CN211944106U

CN211944106U - Bottom self-locking carton

Info

Publication number: CN211944106U
Application number: CN202020560743.5U
Authority: CN
Inventors: 姚全态; 朱建平; 莫剑兴
Original assignee: Guangzhou Sanlongtai Paper Co ltd
Current assignee: Guangzhou Sanlongtai Paper Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-17
Anticipated expiration: 2030-04-15

Abstract

The utility model belongs to the technical field of folding carton technique and specifically relates to a bottom is from locking-type carton is related to, including the box body, first curb plate, locate box body bottom and the second curb plate adjacent with first curb plate, first curb plate is including the joint board that is located box body one side and the plugboard relative with the joint board, the side that the joint board is close to the plugboard is equipped with the joint groove, joint groove and two side intercommunication that the joint face is bulky, the side that the plugboard is close to the joint board is equipped with the complex grafting portion of pegging graft with the joint groove, the inboard side of box body is kept away from to grafting portion and first curb plate are close to the inboard side butt of box body, one side that its junction with the box body was kept away from to the second curb plate is equipped with the butt portion that is close to the inboard side butt of box body with the plugboard, butt portion has the. The utility model discloses have and need not the adhesive tape and bond, lean on the mosaic structure of self to form the bottom that has certain holding power to the life's of extension carton effect.

Description

Bottom self-locking carton

Technical Field

The utility model belongs to the technical field of the technique of folding carton and specifically relates to a bottom is from locking-type carton is related to.

Background

In daily life, people often use cartons to package or store articles.

Common carton is rectangle box body structure, refer to fig. 1, including the hollow box body 1 of rectangle, set up at the first curb plate of the 1 bottom relative both sides of box body and be located the second curb plate 11 of the adjacent both sides of first curb plate, first curb plate is folded earlier with second curb plate 11 all along its junction with box body 1, then folding second curb plate 11 again, relative side butt between the second curb plate 11, connect and bond adhesive tape in the butt department of second curb plate 11 to form the bottom of carton.

The technical scheme has the following defects: bonding carton all need use the adhesive tape at every turn, need tear the adhesive tape when folding with the carton when need not using the carton, can cause the damage of carton to make carton reuse's life shorter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bottom is from locking-type carton, it has and need not the adhesive tape bonding, leans on the mosaic structure of self to form the bottom that has certain holding power to the life's of extension carton effect.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a bottom is from locking-type carton, includes hollow box body, locates the first curb plate of the relative both sides in box body bottom, locates the relative both sides in box body bottom and the second curb plate adjacent with first curb plate, first curb plate is including the joint board that is located box body one side and the plugboard relative with the joint board, the side that the joint board is close to the plugboard is equipped with the joint groove, joint groove and the biggest two side intercommunication of joint face area, the side that the plugboard is close to the joint board is equipped with the complex grafting portion of pegging graft with the joint groove, the inboard side of box body is kept away from to grafting portion and the inboard side butt of box body is close to with first curb plate, one side that its junction with the box body was kept away from to the second curb plate is equipped with the butt portion that is close to the inboard side butt of box body with the plugboard, butt portion with the tank bottom in joint groove.

Through adopting above-mentioned technical scheme, folding joint board earlier, then folding second curb plate, folding pinboard again, make grafting portion insert by the joint groove, and be close to the lateral wall butt of box body with the joint board, butt portion plays spacing effect to the second curb plate, through the joint cooperation, make second curb plate and joint board, the bottom surface of pinboard cooperation formation carton body, when needing folding carton, only need with grafting portion shift out by the joint groove can, this scheme has need not the adhesive tape and bonds, can form the bottom that has certain holding power by the mosaic structure of self, thereby the effect of the life of extension carton.

The present invention may be further configured in a preferred embodiment as: the clamping plate is vertically provided with connecting plates along two opposite sides of the length direction of the clamping plate towards the inner side of the box body, the connecting plates are abutted to the inner side wall of the box body, a positioning plate is arranged on the side face, far away from the clamping plate, of the connecting plates, and a first positioning channel for the positioning plate to pass through and be clamped is arranged at the position, corresponding to the positioning plate, of the side wall of the box body.

Through adopting above-mentioned technical scheme, the locating plate is passed by first location way, and the joint is at the lateral wall of box body, carries on spacingly to the position of the relative box body of joint board, prevents that the joint board from influencing the connection structure of joint board and plugboard to the too big angle of the inboard upset of box body.

The present invention may be further configured in a preferred embodiment as: one side of the second side plate close to the clamping plate is provided with a first right-angle triangular part which is in butt fit with the side face of the clamping plate far away from the inner side of the box body, the two sides of the second side plate which are opposite to the inserting plate are provided with a second right-angle triangular part which is in butt fit with the side face of the second side plate far away from the inner side of the box body, the bevel edge of the first right-angle triangular part is close to the joint of the clamping plate and the box body, and the bevel edge of the second right-angle triangular part is close to the joint of the second side plate and the.

Through adopting above-mentioned technical scheme, the effect that the butt was supported is all played in first right angle triangle portion, the triangle portion of second right angle, and the setting of first right angle triangle portion and the triangle portion of second right angle still plays save material's effect.

The present invention may be further configured in a preferred embodiment as: the side of the clamping plate close to the insertion plate is provided with reinforcing strips at two sides of the clamping groove, one side of the reinforcing strip away from the clamping plate is bent to form a first bending part, and a second positioning channel for inserting and fixing the first bending part is arranged at the position of the second side plate corresponding to the first bending part.

Through adopting above-mentioned technical scheme, the enhancement strip increases the connection structure between joint plate and the second curb plate to increased the structural strength on box body ground, made box body ground have good support effect.

The present invention may be further configured in a preferred embodiment as: one side of the reinforcing strip, which is far away from the first bent part, is provided with a second bent part, and a third positioning channel for inserting and fixing the second bent part is arranged at the position of the clamping and connecting plate, which corresponds to the second bent part.

Through adopting above-mentioned technical scheme, the grafting cooperation that second kink and third location were said makes and strengthens strip and the detachable connection of joint board, and strengthens the strip and says through first kink and second location and peg graft the cooperation and connect the second side panel, strengthens the strip and can pull down by the carton completely, has the effect of removable enhancement strip according to actual need.

The present invention may be further configured in a preferred embodiment as: be equipped with between first kink and the enhancement strip with first location way grafting complex first picture peg, first picture peg and the second location way the length width height homoenergetic equal equals, be equipped with between second kink and the enhancement strip with the third location way grafting complex second picture peg, the second picture peg is equal with the length width height homoenergetic of third location way.

Through adopting above-mentioned technical scheme, first picture peg and the cooperation of second location way, the cooperation of second picture peg and third location way is convenient for when the fixed enhancement strip of joint, still is convenient for buckle first kink, second kink.

The present invention may be further configured in a preferred embodiment as: the first bending part and the second bending part are symmetrically arranged around the symmetry center of the bottom surface of the box body.

Through adopting above-mentioned technical scheme, first kink and second kink symmetry set up, have the effect that has increased the stability of box body.

The present invention may be further configured in a preferred embodiment as: the outer corners of the inserting parts far away from the inserting plate are all round corners.

Through adopting above-mentioned technical scheme, the outer corner that plugboard was kept away from to grafting portion is the fillet, makes the plugboard when inserting the joint groove, and its outer corner is not fragile to the life of carton has been prolonged.

To sum up, the utility model discloses a following at least one useful technological effect:

the utility model discloses a box body, the joint board, plugboard and second curb plate, folding joint board, then folding second curb plate, folding joint board again, make grafting portion insert by the joint groove, and be close to the lateral wall butt of box body with the joint board, butt portion plays spacing effect to the second curb plate, through the joint cooperation, make second curb plate and joint board, the bottom surface that the plugboard cooperation formed the carton body, when needing folding carton, only need with grafting portion shift out by the joint groove can, this scheme has and need not the adhesive tape and bonds, can form the bottom that has certain holding power by the mosaic structure of self, thereby the effect of the life of extension carton.

Drawings

FIG. 1 is a schematic view of a prior art carton construction;

fig. 2 is a schematic view of a splicing structure of a bottom self-locking carton according to the embodiment;

FIG. 3 is a schematic view of an expanded structure of the bottom self-locking carton of the present embodiment;

fig. 4 is a schematic structural diagram of the reinforcing bar in this embodiment.

In the figure, 1, a box body; 11. a second side plate; 12. a clamping and connecting plate; 13. a plugboard; 14. a first fold; 15. a second fold; 16. a third fold; 17. a clamping groove; 18. an abutting portion; 19. a plug-in part; 2. a first right-angle triangular part; 21. a second right-angle triangular portion; 22. a connecting plate; 23. positioning a plate; 24. a first positioning channel; 25. a reinforcing strip; 26. a first board insert; 27. a second board plug; 28. a first bent portion; 29. a fourth fold; 3. a second positioning channel; 31. a second bent portion; 32. a fifth fold; 33. and a third positioning channel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, for the bottom self-locking carton disclosed in this embodiment, the carton comprises a carton body 1, a first side plate disposed on two opposite sides of a side edge of the bottom of the carton body 1, and two second side plates 11 disposed on the bottom of the carton body 1 and adjacent to the first side plate, wherein the first side plate and the second side plate 11 are integrally formed with the carton body 1, and the first side plate and the second side plate 11 are spliced and matched to form a bottom surface of the carton body 1.

First curb plate includes joint plate 12 and plugboard 13, joint plate 12 is located one of them long limit department of 1 bottom side of box body, plugboard 13 is located the relative another long limit department in 1 bottom of box body, joint plate 12 is equipped with first crease 14 with 1 junction of box body, plugboard 13 is equipped with second crease 15 with 1 junction of box body, joint plate 12, plugboard 13 is respectively along first crease 14, second crease 15 is turned over to one side of being close to 1 inboard of box body, the interval between the folding relative side of plugboard 13 and joint plate 12 is approximate infinitesimal.

The junction of the second side panel 11 and the box body 1 is provided with a third crease 16, and the opposite sides of the two second side panels 11 are close to each other after being folded along the third crease 16.

Referring to fig. 3, clamping plate 12 is rectangular plate, and one of them side that its area is the biggest is close to box body 1 inboard, and after folding, clamping plate 12 has seted up joint groove 17 near the side of plugboard 13, and joint groove 17 communicates with two sides that clamping plate 12 area is the biggest, and joint groove 17 is located clamping plate 12 and keeps away from the centre of the side of first crease 14.

Referring to fig. 2 and 3, the second side plate 11 abuts against the side surface of the clamping plate 12 far away from the inner side of the box body 1, the side surface of the second side plate 11 far away from the third folding mark 16 extends to form an abutting portion 18, the abutting portion 18 is located on one side of the clamping groove 17 far away from the first folding mark 14, and after the folding, a gap is formed between the side edge of the abutting portion 18 close to the first folding mark 14 and the bottom of the clamping groove 17.

Side integrated into one piece that plugboard 13 is close to joint plate 12 has grafting portion 19, grafting portion 19 and joint groove 17 cooperation of pegging graft, grafting portion 19 can be passed by the interval between butt portion 18 and the 17 tank bottoms of joint groove, and one side that second crease 15 was kept away from to grafting portion 19 inserts box body 1 inboard by joint groove 17, and be close to the inboard side butt of box body 1 with joint plate 12, the outer angle that second crease 15 one side was kept away from to grafting portion 19 is the fillet, when making grafting portion 19 insert joint groove 17, its outer angle is not fragile.

A first right-angle triangular part 2 extends from one side, close to the first crease 14, of the second side plate 11, two right-angle sides of the first right-angle triangular part 2 are respectively connected with the third crease 16 and the side edge of the second side plate 11, the oblique edge inclines towards the first crease 14 from one end, far away from the third crease 16, to one end, close to the third crease 16, of the oblique edge, and the first right-angle triangular part 2 is abutted to the side face, far away from the inner side of the box body 1, of the clamping plate 12; a second right-angle triangular part 21 extends from two sides of the inserting plate 13 close to the third crease 16, two right-angle sides of the second right-angle triangular part 21 are respectively connected with the second crease 15 and the side edge of the inserting plate 13, the hypotenuse of the second right-angle triangular part 21 faces the third crease 16 and inclines from one end far away from the second crease 15 to one end close to the second crease 15, and the second right-angle triangular part 21 is abutted with the side surface of the second side plate 11 far away from the inner side of the box body 1; the first right-angle triangular part 2 and the second right-angle triangular part 21 have good abutting and fixing effects and also have the effect of saving materials.

During folding, along 14 folding joint boards 12 of first crease, then along the second curb plate 11 of 16 folding both sides of third crease, make first right angle triangle portion 2 and joint board 12 butt, along 15 folding joint board 13 of second crease, make grafting portion 19 take place elastic deformation simultaneously, to being close to box body 1 inboard bending insert joint groove 17 in, connect and make second right angle triangle portion 21 and second curb plate 11 butt, can accomplish the concatenation of carton bottom.

The joint board 12 is close to 1 inboard and the both sides that are close to third crease 16 of box body, it has connecting plate 22 to extend perpendicularly in the box body 1, two connecting plate 22 parallel arrangement, and the side that deviates from mutually between the connecting plate 22 all with 1 inside wall butt of box body, one side integrated into one piece that the joint board 12 was kept away from to connecting plate 22 has locating plate 23, locating plate 23 is semicircular in shape, and the diameter of locating plate 23 is parallel with the side of 1 inside wall of box body and connecting plate 22 butt, first location way 24 has been seted up to the lateral wall that box body 1 corresponds locating plate 23, the length of first location way 24 equals the diameter of locating plate 23, and the position of the position correspondence folding back connecting plate 22 up end of first location way 24.

When turning over a joint board 12 along a first crease 14, a connecting plate 22 is inserted into a box body 1, the joint board 12 is turned over to a certain angle, one side of the positioning plate 23 far away from the connecting plate 22 corresponds to a first positioning channel 24, the positioning plate 23 is inserted along the first positioning channel 24, so that the joint board 12 is limited, when the joint board 12 is turned over to a position approximately perpendicular to the side wall of the box body 1, the connecting plate 22 is abutted against the side wall of the box body 1 close to the first positioning channel 24, and the joint board 12 is not easy to turn over towards the inner side of the box body 1 under the action of external force.

Referring to fig. 3 and 4, after folding, the clamping plate 12 and the second side plate 11 are connected with a reinforcing strip 25 on the side surface close to the inner side of the box body 1, the reinforcing strip 25 is rectangular plate-shaped, the two ends of the reinforcing strip 25 are respectively integrally formed with a first inserting plate 26 and a second inserting plate 27, the first inserting plate 26 and the second inserting plate 27 are rectangular plate bodies, the first inserting plate 26 and the second inserting plate 27 are perpendicular to the reinforcing strip 25 in the same direction, the position of the first inserting plate 26 corresponds to the position of the second side plate 11, and the position of the second inserting plate 27 corresponds to the position of the clamping plate 12.

The side of the first inserting plate 26 far away from the reinforcing strip 25 is provided with a first bending part 28, the first bending part 28 is a rectangular paperboard with rounded outer corners, a fourth fold 29 is arranged between the first bending part 28 and the first inserting plate 26, a second positioning channel 3 is arranged at the position of the second side plate 11 corresponding to the first inserting plate 26, the second positioning channel 3 penetrates through the second side plate 11, the position of the second positioning channel 3 is staggered with the position of the second right-angled triangle part 21, the first inserting plate 26 and the first bending part 28 penetrate out of the box body 1 through the second positioning channel 3, then the first bending part 28 is folded along the fourth fold 29, so that the side of the first bending part 28 and the second side plate 11 is abutted, the length, width and height of the first inserting plate 26 and the second positioning channel 3 are equal, and the first inserting plate 26 is clamped in the second positioning channel 3, and the first inserting plate 26 has the effects of being convenient for positioning and folding the first bending part 28.

The side of the second board 27 far from the reinforcing strip 25 is provided with a second bending portion 31, the second bending portion 31 is a rectangular paperboard with rounded outer corners, a fifth folding trace 32 is arranged between the second bending portion 31 and the second board 27, a third positioning channel 33 is arranged at a position of the card board 12 corresponding to the second board 27, the third positioning channel 33 penetrates through the card board 12, the position of the third positioning channel 33 is staggered with the position of the first right triangle 2, the second board 27 and the second bending portion 31 penetrate out of the box body 1 from the third positioning channel 33, then the second bending portion 31 is folded along the fifth folding trace 32, so that the second bending portion 31 is abutted against the side of the card board 12, the length and width of the second board 27 and the third positioning channel 33 are equal, and the second board 27 is clamped in the third positioning channel 33, and the second board 27 has the effect of facilitating positioning and folding the second bending portion 31.

The reinforcing strip 25 is provided with two about the symmetry axis symmetry of box body 1, and first kink 28, the symmetry center symmetry setting about box body 1 bottom surface of second kink 31, reinforcing strip 25 plays the effect of strengthening the connection structure between joint board 12 and the second lateral plate 11, first kink 28 and the symmetry setting of second kink 31, make the carton have good balanced effect, and when the face of placing of carton has water, because first kink 28 and the bearing carton of second kink 31, make the bottom of carton be difficult for being stained with wet, when using next time, only need to change reinforcing strip 25 can, the life of extension carton.

The implementation principle of the embodiment is as follows: folding the clamping plate 12 along the first crease 14, inserting the positioning plate 23 into the first positioning channel 24, then folding the second side plates 11 at two sides along the third crease 16, abutting the first right-angle triangular part 2 with the clamping plate 12, folding the clamping plate 13 along the second crease 15, simultaneously making the inserting part 19 elastically deformed, bending and inserting the second right-angle triangular part 21 into the clamping groove 17 close to the inner side of the box body 1, abutting the second right-angle triangular part 21 with the second side plate 11, abutting the side surface of the abutting part 18 with the side surface of the inserting plate 13, then inserting the first bending part 28 into the second positioning channel 3, inserting the second bending part 31 into the third positioning channel 33, folding the first bending part 28 and the second bending part 31 again, and connecting the reinforcing strip 25 with the clamping plate 12 and the second side plate 11.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bottom is from locking-type carton, includes hollow box body (1), locates the first curb plate of the relative both sides in box body (1) bottom, locates the relative both sides in box body (1) bottom and with first curb plate adjacent second curb plate (11), its characterized in that: the first side plate comprises a clamping plate (12) positioned on one side of the box body (1) and an insertion plate (13) opposite to the clamping plate (12), the side surface of the clamping plate (12) close to the insertion plate (13) is provided with a clamping groove (17), the clamping groove (17) is communicated with two side surfaces with the largest area of the clamping plate (12), the side surface of the insertion plate (13) close to the clamping plate (12) is provided with an insertion part (19) which is inserted and matched with the clamping groove (17), the side surface of the insertion part (19) far away from the inner side of the box body (1) is abutted against the side surface of the first side plate close to the inner side of the box body (1), one side of the second side plate (11) far away from the connection part of the second side plate and the box body (1) is provided with an abutting part (18) which is abutted against the side surface of the insertion plate (13) close to the inner side of the box body (1), the butt joint part (18) and the groove bottom of the clamping groove (17) are provided with a space for the insertion part (19) to pass through.

2. The bottom self-locking carton according to claim 1, wherein: joint board (12) are equipped with connecting plate (22) along the relative both sides of its length direction perpendicularly to box body (1) inboard, connecting plate (22) and box body (1) inside wall butt, the side that joint board (12) were kept away from in connecting plate (22) is equipped with locating plate (23), the position that box body (1) lateral wall corresponds locating plate (23) is equipped with and supplies locating plate (23) to pass, the first location way (24) of joint.

3. The bottom self-locking carton according to claim 1, wherein: one side of the second side plate (11) close to the clamping plate (12) is provided with a first right-angle triangular part (2) which is in butt joint with the side, far away from the inner side of the box body (1), of the clamping plate (12), two opposite sides, close to the second side plate (11), of the clamping plate (13) are provided with second right-angle triangular parts (21) which are in butt joint with the side, far away from the inner side of the box body (1), of the second side plate (11), the bevel edge of the first right-angle triangular part (2) is close to the joint of the clamping plate (12) and the box body (1), and the bevel edge of the second right-angle triangular part (21) is close to the joint of the second side plate (11) and the box body (1).

4. The bottom self-locking carton according to claim 1, wherein: the side of the clamping plate (12) close to the insertion plate (13) is located on two sides of the clamping groove (17) and is provided with a reinforcing strip (25), one side of the reinforcing strip (25) far away from the clamping plate (12) is bent to form a first bending part (28), and a second positioning channel (3) for inserting and fixing the first bending part (28) is arranged at the position of the second side plate (11) corresponding to the first bending part (28).

5. The bottom self-locking carton according to claim 4, wherein: one side of the reinforcing strip (25) far away from the first bent part (28) is provided with a second bent part (31), and a third positioning channel (33) for inserting and fixing the second bent part (31) is arranged at the position of the clamping plate (12) corresponding to the second bent part (31).

6. The bottom self-locking carton according to claim 5, wherein: be equipped with between first kink (28) and enhancement strip (25) and peg graft complex first picture peg (26) with first location way (24), first picture peg (26) are equal with the length width height homogeneous phase of second location way (3), be equipped with between second kink (31) and enhancement strip (25) and say (33) with third location and peg graft complex second picture peg (27), second picture peg (27) are equal with the length width height homogeneous phase of third location way (33).

7. The bottom self-locking carton according to claim 5, wherein: the first bending part (28) and the second bending part (31) are symmetrically arranged around the symmetric center of the bottom surface of the box body (1).

8. The bottom self-locking carton according to claim 1, wherein: the outer corners of the insertion parts (19) far away from the insertion plate (13) are all round corners.