CN218858949U - Packing box with easy-to-open self-locking structure - Google Patents

Abstract

The utility model discloses an easy-open self-locking structure's packing carton, the tongue of inserting that sets up on box body component and box face, the box bottom, its characterized in that the tongue of inserting can with the jack cooperation of seting up on the box body, the two wings dog-ear flexible of tongue of inserting recovers after inserting in the jack automatically, forms hasp structure with the hasp panel of box body, accomplishes the auto-lock, and the tear that sets up on the box body side draws the mouth, and its shape is arc or bar. The utility model discloses a packing carton simple structure, but the design of auto-lock need be accomplished the hasp with the help of external force when having removed sealedly from, makes the overall structure of packing carton more fasten, and anti external force ability is stronger, does benefit to the popularization.

Description

Packing box with easy-to-open self-locking structure

Technical Field

The utility model relates to the field of packaging technology, especially, relate to an easy-to-open self-locking structure's packing carton.

Background

The packing carton of corrugated paper has certain leakproofness for guaranteeing now, generally can set up the tongue of inserting that must insert in the box body on the panel, insert the tool line jack of reserving on the box body through the tongue of inserting that the specific was given, thereby make whole packing carton zonulae occludens together, thereby improve the leakproofness of packing carton, but the packing carton of corrugated paper needs to be buckled through the extrusion hasp piece at the position that tongue of inserting and socket combine now, this kind of extrusion can cause the permanent deformation of corrugated paper, make hasp piece resilience insufficient, lead to under certain external force, the tongue of inserting can follow the jack and roll off, cause the non-destructive of packing carton to open, lose the sealed theftproof function of packing carton.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the above-mentioned background art, the utility model provides an easy-to-open self-locking structure's packing carton aims at providing a non-deformable and good corrugated paper packing carton of leakproofness. The technical scheme is as follows:

the utility model provides an easy-to-open self-locking structure's packing carton, includes box top face and the box body that forms all around, is provided with the inserted tongue on the box top face, and the inserted tongue face has two wings dog-ear to follow the bending of inserted tongue broken line, is convenient for insert in the jack that the box body upper strata was seted up to go, and the hasp is pushed down this moment, after the inserted tongue inserts in the jack, the hasp because content and self gravity can return to original position, form tight straining structure with the inserted tongue, make the packing carton leakproofness promote.

Furthermore, the inserting tongue is arranged on the top surface and the bottom surface of the box, the inserting tongue can be folded along the folding line by itself, and the inserting tongue is symmetrically provided with two wing folding angles which can be bent along the folding line of the inserting tongue and inserted into the inserting hole of the box body.

Furthermore, the side plate of the box body is connected with a left front flap and a right front flap which are symmetrical, the right front flap and the left front flap are provided with a lock catch, the lock catch can be bent along the folding line of the left lock catch and the right lock catch, and a gap of the left front flap and a gap of the right front flap are arranged between the lock catch and the left front flap and between the lock catch and the right front flap, so that the inserting tongue can pass through.

Furthermore, the box body also comprises a box body upper surface and a box body lower surface, the positions connected between the box body upper surface and the box body lower surface and the box body main body are provided with jacks matched with the shapes of the insertion tongues, and the two jacks are symmetrically arranged relative to the box body main body panel.

Furthermore, the front view panel is provided with a tearing opening, and the tearing opening can be arc-shaped or strip-shaped.

The packing carton fold according to certain order and accomplish and seal, insert the jack with the inserted tongue at last, the hasp is jack-up simultaneously, two wings dog-ear on the inserted tongue expand after inserting and be 180 tiling states, the hasp falls back to expand and accomplishes the auto-lock with the hasp cooperation and seal this moment.

Furthermore, the packaging box is made of B, E and F type corrugated paper, and preferably E type corrugated paper.

The utility model discloses compare in current packing carton, have following advantage:

1. the auto-lock simple structure of packing carton need not to borrow external force extrusion and accomplishes the hasp action, can seal the automatic hasp of in-process, has reduced the deformation and the folding number of times of corrugated paper, has strengthened its life, and the leakproofness is stronger moreover, and is more pleasing to the eye after sealing.

2. The utility model discloses a packing carton structure is more firm, and the packing scope of being suitable for is wider, and compressive capacity is stronger, is fit for stacking, increases availability factor, reduce cost.

Drawings

Fig. 1 is an expanded view of the packing box of the present invention.

Fig. 2 is a folding schematic diagram of the packing box of the present invention.

Fig. 3 is a folding structure diagram of the packing box of the present invention.

Wherein 1-rear view panel, 110-bottom box, 120-top box, 2-right side panel, 201-right notch, 202-right locking sheet, 203-right locking fold line, 204-right opening notch, 210-right opening sheet, 3-front view panel, 310-bottom box, 320-top box, 4-left side panel, 401-left notch, 402-left locking sheet, 403-left locking fold line, 404-left opening sheet notch, 410-left opening sheet, 5-box plywood, 6-jack, 7-tongue, 701-tear opening, 702-tongue-fold angle, 703-tongue fold line.

Detailed Description

The present invention is further described with reference to the accompanying drawings and the detailed description, and the embodiments are only used as an implementation manner of the present invention, and are not intended to limit the present invention, and any person skilled in the art can make changes without innovation according to the present invention, all should be within the protection scope of the present invention.

With reference to fig. 1-3, the utility model discloses an easy-to-open self-locking structure's packing carton, the box body is formed by four panels (front panel 3, left side panel 4, right side panel 2, rear view panel 1) an organic whole are folding, wherein have the broken line to fold between the adjacent panel, and rear view panel 1 still is connected with a box body plywood 5 for accomplish with left side panel 4 and surround the curb plate formation accommodation space who constitutes the box body. The rear view panel 1 is connected with a box body bottom surface 110 and a box body top surface 120, wherein the box body top surface 120 is provided with a plug tongue 7, the plug tongue 7 comprises a square plug tongue body and plug tongue folding angles 702 which are bilaterally symmetrical, the plug tongue folding angles 702 can be bent along the plug tongue folding lines, the front view panel 3 is provided with a tearing opening 701, the tearing opening 701 is arc-shaped or strip-shaped, the tearing opening 701 and the front view panel 3 are linked by a knife edge, when the box body needs to be opened, the tearing opening 701 is pressed, the knife edge chain breaks an opening formed in the box body top surface 120, the tearing opening 701 is arranged on the front view panel 3, so that a user can tear with smaller force when using, and the box body bottom surface 110 is also provided with the plug tongue 7 which is the same as the box body top surface 120; the insertion tongues 7 can be inserted into the corresponding insertion holes 6 to form the sealing of the box body.

The right side panel 2 and the left side panel 4 are both connected with side flaps, wherein a right square locking flap plate 202 is arranged on one side of a right flap 210 connected with the right side panel 2, a right flap notch 204 is formed in the position adjacent to the right locking flap plate 202, the right locking flap plate 202 can be bent along a right locking fold line 203, a right notch 201 is formed in one side of the right side panel 2 opposite to the box body, the package can be opened conveniently through the notch, a left flap 410 connected with the left side panel 4 has the same structure as the right flap 210, a left locking flap plate 402 is arranged and can be bent along a left locking fold line 403, and the left locking flap plate 402 and the left locking flap plate are combined to form locking seal for the tongue insertion dog fold corner 702.

The front view panel 3 is connected with a symmetrical box body lower part 310 and a box body upper part 320, wherein the folding line connecting the box body lower part 310 and the front view panel 3 is provided with a jack 6, the shape of the jack is matched with the inserting tongue 7, the folding line connecting the corresponding box body upper part 320 and the front view panel 3 is provided with a jack 6, and the shape of the jack is matched with the inserting tongue 7.

In the assembling process, the front view panel 3, the left side panel 4, the right side panel 2 and the rear side panel 1 are firstly enclosed along corresponding fold lines, then the box body plywood 5 is inserted into the side face of the box body to form the box body, then the right flap 210 and the left flap 410 are folded for 90 degrees along the fold lines towards the inner direction of the box body, at the moment, the two right locking flap plates 202 are contacted to form a locking structure, then the lower face 310 of the box body and the upper face 320 of the box body are folded for 90 degrees along the fold lines towards the inner part of the box body, the locking structures are respectively arranged, at the moment, the upper jack and the lower jack are both positioned above the right locking flap plate 202, then the inserting tongues 7 on the bottom face 110 of the box body and the top face 120 of the box body are folded for 90 degrees, meanwhile, the folding tongues 702 of the inserting tongues of the two wings are folded for 45 degrees and correspond to the corners on the inserting holes 6, finally, when the inserting tongues 7 are inserted into the corresponding jacks 6, the right locking flap plates 202 and the left locking flaps 402 and the left locking flaps are both lifted, and the locking flaps 702 are matched to form a sealing structure.

The above are only the preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, a plurality of modifications and improvements can be made, which should also be considered as the protection scope of the present invention, and these will not affect the effect of the present invention and the practicability of the patent.

Claims (5)

1. A packing box with an easy-to-open self-locking structure comprises a box body which is formed by a front panel (3), a left panel (4), a right panel (2) and a rear panel (1) which are enclosed along fold lines, a box body top surface (120) and a box body bottom surface (110) which are connected with the rear panel (1), it is characterized in that the top surface (120) and the bottom surface (110) of the box body are both provided with inserting tongues (7), the insertion tongue (7) comprises two insertion tongue folding angles (702) which can be bent along insertion tongue folding lines (703), two sides of the right side panel (2) are connected with symmetrical right flaps (210), two sides of the left side panel (4) are connected with symmetrical left flaps (410), the right flap (210) is provided with a right lock catch flap plate (202) which can be bent along a right lock catch fold line (203), the left flap (410) is provided with a left locking flap plate (402), can be bent along the left lock catch folding line (403) to form an assembled lock catch by matching with the tongue folding angle (702), the two sides of the front panel (3) are connected with the lower part (310) and the upper part (320) of the box body, and the joints are provided with jacks (6), a tearing opening (701) is arranged between the jacks (6) on the front panel (3), the shape of the jack (6) is adapted to the structure of the insert tongue (7).

2. An easy open self locking closure as claimed in claim 1 wherein said tear tab (701) is in the form of an arc or a strip.

3. The packaging box with the easy-opening self-locking structure is characterized in that the right flap (210) is provided with a right flap notch (204) beside the right lock catch plate (202), and the left flap (410) is provided with a left flap notch (404) beside the left lock catch plate (402) for the insertion tongue dog-ear (702) to pass through when being inserted into the insertion hole (6).

4. The packaging box with the easy-opening self-locking structure is characterized in that a right notch (201) is further formed in the upper edge of the right flap (210), and a left notch (401) is further formed in the upper edge of the left flap (410).

5. The easy-to-open self-locking packing box according to claim 1, wherein the packing box is made of E-shaped corrugated paper.

Images