CN210913275U

CN210913275U - Self-locking type packaging carton

Info

Publication number: CN210913275U
Application number: CN201921618589.6U
Authority: CN
Inventors: 冯玉生; 程东
Original assignee: Tianjin Hengjin Packaging Products Co ltd
Current assignee: Tianjin Hengjin Packaging Products Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-07-03
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to the technical field of packaging boxes and discloses a self-locking packaging carton, which comprises a box body and a cover plate, wherein the box body comprises a plurality of side plates formed by enclosing and a bottom plate connected with each side plate, and one side of the cover plate is connected to one side plate in a bending way; the cover plate is provided with a first self-locking plate and a second self-locking plate which are integrally formed with the cover plate; the inner wall of the side plate of the extending part of the cover plate close to the box body is provided with a groove, the inner wall of the groove is hinged with a vertical plate used for locking the second self-locking plate, the hinged position of the inner wall of the groove and the vertical plate is provided with a torsion spring, one side of the vertical plate exposed out of the groove is provided with a wedge surface, the second self-locking plate is provided with a wedge end which is mutually abutted to the wedge surface of the vertical plate, and the second self-locking plate can be locked at the bottom of the vertical plate. After putting into the box with article, merge the apron lid in the box, make first auto-lock board and the second on the apron stretch into in the box, the riser locks the second auto-lock board, makes the apron unable open to improve the theftproof effect.

Description

Self-locking type packaging carton

Technical Field

The utility model relates to a packing box technical field especially relates to a from locking-type packing carton.

Background

In present product packaging, adopt carton packing usually more, especially at the very big today of express delivery logistics demand, for convenience carton packing, adopt plastic tape to seal usually. The use of the adhesive tape not only increases the cost of sealing the box, but also causes environmental pollution because the plastic adhesive tape is difficult to be decomposed by soil due to special materials after being used and discarded. In addition, when the carton is unsealed, a sharp auxiliary tool is usually needed to be used for unsealing, which is very inconvenient and dangerous.

If do not use the sticky tape joint sealing, what has existed on the market exempts from sticky tape carton structure and production technology too complicated, and manufacturing cost is higher, and the artificial efficiency is low in the unit interval, just can open under the not destroyed prerequisite of carton simultaneously, and factor of safety is low and causes the overall theftproof effect of carton poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a from locking-type packing carton to overcome the problem that the factor of safety of the exempting from adhesive tape carton that prior art exists is low.

In order to achieve the above purpose, the basic scheme of the utility model is as follows: a self-locking packing carton comprises a carton body and a cover plate, wherein the carton body comprises a plurality of side plates formed by enclosing and a bottom plate connected with each side plate, one side of the cover plate is connected to one side plate of the carton body in a bendable manner, and the cover plate and the carton body are mutually covered to form an accommodating cavity; the cover plate is provided with an extension part integrally formed with the cover plate, the extension part comprises a first self-locking plate and a second self-locking plate which are continuous, and the first self-locking plate and the second self-locking plate can be accommodated in the accommodating cavity; the box is close to and has seted up the recess on the inner wall of the curb plate of the extension of apron, the inner wall of recess articulates there is the riser that is used for the closure second from the jam plate, and the articulated department of recess inner wall and riser is equipped with the torsional spring, the riser exposes the one side outside the recess and is equipped with the scarf, be equipped with on the second from the jam plate with the scarf of riser each other support the wedge end that leans on, and the second from the jam plate can be locked in the riser bottom.

Furthermore, a recessed portion is arranged at the upper end of the side plate where the groove is located, a first lock tongue plate and a second lock tongue plate which are integrally formed are connected in the recessed portion in a bendable mode, the first lock tongue plate can cover the recessed portion on the side plate, a through groove is formed in the connecting portion of the first self-locking plate and the second self-locking plate, and the second lock tongue plate can be inserted into the through groove in an inserted mode.

By adopting the technical scheme, the cover plate covers the box body, the first lock tongue plate is bent towards the direction of the concave part, and the second lock tongue plate is driven to be inserted into the through groove to lock the cover plate.

Further, be equipped with the portion of tearing of leading of rectangular shape on the apron, the both sides of leading the portion of tearing are equipped with respectively leads and tear the line, and lead the one of them one end of tearing the portion and be equipped with and be convenient for tear lead the piece of tearing.

By adopting the technical scheme, when the articles in the box body need to be taken out, the tearing part on the cover plate is torn by the tearing guiding piece, the cover plate can be split into two parts, and the articles in the box body can be taken out by opening the cover plate.

Furthermore, an ear plate is integrally formed on a side plate of the box body, and after the cover plate is covered on the box body, the ear plate is arranged below the cover plate.

Through adopting above-mentioned technical scheme, the apron lid closes in the box after, and the apron below is arranged in to the otic placode to carry out dual lid with the box and close, avoid in the transportation, article in the box take place to leak.

Furthermore, handle grooves are formed in two adjacent side plates of the side plate with the groove formed in the box body respectively, and folded plates are connected to the side edges of the handle grooves in a bendable mode and can cover the handle grooves.

Through adopting above-mentioned technical scheme, during the transport box, can buckle the folded plate, stretch into the hand groove with the hand, be convenient for carry the box.

Furthermore, the surface cladding of box has the image rubber protective body that is used for the anticollision, the image rubber protective body includes rubber tape and rubber ball, the rubber tape cladding is in the junction of each curb plate and bottom plate, the rubber ball is located the base angle of box.

By adopting the technical scheme, the image rubber protective body can prevent the box body from being deformed due to collision with a hard object in the transportation process.

Compared with the prior art, the scheme has the beneficial effects that: after articles are placed into the box body, the cover plate is covered and combined with the box body, a first self-locking plate and a second self-locking plate on the cover plate extend downwards into the box body gradually, the wedge-shaped end of the second self-locking plate is abutted to the wedge surface of the vertical plate gradually and generates thrust to the wedge surface of the vertical plate, the vertical plate swings towards the groove until the wedge-shaped end of the second self-locking plate is disengaged from and abutted to the wedge surface of the vertical plate, the vertical plate swings back to the initial position under the action of the torsion spring, the second self-locking plate is located below the vertical plate, and the vertical plate locks the second self-locking plate; on the apron was covered completely to the box this moment, the apron was locked on the box, has improved the factor of safety of carton effectively.

Drawings

Fig. 1 is a schematic structural view of a self-locking packing carton of the present invention;

fig. 2 is a schematic structural view of the self-locking state of the self-locking packing carton of the present invention;

FIG. 3 is a schematic cross-sectional view in the left-hand direction of FIG. 2;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Reference numerals in the drawings of the specification include: the front side plate 1, the first lock tongue plate 11, the second lock tongue plate 12, the groove 13, the vertical plate 14, the rear side plate 2, the left side plate 3, the right side plate 4, the cover plate 5, the first self-locking plate 51, the second self-locking plate 52, the tear guide part 53, the handle groove 6, the folded plate 61, the rubber belt 7, the rubber ball 71, the ear plate 8 and the bottom plate 9.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

a self-locking packing carton, as shown in figure 1, comprises a box body, the box body comprises a front side plate 1, a rear side plate 2, a left side plate 3, a right side plate 4 and a bottom plate 9 which are integrally formed, the front side plate 1, the rear side plate 2, the left side plate 3 and the right side plate 4 are mutually enclosed, and each side plate is mutually connected with the bottom plate 9. The upper edges of the left side plate 3 and the right side plate 4 are respectively integrally formed with an ear plate 8, and the ear plates 8 are connected to the left side plate 3 and the right side plate 4 in a bendable manner. Handle groove 6 has been seted up on left side board 3 and right side board 4 surface, and the top edge of handle groove 6 is connected with folded plate 61 with buckling, and folded plate 61 can cover handle groove 6.

As shown in fig. 1, a cover plate 5 is connected to the rear side plate 2 of the box body in a bendable manner, and the cover plate 5 and the box body can be mutually covered to form an accommodating cavity; be equipped with the portion 53 that tears of leading of rectangular shape on apron 5, the both sides of leading the portion 53 that tears are equipped with respectively lead and tear the line, and lead the one of them one end of tearing the portion 53 and be equipped with the piece that tears of leading of being convenient for tear the portion 53 that tears.

As shown in fig. 2 to 4, the cover plate 5 is provided with an extending portion integrally formed with the cover plate 5, the extending portion includes a first self-locking plate 51 and a second self-locking plate 52, the first self-locking plate 51 and the second self-locking plate 52 can be accommodated in the accommodating cavity, the first self-locking plate 51 is perpendicular to the cover plate 5, and the second self-locking plate 52 is perpendicular to the first self-locking plate 51. Offer the recess 13 on the inner wall of the preceding curb plate 1 of box, the inner wall of recess 13 articulates there is the riser 14 that is used for the closure second from jam plate 52, and the articulated department of recess 13 inner wall and riser 14 is equipped with the torsional spring, a part of riser 14 exposes outside recess 13, one side that riser 14 exposes outside recess 13 is equipped with the scarf, and the cross section of riser 14 from top to bottom increases gradually, be equipped with the wedge end that leans on each other with the scarf of riser 14 on the second from jam plate 52, and second from jam plate 52 can be locked in riser 14 bottom.

As shown in fig. 1 and 2, a recess is formed in an upper end of the front side plate 1, the first tongue plate 11 and the second tongue plate 12 which are integrally formed are connected to the recess in a bendable manner, the first tongue plate 11 can cover the recess on the side plate, a through groove is formed at a joint of the first self-locking plate 51 and the second self-locking plate 52, and the second tongue plate 12 can be inserted into the through groove.

As shown in fig. 1, the outer surface of the box body is coated with an image rubber protective body for collision avoidance, the image rubber protective body comprises a rubber belt 7 and a rubber ball 71, the rubber belt 7 is coated at the joint of each side plate and the bottom plate 9, and the rubber ball 71 is positioned at the bottom corner of the box body.

The specific implementation mode of the scheme is as follows: the front side plate 1, the rear side plate 2, the left side plate 3, the right side plate 4 and the bottom plate 9 of the box body enclose an open space for placing articles. Initially, the cover plate 5 is in an open state; during the use, put into the box with article, then on fitting the box with apron 5 lid to buckle the otic placode 8 on left side board 3 and the right side board 4 to the box in, make otic placode 8 place in apron 5 below. The in-process that the lid of apron 5 closed in the box, first auto-lock board 51 and the second on the apron 5 stretch into the box downwards gradually, the in-process that the second auto-lock board 52 stretched into the box, the wedge end of second auto-lock board 52 leans on with the wedge face of riser 14 gradually, and in the in-process that second auto-lock board 52 continuously moved downwards, the wedge face of second auto-lock board 52 produced the thrust to the wedge face of riser 14, and promote riser 14 around articulated department to take place to swing in the recess 13 of leading curb plate 1, until the wedge end of second auto-lock board 52 and the wedge face of riser 14 break away from each other and contradict, riser 14 swings to initial position backward under the effect of torsional spring, second auto-lock board 52 is located the below of riser 14, make riser 14 lock second auto-lock board 52, apron 5 covers on the box completely this moment, and apron 5 locks on the box. Then, the first tongue locking plate 11 on the front side plate 1 is bent towards the direction of the concave part, and drives the second tongue locking plate 12 to be inserted into the through groove, so that the cover plate 5 is doubly locked, and the cover plate 5 cannot be opened.

When the articles in the box body need to be taken out, the tearing guide part 53 on the cover plate 5 is torn by the tearing guide piece, so that the cover plate 5 can be split into two parts, and the articles in the box body can be taken out by opening the cover plate 5.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a from locking-type packing carton which characterized in that: the box comprises a box body and a cover plate (5), wherein the box body comprises a plurality of side plates formed by enclosing and a bottom plate (9) connected with each side plate, one side of the cover plate (5) is connected to one side plate of the box body in a bendable manner, and the cover plate (5) and the box body are mutually covered to form an accommodating cavity; the cover plate (5) is provided with an extension part integrally formed with the cover plate (5), the extension part comprises a first self-locking plate (51) and a second self-locking plate (52) which are continuous, and the first self-locking plate (51) and the second self-locking plate (52) can be accommodated in the accommodating cavity; the box has seted up on being close to the inner wall of the curb plate of the extension of apron (5) recess (13), the inner wall of recess (13) articulates there is riser (14) that are used for the closure second from jam plate (52), and the articulated department of recess (13) inner wall and riser (14) is equipped with the torsional spring, one side that riser (14) expose outside recess (13) is equipped with the wedge face, be equipped with on second from jam plate (52) and lean on the wedge end that leans on each other with the wedge face of riser (14), and second from jam plate (52) can be locked in riser (14) bottom.

2. The self-locking packaging carton according to claim 1, characterized in that: the upper end of the side plate where the groove (13) is located is provided with a recessed portion, a first lock tongue plate (11) and a second lock tongue plate (12) which are integrally formed are connected in the recessed portion in a bendable mode, the first lock tongue plate (11) can cover the recessed portion in the side plate, a through groove is formed in the connecting portion of the first self-locking plate (51) and the second self-locking plate (52), and the second lock tongue plate (12) can be inserted into the through groove in an inserting mode.

3. The self-locking packaging carton according to claim 1, characterized in that: be equipped with the portion of tearing of leading (53) of rectangular shape on apron (5), the both sides of leading the portion of tearing (53) are equipped with respectively leads and tear the line, and lead the one of them one end of tearing (53) and be equipped with and be convenient for tear the piece of leading tearing of leading the portion of tearing (53).

4. The self-locking packaging carton according to claim 1, characterized in that: an ear plate (8) is integrally formed on a side plate of the box body, after the box body is covered by the cover plate (5), the ear plate (8) is arranged below the cover plate (5).

5. The self-locking packaging carton according to claim 1, characterized in that: handle groove (6) have been seted up respectively on two adjacent curb plates of the curb plate that the box was seted up fluted (13), wherein of handle groove (6) be connected with folded plate (61) with the side bendable, and folded plate (61) can cover handle groove (6).

6. The self-locking packaging carton according to claim 1, characterized in that: the outer surface cladding of box has the image rubber protective body that is used for the anticollision, the image rubber protective body includes rubber tape (7) and rubber ball (71), rubber tape (7) cladding is in the junction of each curb plate and bottom plate (9), rubber ball (71) are located the base angle of box.