CN216425372U

CN216425372U - Cup cover and cup assembly

Info

Publication number: CN216425372U
Application number: CN202122769929.9U
Authority: CN
Inventors: 王云波
Original assignee: Stora Enso Oyj
Current assignee: Stora Enso Oyj
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-05-03
Anticipated expiration: 2031-11-12
Also published as: WO2023084374A1

Abstract

The present disclosure relates to a cup cover and a cup assembly. The cup cover is used for being matched with the cup body to seal an opening of the cup body, and comprises a cover body (11) and an interference fit portion (12). The cover body (11) is configured to cover an opening of the cup body, the interference fit portion (12) extends from the cover body at an outer periphery of the cover body, the interference fit portion (12) includes a first fitting wall (121) connected with the cover body, a curved connecting wall (122) extending from the first fitting wall, and a second fitting wall (123) extending from the connecting wall and opposite to the first fitting wall, wherein an annular receiving groove (124) for receiving an opening rim of the cup body is formed between the first fitting wall (121) and the second fitting wall (123), and wherein the first fitting wall (121) and the second fitting wall (123) are configured to clamp both sides of the opening rim of the cup body in an interference fit manner.

Description

Cup cover and cup assembly

Technical Field

The present disclosure relates to a cup cover and a cup assembly.

Background

At present, in the aspect of beverage packaging and manufacturing, a finished cup body, such as a finished paper cup, is usually purchased outside in the paper-plastic industry, and then the cup cover is automatically produced to be matched with the purchased finished paper cup. However, in the current industry, most cup lids, especially paper-plastic cup lids, cannot achieve the sealing effect meeting the requirements, and after the cup lids are matched with finished paper cups, drinks can leak out. This is especially true when the beverage is a hot beverage.

It is desirable to improve the seal between the lid and the cup, particularly between the paper-plastic lid and the paper cup, by improving the structure of the lid. At the same time, it is desirable to improve the sealing between the lid and the cup at low cost.

SUMMERY OF THE UTILITY MODEL

In response to the above-mentioned problems and needs, the present disclosure is directed to a novel cup lid and cup assembly having a cup lid that provides a good sealing effect.

Some embodiments of the present disclosure relate to a lid for cooperating with a cup to seal an opening of the cup, the lid including a lid configured to cover the opening of the cup and an interference fit portion extending from the lid at a periphery of the lid, the interference fit portion including a first mating wall connected with the lid, a curved connecting wall extending from the first mating wall, and a second mating wall extending from the connecting wall and opposite the first mating wall, wherein an annular receiving groove for receiving an opening rim of the cup is formed between the first mating wall and the second mating wall, and wherein the first mating wall and the second mating wall are configured to grip both sides of the opening rim of the cup in an interference fit.

According to a preferable mode, the cover body includes a flat portion at an outer periphery thereof, and the first fitting wall of the interference fit portion is connected to the flat portion and is at an angle of 70 degrees to 90 degrees with respect to the flat portion.

According to a preferred scheme, the first matching wall is at an angle which is larger than 0 degree and smaller than or equal to 20 degrees relative to the longitudinal axis of the cup cover.

According to a preferred scheme, the second matching wall is at an angle which is larger than 0 degree and smaller than or equal to 20 degrees relative to the longitudinal axis of the cup cover.

According to a preferred version, the cover comprises a raised portion higher than the flat portion.

According to a preferred aspect, the lid further includes a drink opening on the bulge, and the cup lid further includes a drink opening plug removably mounted to the drink opening.

According to a preferable scheme, the cup cover further comprises an extending portion extending from the second matching wall, a bulge is arranged on the inner wall of the extending portion, and the bulge is located between the second matching wall and the tail end of the extending portion.

According to a preferred scheme, the cup cover is formed by molding pulp.

Other embodiments of the present disclosure relate to a cup assembly including a cup and a lid as in any of the above, wherein when the cup is mated together with the lid, a lid of the lid covers an opening of the cup, a brim at the opening of the cup is received in a receiving groove of the lid, and an interference fit portion of the lid grips the brim at the opening of the cup in an interference fit manner.

According to the preferred scheme, the edge of the opening of the cup body is a curled edge, and the interference fit part of the cup cover clamps the curled edge in an interference fit mode.

According to a preferable scheme, when the cup body is matched with the cup cover, the first matching wall of the interference fit part causes the deformation of 0.1mm to 0.4mm on the inner side of the turned edge, and the second matching wall causes the deformation of 0.1mm to 0.4mm on the outer side of the turned edge.

The cup cover and the cup assembly provided by the disclosure have the advantages that the cup body and the cup cover are combined together in an interference fit mode, and the connection part of the cup cover and the cup cover has good sealing performance.

The best modes for carrying out the present disclosure will be described in more detail below with reference to the accompanying drawings so that the features and advantages of the present disclosure can be readily understood.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments of the present disclosure will be briefly described below. The drawings are intended to depict only some embodiments of the disclosure, and not all embodiments of the disclosure are limited thereto.

FIG. 1 illustrates a cup assembly as set forth in the present disclosure, and separately shows a cup lid as set forth in the present disclosure and a drink spout plug removably secured to the cup lid;

FIG. 2 illustrates a longitudinal cross-section of a lid in accordance with the present disclosure;

FIG. 3 is a longitudinal sectional view of the lid and cup shown in a mating relationship in accordance with the present disclosure;

fig. 4 shows an enlarged partial view of the encircled portion of the lid of fig. 3.

List of reference numerals

1 cup cover

11 cover body

111 flat part

112 raised portion

113 drinking hole

114 tap plug

12 interference fit part

121 first mating wall

122 connecting wall

123 second mating wall

124 accommodating recess

125 extension part

126 end of

1251 projection

2 cup body

21 crimping

211 inner side

212 outer side

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the embodiments of the present disclosure will be described in detail and fully with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Possible embodiments within the scope of the disclosure may have fewer components, have other components not shown in the figures, different components, differently arranged components or differently connected components, etc. than the embodiments shown in the figures. Further, two or more of the components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as a plurality of separate components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "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.

The present disclosure relates to a cup cover and a cup assembly having the same. The utility model aims to improve the sealing between a cup cover and a cup body by changing the structure of a cup assembly, in particular to improve the sealing effect by changing the structure of the cup cover.

Fig. 1 of the present disclosure shows a cup assembly proposed by the present disclosure and separately shows a cup lid proposed by the present disclosure and a drink spout plug detachably fixed to the cup lid, fig. 2 shows a longitudinal section of the cup lid proposed by the present disclosure, fig. 3 shows a fitting relationship of the cup lid proposed by the present disclosure and a cup body in a longitudinal section view, and fig. 4 shows a partial enlarged view of a circled portion of the cup lid shown in fig. 3 to further show structures such as an interference fit portion of the cup lid.

The structure and preferred features of the lid proposed by the present disclosure will be described first with reference to the accompanying drawings.

The lid is adapted to cooperate with the cup to close the opening of the cup, and to this end, generally, the lid includes a lid body 11 covering the opening of the cup, and a cup engagement structure for effecting a fitting connection with the cup.

The specific structure of the cover 11 is not limited, and in the preferred embodiment of the present disclosure as shown in the drawings, the cover 11 is generally circular.

The cup body matching structure is used for being matched and connected with the opening edge of the cup body, so that the cup cover 1 and the cup body 2 are matched together and can be separated only by a certain force. In order to improve the sealing performance between the cup lid 1 and the cup body 2, the cup body matching structure of the lid body is improved significantly, and the cup body matching structure is set to be an interference fit structure, which is referred to as an interference fit part 12 in the text.

Referring to the drawings, the interference fit portion 12 extends from the cover 11 at the outer periphery of the cover 11. Preferably, the interference fit portion 12 is of an integral structure with the cover 11.

The interference-fit portion 12 includes a first fitting wall 121 connected to the cover 11, a curved connecting wall 122 extending from the first fitting wall, and a second fitting wall 123 extending from the connecting wall and opposite to the first fitting wall. The first mating wall 121, the connecting wall 122 and the second mating wall 123 are of an integral structure and smoothly transition with each other. The first and

second mating walls

121 and 123 are preferably slightly curved wall structures and may have straight portions.

An annular receiving groove 124 for receiving an opening rim of the cup, in particular the bead 21 of the cup, is formed between the first and

second mating walls

121, 123, in which annular receiving groove 124 the opening rim of the cup, in particular the bead 21 of the cup, can engage in an interference fit. And wherein the first and

second mating walls

121 and 123 are configured to grip both sides of the opening rim of the cup in an interference fit manner.

Through the structure, the cup body and the cup cover are combined together in an interference fit mode, so that the connecting part of the cup body and the cup cover has good sealing performance. Moreover, the first matching wall and the second matching wall which are opposite to each other are arranged in the cup cover, and the first matching wall and the second matching wall can respectively clamp the inner side and the outer side of the edge of the opening from two directions, so that the sealing performance of the cup cover and the cup body is further improved.

Referring preferably to fig. 4, a cross-sectional view of the lid and cup when mated together is shown to illustrate the complete structure of the cup but showing a bead 21 that interfits with the interference fit 12. It can be seen that when the cup and lid are mated together, first mating wall 121 of interference fit 12 of the cup may cause deformation of inner side 211 of brim curl 21 of the cup, and second mating wall 123 of the cup may cause deformation of outer side 212 of brim curl 21 to achieve the interference fit.

The cup cover is suitable for cup bodies and cup covers with various common sizes, in particular to paper cups and corresponding cup covers with conventional sizes.

According to some embodiments, the volume of the cup may be, for example, between 60ml and 1000 ml. According to some embodiments, the diameter of the bottom of the cup may be, for example, between 30mm and 110 mm. According to some embodiments, the diameter of the opening portion of the cup may be, for example, between 50mm and 135 mm. According to some embodiments, the height of the cup may be, for example, between 50mm and 170 mm. According to some embodiments, the diameter of the bead of the cup body may be, for example, between 2mm and 10mm, and more preferably, the diameter of the bead of the cup body may be, for example, between 3mm and 7 mm.

According to some embodiments, the maximum peripheral dimension of the cap may be, for example, between 50mm and 140 mm. According to some embodiments, the height of the cap may be, for example, between 5mm and 50 mm. According to some embodiments, the minimum distance between first and

third mating walls

121, 123 of the lid may be, for example, between 2mm and 10mm, and more preferably, the minimum distance between first and

third mating walls

121, 123 may be, for example, between 3mm and 7 mm.

Preferably, the first fitting wall 121 of the interference-fit portion 12 causes the deformation of the inner side 211 of the bead 21 by 0.1mm to 0.4mm, and more preferably by 0.2 mm. Preferably, said second mating wall 123 causes a deformation of 0.1mm to 0.4mm, and more preferably of 0.2mm, of the outer side 212 of the turn-up 21. The size and the structural characteristics are beneficial to the good sealing between the cup cover and the cup body with the conventional size.

According to a preferred embodiment of the present disclosure, the cover 11 includes a flat portion 111 at the outer periphery thereof. Figures 1 and 2 both show such a flat portion. The first fitting wall 121 of the interference fitting portion 12 is connected to the flat portion 111 and is bent outward with respect to the flat portion. Preferably, the first fitting wall 121 is angled at 70 to 90 degrees with respect to the flat portion. More preferably, the first fitting wall 121 is angled at 80 to 85 degrees with respect to the flat portion.

Preferably, first mating wall 121 is at an angle greater than 0 degrees and less than or equal to 20 degrees with respect to the longitudinal axis of the lid. More preferably, first mating wall 121 is at an angle greater than 10 degrees and less than or equal to 15 degrees with respect to the longitudinal axis of the lid.

Preferably, second mating wall 123 is at an angle greater than 0 degrees and less than or equal to 20 degrees with respect to the longitudinal axis of the lid. More preferably, the second mating wall 123 is at an angle greater than 10 degrees and less than or equal to 15 degrees relative to the longitudinal axis of the lid.

Through the angle characteristics, the cup cover and the cup body are further favorably sealed well, and the structure of the interference fit part is easy to separate the filler and the product from a hot press die in the hot press molding process, so that the manufacturing cost is very low.

According to a preferred embodiment of the present disclosure, the cover 11 includes a raised portion 112 higher than the flat portion 111. Wherein, the existence of uplift is favorable to increasing the volume of cup utensil subassembly, and has improved the pleasing to the eye degree of cup utensil subassembly.

According to a preferred embodiment of the present disclosure, the cover 11 further includes a drinking spout 113 located on the raised portion 112. Preferably, the drinking spout 113 is an open structure protruding from the bulge 112, and preferably has a smooth and tapered shape to enhance the user's experience of drinking the beverage in the cup body through the drinking spout. In addition, the cap also includes a spout plug 114 that is removably mounted to the spout 113. Fig. 1 shows the drinking spout plug 114 separated from the cap.

The provision of the drinking spout 113 and the drinking spout plug facilitates improving the utility of the cup assembly.

In accordance with a preferred embodiment of the present disclosure, the lid also includes an extension 125 extending from the second mating wall 123. The extension forms a free outer edge of the lid. A protrusion 1251 is provided on the inner wall of the extension, the protrusion being located between the second mating wall 123 and the distal end 126 of the extension. The risk that the cup cover and the paper cup fall off after being buckled can be reduced or even avoided due to the existence of the bulge.

The cup lid proposed by the present disclosure is preferably formed by molding pulp, but the material of the cup lid of the present disclosure is not limited to pulp, and it may be formed of plastic or the like, for example. Similarly, the cup body that mates with the lid is preferably molded from pulp, but the material of formation is not limited to pulp, and may be made from plastic or the like.

The present disclosure also proposes a cup assembly, the structure and preferred features of which are briefly described below.

The cup assembly provided by the present disclosure includes a cup body 2 and a lid, which may be the lid 1 as set forth in any of the embodiments above.

When cup 2 and bowl cover 1 cooperate together, the lid 11 of bowl cover 1 covers the opening of cup 2, and the border of cup opening part holds in holding groove 124 of bowl cover 1, and the border of cup opening part is held in the interference fit mode of interference fit mode to the interference fit portion 12 of bowl cover 1.

Preferably, the brim at the cup opening is a curled edge 21, and the interference fit portion 12 of the lid retains the curled edge 21 in an interference fit manner. The matching structure of the curled edge and the interference fit part is beneficial to improving the sealing performance between the cup cover and the cup body.

As previously described, first mating wall 121 of interference fit 12 causes inner side 211 of brim curl 21 to deform 0.1mm to 0.4mm and more preferably 0.2mm when the cup and lid are mated together. Said second mating wall 123 causes a deformation of 0.1 to 0.4mm, and more preferably of 0.2mm, of the outer side 212 of the turn-up 21. By the structural characteristics, the cup cover and the cup body in the conventional sizes are favorably and well sealed.

Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features and structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. The utility model provides a bowl cover, the bowl cover is used for cooperating with the cup in order to seal the opening of cup, its characterized in that, the bowl cover includes:

a lid (11) configured to cover an opening of the cup;

an interference fit portion (12) extending from the cover body at an outer periphery of the cover body, the interference fit portion (12) including a first fitting wall (121) connected with the cover body, a curved connecting wall (122) extending from the first fitting wall, and a second fitting wall (123) extending from the connecting wall and opposite to the first fitting wall, wherein an annular receiving groove (124) for receiving an opening rim of the cup body is formed between the first fitting wall (121) and the second fitting wall (123), and wherein the first fitting wall (121) and the second fitting wall (123) are configured to clamp both sides of the opening rim of the cup body in an interference fit manner.

2. The lid cover according to claim 1, characterized in that the lid body (11) includes a flat portion (111) at an outer periphery thereof, and the first fitting wall (121) of the interference fit portion (12) is connected to the flat portion (111) and is at an angle of 70 degrees to 90 degrees with respect to the flat portion.

3. The lid of claim 1, in which the first mating wall (121) is at an angle greater than 0 degrees and less than or equal to 20 degrees with respect to a longitudinal axis of the lid.

4. The cup lid of claim 1, characterized in that the second mating wall (123) is at an angle greater than 0 degrees and less than or equal to 20 degrees with respect to a longitudinal axis of the cup lid.

5. The cup lid according to claim 2, characterized in that the lid body (11) includes a raised portion (112) that is higher than the flat portion (111).

6. The cup cover according to claim 5, characterized in that the lid body (11) further includes a spout (113) on the raised portion (112), and the cup cover further includes a spout plug (114) detachably mounted to the spout (113).

7. The cup lid of claim 1, further comprising an extension (125) extending from the second mating wall (123), an inner wall of the extension having a protuberance (1251) disposed thereon, the protuberance being positioned between the second mating wall (123) and a terminal end (126) of the extension.

8. The cup lid of claim 1, formed from molded pulp.

9. A cup assembly, comprising:

a cup body (2);

cup lid (1) according to any of the preceding claims;

when the cup body (2) is matched with the cup cover (1), the cover body (11) of the cup cover (1) covers the opening of the cup body (2), the edge of the opening of the cup body is accommodated in the accommodating groove (124) of the cup cover (1), and the interference fit part (12) of the cup cover (1) clamps the edge of the opening of the cup body in an interference fit mode.

10. A cup assembly according to claim 9, characterised in that the rim at the cup opening is a bead (21), the interference fit portion (12) of the lid gripping the bead (21) in an interference fit.

11. A cup assembly according to claim 9, wherein the first cooperating wall (121) of the interference fit (12) causes the inner side (211) of the brim curl (21) to deform by 0.1mm to 0.4mm and the second cooperating wall (123) causes the outer side (212) of the brim curl (21) to deform by 0.1mm to 0.4mm when the cup and lid are mated together.