CN2061394U - Sealed plastic lunch box - Google Patents

Abstract

The sealed plastic lunch box of the utility model can effectively avoid the spillover of the dripping, which comprises a box cover, a box body, a sealed plastic ring arranged between the box cover and the box body and a locking device. In order to prevent the hands from the heat of the lunch box when taking the lunch box after the lunch box is heated, a lunch box taking device is also attached on the locking device.

Description

Sealed plastic lunch box

A kind of lunch box of containing with food, commercially available lunch box all can not seal now, and there often have vegetable soup to overflow box to be outer and situation clothing around polluting takes place.Though in the utility model patent bulletin, find the application case that some seal lunch boxes, also having problems in the sealing and in the manufacturing processing.In order to overcome above-mentioned deficiency, the utility model provides a kind of plasticity sealing lunch box that can prevent that vegetable soup from overflowing and make easily, is made up of lid, box body, sealing ring and locking device; By between lid and box body, installing sealing ring, and compress the purpose that reaches sealing by locking device.Plastic seal ring adopts (cross section is a hat) of o type (cross section is for circular) or n type, and its material can be a rubber, also can be flexible plastic, but all should satisfy the health conditions requiring of containing with food.

For the lid edge is closely pasted with plastic seal ring mutually with the box body edge, they are made the arc-shaped concave that is suitable for placing and compressing sealing ring, or their edge is directly embedded in the sealing ring.

The locking device that compresses sealing ring has screw fastening type, movable-frame hive formula, colludes beam type, block form, eccentric wheel type etc., can suitably select according to different fabrication process conditions.For picking and placeing the lunch box non-scald on hand after meal, on locking device, has the lunch box fetching device in heat.

The utility model is described in further detail below in conjunction with drawings and Examples, and accompanying drawing of the present utility model has:

The lunch box of Fig. 1 band o RunddichtringO and movable-frame hive formula locking device

Fig. 2 band n RunddichtringO and the lunch box that colludes the beam type locking device

The lunch box of Fig. 3 band n RunddichtringO and block form locking device

The lunch box of Fig. 4 band n RunddichtringO and eccentric beam locking device

The lunch box of Fig. 5 band steel core o RunddichtringO and screw fastening type locking device

Numbering among the figure is as follows:

1-lid 2-sealing ring 3-box body 4-box body thread

5-lid thread 6-locks beam casing

7-locking beam 8-locking frame 9-eccentric bushing 10-rivet

11-side earrings 12-earrings seat 13-colludes formula locking beam

14-lunch box fetching device

Embodiment 1 is as Fig. 1, suppresses a circle fin above box body 3, makes in that box body is inboard and forms oblique circular arc concave surface, places o RunddichtringO 2 it on, closes the lid after 1, and locking frame 8 is also put, and the two of locking beam 7 is inserted in the hole of locking frame 8 locks again.

Embodiment 2 rides on n RunddichtringO 2 on the crimping of box body 3 as Fig. 2, lid 1 is covered again and places thereon and be with the locking beam 13 that colludes, and buckles the square earrings 11 on both sides then, accomplishes reliable sealing like this.

Embodiment 3 rides on n RunddichtringO 2 on the edge of box body 3 as Fig. 3, covers lid 1 and put fixed locking frame 7 to get final product.This example is suitable for thicker material.

Embodiment 4 is as Fig. 4, and n RunddichtringO 2 is enclosed within the edge of the lid 1 of crimping, covers lid 1, sealing ring 2 is pressed on the last oblique circular arc concave surface at box body 3 edges, then by the rotation of Camlock cover 9 on locking beam 7, locking lunch box.

Embodiment 5 tiltedly placing the o RunddichtringO of being with steel core on the circular arc concave surface in the formation of box body 3 flangings, covers lid 1 as Fig. 5 then, and angle of clockwise direction rotation, 5 of spinner 4 and spinners produce a coupling mechanism force, in order to compress sealing ring 2, reach the purpose of lunch box sealing.

The utility model compared with prior art, its advantage has the better seal effect; The cleaning sealing ring is convenient, and sanitary condition is good.

Claims (5)

1, a kind of lunch box that holds food of the present utility modelly is characterised in that lunch box makes and can seals, and is made up of lid, box body, plastic seal ring and locking device.

2, lunch box according to claim 1 is characterized in that plastic seal ring adopts o type (cross section is for circular) or n type (cross section is a hat), and material is rubber or flexible plastic.

3, lunch box according to claim 1 is characterized in that lid edge and box body edge make the circular arc concave surface that is suitable for placing and compressing sealing ring, or their edges is directly embedded in the sealing ring.

4, lunch box according to claim 1 is characterized in that being provided with the locking device that compresses sealing ring.

5, according to claim 1 and 4 described lunch box locking devices, it is characterized in that having set up the lunch box fetching device.

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