CN212829628U

CN212829628U - Paper-plastic cup

Info

Publication number: CN212829628U
Application number: CN202022223408.9U
Authority: CN
Inventors: 丁椒平; 丁宇凡
Original assignee: Hubei Kelafute Industrial Co ltd
Current assignee: Hubei Kelafute Industrial Co ltd
Priority date: 2020-10-01
Filing date: 2020-10-01
Publication date: 2021-03-30
Anticipated expiration: 2030-10-01

Abstract

The utility model provides a paper-plastic cup belongs to paper cup technical field. It has solved the inconvenient technical problem who observes the interior cup condition of current paper-plastic cup. The paper-plastic cup comprises an inner cup made of transparent plastic and a cylindrical outer sleeve sleeved outside the inner cup, wherein the upper end and the lower end of the cylindrical outer sleeve are respectively connected to the outer wall of the inner cup, a heat insulation gap communicated with each other is formed between the middle part of the cylindrical outer sleeve and the outer wall of the inner cup, a plurality of strip-shaped holes communicated with the heat insulation gap and the outside are formed in the side wall of the cylindrical outer sleeve along the axial direction of the cylindrical outer sleeve, the strip-shaped holes are linearly arranged, a notch protruding outwards from the side wall of the cylindrical outer sleeve is formed between every two adjacent strip-shaped holes, and the notch is communicated with the heat insulation. This scheme adopts and to set up linear arrangement's bar hole on the tube-shape overcoat and observe the condition of interior cup, can realize observing interior cup from paper plastic cup's lateral wall, on this basis, realizes better preventing scalding the effect.

Description

Paper-plastic cup

Technical Field

The utility model belongs to the technical field of the paper cup, a paper plastic cup, in particular to double-deck paper plastic cup is related to.

Background

The paper-plastic cup is a double-layer disposable cup, the inner cup is made of plastic, and can be widely applied to filling of various media, and the paper-plastic cup is supported by the outer paper jacket, so that the application range is wide. The heat insulation gap formed between the inner cup and the outer sleeve is one of anti-scalding schemes of the double-layer paper-plastic cup and is the most widely applied scheme. The outer sleeve and the inner cup form a heat insulation gap, and the outer peripheral surface of the whole inner wall needs to be wrapped, so that the paper-plastic cup cannot observe the medium residual condition of the inner cup from the side.

On the basis of the double-layer paper-plastic cup scald-proof scheme, improved scald-proof schemes also appear, for example, a heat insulation layer is added between the paper outer sleeves, so that heat insulation is further realized, and if a support bar is arranged between the paper outer sleeves and the inner cup, the outer sleeves are not easy to deform and contact the inner cup.

Still have chinese patent application as application number CN201620952834.7, disclose a prevent scalding paper cup, including the cup wall, the cup wall includes the basic unit and wraps up at the apparent layer of preventing scalding of basic unit, prevent scalding one side that the layer deviates from the basic unit and be equipped with the burr, the burr is corrugated structure and burr and winds cup wall evenly distributed. Can let the hand when holding the cup wall through the setting of burr, there are a plurality of ventilative passageways between its cup wall and the hand to let wind flow on the cup wall of the part is held to the hand, take away partly heat, reduce the temperature of cup wall, reach and prevent scalding the purpose, in addition, the setting of burr can let the thickness of cup wall and hand contact increase to some extent, also can further prevent scalding.

This solution is the ventilative passageway that link up from top to bottom is adopted, and the heat on the cup wall is taken away, and the problem of preventing scalding of solution that can be fine, but can only follow the rim of a cup and observe the interior cup condition, and receive the gaseous influence that the ventilative passageway emits, also difficult observation.

Disclosure of Invention

The utility model provides a paper-plastic cup, the interior cup condition of the observation paper-plastic cup that the technical problem that its solved was how convenient to the above-mentioned problem that exists to prior art.

The utility model discloses a following technical scheme realizes: a paper-plastic cup comprises an inner cup made of transparent plastic and a cylindrical outer sleeve sleeved outside the inner cup, wherein the upper end and the lower end of the cylindrical outer sleeve are respectively connected to the outer wall of the inner cup, and a heat insulation gap communicated with each other is formed between the middle part of the cylindrical outer sleeve and the outer wall of the inner cup.

The scheme adopts the way that the linear-arranged strip-shaped holes are formed in the cylindrical outer sleeve to observe the condition of the inner cup, and the inner cup can be observed from the side wall of the paper-plastic cup, on the basis, the linear-arranged strip-shaped holes are a plurality of strip-shaped holes which are arranged along the axial direction, and the outwards-protruding notch is formed between the adjacent strip-shaped holes, so that the quick heat dissipation of the lower part in the paper-plastic cup is realized through the structure, because the heat medium of the inner cup of the air cup in the heat insulation gap is heated, the hot air can flow upwards along the wall of the inner cup, the flowing speed of the air is faster as the air is closer to the wall of the inner cup, a low-pressure area is formed, the part close to the notch is in a blocking state due to the concave-convex surface and the fact that the air is far away from the inner cup, when the external relatively cold air flows into the strip-shaped holes from the bottom of the linear-arranged strip-, this partial fresh cold air state realizes better effect of preventing scalding, and the hot-air flows out at the top of the bar hole of linear arrangement or the bar hole at middle part behind upper portion gathering, and the bar hole through linear arrangement not only can form the hot-air of convection current air with the well lower part in thermal-insulated clearance and carry out the developments replacement with the air that is close to the notch part, can also see the interior cup condition from the lateral part during handheld well lower part to can prejudge the heat degree condition from the top bar hole in the bar hole of linear arrangement.

As an improvement, in the paper-plastic cup, the upper end and the lower end of the cylindrical outer sleeve are respectively provided with an upper flanging and a lower flanging which are turned inwards, the upper flanging and the lower flanging are fixedly connected to the outer wall of the inner cup, and a heat storage cavity with a closed top is formed among the inner wall of the upper part of the cylindrical outer sleeve, the upper flanging and the inner cup wall. The inner cup can reduce the loss of heat of the upper part through the structure.

As an improvement, the upper flanging comprises a horizontal flanging and a vertical flanging, the vertical flanging is bonded on the inner cup wall, and the inner wall of the cylindrical outer sleeve forming the heat storage cavity is provided with an annular notch protruding outwards. The heat that is used for maintaining upper portion, the structure of notch can let the hot-air form palirrhea, is difficult for flowing out from upper portion bar hole, realizes the effect that overflows the hot-air again after the heat storage chamber is full.

As an improvement, the number of the strip-shaped holes which are arranged in a straight line is one or two symmetrical strips.

As an improvement, the cylindrical outer sleeve is made of paper materials.

As an improvement of a substitute product, the side wall of the inner cup is a straight cylinder side wall, the cylinder-shaped outer sleeve is conical, and the caliber of the upper end is larger than that of the lower end. The heat insulation gap is increased, the flow of hot air can be accelerated by the straight side wall, and the blockage of the air flow of the outer wall of the inner cup is prevented.

Compared with the prior art, the paper-plastic cup has the following advantages:

this paper-plastic cup adopts linear arrangement's bar hole not only can conveniently see the condition of interior cup, realizes the air current effect through this structure moreover, makes well lower part keep fresh cold air through the cooperation of bar hole and notch, strengthens preventing scalding the effect to set up the strong structure of heat-retaining on upper portion, make the heat of keeping on upper portion be difficult for running off, have longer hot drink hold time.

Drawings

Fig. 1 is a schematic perspective view of the paper-plastic cup.

Fig. 2 is a schematic front view of the paper-plastic cup.

Fig. 3 is a sectional view of a-a in fig. 2, and a schematic view of a structure in an air flowing state.

In the figure, 1, an inner cup; 2. a cylindrical jacket; 21. upward flanging; 22. downward flanging; 3. a strip-shaped hole; 4. a thermally insulating gap; 5. a recess; 6. a heat storage cavity.

Detailed Description

The invention will be further described in the following by way of examples with reference to the accompanying drawings.

Example 1:

as shown in fig. 1, fig. 2 and fig. 3, this paper-plastic cup, including the interior cup 1 that transparent plastic made and the tube-shape overcoat 2 of cover outside interior cup 1, form double-deck anti-scalding structure through interior cup 1 and tube-shape overcoat 2, on the basis, the condition of interior cup 1 is observed through setting up linear arrangement's bar hole 3 to form suitable air convection through structures such as one or two linear arrangement's bar hole 3, keep paper-plastic cup upper portion to maintain the heat, middle lower part improves prevents scalding the effect. The method comprises the following specific steps:

the inner cup 1 is made of PP or PE transparent plastics, and the shape of the inner cup can be a general tapered cup body.

The tube-shape overcoat 2 adopts the paper material to make, and its upper and lower both ends have the turn-up structure of increase and interior cup 1 wall distance, and the turn-up structure is connected respectively on interior cup 1 outer wall for have the thermal-insulated clearance 4 of intercommunication between the middle part of tube-shape overcoat 2 and the outer wall of interior cup 1, be equipped with a plurality of intercommunication thermal-insulated clearance 4 and external bar hole 3 along the axial of tube-shape overcoat 2 on the lateral wall of tube-shape overcoat 2, bar hole 3 according to the linear arrangement, in this example, the quantity of linear arrangement's bar hole 3 is two of symmetry, is equipped with between adjacent bar hole 3 and outwards extrudes in the notch 5 of tube-shape overcoat 2 lateral wall, notch 5 and thermal-insulated clearance 4 intercommunication. The notches 5 may be formed in a ring shape arranged along the circumferential direction, and may assist in increasing the strength of the cylindrical jacket.

The upper end and the lower end of the cylindrical outer sleeve 2 are respectively provided with an upper flanging 21 and a lower flanging 22 which are turned inwards, the upper flanging 21 and the lower flanging 22 are fixedly connected to the outer wall of the inner cup 1, and a heat storage cavity 6 with a closed top is formed among the inner wall of the upper part of the cylindrical outer sleeve 2, the upper flanging 21 and the inner cup wall. The inner cup 1 can reduce the loss of upper heat through the heat storage cavity 6.

In order to maintain the heat of the upper part, the upper flange 21 comprises a horizontal flange and a vertical flange, the vertical flange is adhered on the wall of the inner cup 1, and the inner wall of the cylindrical outer sleeve 2 forming the heat storage cavity 6 is provided with an annular notch 5 protruding outwards. The structure of notch 5 can let the hot-air form palirrhea, is difficult for flowing out from upper portion bar hole 3, realizes the effect that overflows the hot-air again after storing up hot chamber 6 is full.

When the product is used, hot water or hot drink of 100 ℃ is poured, as shown in figure 2, the strip-shaped holes 3 are rotated to the observable position, the condition of the inner cup 1 is observed by arranging the strip-shaped holes 3 in linear arrangement on the outer sleeve, as shown in the air flow state at the left side of figure 3, the hot water in the inner cup 1 exchanges heat with the air in the heat insulation gap 4 outside the inner cup 1, the heat insulation gap 4 can form hot air to flow upwards along the wall of the inner cup 1 after being heated, the flow is faster as the heat insulation gap is closer to the wall of the inner cup 1, a long arrow indicates that a low pressure area is formed, a part close to the notch 5 forms a blocking state as the surface is concave and convex and away from the inner cup 1, and a short arrow indicates that when the external relatively cold air flows into the cold air from the strip-shaped holes 3 at the bottom of the strip-shaped holes 3 in linear arrangement, the inflowing cold air can dynamically replace the hot air at the middle lower part of, this partial fresh cold air state realizes better preventing scalding the effect, and the hot-air flows out at the top of the bar hole 3 of upper portion gathering back linear arrangement or the bar hole 3 at middle part, not only can form convection current air and carry out the dynamic replacement with the hot-air of the middle and lower part of thermal-insulated clearance 4 and the air that is close to 5 parts of notch through the notch 5 between bar hole 3 of linear arrangement and bar hole 3.

Example 2:

the embodiment 2 is basically the same as the embodiment 1 except for the shape of the inner cup 1. In this example, the side wall of the inner cup 1 is a straight cylindrical side wall, the cylindrical outer sleeve 2 is tapered, and the diameter of the upper end is larger than that of the lower end. The heat insulation gap 4 is increased and the straight side wall can accelerate the flow of hot air, so that the air flow on the outer wall of the inner cup 1 is prevented from being blocked.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The paper-plastic cup comprises an inner cup (1) made of transparent plastic and a cylindrical outer sleeve (2) sleeved outside the inner cup (1), wherein the upper end and the lower end of the cylindrical outer sleeve (2) are respectively connected to the outer wall of the inner cup (1), a plurality of strip-shaped holes (3) communicated with the heat insulation gaps (4) and the outside are formed in the middle of the cylindrical outer sleeve (2) and the outer wall of the inner cup (1), the paper-plastic cup is characterized in that the side wall of the cylindrical outer sleeve (2) is provided with a plurality of strip-shaped holes (3) along the axial direction of the cylindrical outer sleeve (2), the strip-shaped holes (3) are linearly arranged, a notch (5) protruding out of the side wall of the cylindrical outer sleeve (2) is formed between every two adjacent strip-shaped holes (3), and the notch (5) is communicated with the heat insulation gaps (4.

2. The paper-plastic cup as claimed in claim 1, wherein the upper end and the lower end of the cylindrical outer sleeve (2) are respectively provided with an upward flange (21) and a downward flange (22) which are turned inwards, the upward flange (21) and the downward flange (22) are fixedly connected to the outer wall of the inner cup (1), and a heat storage cavity (6) with a closed top is formed among the upper inner wall of the cylindrical outer sleeve (2), the upward flange (21) and the wall of the inner cup (1).

3. A paper-plastic cup according to claim 2, characterized in that said upturn (21) comprises a horizontal upturn and a vertical upturn, which is glued to the wall of the inner cup (1), the inner wall of the cylindrical jacket (2) forming said heat storage chamber (6) having an outwardly protruding notch (5).

4. A paper-plastic cup according to claim 3, characterized in that the number of the linear holes (3) is one or two symmetrical.

5. A paper-plastic cup according to claim 3, characterized in that said recess (5) is formed in a circumferential direction in the shape of a ring.

6. A paper-plastic cup according to claim 4, characterized in that the cylindrical jacket (2) is made of paper material.

7. The paper-plastic cup as claimed in claim 1, characterized in that the side wall of the inner cup (1) is a straight cylindrical side wall, the cylindrical jacket (2) is conical, and the aperture of the upper end is larger than that of the lower end.