CN115339736A

CN115339736A - Traceless packaging type corrugated carton

Info

Publication number: CN115339736A
Application number: CN202210984982.7A
Authority: CN
Inventors: 孔健
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-11-15

Abstract

The invention discloses a traceless packaging type corrugated case, which belongs to the field of corrugated cases, wherein double-section ropes are connected to an outer cover plate, the other ends of the double-section ropes with elasticity are transversely arranged between a pressing plate and the inner bottom surface of a case body, the pressing plate is supported by a sliding pad plate before articles are placed, the double-section ropes can be freely stretched between the pressing plate and the case body, the outer cover plate is freely opened, the sliding pad plate is displaced after the articles are placed, the pressing plate is attached to the inner bottom surface of the case body under the action of the gravity of the articles, the double-section ropes are comprehensively pressed to prevent the double-section ropes from being stretched, the outer cover plate loses the capability of being freely opened, and the double-section ropes are tightly pressed on the articles, so that the packaging effect is effectively realized.

Description

Traceless packaging type corrugated carton

Technical Field

The invention relates to the field of corrugated cartons, in particular to a traceless packaging type corrugated carton.

Background

The corrugated paper board is made into a corrugated paper box through die cutting, indentation, box nailing or box gluing. The corrugated paper box is a packaging product which is widely applied, and the corrugated paper box gradually replaces transport packaging containers such as wooden boxes and the like by the excellent service performance and good processing performance of the corrugated paper box, so that the corrugated paper box becomes a prime force for transport packaging. The novel environment-friendly storage box not only protects commodities and is convenient to store and transport, but also beautifies the commodities and publicizes the commodities, belongs to an environment-friendly product and is convenient to load, unload and transport.

The existing corrugated case generally adopts adhesive tape packaging or adopts a zipper case, the adhesive tape packaging limitation is large, the corrugated case can not be normally used under the condition without adhesive tape, the paper case skin can be torn off along with the adhesive tape when the adhesive tape is torn off, the integrity of the paper case is damaged, the zipper case has a large notch when being closed again after being unsealed, the adhesive tape is also used for sealing when the zipper case is required to be used for the second time, and thus, the problem of large difficulty is caused by the repeated packaging use of the paper case.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to solve the problems in the prior art, and provides a traceless packaging type corrugated carton which is characterized in that a double-section rope is connected to an outer cover plate, the other end of the double-section rope with elasticity is transversely arranged between a pressing plate and the inner bottom surface of a box body, the pressing plate is supported by a sliding backing plate before an article is placed, the double-section rope can be freely stretched between the pressing plate and the box body, the outer cover plate is freely opened, the sliding backing plate is displaced after the article is placed, the pressing plate is attached to the inner bottom surface of the box body under the action of the gravity of the article, the double-section rope is comprehensively pressed, the stretching of the double-section rope is blocked, the outer cover plate loses the capability of freely opening, and the double-section rope is tightly pressed on the article, so that the packaging effect is effectively realized.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A traceless packaging type corrugated carton comprises a box body, wherein the upper end of the box body is integrally connected with a pair of inner cover plates and a pair of outer cover plates, a pressing plate and a pair of sliding base plates are placed at the inner bottom of the box body, the sliding base plates are positioned between the inner bottom surface of the box body and the pressing plate, the inner end of each outer cover plate is fixedly connected with a pair of double-section ropes, one ends of the double-section ropes, far away from the outer cover plates, transversely penetrate through a gap between the inner bottom surface of the box body and the pressing plate and movably penetrate through the inner wall of the box body from inside to outside until the double-section ropes extend out of the outer side of the box body, the end parts of the double-section ropes are fixedly connected with transverse rods, and the transverse rods are positioned on the outer side of the box body;

the use method of the corrugated case comprises the following steps:

s1, before articles are placed, a pair of slide bearing plates move towards a direction close to each other and are supported at the lower end of a pressing plate, so that a gap is reserved between the pressing plate and the inner bottom surface of a box body;

s2, opening the outer cover plate, placing the article to be packaged into the box body when the double-section rope is in a heavy stretching state, and placing the article to be packaged at the upper end of the pressing plate;

s3, after the articles are completely put in, sequentially covering the inner cover plate and the outer cover plate, wherein the outer cover plate can automatically press the upper ends of the inner cover plate and the articles under the elastic action of the double-section ropes, and the double-section ropes are in a slight stretching state;

s4, fingers stretch into the space between the outer cover plate and the box body, the sliding pad plates are moved in the direction away from each other until the sliding pad plates are attached to the inner wall of the box body, the sliding pad plates are located in the concave area of the lower side of the pressing plate at the moment, the pressing plate moves downwards under the gravity of the object and is attached to the inner bottom surface of the box body, gravity pressing is conducted on the double-section rope, the double-section rope is prevented from being stretched again, and the outer cover plate is not prone to opening.

Further, the pressing plate comprises a flat plate and a pair of corner plates, and the flat plate is fixedly connected between the pair of corner plates.

Furthermore, the sliding pad plate comprises a transverse plate and a pair of vertical rods, the vertical rods are fixedly connected to the upper end of the transverse plate and are respectively close to a pair of end portions of the transverse plate, and the pressing plate is located between the pair of vertical rods.

Furthermore, one end of the pair of transverse plates, which is close to each other, is in a downward inclined state, and the space area formed by the folded angle plate and the pair of inner walls of the box body is matched with the transverse plates.

Furthermore, the two sections of ropes comprise an inelastic rope and an elastic pull rope which are fixedly connected with each other, one end of the inelastic rope, far away from the elastic pull rope, is fixedly connected with the outer cover plate, and one end of the elastic pull rope, far away from the inelastic rope, is fixedly connected with the transverse rod.

Furthermore, the initial length of the elastic pull rope is smaller than the length of the box body, and the length of the inelastic rope is larger than the inner depth of the box body.

Furthermore, a plurality of ball grooves which are uniformly distributed are formed in the lower end of the transverse plate, balls are rotatably connected to the inner portions of the ball grooves, and the diameters of the balls are larger than the caliber of the groove openings of the ball grooves.

Furthermore, the rope hole has all been seted up to a pair of side of box, the inner wall fixedly connected with tubule in rope hole, elasticity stay cord sliding connection is in the inside of tubule, the interior bottom surface position that the tubule is close to the box.

Further, the inner cover plate is composed of a pair of cover plates, gaps are reserved between the side ends of the cover plates and the outer cover plate and between the pair of cover plates, and the vertical rods are located between the adjacent outer cover plates and the cover plates.

Furthermore, the inner surface of the outer cover plate is fixedly connected with a hard sheet, and the end part of the inelastic string is fixedly connected with the hard sheet.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) According to the scheme, the double-section rope is connected to the outer cover plate, the other end of the double-section rope with elasticity is transversely arranged between the pressing plate and the inner bottom surface of the box body, the pressing plate is supported by the sliding pad plate before articles are placed, the double-section rope can be freely stretched between the pressing plate and the box body, the outer cover plate can be freely opened, after the articles are placed, the sliding pad plate is shifted, the pressing plate is attached to the inner bottom surface of the box body under the action of gravity of the articles, the double-section rope between the pressing plate and the box body is comprehensively pressed to prevent the pressing of the double-section rope, the outer cover plate loses the capability of freely opening, and the outer cover plate is tightly pressed on the articles, so that the packaging effect is effectively achieved.

(2) When outer apron horizontal cover was established in the box upper end, the slight stretching state of two festival ropes, can know from this that the elasticity stay cord is in slight extension state this moment, and no elasticity rope is in the state of flare-outing, and outer apron can compress tightly in the box upper end under the elasticity of elasticity stay cord, and slight stretching's elasticity stay cord is located dull and stereotyped downside completely this moment, makes things convenient for the flat board to its comprehensive suppression.

(3) Insert between outer apron and the box with the finger from outer apron side, promote the montant of box edge, make it drive the diaphragm and move to box inner wall department, get into the depressed area of clamp plate downside, the clamp plate can move down to laminating with the box inner bottom surface under article gravity action this moment, tightly suppresses the elasticity stay cord of slight stretching state, makes it difficult continuation tensile for outer apron is difficult upwards to open, thereby effectively realizes the encapsulation effect.

(4) When article are taken out to outer apron opening in needs, can violently put the box, make outer apron become to be located side by being located the top, simultaneously, the clamp plate of bottom also becomes to be located side by being located the downside, and article gravity no longer exerts on the clamp plate for the elasticity stay cord no longer receives great holding power, has certain stretching power again, makes outer apron reopen, takes out article.

(5) The setting through hard thin slice can make the two section ropes become the face effort between hard thin slice and the outer apron to the some effort of outer apron junction, can make the outer apron atress more even on the one hand, and the encapsulation is more stable, and on the other hand can reduce the local destructive power of outer apron pulling force to the box, has the guard action to the box.

Drawings

FIG. 1 is a schematic view of the package of the present invention;

FIG. 2 is a first perspective view of the present invention;

FIG. 3 is a second perspective view of the present invention;

FIG. 4 is a perspective view of the skid plate and pressure plate of the present invention;

FIG. 5 is a third perspective view of the present invention;

FIG. 6 is a first schematic diagram of the front side structure of the present invention;

FIG. 7 is a second schematic front view of the present invention;

FIG. 8 is a fourth perspective view of the present invention;

FIG. 9 is a schematic view of a partial side view of the skid plate of the present invention;

fig. 10 is a partial perspective view of the present invention with a hard sheet provided.

The reference numbers in the figures illustrate:

the device comprises a box body 1, a thin tube 101, an outer cover plate 2, a double-section rope 3, an inelastic rope 31, an elastic pull rope 32, a sliding base plate 4, a transverse plate 41, a vertical rod 42, a ball 43, a pressing plate 5, a folded angle plate 51, a flat plate 52, a cover plate 6, a transverse rod 7 and a hard sheet 8.

Detailed Description

The drawings in the embodiments of the invention will be incorporated below; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, a traceless packaging type corrugated carton comprises a box body 1, wherein the upper end of the box body 1 is integrally connected with an inner pair of cover plates and an outer pair of cover plates 2, a pressing plate 5 and a pair of sliding pad plates 4 are placed at the inner bottom of the box body 1, the sliding pad plates 4 are positioned between the inner bottom surface of the box body 1 and the pressing plate 5, the inner end of the outer cover plates 2 is fixedly connected with a pair of double-section ropes 3, one ends, far away from the outer cover plates 2, of the double-section ropes 3 transversely penetrate through a gap between the inner bottom surface of the box body 1 and the pressing plate 5 and movably penetrate through the inner wall of the box body 1 from inside to outside until the outer side of the box body 1 is extended, the end parts of the double-section ropes 3 are fixedly connected with transverse rods 7, the transverse rods 7 are positioned at the outer side of the box body 1, and the transverse rods 7 play a role in limiting on the end parts of the double-section ropes 3.

The use method of the corrugated case comprises the following steps:

s1, before an article (indicated by n in the figure) is placed, a pair of slide backing plates 4 are moved towards the direction close to each other and are supported at the lower end of a pressure plate 5, so that a gap exists between the pressure plate 5 and the inner bottom surface of a box body 1, as shown in figures 1 and 6, at the moment, a double-section rope 3 is not pressed by the pressure plate 5 and can be freely stretched;

s2, opening the outer cover plate 2, placing the article to be packaged into the box body 1 when the double-section rope 3 is in a heavy stretching state, and placing the article to be packaged at the upper end of the pressing plate 5;

s3, after the articles are completely put in, the inner cover plate and the outer cover plate 2 are sequentially covered, at the moment, under the elastic action of the double-section rope 3, the outer cover plate 2 can automatically press the upper ends of the inner cover plate and the articles, and the double-section rope 3 is in a slight stretching state;

s4, fingers stretch into the space between the outer cover plate 2 and the box body 1, the sliding base plates 4 are moved in the direction away from each other until the sliding base plates are attached to the inner wall of the box body 1, the sliding base plates 4 are located in the concave area of the lower side of the pressing plate 5 at the moment, the pressing plate 5 moves downwards under the gravity of an article and is attached to the inner bottom surface of the box body 1, the double-section ropes 3 are subjected to gravity pressing, the secondary stretching of the double-section ropes is prevented, and the outer cover plate 2 is not easy to open.

Referring to fig. 4, the pressing plate 5 includes a flat plate 52 and a pair of folded plates 51, the flat plate 52 is fixedly connected between the pair of folded plates 51, the sliding pad 4 includes a horizontal plate 41 and a pair of vertical rods 42, the vertical rods 42 are fixedly connected to the upper end of the horizontal plate 41 and respectively close to a pair of ends of the horizontal plate 41, the pressing plate 5 is located between the pair of vertical rods 42, and the upper end of the vertical rod 42 is flush with the upper end of the box 1, so as to facilitate manual pushing of the vertical rod 42 to move the horizontal plate 41, the end of the pair of horizontal plates 41 close to each other is in a downward inclined state, a space area formed by the folded plates 51 and a pair of inner walls of the box 1 matches with the horizontal plate 41, with reference to fig. 1 and 4, when the horizontal plate 41 is located in the space area, the flat plate 52 is attached to the inner bottom surface of the box 1, so as to press the two-section rope 3 under the gravity of the article, when the pair of horizontal plates 41 is moved close to and completely moved out from the area in step S1, the horizontal plate 41 is supported at the lower end of the flat plate 52, so as to lift the pressing plate 5, and the vertical distance between the flat plate 52 and the inner bottom surface of the box 1 is the horizontal plate 41.

Referring to fig. 5 and 6, the double-section rope 3 includes an inelastic rope 31 and an elastic rope 32 fixedly connected to each other, one end of the inelastic rope 31 away from the elastic rope 32 is fixedly connected to the outer cover plate 2, one end of the elastic rope 32 away from the inelastic rope 31 is fixedly connected to the cross bar 7, the initial length of the elastic rope 32 is smaller than the length of the box body 1, and the length of the inelastic rope 31 is greater than the inner depth of the box body 1.

According to the content of step S3, when the outer cover plate 2 is horizontally covered on the upper end of the box body 1, the two-section rope 3 is in a slightly stretched state, so that the elastic pulling rope 32 is in a slightly stretched state at this time, the inelastic rope 31 is in a straightened state, the outer cover plate 2 can be pressed on the upper end of the box body 1 under the elastic force of the elastic pulling rope 32, fig. 6 is a state diagram of step S3, and at this time, the slightly stretched elastic pulling rope 32 is completely located on the lower side of the flat plate 52, so that the flat plate 52 can conveniently press the flat plate 52 on the whole surface thereof.

When step S4 is carried out, can insert the finger between outer apron 2 and the box 1 from outer apron 2 side, promote the montant 42 of box 1 edge, make it drive diaphragm 41 move to box 1 inner wall department, get into the depressed area of clamp plate 5 downside, clamp plate 5 is under the action of article gravity this moment, can move down to laminating with box 1 inner bottom surface, tightly suppress the elasticity stay cord 32 of slight stretching state, make it difficult continuation tensile, as shown in fig. 7, make outer apron 2 be difficult for upwards opening, thereby effectively realize the encapsulation effect.

In addition, when needing to open outer apron 2 and take out article, can violently put box 1, make outer apron 2 become to be located side by being located the top, simultaneously, the clamp plate 5 of bottom also becomes to be located side by being located the downside, and article gravity no longer exerts on clamp plate 5 for elasticity stay cord 32 no longer receives great holding power, has certain stretching power again, makes outer apron 2 can be reopened, takes out article, notices: the invention is suitable for articles without special requirements on storage positions, states and the like, such as books, living articles, clothes and the like, so that the articles are not easy to damage when being transversely placed and taken out.

Referring to fig. 9, the lower end of the horizontal plate 41 is provided with a plurality of ball grooves which are uniformly distributed, the ball 43 is rotatably connected inside the ball grooves, the diameter of the ball 43 is larger than the opening diameter of the ball groove, the friction between the horizontal plate 41 and the box body 1 can be greatly reduced by sliding the ball 43 on the inner bottom surface of the box body 1, and when the vertical rod 42 is pushed by a finger, the horizontal plate 41 can be conveniently driven to move.

Referring to fig. 6 and 7, a pair of side ends of the box body 1 are both provided with rope holes, inner walls of the rope holes are fixedly connected with the tubules 101, the elastic pull ropes 32 are slidably connected inside the tubules 101, the tubules 101 are close to the inner bottom surface of the box body 1, and the tubules 101 protect inner walls of the rope holes, so that the inner walls of the rope holes are not easy to crack under the moving friction of the elastic pull ropes 32, and the box body 1 is protected.

Referring to fig. 8, the inner cover plate is composed of a pair of cover plates 6, gaps are formed between the side ends of the cover plates 6 and the outer cover plates 2 and between the pair of cover plates 6, the vertical rods 42 are located between the adjacent outer cover plates 2 and the cover plates 6, and the gaps between the cover plates 6 and the outer cover plates 2 prevent the vertical rods 42 from being easily blocked when the cover plates 6 are closed, so that the vertical rods 42 can be conveniently pushed by fingers; the space between a pair of cover plate 6 provides the region of placing for inelastic string 31, as shown in fig. 2, because the hookup location of two sections of ropes 3 and outer cover plate 2 is close to the edge of outer cover plate 2, after article are placed, move two sections of ropes 3 to the middle area of box 1 earlier, then make a pair of cover plate 6 lid in the both sides of box 1, like this when outer cover plate 2 closes the back, the pulling force of two sections of ropes 3 to outer cover plate 2 approaches vertical downward direction, makes outer cover plate 2 can closely press on article.

Referring to fig. 10, the hard sheet 8 is fixedly connected to the inner surface of the outer cover plate 2, the end of the inelastic string 31 is fixedly connected to the hard sheet 8, and the hard sheet 8 is configured to change the point acting force at the joint of the outer cover plate 2 by the two-section string 3 into the surface acting force between the hard sheet 8 and the outer cover plate 2, so that on one hand, the stress on the outer cover plate 2 is more uniform, the package is more stable, on the other hand, the local destructive force of the tensile force of the outer cover plate 2 on the box body 1 can be reduced, and the box body 1 is protected.

According to the invention, the double-section rope 3 is connected to the outer cover plate 2, the other end of the double-section rope 3 with elasticity is transversely arranged between the pressing plate 5 and the inner bottom surface of the box body 1, the pressing plate 5 is supported by the sliding backing plate 4 before an article is placed, the double-section rope 3 can be freely stretched between the pressing plate 5 and the box body 1, the outer cover plate 2 is freely opened, the sliding backing plate 4 is displaced after the article is placed, the pressing plate 5 is attached to the inner bottom surface of the box body 1 under the action of the gravity of the article, the double-section rope 3 between the pressing plate and the box body 1 is comprehensively pressed to prevent the stretching of the double-section rope, the outer cover plate 2 loses the capability of freely opening, and the double-section rope is tightly pressed on the article, so that the packaging effect is effectively realized, and compared with the existing opening modes of tearing adhesive tapes, zippers and the like, the double-section rope packaging machine is not easy to damage the double-section rope when being opened, and can be repeatedly packaged and used under the condition of keeping the integrity of the self and without the help of external tools.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a no trace packing formula corrugated box, includes box (1), the upper end integral type of box (1) is connected with one pair of internal apron and a pair of outer apron (2), its characterized in that: a pressing plate (5) and a pair of sliding base plates (4) are placed at the inner bottom of the box body (1), the sliding base plates (4) are located between the inner bottom surface of the box body (1) and the pressing plate (5), the inner end of the outer cover plate (2) is fixedly connected with a pair of double-section ropes (3), one ends, far away from the outer cover plate (2), of the double-section ropes (3) transversely penetrate through a gap between the inner bottom surface of the box body (1) and the pressing plate (5) and movably penetrate through the inner wall of the box body (1) from inside to outside until extending out of the outer side of the box body (1), transverse rods (7) are fixedly connected to the end portions of the double-section ropes (3), and the transverse rods (7) are located on the outer side of the box body (1);

the use method of the corrugated case comprises the following steps:

s1, before articles are placed, a pair of slide backing plates (4) are moved towards each other and supported at the lower end of a pressure plate (5), so that a gap is formed between the pressure plate (5) and the inner bottom surface of a box body (1);

s2, opening the outer cover plate (2), placing the article to be packaged into the box body (1) in a heavy-tensile state by the aid of the double-section rope (3), and placing the article to be packaged at the upper end of the pressing plate (5);

s3, after the articles are completely placed, the inner cover plate and the outer cover plate (2) are sequentially covered, at the moment, under the elastic action of the double-section rope (3), the outer cover plate (2) can be automatically pressed on the upper ends of the inner cover plate and the articles, and the double-section rope (3) is in a slight stretching state;

s4, fingers stretch into the space between the outer cover plate (2) and the box body (1), the sliding base plate (4) is moved towards the direction far away from each other until the sliding base plate is attached to the inner wall of the box body (1), the sliding base plate (4) is located in a concave area on the lower side of the pressing plate (5), the pressing plate (5) moves downwards under the gravity of an article and is attached to the inner bottom surface of the box body (1), gravity pressing is carried out on the double-section rope (3), the double-section rope is prevented from being stretched again, and the outer cover plate (2) is not easy to open.

2. The traceless packaged corrugated box according to claim 1, wherein: the pressing plate (5) comprises a flat plate (52) and a pair of corner plates (51), and the flat plate (52) is fixedly connected between the pair of corner plates (51).

3. The traceless packaged corrugated box according to claim 2, wherein: the slide backing plate (4) comprises a transverse plate (41) and a pair of vertical rods (42), the vertical rods (42) are fixedly connected to the upper end of the transverse plate (41) and are respectively close to a pair of end portions of the transverse plate (41), and the pressing plate (5) is located between the pair of vertical rods (42).

4. A traceless packaged corrugated box according to claim 3, wherein: one end of the pair of transverse plates (41) close to each other is in a downward inclined state, and the space area formed by the folded angle plates (51) and the pair of inner walls of the box body (1) is matched with the transverse plates (41).

5. The traceless packaged corrugated box according to claim 1, wherein: the double-section rope (3) comprises an inelastic rope (31) and an elastic pull rope (32) which are fixedly connected with each other, one end, away from the elastic pull rope (32), of the inelastic rope (31) is fixedly connected with the outer cover plate (2), and one end, away from the inelastic rope (31), of the elastic pull rope (32) is fixedly connected with the transverse rod (7).

6. The traceless packaged corrugated carton according to claim 2, wherein: the initial length of the elastic pull rope (32) is smaller than that of the box body (1), and the length of the inelastic rope (31) is larger than the inner depth of the box body (1).

7. A traceless packaged corrugated box according to claim 3, wherein: the lower extreme of diaphragm (41) is seted up a plurality of evenly distributed's ball groove, the inside rotation of ball groove is connected with ball (43), the diameter of ball (43) is greater than the notch bore of ball groove.

8. The traceless packaged corrugated carton according to claim 5, wherein: the rope hole has all been seted up to a pair of side of box (1), the inner wall fixedly connected with tubule (101) of rope hole, elasticity stay cord (32) sliding connection is in the inside of tubule (101), interior bottom surface position that tubule (101) are close to box (1).

9. A traceless packaged corrugated box according to claim 3, wherein: the inner cover plate is composed of a pair of cover plates (6), gaps are reserved between the side ends of the cover plates (6) and the outer cover plates (2) and between the pair of cover plates (6), and the vertical rods (42) are located between the adjacent outer cover plates (2) and the cover plates (6).

10. The traceless packaged corrugated carton according to claim 5, wherein: the inner surface of the outer cover plate (2) is fixedly connected with a hard sheet (8), and the end part of the inelastic string (31) is fixedly connected with the hard sheet (8).