CN218907843U

CN218907843U - Cup

Info

Publication number: CN218907843U
Application number: CN202223125390.4U
Authority: CN
Inventors: 邢永星; 张海龙; 孙云峰; 张海斌
Original assignee: Inner Mongolia Yili Industrial Group Co Ltd
Current assignee: Inner Mongolia Yili Industrial Group Co Ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-25
Anticipated expiration: 2032-11-24

Abstract

The utility model relates to a cup, which comprises a cup body, wherein a cup edge is arranged at the opening at the top of the cup body in a ring manner; the cup edge is provided with a first inclined part at one side close to the cup body, the first inclined part is arranged along the circumferential direction of the cup edge, and the first inclined part is an annular inclined surface which gradually inclines downwards from the direction far away from the cup body to the direction close to the cup body; and/or a second inclined part is arranged on one side of the cup edge, which is far away from the cup body, and the second inclined part is arranged along the circumferential direction of the cup edge, and is an annular inclined surface which gradually inclines downwards from the direction of approaching the cup body to the direction of keeping away from the cup body; when the opening of the cup body is heat-sealed, the material in a molten state on the cup edge enters the first inclined part and/or the second inclined part so as to form a complete annular heat-sealing plane along the circumferential direction of the cup edge. The utility model solves the technical problems of wire drawing and poor heat sealing caused by unbalanced pressure on the edge of the cup during heat sealing.

Description

Cup

Technical Field

The utility model relates to the field of food packaging, in particular to a cup.

Background

With the continuous development of the food packaging industry, more and more cup-packaged products are produced, and most cup-packaged products are sealed by sealing films. The sealing process of the sealing film is generally that firstly, a cup is fixed and limited, a product is placed in the cup, then the sealing film matched with the cup opening is placed at the cup opening, a heat sealing device is arranged on the sealing film, the sealing film is pressed down through the heat sealing device, the cup edge and the sealing film are extruded together, the cup edge and the sealing film are heated through a heat sealing head of the heat sealing device, and the cup edge and the sealing film are fused together at the contact position of the sealing film, so that sealing is realized.

At present, some problems still exist in the heat sealing process, such as uneven heat sealing device or uneven limit structure for placing a cup, uneven pressure distribution can be caused when a sealing film and a cup edge are extruded, and finally molten cup edge materials are extruded at a position with high pressure, the extruded cup edge materials can contact the heat sealing device, and when the heat sealing device finishes heat sealing action and leaves the sealing film, the extruded cup edge materials can be adhered to the heat sealing device, and wire drawing is caused; and at the position with small pressure, sealing between the sealing film and the cup edge cannot be realized. In order to solve the problem of poor sealing leakage in the prior art, a protruding structure can be arranged along the cup edge, but because the protruding structure is additionally arranged on the cup edge, excessive molten material after the protruding structure is melted during sealing can be extruded and the condition of wire drawing is aggravated.

Aiming at the problems of wire drawing and poor heat sealing caused by unbalanced pressure on the edge of the cup during heat sealing in the related art, no effective solution is provided at present.

Accordingly, the present inventors have developed a cup to overcome the shortcomings of the prior art by years of experience and practice in the relevant industry.

Disclosure of Invention

The utility model aims to provide a cup, wherein the top of the cup edge can form a flat annular plane in a heat sealing melting state, so that the stress between a sealing film and the upper annular plane of the cup edge is uniform, a good heat sealing effect is achieved at each position, and the problems of wire drawing of redundant edge materials and poor heat sealing effect can be avoided.

The object of the utility model can be achieved by the following scheme:

the utility model provides a cup, which comprises a cup body, wherein a cup edge is arranged at the opening at the top of the cup body in a ring manner;

a first inclined part is arranged on the cup edge and close to one side of the cup body, the first inclined part is arranged along the circumferential direction of the cup edge, and the first inclined part is an annular inclined surface which gradually inclines downwards from the direction away from the cup body to the direction close to the cup body;

and/or a second inclined part is arranged on one side of the cup edge, which is far away from the cup body, and the second inclined part is arranged along the circumferential direction of the cup edge, and is an annular inclined surface which gradually inclines downwards from the direction of approaching the cup body to the direction of keeping away from the cup body;

when the opening of the cup body is heat-sealed, the material in a molten state on the cup edge enters the first inclined part and/or the second inclined part so as to form a complete annular heat-sealing plane along the circumferential direction of the cup edge.

In a preferred embodiment of the present utility model, a first flat portion is formed on the cup edge and between the first inclined portion and the second inclined portion, the first flat portion is an annular plane extending along the circumferential direction of the cup edge, an annular outer edge of the first inclined portion is connected with an annular inner edge of the first flat portion, an annular inner edge of the first inclined portion is connected with a top inner wall of the cup body, an annular inner edge of the second inclined portion is connected with an annular outer edge of the first flat portion, and an annular outer edge of the second inclined portion extends away from the first flat portion in a diagonally downward direction.

In a preferred embodiment of the present utility model, the height of the first straight portion is greater than the height of the first inclined portion and the height of the second inclined portion.

In a preferred embodiment of the utility model, the first inclined portion, the second inclined portion and the first straight portion cooperate to form the top surface of the brim.

In a preferred embodiment of the present utility model, the cup rim has a second flat portion formed thereon, the second flat portion being an annular flat surface extending along a circumferential direction of the cup rim;

the inner side and the outer side of the second straight part are respectively provided with a third inclined part and a fourth inclined part, the annular outer edge of the third inclined part is connected with the annular inner edge of the second straight part, the annular inner edge of the third inclined part is connected with the top outer wall of the cup body, the annular inner edge of the fourth inclined part is connected with the annular outer edge of the second straight part, and the annular outer edge of the fourth inclined part extends along the direction away from the second straight part in the obliquely lower direction.

In a preferred embodiment of the present utility model, the third inclined portion is disposed along a circumferential direction of the cup edge, and is an annular inclined surface gradually inclined downward from a direction approaching the cup body to a direction separating from the cup body; the fourth inclined part is arranged along the circumferential direction of the cup edge and is an annular inclined surface gradually inclined downwards from the direction close to the cup body to the direction far away from the cup body;

the second straight portion has a height greater than the height of the third inclined portion and the height of the fourth inclined portion.

In a preferred embodiment of the present utility model, the third inclined portion, the fourth inclined portion and the second flat portion cooperate to form a bottom surface of the brim.

In a preferred embodiment of the present utility model, a first annular supporting portion is formed at the annular outer edge of the third inclined portion along the circumferential direction of the cup edge, a second annular supporting portion is formed at the annular outer edge of the fourth inclined portion along the circumferential direction of the cup edge, and when the opening of the cup body is heat-sealed, the first supporting portion and the second supporting portion respectively abut against a supporting member located below the cup edge, so that deformation of the bottom surface of the cup edge due to heat pressing is avoided.

In a preferred embodiment of the present utility model, the cup further includes a sealing film, the sealing film is in contact with the first straight portion, and the sealing film is hot-pressed to press the material in a molten state where the first straight portion is located to the first inclined portion and/or the second inclined portion through the sealing film, so as to heat-seal the sealing film to the heat-seal plane.

In a preferred embodiment of the present utility model, the edge of the sealing film is provided with at least one extension portion, and the extension portion extends to the outside of the rim in a direction away from the opening of the cup body.

From the above, the cup of the utility model has the characteristics and advantages that: the cup edge is arranged at the top opening of the cup body in a ring mode, a first inclined part and a second inclined part are respectively arranged on one side, close to the cup body, of the cup edge and one side, far away from the cup body, when the opening of the cup body is subjected to heat sealing, materials which are heated to a molten state on the cup edge are extruded to enter the first inclined part and/or the second inclined part, so that a complete annular heat sealing plane is formed along the circumferential direction of the cup edge, the situation that when the stress between the sealing film and the cup edge is uniform and the upper annular plane is guaranteed, material wiredrawing, overflowing and the like do not occur, and good heat sealing effect on the cup opening is achieved.

Drawings

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model. Wherein:

fig. 1: is a perspective view of the cup of the utility model.

Fig. 2: is a front cross-sectional view of the cup of the present utility model in an unsealed condition.

Fig. 3: an enlarged view of part of the a position in fig. 2.

Fig. 4: is a front cross-sectional view of the cup in the sealed state.

Fig. 5: an enlarged view of part of the B position in fig. 4.

The reference numerals in the utility model are:

1. a cup body; 101. A cup edge;

1011. a first straight portion; 1012. A first inclined portion;

1013. a second inclined portion; 1014. A second straight portion;

1015. a first support portion; 1016. A second supporting part;

1017. a third inclined portion; 1018. A fourth inclined portion;

2. sealing film; 201. An extension.

Detailed Description

For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model provides a cup, which comprises a cup body 1, wherein the top of the cup body 1 is provided with an opening, a cup edge 101 is annularly arranged at the opening of the top of the cup body 1, a first inclined part 1012 is arranged on one side of the cup edge 101, which is close to the cup body 1, the first inclined part 1012 is arranged along the circumferential direction of the cup edge 101, and the first inclined part 1012 is an annular inclined surface which gradually inclines downwards from the direction away from the cup body 1 to the direction close to the cup body 1; and/or the cup edge 101 is provided with a second inclined part 1013 at one side far away from the cup body 1, the second inclined part 1013 is arranged along the circumferential direction of the cup edge 101, and the second inclined part 1013 is an annular inclined surface gradually inclined downwards from the direction close to the cup body 1 to the direction far away from the cup body 1; when the opening of the cup body 1 is heat-sealed, the material in a molten state on the cup rim 101 is pressed into the first inclined portion 1012 and/or the second inclined portion 1013 under the pressing action of the heat-sealing apparatus to form a complete annular heat-sealing plane along the circumferential direction of the cup rim 101.

According to the utility model, the cup edge 101 is annularly arranged at the top opening of the cup body 1, the first inclined part 1012 and the second inclined part 1013 are respectively arranged on the cup edge 101 and on one side close to the cup body 1 and one side far away from the cup body 1, when the sealing device is used for heat sealing the sealing film 2 at the opening of the cup body 1, the sealing device heats the cup edge 101, the sealing device heats part of materials on the cup edge 101 to be in a molten state, and the molten state of materials are extruded into the first inclined part 1012 or the second inclined part 1013 through pressing the sealing film 2 (if the first inclined part 1012 or the second inclined part 1013 are arranged at the same time, the molten state of materials can be extruded into the first inclined part 1012 and the second inclined part 1013 at the same time), so that a complete annular heat sealing plane is formed along the circumferential direction of the cup edge 101, and the conditions of wire drawing, overflowing and the like of the materials are avoided when the stress between the sealing film 2 and the annular plane on the cup edge 101 is ensured, and a good heat sealing effect on the cup opening is achieved.

In an alternative embodiment of the present utility model, as shown in fig. 3 and 5, a first flat portion 1011 (i.e., a top surface of the cup rim 101) is formed on the cup rim 101 between the first inclined portion 1012 and the second inclined portion 1013, the first flat portion 1011 is an annular plane extending along a circumferential direction of the cup rim 101, an annular outer edge of the first inclined portion 1012 is connected to an annular inner edge of the first flat portion 1011, an annular inner edge of the first inclined portion 1012 is connected to a top inner wall of the cup body 1, an annular inner edge of the second inclined portion 1013 is connected to an annular outer edge of the first flat portion 1011, and an annular outer edge of the second inclined portion 1013 extends in a direction away from the first flat portion 1011 in a diagonally downward direction. Thus, when the sealing film 2 is heat-sealed, a gap space is reserved between the bottom surface of the sealing film 2 and the first inclined portion 1012 and between the bottom surface of the sealing film 2 and the second inclined portion 1013, and the gap space is an area for accommodating the extruded and melted material, so that the conditions of wire drawing, overflow and the like of the melted material cannot occur.

Further, as shown in fig. 3 and 5, the height of the first straight portion 1011 is greater than the height of the first inclined portion 1012 and the height of the second inclined portion 1013.

Further, the included angle between the first inclined portion 1012 and the horizontal direction is smaller than 45 °; the included angle between the second inclined part 1013 and the horizontal direction is smaller than 45 degrees, so that the overall stability of the cup edge 101 is ensured, and the occurrence of the condition of compressive deformation is avoided.

Further, as shown in fig. 3 and 5, the first inclined portion 1012, the second inclined portion 1013, and the first straight portion 1011 cooperate to form the top surface of the brim 101.

In an alternative embodiment of the present utility model, as shown in fig. 3 and 5, the cup rim 101 is formed with a second flat portion 1014, and the second flat portion 1014 is an annular flat surface extending along the circumferential direction of the cup rim 101; the inner side of the second straight portion 1014 is formed with a third inclined portion 1017, the outer side of the second straight portion 1014 is formed with a fourth inclined portion 1018, the annular outer edge of the third inclined portion 1017 is connected with the annular inner edge of the second straight portion 1014, the annular inner edge of the third inclined portion 1017 is connected with the top outer wall of the cup body 1, the annular inner edge of the fourth inclined portion 1018 is connected with the annular outer edge of the second straight portion 1014, and the annular outer edge of the fourth inclined portion 1018 extends in a direction away from the second straight portion 1014 in a diagonally downward direction.

Further, as shown in fig. 3 and 5, the second flat portion 1014 is disposed at the bottom of the cup rim 101, and the second flat portion 1014 is opposite to the first flat portion 1011 in a vertical position; the third inclined part 1017 is arranged along the circumferential direction of the cup edge 101, the third inclined part 1017 is arranged at the bottom of the cup edge 101, the third inclined part 1017 is opposite to the first inclined part 1012 in the vertical direction, and the third inclined part 1017 is an annular inclined surface which gradually inclines downwards from the direction close to the cup body 1 to the direction far away from the cup body 1; the fourth inclined portion 1018 is provided along the circumferential direction of the cup edge 101, the fourth inclined portion 1018 is provided at the bottom of the cup edge 101, and the fourth inclined portion 1018 is vertically opposite to the second inclined portion 1013, and the fourth inclined portion 1018 is an annular inclined surface gradually inclined downward from the direction approaching the cup body 1 to the direction departing from the cup body 1.

Further, as shown in fig. 3 and 5, the height of the second straight portion 1014 is greater than the height of the third sloped portion 1017 and the height of the fourth sloped portion 1018.

Further, the included angle between the third inclined portion 1017 and the horizontal direction is smaller than 45 °; the fourth inclined portion 1018 makes an angle of less than 45 ° with respect to the horizontal.

Further, as shown in fig. 3 and 5, the third sloped portion 1017, the fourth sloped portion 1018, and the second flat portion 1014 cooperate to form the bottom surface of the brim 101.

In the utility model, the cross section of the cup edge 101 is in a trapezoid structure through the matching of the first straight part 1011, the first inclined part 1012, the second inclined part 1013, the second straight part 1014, the third inclined part 1017 and the fourth inclined part 1018, when the cup body 1 is sealed, the bottom of the cup edge 101 is placed on a supporting piece to play a role in supporting the cup edge 101, the sealing film 2 is placed on the top of the cup edge 101, the bottom surface of the sealing film 2 is contacted with the first straight part 1011, the heat sealing equipment can be pressed down in the heat sealing process, and under the action of pressure, the first inclined part 1012, the second inclined part 1013, the third inclined part 1017 and the fourth inclined part 1018 can extend in the direction away from the cup body 1, so that the included angles among the first inclined part 1012, the second inclined part 1013, the third inclined part 1017 and the fourth inclined part 1018 are reduced with the horizontal plane, and the included angle is smaller. Through this kind of trapezium structure of cup edge 101, can adapt to pressure size change, even the pressure increases the condition that the material that also can not take place the molten state is extruded, and the sealing membrane 2 can also be guaranteed with the rim of a cup to the pressure reduction. If the heat sealing temperature of the heat sealing device is higher, the pressure is higher or the extrusion time is long, if the melted material on the cup edge 101 is extruded, the melted material will enter the positions of the first inclined portion 1012 and the second inclined portion 1013 (still below the sealing film 2), the melted material will not contact with the sealing device, the wire drawing problem will not occur, and meanwhile, due to the arrangement of the first inclined portion 1012, the sealing film 2 and the cup edge 101 have unbonded positions, so that the sealing film 2 is convenient to tear.

In an alternative embodiment of the present utility model, as shown in fig. 3 and 5, a first annular supporting portion 1015 is formed at the annular outer edge of the third inclined portion 1017 along the circumferential direction of the cup rim 101, and a second annular supporting portion 1016 is formed at the annular outer edge of the fourth inclined portion 1018 along the circumferential direction of the cup rim 101, and when the opening of the cup body 1 is heat-sealed, the first supporting portion 1015 and the second supporting portion 1016 are respectively matched and abutted with a supporting member located below the cup rim 101, so as to support and shape the cup rim 101, and avoid deformation of the bottom surface of the cup rim 101 caused by heat-sealing. The first supporting portion 1015 and the second supporting portion 1016 may be annular protrusions, or may be grooves or other structures, so that the first supporting portion 1015 and the second supporting portion 1016 may be matched and abutted with the supporting portion of the supporting member, and the stable supporting and shaping effects may be achieved.

In an alternative embodiment of the present utility model, as shown in fig. 1, 4 and 5, the cup further includes a sealing film 2, and when the sealing film 2 is heat-sealed, the sealing film 2 is contacted with the first flat portion 1011, and the sealing film 2 is heat-sealed by using a heat-sealing apparatus, and the material in a molten state where the first flat portion 1011 is located is pressed to the first inclined portion 1012 and/or the second inclined portion 1013 by the sealing film 2, so that the sealing film 2 is heat-sealed to the heat-sealing plane.

Further, as shown in fig. 1, 4 and 5, at least one extending portion 201 is provided on the edge of the sealing film 2, and the extending portion 201 extends to the outside of the cup rim 101 in the opening direction away from the cup body 1. In a state where the sealing film 2 is heat-sealed with the cup rim 101, the extension 201 is not heat-sealed with the cup rim 101, so that the sealing film 2 can be torn by the extension 201, and the opening of the sealing film 2 is facilitated.

The cup has the characteristics and advantages that:

1. this cup is provided with first tilting portion 1012 and/or second tilting portion 1013 through the top of cup edge 101, and the material extrusion of molten state gets into first tilting portion 1012 or second tilting portion 1013 to form complete annular heat-seal plane along the circumference of cup edge 101, guarantee to seal the even emergence of the condition such as material wire drawing, overflow between the annular plane on membrane 2 and the cup edge 101 while, reach good heat-seal effect to the rim of a cup.

2. The cup has the advantages that the first inclined part 1012, the second inclined part 1013 and the first straight part 1011 are matched to form the top surface of the cup edge 101, the third inclined part 1017, the fourth inclined part 1018 and the second straight part 1014 are matched to form the bottom surface of the cup edge 101, so that the cross section of the cup edge 101 is in a trapezoid structure, the pressure change can be adapted, even if the pressure is increased, the situation that the materials in a molten state are extruded out can not happen, and the sealing film 2 and the cup mouth can be sealed due to the pressure reduction; if the heat sealing temperature of the heat sealing device is higher, the pressure is higher or the extrusion time is long, if the molten material on the cup edge 101 is extruded, the molten material still cannot contact with the sealing equipment at the positions of the first inclined part 1012 and the second inclined part 1013, the wire drawing problem cannot occur, and meanwhile, due to the arrangement of the first inclined part 1012, the sealing film 2 and the cup edge 101 can be in an unbonded position, so that the sealing film 2 can be torn conveniently.

3. The cup is provided with the first supporting part 1015 and the second supporting part 1016 at the bottom of the cup edge 101, so that the cup edge 101 can be supported and shaped, and the deformation of the bottom surface of the cup edge 101 caused by hot pressing is avoided.

The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.

Claims

1. The cup is characterized by comprising a cup body, wherein a cup edge is arranged at the opening at the top of the cup body in a surrounding manner;

2. The cup as set forth in claim 1 wherein a first flat portion is formed on the cup rim between the first inclined portion and the second inclined portion, the first flat portion being an annular plane extending in a circumferential direction of the cup rim, an annular outer edge of the first inclined portion being connected to an annular inner edge of the first flat portion, an annular inner edge of the first inclined portion being connected to a top inner wall of the cup body, an annular inner edge of the second inclined portion being connected to an annular outer edge of the first flat portion, the annular outer edge of the second inclined portion extending in a diagonally downward direction away from the first flat portion.

3. The cup of claim 2, wherein the height of the first straight portion is greater than the height of the first angled portion and the height of the second angled portion.

4. A cup as claimed in claim 2 or claim 3 wherein the first inclined portion, the second inclined portion and the first flat portion cooperate to form the top surface of the brim.

5. The cup as set forth in claim 4 wherein said rim has a second flat portion formed thereon, said second flat portion being an annular flat surface extending in a circumferential direction of said rim;

6. The cup according to claim 5, wherein the third inclined portion is provided along a circumferential direction of the cup rim, and is an annular inclined surface inclined gradually downward from a direction approaching the cup body to a direction away from the cup body; the fourth inclined part is arranged along the circumferential direction of the cup edge and is an annular inclined surface gradually inclined downwards from the direction close to the cup body to the direction far away from the cup body;

7. The cup as set forth in claim 5 wherein said third inclined portion, said fourth inclined portion and said second flat portion cooperate to form a bottom surface of said brim.

8. The cup as set forth in claim 7, wherein a first support portion having a ring shape is formed at an annular outer edge of the third inclined portion along a circumferential direction of the cup rim, and a second support portion having a ring shape is formed at an annular outer edge of the fourth inclined portion along a circumferential direction of the cup rim, the first support portion and the second support portion being respectively abutted against a support member located under the cup rim when the opening of the cup body is heat-sealed, so as to avoid deformation of a bottom surface of the cup rim due to heat-pressing.

9. The cup as set forth in claim 2, further comprising a sealing film in contact with the first flat portion, the sealing film being hot-pressed to press the material in a molten state where the first flat portion is located to the first inclined portion and/or the second inclined portion through the sealing film to heat-seal the sealing film to the heat-seal plane.

10. The cup as set forth in claim 9, wherein the edge of the sealing film is provided with at least one extension portion extending to the outside of the rim in a direction away from the opening of the cup body.