CN112644838A - Paper cup - Google Patents
Paper cup Download PDFInfo
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- CN112644838A CN112644838A CN202011402142.2A CN202011402142A CN112644838A CN 112644838 A CN112644838 A CN 112644838A CN 202011402142 A CN202011402142 A CN 202011402142A CN 112644838 A CN112644838 A CN 112644838A
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- 239000010410 layer Substances 0.000 claims description 20
- 239000011148 porous material Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 3
- 239000010902 straw Substances 0.000 abstract description 52
- 230000001965 increasing effect Effects 0.000 description 17
- 238000007789 sealing Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 244000062793 Sorghum vulgare Species 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 235000019713 millet Nutrition 0.000 description 3
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000287828 Gallus gallus Species 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 241000482268 Zea mays subsp. mays Species 0.000 description 1
- 235000015228 chicken nuggets Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
- B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
- B65D3/06—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape essentially conical or frusto-conical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
Abstract
The invention provides a paper cup, and belongs to the technical field of cups. The technical problems that a cup cover of an existing paper cup after being folded is prone to upwarping, a straw cannot be well fixed and the like are solved. The first mountain folding line of the paper cup comprises a plurality of zigzag lines which are sequentially connected and have two high ends and a low middle part, a plurality of second mountain folding lines which are vertically arranged are arranged on the folding part, the end part of each zigzag line is intersected with the lower end of one second mountain folding line, the second mountain folding lines uniformly divide the folding part into a plurality of same folding units, a notch is arranged in the middle of the upper edge of each folding unit, an inclined valley folding line is arranged in each folding unit, one end of each valley folding line extends to the notch, and the other end of each valley folding line is intersected with the end part of the corresponding zigzag line; the folded part after being laminated forms a through hole formed by splicing the notches in the middle of the upper end of the object containing part. The design of the zigzag line can effectively prevent the folding part from upwarping, so that the straw can be better fixed.
Description
Technical Field
The invention belongs to the technical field of cups, and particularly relates to a paper cup.
Background
The paper cup is widely applied to the market as a container, can contain dry goods (such as popcorn chicken, chicken nuggets and the like) and can also contain liquid (such as beverage, fruit juice and the like); the cup on the market usually has independent cup and independent bowl cover structure, but this kind of independent bowl cover needs to carry out solitary storage, and is very inconvenient when using.
In order to solve the problems, the invention with the patent number of 201821409767.X discloses a rotary opening and closing paper cup, wherein a first mountain folding line for folding is annularly arranged on the wall of the paper cup, and the wall of the paper cup is divided into a folding part close to the cup opening and a containing part close to the cup bottom by the first mountain folding line; locate a plurality of second mountain broken line in the folding portion, rim of a cup and first mountain broken line are connected respectively to the both ends of second mountain broken line, and the folding unit that a plurality of is the same is cut apart into with the folding portion to second mountain broken line is even, is equipped with the valley broken line of slope in the folding unit, and the upper end of valley broken line is connected with the edge of rim of a cup, and the lower extreme is connected with first mountain broken line.
Although the rotary opening and closing paper cup can be folded to form the cup cover to seal the paper cup, due to the structural limitation, the cup cover formed after being folded is easy to warp upwards, and cannot play a good sealing role; meanwhile, because the through hole surrounded by the folded middle part of the straw is polygonal, if the straw is placed, the contact surface between the hole wall of the through hole and the straw is small, and the straw cannot be well fixed.
Disclosure of Invention
The invention aims to provide a paper cup which is not easy to upwarp and has more stable straw connection.
The purpose of the invention is realized as follows:
the utility model provides a paper cup, includes the cup, be equipped with the first mountain broken line of arranging along circumference on the wall of cup, first mountain broken line is cut apart into the container portion with the wall of cup and can form the folding portion of bowl cover, its characterized in that: the folding device comprises a first folding unit, a second folding unit, a first mountain folding line, a second mountain folding line and a plurality of folding units, wherein the first mountain folding line comprises a plurality of zigzag lines which are sequentially connected and have two high ends and a low middle part, the folding units are provided with a plurality of second mountain folding lines which are vertically arranged, the end part of each zigzag line is intersected with the lower end of one second mountain folding line, the second mountain folding lines uniformly divide the folding units into a plurality of same folding units, the middle part of the upper edge of each folding unit is provided with an inward concave notch, each folding unit is provided with an inclined valley folding line, one end of each valley folding line extends to; folding unit is followed valley broken line valley and is rolled over, and two adjacent folding units are followed second mountain broken line mountain and are rolled over, and folding unit after folding is rotatory range upon range of with the circumferencial direction along first mountain broken line to cup center, and the folding portion after the range upon range of forms a through-hole by the concatenation of above-mentioned notch in the middle part of storage portion upper end.
The paper cup has the advantages that the first mountain folding lines are arranged into the plurality of sequentially connected zigzag lines, so that the inner end of each folding unit is not higher than an arc surface enclosed by the ends of the zigzag lines after each folding unit is folded inwards, the folded part after being folded can be effectively prevented from upwarping, and the stability and firmness of the folded part after being folded are higher; the zigzag lines comprise circular arcs, multi-section lines and similar lines; furthermore, the inner end of the folded folding unit is concave, so that the suction pipe inserted into the through hole can be effectively clamped, and the suction pipe cannot be easily separated from the through hole.
The folding part of the paper cup is uniformly divided into a plurality of identical folding units by the second mountain folding line, a notch is arranged in the middle of the upper edge of each folding unit, the shape of the notch can be circular arc, rectangular or V-shaped or the combination of the circular arc, the rectangular or V-shaped notch, and the design can ensure that the notches of two adjacent folding units can be overlapped after being folded along the second mountain folding line; one end of the valley fold line is connected with the notch, the extension line of the valley fold line can coincide with the circle center of the notch, the other end of the valley fold line is intersected with the end part of the corresponding zigzag line, the design can enable the folded part of the notch to coincide with the unfolded notch, the thickness of the folding part at the edge of the through hole is increased, the contact area between the folding part and the suction pipe inserted into the through hole can be increased while the structural strength of the folding part at the position is increased, and the stability and firmness of the connection between the suction pipe and the folding part are further improved; the intersection mentioned in the present invention may be a line-to-line intersection, a line-to-point intersection, or an extended line of the line-to-point intersection with another line or point.
In foretell paper cup, the notch shape be circular arc indent shape, form by the notch concatenation after folding and be circular shape through-hole, the middle part that the one end of millet broken line extended to in the notch makes the notch of millet broken line left and right sides divide into first concave line and second concave line, folding unit is along millet broken line valley back, first concave line and second concave line overlap and form range upon range of part, the pore wall thickness of through-hole includes range upon range of partial three-layer paper thickness.
The through hole is circular and can be more matched with the shape of the suction pipe, so that the contact area between the suction pipe and the folding part at the edge of the through hole is increased, the friction force between the suction pipe and the folding part is increased, and the connection stability of the folding part of the paper cup and the suction pipe can be further improved; in addition, after the contact area between the suction pipe and the folding part at the edge of the through hole is increased, the suction pipe and the through hole have better sealing performance, and the liquid in the containing part is prevented from spilling out from a gap between the suction pipe and the through hole; further, this paper cup forms the stromatolite part through first concave line and the partial overlap of second concave line, and this stromatolite part has three-layer paper thickness, three-layer paper possesses higher structural strength for individual layer or double-deck paper thickness, make the structural strength of the folded part after the stromatolite better, take place deformation around the through-hole when avoiding pulling out the insertion straw, and can play better supporting role to the straw after the straw inserts, can also increase the pore wall of through-hole and the area of contact of straw simultaneously, increase frictional force and leakproofness between the two, make the straw be difficult to break away from and the beverage in the paper cup spills from in this paper cup more easily.
In the paper cup, the thickness of the hole wall of the through hole is the thickness of three layers of paper of the laminated part; or the thickness of the wall of the through hole is the thickness of a single layer of paper and the thickness of three layers of paper of the laminated part which are alternately arranged.
When the included angle alpha of the second mountain folding line and the valley folding line is one third of the included angle beta corresponding to the notch, the thicknesses of the hole walls of the through holes are the thicknesses of three layers of paper of the laminated part; the hole wall with the thickness of three layers of paper can further improve the structural strength of the folding part, and the stability and the sealing property of connection between the through hole and the suction pipe.
In the paper cup, the notches (34) are rectangular or V-shaped, the notches (34) are spliced to form the serrated through holes (36) after being folded, the diameter of the straw is larger than that of a circle formed by the inner ends of the sawteeth, and the diameter of the straw is smaller than that of a circle formed by the outer ends of the sawteeth.
When the straw is inserted into the serrated through hole, the serrated part can be bent downwards along with the insertion of the straw, the contact surface with the straw is increased, and the straw can be firmly clamped, so that the straw is not easy to pull out, and the straw and the through hole are more firmly and stably connected.
In the paper cup, the left end and the right end of the upper edge of the folding unit are both provided with arc-shaped chamfers, and the lower ends of the chamfers are connected with the upper ends of the second mountain folding lines.
Folding unit after folding along first mountain broken line internal rotation range upon range of back, folding unit can follow valley broken line to second mountain broken line direction and increase gradually, the design of above-mentioned chamfer not only is convenient for carry out the mountain with folding portion along second mountain broken line and rolls over, it is more smooth and easy to make folding, the angle that can also make folding second mountain broken line upper end department form is circular-arcly, reduce the area of folding unit that this dog-ear is in the below and the distance of this dog-ear and folding unit's second mountain broken line of below, thereby avoid because there is too big extrusion force between this dog-ear and the folding unit of below and lead to folding unit at this dog-ear rupture variant or the sunken variant of folding unit of below, be favorable to reducing the folding degree of difficulty when rotatory range upon range of, make folding more smooth and easy, and still be favorable to increasing the firmness and the stability of folding portion after folding.
In the above paper cup, the diameter of the through hole is the same as that of the inserted straw.
The design that the diameter of the through hole is the same as that of the inserted straw can avoid the problems that the through hole cannot fix the straw or the straw is too thick to smoothly insert due to too thin straw and the like.
In the paper cup, the ends of the zigzag lines are all located in the same horizontal plane, and the radian and the radius of each zigzag line are the same.
The design of the position of the zigzag line and the radian can ensure that the folding unit can stably form a round hole matched with the suction pipe in the middle after being folded inwards along the zigzag line.
In the paper cup, the diameter of the zigzag line is the same as the diameter of the circle where all the arc straight end parts are located, and the center of the notch coincides with the center of the corresponding zigzag line.
The through hole that above-mentioned design can make the notch enclose is located the center of folding portion after folding, also can change the diameter of through hole through the diameter that changes the notch simultaneously, and is more convenient and fast to the design and the modification of through hole.
In the paper cup, the number of the folding units is six, the included angle α between the second mountain folding line and the valley folding line is 20-60 degrees, and the included angle β corresponding to the notch is 140 degrees.
When the number of the folding units is six, the included angle alpha between the second mountain folding line and the valley folding line is 40 degrees, and the included angle beta corresponding to the notch is 120 degrees, so that the thicknesses of the hole walls of the through holes are all the thicknesses of three layers of paper of the laminated part, and the structural strength of the edge folding part of the through hole is enhanced.
In the paper cup, the folded folding unit inclines towards the center of the cup body, and the position of the through hole is lower than the upper end of the containing part.
After the folded folding unit inclines towards the center of the cup body and the position of the through hole is lower than the upper end of the object containing part, if the position of the through hole needs to be moved upwards, a larger upward force needs to be applied to the through hole, so that the folded folding unit has better stability, the suction pipe inserted into the through hole can be effectively clamped, the suction pipe cannot be easily separated from the through hole, and the connection between the suction pipe and the through hole is firmer.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
according to the invention, the first mountain folding line is set into a plurality of sequentially connected zigzag lines, so that the inner end of each folding unit is not higher than an arc surface enclosed by the ends of the zigzag lines after each folding unit is folded inwards, the folded part after being folded can be effectively prevented from upwarping, and the stability and firmness of the folded part after being folded are higher;
the inner end of the folded folding unit is concave, so that the suction pipe inserted into the through hole can be effectively clamped, and the suction pipe cannot be easily separated from the through hole;
according to the invention, the arc-shaped notch is arranged on the mountain edge of each folding unit, so that the through holes formed by folding all the folding units are circular and are more matched with the shape of the suction pipe, the contact area between the suction pipe and the folding part at the edge of the through hole is increased, the friction force between the suction pipe and the folding part is increased, and the connection stability of the folding part of the paper cup and the suction pipe can be further improved; in addition, also can make and possess better leakproofness between straw and the through-hole behind the increase straw and the area of contact of this through-hole edge folded portion, avoid the liquid in the storage portion to spill from the gap of straw and through-hole.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the expanded structure of the present invention.
Fig. 3 is a top view of a first embodiment of the present invention.
Fig. 4 is a cross-sectional view at a through hole of an embodiment of the present invention.
Fig. 5 is a top view of a second embodiment of the present invention.
FIG. 6 is a cross-sectional view at a through-hole of an embodiment of the present invention.
Fig. 7 is a partially enlarged view of a portion a in fig. 1.
Fig. 8 is a top view of a third embodiment of the present invention.
In the figure, 1, a cup body; 2. a storage part; 3. a folding part; 31. a first mountain fold line; 311. a zigzag line; 32. a second mountain fold line; 33. a folding unit; 34. a recess; 341. a first concave line; 342. a second concave line; 35. valley fold lines; 36. a through hole; 37. chamfering; 4. a straw.
Detailed Description
The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 8:
this paper cup includes cup 1, is equipped with on the wall of cup 1 along the first mountain broken line 31 that circumference was arranged, and first mountain broken line 31 is cut apart into the wall of cup and is contained thing portion 2 and can form the folded portion 3 of bowl cover, its characterized in that: the first mountain folding line 31 comprises a plurality of zigzag lines 311 with two high ends and a low middle part which are connected in sequence, a plurality of second mountain folding lines 32 which are arranged vertically are arranged on the folding part 3, the end part of each zigzag line 311 is intersected with the lower end of one second mountain folding line 32, the second mountain folding lines 32 uniformly divide the folding part 3 into a plurality of same folding units 33, the middle part of the upper edge of each folding unit 33 is provided with an arc-shaped notch 34, each folding unit 33 is internally provided with an inclined valley folding line 35, one end of the valley folding line 35 extends to the notch 34, and the other end of the valley folding line 35 is intersected with the end part of the corresponding zigzag line 311; the folding units 33 are valley-folded along valley-folding lines 35, two adjacent folding units 33 are mountain-folded along second mountain-folding lines 32, the folded folding units 33 are rotationally stacked towards the center of the cup body 1 along first mountain-folding lines 31 in the circumferential direction, and the stacked folding parts 3 form a through hole 36 formed by splicing the notches 34 in the middle of the upper end of the containing part 2.
According to the paper cup, the first mountain folding lines 31 are arranged into the plurality of sequentially connected zigzag lines 311, so that the inner end of each folding unit 33 is not higher than an arc surface formed by the end parts of the zigzag lines 311 after each folding unit 33 is folded inwards, the folded part 3 after being folded can be effectively prevented from upwarping, and the stability and firmness of the folded part 3 are higher; the zigzag line 311 includes a circular arc, a plurality of segments, and the like; furthermore, because the inner end of the folded folding unit 33 is concave, the straw 4 inserted in the through hole 36 can be effectively clamped, so that the straw 4 cannot be easily removed from the through hole 36; meanwhile, as the arc-shaped notch 34 is arranged on the mountain edge of each folding unit 33, the through hole 36 formed by folding all the folding units 33 is circular and is more fit with the shape of the suction pipe 4, the contact area between the suction pipe 4 and the folding part 3 at the edge of the through hole 36 is increased, the friction force between the suction pipe and the folding part is increased, and the connection stability between the folding part 3 of the paper cup and the suction pipe 4 can be further improved; in addition, even after the contact area between the suction pipe 4 and the folded part 3 at the edge of the through hole 36 is increased, the better sealing performance between the suction pipe 4 and the through hole 36 can be achieved, and the liquid in the container 2 is prevented from spilling out of the gap between the suction pipe 4 and the through hole 36.
The folding part 3 is uniformly divided into a plurality of identical folding units 33 by the second mountain folding line 32 in the paper cup, the middle part of the upper edge of each folding unit 33 is provided with an arc-shaped notch 34, and the design can ensure that the notches 34 of two adjacent folding units 33 can be overlapped after being folded along the second mountain folding line 32; one end of the valley fold line 35 is connected with the notch 34, the extension line of the valley fold line can coincide with the circle center of the notch 34, and the other end of the valley fold line intersects with the end part of the corresponding zigzag line 311, so that the folded part of the notch 34 can coincide with the unfolded notch 34, the thickness of the folded part 3 at the edge of the through hole 36 can be increased, the structural strength of the folded part 3 at the position can be increased, meanwhile, the contact area between the folded part 3 and the straw 4 inserted into the through hole 36 can be increased, and the stability and firmness of the connection between the straw 4 and the folded part 3 can be further improved; the intersection mentioned in the present invention may be a line-to-line intersection, a line-to-point intersection, or an extended line of the line-to-point intersection with another line or point.
As shown in fig. 1 to 6, the left and right ends of the upper edge of the folding unit 33 are provided with arc-shaped chamfers 37, and the lower ends of the chamfers 37 are connected with the upper end of the second mountain folding line 32. When the folded folding units 33 are folded while being rotated inward along the first mountain folding line 31, the folding units 33 are gradually heightened from the valley folding line 35 toward the second mountain folding line 32, the design of the chamfer 37 not only facilitates the folding of the folding part 3 along the second mountain folding line 32 to make the folding smoother, but also enables the angle formed at the upper end of the folded second mountain folding line 32 to be arc-shaped, reduces the area of the folding unit 33 with the folding angle below and the distance between the folding angle and the second mountain folding line 32 of the folding unit 33 below, therefore, the folding unit 33 is prevented from being broken at the folding angle or being recessed at the folding unit 33 below due to overlarge extrusion force between the folding unit 33 at the folding angle, the folding difficulty during rotating and stacking is reduced, the folding is smoother, and the firmness and stability of the folded part 3 after folding are improved.
As shown in fig. 1 and 2, the ends of the meander lines 311 are all located in the same horizontal plane, and the arc and radius of each meander line 311 are the same; the diameter of the meander line 311 is the same as the diameter of the circle on which all the circular arc straight ends lie, and the center of the notch 34 coincides with the center of the corresponding meander line 311. The design of the position and the radian of the zigzag line 311 can ensure that the folding unit 33 can stably form a circular hole matched with the suction pipe 4 in the middle after being folded inwards along the zigzag line 311; the through hole 36 surrounded by the notch 34 can be positioned in the center of the folded part 3 through the design, and the diameter of the through hole 36 can be changed by changing the diameter of the notch 34, so that the design and the modification of the through hole 36 are more convenient and quicker.
As shown in fig. 4 and 6, the folded folding unit 33 is inclined toward the center of the cup body 1, and the through hole 36 is positioned lower than the upper end of the container 2; the diameter of the through hole 36 is the same as that of the inserted straw 4. After the folded folding unit 33 inclines towards the center of the cup body 1 and the position of the through hole 36 is lower than the upper end of the object containing part 2, if the position of the through hole 36 needs to be moved upwards, a larger upward force needs to be applied to the through hole 36, so that the folded folding part 3 has better stability, and the suction pipe 4 inserted in the through hole 36 can be effectively clamped, so that the suction pipe 4 cannot be easily separated from the through hole 36, and the connection between the suction pipe 4 and the through hole 36 is firmer; the design of the through hole 36 having the same diameter as the diameter of the inserted straw 4 can avoid the problem that the through hole 36 cannot fix the straw 4 due to the thinness of the straw 4 or the problem that the straw 4 cannot be inserted smoothly due to the coarseness of the straw 4.
As shown in fig. 3 to 6, one end of the valley folding line 35 extends to the middle of the recess 34 to divide the recess 34 on the left and right sides of the valley folding line 35 into a first concave line 341 and a second concave line 342, and after the folding unit 33 is valley-folded along the valley folding line 35, the first concave line 341 and the second concave line 342 overlap and form a stacked portion, and the wall thickness of the through hole 36 includes three-ply paper thickness of the stacked portion. This paper cup forms the stromatolite part through first concave line 341 and the partial superpose of second concave line 342, and this stromatolite part has three-layer paper thickness, three-layer paper possesses higher structural strength for individual layer or double-deck paper thickness, the structural strength who makes folded part 3 after the lamination is better, take place deformation around through-hole 36 when avoiding pulling out and inserting straw 4, and can play better supporting role to straw 4 after straw 4 inserts, can also increase the pore wall of through-hole 36 and straw 4's area of contact simultaneously, increase frictional force and leakproofness between the two, make straw 4 be difficult to break away from and the beverage in the paper cup spills from this paper cup in more difficult.
Example one
As shown in fig. 3 and 4, the wall thickness of the through hole 36 is a single-layer sheet thickness and a triple-layer sheet thickness of the laminated portion alternately arranged.
Example two
As shown in fig. 5 and 6, the wall thicknesses of the through holes 36 are all three-layer sheet thicknesses of the laminated portion. Furthermore, there are six folding units 33, the included angle α between the second mountain folding line 32 and the valley folding line 35 is 40 degrees, and the included angle β corresponding to the notch 34 is 120 degrees.
When the included angle α between the second mountain folding line 32 and the valley folding line 35 is one third of the included angle β corresponding to the notch 34, the thicknesses of the hole walls of the through holes 36 are all the thicknesses of three layers of paper of the laminated part; the hole walls with the thickness of three layers of paper can further improve the structural strength of the folding part 3, and the stability and the sealing property of the connection between the through hole 36 and the suction pipe 4; specifically, when the number of the folding units 33 is six, the included angle α between the second mountain folding line 32 and the valley folding line 35 is 40 degrees, and the included angle β corresponding to the notch 34 is 120 degrees, so that the thicknesses of the hole walls of the through holes 36 are all the thicknesses of three layers of paper of the stacked part, which is beneficial to enhancing the structural strength of the edge folding part 3 of the through hole 36.
EXAMPLE III
As shown in FIG. 8, the through hole 36 is saw-toothed, the diameter of the straw 4 is larger than the diameter of the circle surrounded by the inner ends of the saw teeth, and the diameter of the straw 4 is smaller than the diameter of the circle surrounded by the outer ends of the saw teeth. When the straw 4 is inserted into the serrated through hole 36, the serrated part can be bent downwards along with the insertion of the straw 4, so that the contact surface with the straw 4 is increased, the straw 4 can be firmly clamped, the straw 4 is not easy to pull out, and the straw 4 and the through hole 36 are more firmly and stably connected.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a paper cup, includes cup (1), be equipped with on the wall of cup (1) along first mountain broken line (31) that circumference was arranged, first mountain broken line (31) are cut apart into storage portion (2) and folding portion (3) that can form the bowl cover with the wall of cup, its characterized in that: the folding device is characterized in that the first mountain folding line (31) comprises a plurality of zigzag lines (311) with two high ends and a low middle part, which are connected in sequence, a plurality of second mountain folding lines (32) are arranged on the folding part (3), the end part of each zigzag line (311) is intersected with the lower end of one second mountain folding line (32), the second mountain folding lines (32) uniformly divide the folding part (3) into a plurality of same folding units (33), a concave opening (34) which is concave inwards is arranged in the middle of the upper edge of each folding unit (33), each folding unit (33) is internally provided with an inclined valley folding line (35), one end of each valley folding line (35) extends to the corresponding concave opening (34), and the other end of each valley folding line is intersected with the end part of the corresponding zigzag line (311); folding unit (33) are folded along valley broken line (35) valley, and two adjacent folding units (33) are folded along second mountain broken line (32) mountain, and folding unit (33) after folding are rotatory range upon range of with the circumferencial direction along first mountain broken line (31) to cup (1) center, and folding portion (3) after the range upon range of forms one at the middle part of storage portion (2) upper end by through-hole (36) that above-mentioned notch (34) concatenation formed.
2. The paper cup according to claim 1, wherein: notch (34) shape be the circular arc concave shape, form by notch (34) concatenation after folding and be circular shape through-hole (36), the middle part that the one end of valley broken line (35) extended to in notch (34) makes the notch of valley broken line (35) left and right sides divide into first valley line (341) and second valley line (342), folding unit (33) are followed valley broken line (35) valley and are rolled over the back, first valley line (341) and second valley line (342) overlap and form range upon range of part, the pore wall thickness of through-hole (36) includes range upon range of partial three-layer paper thickness.
3. The paper cup according to claim 2, wherein: the thickness of the wall of the through hole (36) is the thickness of three layers of paper of the laminated part; or the wall thickness of the through hole (36) is a single-layer paper thickness and a three-layer paper thickness of the laminated part which are alternately arranged.
4. The paper cup according to claim 3, wherein: the number of the folding units (33) is six, the included angle alpha between the second mountain folding line (32) and the valley folding line (35) is 20-60 degrees, and the included angle beta corresponding to the notch (34) is 100-140 degrees.
5. The paper cup according to claim 1, wherein: the notch (34) is rectangular or V-shaped, and after being folded, the notch (34) is spliced to form a saw-toothed through hole (36).
6. A paper cup according to any one of claims 1 to 5, wherein: both ends all are equipped with circular-arc chamfer (37) about folding unit (33) upper edge, the lower extreme of chamfer (37) links to each other with the upper end of second mountain broken line (32).
7. A paper cup according to any one of claims 1 to 5, wherein: the ends of the zigzag lines (311) are all located in the same horizontal plane, and the radian and the radius of each zigzag line (311) are the same.
8. The paper cup according to claim 7, wherein: the diameter of the zigzag line (311) is the same as the diameter of the circle where the end part of all the circular arc straight lines is located, and the circle center of the notch (34) is superposed with the circle center of the corresponding zigzag line (311).
9. A paper cup according to any one of claims 1 to 5, wherein: the folded folding unit (33) inclines towards the center of the cup body (1), and the position of the through hole (36) is lower than the upper end of the object containing part (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011402142.2A CN112644838A (en) | 2020-12-02 | 2020-12-02 | Paper cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011402142.2A CN112644838A (en) | 2020-12-02 | 2020-12-02 | Paper cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112644838A true CN112644838A (en) | 2021-04-13 |
Family
ID=75350875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011402142.2A Pending CN112644838A (en) | 2020-12-02 | 2020-12-02 | Paper cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112644838A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232364A (en) * | 2021-06-07 | 2021-08-10 | 湖北克拉弗特实业有限公司 | Cup cover bending device for paper cup |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1408714A (en) * | 1973-01-31 | 1975-10-01 | Bowater Packaging Ltd | Cartons |
| US4850528A (en) * | 1987-02-05 | 1989-07-25 | Hanus John P | Self-locking container closure |
| WO2001026980A1 (en) * | 1999-10-14 | 2001-04-19 | Huhtamaki Van Leer Spain S.A. | Discardable cup |
| US20090114710A1 (en) * | 2007-11-06 | 2009-05-07 | Lang Robert J | Container with integral foldable locking closure |
| US20200369429A1 (en) * | 2019-05-21 | 2020-11-26 | Origamicup Oy | Blank for forming disposable cup and disposable cup |
| CN214268291U (en) * | 2020-12-02 | 2021-09-24 | 湖北克拉弗特实业有限公司 | Paper cup |
-
2020
- 2020-12-02 CN CN202011402142.2A patent/CN112644838A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1408714A (en) * | 1973-01-31 | 1975-10-01 | Bowater Packaging Ltd | Cartons |
| US4850528A (en) * | 1987-02-05 | 1989-07-25 | Hanus John P | Self-locking container closure |
| WO2001026980A1 (en) * | 1999-10-14 | 2001-04-19 | Huhtamaki Van Leer Spain S.A. | Discardable cup |
| US20090114710A1 (en) * | 2007-11-06 | 2009-05-07 | Lang Robert J | Container with integral foldable locking closure |
| US20200369429A1 (en) * | 2019-05-21 | 2020-11-26 | Origamicup Oy | Blank for forming disposable cup and disposable cup |
| CN214268291U (en) * | 2020-12-02 | 2021-09-24 | 湖北克拉弗特实业有限公司 | Paper cup |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232364A (en) * | 2021-06-07 | 2021-08-10 | 湖北克拉弗特实业有限公司 | Cup cover bending device for paper cup |
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