CN217075419U

CN217075419U - Lid subassembly and packaging container

Info

Publication number: CN217075419U
Application number: CN202220868067.7U
Authority: CN
Inventors: 张巍
Original assignee: Danjiangkou Jiaoyang Packaging Technology Co ltd
Current assignee: Danjiangkou Jiaoyang Packaging Technology Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-07-29
Anticipated expiration: 2032-04-15

Abstract

The utility model relates to a lid subassembly and packaging container, wherein, the lid subassembly includes: the cover body comprises a circumferential side wall and a top wall arranged at the top of the circumferential side wall, and the top wall is provided with a first connecting part and a second connecting part; the suction nozzle is connected with the first connecting part; the pressing piece is arranged inside the cover body, the first end of the pressing piece is connected with the second connecting part, and the second end of the pressing piece extends towards the central axis of the cover body; the second connecting portion is located between the first connecting portion and the circumferential side wall, and the pressing piece is configured to be stressed and deformed to be attached to a portion between the second connecting portion and the first connecting portion. The inside of lid is equipped with the pressfitting piece, and at the in-process that lid subassembly and bottle are connected, the pressfitting piece receives the effort buckling deformation of the seal membrane of the bottleneck and the bottleneck of bottle, finally makes the position laminating between pressfitting piece and second connecting portion to the first connecting portion, has increased the sealed area of lid and bottleneck, has improved sealed effect.

Description

Lid subassembly and packaging container

Technical Field

The utility model relates to the field of packaging technology, especially, relate to a lid subassembly and packaging container.

Background

The filling bottle of function type beverage on the existing market has two kinds, one kind is that bottleneck inside diameter is 34.8 mm's hot filling bottle, and another kind is that bottleneck inside diameter is 36 mm's aseptic filling bottle, and the tradition is used for the sealed motion lid of filling bottle can only satisfy the sealed demand that the bottleneck internal diameter is 34.8 mm's hot filling bottle, when being used for the aseptic filling bottle that bottleneck inside diameter is 36mm, and sealed effect is not enough.

Disclosure of Invention

Some embodiments of the utility model provide a lid subassembly and packaging container for alleviate the not enough problem of sealed effect.

In one aspect of the present invention, there is provided a cap assembly, comprising:

the cover body comprises a circumferential side wall and a top wall arranged at the top of the circumferential side wall, and the top wall is provided with a first connecting part and a second connecting part;

the suction nozzle is connected with the first connecting part; and

the pressing piece is arranged inside the cover body, the first end of the pressing piece is connected with the second connecting part, and the second end of the pressing piece extends towards the central axis of the cover body; the second connecting portion is located between the first connecting portion and the circumferential side wall, and the pressing piece is configured to be stressed and deformed to be attached to a portion between the second connecting portion and the first connecting portion.

In some embodiments, the lid assembly further comprises a protrusion disposed at a junction of the circumferential side wall and the top wall, the protrusion extending inward of the lid body, the protrusion having a gap with the press fit.

In some embodiments, a distance from the first end to the second end of the crimp is less than a distance L between the second connecting portion to the first connecting portion.

In some embodiments, a portion between the first end and the second end of the press piece has an arc protruding away from the central axis of the cap.

In some embodiments, the thickness H of the truss is less than the height H of the protrusion.

In some embodiments, the first end of the truss has a thickness greater than a thickness of the second end of the truss.

In some embodiments, the press part is ring-shaped, and a central axis of the press part coincides with a central axis of the cover body.

In some embodiments, the compression element is made of an elastic material.

In one aspect of the present invention, there is provided a packing container comprising a bottle body and a cap assembly as in any one of the above embodiments, the cap assembly being connected to the bottle body.

In some embodiments, the bottle body is configured to press against the pressing part, so that the pressing part is attached to a part between the second connecting part and the first connecting part.

In some embodiments, the bottle body includes a mouth and a sealing membrane covering the mouth, the press being in abutment with the sealing membrane.

In some embodiments, the cap assembly includes a protrusion disposed at a junction of the circumferential side wall and the top wall, the protrusion extends toward an interior of the cap body, a gap is formed between the protrusion and the pressing piece, the bottle body includes a bottle opening, and the circumferential side wall of the bottle opening is received in the gap.

In some embodiments, the bottle body further comprises a sealing membrane covering the mouth, and a circumferential edge of the sealing membrane is perpendicular to the outside of the mouth below, and the convex portion is configured to press against the circumferential edge of the sealing membrane so that the circumferential edge of the sealing membrane abuts against the outside of the mouth.

Based on the technical scheme, the utility model discloses following beneficial effect has at least:

in some embodiments, the pressing piece is arranged in the cover body, and in the process of connecting the cover assembly and the bottle body, the pressing piece is bent and deformed under the action force of the bottle opening of the bottle body and the sealing film of the bottle opening, and finally the pressing piece is attached to the position between the second connecting part and the first connecting part, so that the sealing area between the cover body and the bottle opening is increased, and the sealing effect is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a cap assembly provided according to some embodiments of the present invention;

fig. 2 is a schematic cross-sectional view of a cap assembly provided in accordance with some embodiments of the present invention;

fig. 3 is an enlarged schematic view of a partial structure a of fig. 2.

The reference numbers in the drawings illustrate the following:

1-a cover body; 11-a first connection; 12-a second connection; 13-a circumferential side wall; 14-a top wall; 2-a suction nozzle; 3-pressing the parts; 4-a convex part; 5-gap.

It should be understood that the dimensions of the various parts shown in the figures are not drawn to scale. Further, the same or similar reference numerals denote the same or similar components.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the present invention, when it is described that a specific device is located between a first device and a second device, an intervening device may or may not be present between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, that particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In the disclosed embodiment, the "top" of the bottle body refers to the end of the bottle body disposed on the cap assembly, and the "bottom" refers to the end of the bottle body away from the cap assembly. The "top" in the cap assembly is oriented in the same direction as the "top" in the bottle and the "bottom" in the cap assembly is oriented in the same direction as the "bottom" in the bottle. "Upper" means the top of the bottle when it is placed normally, the cap assembly is attached to the mouth of the bottle and the cap assembly is located at the top of the bottle.

Figure 1 is a schematic structural view of some embodiments of a cap assembly according to the present invention. Referring to fig. 1, in some embodiments, the cap assembly includes a cap body 1, a mouthpiece 2, and a pressure closure 3 (refer to fig. 2).

Referring to fig. 2, the cover 1 includes a circumferential side wall 13 and a top wall 14 provided on a top of the circumferential side wall 13, the top wall 14 being provided with a first connecting portion 11 and a second connecting portion 12. Further, a through hole is provided in the middle of the top wall 14.

The suction nozzle 2 is connected to the first connection portion 11, and the suction nozzle 2 extends upward outside the cover 1. The suction nozzle 2 is constructed as a hollow structure, the suction nozzle 2 communicating with a through hole in the top wall 14.

The pressing piece 3 is arranged inside the cover body 1, the first end of the pressing piece 3 is connected with the second connecting part 12, and the second end of the pressing piece 3 extends towards the central axis of the cover body 1; the second connecting portion 12 is located between the first connecting portion 11 and the circumferential side wall 13, and the press-fit member 3 is configured to be deformed by a force to fit with a portion between the second connecting portion 12 and the first connecting portion 11. Further, the parts from the first end to the second end of the pressing piece 3 are all attached to the inner side surface of the top wall 14.

The lid subassembly is configured to be connected with the bottle, and at the in-process of the lid 1 of bottle screw in lid subassembly, the bottleneck of bottle and the seal membrane and the 3 contacts of pressfitting piece of bottleneck, and the 3 atress buckling deformation of pressfitting piece, until the pressfitting piece 3 and the position laminating between second connecting portion 12 to the first connecting portion 11, increased the sealed area of lid 1 and bottleneck, improved sealed effect, two kinds of filling bottles on the current market of at least can the adaptation.

In some embodiments, the cap assembly comprises a protrusion 4, the protrusion 4 is disposed at a junction of the circumferential side wall 13 and the top wall 14, the protrusion 4 extends toward the inside of the cap body 1, and a gap 5 is formed between the protrusion 4 and the pressing member 3.

In the lid 1 of bottle screw in lid subassembly back, the outside below of the vertical bottleneck in circumference edge of seal membrane, convex part 4 are used for supporting the circumference edge of pressing the seal membrane to make the circumference edge of seal membrane and the outside butt of bottleneck, be favorable to improving the filling quality of filling bottle.

As shown in fig. 3, in some embodiments, the distance from the first end to the second end of the pressing member 3 is smaller than the distance L from the second connecting portion 12 to the first connecting portion 11.

The length of pressfitting piece 3 is difficult for the overlength, avoids pressfitting piece 3 pressurized laminating behind second connecting portion 12 to first connecting portion 11, surpasss first connecting portion 11, and the position that surpasses first connecting portion 11 of pressfitting piece 3 can block the fluid, reduces the circulation of suction nozzle 2.

In some embodiments, a portion between the first end and the second end of the pressing member 3 has a curvature protruding away from the central axis of the cover body 1.

The longitudinal section of the pressing piece 3 is of a crab claw type structure, and the pressing piece 3 can extend to the central axis of the bottle mouth when being extruded by the reaction force of the bottle mouth, so that the sealing area between the bottle mouth and the cover body 1 is increased.

As shown in fig. 3, in some embodiments, the thickness H of the compression fitting 3 is less than the height H of the protrusions 4. The height H of the projection 4 refers to the dimension of the projection 4 in the top-to-bottom direction of the lid body 1.

After the bottle body is inserted into the cover body 1 of the cover assembly and connected with the cover body 1, the thickness H of the pressing piece 3 is smaller than the height H of the convex part 4, so that the overlarge pressure between the pressing piece 3 and the sealing film can be avoided.

In some embodiments, the thickness of the first end of the press 3 is greater than the thickness of the second end of the press 3.

The position that the first end mainly used butt bottleneck and the seal membrane contact of pressfitting piece 3, the second end mainly used butt seal membrane of pressfitting piece 3, the thickness of the second end of pressfitting piece 3 is less than the thickness of the first end of pressfitting piece 3, avoids the pressure between pressfitting piece 3 and the seal membrane too big.

In some embodiments, the pressing member 3 is annular, and a central axis of the pressing member 3 coincides with a central axis of the cover body 1. The pressing piece 3 is provided with a circle along the circumferential direction of the bottle mouth, so that the sealing effect can be improved.

In some embodiments, the protrusion 4 is annular, and the central axis of the protrusion 4 coincides with the central axis of the cap body 1. The convex part 4 is provided with a circle around the outside of the bottle mouth, so that the filling quality can be improved.

In some embodiments, the compression element 3 is made of an elastic material.

The pressing piece 3 is made of elastic materials, so that the pressing piece 3 can be bent and deformed under the acting force of the bottle body, and the elastic pressing piece 3 can enhance the sealing effect.

Some embodiments also provide a packaging container including a bottle body and the cap assembly of any of the above embodiments, the cap assembly being coupled to the bottle body.

After the cover assembly is connected with the bottle body, the pressing piece 3 arranged inside the cover body 1 is bent and deformed by the acting force of the bottle opening of the bottle body and the sealing film of the bottle opening, the pressing piece 3 is attached to the position between the second connecting part 12 and the first connecting part 11, the sealing area of the cover body 1 and the bottle opening is increased, and the sealing effect is good.

In some embodiments, the bottle body is configured to press the pressing member 3, so that the pressing member 3 is attached to the portion between the second connecting portion 12 and the first connecting portion 11.

The bottle includes the seal membrane of bottleneck and sealed bottleneck, and the seal membrane of bottleneck and bottleneck supports and presses pressfitting piece 3 to make pressfitting piece 3 laminate with the position between second connecting portion 12 to the first connecting portion 11, increase the sealed area of lid 1 and bottleneck, improve sealed effect.

In some embodiments, the bottle body comprises a bottle opening and a sealing film covering the bottle opening, the pressing piece 3 is abutted to the sealing film, the sealing area of the cover body 1 and the bottle opening is increased, and the sealing effect is improved.

Optionally, the sealing film comprises a plastic film.

In some embodiments, the cap assembly includes a protrusion 4, the protrusion 4 is disposed at a junction of the circumferential side wall 13 and the top wall 14, the protrusion 4 extends toward the inside of the cap body 1, a gap 5 is formed between the protrusion 4 and the pressing member 3, the bottle body includes a bottle mouth, and the circumferential side wall of the bottle mouth is received in the gap 5. The gap 5 can form a sealing area of the bottle mouth, and the sealing effect is improved.

In some embodiments, the bottle body further comprises a sealing membrane covering the mouth and having a circumferential edge that is perpendicular below the outside of the mouth, the projection 4 being configured to press against the circumferential edge of the sealing membrane to bring the circumferential edge of the sealing membrane into abutment with the outside of the mouth.

In the body of the cover 1 of the bottle body inserting cover assembly, after being connected with the body of the cover 1, the outside below of the vertical bottleneck of the circumferential edge of the sealing film, the convex part 4 abuts against the circumferential edge of the sealing film, so that the circumferential edge of the sealing film abuts against the outside of the bottleneck, and the filling quality of the filling bottle is improved.

Optionally, the packaging container comprises a filling bottle or a beverage bottle.

Some specific embodiments of the lid assembly are described below in conjunction with figures 1 through 3.

Referring to fig. 1 and 2, the cover assembly includes a cover body 1, and a first connection portion 11 is disposed on an outer side surface of a top wall 14 of the cover body 1, the first connection portion 11 is connected with a suction nozzle 2, and the suction nozzle 2 is coaxial with the cover body 1 and protrudes upward. The medial surface of roof 14 of lid 1 is equipped with second connecting portion 12, and second connecting portion 12 is located between first connecting portion 11 and circumference lateral wall 13, and the first end of pressfitting piece 3 is connected in second connecting portion 12, and the second end of pressfitting piece 3 extends to the axis direction of lid 1.

When the bottle is inserted into the cap body 1 of the cap assembly and connected to the cap body 1, the bottle exerts a pressing force on the pressing member 3, so that the pressing member 3 is pressed against the inner side surface of the top wall 14 and is attached to the region between the first connecting portion 11 and the second connecting portion 12.

A convex part 4 is further arranged in the cover body 1, the convex part 4 is arranged at the joint of the circumferential side wall 13 and the top wall 14, and a gap 5 formed between the convex part 4 and the pressing piece 3 is matched to form a bottle mouth sealing area.

In some embodiments, the connection point of the suction nozzle 2 and the first connection part 11 is the root of the suction nozzle 2. The position that is close to the root of suction nozzle 2 at the medial surface of the roof 14 of lid 1 is equipped with inside extension pressfitting spare 3, make after the filling and with the beverage bottle behind the plastic film plastic envelope of bottleneck in the in-process of screw in lid 1, pressfitting spare 3 contacts with the membrane plastic envelope of bottleneck and plastic envelope, pressfitting spare 3 atress is buckled, laminate 3 to the root direction laminating of suction nozzle 2 until, the sealed area of lid 1 and bottleneck has been increased, it is sealed effectual, at least, can adapt to two kinds of filling bottles on the current market.

In some embodiments, a convex portion 4 is provided at a connection portion of the top wall 14 and the circumferential side wall 13 of the cap body 1, so that a blank margin left by the plastic film during plastic sealing is pressed down and attached to an outer side of the bottle mouth by the convex portion 4, which is beneficial to improving the filling quality of the beverage bottle.

In some embodiments, the longitudinal section of the press 3 is of a crab claw type construction. Through pressfitting piece 3 of downward inside extension for pressfitting piece 3 can extend to the middle part of bottleneck when receiving bottleneck reaction force extrusion, has increased the sealed area between bottleneck and the lid 1.

In some embodiments, the length of the longitudinal section of the press 3 is smaller than the distance between the root of the press 3 to the root of the suction nozzle 2. The pressing part 3 should not be too long to avoid exceeding the root of the suction nozzle 2 after being pressed and attached, and reduce the circulation of the suction nozzle 2.

In some embodiments, the thickness of the longitudinal section of the pressing member 3 is smaller than the height of the protrusion 4, so that an excessive pressure between the pressing member 3 and the plastic film can be avoided.

In some embodiments, the longitudinal section of the convex portion 4 is a step structure with rounded step surfaces, and the number of steps of the step structure is one. The round-angle stepped structure is beneficial to guiding the blank margin of the plastic film to be attached to the bottle mouth.

Based on the above description of various embodiments of the invention, the technical features of one embodiment may be combined with one or more other embodiments advantageously without explicit negatives or conflicts.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope or spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A lid assembly, comprising:

the cover body (1) comprises a circumferential side wall (13) and a top wall (14) arranged at the top of the circumferential side wall (13), wherein the top wall (14) is provided with a first connecting part (11) and a second connecting part (12);

a suction nozzle (2) connected to the first connection portion (11); and

the pressing piece (3) is arranged inside the cover body (1), the first end of the pressing piece (3) is connected with the second connecting part (12), and the second end of the pressing piece (3) extends towards the central axis of the cover body (1); the second connecting portion (12) is located between the first connecting portion (11) and the circumferential side wall (13), and the pressing piece (3) is configured to be deformed under force to fit with a portion between the second connecting portion (12) and the first connecting portion (11).

2. The lid assembly of claim 1, further comprising a protrusion (4), wherein the protrusion (4) is disposed at a junction of the circumferential side wall (13) and the top wall (14), wherein the protrusion (4) extends inward of the lid body (1), and wherein a gap (5) is provided between the protrusion (4) and the press-fit member (3).

3. A lid assembly according to claim 1 or 2, wherein the distance from the first end to the second end of the press element (3) is smaller than the distance L between the second connecting portion (12) and the first connecting portion (11).

4. A lid assembly according to claim 1 or 2, wherein the region between the first and second ends of the press element (3) has a curvature which projects away from the central axis of the lid body (1).

5. A lid assembly according to claim 2, wherein the thickness H of the press element (3) is smaller than the height H of the protrusion (4).

6. A lid assembly according to claim 1 or 2, wherein the thickness of the first end of the press (3) is greater than the thickness of the second end of the press (3).

7. The lid assembly according to claim 1 or 2, characterized in that the press-on element (3) is ring-shaped, the central axis of the press-on element (3) coinciding with the central axis of the lid body (1).

8. A lid assembly according to claim 1 or 2, wherein the press element (3) is made of an elastic material.

9. A packaging container comprising a bottle body and a cap assembly according to any one of claims 1 to 8, the cap assembly being connected to the bottle body.

10. A packaging container according to claim 9, wherein said bottle body is arranged to press against said closing element (3) to bring said closing element (3) into abutment with a portion between said second connection portion (12) and said first connection portion (11).

11. The packaging container according to claim 10, wherein the bottle body comprises a mouth and a sealing film covering the mouth, the press (3) abutting against the sealing film.

12. The packaging container as claimed in any of claims 9 to 11, characterized in that the cap assembly comprises a projection (4), the projection (4) being provided at the junction of the circumferential side wall (13) and the top wall (14), the projection (4) extending inwardly of the cap body (1), a gap (5) being provided between the projection (4) and the press-fit element (3), the bottle body comprising a mouth, the circumferential side wall of which is received in the gap (5).

13. The packaging container according to claim 12, wherein the bottle body further comprises a sealing membrane covering the mouth and having a circumferential edge perpendicular to the outside of the mouth below the mouth, the projection (4) being configured to press against the circumferential edge of the sealing membrane to abut the circumferential edge of the sealing membrane against the outside of the mouth.