Anti-cracking carton

Abstract

The utility model provides an anti-cracking carton which comprises a carton body and is characterized in that corner protection blocks are arranged at the four corners of the carton body respectively, a drying device is arranged at the bottom of the carton body, hand lifting holes are formed in the two opposite side walls of the carton body respectively, hand lifting ring blocks are fixedly installed on the side walls of the hand lifting holes, and a first binding belt and a second binding belt are arranged in the outer side walls of the carton body. The first bridle and the second bridle are arranged on the upper side and the lower side of the hand lifting hole respectively, a bridle elastic assembly is arranged in one corner protection block, the first bridle and the second bridle are tightened to drive the corner protection blocks to be tightly attached to the portions, prone to cracking, of the box body to achieve the protection effect, and cracking is prevented. The box body is ventilated and dried through the hand lifting holes, tearing is not prone to occurring in the carrying process, damp air is prevented from invading from the bottom through the drying device arranged at the bottom, the box body is kept dry, and the box body is prevented from being damped and prone to cracking.

Description

Technical Field

[0001] The utility model relates to the technical field of cartons, in particular to an anti-cracking carton. Background Art

[0002] Cartons are the most widely used packaging products. According to different materials, there are corrugated boxes, single-layer cardboard boxes, etc., with various specifications and models. Commonly used cartons are three-layer and five-layer, and seven-layer is less used. Each layer is divided into lining paper, corrugated paper, core paper, and face paper. The lining and face paper are tea board paper and kraft paper, and the core paper is corrugated paper. The color and feel of various papers are different, and the paper produced by different manufacturers (color, feel) is also different, so a crack-proof carton is needed.

[0003] In the related art, a utility model patent with patent announcement number CN220786469U has been searched and proposed a tear-proof carton, including a carton body, a carton cover is arranged on the top of the carton body, grip holes are opened on both sides of the carton body, the carton body includes a buffer layer, the inner cavity of the buffer layer is provided with an anti-tear layer, the surface of the buffer layer is provided with a protective layer, the tear-proof layer includes a tensile layer, the surface of the tensile layer is bonded to the buffer layer, the inner cavity of the tensile layer is bonded with a reinforcing layer, the inner cavity of the reinforcing layer is bonded with a pressure-resistant layer, the material of the pressure-resistant layer is foam cardboard, and the material of the reinforcing layer is cardboard. The above technical scheme can play an anti-tear role by adopting the pressure-resistant layer, the reinforcing layer and the tensile layer, and can effectively prevent the carton body from being torn due to external force. By adopting the waterproof layer, the anti-puncture layer and the wear-resistant layer, the surface of the carton body can be protected, and the surface of the carton body can be effectively prevented from being damaged.

[0004] According to the above-mentioned prior art, the inventor combined relevant technologies and found in actual application that the utility model only solves the tearing of the box body caused by tearing. The box body still relies on the traditional method of adding a buffer layer and waterproof layer on the surface to achieve protection and waterproofing of the box body. This waterproof and crack-proof method cannot focus on protecting the easily torn parts. The damp parts will still pass through the waterproof layer and become soft, causing them to crack easily. Humid air can easily invade from the bottom, causing the box body to become damp from the bottom. It cannot adapt to more environments and prevent the box body from cracking. Utility Model Content

[0005] In order to solve the problem of a tear-resistant carton in the prior art, the utility model provides an anti-crack carton;

[0006] The utility model provides an anti-cracking carton adopts the following technical solution:

[0007] A crack-proof carton comprises a box body, wherein corner protection blocks are respectively arranged at the four corners of the box body, a drying device is arranged at the bottom of the box body, and two opposite side walls of the box body are respectively provided with carrying holes, and carrying ring blocks are fixedly installed on the side walls of the carrying holes. A first strap and a second strap are arranged inside the outer side wall of the box body, and the first strap and the second strap are respectively arranged on the upper and lower sides of the carrying hole, and a strap elastic assembly is arranged inside one of the corner protection blocks.

[0008] Furthermore, the drying device includes a corner column, a corner column groove, a bottom bracket, and a drying block. The bottom of the box body is provided with a bottom bracket, the drying block is provided on the upper side of the bottom bracket, the four corners of the drying block are respectively provided with corner column grooves, the bottom of the corner protection block is fixedly connected with a corner column, and the corner column is slidably connected to the corner column groove.

[0009] Furthermore, the strap tensioning assembly includes a rotating knob, a rotating disk, a blocking block, a locking hole, a locking knob, a locking rod, and a locking block. A connecting rod is rotatably connected to the side wall of the corner protection block, a rotating knob is provided at one end of the connecting rod close to the outer wall of the box body, a blocking block is integrally formed on the outer wall of the connecting rod, the blocking block is arranged on the outer side of the corner protection block, a rotating disk is integrally formed at one end of the connecting rod close to the inner wall of the corner protection block, a locking hole is provided on the side wall of the rotating disk, a locking rod is slidably connected to the through hole of the side wall of the corner protection block, a locking knob is provided at one end of the locking rod close to the outer wall of the corner protection block, a locking block is provided at the other end of the locking rod, and the locking block and the locking hole are engaged with each other.

[0010] Furthermore, the locking holes are distributed in a circular array inside the rotating disk, and there are N locking holes, where N≥2.

[0011] Furthermore, the first and second straps are connected to the side walls of the box body by wrapping around the outer diameter of the box body, one end of the first and second straps is fixedly connected to the side walls of the corner guard block, and the other end of the first and second straps is fixedly connected to the outer side walls of the connecting rod, and are wound in opposite directions with the connecting rod as the axis.

[0012] Furthermore, the side wall of the hand ring block is provided with hand-sewn protrusions, and the number of the protrusions is N, where N≥2.

[0013] In summary, the beneficial effects of the utility model are:

[0014] The utility model uses a strap elastic assembly to tighten the first strap and the second strap to drive the corner protection block to fit closely to the part of the box that is prone to cracking, thereby playing a protective role to prevent cracking. The box is ventilated and dry through the carrying hole, and is not easy to be torn during transportation, so it can be prevented from being torn. The drying device arranged at the bottom prevents humid air from invading from the bottom to keep the box dry, thereby preventing the box from being susceptible to cracking due to moisture. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of the utility model except for the bottom support;

[0017] Figure 3 It is a right side view schematic diagram of the overall structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the front view of the overall structure of the utility model;

[0019] Figure 5 For this utility model Figure 3 This is a schematic diagram of the AA planed surface;

[0020] Figure 6 It is a schematic diagram of the internal structure of the drawstring elastic assembly of the utility model.

[0021] As shown in the figure: 1-box body, 2-bottom support, 3-corner protection block, 4-drying block, 5-hand hole, 6-hand ring block, 7-first strap, 8-second strap, 9-rotating disk, 10-blocking block, 11-connecting rod, 12-rotating knob, 13-locking block, 14-locking rod, 15-locking knob, 16-corner column groove, 17-corner column, 18-hand-sewn protrusion. DETAILED DESCRIPTION

[0022] The utility model embodiment discloses a crack-proof carton, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a crack-proof carton includes a box body 1, characterized in that corner blocks 3 are respectively arranged at the four corners of the box body 1, a drying device is arranged at the bottom of the box body 1, and two opposite side walls of the box body 1 are respectively provided with hand holes 5, and hand ring blocks 6 are fixedly installed on the side walls of the hand holes 5. A first strap 7 and a second strap 8 are arranged in the outer wall of the box body 1, and the first strap 7 and the second strap 8 are respectively arranged on the upper and lower sides of the hand hole 5. A strap elastic assembly is arranged inside one of the corner blocks 3. In this embodiment, the hand hole 5 is added to make the box body 1 more It is conducive to ventilation to keep the interior of the box 1 in a dry state, and it is more conducive to preventing the box 1 from becoming damp, soft and cracked. During installation, the size of the carrying hole 5 can be controlled to achieve the strength of ventilation. Adding a carrying ring block 6 makes the box 1 more convenient to carry without tearing the side wall of the box 1, which is more conducive to crack prevention. Adding an angle protection block 3 can protect the position of the box 1 that is prone to cracking, and reduce the force on the position that is prone to cracking during transportation. Adding a first strap 7 and a second strap 8 to make them tight can achieve the goal of driving the angle protection block 3 to fit tightly to the position of the box 1 that is prone to cracking to complete the protection.

[0023] like Figure 3 , Figure 5 The drying device shown includes a corner post 17, a corner post groove 16, a bottom bracket 2, and a drying block 4. The bottom bracket 2 is provided at the box body 1, and the drying block 4 is provided on the upper side of the bottom bracket 2. Corner post grooves 16 are respectively provided at the four corners of the drying block 4. The bottom of the corner protection block 3 is fixedly connected with a corner post 17, and the corner post 17 is slidably connected with the corner post groove 16. In this embodiment, by increasing the drying speed, the moist air inside the box body 1 is sucked into the drying block 4, so that the internal drying of the box body 1 is achieved. The drying block 4 has a corner post groove 16, and the sliding of the corner post groove 16 and the corner post 17 is achieved, which facilitates the disassembly and replacement of the drying block 4. During installation, the size of the corner post groove 16 can be increased to achieve the distance of tightening and loosening the box body 1. Preferably, when installing the bottom bracket 2, a universal wheel can be added to allow the box body 1 to slide and move.

[0024] like Figure 1 , Figure 6 The strap tensioning assembly shown includes a rotating knob 12, a rotating disk 9, a blocking block 10, a locking hole, a locking knob 15, a locking rod 14, and a locking block 13. A connecting rod 11 is rotatably connected in the side wall of the corner protection block 3. A rotating knob 12 is provided at one end of the connecting rod 11 close to the outer wall of the box body 1. A blocking block 10 is integrally formed on the outer wall of the connecting rod 11. The blocking block 10 is arranged on the outer side of the corner protection block 3. A rotating disk is integrally formed at one end of the connecting rod 11 close to the inner wall of the corner protection block 3. A locking hole is provided on the side wall of the rotating disk. The locking rod 14 is slidably connected in the through hole of the side wall of the corner protection block 3. The locking rod 14 is provided at one end close to the outer wall of the corner protection block 3. There is a locking button 15, and a locking block 13 is provided at the other end of the locking rod 14. The locking block 13 is engaged with the locking hole. In this embodiment, by adding a blocking block 10, the first strap 7 and the second strap 8 are not easy to rotate out from the side wall through hole when the rotating knob 12 is rotated. When installing the first strap 7 and the second strap 8, the erosion of water vapor on the box body 1 can be reduced by adding a moisture-proof surface on one side, which is more conducive to the crack prevention of the box body 1. The locking block 13 is added to engage with the locking hole, so that the first strap 7 and the second strap 8 are tightened to the side wall of the box body 1, so that the corner guard is close to the side wall of the box body 1, which is more conducive to the protection of the box body 1 by the corner guard block 3.

[0025] like Figure 5 The locking holes shown are distributed in a circular array inside the rotating disk 9, and there are N locking holes, N≥2. In this embodiment, during installation, the number of locking holes can be increased so that the tightening and loosening positions of the first strap 7 and the second strap 8 can be increased to better adapt to the size of the box 1.

[0026] like Figure 1 , Figure 6The feature shown is that the first strap 7 and the second strap 8 are connected to the side wall of the box body 1 along the outer diameter of the box body 1, one end of the first strap 7 and the second strap 8 are fixedly connected to the side wall of the corner block 3, and the other end of the first strap 7 and the second strap 8 are fixedly connected to the outer wall of the connecting rod 11, and are relatively wound in opposite directions with the connecting rod 11 as the axis. In this embodiment, by adding the first strap 7 and the second strap 8 to be wound in opposite directions on the side wall of the connecting rod 11 with the axis as the axis, it is achieved that the connecting rod 11 is tightened or loosened in the same direction by rotating the rotating knob 12.

[0027] like Figure 2 The side wall of the hand-sewn ring block 6 is shown to be provided with hand-sewn protrusions 18, and the number of the protrusions is N, where N≥2. In this embodiment, by adding the hand-sewn protrusions 18, the friction between the hand-sewn protrusions 18 and the fingers of the porters is increased, so that the hand-sewn ring block 6 is not easy to shake in the side wall of the hand hole 5, thereby reducing the pressure on the box body 1 to prevent the box body 1 from tearing, which is more conducive to the crack resistance of the box body 1.

[0028] The implementation principle of the embodiment of the utility model is:

[0029] When in use, first rotate the rotary knob 12, and the transmission connecting rod 11 drives the first strap 7 and the second strap 8, so that the first strap 7 and the second strap 8 are tightly bound to the side wall of the box body 1, and the first strap 7 and the second strap 8 drive the corner protection block 3 to fit tightly to the crack-prone part of the box body 1 to complete the protection, and the bottom drying block 4 is close to the box body 1 to prevent internal moisture, and the bottom support 2 at the bottom of the box body 1 can prevent moisture from invading from the bottom of the box body 1, and the handle hole can make the inside of the box body 1 ventilated and dry, which is convenient for carrying and not easy to tear the box body 1 to cause cracking;

[0030] When the drying block 4 needs to be disassembled and replaced, the rotary knob 12 is rotated in the opposite direction of tightening to loosen the first and second straps 7 and 8. The drying block 4 is taken out and replaced with a new drying block 4 under the action of the sliding of the corner post 17 in the corner post groove 16. The rotary knob 12 is adjusted according to the above principle to tighten the first and second straps 7 and 8 to complete the replacement.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A crack-proof carton, comprising a box body (1), characterized in that Corner protection blocks (3) are respectively arranged at the four corners of the box body (1), a drying device is arranged at the bottom of the box body (1), two opposite side walls of the box body (1) are respectively provided with hand holes (5), and hand ring blocks (6) are fixedly installed on the side walls of the hand holes (5), and a first strap (7) and a second strap (8) are arranged inside the outer wall of the box body (1), and the first strap (7) and the second strap (8) are respectively arranged on the upper and lower sides of the hand holes (5), and a strap elastic assembly is arranged inside one of the corner protection blocks (3).

2. A crack-proof carton according to claim 1, characterized in that: The drying device comprises a corner post (17), a corner post groove (16), a base (2), and a drying block (4); the base (2) is arranged at the bottom of the box body (1); the drying block (4) is arranged on the upper side of the base (2); corner post grooves (16) are respectively provided at four corners of the drying block (4); a corner post (17) is fixedly connected to the bottom of the corner protection block (3); and the corner post (17) is slidably connected to the corner post groove (16).

3. A crack-proof carton according to claim 1, characterized in that: The strap tensioning assembly comprises a rotating knob (12), a rotating disk (9), a blocking block (10), a locking hole, a locking knob (15), a locking rod (14) and a locking block (13); a connecting rod (11) is rotatably connected in the side wall of the corner protection block (3); a rotating knob (12) is arranged at one end of the connecting rod (11) close to the outer wall of the box body (1); a blocking block (10) is integrally formed on the outer wall of the connecting rod (11); the blocking block (10) is arranged on the outer side of the corner protection block (3); a rotating disk is integrally formed at one end of the connecting rod (11) close to the inner wall of the corner protection block (3); a locking hole is opened on the side wall of the rotating disk; the locking rod (14) is slidably connected in the through hole of the side wall of the corner protection block (3); a locking knob (15) is arranged at one end of the locking rod (14) close to the outer wall of the corner protection block (3); a locking block (13) is arranged at the other end of the locking rod (14); the locking block (13) and the locking hole are engaged with each other.

4. A crack-proof carton according to claim 3, characterized in that: The locking holes are distributed in a circumferential array inside the rotating disk (9), and there are N locking holes, where N is greater than or equal to 2.

5. The anti-cracking carton according to claim 1, characterized in that: The first strap (7) and the second strap (8) are connected to the side wall of the box body (1) by wrapping around the outer diameter of the box body (1); one end of the first strap (7) and the second strap (8) are fixedly connected to the side wall of the corner protection block (3); the other end of the first strap (7) and the second strap (8) are fixedly connected to the outer side wall of the connecting rod (11), and are wound in opposite directions with the connecting rod (11) as the axis.

6. The anti-cracking carton according to claim 1, characterized in that: The side wall of the hand ring block (6) is provided with hand-sewn protrusions (18), and the number of the protrusions is N, where N≥2.

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