negative pressure, simplifies the cleaning process, and improves the user experience and heat preservation effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223982890U_ABST
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Abstract

The utility model discloses a heat preservation container which comprises a container body and a container cover. The container cover is composed of an upper cover and a lower cover, and the upper cover and the lower cover form a detachable structure. The upper cover downwards forms a side edge on the plane, the plane extends outwards to form a flange, an inwards-concave and outwards-convex step is formed on the plane, extending holes are formed in the left side and the right side of the step, and tongue holes are formed in the left side and the right side of the side edge; a convex ring is formed inside the opening of the container body; the pair of sliding pieces is mounted in the step; the upper part of the sliding piece is an operation part, and the lower part of the sliding piece is a clamping tongue; the sliding piece extends out of the extending hole from the operating part, and the clamping tongue extends out of the tongue hole; a compression spring is arranged between the two sliding pieces, and the two sliding pieces are jacked by the compression spring; the container cover can be arranged at the opening of the container body, the flange is located on the upper edge of the convex ring, the clamping tongue can be clamped at the lower edge of the convex ring, and the container cover is fixed at the opening of the container. The heat preservation container has the advantage that the container cover is easy and convenient to open.
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Description

Technical Field

[0001] This utility model pertains to a household kitchen appliance, specifically a portable tableware, which is an insulated container that is easy to open and easy to clean. Background Technology

[0002] Currently, insulated containers are widely used in daily life. People use them to store and carry food. Because of their airtightness, food can maintain a certain temperature during storage or transport, and soup is not easily spilled, which is why they are so popular.

[0003] These types of insulated containers, while possessing sealing properties, often have some shortcomings in use: for example, when the food temperature inside the container drops, negative pressure can easily form inside, making the container lid difficult to open; another example is that, to facilitate opening the container lid under negative pressure, a screw-on connection method is used between the lid and the container, but this adds inconvenience to use, requiring the user to use both hands to open the lid; yet another improvement has been made by installing an air valve on the container lid to allow air to enter from the outside when negative pressure occurs, but the presence of the air valve makes the various parts inside the container lid susceptible to contamination from food residue. Summary of the Invention

[0004] The purpose of this utility model is to provide an insulated container that uses a snap-lock mechanism to lock the container lid. The user can open the snap-lock simply by pressing with their thumb and forefinger, making it easy to open.

[0005] A further objective of this invention is to provide an insulated container with a simple snap-on mechanism that allows for easy disassembly and installation by consumers, facilitating the cleaning of various components.

[0006] Its objective is achieved through the following schemes:

[0007] An insulated container includes a container body and a container lid; the container lid consists of an upper lid and a lower lid, which form a detachable structure; characterized in that: the upper lid forms a side edge facing downwards on a plane, and a flange extends outwards from the plane; a step with an inward concave and outward convex shape is also formed on the plane; the step has protrusion holes on both the left and right sides; the side edge has tongue holes on both the left and right sides corresponding to the protrusion holes; a convex ring is formed inside the opening of the container body; a pair of sliding members are arranged on the left and right sides and installed in the step; the sliding members are horizontally U-shaped, with an operating part at the top and a latch at the bottom; the sliding members extend from the protrusion holes through their operating parts, while the latch extends from the tongue holes; a compression spring is also installed between the two sliding members, which pushes the operating part and the latch to extend to the maximum extent; the container lid can be placed at the opening of the container body, with the flange located on the upper edge of the convex ring, and the latch can be locked at the lower edge of the convex ring.

[0008] In this way, when it is necessary to open the container lid, the user can press the operating part of the two sliding parts with the thumb and forefinger, so that the two sliding parts overcome the action of the compression spring and move inward, thereby causing the latches of the two sliding parts to disengage from the lower edge of the convex ring and retract into the two tongue holes, so that the container lid can be separated from the top of the container body.

[0009] Preferably, in the above solution, a sealing ring is installed on the side edge of the lower cover. This sealing ring can form a tight fit with the inner side of the container body, so that the container cover and the container body can be sealed, thereby further improving the heat preservation effect.

[0010] Even better, the above solution also includes an air inlet valve and an air outlet valve on the lower cover, which ensures that the air pressure inside the container is consistent with the outside air pressure. This ensures that the container lid can be opened easily and prevents the hot air inside the container from easily pushing the lid open and splashing out, potentially scalding the user.

[0011] Ideally, in the above design, a handle is formed on the outer side of the bottom of the lower cover to facilitate disassembly or assembly, allowing the lower cover to be easily separated from or combined with the upper cover, thus facilitating cleaning of the inside of the container lid.

[0012] The insulated container created by this invention allows the two latches to disengage from the protruding ring by pressing the operating parts of the two sliding parts, so that the container lid can be separated from the top of the container, which has the feature that allows the user to open the container lid with one hand.

[0013] The insulated container of this invention has an air inlet valve and an air outlet valve installed on the container lid, so that the air pressure inside the container is consistent with the outside air pressure. Therefore, it can be ensured that the container lid can be opened by the latch without being affected by negative pressure, and there will be no problem of liquid splashing out when the air pressure increases.

[0014] This insulated container has a detachable lid consisting of an upper cover and a lower cover. The snap-on mechanism only includes a sliding part and a compression spring, making it very convenient to disassemble and install, and also very easy to clean. Attached Figure Description

[0015] Figure 1 This is a partial cross-sectional schematic diagram of the thermal insulation container of this utility model;

[0016] Figure 2 yes Figure 1 An exploded view of the container lid in an insulated container;

[0017] Figure 3 yes Figure 1 A bottom view of the insulated container with the top and bottom covers separated.

[0018] Figure 4 yes Figure 1A cross-sectional view of the lid of an insulated container. Detailed Implementation

[0019] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings:

[0020] Reference Figure 1 — Figure 4 The insulated container of this specific embodiment includes a container body 1, a container lid 2, a pair of sliding parts 3, a compression spring 4, a sealing ring 5, an air inlet valve 6, and an air outlet valve 7; wherein: the container lid 2 is composed of an upper lid 21 and a lower lid 22, which form a detachable structure; the upper lid 21 forms a side edge 212 downward on a plane 211, and a flange 211a extends outward from the plane; a step 213 with an inward concave and outward convex shape is also formed on the plane 211, and an extension hole 213a is opened on both the left and right sides of the step 213; a tongue hole 212a is opened on both the left and right sides of the side edge 212 at the position corresponding to the extension hole 213a; the opening of the container body 1 A convex ring 1a is formed; a pair of sliding members 3 are arranged on the left and right sides and installed in the step 213; the sliding members 3 are horizontal U-shaped, with the upper part being the operating part 31 and the lower part being the latch 32; the sliding members 3 extend from the extension hole 213a through their operating part 31, while the latch 32 extends from the tongue hole 212a; a compression spring 4 is also installed between the two sliding members 3, which pushes against the operating part 31 and the latch 32 to extend to the maximum extent; the container lid 2 can be placed at the opening of the container body 1, with the flange 211a located on the upper edge of the convex ring 1a, and the latch 32 can be locked at the lower edge of the convex ring 1a, thereby fixing the container lid 2 at the opening of the container body 1.

[0021] In addition, a sealing ring 5 can be installed on the outer edge of the lower cover 22. The sealing ring 5 can form a tight fit with the inner wall of the container body 1 to further improve the sealing performance. Furthermore, an air inlet valve 6 and an air outlet valve 7 are installed in the lower cover 22 to keep the air pressure inside the container consistent with the outside. Also, a handle 22a is formed on the outer bottom of the lower cover 22 so that people can easily rotate the lower cover 22 through the handle 22a to easily separate the lower cover 22 from the upper cover 21 for easy cleaning of the internal components of the container cover. In addition, the handle 22a is made into a strip shape and has a hollow structure inside, so that items such as spoons 8 can be stored inside.

Claims

1. A heat-insulating container comprising a container body and a container cover; the container cover is composed of an upper cover and a lower cover, and the upper cover and the lower cover constitute a detachable structure; characterized in that the upper cover is formed with a side edge downwardly in a plane, and a flange extends outwardly from the plane, and a step is formed on the plane and is concave on the inside and convex on the outside, and the step is formed with a protruding hole on the left and right sides, and the side edge is formed with a tongue hole on the left and right sides corresponding to the protruding hole; a convex ring is formed on the inner side of the opening of the container body; a pair of sliding members are arranged on the left and right sides and are installed in the step; the sliding member is in a horizontal U-shaped form, the upper part is an operating part, and the lower part is a clamping tongue; the sliding member is extended from the protruding hole by the operating part, and the clamping tongue is extended from the tongue hole; a compression spring is further installed between the two sliding members, and the operating part and the clamping tongue are maximally extended by the compression spring; the container cover can be placed at the opening of the container body, and the flange is located on the upper edge of the convex ring, and the clamping tongue can be clamped at the lower edge of the convex ring.

2. The thermally insulated container according to claim 1, characterized in that A sealing ring is installed on the side edge of the lower cover, and the sealing ring can be tightly matched with the inner side of the container body.

3. The thermally insulated container according to claim 1 or 2, characterized in that An air inlet valve and an air outlet valve are further installed on the lower cover.

4. The thermally insulated container according to claim 3, characterized in that A handle is formed on the outer side of the bottom of the lower cover.

5. The thermally insulated container according to claim 4, characterized in that The handle is made in a strip shape, and the inside is a hollow structure, and a spoon can be stored in it. ​