CN2246428Y - Holding structure of lunch box - Google Patents

Abstract

The utility model discloses a holding structure of a lunch box, which is used for holding the box cover and the box body of a handy box for holding. A buckling lug is arranged at the both sides of the long edge of the handy box, and an acclivity flange is arranged at the corresponding position of the box cover for holding the buckling lug. The buckling lug comprises a pressing portion which contacts with the flange in line and a holding portion which is connected with the pressing portion and is used for holding and controlling by users. A sleeve ring is arranged on the pressing portion. As a result, the pressing portion is easy to enter into the flange by the rotation of the sleeve ring. The sleeve ring which is buckled into the flange combines with the flange by line contact and holding relation, and has high holding acting force.

Description

The clamping structure of boxed cassette

The utility model is a kind of clamping structure of boxed cassette, refers to a kind of structure that fixes convenient lid and box body with manner especially.

The boxed cassette structure cording of commonly using has one to close lid in order to the box body of holding food and with what box body covered, and respectively be pivoted with a buckle ear that can rotate freely in the minor face two sides of box body, the shape of this buckle ear be simple " Π " font and be endways make hook-shaped, can buckle on the lid in order to buckle ear in the groove that forms with punching press and fix, structure then can fix the lid that is covered on the box body by this, and right, this kind design is truly having following problem in the use:

1, be hubbed at its fastening power deficiency of buckle ear of box body minor face, regular meeting is because of shaking or touching to open and very easily cause overflowing of food in use, and therefore most user ties up displacement two buckle ears with a cord all again, and it can not opened, and forms the inconvenience on using.

2, the size of this two buckle ear is very little and do not have the position of pulling easily, thereby user's application of force is used and is difficult for.

3, the convenient box body of steel raises and very hot in temperature after heating, and this kind design there is no and provides the user to hold box lunch and the function of non-scald on hand.

And another kind of its two sides, long limit that tie up to box body of known product " close type boxed cassette " that are prevalent in the streets are provided with a close type fastener and are provided with the wedge shape compression face that this close type fastener of confession buckles at the lid correspondence position, this close type button is done that system is curved by the good wire rod of elasticity and is made up of the holding part of V-shaped circular arc roughly and the handle portion that connects holding part, this kind design can solve the subproblem of aforementioned known boxed cassette and provide a kind of be available for users to control make things convenient for to reach to carry easily hold and the boxed cassette of non-scald on hand, but the design shape of its close type fastener only is to be in the shape of the letter V or the circular arc holding part buckles into the wedge shape compression face of lid by two, therefore its contact position is a contact and button is held the power deficiency generally, force it to fasten power increase if be eager to excel then can be with the design of close-fitting relation and cooperate its deformation state to reach to force the requirement that fastens, and really can cause the close type fastener to buckle into after being difficult for of wedge shape compression face and permanent the use distortion gradually again simultaneously and forms the problem that pine is joined relation.

Thereby the purpose of this utility model is promptly at the aforementioned fixing problem of commonly using boxed cassette, so that a kind of clamping structure of the boxed cassette that has strong fastening power and fasten easily to be provided.

The utility model is particularly partly improved clamping structure, with the buckle ear that is hubbed on the long limit of box body be modified to have a plurality of pressures that are parallel to the long limit of box body hold up portion and connect this pressure portion of holding up and laterally the oblique grip part that extends, top form, this pressure is held up portion and is equipped with the collar, therefore the user can exert oneself with the hand control grip part in use so that press the portion of holding up to buckle into the design of close-fitting relation and from covering the inclined flange that extends out, the collar makes because of the contact flange rotates thereupon and fastens easily in the fastening process, and be to be that line contacts that to fasten strength very strong with flange after buckling into flange, therefore form it and have easy use and fix the excellent characteristic of effect.

Relevant for detailed content of the present utility model and technology, it is as follows now just to be equipped with description of drawings:

Graphic explanation

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is a three-dimensional combination figure of the present utility model.

Fig. 3 is a profile of the present utility model.

At first see also Fig. 1, the box body 2 of boxed cassette is provided with a pin-jointing piece 21 in each weldering of the two sides on length limit and is pivoted for buckle ear 3, buckle ear 3 is to form with the bending of the good wire rod of elasticity to have the linearly pressure in plurality of parallel box body 2 long limits and hold up portion 31 and link the grip part 32 that this pressure is held up portion 31, pressure is held up in the portion 31 and is equipped with a collar 33, and in addition respectively extend out an edge 11 from the position of the corresponding aforementioned buckle ear 3 in the two sides on lid 1 long limit, this flange 11 slightly inclined upwards its be to cooperate with buckle ear 3 with the close-fitting relation, buckle ear 3 must be crossed over flange 11 ends because of the stressed rotation of slightly being out of shape and using the collar 33 in the process that buckles into flange 11, fix (as Fig. 2) at last and with lid 1 and box body 2, the buckle ear 3 that buckles into flange 11 is to be line with the collar 33 and flange 11 to contact and commonly use structure and have bigger contact strength (being frictional force), therefore lid 1 closely can be buckled on the box body 2 and because flange 11 restrictions of updip and can not getting loose, and aforementioned grip part 32 when the buckling state of buckle ear 3 is and 1 of lid has a spacing so user and can hand grips this grip part 32 and can not scald one's hand to hold box lunch.

See also Fig. 3, buckle ear 3 is slightly to be inclined to lid 1 and to be subjected to the restriction of updip flange 11 and close-fitting relation and fixing buckling into flange 11, can or not collide and get loose because of vibrations, can make the collar 33 prolong the face rotation of flange 11 updips and be equipped with the stress deformation of buckle ear 3 and stride across flange 11 and remove buckling state and when opening, only need to pull grip part 32 laterally with hand, in addition, particularly the end face after covering and bottom surface portions respectively stamp out indenture 12 to the inside on one day to the utility model with the lid 1 of boxed cassette and box body 2,22, the effect of this indenture ties up in increasing the intensity of box body 2 with lid 1 and makes it be difficult for pressurized and be out of shape, indenture 12 on the lid 1 also can be used as label or the setting of famous brand, interior angle in box body 2 bottoms then is that punching out one-tenth is more circular-arc, is to be difficult for residual soil than tool heat insulation effect and convenient the cleaning.

In sum, the utility model is arranged at buckle ear 3 on the long limit of box body 2, thereby buckle ear 3 can be designed to long can have bigger fastening scope, make lid 1 can closely be fastened on the box body 2, and the pressure of buckle ear 3 is held up portion 31 and is designed to linearity contact and is arranged with the collar 33 make in the fastening process buckle ear 3 can buckle into easily in the flange 11 and be with flange 11 that line contacts and contact range and contact force are bigger, and the design of grip part 32 makes controlling conveniently of buckle ear 3, and can hold box lunch and prevent to scald one's hand in order to carry, therefore structure provides the user easily to detain in use to the utility model to simplify cleverly, easily open, easily take and fastening power excellent and the function and the effect of structure durable, being that commodity must have the convenient theory of using and present, really is the creation of a practicality.

Claims (1)

1, a kind of clamping structure of boxed cassette, this boxed cassette system is made up of a box body (2) and a lid (1), and this clamping structure ties up to the two sides on the long limit of this lid (1) and respectively extends the sheet flange (11) of updip slightly, this box body (2) is pivoted with buckle ear free to rotate (3) respectively in the then corresponding said flange in two sides (11) of growing the limit, this buckle ear (3) and be to form with the bending of the good wire rod of elasticity, it is characterized by: this buckle ear (3) has the long limit of the aforementioned lid of plurality of parallel (1) and is the pressure that line contacts with flange (11) holds up portion (31), and the aforementioned pressure of a binding is held up the grip part (32) of portion (31), this grip part (32) and be to tilt towards this boxed cassette upper outer, aforesaid pressure are held up portion (31) and are equipped with a collar (33) and can use the collar (33) rotation in order to do sharp buckle ear (3) when buckling into said flange (11) and stride across the flange (11) of aforementioned updip and fasten.

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