CN109051277B - Improved sealed package container - Google Patents
Improved sealed package container Download PDFInfo
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- CN109051277B CN109051277B CN201810948662.XA CN201810948662A CN109051277B CN 109051277 B CN109051277 B CN 109051277B CN 201810948662 A CN201810948662 A CN 201810948662A CN 109051277 B CN109051277 B CN 109051277B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/06—Removable lids or covers having a peripheral channel embracing the rim of the container
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Abstract
The invention discloses an improved sealed packaging container, which comprises a container cover and an open container body, wherein the edge of the container cover and the edge of the container body are respectively provided with a first annular inner matching groove and a second annular inner matching groove, the notches of which are downward, in an outward extending manner; the first inner matching groove, the first outer matching groove, the second inner matching groove and the second outer matching groove are elastic matching grooves; the second inner matching groove is nested in the first inner matching groove, and the first outer matching groove is nested in the second outer matching groove; an anti-tripping structure is also arranged; the outer groove wall of the first outer matching groove and the outer groove wall of the second outer matching groove are in line contact with each other in an elastic jacking mode. The packaging container has the advantages of strong deformation resistance, stable anti-tripping structure and good sealing performance.
Description
Technical Field
The invention relates to a container, in particular to an improved sealed packaging container.
Background
The sealing device of the conventional food container or packaging container, such as the sealed lunch box disclosed in patent nos. 86210848, 87216769, 89200752 and 94222756, is composed of locking mechanisms such as buckles, press buttons and screws and sealing elements, but these designs all have the disadvantages of complex structure, high cost and the like, and are not suitable for plastic and paper snack boxes. Patent No. 89218416 discloses a plastic-absorbing snack box, which adopts a self-locking structure of two concave-convex steps to replace the plane coincidence of the original products, so that the snack box can not be opened by itself without the outer side after being combined, and the sealing performance is improved. However, when the snack box is deformed by extrusion, a gap is formed between the buckling parts of the box cover and the box body, and the soup cannot be effectively prevented from overflowing.
Chinese patent 200510042475.8 discloses a fully sealed ultra-thin food container which has excellent sealing performance and compressive strength, can effectively prevent food soup from leaking, and has a box cover which is not easy to fall off when the flexible box body is squeezed. The inner groove wall inner side of the groove is jointed with the outer side surface of the inner straight edge of the box opening complex edge, a lock catch part is arranged at the joint part, the inner side surface of the groove outer wall is provided with a convex block which is horizontally and inwards protruded, the convex block locks and catches the lower end part of the outer straight edge of the box opening complex edge, the outer edge of the box opening complex edge extends downwards and outwards, And the lower end part of the groove is propped against the inner side surface of the outer groove wall of the groove.
In the patent of the invention, the inner side surface of the inner groove wall of the groove is jointed with the outer side surface of the inner straight edge of the box opening compound edge, and a lock catch part is arranged at the joint part to form an inner sealing structure; the outer straight edge of the box opening compound edge extends downwards and outwards in an inclined mode, and the lower end portion of the box opening compound edge abuts against the inner side face of the outer groove wall of the groove to form an outer sealing structure; the inner side surface of the outer groove wall of the groove is provided with a convex block which horizontally protrudes inwards, and the convex block locks the lower end part of the outer straight edge of the box opening compound edge to form an anti-tripping structure. Thereby realizing excellent sealing performance and compressive strength, effectively preventing the food soup from overflowing and leaking, and ensuring that the box cover is not easy to fall off when the flexible box body is extruded.
However, the invention still has the following disadvantages:
the outer straight edge of the box opening compound edge of the box body extends downwards and outwards in an inclined mode, and the lower end portion of the outer straight edge of the box opening compound edge of the box body is propped against the inner side face of the outer groove wall of the annular groove of the box cover. Because lid and uncovered box body correspond the lid and close the back, the outer cell wall of the annular slot of lid is outside, including the outer straight edge on the compound edge of box mouth of box body, when the position that the compound edge below of box mouth received external force extrusion on the box body, can inwards cave in and warp, this box mouth is compound along receiving an inside decurrent pulling force, and the anticreep knot structure can be destroyed, and the lower tip on the outer straight edge of the compound edge of box mouth can not the hasp on the lug of the outer cell wall medial surface of the annular slot of lid. Therefore, the stability of the anti-tripping structure of the packaging container needs to be enhanced under the action of external force. Further, when the anti-tripping structure is unstable, the sealing performance of the packaging container is naturally reduced.
Disclosure of Invention
The invention aims to provide an improved sealed packaging container which is stable in anti-tripping structure and good in sealing performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
an improved sealed packaging container comprises a container cover and an open container body, wherein the edge of the container cover extends outwards to form an annular first inner matching groove with a downward notch; the opening edge of the container body is provided with a second annular inner matching groove with a downward notch in an outward extending manner, and the lower end part of the outer groove wall of the second inner matching groove is bent and extended outwards and upwards in sequence to form a second annular outer matching groove with an upward notch; the first inner matching groove, the first outer matching groove, the second inner matching groove and the second outer matching groove are elastic matching grooves; the second inner matching groove is nested in the first inner matching groove, and the first outer matching groove is nested in the second outer matching groove;
the inner side surface of the outer groove wall of the second outer matching groove is provided with a limiting lug, and the limiting lug is used for locking the upper end part of the outer groove wall of the first outer matching groove; or/and the outer groove wall of the second outer matching groove is of an inverse conical surface structure; or/and the outer side surface of the inner groove wall of the first inner matching groove and the inner side surface of the inner groove wall of the second inner matching groove are respectively provided with a first inner jacking component and a second inner jacking component which are mutually meshed; or/and the inner side surface of the outer groove wall of the first inner matching groove and the outer side surface of the outer groove wall of the second inner matching groove are respectively provided with a first outer jacking component and a second outer jacking component which are mutually meshed;
the outer groove wall of the first outer matching groove and the outer groove wall of the second outer matching groove are in line contact with each other in an elastic jacking mode.
The edge of the container cover is bent upwards to form an inner groove wall of the first inner matching groove, the upper end part of the inner groove wall of the first inner matching groove is bent outwards to form a groove top of the first inner matching groove, the outer end part of the groove top of the first inner matching groove is bent downwards to form an outer groove wall of the first inner matching groove or an inner groove wall of the first outer matching groove, the lower end part of the outer groove wall of the first inner matching groove is bent outwards to form a groove bottom of the first outer matching groove, and the outer end part of the groove bottom of the first outer matching groove is bent upwards to form an outer groove wall of the first outer matching groove; the opening of the container body is bent upwards to form an inner groove wall of the second inner matching groove, the upper end part of the inner groove wall of the second inner matching groove is bent outwards to form a groove top of the second inner matching groove, the outer end part of the groove top of the second inner matching groove is bent downwards to form an outer groove wall of the second inner matching groove or an inner groove wall of the second outer matching groove, the lower end part of the outer groove wall of the second inner matching groove is bent outwards to form a groove bottom of the second outer matching groove, and the outer end part of the groove bottom of the second outer matching groove is bent upwards to form an outer groove wall of the second outer matching groove.
The upper end part of the outer groove wall of the first outer matching groove inclines upwards and outwards and is tensioned and supported on the inner side surface of the outer groove wall of the second outer matching groove.
After the scheme is adopted, the improved sealed packaging container has the advantages that the second inner matching groove is nested in the first inner matching groove, the first outer matching groove is nested in the second outer matching groove, the edges of the container cover and the opening edge of the container body form a staggered rotary matching structure, and the strength of the matching part of the container cover and the container body is high; the anti-tripping structure adopts four forms, the first type is realized through a limiting convex block, the second type is realized through an anti-conical surface structure of the outer groove wall of an outer matching groove, and the third type and the fourth type are realized through a jacking component. When realizing through spacing lug, spacing lug is last, and the upper end of the outer cell wall in first external fitting groove is under, carries out the hasp to the upper end of the outer cell wall in first external fitting groove through spacing lug, forms first anticreep structure. When the anti-conical surface structure of the outer groove wall of the second outer matching groove is used for realizing, the outer groove wall of the first outer matching groove and the outer groove wall of the second outer matching groove are in line contact with each other in an elastic jacking mode, and the anti-conical surface structure of the outer groove wall of the second outer matching groove is used for locking the outer groove wall of the first outer matching groove to form a second anti-tripping structure. When the pressing part is used for realizing the pressing, a first inner pressing part and a second inner pressing part which are mutually meshed are respectively arranged on the outer side surface of the inner groove wall of the first inner matching groove and the inner side surface of the inner groove wall of the second inner matching groove; or/and the inner side surface of the outer groove wall of the first inner matching groove and the outer side surface of the outer groove wall of the second inner matching groove are respectively provided with a first outer jacking component and a second outer jacking component which are mutually meshed, so that a third anti-tripping structure and a fourth anti-tripping structure are respectively formed.
When the position of the edge below on the container body received external force extrusion or twists reverse, can inside sunken deformation, second inside mating groove and second outside mating groove all receive an inside decurrent power of dragging, because the outside mating groove of second and second outside mating groove and the crisscross gomphosis setting of first inside mating groove and first outside mating groove, and the outside mating groove of second outside, including first outside mating groove, when the outside mating groove of second and second receives external force and inwards tear down, the outside mating groove of second sticiss outside first outside mating groove more, the stability of each anti-disengaging structure has been guaranteed, when the outer extrusion of atress or twist reverse, anti-disengaging structure just locks more tightly. Therefore, the improved sealed packaging container can effectively overcome external force extrusion or torsion, and has stable anti-tripping structure and higher strength. In the present invention, the outer groove wall of the first outer engagement groove and the outer groove wall of the second outer engagement groove are in line contact with each other in an elastically abutting manner. The outer edge line sealing structure between the edge of the container cover and the opening edge of the container body is formed through the line contact between the outer groove wall of the first outer matching groove and the outer groove wall of the second outer matching groove, and the sealing performance between the edge of the container cover and the opening edge of the container body is improved.
Furthermore, the upper end part of the outer groove wall of the first outer matching groove inclines upwards and outwards and is supported on the inner side surface of the outer groove wall of the second outer matching groove in a tensioning manner. A reliable wire sealing structure is formed by the mode of inclining upwards and outwards and tensioning and propping.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a box cover and a box body according to an embodiment of the present invention;
FIG. 3 is a schematic view of the construction of the lid portion of FIG. 2;
FIG. 4 is a schematic structural view of the cartridge body portion of FIG. 2;
FIG. 5 is a schematic diagram of the lid and the box body according to the second embodiment of the present invention;
FIG. 6 is a schematic diagram of the lid and the box body according to the third embodiment of the present invention;
FIG. 7 is a schematic view of the lid and the body of the fourth embodiment of the present invention;
fig. 8 is a schematic diagram of the box cover and the box body according to the fifth embodiment of the present invention.
The attached drawings indicate the following:
1-a box cover; 11-a first internal mating groove; 111-an inner groove wall of the first inner mating groove; 112-the groove top of the first internal mating groove; 113-an outer groove wall of the first inner mating groove; 12-a first external mating groove; 121-an inner groove wall of the first outer mating groove; 122-the bottom of the first external mating groove; 123-an outer groove wall of the first outer mating groove; 1111-a first internal jacking component; 1131 — a first outer hold-down member;
2-box body; 21-a second internal mating groove; 211-an inner groove wall of the second inner mating groove; 212-a groove top of a second internal mating groove; 213-an outer groove wall of the second inner mating groove; 22-a second external mating groove; 221-an inner groove wall of the second outer mating groove; 222-the bottom of the second external mating groove; 223-an outer groove wall of the second outer mating groove; 23-a limit bump; 2111-a second internal hold-down component; 2131-second external pressing component.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention provides an improved sealed packaging container, which is described by taking a packaging box as an example for convenience of description.
In the invention, the direction facing to the central axis of the packing box is taken as the inner direction, and the direction back to the central axis of the packing box is taken as the outer direction.
In the invention, the box cover and the box body of the packing box are both made of elastic materials, or the matched parts of the box cover and the box body are both made of elastic materials. The elastic material can be ultrathin injection molding material with better elasticity and plasticity, and can also be other elastic materials, such as thicker plastic, elastic metal and the like.
The first embodiment is as follows:
the embodiment of the invention is shown in fig. 1-4, and comprises a box cover 1 and an open box body 2, wherein the edge of the box cover 1 extends outwards to form an annular first inner matching groove 11 with a downward notch, the lower end part of the outer groove wall 113 of the first inner matching groove is bent outwards and upwards in sequence to form an annular first outer matching groove 12 with an upward notch; the opening edge of the box body 2 is provided with a second annular inner matching groove 21 with a downward notch in an outward extending way, and the lower end part of the outer groove wall 213 of the second inner matching groove is bent and extended outwards and upwards in sequence to form a second annular outer matching groove 22 with an upward notch; the first inner fitting groove 11, the first outer fitting groove 12, the second inner fitting groove 21 and the second outer fitting groove 22 are all elastic fitting grooves; the inner side surface of the outer groove wall 223 of the second outer matching groove is provided with a limiting lug 23; the second inner matching groove 21 is nested in the first inner matching groove 11, the first outer matching groove 12 is nested in the second outer matching groove 22, and the limiting convex block 23 is used for locking the upper end part of the outer groove wall 123 of the first outer matching groove.
As shown in fig. 3, the edge of the box cover 1 is bent upward to form the inner groove wall 111 of the first inner matching groove 11, the upper end portion of the inner groove wall 111 of the first inner matching groove is bent outward to form the groove top 112 of the first inner matching groove, the outer end portion of the groove top 112 of the first inner matching groove is bent downward to form the outer groove wall 113 of the first inner matching groove or the inner groove wall 121 of the first outer matching groove (the outer groove wall 113 of the first inner matching groove and the inner groove wall 121 of the first outer matching groove are shared), the lower end portion of the outer groove wall 113 of the first inner matching groove is bent outward to form the groove bottom 122 of the first outer matching groove, and the outer end portion of the groove bottom 122 of the first outer matching groove is bent upward to form the outer groove wall 123 of the first outer matching groove.
As shown in fig. 4, the opening of the box body 2 is bent upward to form an inner groove wall 211 of the second inner engaging groove 21, an upper end portion of the inner groove wall 211 of the second inner engaging groove is bent outward to form a groove top 212 of the second inner engaging groove, an outer end portion of the groove top 212 of the second inner engaging groove is bent downward to form an outer groove wall 213 of the second inner engaging groove or an inner groove wall 221 of the second outer engaging groove (the outer groove wall 213 of the second inner engaging groove and the inner groove wall 221 of the second outer engaging groove are common), a lower end portion of the outer groove wall 213 of the second inner engaging groove is bent outward to form a groove bottom 222 of the second outer engaging groove, and an outer end portion of the groove bottom 222 of the second outer engaging groove is bent upward to form an outer groove wall 223 of the second outer engaging groove.
In the improved sealed packaging container of the embodiment, the second inner matching groove 21 is nested in the first inner matching groove 11, the first outer matching groove 12 is nested in the second outer matching groove 22, a mutually staggered rotary matching structure is formed between the edge of the box cover 1 and the edge of the box body 2, and the strength of the matching part of the box cover 1 and the box body 2 is higher; the limiting projection 23 is located above the first outer fitting groove, the upper end of the outer groove wall 123 of the first outer fitting groove is located below the first outer fitting groove, and the limiting projection 23 is used for locking the upper end of the outer groove wall 123 of the first outer fitting groove to form an anti-tripping structure. When the position below the opening edge of the box body 2 is extruded or twisted by external force, the box body can be inwards sunken and deformed, the second inner matching groove 21 and the second outer matching groove 22 are both subjected to inward and downward pulling force, because the second inner matching groove 21 and the second outer matching groove 22 are in staggered embedded arrangement with the first inner matching groove 11 and the first outer matching groove 12, and the second outer matching groove 22 is outside, the first outer matching groove 12 is inside, when the second inner matching groove 21 and the second outer matching groove 22 are pulled inwards and downward by external force, the second outer matching groove 22 is more tightly pressed outside the first outer matching groove 12, the limiting lug 23 is more tightly pressed at the upper end part of the outer groove wall 123 of the first outer matching groove 12 to lock the first outer matching groove, and when the box body is more stressed and extruded or twisted, the anti-tripping structure is more tightly. Therefore, the improved sealed packaging container can effectively overcome external force extrusion or torsion, and has stable anti-tripping structure and higher strength.
The limiting lugs 23 are circumferentially distributed on the inner side surface of the outer groove wall 223 of the second outer matching groove at intervals, and the limiting lugs 23 are in a round point structure or a pointed structure; or the limit projection 23 is arranged on the inner side surface of the outer groove wall 223 of the second outer matching groove in a closed ring shape along the circumferential direction.
As shown in fig. 2, in this embodiment, the inner and outer groove walls of the first inner engaging groove 11 and the second inner engaging groove 21 are both of adaptive conical surface structures, and are not attached to each other. And the upper end of the outer groove wall 123 of the first outer matching groove is inclined upwards and outwards and is tensioned and supported against the inner side surface of the outer groove wall 223 of the second outer matching groove to form an outer edge line sealing structure, a reliable line sealing structure is formed by the mode of upward and outwards inclined, tensioned and supported, and the upper end of the outer groove wall 123 of the first outer matching groove is locked and buckled below the limiting lug 23.
Example two:
as shown in fig. 5, the present embodiment is different from the first embodiment only in that: the inner and outer groove walls of the first inner matching groove 11 and the second inner matching groove 21 are both of a straight edge structure matched with each other and are not attached to each other.
Example three:
as shown in fig. 6, the present embodiment is different from the second embodiment only in that: the limiting convex block 23 is omitted, and the outer groove wall of the second outer matching groove 22 is of an inverse conical surface structure. The upper end of the outer groove wall 123 of the first outer fitting groove is locked by the outer groove wall of the second outer fitting groove 22 of the reverse conical surface structure, so as to form a second anti-tripping structure.
Example four:
as shown in fig. 7, the present embodiment is different from the third embodiment only in that: the outer side surface of the inner groove wall 111 of the first inner engagement groove 11 and the inner side surface of the inner groove wall 211 of the second inner engagement groove 21 are respectively provided with a first inner pushing component 1111 and a second inner pushing component 2111 which are engaged with each other. The first internal pressing component 1111 and the second internal pressing component 2111 are engaged with each other to form a third anti-tripping structure.
Example five:
as shown in fig. 8, the present embodiment is different from the third embodiment only in that: the inner side surface of the outer groove wall 113 of the first inner engagement groove 11 and the outer side surface of the outer groove wall 213 of the second inner engagement groove 21 are provided with a first outer pressing member 1131 and a second outer pressing member 2131, which are engaged with each other, respectively. The first outer pressing member 1131 and the second outer pressing member 2131 are engaged with each other to form a fourth anti-tripping structure.
The core invention points of the invention are that: the edge of the container cover and the opening edge of the container body are respectively provided with an inner matching groove and an outer matching groove, so that a staggered rotary matching structure is formed between the edge of the container cover and the opening edge of the container body, and the strength of the matching part of the container cover and the container body is higher; the anti-tripping structure adopts four forms, the first type is realized through a limiting convex block, the second type is realized through an anti-conical surface structure of the outer groove wall of an outer matching groove, and the third type and the fourth type are realized through a jacking component. When realizing through spacing lug, spacing lug is last, and the upper end of the outer cell wall in first external fitting groove is under, carries out the hasp to the upper end of the outer cell wall in first external fitting groove through spacing lug, forms first anticreep structure. When the anti-conical surface structure of the outer groove wall of the second outer matching groove is used for realizing, the outer groove wall of the first outer matching groove and the outer groove wall of the second outer matching groove are in line contact with each other in an elastic jacking mode, and the outer groove wall of the first outer matching groove is locked through the anti-conical surface structure of the outer groove wall of the second outer matching groove, so that a second anti-tripping structure is formed. When the pressing component is used for realizing the pressing, a first inner pressing component and a second inner pressing component which are mutually meshed are respectively arranged on the outer side surface of the inner groove wall of the first inner matching groove and the inner side surface of the inner groove wall of the second inner matching groove; or/and the inner side surface of the outer groove wall of the first inner matching groove and the outer side surface of the outer groove wall of the second inner matching groove are respectively provided with a first outer jacking component and a second outer jacking component which are mutually meshed, so that a third anti-tripping structure and a fourth anti-tripping structure are respectively formed.
When the position of the edge below on the container body receives external force extrusion or twists reverse, can inside sunken deformation, the outer cooperation groove of second inner cooperation groove and second all receives an inside decurrent power of pulling, because the outer cooperation groove of second inner cooperation groove and second and the crisscross gomphosis setting of first inner cooperation groove and first outer cooperation groove, and the outer cooperation groove of second is outside, including first outer cooperation groove, when the outer cooperation groove of second inner cooperation groove and second receives external force and inwards pulls down, the outer cooperation groove of second sticiss outside first outer cooperation groove more, the stability of each anti-disengagement structure has been guaranteed, when the outer extrusion of atress or twist reverse, the anti-disengagement structure just can be tighter with the hasp. Therefore, the improved sealed packaging container can effectively overcome external force extrusion or torsion, and has a stable anti-tripping structure and high strength. In the present invention, the outer groove wall of the first outer engagement groove and the outer groove wall of the second outer engagement groove are in line contact with each other in an elastically abutting manner. The outer edge line sealing structure between the edge of the container cover and the opening edge of the container body is formed through the line contact between the outer groove wall of the first outer matching groove and the outer groove wall of the second outer matching groove, and the sealing performance between the edge of the container cover and the opening edge of the container body is improved.
In each embodiment of the present invention, in which the limiting protrusion 23 is disposed, the upper end of the outer groove wall 123 of the first outer engaging groove is locked under the limiting protrusion 23.
Further, when the first and second trip prevention structures are employed, a first inner biasing member 1111 or/and a second inner biasing member 2111 may be provided on an outer side surface of the inner groove wall 111 of the first inner fitting groove 11 or/and an inner side surface of the inner groove wall 211 of the second inner fitting groove 21; alternatively, a first outer pressing member 1131 is provided on an inner surface of the outer groove wall 113 of the first inner engagement groove and/or a second outer pressing member 2131 is provided on an outer surface of the outer groove wall 213 of the second inner engagement groove. Each jacking component can adopt a closed loop structure or an interrupted structure, and the interrupted structure can adopt a point shape or a sawtooth shape. Through the roof pressure of roof pressure part, can strengthen outer edge seal structure's sealing performance, when the roof pressure part adopted closed loop construction, also can form a line seal structure between roof pressure part and the corresponding cell wall moreover.
In the embodiments of the present invention, if the groove wall of each matching groove adopts a conical surface structure, the taper of the conical surface is selected to be 2-12 °.
Further, in the present invention, the outer groove wall of the second outer fitting groove may be provided with a pull ring and a handle, respectively. The outer groove wall of the second outer matching groove can be conveniently pulled outwards to deform through the handle or the pull ring, the outer groove wall of the first outer matching groove is exposed, and the container cover can be conveniently opened.
Furthermore, in the present invention, an outer groove wall of the second outer fitting groove may be formed with a first notch and a second notch which are vertically distributed, and depths of the first notch and the second notch are slightly smaller than a wall thickness of the outer groove wall of the second outer fitting groove. The part of the outer groove wall of the second outer matching groove, which is positioned between the two notches, can be torn off along the vertical part or the whole part through the two notches, so that the outer groove wall of the first outer matching groove is exposed, and the container cover is convenient to open.
Further, in the present invention, the upper edge of the outer groove wall of the second outer engaging groove may be provided with a notch, and the outer groove wall of the second outer engaging groove is provided with a thin-walled region corresponding to the notch in the vertical direction. The thin-wall area is partially or completely torn off along the vertical direction through the notch, and the outer groove wall of the first outer matching groove is exposed, so that the container cover is convenient to open.
In each embodiment of the present invention, a gap may be left between the groove bottom 122 of the first external fitting groove and the groove bottom 222 of the second external fitting groove, and if the packing box is made of a material with a small deformation amount, the gap may be pried by a tool when the packing box is opened, so as to facilitate the opening of the packing box.
In each embodiment of the invention, the four anti-tripping structures can be respectively and independently arranged, and two or three or four anti-tripping structures can also be used in combination.
The above-mentioned embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be apparent to those skilled in the art that other variations and modifications of the present invention may be made on the basis of the above description. This need not be, nor should it be exhaustive of all embodiments. And such obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the present invention.
Claims (3)
1. An improved sealed packaging container, comprising a container cover and an open container body, characterized in that: the edge of the container cover extends outwards to form an annular first inner matching groove with a downward notch, and the lower end part of the outer groove wall of the first inner matching groove is bent outwards and upwards in sequence to form an annular first outer matching groove with an upward notch; the opening edge of the container body is outwards extended and provided with a second annular inner matching groove with a downward notch, and the lower end part of the outer groove wall of the second inner matching groove is sequentially outwards and upwards bent and extended to form a second annular outer matching groove with an upward notch; the second inner matching groove is nested in the first inner matching groove, so that the first inner matching groove and the second inner matching groove form elastic matching, the first outer matching groove is nested in the second outer matching groove, so that the first outer matching groove and the second outer matching groove form elastic matching, and therefore, mutually staggered rotary matching structures are formed between the edge of the container cover and the opening edge of the container body;
the inner side surface of the outer groove wall of the second outer matching groove is provided with a limiting lug, and the limiting lug is used for locking the upper end part of the outer groove wall of the first outer matching groove;
the outer groove wall of the first outer matching groove and the outer groove wall of the second outer matching groove are in line contact with each other in an elastic jacking mode.
2. An improved sealed packaging container as claimed in claim 1, wherein: the edge of the container cover is bent upwards to form an inner groove wall of the first inner matching groove, the upper end part of the inner groove wall of the first inner matching groove is bent outwards to form a groove top of the first inner matching groove, the outer end part of the groove top of the first inner matching groove is bent downwards to form an outer groove wall of the first inner matching groove or an inner groove wall of the first outer matching groove, the lower end part of the outer groove wall of the first inner matching groove is bent outwards to form a groove bottom of the first outer matching groove, and the outer end part of the groove bottom of the first outer matching groove is bent upwards to form an outer groove wall of the first outer matching groove; the opening of the container body is bent upwards to form an inner groove wall of the second inner matching groove, the upper end part of the inner groove wall of the second inner matching groove is bent outwards to form a groove top of the second inner matching groove, the outer end part of the groove top of the second inner matching groove is bent downwards to form an outer groove wall of the second inner matching groove or an inner groove wall of the second outer matching groove, the lower end part of the outer groove wall of the second inner matching groove is bent outwards to form a groove bottom of the second outer matching groove, and the outer end part of the groove bottom of the second outer matching groove is bent upwards to form an outer groove wall of the second outer matching groove.
3. An improved sealed packaging container according to claim 1 or 2, wherein: the upper end part of the outer groove wall of the first outer matching groove inclines upwards and outwards and is tensioned and supported on the inner side surface of the outer groove wall of the second outer matching groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820930000 | 2018-06-15 | ||
| CN2018209300005 | 2018-06-15 |
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| Publication Number | Publication Date |
|---|---|
| CN109051277A CN109051277A (en) | 2018-12-21 |
| CN109051277B true CN109051277B (en) | 2022-07-26 |
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| CN201821344639.1U Active CN209225711U (en) | 2018-06-15 | 2018-08-20 | A kind of improved sealed package |
| CN201810948662.XA Active CN109051277B (en) | 2018-06-15 | 2018-08-20 | Improved sealed package container |
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| CN201821344639.1U Active CN209225711U (en) | 2018-06-15 | 2018-08-20 | A kind of improved sealed package |
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| CN110834807A (en) * | 2019-11-21 | 2020-02-25 | 江苏九九铝业有限公司 | Cover of mechanical cleaning agent storage box |
| CN216602508U (en) * | 2021-10-19 | 2022-05-27 | 深圳市微厨科技有限公司 | Heating lunch box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2975842B2 (en) * | 1993-12-02 | 1999-11-10 | 株式会社三栄工業 | Container with closed lid |
| CN201261570Y (en) * | 2008-06-16 | 2009-06-24 | 吴深雄 | Sealed type mess-tin |
| CN201367153Y (en) * | 2009-02-24 | 2009-12-23 | 吴深雄 | Ultrathin sealed snack box |
| CN201784853U (en) * | 2010-06-13 | 2011-04-06 | 泉州梅洋塑胶五金制品有限公司 | Improved structure of totally-sealed ultra-thin food container |
| CN202924071U (en) * | 2012-07-05 | 2013-05-08 | 常州瑞杰塑料有限公司 | Anti-counterfeiting plastic sealed container |
| CN202908050U (en) * | 2012-11-09 | 2013-05-01 | 北京京兴兴旺腾飞塑料制品有限公司 | Externally-buckled lunch box |
| TW201441114A (en) * | 2013-04-17 | 2014-11-01 | Vigour Pak Co Ltd | Container structure having opening recognition function |
| CN204467245U (en) * | 2015-01-06 | 2015-07-15 | 广东悦盛日塑科技有限公司 | A kind of cutlery box |
| CN204812525U (en) * | 2015-08-18 | 2015-12-02 | 浙江新天力容器科技有限公司 | Circular sealed plastics cutlery box |
| CN207341353U (en) * | 2017-09-30 | 2018-05-11 | 陈敏丽 | A kind of novel seal mess-tin |
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2018
- 2018-08-20 CN CN201821344639.1U patent/CN209225711U/en active Active
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| CN109051277A (en) | 2018-12-21 |
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