Quick-opening insulation box
By combining the three-finger open-cover design and silicone sleeve on the insulation lunch box, the problems of difficulty in unscrewing and water leakage in the prior art are solved, and fast and simple opening and good sealing effect are achieved, which is suitable for a variety of user groups.
Patent Information
- Application Number
- CN202421507727.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing insulation lunch boxes are tightened due to the threaded connection method, which requires greater hand strength to open, especially for girls, children and the elderly, which is difficult to operate and affect the user experience. In addition, the insulation lunch box is prone to leaking when it is inverted, causing hygiene problems.
It adopts a three-finger open-cover design, with a three-finger slot at the top of the cover, which is embedded with a slider and a triangle post. By pinching the slider, it is pulled out of the limit ring slot, and then the cover is pulled upward. At the same time, a silicone sleeve is installed at the top of the box cover to provide a good sealing effect and prevent water leakage.
It realizes the quick and simple opening of the lid, which is suitable for the elderly and children, improves the user experience, and effectively prevents food and liquid leakage through the use of silicone sleeves, improving the sealing and hygiene of the lunch box.
Smart Images

Figure CN222692883U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thermal insulation lunch boxes, in particular to a quick-opening thermal insulation box. Background Art
[0002] The insulated lunch box is a portable container used to keep food warm. It has the function of heat insulation and heat preservation, which can keep the temperature of food for a period of time, whether it is to keep hot food hot or cold food cold. This kind of lunch box is usually made of multiple layers of materials, including an inner layer, an insulation layer and an outer layer, among which the insulation layer is the key to the heat preservation effect of the insulated lunch box.
[0003] In the prior art, insulated lunch boxes usually use a threaded connection to tighten the lid and the box body. Although the threaded connection method provides good sealing, the lunch box has a large diameter and the lid is usually screwed tightly to ensure its sealing. As a result, it takes a lot of hand strength to unscrew the lid. For girls, children, and the elderly, unscrewing the lid is very difficult, time-consuming, and laborious, which affects the user experience. Utility Model Content
[0004] The utility model aims to solve the shortcomings of the prior art and proposes a quick-opening thermal insulation box.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a quick-opening insulation box, comprising an insulation box body, the insulation box body is composed of an outer shell and an inner shell, and an insulation layer is set between the outer shell and the inner shell, a top shell is set on the top of the insulation box body, a box cover is embedded in the top shell, a three-finger groove is opened on the top of the box cover, and a plurality of groups of limit plates are fixed to the inner wall of the box cover, and the limit plates are distributed in a circular array, a slot is opened through the outer wall of the box cover, a slider is slidably connected to the inside of the slot, and the top of the slider is set in the three-finger groove, a triangular prism is fixed in the middle of the box cover, and springs are fixed to the outer wall of the triangular prism and the side of the meshing slider, the inner wall array of the top shell is opened with limit ring grooves, and the limit ring grooves and the slots are distributed in a circular array.
[0006] Preferably, a fastening groove is formed on the inner wall of the top shell, and fastening teeth are fixed on the outer wall of the box cover, and the fastening teeth are engaged with the fastening groove to prevent relative sliding between the box cover and the top shell.
[0007] Preferably, both ends of the top shell are provided with handle grooves, and the handle grooves are rotatably connected with handles, and the side walls of the handles are provided with anti-slip rings. The handles make it more convenient to carry the thermal insulation lunch box, and the user can easily lift or carry the lunch box, providing a comfortable grip and reducing hand fatigue and the risk of the lunch box slipping.
[0008] Preferably, the top shell is nested in the top of the insulation box body, and the outer wall of the insulation box body is provided with an inner concave annular groove, the inner wall of the bottom end of the top shell is provided with a snap-fitting protrusion, and the snap-fitting protrusion is embedded in the inner concave annular groove, and the inner and outer shells of the insulation box body are stabilized by the embedded snap-fitting method, which is convenient for the assembly, maintenance and replacement of the inner and outer shells.
[0009] Preferably, a silicone sleeve is fixed to the bottom of the box lid. In the prior art, there is a risk of water leakage when the insulated lunch box is inverted. The leaked soup may contaminate other items in the bag or the surrounding environment, causing unnecessary hygiene problems, and water leakage means that the sealing of the lunch box is already insufficient. To address such problems, the utility model adopts a silicone sleeve arranged on the top of the box lid. The silicone material is soft and can fit tightly to the edges of the box lid and the box body, providing a good sealing effect and reducing heat loss. It has good elasticity and wear resistance and can withstand long-term use without deformation or damage. Silicone can withstand high temperatures and maintain its performance even at high temperatures. It is not easy to age and can maintain its performance after long-term use, unlike some plastic materials that may become hard or brittle over time. In addition, the silicone sleeve is usually easy to disassemble and clean, which helps to keep the lunch box hygienic. It has good resistance to most chemicals and is not easy to react with food. It is suitable as a material that contacts food and provides additional leakage protection. It can effectively prevent food and liquid leakage even if the lunch box is inverted, making the box plug easier to open, which is especially suitable for children and the elderly.
[0010] Preferably, the top array of the slider is provided with anti-skid grooves, which increase the friction between the top of the slider and the user's fingers, providing a more stable support for the user to open the box cover.
[0011] Beneficial Effects
[0012] 1. In the prior art, insulated lunch boxes usually use a threaded connection to tighten the lid and the box body. Although the insulated lunch boxes with a threaded connection provide good sealing, due to the large diameter of the lunch box and in order to ensure its sealing, the lid is usually screwed tightly, resulting in a large amount of hand strength required to unscrew the lid. For girls, children, and the elderly, unscrewing the lid will be very difficult, time-consuming and laborious, affecting the user experience. To address this problem, the utility model uses a three-finger open-lid insulated lunch box. Insert your fingers into the three-finger groove on the top of the lid, pinch the slider in the direction of the triangular prism, so that the other end of the slider is disengaged from the limiting ring groove in the top shell, and then pull the lid upward. It is not only simple to operate, time-saving and labor-saving, and suitable for the elderly and children, but also fast and convenient, and the lid can be opened very quickly.
[0013] 2. In the prior art, there is a risk of water leakage when the insulated lunch box is inverted. The leaked soup may contaminate other items in the bag or the surrounding environment, causing unnecessary hygiene problems. Moreover, water leakage means that the sealing of the lunch box is insufficient. To address such problems, the utility model adopts a silicone sleeve arranged on the top of the box lid. The silicone material is soft and can fit tightly to the edges of the box lid and the box body, providing a good sealing effect and reducing heat loss. It has good elasticity and wear resistance and can withstand long-term use without deformation or damage. Silicone can withstand high temperatures and maintain its performance even at high temperatures. It is not easy to age and can maintain its performance after long-term use, unlike some plastic materials that may become hard or brittle over time. In addition, the silicone sleeve is usually easy to disassemble and clean, which helps to keep the lunch box hygienic. It has good resistance to most chemicals and is not easy to react with food. It is suitable as a material for contacting food and provides additional leakage protection. It can effectively prevent food and liquid leakage even if the lunch box is inverted, making the box plug easier to open, which is especially suitable for children and the elderly. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0015] Figure 2 It is a three-dimensional structural schematic diagram of the handle of the utility model;
[0016] Figure 3 It is a three-dimensional structural schematic diagram of the top shell of the utility model;
[0017] Figure 4 It is a three-dimensional structural schematic diagram of the box cover in the utility model;
[0018] Figure 5 It is a cross-sectional view of the utility model;
[0019] Figure 6 This is a schematic diagram of the installation of the silicone sleeve in the utility model.
[0020] Legend:
[0021] 1. Insulation box body; 2. Top shell; 201. Handle groove; 202. Limiting ring groove; 203. Fastening groove; 204. Engaging protrusion; 3. Box cover; 301. Slot; 4. Handle; 401. Anti-slip ring; 5. Silicone sleeve; 6. Slider; 601. Anti-slip pattern; 7. Triangular column; 8. Fastening teeth; 9. Limiting plate. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.
[0023] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings. Specific embodiment:
[0025] Reference Figure 1-6 The quick-opening insulation box comprises an insulation box body 1, which is composed of an outer shell and an inner shell, and an insulation layer is set between the outer shell and the inner shell. A top shell 2 is set on the top of the insulation box body 1, and a box cover 3 is embedded in the top shell 2. Three finger grooves are opened on the top of the box cover 3, and a plurality of groups of limit plates 9 are fixed on the inner wall of the box cover 3, and the limit plates 9 are distributed in a circular array. A groove 301 is opened through the outer wall of the box cover 3, and a slider 6 is slidably connected inside the groove 301. The top of the slider 6 is arrayed with anti-slip grooves 601. The anti-slip grooves 601 increase the friction between the top of the slider 6 and the user's fingers, providing a more stable support for the user to open the box cover 3.
[0026] The top of the slider 6 is arranged inside the three-finger groove, a triangular column 7 is fixed in the middle of the box cover 3, and springs are fixed on the outer wall of the triangular column 7 and the side of the engaging slider 6. The inner wall array of the top shell 2 is provided with a limiting ring groove 202, and the limiting ring groove 202 and the slot 301 are distributed in a circular array.
[0027] The inner wall of the top shell 2 is provided with a fastening groove 203, and the outer wall of the box cover 3 is fixed with a fastening tooth 8, and the fastening tooth 8 is engaged with the fastening groove 203 to prevent relative sliding between the box cover 3 and the top shell 2. Both ends of the top shell 2 are provided with a handle groove 201, and the handle groove 201 is rotatably connected with a handle 4, and the side wall of the handle 4 is provided with an anti-slip ring 401. The handle makes it more convenient to carry the thermal insulation lunch box, and the user can easily lift or carry the lunch box, providing a comfortable grip, reducing hand fatigue and the risk of the lunch box slipping. The top shell 2 is nested in the top of the thermal insulation box body 1, and the outer wall of the thermal insulation box body 1 is provided with an inner concave ring groove, and the inner wall of the bottom end of the top shell 2 is provided with a clamping protrusion 204, and the clamping protrusion 204 is engaged with the inner concave ring groove. The inner and outer shells of the thermal insulation box body 1 are stabilized by a clamping clamping method, which is convenient for the assembly, maintenance and replacement of the inner and outer shells.
[0028] A silicone sleeve 5 is fixed to the bottom of the box cover 3. In the prior art, there is a risk of water leakage when the insulated lunch box is inverted. The leaked soup may contaminate other items in the bag or the surrounding environment, causing unnecessary hygiene problems. In addition, water leakage means that the sealing of the lunch box is insufficient. To address this problem, the utility model adopts a silicone sleeve 5 set on the top of the box cover 3. The silicone material is soft and can fit tightly to the edges of the box cover and the box body, providing a good sealing effect and reducing heat loss. It has good elasticity and wear resistance and can withstand long-term use without deformation or damage. Silicone can withstand high temperatures and maintain its performance even at high temperatures. It is not easy to age and can maintain its performance even after long-term use. Unlike some plastic materials that may become hard or brittle over time, the silicone sleeve is usually easy to disassemble and clean, which helps to keep the lunch box hygienic. It has good resistance to most chemicals and is not easy to react with food. It is suitable as a material for contacting food and provides additional leakage protection. It can effectively prevent food and liquid leakage even if the lunch box is inverted, making the box plug easier to open, which is especially suitable for children and the elderly.
[0029] In the prior art, insulated lunch boxes usually use a threaded connection to tighten the lid and the box body. Although the insulated lunch boxes with a threaded connection provide good sealing, due to the large diameter of the lunch box and in order to ensure its sealing, the lid is usually screwed tightly, resulting in a large amount of hand strength required to unscrew the lid. For girls, children, and the elderly, unscrewing the lid will be very difficult, time-consuming and laborious, affecting the user experience. To address this problem, the utility model uses a three-finger opening insulated lunch box. Insert your fingers into the three-finger groove on the top of the lid 3, pinch the slider 6 in the direction of the triangular column 7, so that the other end of the slider 6 is disengaged from the limiting ring groove 202 in the top shell 2, and then pull the lid upward. It is not only simple to operate, time-saving and labor-saving, and suitable for the elderly and children, but also fast and convenient, and the lid can be opened very quickly.
[0030] The working principle of the utility model is as follows: the user inserts his fingers into the three-finger groove on the top of the box cover 3, pinches the slider 6 in the direction of the triangular column 7, so that the other end of the slider 6 is disengaged from the limiting ring groove 202 in the top shell 2, and then pulls the box cover upwards. When closing the box cover 3, the fastening teeth 8 are engaged with the fastening groove 203, and the box cover 3 is inserted into the box.
[0031] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A quick-opening heat preservation box, comprising a heat preservation box body (1), wherein the heat preservation box body (1) is composed of an outer shell and an inner shell, and a heat preservation layer is provided between the outer shell and the inner shell, and a top shell (2) is provided on the top of the heat preservation box body (1), characterized in that: The top shell (2) is embedded with a box cover (3), the top of the box cover (3) is provided with three finger grooves, and the inner wall of the box cover (3) is fixed with a plurality of groups of limit plates (9), and the limit plates (9) are distributed in a circular array, the outer wall of the box cover (3) is penetrated with a slot (301), the inside of each slot (301) is slidably connected with a slider (6), and the top of the slider (6) is arranged inside the three finger grooves, a triangular prism (7) is fixed in the middle of the box cover (3), and springs are fixed to the outer wall of the triangular prism (7) and the side of the engaging slider (6), and the inner wall of the top shell (2) is provided with a limit ring groove (202), and the limit ring groove (202) and the slot (301) are distributed in a corresponding circular array.
2. The quick-opening insulation box according to claim 1, characterized in that: The inner wall of the top shell (2) is provided with a fastening groove (203), and the outer wall of the box cover (3) is fixed with fastening teeth (8).
3. The quick-opening insulation box according to claim 1, characterized in that: Both ends of the top shell (2) are provided with handle grooves (201), the handle grooves (201) are rotatably connected with handles (4) inside, and the side walls of the handles (4) are provided with anti-slip rings (401).
4. The quick-opening insulation box according to claim 1, characterized in that: The top shell (2) is nested in the top of the heat-insulating box body (1), and the outer wall of the heat-insulating box body (1) is provided with an inner concave annular groove, and the inner wall of the bottom end of the top shell (2) is provided with a snap-fitting protrusion (204), and the snap-fitting protrusion (204) is embedded in the inner concave annular groove.
5. The quick-opening insulation box according to claim 1, characterized in that: A silicone sleeve (5) is fixed to the bottom of the box cover (3).
6. The quick-opening insulation box according to claim 1, characterized in that: The top end of the slider (6) is provided with an array of anti-slip grooves (601).