Paper lining with adjustable inner hole of packing box
Technical Field
The utility model belongs to the technical field of the carton packing and specifically relates to a paper inside lining with adjustable hole of packing carton.
Background
The plastic suction or paper-plastic lining is fixed on the product in the packing box, so that the cost for manufacturing the plastic suction or paper-plastic mould is higher, and the packing cost is higher; the cost can be reduced by fixing the product in the packaging box by using the paper lining; the structure of the paper liner is known from a folded paper liner disclosed in utility model of chinese patent application No. 201922398273.7; the traditional paper lining has the defects that the size of an inner hole for fixing a product is fixed, and the size of the inner hole cannot be correspondingly adjusted when the sizes of the products are different; therefore, when the product size is different, the inner hole size of the inner hole of the packing box can be correspondingly adjusted, and the problem to be solved urgently is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming present paper inside lining and having the hole size of fixed product fixed, the product size is different, and the hole size can not carry out not enough of corresponding adjustment, provides a product size is different, and the hole size can carry out the adjustable paper inside lining of hole of the packing carton of corresponding adjustment.
The utility model has the following specific technical scheme:
a paper liner with adjustable inner hole of a packing box, comprising: the packing box comprises two lining pieces arranged in the packing box; the lining member includes: the adjustable side supporting legs are arranged on the outer side of the end lining plate and correspond to the two ends of the end lining plate one by one; the length of the side lining plate is less than that of the side plate of the packing box; the length of the end lining plate is less than that of the end plate of the packing box; the included angle between the side lining plate and the end lining plate is a right angle; the outer ends of the adjustable side supporting feet of the two lining pieces correspondingly prop against two side plates of the packing box one by one; the outer ends of the adjustable end supporting feet of the two lining pieces correspondingly prop against the two end plates of the packing box one by one; an inner hole for fixing a product is formed between the side lining plates and the end lining plates of the two lining pieces.
Preferably, a lining plate folding line is arranged at the intersection of one side end of the side lining plate and one side end of the end lining plate.
Preferably, the adjustable side supporting foot comprises: the side lining plate comprises a first side folded plate, a second side folded plate and a side connecting plate, wherein one end of the first side folded plate is integrally connected with one end of the side lining plate, one end of the second side folded plate is integrally connected with the other end of the first side folded plate, and one end of the side connecting plate is integrally connected with the other end of the second side folded plate and is connected with the outer side of the side lining plate.
Preferably, the first side folding plate and the second side folding plate are the same in size, and the cross section of the adjustable side supporting foot is in the shape of an isosceles triangle with a vertex angle abutting against a side plate of the packaging box.
Preferably, the intersection of one end of the first side folding plate and one end of the side lining plate, the intersection of one end of the second side folding plate and the other end of the first side folding plate, and the intersection of one end of the side connecting plate and the other end of the second side folding plate are all provided with side supporting foot folding lines.
Preferably, the side connecting plates are bent outwards or inwards and connected with the outer sides of the side lining plates.
Preferably, the adjustable end brace comprises: the end connecting plate comprises a first end folded plate, a second end folded plate and an end connecting plate, wherein one end of the first end folded plate is integrally connected with one end of the end lining plate, one end of the second end folded plate is integrally connected with the other end of the first end folded plate, and one end of the end connecting plate is integrally connected with the other end of the second end folded plate and is connected with the outer side of the end lining plate.
Preferably, the first end folding plate and the second end folding plate are the same in size, and the cross section of the adjustable side supporting foot is in the shape of an isosceles triangle with a vertex angle abutting against an end plate of the packaging box.
Preferably, end supporting leg folding lines are arranged at the intersection of one end of the first end folding plate and one end of the end lining plate, the intersection of one end of the second end folding plate and the other end of the first end folding plate, and the intersection of one end of the end connecting plate and the other end of the second end folding plate.
Preferably, the end connecting plate is bent outwards or inwards and is connected with the outer side of the end lining plate.
The method for forming the paper lining of the paper lining with the adjustable inner hole of the packing box comprises the following steps of (1) blanking lining plate pieces comprising side lining plates, end lining plates, two first side folded plates, two second side folded plates, two side connecting plates, two first end folded plates, two second end folded plates and two end connecting plates; (2) pressing lining plate folding lines, side supporting leg folding lines and end supporting leg folding lines on the lining plate; (3) the intersection of one end of the first side folded plate and one end of the side lining plate, the intersection of one end of the second side folded plate and the other end of the first side folded plate and the intersection of one end of the side connecting plate and the other end of the second side folded plate are bent along the folding line of the side supporting leg to form an adjustable side supporting leg, the height of the adjustable side supporting leg is determined according to the width requirement of an inner hole for fixing a product, and the side connecting plate is connected with the outer side of the side lining plate; the intersection of one end of the first end folded plate and one end of the end lining plate, the intersection of one end of the second end folded plate and the other end of the first end folded plate and the intersection of one end of the end connecting plate and the other end of the second end folded plate are bent along the folding line of the end supporting leg to form an adjustable end supporting leg, the height of the adjustable end supporting leg is determined according to the length requirement of an inner hole for fixing a product, and the end connecting plate is connected with the outer side of the end lining plate; the side lining plate and the end lining plate are bent along the broken line of the lining plate to form a lining part, and the included angle between the side lining plate and the end lining plate is a right angle; (4) placing the two inner liners in a package; the outer ends of two adjustable side supporting feet of one lining part respectively prop against one side plate of the packing box, and the outer ends of two adjustable end supporting feet of one lining part respectively prop against one end plate of the packing box; the outer ends of the two adjustable side supporting feet of the other lining piece respectively support against the other side plate of the packing box, and the outer ends of the two adjustable end supporting feet of the other lining piece respectively support against the other end plate of the packing box; an inner hole for fixing a product is formed between the side lining plates and the end lining plates of the two lining pieces.
Compared with the prior art, the beneficial effects of the utility model are that: the paper inside lining with adjustable hole of packing carton, through the height of the adjustable side spike of adjustment, and the side connecting plate is connected with the side welt outside, can adjust the width that is used for the hole of fixed product, through the height of the adjustable end spike of adjustment, and the end connecting plate is connected with the end welt outside, can adjust the length that is used for the hole of fixed product, product size is different, the hole size can carry out corresponding adjustment. The cross section shape of the adjustable side supporting foot is an isosceles triangle of which the vertex angle supports against a side plate of the packaging box, the cross section shape of the adjustable side supporting foot is an isosceles triangle of which the vertex angle supports against an end plate of the packaging box, the stability is good, and the height of the adjustable side supporting foot are convenient to adjust. The lining plate folding lines enable the side lining plates and the end lining plates to be easily bent and the folding lines are neat.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an expanded view of the liner;
FIG. 3 is a schematic view of the structure of the side connection plate bending outward to connect with the side lining plate;
FIG. 4 is a schematic view of the end webs being bent inwardly to connect with the end liners.
In the figure: packing carton 1, interior welt 2, side lining board 3, end lining board 4, adjustable side arm brace 5, adjustable end arm brace 6, curb plate 7, end plate 8, hole 9, lining board broken line 10, first side folded plate 11, second side folded plate 12, side connecting plate 13, side arm brace broken line 14, first end folded plate 15, second end folded plate 16, end connecting plate 17, end arm brace broken line 18.
Detailed Description
The invention will be further described with reference to the drawings.
As shown in the attached figures 1, 2, 3 and 4: a paper liner with adjustable inner hole of a packing box, comprising: a packing box 1, two lining members 2 arranged in the packing box 1; the lining member 2 includes: the side lining plate 3, an end lining plate 4 with one side end integrally connected with one side end of the side lining plate 3, two adjustable side supporting feet 5 which are arranged outside the side lining plate 3 and correspond to two ends of the side lining plate 3 one by one, and two adjustable end supporting feet 6 which are arranged outside the end lining plate 4 and correspond to two ends of the end lining plate 4 one by one; the length of the side lining plate 3 is less than that of the side plate 7 of the packing box 1; the length of the end lining plate 4 is less than that of the end plate 8 of the packing box 1; the included angle between the side lining plate 3 and the end lining plate 4 is a right angle; the outer ends of the adjustable side supporting feet 5 of the two lining pieces 2 are correspondingly propped against two side plates 7 of the packing box 1 one by one; the outer ends of the adjustable end supporting feet 6 of the two lining pieces 2 are correspondingly propped against the two end plates 8 of the packing box 1 one by one; an inner hole 9 for fixing the product is formed between the side lining plates 3 and the end lining plates 4 of the two lining elements 2.
The crossed part of one side end of the side lining plate 3 and one side end of the end lining plate 4 is provided with a lining plate broken line 10.
The adjustable side arm brace 5 comprises: a first side folding plate 11 with one end integrally connected with one end of the side lining plate 3, a second side folding plate 12 with one end integrally connected with the other end of the first side folding plate 11, and a side connecting plate 13 with one end integrally connected with the other end of the second side folding plate 12 and connected with the outer side of the side lining plate 3.
The first side folding plate 11 and the second side folding plate 12 have the same size, and the cross section of the adjustable side supporting foot 5 is in the shape of an isosceles triangle with a vertex angle abutting against the side plate 7 of the packing box 1.
The intersection of one end of the first side folding plate 11 and one end of the side lining plate 3, the intersection of one end of the second side folding plate 12 and the other end of the first side folding plate 11, and the intersection of one end of the side connecting plate 13 and the other end of the second side folding plate 12 are all provided with side supporting foot folding lines 14.
The side connecting plate 13 is bent outwards or inwards and is connected with the outer side of the side lining plate 3.
The adjustable end supporting foot 6 comprises: a first end folding plate 15 with one end integrally connected with one end of the end lining plate 4, a second end folding plate 16 with one end integrally connected with the other end of the first end folding plate 15, and an end connecting plate 17 with one end integrally connected with the other end of the second end folding plate 16 and connected with the outer side of the end lining plate 4.
The first end folding plate 15 and the second end folding plate 16 have the same size, and the cross section of the adjustable side supporting foot 5 is in the shape of an isosceles triangle of which the vertex angle is propped against the end plate 8 of the packing box 1.
And end supporting leg folding lines 18 are arranged at the intersection of one end of the first end folding plate 15 and one end of the end lining plate 4, the intersection of one end of the second end folding plate 16 and the other end of the first end folding plate 15 and the intersection of one end of the end connecting plate 17 and the other end of the second end folding plate 16.
The end connecting plate 17 is bent outwards or inwards and is connected with the outer side of the end lining plate 4.
The forming method of the paper lining with the adjustable inner hole comprises the following steps of (1) blanking lining plate plates comprising a side lining plate 3, an end lining plate 4, two first side folded plates 11, two second side folded plates 12, two side connecting plates 13, two first end folded plates 15, two second end folded plates 16 and two end connecting plates 17; (2) pressing lining plate folding lines 10, side supporting leg folding lines 14 and adjustable end supporting leg 6 folding lines on the lining plate; (3) the intersection of one end of a first side folding plate 11 and one end of a side lining plate 3, the intersection of one end of a second side folding plate 12 and the other end of the first side folding plate 11 and the intersection of one end of a side connecting plate 13 and the other end of the second side folding plate 12 are bent along a side supporting leg folding line 14 to form an adjustable side supporting leg 5, the height of the adjustable side supporting leg 5 is determined according to the width requirement of an inner hole 9 for fixing a product, an adhesive is coated on the corresponding position of the outer side of the side lining plate 3, and the side connecting plate 13 is bonded with the outer side of the side lining plate 3; the intersection of one end of the first end folded plate 15 and one end of the end lining plate 4, the intersection of one end of the second end folded plate 16 and the other end of the first end folded plate 15 and the intersection of one end of the end connecting plate 17 and the other end of the second end folded plate 16 are bent along the folding line of the adjustable end supporting foot 6 to form the adjustable end supporting foot 6, the height of the adjustable end supporting foot 6 is determined according to the length requirement of an inner hole 9 for fixing a product, the corresponding position of the outer side of the end lining plate 4 is coated with an adhesive, and the end connecting plate 17 is adhered to the outer side of the end lining plate 4; the side lining plate 3 and the end lining plate 4 are bent along a lining plate folding line 10 to form a lining part 2, and the included angle between the side lining plate 3 and the end lining plate 4 is a right angle; (4) placing two lining members 2 in the packaging box 1; the outer ends of two adjustable side supporting feet 5 of one lining element 2 respectively support against one side plate 7 of the packaging box 1, and the outer ends of two adjustable end supporting feet 6 of one lining element 2 respectively support against one end plate 8 of the packaging box 1; the outer ends of the two adjustable side supporting feet 5 of the other lining element 2 respectively support against the other side plate 7 of the packing box 1, and the outer ends of the two adjustable end supporting feet 6 of the other lining element 2 respectively support against the other end plate 8 of the packing box 1; an inner hole 9 for fixing the product is formed between the side lining plates 3 and the end lining plates 4 of the two lining elements 2.
The paper inside lining with adjustable hole of packing carton, through the height of the adjustable side spike of adjustment, and the side connecting plate is connected with the side welt outside, can adjust the width that is used for the hole of fixed product, through the height of the adjustable end spike of adjustment, and the end connecting plate is connected with the end welt outside, can adjust the length that is used for the hole of fixed product, product size is different, the hole size can carry out corresponding adjustment. The cross section shape of the adjustable side supporting foot is an isosceles triangle of which the vertex angle supports against a side plate of the packaging box, the cross section shape of the adjustable side supporting foot is an isosceles triangle of which the vertex angle supports against an end plate of the packaging box, the stability is good, and the height of the adjustable side supporting foot are convenient to adjust. The lining plate folding lines enable the side lining plates and the end lining plates to be easily bent and the folding lines are neat.
In addition to the above embodiments, the technical features or technical data of the present invention can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute new embodiments, which can be realized by those skilled in the art without creative efforts, and therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.