Corrugated paper transportation packaging box with reinforced inner corners

By designing an internal corner reinforcement structure and support bracket in a corrugated paper transport packaging box, the problem of easy deformation or damage of traditional corrugated paper packaging boxes is solved, the stability and load-bearing capacity of the box are improved, and the assembly process is simplified.

CN119976064APending Publication Date: 2025-05-13TAICANG DINGSHENG PACKAGING MATERIAL CO LTD
View PDF 6 Cites 0 Cited by

Patent Information

Application Number
CN202510385957.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-30
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

Traditional corrugated paper transport packaging boxes are prone to deformation or damage during transportation and storage, and the reinforcement structure connection method is complex, assembly and use are complicated, and the load-bearing capacity at the bottom of the carton is poor.

Method used

A corrugated transport packaging box with an inner corner reinforced corrugated paper is designed, which forms a triangular stable structure with the connecting block and the reinforced frame plate to reinforce the inner corner of the carton, and uses the connecting block to quickly install and fix the reinforced frame plate. At the same time, connecting plates, curved plates and four-way support guards are installed to enhance the support and protection capabilities of the carton.

Benefits of technology

It improves the anti-extrusion and collision resistance of the carton, prevents deformation and damage, simplifies the assembly process, enhances the load-bearing capacity of the bottom of the carton, and increases the load-load capacity of the cargo.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119976064A_ABST
    Figure CN119976064A_ABST
Patent Text Reader

Abstract

The invention provides an inner corner reinforced corrugated paper transportation packaging box, and relates to the technical field of packaging boxes. Reinforcing frame plates are arranged at the four inner corners of the carton body, and a sleeve frame is arranged between the reinforcing frame plates on the left side and the right side. Connecting columns are arranged on the reinforcing frame plates, and connecting plates are arranged between the top ends of the connecting columns on the front side and the rear side. The connecting blocks and the reinforcing frame plates form a triangular stable framework, meanwhile, the reinforcing frame plates and the carton body can be rapidly installed and fixed through the connecting blocks, the connecting plates and the arc-shaped plates are arranged, the inner side walls of the carton body are well supported, meanwhile, the four supporting protection frames are arranged, and the supporting protection frames can be used for supporting the inner side walls of the carton body. The outer corners of the carton body can be protected, and the problems that due to the fact that reasonable supporting and protecting structures are lacked inside and outside a packaging box, the packaging box is squeezed or collided in the transportation and storage process, the packaging box is prone to deformation or damage, and additionally-arranged reinforcing structures are complex in connecting mode and tedious to assemble and use are solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of packaging boxes, and in particular to an inner corner reinforced corrugated paper transport packaging box. Background Art

[0002] Corrugated paper packaging boxes are corrugated paperboards that have been die-cut, creased, nailed or glued into cartons to wrap items. In addition to protecting the goods and facilitating storage and transportation, they also play a role in beautifying and promoting the goods. Corrugated paper boxes are green and environmentally friendly products that are good for the environment and easy for loading and unloading.

[0003] However, as far as the current traditional corrugated paper transport packaging boxes are concerned, the packaging boxes have a single structure and function, and lack reasonable supporting and protective structures inside and outside. The packaging boxes are easily deformed or damaged when squeezed or collided during transportation and storage. In addition, the added reinforcement structure connection method is complicated, and the assembly and use are relatively cumbersome. At the same time, the bottom bearing capacity of the carton is poor. When the goods exceed the specified range, the bottom plate of the carton is very likely to tear. Summary of the invention

[0004] In view of this, the present invention provides a corrugated paper transport packaging box with inner corner reinforcement, wherein the connecting block and the reinforcement frame plate form a triangular stable structure, thereby reinforcing the inner corners of the carton body, and at the same time, the connecting block can be used to enable the reinforcement frame plate to be quickly installed and fixed to the carton body. By arranging the connecting plate and the arc plate, a good supporting effect is played on the internal side wall of the carton body. At the same time, four supporting guard frames are arranged, which are located at the four bottom corners of the bottom of the carton body, and can protect the external corners of the carton body.

[0005] The present invention provides a corrugated paper transport packaging box with inner corner reinforcement, which specifically includes: a carton body; reinforcement frames are provided at the four inner corners of the carton body, and a sleeve frame is provided between the reinforcement frames on the left and right sides; connecting columns are provided at the reinforcement frames, and connecting plates are provided between the top ends of the connecting columns on the front and rear sides; two bottom frames are provided at the bottom of the carton body, and the bottom frames are connected to the connecting columns through connecting pieces; two supporting feet are provided at the bottom of the two bottom frames, and supporting guard frames are provided at the front and rear ends of the bottom frames.

[0006] Optionally, four insertion holes are formed on the side panels around the carton body, and the four insertion holes are distributed in a rectangular array.

[0007] Optionally, the reinforcement frame plate is composed of two vertical rectangular plates, and the two rectangular plates are connected by a connecting block. Through grooves are provided at the upper and lower ends of the two rectangular plates, and the through grooves are T-shaped structures. Two support frames are provided between the two rectangular plates, and fixed blocks are provided at the ends of the support frames. When the reinforcement frame plate is connected to the carton body, the through grooves and the sockets correspond to each other, and the fixed blocks are simultaneously engaged with the through grooves and the sockets.

[0008] Optionally, the connecting column is a rectangular square rod structure, and slots are provided at the upper and lower ends of the connecting column, and four card slots are provided at the upper and lower ends of the connecting column, and the card slots are communicated with the slots.

[0009] Optionally, a first plug-in is provided on both sides of the bottom end of the connecting plate, and the two first plug-ins are distributed in a left-right symmetrical manner. The first plug-in is composed of four elastic buckles. The first plug-in is slidably inserted into the slot at the top of the connecting column, and the elastic buckle of the first plug-in is engaged with the slot of the connecting column.

[0010] Optionally, the sleeve frame is provided with two sleeve openings, and an arc-shaped plate is provided in the sleeve openings, and the arc-shaped plate is supported between the sleeve frame and the side wall of the carton body.

[0011] Optionally, two mounting grooves are provided at the bottom of the base frame, and a guide round rod is provided at the center position of the mounting groove, and a first compression spring is installed at both ends of the guide round rod, and two plug plates are provided in the mounting groove, and the plug plates are located on both sides of the guide round rod.

[0012] Optionally, two locking bolt rods are provided on the support guard frame, and a blocking piece is provided between the two locking bolt rods. A second compression spring is sleeved on the locking bolt rod, and the second compression spring is supported between the blocking piece and the support guard frame.

[0013] Optionally, push rods are provided on the front and rear sides of the supporting foot, and the two push rods are rotatably connected to the supporting foot through pins, and sliding sleeves are provided at the ends of the push rods, and the push rods are rotatably connected to the sliding sleeves through pins. When the supporting foot is in a connected state with the base frame, the sliding sleeve is slidably mounted on the guide round rod, the first compression spring is supported between the sliding sleeve and the side wall of the mounting groove, and the insert plate is slidably inserted on the top of the supporting foot.

[0014] Optionally, the connecting piece includes an insertion rod, a second plug-in and a socket. The plug-in rod is provided with a socket at the bottom end of the plug-in rod, and a second plug-in is provided at the top end of the plug-in rod. The second plug-in is slidably inserted into a slot at the bottom end of the connecting column. The second plug-in is composed of four elastic buckles. When the base frame is connected to the connecting column through the connecting piece, the socket is slidably inserted into the top of the base frame and is controlled by the locking bolt rod of the supporting guard frame. At the same time, the insertion rod passes through the bottom plate of the carton body, and the elastic buckle of the second plug-in is engaged with the slot of the connecting column.

[0015] Beneficial Effects According to the inner corner reinforced corrugated paper transport packaging box of each embodiment of the present invention, compared with the traditional corrugated paper packaging box, the through slot and the insertion hole correspond to each other, and the fixed card block is simultaneously engaged with the through slot and the insertion hole, wherein the connecting block and the reinforcement frame plate form a triangular stable structure, thereby reinforcing the inner corner of the carton body, and at the same time, the reinforcing frame plate and the carton body can be quickly installed and fixed by using the connecting block, and the connection structure is simple, which is convenient for the assembly and use of the packaging box.

[0016] In addition, an arc plate is provided inside the sleeve, and the arc plate is supported between the sleeve frame and the side wall of the carton body. By setting the connecting plate and the arc plate, a good supporting effect is played on the internal side wall of the carton body, which can increase the carton body's anti-extrusion ability and avoid the carton being squeezed and deformed during transportation.

[0017] In addition, by setting up four supporting frames, which are located at the four bottom corners of the bottom of the carton body, the external corners of the carton body can be protected, effectively preventing the bottom of the carton body from being damaged due to collision and friction.

[0018] In addition, two base frames are symmetrically distributed at the bottom of the carton body to prevent the bottom plate from getting damp. At the same time, the supporting feet can be adjusted up and down along the plug plate. The push rod pushes the sliding sleeve to slide along the guide round rod, and utilizes the elasticity of the first compression spring to play a buffering role, thereby increasing the bearing capacity of the bottom of the carton body and thereby increasing the load capacity of its goods.

[0019] In addition, when the base frame is connected to the connecting column through the connecting piece, the card seat is slidably inserted on the top of the base frame and controlled by the locking bolt rod of the supporting frame. At the same time, the insertion rod penetrates the bottom plate of the carton body, and the elastic buckle of the second plug-in is engaged with the card slot of the connecting column, so that the base frame and the carton body can be quickly installed and connected. At the same time, the connection is more secure and not easy to fall off, thereby improving the assembly efficiency of the carton body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0021] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0022] In the attached picture: Figure 1 A schematic diagram showing the overall structure of a transport packaging box according to an embodiment of the present invention; Figure 2 The transport package box according to the embodiment of the present invention is shown. Figure 1 Schematic diagram of the resulting rotational perspective; Figure 3 The transport package box according to the embodiment of the present invention is shown. Figure 1 The schematic diagram after the carton body is removed is shown; Figure 4 The transport package box according to the embodiment of the present invention is shown. Figure 3 The enlarged schematic diagram of the middle A part; Figure 5 A schematic diagram showing an exploded state of a reinforcement frame plate and a connecting column of a transport packaging box according to an embodiment of the present invention is shown; Figure 6 A schematic diagram showing an exploded state of some connecting columns, connecting plates and connecting pieces of a transport packaging box according to an embodiment of the present invention is shown; Figure 7 A schematic diagram showing a state in which the reinforcement frame plate and the sleeve frame of a transport packaging box according to an embodiment of the present invention are separated from the curved plate; Figure 8 A schematic diagram showing an exploded state of a bottom frame, a supporting frame, supporting feet and a connecting piece of a transport packaging box according to an embodiment of the present invention; Fig. 9 The transport package box according to the embodiment of the present invention is shown. Figure 8 Schematic diagram of the enlarged portion B in the middle.

[0023] Reference numerals list 1. Carton body; 101. Socket; 2. Reinforcement frame plate; 201. Through slot; 202. Connecting block; 203. Support frame; 204. Fixed card block; 3. Connecting column; 301. Slot; 302. Card slot; 4. Connecting plate; 401. First plug-in; 5. Sleeve; 501. Sleeve mouth; 502. Arc plate; 6. Base frame; 601. Mounting slot; 602. Guide round rod; 603. First compression spring; 604. Insert plate; 7. Support guard frame; 701. Locking bolt rod; 702. Block sheet; 703. Second compression spring; 8. Support foot; 801. Push rod; 802. Sliding sleeve; 9. Connector; 901. Insert rod; 902. Second plug-in; 903. Card holder. DETAILED DESCRIPTION

[0024] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0025] Example: Please refer to Figures 1 to 9 : The present invention proposes an inner corner reinforced corrugated paper transport packaging box, comprising: a carton body 1; reinforcement frames 2 are provided at the four inner corners of the carton body 1, and a sleeve frame 5 is provided between the reinforcement frames 2 on the left and right sides; connecting columns 3 are provided at the reinforcement frames 2, and connecting plates 4 are provided between the top ends of the connecting columns 3 on the front and rear sides; two bottom frames 6 are provided at the bottom of the carton body 1, and the bottom frames 6 are connected to the connecting columns 3 through connecting pieces 9; two supporting feet 8 are provided at the bottom of the two bottom frames 6, and supporting guard frames 7 are provided at the front and rear ends of the bottom frames 6.

[0026] In addition, according to an embodiment of the present invention, Figure 2 , Figure 3 and Figure 4 As shown, four insertion holes 101 are provided on the four side panels of the carton body 1, and the four insertion holes 101 are distributed in a rectangular array; The reinforcement frame plate 2 is composed of two vertical rectangular plates, and the two rectangular plates are connected by a connecting block 202. Through grooves 201 are provided at both ends of the two rectangular plates, and the through grooves 201 are T-shaped structures. Two support frames 203 are provided between the two rectangular plates, and fixed blocks 204 are provided at the ends of the support frames 203. When the reinforcement frame plate 2 is connected to the carton body 1, the through grooves 201 and the sockets 101 correspond to each other, and the fixed blocks 204 are simultaneously connected to the through grooves 201 and the sockets 101, wherein the connecting block 202 and the reinforcement frame plate 2 form a triangular stable structure, and the connecting block 202 can be used to quickly install and fix the reinforcement frame plate 2 and the carton body 1.

[0027] In addition, according to an embodiment of the present invention, Figure 5 , Figure 6 and Figure 7 As shown, the connecting column 3 is a rectangular square rod structure, and the upper and lower ends of the connecting column 3 are provided with slots 301, and the upper and lower ends of the connecting column 3 are provided with four card slots 302, and the card slots 302 are communicated with the slots 301; A first plug-in 401 is provided on both sides of the bottom of the connecting plate 4, and the two first plug-ins 401 are distributed in a left-right symmetrical manner. The first plug-in 401 is composed of four elastic buckles. The first plug-in 401 is slidably inserted into the slot 301 at the top of the connecting column 3, and the elastic buckle of the first plug-in 401 is engaged with the card slot 302 of the connecting column 3; The sleeve 5 is provided with two sleeve openings 501, and an arc plate 502 is provided inside the sleeve openings 501, and the arc plate 502 is supported between the sleeve 5 and the side wall of the carton body 1. Due to the provision of the connecting plate 4 and the arc plate 502, a good supporting effect is played on the inner side wall of the carton body 1, which can increase the anti-extrusion ability of the carton body 1.

[0028] In addition, according to an embodiment of the present invention, Figure 8 and Fig. 9 As shown, two mounting grooves 601 are provided at the bottom of the base frame 6, and a guide round rod 602 is provided at the center of the mounting groove 601, and first compression springs 603 are sleeved at both ends of the guide round rod 602, and two plug plates 604 are provided in the mounting groove 601, and the plug plates 604 are located on both sides of the guide round rod 602; Two locking bolts 701 are provided on the support frame 7, and a baffle 702 is provided between the two locking bolts 701. A second compression spring 703 is sleeved on the locking bolt 701, and the second compression spring 703 is supported between the baffle 702 and the support frame 7. By providing four support frames 7, which are located at the four bottom corners of the bottom of the carton body 1, the external corners of the carton body 1 can be protected; Push rods 801 are provided on the front and rear sides of the supporting foot 8, and the two push rods 801 are rotatably connected to the supporting foot 8 through a pin shaft. A sliding sleeve 802 is provided at the end of the push rod 801, and the push rod 801 is rotatably connected to the sliding sleeve 802 through a pin shaft. When the supporting foot 8 is in a connected state with the base frame 6, the sliding sleeve 802 is slidably sleeved on the guide round rod 602, and the first compression spring 603 is supported between the sliding sleeve 802 and the side wall of the mounting groove 601, and the plug plate 604 is slidably inserted on the top of the supporting foot 8, wherein the two base frames 6 are symmetrically distributed at the bottom of the carton body 1 to prevent the bottom plate from getting damp. At the same time, the supporting foot 8 can be adjusted up and down along the plug plate 604, and the sliding sleeve 802 is pushed to slide along the guide round rod 602 by the push rod 801, and the elasticity of the first compression spring 603 can be used to play a buffering role.

[0029] In addition, according to an embodiment of the present invention, Figure 6 and Figure 8 As shown, the connecting member 9 includes an insert rod 901, a second plug-in 902 and a socket 903. The insert rod 901 is provided with a socket 903 at the bottom end of the insert rod 901, and a second plug-in 902 is provided at the top end of the insert rod 901, and the second plug-in 902 is slidably inserted into the slot 301 at the bottom end of the connecting column 3. The second plug-in 902 is composed of four elastic buckles. When the base frame 6 is connected to the connecting column 3 through the connecting member 9, the socket 903 is slidably inserted on the top of the base frame 6 and is controlled by the locking bolt rod 701 of the supporting frame 7. At the same time, the insert rod 901 passes through the bottom plate of the carton body 1, and the elastic buckle of the second plug-in 902 is engaged with the slot 302 of the connecting column 3, so that the base frame 6 and the carton body 1 can be quickly installed and connected.

[0030] Specific usage and function of this embodiment: In the present invention, when the reinforcement frame plate 2 is connected to the carton body 1, the through slot 201 corresponds to the insertion hole 101, and the fixed block 204 is simultaneously engaged with the through slot 201 and the insertion hole 101, wherein the connection block 202 and the reinforcement frame plate 2 form a triangular stable structure, and the connection block 202 can be used to quickly install and fix the reinforcement frame plate 2 and the carton body 1; Since an arc plate 502 is provided in the sleeve 501, and the arc plate 502 is supported between the sleeve frame 5 and the side wall of the carton body 1, the connecting plate 4 and the arc plate 502 are provided, which play a good supporting role on the inner side wall of the carton body 1, and can increase the anti-extrusion ability of the carton body 1; secondly, by providing four supporting frames 7, which are located at the four bottom corners of the bottom of the carton body 1, the external corners of the carton body 1 can be protected; When the support foot 8 is connected to the base frame 6, the sliding sleeve 802 is slidably mounted on the guide round rod 602, the first compression spring 603 is supported between the sliding sleeve 802 and the side wall of the mounting groove 601, and the plug plate 604 is slidably inserted on the top of the support foot 8, wherein the two base frames 6 are symmetrically distributed at the bottom of the carton body 1 to prevent the bottom plate from getting wet, and the support foot 8 can be adjusted up and down along the plug plate 604, and the sliding sleeve 802 is pushed to slide along the guide round rod 602 by the push rod 801, and the elasticity of the first compression spring 603 can play a buffering role; In addition, when the base frame 6 is connected to the connecting column 3 through the connecting piece 9, the socket 903 is slidably inserted on the top of the base frame 6 and controlled by the locking bolt rod 701 of the supporting frame 7. At the same time, the insertion rod 901 penetrates the bottom plate of the carton body 1, and the elastic buckle of the second plug-in 902 is engaged with the slot 302 of the connecting column 3, so that the base frame 6 and the carton body 1 can be quickly installed and connected.

[0031] Finally, it should be noted that when describing the position of each component and the matching relationship between them, the present invention usually takes one / a pair of components as an example. However, those skilled in the art should understand that such position, matching relationship, etc. are also applicable to other components / other pairs of components.

[0032] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A corrugated paper transport packaging box with inner corner reinforcement, characterized in that: include: Carton body (1); The carton body (1) is provided with reinforcement frames (2) at four inner corners, and a sleeve frame (5) is provided between the reinforcement frames (2) on the left and right sides; The reinforcement frame plate (2) is provided with a connecting column (3), and a connecting plate (4) is provided between the top ends of the connecting columns (3) on the front and rear sides; The bottom of the carton body (1) is provided with two bottom frames (6), and the bottom frames (6) are connected to the connecting columns (3) via connecting pieces (9); Two supporting feet (8) are provided at the bottom of the two base frames (6), and supporting guard frames (7) are provided at the front and rear ends of the base frames (6).

2. The inner corner reinforced corrugated paper transport packaging box according to claim 1, characterized in that: Four insertion holes (101) are provided on the four side panels of the carton body (1), and the four insertion holes (101) are distributed in a rectangular array.

3. The inner corner reinforced corrugated paper transport packaging box according to claim 1, characterized in that: The reinforcement frame plate (2) is composed of two vertical rectangular plates, and the two rectangular plates are connected by a connecting block (202). The upper and lower ends of the two rectangular plates are provided with through grooves (201), and the through grooves (201) are of T-shaped structure. Two support frames (203) are provided between the two rectangular plates, and fixed blocks (204) are provided at the ends of the support frames (203).

4. The inner corner reinforced corrugated paper transport packaging box according to claim 1, characterized in that: The connecting column (3) has a rectangular square rod structure, and slots (301) are provided at the upper and lower ends of the connecting column (3). Four clamping slots (302) are provided at the upper and lower ends of the connecting column (3), and the clamping slots (302) are communicated with the slots (301).

5. The inner corner reinforced corrugated paper transport packaging box according to claim 1, characterized in that: First plug-ins (401) are provided on both sides of the bottom end of the connecting plate (4), and the two first plug-ins (401) are distributed in a left-right symmetrical manner, and the first plug-ins (401) are slidably inserted into the slots (301) at the top ends of the connecting pillars (3).

6. The inner corner reinforced corrugated paper transport packaging box according to claim 1, characterized in that: The sleeve frame (5) is provided with two sleeve openings (501), and an arc-shaped plate (502) is provided inside the sleeve openings (501), and the arc-shaped plate (502) is supported between the sleeve frame (5) and the side wall of the carton body (1).

7. The inner corner reinforced corrugated paper transport packaging box according to claim 1, characterized in that: The bottom of the base frame (6) is provided with two installation grooves (601), and a guide round rod (602) is provided at the center of the installation groove (601), and first compression springs (603) are sleeved at both ends of the guide round rod (602), and two plug plates (604) are provided in the installation groove (601), and the plug plates (604) are located on both sides of the guide round rod (602).

8. The inner corner reinforced corrugated paper transport packaging box according to claim 1, characterized in that: The support guard frame (7) is provided with two locking bolt rods (701), and a blocking piece (702) is provided between the two locking bolt rods (701). A second compression spring (703) is sleeved on the locking bolt rod (701), and the second compression spring (703) is supported between the blocking piece (702) and the support guard frame (7).

9. The inner corner reinforced corrugated paper transport packaging box according to claim 1, characterized in that: The support foot (8) is provided with push rods (801) at the front and rear sides, and the two push rods (801) are rotatably connected to the support foot (8) via a pin shaft. A sliding sleeve (802) is provided at the end of the push rod (801), and the push rod (801) is rotatably connected to the sliding sleeve (802) via a pin shaft.

10. The inner corner reinforced corrugated paper transport packaging box according to claim 1, characterized in that: The connecting member (9) comprises an insert rod (901), a second plug-in unit (902) and a socket (903); the insert rod (901) has a socket (903) at the bottom end thereof, the insert rod (901) has a second plug-in unit (902) at the top end thereof, and the second plug-in unit (902) is slidably inserted into a slot (301) at the bottom end of the connecting column (3).

Citation Information

Patent Citations

  • Optical filter storage box

    CN213414673U

  • Mildew-proof and bacteriostatic corrugated carton

    CN216233608U

  • Foldable plastic packaging container

    CN220054545U

  • Express box supporting framework

    CN220350344U

  • Corner angle reinforcing device of carton

    CN220555466U