CN101332923A - Container lid with liner structure protruding to inner side of lid - Google Patents

Abstract

The container cover has a liner structure protruding toward the inside of the cover, a recessed portion capable of covering a flange is formed around the container cover, and an integral elastic pressure-contact portion is formed on the inner surface of the recessed portion. The invention has the following beneficial effects: the invention maintains air tightness through surface adhesion, and the air tightness is excellent; the pressing and sticking part is exposed, so that the cleaning and sanitation are realized; the pressing and sticking part is formed into a whole by injection molding, and the problem of random falling-off can not occur.

Description

Container lid with a gasket structure protruding inwardly of the lid

technical field

The present invention relates to an airtight container, in particular to a container cover used on a container which relies on the contact surface to maintain airtightness when the container body and the container cover are combined. The tight fitting portion maintains airtightness while closely fitting the upper end periphery of the container main body.

Background technique

Referring to shown in accompanying drawing 7, now, the upper end periphery (210) of the square, ellipse or circular container main body (200) of almost all airtight containers all is in an upright protruding state, and the above-mentioned upright upper end periphery (210) is surrounded by a built-in liner ( 300) is recessed to a certain depth in the recessed frame (110) of the lid (100), and the container lid (100) and the container body (200) are pressed together by the folding connection device (120) formed on the lid (100) Together, airtightness is maintained by pressurizing the gasket (300).

Therefore, most of the pads (300) need to be made of silicon or rubber for pressurization, and the materials used for the above pads (300) can withstand a certain pressure so that they can be pressed into the grooves on the cover. Therefore, it is necessary to increase the production process of inserting and fixing the above-mentioned liner (300) into the groove (110) of the cover (100). When the position where the above-mentioned liner (300) is inserted into the water vapor will accumulate together It becomes the habitat cause of various bacteria, and thus there is a defect that it is unhygienic.

Contents of the invention

The technical problem to be solved by the present invention is to provide a container cover with a gasket structure protruding to the inner side of the cover; The pressurized fitting part that functions as a gasket forms a flange shape around the upper end of the container body, so that the airtightness can be maintained through the contact surface.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical scheme: a flange shape is formed around the upper end of the container main body, a concave portion that can cover the above-mentioned flange is formed on the above-mentioned cover, and an integral body with elastic force is formed as the inner surface of the above-mentioned concave portion. The pressure-fitting part keeps the pressure-fitting part and the flange in a surface-tight manner to maintain airtightness.

In addition, the above-mentioned pressure-fitting part can be changed into various shapes, so that an air layer is formed between the flange and the pressure-fitting part, so as to maintain excellent airtightness. Molded to form a whole, so as to prevent the problem of random falling off of the press fit part.

The beneficial effects of the present invention are as follows: the present invention maintains airtightness through surface bonding, and has excellent airtightness; the pressurized part is exposed, clean and hygienic; the above-mentioned pressurized part is formed as a whole by injection molding, and will not fall off randomly The problem.

Description of drawings

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Fig. 1 is a view showing a state where a pressurized contact portion is formed in a recessed portion of the cap of the present invention.

FIG. 2 is another implementation state diagram of the pressurizing and abutting part of 1. FIG.

Fig. 3 is a state view of the pressure abutting part of the present invention being recessed into the groove collar of the recessed part.

Fig. 4 is another implementation state diagram of the pressurizing part in Fig. 3 .

Fig. 5 and Fig. 6 are state diagrams in which projections are formed on the curved surface of the pressurized contact portion.

Fig. 7 is a view showing the state of a conventional gasket-attached cover.

Explanation of the symbols of the main parts of the accompanying drawings:

10: Cover 11: Recessed part

12: Pressure fitting part 13: Connecting device

14: Bracket 15: Curved surface

16: Air layer 17: Protrusion

18: Groove hoop

20: Container body 21: Flange

22: Kalen.

Detailed ways

The present invention will be described in detail below according to an embodiment.

Referring to shown in Fig. 1-7, in the formation of the present invention, the upper end of container main body (20) is made up of the flange (21) that has surface, and can carry out by connecting device (11) at the bottom surface of above-mentioned flange (21). Connected card ribs (22), a recessed portion (11) is formed around the cover (10) to cover the above-mentioned flange (21), and the inner surface of the above-mentioned recessed portion (11) forms an integral press-fitting portion (12) .

At this time, the folded connecting device (13) in the cover (10) should form an integral or assembled shape in the cover (10).

In addition, a bracket (14) is formed inside the recessed part (11) of the above-mentioned cover (10), and the torsion force of the cover (10) produces a reinforcement function, and at the same time plays a role in supporting the container body (20) when combined with the container body (20). ) The role of the flange (21).

In addition, as shown in Fig. 3, after the groove collar (18) is formed in the recessed part (11), the pressure abutment part (12) is exposed from the recessed part in the state of being recessed in the groove collar (18) and is formed. , thus increasing the adhesion.

In addition, as shown in Figures 2 and 4, a curved surface (15) is formed on the inner side of the exposed surface, and an air layer (16) is formed when it is closely attached to the flange (21), thereby producing an excellent airtight force and exerting a relatively high pressure. A small external force can produce a good sealing effect.

In addition, as shown in Figure 5 and Figure 6, a protrusion (17) is formed at the inner central part of the above-mentioned curved surface (15). When the curved surface (15) is pressed to form an air layer (16), even if a large external force is applied, An air layer will also be formed here and will not be subjected to external forces.

In addition, in order to facilitate the above-mentioned curved surface (15) to bear the force, the pressure-fitting part (12) is expanded outward, and when the container body and the lid are combined or when double injection molding is performed, it can be depressed inward by contraction, and prevent the failure of forming. air layer.

The material used for the pressure-fitting part in the present invention is an elastic body with excellent adhesiveness and outstanding elasticity.

However, this material does not limit the realization of the object of the present invention, and multiple materials with the same characteristics can be used for molding.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. All the implementation manners cannot be exhaustively listed here. All obvious changes or changes derived from the technical solutions of the present invention are still within the protection scope of the present invention.

Claims (4)

1. the container cover that has gasket construction side-prominent in lid, it has to the inboard gasket construction that exposes of lid, it is characterized in that: form the recess that can cover flange around said vesse lid, the pressurization with elastic force that forms integraty at the medial surface of above-mentioned recess is adjacent to portion.

2. according to the described container cover of claim 1, it is characterized by: in the groove hoop that the recess that covers forms, form above-mentioned pressurization and be adjacent to portion with gasket construction side-prominent in lid.

3, according to claim 1 or 2 described a kind of airtight containers that prevent self slip-off of locking sheet, it is characterized by: the bottom surface that is adjacent to portion in above-mentioned pressurization forms plane of bending, forms air layer when being adjacent to the flange pressurization of container body.

4, according to claim 1 or 2 described a kind of airtight containers that prevent self slip-off of locking sheet, it is characterized by:, also can form air layer when utilizing brute force to pressurize to the pressurization portion of being adjacent in the central projection that forms of above-mentioned plane of bending.

Images