CN108945777B - Improved structure of sealed package container - Google Patents
Improved structure of sealed package container Download PDFInfo
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- CN108945777B CN108945777B CN201810949711.1A CN201810949711A CN108945777B CN 108945777 B CN108945777 B CN 108945777B CN 201810949711 A CN201810949711 A CN 201810949711A CN 108945777 B CN108945777 B CN 108945777B
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- groove
- matching groove
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- groove wall
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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
- B65D43/065—Removable lids or covers having a peripheral channel embracing the rim of the container the peripheral channel having an inverted U-shape
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/20—Lunch or picnic boxes or the like
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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
- B65D43/08—Removable lids or covers having a peripheral flange fitting over the rim of the container
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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
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Packages (AREA)
Abstract
The invention discloses an improved structure of a sealed packaging container, which comprises a container cover and an open container body, wherein the edge of the container cover is provided with a first inner matching groove and a first outer matching groove of a rotary structure; 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. At least one pair of corresponding groove walls of the first inner matching groove and the second inner matching groove are in matched conical shapes and are mutually attached together. The inner groove wall of the first inner matching groove and the inner groove wall of the second inner matching groove or the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove are in line contact with each other in an elastic jacking mode. 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 structure for sealing a 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 snack box, which adopts a self-locking structure with two concave-convex steps to replace the plane matching of the original product, so that the snack box can not be opened by itself without being close to the outer edge after being closed, 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 and soup from leaking, and has a box cover which is not easy to fall off when the flexible box body is squeezed. The box comprises a box cover and an open box body, wherein the edge of the box cover extends upwards to form an inner groove wall, the upper end part of the inner groove wall horizontally bends outwards to form a groove top, the outer end part of the groove top bends downwards to form an outer groove wall, an annular groove with a downward opening is formed by the inner groove wall, the groove top and the outer groove wall, a box opening of the box body extends upwards to form an inner straight edge, the upper end part of the inner straight edge horizontally bends outwards to form a flat edge, the outer end part of the flat edge bends downwards to form an outer straight edge, the inner straight edge, the flat edge and the outer straight edge form a box opening complex edge, a groove sleeve is buckled on the box opening complex edge, 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 complex edge, a locking part is arranged at the joint part, a convex block which horizontally protrudes inwards is arranged on the inner side surface of the outer groove wall of the groove, the convex block locks the lower end part of the outer straight edge of the box opening complex edge, the outer straight edge of the box opening complex edge extends downwards and obliquely 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 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 abuts against the inner side face of the outer groove wall of the annular groove of the box cover. Because the lid corresponds the lid with uncovered box body and closes the back, the outer cell wall of the annular slot of lid is outside, including the outer straight edge on the box mouth complex edge of box body, when the position that the box mouth complex edge below received external force extrusion on the box body, can inwards cave in and warp, this box mouth complex edge receives an inside decurrent power of pulling, and the anticreep knot structure can be destroyed, and the lower tip on the outer straight edge on the box mouth complex edge 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 structure of a sealed packaging container, which has a stable anti-tripping structure and good sealing performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
the improved structure of the 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, 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 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 in an inverted conical surface structure;
The inner groove wall of the first inner matching groove and the inner groove wall of the second inner matching groove are in matched taper shapes and are mutually attached together; or the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove are in matched conical shapes and are mutually attached together;
the inner groove wall of the first inner matching groove and the inner groove wall of the second inner matching groove are in line contact with each other in an elastic jacking mode; or the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove are in line contact with each other in an elastic jacking mode;
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 conicity of the inner groove wall of the first inner matching groove, the inner groove wall of the second inner matching groove, the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove is 2-12 degrees.
The first outer matching groove or/and the second inner matching groove are/is a solid cone.
The first outer matching groove is nested in the second outer matching groove in an interference fit mode or/and the second inner matching groove is nested in the first inner matching groove in an interference fit mode.
The inner groove wall of the first inner matching groove is tangent to the inner groove wall of the second inner matching groove; or the outer groove wall of the first inner matching groove is tangent to the outer groove wall of the second inner 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 structure of the sealed packaging container is characterized in 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 higher; the anti-tripping structure adopts two forms, the first type is realized through a limiting convex block, and the second type is realized through an anti-conical surface structure of the outer groove wall of the outer matching groove. 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 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 structure of the sealed packaging container can effectively overcome external force extrusion or torsion, and has stable anti-tripping structure and higher strength. In addition, in the invention, a pair of corresponding groove walls of the first internal matching groove and the second internal matching groove are in matched taper shapes and are mutually attached together, and the sealing performance of the edge of the container cover and the opening edge of the container body is realized through the taper matching of the first internal matching groove and the second internal matching groove. In the invention, the inner groove wall of the first inner matching groove and the inner groove wall of the second inner matching groove are in line contact with each other in an elastic jacking manner; or the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove are in line contact with each other in an elastic jacking mode. Through the line contact between the inner groove wall of the first inner matching groove and the inner groove wall of the second inner matching groove, or the line contact between the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove, an inner line sealing structure or a middle line sealing structure between the edge of the container cover and the opening edge of the container body is formed, and the sealing performance between the edge of the container cover and the opening edge of the container body is improved. 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.
Further, the first outer matching groove or/and the second inner matching groove is/are solid cones. Through setting up solid cone, improved the structural strength in first outer cooperation groove and the second interior cooperation groove to between first outer cooperation groove and the first interior cooperation groove, the cooperation stability between the second outer cooperation groove and the second interior cooperation groove has been improved.
Further, the first outer fitting groove is nested in the second outer fitting groove in an interference fit manner or/and the second inner fitting groove is nested in the first inner fitting groove in an interference fit manner; the sealing performance of the inner line sealing structure or the middle line sealing structure and the outer line sealing structure is more reliable through interference fit.
Further, the inner groove wall of the first inner matching groove is tangent to the inner groove wall of the second inner matching groove, or the outer groove wall of the first inner matching groove is tangent to the outer groove wall of the second inner matching groove, and a line sealing structure is formed in a tangent mode.
Further, 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 mode. A reliable wire sealing structure is formed by the mode of inclining upwards and outwards and tensioning and propping.
Drawings
Fig. 1-17 are schematic diagrams illustrating a box cover and a box body according to a seventeenth 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;
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-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-a groove bottom of the second external mating groove; 223-an outer groove wall of the second outer mating groove; 23-limit bump.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention provides an improved structure of a 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 relates to an improved structure of a sealed packaging container, which is shown in figure 1 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 matching groove 11, the first outer matching groove 12, the second inner matching groove 21 and the second outer matching groove 22 are all elastic matching 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.
The edge of the box cover 1 is bent upwards to form the inner groove wall 111 of the first inner matching groove 11, the upper end of the inner groove wall 111 of the first inner matching groove is bent outwards to form the groove top 112 of the first inner matching groove, the outer end of the groove top 112 of the first inner matching groove is bent downwards 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 of the outer groove wall 113 of the first inner matching groove is bent outwards to form the groove bottom 122 of the first outer matching groove, and the outer end of the groove bottom 122 of the first outer matching groove is bent upwards to form the outer groove wall 123 of the first outer matching groove.
The opening of the box body 2 is bent upwards to form an inner groove wall 211 of the second inner matching groove 21, the upper end part of the inner groove wall 211 of the second inner matching groove is bent outwards to form a groove top 212 of the second inner matching groove, the outer end part of the groove top 212 of the second inner matching groove is bent downwards to form an outer groove wall 213 of the second inner matching groove or an inner groove wall 221 of the second outer matching groove (the outer groove wall 213 of the second inner matching groove and the inner groove wall 221 of the second outer matching groove are shared), the lower end part of the outer groove wall 213 of the second inner matching groove is bent outwards to form a groove bottom 222 of the second outer matching groove, and the outer end part of the groove bottom 222 of the second outer matching groove is bent upwards to form an outer groove wall 223 of the second outer matching groove.
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 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 high; 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 deformed inwards in a concave manner, the second inner matching groove 21 and the second outer matching groove 22 both bear inward and downward pulling force, because the second inner matching groove 21 and the second outer matching groove 22 are arranged with the first inner matching groove 11 and the first outer matching groove 12 in a staggered and embedded manner, the second outer matching groove 22 is arranged outside the first outer matching groove 12, the first outer matching groove 12 is arranged inside the second inner matching groove 21 and the second outer matching groove 22, 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 pressed outside the first outer matching groove 12 more tightly, the limiting lug 23 is pressed on the upper end part of the outer groove wall 123 of the first outer matching groove 12 more tightly to lock the first outer matching groove, and when the box body is extruded or twisted more tightly by external force, the anti-release structure is more tightly locked. Therefore, the improved structure of the sealed packaging container can effectively overcome external force extrusion or torsion, and has more 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.
The inner groove wall of the first inner matching groove 11 and the outer groove wall of the second outer matching groove 22 adopt straight edge structures, each corner is of an arc transition structure, and the outer groove wall of the first inner matching groove 11, the outer groove wall of the first outer matching groove 12, the inner groove wall of the second inner matching groove 21 and the outer groove wall of the second inner matching groove 21 all adopt conical surface structures. The second inner fitting groove 21 is interference-fitted with the first inner fitting groove 11, and the second outer fitting groove 22 is interference-fitted with the first outer fitting groove 12.
The inner groove wall of the first outer matching groove 12 and the inner groove wall of the second outer matching groove 22 both adopt adaptive conical surface structures and are attached together to form a middle edge surface sealing structure.
By utilizing interference fit, the turning arc transition part of the inner groove wall of the first inner matching groove 11 is tangent to the inner groove wall of the second inner matching groove 21 to form an inner line sealing structure.
The upper end of the outer groove wall 123 of the first outer fitting groove is inclined upwards and outwards to be tensioned and supported on the inner side surface of the outer groove wall 223 of the second outer fitting groove, so that an outer edge line sealing structure is formed, a reliable line sealing structure is formed in a manner of upward inclination and tensioning and supporting, and the upper end of the outer groove wall 123 of the first outer fitting groove is locked and buckled below the limiting bump 23.
The groove bottom of the first external fitting groove 12 and the groove bottom of the second external fitting groove 22 are in face contact with each other.
Examples two-sixteen:
as shown in fig. 2 to 16, the second to sixteenth embodiments are modifications of the first embodiment, specifically, the second inner fitting groove 21 is in interference fit with the first inner fitting groove 11, the second outer fitting groove 22 is in interference fit with the first outer fitting groove 12, the inner groove wall of the second inner fitting groove 21 and the inner groove wall of the first inner fitting groove 11 are in surface contact with each other to form an inner edge sealing structure or are in tangent to form an inner edge sealing structure, the outer groove wall of the second inner fitting groove 21 and the outer groove wall of the first inner fitting groove 11 are in tangent to form a middle edge sealing structure or are in surface contact with each other to form a middle edge sealing structure, the second inner fitting groove 21 and the groove top of the first inner fitting groove 11 are in surface contact with each other to form a surface sealing structure, the second outer fitting groove 22 and the groove bottom of the first outer fitting groove 12 are in surface contact with each other to form a surface sealing structure or are not in contact with each other, and the upper end of the outer groove wall of the first outer fitting groove 12 is inclined against the outer groove wall of the second fitting groove 22 to form an inclined sealing structure An outer edge line sealing structure is formed.
The inner groove wall of the first inner matching groove 11, the outer groove wall of the first inner matching groove 11, the inner groove wall of the second inner matching groove 21 and the outer groove wall of the second inner matching groove 21 can adopt a straight edge structure, a conical surface structure or a reverse conical surface structure as required, and the turning part of each groove wall is an arc transition structure. The turning arc transition part of the groove wall is tangent to the corresponding groove wall to form an inner line sealing structure or a middle line sealing structure. The sealing structure of the middle edge or the inner edge surface is formed by mutual surface contact between the corresponding groove walls.
Example seventeen:
as shown in fig. 17, the present embodiment is different from the first 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 matching groove is locked by the outer groove wall of the second outer matching groove 22 of the reverse conical surface structure, so that a second anti-tripping structure is formed.
In this embodiment, the upper end portion of the outer groove wall 123 of the first outer engagement groove is also inclined upward and outward and tightly pressed against the inner side surface of the outer groove wall 223 of the second outer engagement groove, so as to form an outer edge line sealing 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 two forms, the first is realized through a limiting convex block, and the second is realized through an anti-conical surface structure of the outer groove wall of the outer matching groove. 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 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 structure of the sealed packaging container can effectively overcome external force extrusion or torsion, and has more stable anti-tripping structure and higher strength. In addition, in the invention, a pair of corresponding groove walls of the first inner matching groove and the second inner matching groove are in matched conical shapes and are mutually attached together, and the sealing performance of the edge of the container cover and the opening edge of the container body is realized through the taper matching of the first inner matching groove and the second inner matching groove. In the invention, the inner groove wall of the first inner matching groove and the inner groove wall of the second inner matching groove are in line contact with each other in an elastic jacking way; or the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove are in line contact with each other in an elastic jacking mode. Through the line contact between the inner groove wall of the first inner matching groove and the inner groove wall of the second inner matching groove, or the line contact between the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove, an inner line sealing structure or a middle line sealing structure between the edge of the container cover and the opening edge of the container body is formed, and the sealing performance between the edge of the container cover and the opening edge of the container body is improved. 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.
In the embodiments of the present invention, if the groove walls of the mating grooves adopt 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, and the outer groove wall of the first outer matching groove is exposed, so that 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 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 opening the packing box.
In various embodiments of the present invention, the first external fitting groove 12 or/and the second internal fitting groove 21 may be a solid cone. Through setting up solid cone, improved the structural strength of first outer cooperation groove 12 and second inner cooperation groove 21 to improved the cooperation stability between first inner cooperation groove 11 and the second inner cooperation groove 21, between first outer cooperation groove 12 and the second outer cooperation groove 22.
In each embodiment of the invention, the two anti-tripping structures can be respectively and independently arranged, and 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. And are neither required nor 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 (7)
1. The improved structure of the sealed packaging container comprises a container cover and an open container body, and is 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 is elastically matched with the second inner matching groove, the first outer matching groove is nested in the second outer matching groove, so that the first outer matching groove is elastically matched with the second outer matching groove, and therefore, mutually staggered rotary matching structures are formed between the edge of the container cover and the 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 second outer matching groove is of an inverse conical surface structure, and the upper end part of the outer groove wall of the first outer matching groove is locked through the inverse conical surface structure;
The inner groove wall of the first inner matching groove and the inner groove wall of the second inner matching groove are in matched taper shapes and are mutually attached together; or the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove are in matched taper shapes and are mutually attached together;
the inner groove wall of the first inner matching groove and the inner groove wall of the second inner matching groove are in line contact with each other in an elastic jacking mode; or the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove are in line contact with each other in an elastic jacking mode;
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. The improved structure of a sealed package container of 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. The improved structure of a sealed package container according to claim 1 or 2, wherein: the conicity of the inner groove wall of the first inner matching groove, the inner groove wall of the second inner matching groove, the outer groove wall of the first inner matching groove and the outer groove wall of the second inner matching groove is 2-12 degrees.
4. The improved structure of a sealed package container according to claim 1 or 2, wherein: the first outer matching groove or/and the second inner matching groove are/is a solid cone.
5. The improved structure of a sealed package container according to claim 1 or 2, wherein: the first outer matching groove is nested in the second outer matching groove in an interference fit mode or/and the second inner matching groove is nested in the first inner matching groove in an interference fit mode.
6. The improved structure of a sealed package container according to claim 1 or 2, wherein: the inner groove wall of the first inner matching groove is tangent to the inner groove wall of the second inner matching groove; or the outer groove wall of the first inner matching groove is tangent to the outer groove wall of the second inner matching groove.
7. The improved structure of a sealed package 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 |
|---|---|---|---|
| CN2018209301296 | 2018-06-15 | ||
| CN201820930129 | 2018-06-15 |
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| CN108945777A CN108945777A (en) | 2018-12-07 |
| CN108945777B true CN108945777B (en) | 2022-06-28 |
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| CN201810949711.1A Active CN108945777B (en) | 2018-06-15 | 2018-08-20 | Improved structure of sealed package container |
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| CN114433406A (en) * | 2020-11-02 | 2022-05-06 | 广州奕至家居科技有限公司 | Atomization sheet working circuit, atomizer and atomization control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201441114A (en) * | 2013-04-17 | 2014-11-01 | Vigour Pak Co Ltd | Container structure having opening recognition function |
| CN207174277U (en) * | 2017-07-18 | 2018-04-03 | 四川聚釜有盛新材料有限公司 | A kind of container that leak is prevented from inner side |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2975842B2 (en) * | 1993-12-02 | 1999-11-10 | 株式会社三栄工業 | Container with closed lid |
| US7097066B2 (en) * | 2002-01-29 | 2006-08-29 | The Glad Products Company | Plate container with detachable cover |
| 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 |
| 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 CN201821344719.7U patent/CN209225712U/en active Active
- 2018-08-20 CN CN201810949711.1A patent/CN108945777B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201441114A (en) * | 2013-04-17 | 2014-11-01 | Vigour Pak Co Ltd | Container structure having opening recognition function |
| CN207174277U (en) * | 2017-07-18 | 2018-04-03 | 四川聚釜有盛新材料有限公司 | A kind of container that leak is prevented from inner side |
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| CN209225712U (en) | 2019-08-09 |
| CN108945777A (en) | 2018-12-07 |
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