TWI860698B - Just cover the cup - Google Patents

Abstract

A cup lid for a mouthpiece includes a covering portion, a connecting portion connected to the periphery of the covering portion and suitable for detachably connecting to a container, and a mouthpiece. The covering portion includes a supporting wall, and a receiving wall connected to the supporting wall and forming a position difference with the supporting wall. The receiving wall has an outlet. The mouthpiece includes a mouthpiece inner wall connected to the edge of the receiving wall. The mouthpiece inner wall, the supporting wall, and the receiving wall define a buffer space, and have an arc section with an arc opening facing the buffer space, and two concave arc sections connected to the two opposite ends of the concave arc section and the supporting wall. Thereby, the buffer space is used to buffer the liquid flowing out of the outlet, and the liquid is guided into the arc section by the design of different curvatures of the arc section and the concave arc section, so as to prevent the liquid from spraying or overflowing to both sides.

Description

Just cover the cup

The present invention relates to a cup cover, in particular to a cup cover for directly drinking liquid.

Referring to FIG. 1 , a conventional environmentally friendly cup lid 1 disclosed in Patent Case No. I610007B of the Republic of China is illustrated, comprising a drinking surface 11 defining a drinking opening 10, an outer ring portion 12 surrounding the drinking surface 11 and adapted to be connected to a container (not shown), a peripheral portion 13 connecting the outer ring portion 12 and the drinking surface 11, a mouth portion 14 extending upward from the peripheral portion 13, and a sealing member 15 connected to the drinking surface 11 and used to close the drinking opening 10. The mouth portion 14 has a guide groove 141 formed on the inner surface thereof and capable of guiding a fluid. Thus, through the design of the mouth portion 14, the user can drink the fluid in the container without removing the environmentally friendly cup cover 1.

However, there is no buffer space for the fluid to stay between the mouth-end 14 and the drinking opening 10, and the groove surface of the guide groove 141 is directly connected to an annular surface 131 of the peripheral portion 13. Therefore, when the container is tilted and the fluid passes through the drinking opening 10, only the mouth-end 14 has the effect of blocking the fluid, so that the fluid is directly ejected from the drinking opening 10 and overflows from the groove surface of the guide groove 141 to the annular surface 131 of the peripheral portion 13. There is a disadvantage that the fluid cannot be gathered in the guide groove 141 and the fluid easily overflows from the corners of the human mouth.

In addition, currently, most of the cup lids 1 with the opening 14 on the market are made of plastic, and there is no cup lid made of paper pulp.

Therefore, the object of the present invention is to provide a cup cover capable of buffering and collecting fluid.

Therefore, the cup cover of the present invention is suitable for defining a containing space with a container, and the cup cover comprises a covering part, a connecting part, and a mouth part.

The covering part includes a supporting wall and a receiving wall connected to the supporting wall and forming a position difference with the supporting wall along a first axis direction. The receiving wall has an outlet suitable for connecting the containing space with the outside.

The connecting portion surrounds the first axis and is connected to the periphery of the covering portion, and is suitable for detachably connecting to the container.

The mouth portion includes an inner wall of the mouth portion connected to the edge of the receiving wall and extending from the receiving wall along the direction of the first axis. The inner wall of the mouth portion, the supporting wall and the receiving wall define a buffer space with an opening opposite to the container. The buffer space has an expansion area adjacent to the mouth portion and a contraction area opposite to the expansion area and adjacent to the supporting wall. The expansion area is along a second axis. The maximum width in the direction of the narrowing zone is greater than the maximum width in the direction of the narrowing zone along the second axis. The inner wall of the narrowing zone has an arc section with an arc opening facing the widening zone, and two concave arc sections spaced apart along the direction of the second axis and connected to the two opposite ends of the arc section and the edge of the supporting wall. The curvature of the arc section is smaller than that of the concave arc section, and the second axis is substantially perpendicular to the first axis.

The effect of the present invention is that the buffer space can buffer the liquid flowing out of the outlet, and the liquid is guided into the arc section by designing the arc section and the concave arc section with different curvatures, so as to avoid the liquid from spraying or overflowing to both sides.

Referring to FIG. 2 , FIG. 3 and FIG. 4 , a first embodiment of the cup lid of the present invention defines a first axis X, a second axis Y substantially perpendicular to the first axis X, and a third axis Z substantially perpendicular to the first axis X and the second axis Y. The first embodiment of the cup lid comprises a covering portion 2, a sealing portion 3, a connecting portion 4, a stopping portion 5, and a cup portion 6 integrally formed of pulp.

The covering portion 2 includes a supporting wall 21, a receiving wall 22 connected to the supporting wall 21 and forming a position difference with the supporting wall 21 along the direction of the first axis X, and a surrounding wall 23 surrounding the first axis X and connected to the edge of the supporting wall 21. The length L1 of the receiving wall 22 along the direction of the third axis Z is more than 90% of the length L2 of the supporting wall 21 along the direction of the second axis Y. The receiving wall 22 has an outlet 221 extending from the outer surface along the direction of the first axis X to the inner surface and away from the supporting wall 21 along the direction of the third axis Z, and a recess 222 recessed from the outer surface to the inner surface and adjacent to the supporting wall 21 along the direction of the third axis Z.

Referring to FIG. 2 , FIG. 5 and FIG. 6 , the sealing portion 3 is movably connected to the receiving wall 22 and sways between a sealing position (as shown in FIG. 5 ) and an opening position (as shown in FIG. 6 ) relative to the receiving wall 22. In the sealing position, the sealing portion 3 closes the outlet 221. In the opening position, the sealing portion 3 is away from the outlet 221 and is engaged with the recess 222.

Referring to Fig. 3, Fig. 5 and Fig. 7, the connecting portion 4 includes an inner side wall 41 surrounding the first axis X and connected to the surrounding wall 23 of the covering portion 2, an outer side wall 42 surrounding the first axis X and spaced from the inner side wall 41, and an abutting wall 43 connected to the inner side wall 41 and the outer side wall 42 and forming a position difference with the covering portion 2 along the direction of the first axis X. The outer side wall 42, the inner side wall 41 and the abutting wall 43 define a matching space 40 whose opening is opposite to the abutting wall 43. The outer side wall 42 has an end edge 421.

The stopper 5 surrounds the first axis X and is formed on the inner surface of the outer wall 42. The stopper 5 includes a plurality of stopper ribs 51. Each of the stopper ribs 51 and the end edge 421 form an angle θ1, and define a gap 501 with the adjacent stopper ribs 51. A highest point and a lowest point of each stopper rib 51 along the direction of the first axis X define a contact area 51a. The angle θ1 is between 15 degrees and 45 degrees. Preferably, the angle θ1 is 25 degrees.

Referring to Fig. 2, Fig. 4 and Fig. 5, the mouth portion 6 is connected to the receiving wall 22 and the supporting wall 21 along the direction around the first axis X, and the two ends are spaced apart along the direction around the second axis Y to form a semicircular shape. The mouth portion 6 includes an inner mouth wall 61 connected to the edge of the receiving wall 22 and extending from the receiving wall 22 along the direction around the first axis X, an outer mouth wall 62 spaced apart from the inner mouth wall 61 along the direction around the first axis X and connected to the surrounding wall 23, and an arc wall 63 connected to the inner mouth wall 61 and the outer mouth wall 62 and forming a position difference with the supporting wall 21 along the direction around the first axis X. The inner wall 61 of the opening, the supporting wall 21 and the receiving wall 22 define a buffer space 60 with an opening opposite to the matching space 40.

In this embodiment, the buffer space 60 is generally fan-shaped. The buffer space 60 has an expansion area 601 adjacent to the access portion 6 and covering the outlet 221, and a contraction area 602 opposite to the expansion area 601 and covering the recess 222 and adjacent to the supporting wall 21. The maximum width W1 of the expansion area 601 along the direction of the second axis Y> the maximum width W2 of the contraction area 602 along the direction of the second axis Y> the maximum width W3 of the outlet 221 along the direction of the second axis Y.

The inner wall 61 of the outlet has an angle θ2 with the first axis X, and the angle θ2 is between 5 and 15 degrees. Preferably, the angle θ2 is 10 degrees. The inner wall 61 of the outlet has an arc section 611 connected to the edge of the receiving wall 22 and extending from the receiving wall 22 along the direction of the first axis X, and two concave arc sections 612 spaced along the direction of the second axis Y and connected to the opposite ends of the arc section 611 and the edge of the supporting wall 21. The arc of the arc section 611 faces the expansion area 601. And the maximum width W4 of the arc section 611 along the second axis Y direction is greater than the maximum width W3 of the outlet 221, but not greater than the maximum width W1 of the expansion area 601.

The outer wall 62 of the opening includes an angle θ3 with the first axis X. The angle θ3 is between 5 and 15 degrees. Preferably, the angle θ3 is 10 degrees. Thus, the distance between the outer wall 62 of the opening and the arc section 611 along the direction of the third axis Z gradually decreases from one end adjacent to the connecting portion 4 along the direction of the first axis X to the other end away from the connecting portion 4.

Referring to FIG. 6 and FIG. 7 , the cup cover of the present invention is suitable for defining a containing space 70 with a container 7. The containing space 70 is suitable for containing liquid. The container 7 has an opening 71. When the first embodiment of the cup cover of the present invention moves relative to the container 7 along the direction of the first axis X and is sleeved on the opening 71, the opening 71 of the container 7 will pass through the matching space 40 until it is pressed against the abutting wall 43 of the connecting portion 4. At this time, the matching space 40 of the connecting portion 4 will receive the opening 71 of the container 7. The inner side wall 41 and the outer side wall 42 of the connecting portion 4 will press against and clamp the two sides of the opening portion 71 of the container 7, and the abutting wall 43 of the connecting portion 4 will also press against the opening portion 71 of the container 7.

Thereby, the inner side wall 41, the outer side wall 42 and the abutting wall 43 will frictionally contact the opening 71 of the container 7, and form three close-fitting circles from the inside to the outside. More importantly, the blocking ribs 51 will also be pressed against the peripheral surface of the opening 71 of the container 7 through the contact area 51a. At this time, due to the thickness of part of the opening 71 of the container 7, it will sink into the gaps 501 and frictionally contact the outer side wall 42 and the blocking ribs 51. Therefore, the blocking ribs 51 will be engaged with the opening 71 of the container 7, and prevent the container 7 and the cup cover of the present invention from rotating relative to each other.

4, 5 and 6, when drinking the liquid in the accommodating space 70, the sealing portion 3 is moved to the opening position, and the liquid in the accommodating space 70 can enter the expansion area 601 of the buffer space 60 from the outlet 221 and flow toward the concave arc segment 612 during the process of tipping the container 7. Thus, when the maximum width W1 of the expansion area 601 is significantly greater than the maximum width W3 of the outlet 221 and slightly greater than the maximum width W4 of the arc section 611, the liquid will diffuse outward with the expansion area 601 as a buffer and the outlet 221 as the center, but will still be blocked by the side edge of the supporting wall 21 and the inner wall 61 of the mouth and be confined in the buffer space 60. Then, the liquid will converge at the arc section 611 along the curvature of the inner wall 61 of the mouth, and finally enter the mouth of the human body.

It is worth noting that, since the distance between the mouthpiece outer wall 62 and the arc section 611 gradually decreases to form a cone that is wider at the bottom and narrower at the top, the upper lip and the lower lip of the human body can be as close as possible when they touch the mouthpiece 6. This allows the liquid to enter the human mouth more accurately and completely. In addition, the shape, height and angle of the mouthpiece 6 just meet the sipping angle of the human mouth, which can improve the comfort when drinking.

When the drinking of liquid stops and the container 7 is placed upright, the liquid remaining in the arc section 611 will also flow along the curvature and slope of the arc section 611 toward the expansion area 601 or the outlet 221, or be confined in the buffer space 60.

Referring to FIG. 8 , it is worth noting that, since the supporting wall 21 of the cover portion 2 and the receiving wall 22 form a position difference along the direction of the first axis X, a plurality of turning parts are formed. Therefore, the structural strength of the cover portion 2 can be improved. Moreover, when the access opening 6 is semicircular, the side of the cover portion 2 opposite to the access opening 6 is open, and the supporting wall 21 can stably and firmly support another container 7 without being easily damaged, and the other container 7 will not be blocked by the corresponding access opening 6, and can be easily placed on the corresponding supporting wall 21.

Referring to FIG. 9 , when a plurality of the cup lids of the present invention are stacked along the first axis X, the abutting wall 43 of one of the cup lids will abut against the stopper 5 of the adjacent cup lid. Moreover, the covering portion 2, the abutting wall 43, and the inner wall 41 of each cup lid are spaced from the covering portion 2, the abutting wall 43, and the inner wall 41 of the adjacent cup lid. In this way, not only can the occupied space be reduced to improve the space efficiency, but also the contact area of the adjacent cup lids can be reduced to avoid the adjacent cup lids from squeezing each other, and the cup lids at the outermost layer can be easily taken.

Referring to FIG. 10 and FIG. 11 , a second embodiment of the present invention is shown, which includes the covering portion 2, the sealing portion 3, the connecting portion 4, the blocking portion 5, and the opening portion 6 in the same manner as the first embodiment. The difference is that:

The stopper 5 includes a plurality of stopper ribs 51 arranged in an array. The stopper ribs 51 define a grid-like gap 501. A highest point and a lowest point of the stopper 5 along the direction of the first axis X define a contact area 51a capable of frictionally contacting the opening 71 of the container 7.

Thereby, the inner side wall 41, the outer side wall 42 and the abutting wall 43 will also rub against the opening 71 of the container 7, and form three sealing circles from the inside to the outside. More importantly, the blocking ribs 51 will also be pressed against the opening 71 of the container 7 through the contact area 51a. At this time, due to the thickness of the opening 71 of the container 7, part of the wall will also fall into the gap 501 and rub against the outer side wall 42 and the blocking ribs 51. Therefore, the blocking ribs 51 will be engaged with the opening 71 of the container 7, and prevent the container 7 and the cup cover of the present invention from rotating relative to each other.

Referring to FIG. 12 and FIG. 13 , a third embodiment of the present invention is shown, which includes the covering portion 2, the sealing portion 3, the connecting portion 4, the blocking portion 5, and the access portion 6 in the same manner as the first embodiment. The difference is that:

The stopper 5 is recessed from the outer surface of the outer wall 42 and protrudes from the inner surface of the outer wall 42. The stopper 5 includes a rib 54 defining a groove 53. The outer wall 42 is extruded after forming, and the groove 53 and the rib 54 are formed at the same time. For example, the cup cover of the present invention can be placed on a base (not shown), and then the outer surface of the outer wall 42 is extruded by a movable slider (not shown). In this way, the rib 54 protruding from the inner surface of the outer wall 42 can be formed in the process of the outer surface of the outer wall 42 being recessed and the groove 53 being formed.

Thereby, when the rib 54 blocks the lower part of the opening 71 of the container 7, when the cup cover of the present invention or the container 7 moves away from each other in the direction of the first axis X, the rib 54 and the opening 71 of the container 7 will abut against each other and be engaged, thereby preventing the cup cover of the present invention from being separated from the container 7.

It should be noted that the rib 54 is not limited to being formed on the inner surface of the outer wall 42 by secondary processing. In other variations of this embodiment, as shown in FIG. 14 , the rib 54, the covering portion 2, the sealing portion 3, the connecting portion 4, and the opening portion 6 can be integrally formed from paper pulp.

In addition, it is worth mentioning that when the cup cover of the present invention is connected to the container 7, it is not limited to connecting with an opening portion 71 with an inverted U-shaped cross section, but can also be applicable to an opening portion 71 with a circular cross section as shown in FIG. 15 .

Through the above description, the advantages of the above embodiments can be summarized as follows:

1. The present invention can buffer the liquid flowing out of the outlet 221 by the special spatial design of the buffer space 60, and guide the liquid into the arc section 611 by the design of different curvatures of the arc section 611 and the concave arc section 612, thereby effectively preventing the liquid from spraying or overflowing to both sides.

2. The distance between the outer wall 62 of the mouth and the arc section 611 gradually decreases to form a cone that is wide at the bottom and narrow at the top. Therefore, the upper lip and the lower lip of the human body can be as close as possible when they touch the mouth part 6. This allows the liquid to enter the human mouth more accurately and completely. The shape, height and angle of the mouth part 6 just meet the sipping angle of the human mouth, which can improve the comfort when drinking.

3. In addition, the present invention can improve the structural strength of the cover portion 2 through the design of the buffer space 60. And when the opening portion 6 is semicircular, the supporting wall 21 of the cover portion 2 can stably and firmly support another container 7 without being easily damaged.

4. Furthermore, the present invention can form three sealing circles with different blocking directions from the inside to the outside by using the inner wall 41, the outer wall 42 and the abutting wall 43 of the connecting portion 4 to abut and contact the opening portion 71 of the container 7 respectively, and can also greatly increase the area of friction contact, effectively preventing the liquid in the accommodating space 70 from leaking outward, thereby improving the overall sealing performance.

5. The present invention can also use the blocking portion 5 to surround and frictionally contact the opening portion 71 of the container 7, thereby further improving the bonding strength and stability with the container 7.

6. The present invention can also reduce the contact area of adjacent drinking cup lids when multiple drinking cup lids are stacked, thereby avoiding the adjacent drinking cup lids from squeezing each other and making it easy to take the drinking cup lids located on the outermost layer.

However, the above is only an example of the implementation of the present invention, and it should not be used to limit the scope of the implementation of the present invention. All simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still within the scope of the patent of the present invention.

2: Covering part 21: Carrying wall 22: Receiving wall 221: Outlet 222: Notch 23: Surrounding wall 3: Sealing part 4: Connecting part 40: Matching space 41: Inner wall 42: Outer wall 421: End edge 43: Abutting wall 5: Stopping part 501: Gap 502: Gap 51: Stopping rib 51a: Contact area 52: Stopping rib 52a: Contact area 53: Groove 54: Rib 6: Mouth part 60: Buffer space 601: Expansion area 602: Contraction area 61: Inner wall of mouth 611: arc section 612: concave arc section 62: outer wall of the opening 63: arc wall 7: container 70: storage space 71: opening X: first axis Y: second axis Z: third axis L1, L2: length W1~W4: maximum width θ1, θ2, θ3: angle

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a three-dimensional diagram illustrating a known environmentally friendly cup cover disclosed in Patent Case No. I610007B of the Republic of China; FIG. 2 is a three-dimensional diagram illustrating a first embodiment of the cup cover of the present invention; FIG. 3 is a three-dimensional diagram of the first embodiment viewed from another angle; FIG. 4 is a top view of the first embodiment; FIG. 5 is a cross-sectional view taken along line V-V in FIG. 4; FIG. 6 is a cross-sectional schematic diagram illustrating the first embodiment connected to a container; FIG. 7 is a partially enlarged cross-sectional schematic diagram of the first embodiment and the container; Figure 8 is a three-dimensional schematic diagram, illustrating two first embodiments connected to two containers, each of the first embodiments and respective containers forming a container combination, and one of the container combinations is stacked on another container combination; Figure 9 is a cross-sectional view, illustrating multiple first embodiments stacked on each other; Figure 10 is a three-dimensional diagram, illustrating a second embodiment of the cup cover of the present invention; Figure 11 is a partially enlarged cross-sectional schematic diagram of the second embodiment connected to a container; Figure 12 is a three-dimensional diagram, illustrating a third embodiment of the cup cover of the present invention; Figure 13 is a partially enlarged cross-sectional schematic diagram of the third embodiment connected to a container; Figure 14 is a partially enlarged cross-sectional schematic diagram similar to Figure 13, but with a different stop rib; and Figure 15 is a partially enlarged cross-sectional schematic diagram of the third embodiment connected to another container.

2: Covering part 21: Supporting wall 22: Receiving wall 221: Exit 222: Notch 23: Surrounding wall 3: Sealing part 4: Connecting part 42: Outer wall 43: Abutting wall 6: Opening part 60: Buffer space 601: Expansion area 602: Contraction area 61: Inner wall of opening 611: Arc section 612: Concave arc section 62: Outer wall of opening X: First axis Y: Second axis Z: Third axis

Claims (14)

A cup cover is suitable for defining a storage space with a container, and the cup cover comprises: A covering portion, including a supporting wall, and a receiving wall connected to the supporting wall and forming a position difference with the supporting wall along a first axis, the receiving wall having an outlet suitable for connecting the storage space with the outside; A connecting portion, surrounding the first axis and connected to the periphery of the covering portion, suitable for detachably connecting the container; and A mouth portion, including an inner wall of the mouth portion connected to the edge of the receiving wall and extending from the receiving wall along the direction of the first axis, the inner wall of the mouth portion and the supporting wall and the receiving wall define a buffer space with an opening opposite to the container, the buffer space having an expansion area adjacent to the mouth portion, and a contraction area opposite to the expansion area and adjacent to the supporting wall, the maximum width of the expansion area along the direction of a second axis is The width of the outlet is greater than the maximum width of the contraction zone along the second axis and the width of the outlet along the second axis. The inner wall of the outlet has an arc section facing the expansion zone, and two concave arc sections spaced along the second axis and connected to the opposite ends of the arc section and the edge of the supporting wall. The arc of the arc section is smaller than the arc of the concave arc section. The second axis is substantially perpendicular to the first axis. The cup lid as claimed in claim 1, wherein the covering portion, the connecting portion, the sealing portion and the mouth portion are integrally formed from paper pulp. A cup lid for a cup opening as described in claim 1, wherein the length of the receiving wall along a third axis is more than 90% of the length of the supporting wall along the third axis, and the arc section of the inner wall of the cup opening forms an angle with the first axis, the angle is between 5 degrees and 15 degrees, and the third axis is substantially perpendicular to the first axis and the second axis. The cup lid as described in claim 1 also includes a sealing portion, which is movably connected to the receiving wall and can be swung between a sealing position and an opening position relative to the receiving wall. When in the sealing position, the sealing portion closes the outlet, and when in the opening position, the sealing portion is away from the outlet. As described in claim 4, the receiving wall of the covering portion further defines a notch which is recessed from the outer surface toward the inner surface and is adjacent to the supporting wall and away from the mouth portion along the direction of the third axis, and the sealing portion can be engaged with the notch when it is in the opening position. A cup lid with a mouth as described in claim 1, wherein the maximum width of the arc mouth segment along the second axis direction is greater than the width of the mouth along the second axis direction, but not greater than the maximum width of the expansion area. A cup lid for a mouth opening as described in claim 1, wherein the mouth opening portion further comprises an outer wall of the mouth opening which is spaced apart from the inner wall of the mouth opening along a direction around the first axis, and an arc wall which is connected to the inner wall of the mouth opening and the outer wall of the mouth opening and forms a position difference with the supporting wall along the direction of the first axis. The cup lid as described in claim 7, wherein the outer wall of the mouth forms an angle with the first axis, and the angle is between 5 degrees and 15 degrees. The cup lid for the spout as described in claim 6, wherein the covering portion further includes a surrounding wall that surrounds the first axis and is connected to the edge of the supporting wall, the outer wall of the spout and the connecting portion. A drinking cup lid as described in claim 9, wherein the connecting portion includes an inner wall surrounding the first axis and connected to the surrounding wall, an outer wall surrounding the first axis and spaced apart from the inner wall, and an abutment wall connected to the inner wall and the outer wall and forming a position difference with the supporting wall along the direction of the first axis. The drinking cup lid as described in claim 10 further comprises a stopper, which surrounds the first axis and is formed on the inner surface of the outer wall and is suitable for contacting the container. As described in claim 11, the outer wall has an end edge, and the stopping portion includes a plurality of stopping ribs, each of the stopping ribs forms an angle with the end edge and defines a gap with adjacent stopping ribs, and each of the stopping ribs defines a contact area that can frictionally contact the container at a highest point and a lowest point along the direction of the first axis, and the angle is between 15 degrees and 45 degrees. A drinking cup lid as described in claim 11, wherein the stopping portion comprises a plurality of stopping ribs arranged in an array, wherein the stopping ribs define a grid-like gap, and a highest point and a lowest point of the stopping portion along the direction of the first axis define a contact area that can frictionally contact the container. As described in claim 11, the stopping portion is recessed from the outer surface of the outer wall and protrudes from the inner surface of the outer wall, and the stopping portion includes a convex rib defining a groove. The outer wall is formed by extrusion after molding to form the groove and the convex rib at the same time, and the convex rib is suitable for blocking the container.