CN215623317U - Lock catch structure and carton - Google Patents

Abstract

A lock catch structure comprises a base part, a positioning part and a buckling part. The positioning part and the buckling part are connected with the base part and are positioned on the same side of the base part. The utility model also relates to a carton which comprises a body and the locking structure. The body comprises a top part, a bottom part and a plurality of side parts, and the side parts are integrally connected between the top part and the bottom part. The body has two states of unfolding and box body. At least one of the side parts is provided with a lock catch groove for the positioning part of the lock catch structure to pass through. Under the state of the box body, the base part of the lock catch structure is attached to the outer wall surface of the side part, the abutting part of the lock catch structure abuts against the inner wall surface of the side part, and the buckling part of the lock catch structure is buckled with the top part or the bottom part. The utility model not only solves the problems of time and labor waste and damage to the nature caused by difficult degradation of the adhesive tape in the case sealing of the adhesive tape, but also avoids the problem of personal safety in the case dismantling of a cutter.

Description

Lock catch structure and carton

Technical Field

The utility model relates to the field of article packaging, in particular to a lock catch structure and a carton.

Background

In recent years, the global demand for cartons is increased dramatically, with the continuous improvement of the consumption level of people and the rapid development of online shopping consumption forms, the cartons for express delivery show a phenomenon that the cartons for express delivery increase year by year, and in the logistics transportation package of modern manufacturing industry and the logistics turnover inside factories, the carton sealing form of traditional standard cartons and external adhesive tapes is mostly adopted, and the following problems and disadvantages mainly exist: (1) the top and the bottom of the traditional standard carton need to be sealed by adhesive tapes to achieve the sealing protection effect, so that the adhesive tapes are wasted, the labor hour is increased, and the like; (2) the adhesive tape is difficult to degrade in soil, and once thrown away in a natural environment, the adhesive tape will damage the nature to a certain extent; (3) the customer need unpack with the help of instruments such as sharp cutter after receiving article, and the express delivery can not be opened in real time to one, and two come to use the instrument to unpack to exist and cause the influence possibility to personal safety.

Therefore, there is a need for a new locking structure and a new carton to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lock catch structure and a carton, which solve the problem that the traditional adhesive tape sealing mode causes damage to the nature due to the fact that the adhesive tape is difficult to degrade, and also solve the problem of personal safety when sharp tools and other tools are used for unpacking.

In order to achieve the purpose, the utility model adopts the following technical scheme: a lock catch structure comprises a base part, a positioning part and a buckling part, wherein the positioning part and the buckling part are connected with the base part and are positioned on the same side of the base part.

As a first technical solution of a further improvement of the present invention, the positioning portion includes a lateral portion connected to the base portion, a vertical portion connected to the lateral portion, and an abutting portion extending obliquely from the vertical portion toward the base portion.

As a first technical means of further improvement of the present invention, the abutting portion is formed at a top end and/or a bottom end of the vertical portion.

As a first technical solution of further improvement of the present invention, the transverse portion is located at a middle position in a vertical extending direction of the base portion, and the retaining portion is located at one end in the vertical extending direction of the base portion.

As a first technical solution of further improvement of the present invention, the latch structure is one of a paper material, a plastic material and a metal material.

As a second technical solution of further improvement of the present invention, a carton comprises a body and the latch structure as described above, wherein the body includes a top portion, a bottom portion, and a plurality of side portions, the side portions are integrally connected between the top portion and the bottom portion, the body has two states of unfolding and box body, at least one of the side portions is provided with a latch groove for a positioning portion of the latch structure to pass through, in the box body state, a base portion of the latch structure is attached to an outer wall surface of the side portion, an abutting portion of the latch structure abuts against an inner wall surface of the side portion, and a latching portion of the latch structure is latched with the top portion or the bottom portion.

As a second technical solution of further improvement of the present invention, the transverse portion includes a large diameter portion connected to the base portion and a small diameter portion connected to the vertical portion, the large diameter portion is clamped in the locking groove, and the small diameter portion protrudes out of the locking groove.

As a second technical solution of further improvement of the present invention, the side portion includes a first side portion, a second side portion integrally connected to the first side portion, a third side portion integrally connected to the second side portion, a fourth side portion integrally connected to the third side portion, and a tail portion integrally extending from the fourth side portion, the tail portion is adhered to an inner wall of the first side portion, so that the first side portion, the second side portion, the third side portion, and the fourth side portion are folded to enclose a receiving space in a box shape, the latch grooves are provided in even numbers in pairs, the latch grooves are provided on the first side portion and the third side portion which are oppositely provided, and/or the latch grooves are provided on the second side portion and the fourth side portion which are oppositely provided.

As a second technical solution of further improvement of the present invention, each of the top and the bottom includes a first length rocking cover integrally connected to the first side, a first width rocking cover integrally connected to the second side, a second length rocking cover integrally connected to the third side, and a second width rocking cover integrally connected to the fourth side.

As a second technical solution of further improvement of the present invention, the first length rocking cover is provided with a first open slot, and the second length rocking cover is provided with a second open slot.

In contrast to the prior art, the present invention provides retention between the sides and the top or sides and the bottom of the carton by a latch structure positioned on the sides, preventing accidental opening of the top or bottom relative to the sides; compared with the existing adhesive tape sealing box form, the utility model can remove the retention force on the top or the bottom only by manually tearing the lock catch structure made of paper materials or manually screwing and separating the lock catch structure made of plastic or metal and other materials when dismounting and mounting, and avoids the problems of time and labor consumption for dismounting and mounting, damage to nature caused by difficult degradation of the adhesive tape and personal safety caused by dismounting tools such as sharp tools and the like in the traditional adhesive tape sealing box form.

Drawings

FIG. 1 is an expanded view of the body of a first embodiment of the carton of the present invention;

FIG. 2 is a schematic view of the first embodiment of the carton of the present invention with the body about to be folded into a box shape;

FIG. 3 is a perspective view of the locking structure of the present invention being locked to the folded carton;

FIG. 4 is a perspective view of the latch structure of the present invention;

FIG. 5 is a side view of the latch structure of the present invention;

FIG. 6 is a top view of FIG. 3;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

fig. 8 is an expanded view of the body of a second carton embodiment of the present invention;

FIG. 9 is a top view similar to FIG. 6 of the snap-lock feature of the present invention snapped into the carton of FIG. 8;

FIG. 10 is a cross-sectional view taken along line B-B of FIG. 9;

fig. 11 is an expanded view of the body of a third carton embodiment of the present invention;

fig. 12 is a top view similar to fig. 6 of the snap-lock feature of the present invention snapped into the carton of fig. 11.

Detailed Description

Referring to fig. 1 to 12, and particularly to fig. 4, 5, 7 and 10, the present invention relates to a locking structure 100, which includes a base 1, a positioning portion 2 and a locking portion 3. The positioning part 2 and the buckling part 3 are both connected with the base part 1 and are positioned on the same side of the base part 1. The positioning portion 2 includes a lateral portion 21 connected to the base portion 1, a vertical portion 22 connected to the lateral portion 21, and an abutting portion 23 extending obliquely from the vertical portion 22 toward the base portion 1. The abutment portion 23 is formed at the top end and/or the bottom end of the vertical portion 22. The lateral part 21 is located at the middle position in the vertical extending direction (V direction) of the base 1, and the holding part 3 is located at the top position in the vertical extending direction of the base 1.

Referring to fig. 1 to 12, the present invention further relates to a carton, which includes a main body 200 and the above locking structure 100. The body 200 comprises a top portion 4, a bottom portion 5 and a number of side portions 6. The side portion 6 is integrally connected between the top portion 4 and the bottom portion 5.

Referring to fig. 1 to 5, 7 and 10, the body 200 has two states of unfolded and box. At least one of the side portions 6 is provided with a locking groove 60 through which the positioning portion 2 of the locking structure 100 passes. In the box state, the base portion 1 of the latch structure 100 is attached to the outer wall surface of the side portion 6, the abutting portion 23 of the latch structure 100 abuts against the inner wall surface of the side portion 6, and the latching portion 3 of the latch structure 100 is latched with the top portion 4. The positioning portion 2 and the fastening portion 3 are located on the same side of the base portion 1, so as to ensure that the fastening portion 3 can be fastened with the top portion 4 while the positioning portion 2 is positioned on the side portion 6.

In the three embodiments of the present invention shown in fig. 1 to 12, the retaining part 3 is fastened with the top part 4; in another embodiment of the present invention, which is not shown in the drawings, the side portion 6 may be provided with a locking groove 60 at a position close to the bottom portion 5, and the locking structure 100 shown in fig. 4 and 5 may be positioned upside down in the locking groove 60 close to the bottom portion 5, so that the fastening portion 3 can be fastened to the bottom portion 5.

Referring to fig. 4, 5, 7 and 10, in a preferred embodiment, the latch structure 100 is made of paper, and the latch structure 100 is a single piece. The lateral portion 21 includes a large diameter portion 211 connected to the base portion 1 and a small diameter portion 212 connected to the vertical portion 22. The size of the large diameter portion 211 is larger than that of the small diameter portion 212 in the up-down direction parallel to the extending direction of the base 1, and therefore, the large diameter portion 211 is interference-mounted in the locking groove 60, and the positioning stability of the positioning portion 2 on the side portion 6 can be ensured; the small diameter portion 212 is exposed outside the locking groove 60 mainly for providing a space for the abutting portion 23 to be elastically deformed, because the positioning portion 2 needs to be compressed to deform the abutting portion 23 in the process of passing through the locking groove 60 from the outside of the side portion 6 to the inside of the side portion 6.

Referring to fig. 1, 8 and 11 in combination with fig. 2 and 3, the side portion 6 includes a first side portion 61, a second side portion 62 integrally connected to the first side portion 61, a third side portion 63 integrally connected to the second side portion 62, a fourth side portion 64 integrally connected to the third side portion 63, and a tail portion 65 integrally extending from the fourth side portion 64. In the process of folding the main body 200 from the unfolded state, first, the tail portion 65 is adhered to the inner wall of the first side portion 61, so that the first side portion 61, the second side portion 62, the third side portion 63 and the fourth side portion 64 are folded to enclose a box-shaped storage space, specifically, the box-shaped body refers to a rectangular storage space having a longitudinal direction (L direction) and a width direction (W direction). After folding, the first side portion 61 and the third side portion 63 are disposed opposite to each other in the width direction, and the second side portion 62 and the fourth side portion 64 are disposed opposite to each other in the length direction. The longitudinal direction and the width direction of (2) are rectangular with respect to the housing space, but of course, since a square is a special form of a rectangle, the longitudinal direction and the width direction may be equal to each other.

With continued reference to fig. 1, 8, and 11 in conjunction with fig. 2 and 3, further, each of the top portion 4 and the bottom portion 5 includes a first length flap 66 integrally connected to the first side portion 61, a first width flap 67 integrally connected to the second side portion 62, a second length flap 68 integrally connected to the third side portion 63, and a second width flap 69 integrally connected to the fourth side portion 64. In the unfolded state, the first length flap 66, the first width flap 67, the second length flap 68, and the second width flap 69 are separated from each other; in the case state, the first width rocking cover 67 and the second width rocking cover 69 are located on both sides in the longitudinal direction of the storage space, and the first length rocking cover 66 and the second length rocking cover 68 cover and shield the first width rocking cover 67 and the second width rocking cover 69 to form a top cover and a bottom cover of the storage space. The covering and shielding manner can be that the first length rocking cover 66 and the second length rocking cover 68 are at least partially overlapped and then covered and shielded on the first width rocking cover 67 and the second width rocking cover 69; the first width flap 67 and the second width flap 69 may be covered with only the free long sides in a butt joint manner (no overlap).

Referring to fig. 1, 2 and 3, in particular, the first length rocking cover 66 is provided with a first opening groove 660, the second length rocking cover 68 is provided with a second opening groove 680, the first opening groove 660 extends from the free long side of the first length rocking cover 66 along the width direction towards the first side portion 61, and the second opening groove 680 extends from the free long side of the second length rocking cover 68 along the width direction towards the third side portion 63. In the box state, the first opening groove 660 and the second opening groove 680 are inserted and connected to form a straight line segment, so that one part of the first length rocking cover 66 covers one part of the second length rocking cover 68, and the other part of the first length rocking cover 66 is covered by the other part of the second length rocking cover 68. The uncovered edge part (including the left free short edge and part of the free long edge) of the first length rocking cover 66, the straight line section and the uncovered edge part (including the right free short edge and part of the free long edge) of the second length rocking cover 68 form a wave-shaped bending contour, and the buckling part 3 forms longitudinal buckling parallel to the straight line section and/or transverse buckling perpendicular to the straight line section at the diagonal position of the wave-shaped bending contour.

Referring to fig. 1, 8 and 11, it is preferable that the locking groove 60 is provided in an even number in pairs. The latch grooves 60 are located on the first and third sides 61, 63 and/or the latch grooves 60 are located on the second and fourth sides 62, 64. Specifically, referring to the first embodiment of the present invention shown in fig. 1 to 7, the locking groove 60 is located on the first side 61 and the third side 63, so that the buckling portion 3 forms a transverse buckling perpendicular to the straight line segment at the diagonal position of the wavy bending contour; referring to fig. 8 to 10, in the second embodiment of the present invention, the locking groove 60 is located on the second side portion 62 and the fourth side portion 64, so that the buckling portion 3 forms a longitudinal buckling parallel to the straight line segment at the diagonal position of the wavy bending contour; referring to fig. 11 and 12, the third embodiment of the present invention is a superposition of the first and second embodiments, and the locking groove 60 is disposed at four positions of the first side portion 61, the second side portion 62, the third side portion 63 and the fourth side portion 64, so that in the third embodiment of the present invention, the buckling portion 3 forms both a longitudinal buckling parallel to the straight line segment and a transverse buckling perpendicular to the straight line segment at a diagonal position of the wavy bending contour, thereby enhancing the holding force of the locking structure 100 on the body 200 in the box state. That is, regardless of whether the first length flap 66 covers the left half of the second length flap 68 or the second length flap 68 covers the right half of the first length flap 66, two latching structures 100 provide dual latching forces, further enhancing stability.

The following are specifically mentioned: the latch structure 100 of the present invention preferably uses the same paper material as the body 200, and since the overall size of the body 200 is small, the latch structure 100 is generally cut integrally by using leftover material left after the body 200 is manufactured, which saves cost; in other embodiments, the locking structure 100 may also be made of plastic or metal, and in this case, the base portion 1 and the retaining portion 3 are integrally formed into an inverted L-shaped structure, and the positioning portion 2 may be integrally provided with or separately provided from the inverted L-shaped structure composed of the base portion 1 and the retaining portion 3. In the case of an integral arrangement, the latch structure 100 made of plastic or metal also requires that the corresponding abutting portion 23 can be elastically deformed, and the latch structure 100 is different from the latch structure 100 made of paper material only in the material difference and the installation process and the action principle are the same. Under the condition of separate arrangement, in the installation process of the locking structure 100 made of materials such as plastics or metals, the positioning portion 2 is firstly inserted into the locking groove 60 from the inner side of the accommodating space to the outer side, and then the inverted L-shaped structure is installed and positioned on the positioning portion 2, so that the base portion 1 is attached to the outer wall surface of the side portion 6, and the locking portion 3 is locked with the top portion 4 or the bottom portion 5.

In another embodiment of the locking structure 100, the inverted L-shaped structure is mounted and positioned on the positioning portion 2, and can be detached or assembled, for example, by providing a screw and a threaded hole between the base 1 and the positioning portion 2. The part of the positioning part 2 exposed out of the side part 6 forms a screw, the base part 1 is provided with a screw hole, the external thread of the screw is meshed with the internal thread of the screw to realize positioning and installation between the base part 1 and the positioning part 2, the positioning and installation device has the advantages of convenience, rapidness and high stability, and meanwhile, the inverted L-shaped structure and the positioning part 2 can be disassembled, so that the device can be repeatedly utilized, and the waste of resources is avoided.

In summary, the present invention prevents the top 4 or bottom 5 from opening accidentally relative to the sides 6 by providing a retention force between the sides 6 and top 4 or sides 6 and bottom 5 of the carton by the catch structures 100 positioned on the sides 6; compared with the existing adhesive tape sealing mode, when the adhesive tape sealing box is disassembled and assembled, the retention force on the top part 4 or the bottom part 5 can be relieved only by manually tearing the lock catch structure 100 made of paper materials or manually screwing and separating the lock catch structure 100 made of plastic or metal and the like, the problems that the traditional adhesive tape sealing box mode wastes time and labor, the adhesive tape is difficult to degrade and damages the nature are solved, and the personal safety problem caused by the box dismantling of tools such as a sharp cutter and the like is also avoided.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, such as the directional descriptions of "front", "back", "left", "right", "upper", "lower", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical personnel in the technical field can still make modifications or equivalent substitutions on the present invention, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention should be covered in the claims of the present invention.

Claims (10)

1. A hasp structure which characterized in that: the fixing device comprises a base (1), a positioning part (2) and a buckling part (3), wherein the positioning part (2) and the buckling part (3) are connected with the base (1) and are positioned on the same side of the base (1).

2. The latch structure of claim 1, wherein: the positioning portion (2) includes a lateral portion (21) connected to the base portion (1), a vertical portion (22) connected to the lateral portion (21), and an abutting portion (23) extending obliquely from the vertical portion (22) toward the base portion (1).

3. The latch structure of claim 2, wherein: the abutment portion (23) is formed at the top end and/or the bottom end of the vertical portion (22).

4. The latch structure of claim 2, wherein: the transverse part (21) is located at the middle position of the base part (1) in the vertical extending direction, and the buckling part (3) is located at one end of the base part (1) in the vertical extending direction.

5. The latch structure of claim 1, wherein: the latch structure (100) is one of a paper material, a plastic material, and a metal material.

6. A carton comprising a body (200) and a catch arrangement (100) according to any one of claims 2 to 5, the body (200) comprising a top (4), a bottom (5) and a plurality of sides (6), the sides (6) being integrally connected between the top (4) and the bottom (5), the body (200) having two states, deployed and boxed, characterized in that:

at least one of the side parts (6) is provided with a lock catch groove (60) for the positioning part (2) of the lock catch structure (100) to penetrate through, in a box body state, the base part (1) of the lock catch structure (100) is attached to the outer wall surface of the side part (6), the abutting part (23) of the lock catch structure (100) abuts against the inner wall surface of the side part (6), and the buckling part (3) of the lock catch structure (100) is buckled with the top part (4) or the bottom part (5).

7. The carton according to claim 6, wherein: the transverse part (21) comprises a large-diameter part (211) connected with the base part (1) and a small-diameter part (212) connected with the vertical part (22), the large-diameter part (211) is clamped in the lock catch groove (60), and the small-diameter part (212) protrudes out of the lock catch groove (60).

8. The carton according to claim 6, wherein: the side portion (6) includes a first side portion (61), a second side portion (62) integrally connected to the first side portion (61), a third side portion (63) integrally connected to the second side portion (62), a fourth side portion (64) integrally connected to the third side portion (63), and a tail portion (65) integrally extending from the fourth side portion (64), the tail part (65) is adhered to the inner wall of the first side part (61) so that the first side part (61), the second side part (62), the third side part (63) and the fourth side part (64) are folded to enclose a containing space in a box shape, the locking grooves (60) are arranged in pairs in an even number, the locking grooves (60) are arranged on the first side part (61) and the third side part (63) which are oppositely arranged, and/or the locking groove (60) is located on the second side portion (62) and the fourth side portion (64) which are oppositely arranged.

9. The carton according to claim 8 wherein: the top (4) and the bottom (5) each include a first length flap (66) integrally connected with the first side (61), a first width flap (67) integrally connected with the second side (62), a second length flap (68) integrally connected with the third side (63), and a second width flap (69) integrally connected with the fourth side (64).

10. The carton according to claim 9 wherein: the first length rocking cover (66) is provided with a first open slot (660), and the second length rocking cover (68) is provided with a second open slot (680).

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