CN217199171U

CN217199171U - Improved self-locking corrugated paper box

Info

Publication number: CN217199171U
Application number: CN202220369360.9U
Authority: CN
Inventors: 黄亚楠; 把宁; 赵真真; 何石; 英琪; 李超; 岳宇; 高晓庆
Original assignee: Postal Scientific Research And Planning Institute Co ltd
Current assignee: Postal Scientific Research And Planning Institute Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-08-16
Anticipated expiration: 2032-02-23

Abstract

The utility model provides a follow-on auto-lock corrugated box, include: the top and the bottom of the box body are respectively provided with a self-locking box cover structure; the self-locking box cover structure comprises a left rocking cover, a right rocking cover, a front rocking cover and a rear rocking cover; the front rocking cover is provided with a jack; the front end of the rear rocking cover is provided with a lock tongue; the two ends of the lock tongue are folded inwards and then inserted into the jacks. The utility model discloses carry out structural design to corrugated box, need not to use joint sealing sticky tape, can realize sealing, open the back spring bolt and will destroy and can't recover, can play the theftproof effect.

Description

Improved self-locking corrugated paper box

Technical Field

The utility model belongs to the technical field of the postal industry encapsulation articles for use, concretely relates to follow-on auto-lock corrugated box.

Background

Corrugated boxes are the most common box-type packaging articles in the postal and express industry, such as postal packaging boxes, express packaging boxes, adhesive tape-free packaging boxes and the like.

The most common box-type packaging article in the postal industry at present is 0201 type flat-cover corrugated paper boxes, and sealing can be realized only by matching with a box sealing adhesive tape. For the mailing of special articles, such as valuables, customers have anti-theft requirements, and common corrugated cases are difficult to meet.

SUMMERY OF THE UTILITY MODEL

The defect to prior art exists, the utility model provides an improved generation auto-lock corrugated box can effectively solve above-mentioned problem.

The utility model adopts the technical scheme as follows:

the utility model provides a follow-on auto-lock corrugated box, include: the box body (1), the top and the bottom of the box body (1) are respectively provided with a self-locking box cover structure;

the self-locking box cover structure comprises a left rocking cover (2), a right rocking cover (3), a front rocking cover (4) and a rear rocking cover (5);

the left rocking cover (2) and the right rocking cover (3) are buckled at the opening position of the box body (1) in a left-right opposite mode; the front rocking cover (4) is inwards buckled on the upper surfaces of the left rocking cover (2) and the right rocking cover (3); the front rocking cover (4) is provided with an insertion hole (6); the jack (6) is in a semi-frame shape and comprises a left vertical hole (6-1), a horizontal hole (6-2) and a right vertical hole (6-3) which are communicated;

the rear rocking cover (5) is buckled on the left rocking cover (2), the right rocking cover (3) and the front rocking cover (4), and a lock tongue (7) is arranged at the front end of the rear rocking cover (5); the lock tongue (7) comprises a left side part (7-1), a middle part (7-2) and a right side part (7-3) which are integrally formed; wherein the left side portion (7-1) and the middle portion (7-2) have a score line therebetween; the middle part (7-2) and the right side part (7-3) have a crease line therebetween;

the middle part (7-2) of the lock tongue (7) is inserted into the horizontal hole (6-2), the left side part (7-1) is inwards folded through a crease line and then inserted into the left vertical hole (6-1), the right side part (7-3) is inwards folded through a crease line and then inserted into the right vertical hole (6-3), and after the lock tongue is inserted in place, the left side part (7-1) and the right side part (7-3) both rebound to the horizontal state, so that self-locking is realized.

Preferably, the width of the front rocking cover (4) is smaller than that of the rear rocking cover (5).

Preferably, the lap joint of the corrugated case is fixed by nailing with metal nails.

The utility model provides an improved generation's auto-lock corrugated box has following advantage:

the utility model discloses carry out structural design to corrugated box, need not to use joint sealing sticky tape, can realize sealing, open the back spring bolt and will destroy and can't recover, can play the theftproof effect.

Drawings

Fig. 1 is a plan view of an improved self-locking corrugated box provided by the present invention;

FIG. 2 is a state diagram of the two side swing covers provided by the present invention when closed;

FIG. 3 is a state diagram when the short rocking cover provided by the utility model is closed and the two ends of the lock tongue are folded inwards by 90 degrees;

fig. 4 is the state diagram after the bolt aligning jack is inserted.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model provides a follow-on auto-lock corrugated box through structural design for corrugated box realizes the auto-lock, has obvious destruction vestige after opening, can play fine theftproof effect, guarantees mail security, solves special business's user demand.

The utility model provides a follow-on auto-lock corrugated box, include: the box body 1, the top and the bottom of the box body 1 are respectively provided with a self-locking box cover structure;

the self-locking box cover structure comprises a left rocking cover 2, a right rocking cover 3, a front rocking cover 4 and a rear rocking cover 5;

the left rocking cover 2 and the right rocking cover 3 are oppositely buckled at the opening position of the box body 1 from left to right; the front rocking cover 4 is inwards buckled on the upper surfaces of the left rocking cover 2 and the right rocking cover 3; the front rocking cover 4 is provided with an inserting hole 6; the jack 6 is in a semi-frame shape and comprises a left vertical hole 6-1, a horizontal hole 6-2 and a right vertical hole 6-3 which are communicated;

the rear rocking cover 5 is buckled on the left rocking cover 2, the right rocking cover 3 and the front rocking cover 4, and a lock tongue 7 is arranged at the front end of the rear rocking cover 5; the bolt 7 comprises a left side part 7-1, a middle part 7-2 and a right side part 7-3 which are integrally formed; wherein, a crease line is arranged between the left side part 7-1 and the middle part 7-2; the middle part 7-2 and the right side part 7-3 have a crease line therebetween;

the middle part 7-2 of the lock tongue 7 is inserted into the horizontal hole 6-2, the left side part 7-1 is inserted into the left vertical hole 6-1 after being folded inwards through the crease line, the right side part 7-3 is inserted into the right vertical hole 6-3 after being folded inwards through the crease line, and after the lock tongue is inserted in place, the left side part 7-1 and the right side part 7-3 both rebound to the horizontal state to realize self locking.

In practical application, the width of the front rocking cover 4 is smaller than that of the rear rocking cover 5. The lap joint of the corrugated case is fixed by adopting metal nails.

Therefore, the utility model provides an improved generation auto-lock corrugated carton mainly comprises box, rocking lid, spring bolt, jack and metal peg, and the nail closes the shaping when dispatching from the factory, and auto-lock case lid structure is the same from top to bottom. During the use, will shake the lid earlier and close bottom both sides, then will take the rocking lid of jack to close, fold 90 along the indentation line with spring bolt both ends at last, insert after lining up with the jack, wait that it kick-backs to expand the back and can realize the auto-lock. And repeating the above operations at the top. The corrugated case after auto-lock can destroy the spring bolt when opening, plays the theftproof effect.

It is characterized in that:

provided is a box body. The corrugated paper board is made of three or five layers of corrugated paper boards, has good bursting strength, puncture strength and edge pressure strength, and can protect the internal parts.

A rocking cover is arranged. The two side rocking covers play a role in protection, the long rocking cover at the top or the bottom is connected with the spring bolt, and the spring bolt jack is arranged at the joint of the short rocking cover and the box body.

And the lock tongue is arranged. The long rocking cover is connected with the top or the bottom, the inner side of the lock tongue is provided with two indentation lines, two ends of the lock tongue can be inwards folded along the indentation lines, the lock tongue can be self-locked after being inserted into the jack, and the lock tongue can be damaged when the lock tongue is opened. The lock tongue is the key of the self-locking structure.

And fourthly, inserting the jack. One part of the self-locking structure is matched with the lock tongue for use.

The metal nail is fifth. The lap joint of the corrugated case is nailed by metal nails, so that the structure of the corrugated case is firmer.

The utility model provides an improved generation auto-lock corrugated carton adopts five layers of corrugated container board preparation to form, and stupefied type is stupefied for BE, can compromise rigidity and shock-absorbing capacity, better protection internals. When leaving the factory, the corrugated board is integrally formed, and the lap joint adopts metal nails to carry out double-nail nailing. The upper and lower structure is the same, and upper portion is taken as an example, and the top flap links to each other with the spring bolt, has two indentation lines on the spring bolt, makes things convenient for both ends infolding. The short rocking cover is connected with the box body, is provided with a jack and is matched with the lock tongue for use. The rocking covers on the two sides play a role in protecting and supporting. As shown in fig. 1, which is a plan view of a corrugated box;

the operation steps are shown in the figure (taking the upper part as an example).

Firstly, as shown in fig. 2, closing the rocking covers at two sides;

and secondly, as shown in figure 3, the short rocking cover is closed, and the two ends of the bolt are folded inwards by 90 degrees.

And thirdly, as shown in fig. 4, inserting the lock tongue into the jack in an aligning way until the two ends of the lock tongue rebound.

The lock bolt can be damaged by opening the lock after self-locking, cannot be restored, and plays a role in theft prevention.

Therefore, the utility model discloses carry out structural design to corrugated box, need not to use joint sealing sticky tape, can realize sealing, open the back spring bolt and will destroy and can't recover, can play the theftproof effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.

Claims

1. An improved self-locking corrugated box, comprising: the box body (1), the top and the bottom of the box body (1) are respectively provided with a self-locking box cover structure;

2. The improved self-locking corrugated box according to claim 1, wherein the width of the front flap (4) is smaller than the width of the rear flap (5).

3. The improved self-locking corrugated box of claim 1, wherein the overlapping area of the corrugated box is fixed by nailing with metal nails.