WO2015043000A1

WO2015043000A1 - Lunch box

Info

Publication number: WO2015043000A1
Application number: PCT/CN2013/085336
Authority: WO
Inventors: 刘骏涛
Original assignee: 刘骏涛
Priority date: 2013-09-29
Filing date: 2013-10-16
Publication date: 2015-04-02
Also published as: CN103494417A

Abstract

A lunch box comprises a housing and an internal container (200) disposed inside the housing (400). A first screw hole (402) is disposed in the bottom of the housing (400). A second screw hole (202) corresponding to the screw hole is disposed in the bottom of the internal container (200). The internal container (200) and the housing (400) are fixed by using a screw. A rubber plug (304) inserted into the first screw hole (402) is disposed at one end corresponding to the bottom surface, of the first screw hole (402). A bottom end of the rubber plug (304) protrudes out of the bottom surface of the housing (400). In the present invention, the rubber plug is disposed in the screw hole and the bottom end of the rubber plug (304) is disposed to protrude out of the bottom surface of the housing when the rubber plug is to prevent water, thereby forming a non-slip mat; and the arrangement makes the rubber plug simultaneously have two functions, so that the structure of the lunch box is simplified and an additional non-slip rubber is not needed to be glued to the bottom of the lunch box, thereby reducing the cost and improving the assembly efficiency.

Description

a lunch box

[Technical Field]

The present invention relates to the field of household goods, and more particularly to a lunch box. 【Background technique】

Lunch boxes are important tableware commonly used in daily life. They are used to carry cooked food and can be cooked at work or in the field for a certain period of time.

Usually, an anti-slip mat is provided on the bottom surface of the lunch box to prevent slipping. The anti-slip mat is usually made of rubber into a small piece of cloth and then bonded to the underside of the lunch box. However, this method not only sets troubles, but also tends to stick easily, and it is easy to fall off after being rubbed for a long time.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a structurally-sleeve, non-slip-proof lunch box.

The object of the present invention is achieved by the following technical solutions: a lunch box, comprising: a casing and a liner disposed inside the casing; the bottom of the casing is provided with a first screw hole, and the bottom of the casing corresponds to the screw hole a second screw hole is disposed, the inner casing and the outer casing are fixed by screws, and the first screw hole is provided with a rubber plug inserted into the first screw hole corresponding to one end of the bottom surface, and the bottom end of the rubber plug is convex Out of the bottom of the casing.

Preferably, the rubber plug is disposed on four first screw holes in four corner regions of the bottom of the outer casing. Uniform support is formed, the force point is uniform, and the anti-slip effect is better.

Preferably, the rubber plug comprises a plug inserted into the first screw hole and a plug protruding from a bottom surface of the outer casing. The diameter of the plug cap is larger than the diameter of the plug, and the contact surface with the ground is large, and the anti-slip effect is good.

Preferably, a plurality of radially protruding protrusions are disposed on the cylinder surface of the plug. This improves the reliability of the plug after insertion into the first screw hole, making it less prone to escape.

Preferably, the lunch box further comprises a heating device, and the heating device comprises a heating piece disposed on an outer surface of the inner casing. Preferably, the heating piece is provided with a third screw hole corresponding to the second screw hole, and the outer casing, the heating piece and the inner casing are simultaneously locked by screws.

Preferably, the inner cavity of the inner tank is provided with a partition to divide it into two or more chambers.

Preferably, one or more of the chambers are provided with a small inner bladder.

Preferably, the bottom of the inner tank is provided with an upwardly recessed groove, and the groove forms the partition in the inner cavity of the inner bladder.

In the invention, since the rubber plug is arranged in the first screw hole, the bottom end of the rubber plug is arranged to protrude from the bottom surface of the outer casing while the rubber plug is waterproof, thereby forming an anti-slip mat, and the setting makes the rubber plug have two at the same time. The function of the lunch box is not necessary, and no additional anti-slip rubber is applied to the bottom of the lunch box, which reduces the cost and improves the assembly efficiency. Moreover, since the rubber plug is directly inserted into the first screw hole, even if it is often worn, no peeling occurs.

[Description of the Drawings]

1 is a view showing the overall structure of a lunch box according to an embodiment of the present invention,

2 is also an overall structural view of a lunch box according to an embodiment of the present invention,

3 is a schematic exploded view of a lunch box according to an embodiment of the present invention;

4 is a structural view of a rubber plug according to an embodiment of the present invention,

Fig. 5 is a schematic view showing the structure of a portion of a lunch box according to an embodiment of the present invention.

Where: 100, lunch box cover, 200, inner liner, 202, second screw hole, 205, fixing frame, 210, partition plate, 220, small liner, 300, heating device, 301, heating plate, 302, third screw Hole, 304, rubber plug, 3041, plug, 3042, plug cap, 3043, projection, 400, housing, 402, first screw hole, 405, indicator light.

【detailed description】

The invention will now be further described with reference to the drawings and preferred embodiments.

As shown in FIG. 1-3, the present invention provides a specific embodiment of a lunch box, including: a housing 400 and The inner casing 200 is disposed inside the outer casing 400. The bottom of the outer casing 400 is provided with a first screw hole 402. The bottom of the inner casing 200 is provided with a second screw hole 202 corresponding to the screw hole. The inner casing 200 and the outer casing 200 The fixing of the first screw hole 402 corresponding to the bottom surface is provided with a rubber plug 304 inserted into the first screw hole 402. The bottom end of the rubber plug 304 protrudes from the bottom end of the first screw hole 402. The bottom surface of the outer casing 400. Since the rubber stopper 304 is disposed in the first screw hole 402, the bottom end of the rubber stopper 304 is disposed to protrude from the bottom surface of the outer casing 400 while the rubber stopper 304 is waterproofed, thereby forming a non-slip mat. The 304 has two functions at the same time. The structure of the lunch box is completed, and there is no need to additionally set the anti-slip rubber to the bottom of the lunch box, which reduces the cost and improves the assembly efficiency.

As shown in FIG. 2 and FIG. 3, in the embodiment, four first screw holes are provided for fixing the inner liner 200 and the outer casing 400, and the first screw holes 402 of the outer casing 400 are disposed, respectively, and are respectively disposed on the bottom surface of the outer casing. In the four corner regions, the second screw holes 202 on the inner liner 200 are correspondingly disposed, and the rubber plugs 304 are disposed on the four first screw holes 402 in the four corner regions of the bottom of the outer casing 400 to form a uniform support. Even point, the anti-slip effect is better.

As shown in FIG. 4, the structure of the rubber plug 304 includes a plug 3041 inserted into the first screw hole and a plug cap 3042 protruding from the bottom surface of the outer casing. The diameter of the plug cap 3042 is larger than the plug 3041. The diameter makes it a large contact surface with the ground, has a better anti-slip effect, and defines that the rubber plug is not completely inserted into the first screw hole.

The cylindrical surface of the plug 3041 is provided with a plurality of radially protruding protrusions 3043, and the elasticity of the rubber plug is better due to the material property of the rubber plug, thereby improving the reliability of the plug 3041 after being inserted into the first screw hole 402. Sex, making it not easy to get out.

As shown in Fig. 3, in the present embodiment, the lunch box further includes a heating device 300, and the heating device 300 includes a heating sheet 301 for heat generation attached to the outer surface of the inner liner 200.

The heating sheet 301 is disposed on the bottom surface of the inner liner 200, and has a size and shape corresponding to the bottom surface of the inner liner 200, and is heated from the bottom surface of the inner liner 200, so that the heating sheet 301 is conveniently arranged and the heating effect is also more. it is good. Of course, it is also possible to attach the heating sheet to the entire outer circumferential surface of the inner liner 200, but this is not easy to process, and the heating sheet at the bottom has been able to meet the heating demand. A third screw hole 302 corresponding to the second screw hole 202 is disposed on the heating piece 301, and the heating piece 301 and the outer casing 400 are simultaneously locked by screws.

In the embodiment, the heating device 300 further includes a control circuit (not shown) for controlling heating of the heating sheet 301, and the control circuit is used for intelligently controlling heating, so that when the food is heated, the food can be ensured. Heating problems and heating time. The control circuit is disposed at a bottom of one side of the inner casing 200. The inner casing 200 is provided with a recess 201 for escaping the control circuit, so that the internal space of the lunch box is sufficient to ensure that the overall structure of the lunch box does not increase.

At the same time, the lunch box in this embodiment is also provided with an indicator light 405 for prompting the state of use of the lunch box. A fixing frame 205 for fixing the indicator 405 lamp and the circuit board thereof is disposed at a position of the bottom side of the inner casing 200 corresponding to the indicator light 405, and the outer casing 400 corresponds to the fixing frame 205. The position is provided with an opening for exposing the indicator light 405.

As shown in Fig. 5, in the present embodiment, the inner cavity of the inner liner 200 is provided with a partition 210 to divide it into two chambers. Of course, more partitions 210 may be provided to separate more chambers. This allows the food to be sorted. At the same time, one or more of the chambers are provided with a small bladder 220, and the small bladder 220 is also provided with a small lid 230, so that the small bladder 220 can be used to store foods that are easily spilled. The partition plate 210 is formed by a recess in which the bottom of the inner casing is recessed upward, and thus, the arrangement thereof does not cause waste of material.

The above is a further detailed description of the present invention in conjunction with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention can be made without departing from the spirit and scope of the invention.

Claims

Rights request

1. A lunch box, characterized in that it includes: an outer shell and an inner pot arranged inside the outer shell; a first screw hole is provided at the bottom of the outer shell, and a second screw hole is provided at the bottom of the inner pot corresponding to the screw hole. , the inner liner and the outer shell are fixed by screws, a rubber stopper inserted into the first screw hole is provided at one end of the first screw hole corresponding to the bottom surface, and the bottom end of the rubber stopper protrudes from the bottom surface of the outer shell.

2. The lunch box according to claim 1, characterized in that the rubber stoppers are provided on the four first screw holes in the four corner areas of the bottom of the housing.

3. The lunch box according to claim 1 or 2, wherein the rubber plug includes a plug plug inserted into the first screw hole and a plug cap protruding from the bottom surface of the housing.

4. The lunch box according to claim 3, wherein a plurality of radially protruding protrusions are provided on the cylinder surface of the plunger.

5. The lunch box according to claim 1, characterized in that, the lunch box further includes a heating device, and the heating device includes a heating sheet that is disposed on the outer surface of the inner pot.

6. The lunch box according to claim 5, wherein the heating plate is provided with a third screw hole corresponding to the second screw hole, and the outer shell, the heating plate and the inner pot are simultaneously locked on the heating plate through screws. Together.

7. The lunch box according to claim 1, characterized in that the inner cavity of the inner container is provided with partitions to divide it into two or more chambers.

8. The lunch box according to claim 7, characterized in that one or more of the chambers are provided with a small inner bladder.

9. The lunch box according to claim 7, wherein the bottom of the inner pot is provided with an upwardly concave groove, and the groove forms the partition in the inner cavity of the inner pot.