CN216375478U - Lock catch for reusing steel belt box - Google Patents

Abstract

The utility model relates to the field of packaging boxes, in particular to a lock catch for repeatedly using a steel belt box; the steel belt is arranged on the box board, the base is arranged on the adjacent box board, the base is U-shaped, a through hole in the middle of the U-shaped base can be inserted into a matched movable inserting sheet, base device holes are respectively arranged on two sides of the U-shaped base, a plurality of inner side teeth are arranged on the inner side of an elastic pressing sheet on the wall of the through hole in the middle of the U-shaped base, outer side teeth are arranged on the outer side of the movable inserting sheet, the inner side teeth on the elastic pressing sheet are matched with the outer side teeth on the movable inserting sheet, the lower half part of the elastic pressing sheet is an arc drag hook extending outwards, the outer side teeth are arranged on the movable inserting sheet in the moving stroke of the movable inserting sheet contacted with the inner side teeth of the elastic pressing sheet, the back surface of the movable inserting sheet is a smooth plane, one end of the movable inserting sheet is in a flat and pointed shape, the other end of the movable inserting sheet is a U-shaped hook bending downwards, and the suspended side surface of the protruding part of the groove is made into a double-layer metal sheet by punching edge material; the utility model prolongs the service life of the packing box and reduces the use cost.

Description

Lock catch for reusing steel belt box

Technical Field

The utility model relates to the field of packaging boxes, in particular to a lock catch for repeatedly using a steel belt box.

Background

The steel tongue piece and the steel edge of patent CN2467422Y used on the market at present, the head of the tongue piece is inserted into the steel belt groove and bent, the existing connection mode has three defects, firstly, each tongue piece head must be inserted into the corresponding steel belt groove at the same time when the box plate is assembled, the operation is very inconvenient or even difficult, for the tongue piece head used repeatedly, the head of the tongue piece on the box plate can be inserted into the corresponding groove only by re-turning the bent tongue piece head into the straight flat state, secondly, the tongue piece head is bent, straightened and then bent repeatedly in the repeated use process, time, labor and labor are wasted, the boxing operation efficiency is lower, thirdly, the side surface of the protruding part of the groove is a single-layer metal sheet, and the head of the non-metal insertion sheet is easy to be cut; patent CN205078558U novel fastener that steel side box was used, there are two defects, the first is that expansion pipe is fixed with first connecting piece distance, can't compress tightly the boxboard of belted steel belt slot on the boxboard of adjacent belt buckle spare, the clearance can not tighten up the regulation between the adjacent boxboard promptly, the second is the box wall thickness that adopts different thickness that receives the box size influence, because of the bulge loop axial stretch out length fixed so will be different at the different deep positions of wall thickness, and then influence the firm in connection degree that the bulge loop radially rises in the box hole, above-mentioned defect can not adapt to the higher requirement that modern packing box provided.

Disclosure of Invention

The utility model improves aiming at the defects, adopts a locking device which can realize quick, convenient and reusable and can connect adjacent box plates into a whole, and a lock catch for reusing a steel band box, and comprises a base, a movable inserting piece and a steel band, wherein the steel band is arranged on the box plates, the base is arranged on the adjacent box plates, the base is U-shaped, a through hole in the middle of the U-shaped base can be inserted into the matched movable inserting piece, base device holes are respectively arranged at two sides of the U-shaped base and are fixed with the box plates through screws, a plurality of inner side teeth are arranged at the inner side of an elastic pressing sheet on the wall of the through hole plate in the middle of the U-shaped base, outer side teeth are arranged at the outer side of the movable inserting piece, the inner side teeth on the elastic pressing sheet are matched with the outer side teeth on the movable inserting piece, the inner side teeth on the elastic pressing sheet are contacted with the outer side teeth on the movable inserting piece and can automatically lock the movable inserting piece, the lower half part of the elastic pressing sheet is a section of an arc drag hook extending outwards, the movable inserting piece is contacted with the inner side teeth on the movable inserting piece in the moving stroke, the back surface of the movable insertion sheet is a smooth plane, one end of the movable insertion sheet is in a flat and sharp shape, the other end of the movable insertion sheet is a U-shaped hook bent downwards, and the suspended side surface of the protruding part of the groove is made into a double-layer metal sheet by punching edge materials; the non-metal inserting sheet is not easy to be cut, the movable inserting sheet is inserted into the middle through hole of the U-shaped base to move along the direction of the teeth, the movable inserting sheet is pulled out of the middle through hole of the U-shaped base to be incapable of moving along the self-locking direction of the teeth, only the arc draw hook on the elastic pressing sheet is pulled out to release self-locking, so that the inner teeth of the elastic pressing sheet are separated from the outer teeth of the movable inserting sheet, the movable inserting sheet can be pulled out of the middle through hole of the U-shaped base, and the movable inserting sheet can be self-locked by the elastic pressing sheet in a moving stroke; when the packing box needs to be assembled, the movable inserting sheet penetrates through the upper groove of the box plate and is inserted into the middle through hole of the U-shaped base, the U-shaped hook is clamped on the double-layer metal sheet of the protruding part, the outer side teeth of the movable inserting sheet are simultaneously contacted with the inner side teeth of the elastic pressing sheet, the movable inserting sheet continues to be deeply inserted into the middle through hole of the U-shaped base along with the movable inserting sheet, the U-shaped hook on the movable inserting sheet enables the steel belt box plate to be tightly attached to the box plate of the U-shaped base, the inner side teeth of the elastic pressing sheet enable the movable inserting sheet to be fixed in a self-locking mode after the steel belt box plate is tightly attached to the box plate of the U-shaped base and moves in place, and the purpose that the steel belt box plate and the box plate of the U-shaped base are mutually locked is achieved; when the packing box is disassembled, the arc draw hook on the elastic pressing sheet is pulled outwards to enable the inner side teeth of the elastic pressing sheet to leave the outer side teeth of the movable inserting sheet, and the movable inserting sheet can be pulled out from the middle through hole and the groove of the U-shaped base, so that the process of assembling and disassembling the lock catch is completed; the U-shaped hook of the movable inserting sheet is outwards inserted into the middle through hole of the U-shaped base until the U-shaped hook touches the arc drag hook on the elastic pressing sheet, namely the movable inserting sheet is in a normally placed state.

Aiming at the defects, the utility model adopts the locking device which can realize quick and convenient use and can be used repeatedly to connect the adjacent box plates into a whole, solves the problem of low efficiency of dismounting and mounting in the process of repeated use of the packing box by adopting different locking schemes, reduces the difficulty of a packing box production enterprise, can improve the convenience of user operation, prolongs the service life of the packing box while improving the logistics packing efficiency, and reduces the use cost of the production enterprise, circulation links and terminal users.

Drawings

FIG. 1 is a schematic view of the present invention in use;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a half section A-A of the present invention;

FIG. 4 is a schematic left side view of the present invention;

FIG. 5 is a schematic drawing showing the movable insert of the present invention being pulled out;

FIG. 6 is a schematic view of the movable insert of the present invention being placed at ordinary times;

in the figure, the device comprises a base 1, a base 2, a movable inserting piece 3, a steel belt 4, a double-layer metal sheet 5, a U-shaped hook 6, a groove 7, a groove protruding part 8, an elastic pressing sheet 9, a base device hole 10, an arc draw hook 11, an outer side tooth 12 and an inner side tooth.

Detailed Description

Steel band case used repeatedly's hasp, including base 1, activity inserted sheet 2, steel band 3 is on the boxboard, and base 1 is on adjacent boxboard, its characterized in that: the base 1 is U-shaped, the middle through hole of the U-shaped base 1 can be inserted with the matched movable inserting sheet 2, two sides of the U-shaped base 1 are respectively provided with a base device hole 9 which is fixed with a box board through a screw, the inner side of an elastic pressing sheet 8 on the wall of the middle through hole board of the U-shaped base 1 is provided with a plurality of inner side teeth 12, the outer side of the movable inserting sheet 2 is provided with outer side teeth 11, the inner side teeth 12 on the elastic pressing sheet 8 are matched with the outer side teeth 11 on the movable inserting sheet 2, the inner side teeth 12 of the elastic pressing sheet 8 are contacted with the outer side teeth 11 of the movable inserting sheet 2 to be capable of self-locking the movable inserting sheet 2, the lower half part of the elastic pressing sheet 8 is a section of an arc drag hook 10 extending outwards, the outer side teeth 11 are arranged on the movable inserting sheet 2 in the moving stroke of the movable inserting sheet 2 contacted with the inner side teeth of the elastic pressing sheet 8, the back surface of the movable inserting sheet 2 is a smooth plane, one end of the movable inserting sheet 2 is flat and the other end of the movable inserting sheet is a U-shaped hook 5 bending downwards, the suspended side surface of the protruding part 7 of the groove 6 is made into a double-layer metal sheet 4 by punching edge materials; the nonmetal inserting sheet is not easy to be cut, the movable inserting sheet 2 is inserted into the middle through hole of the U-shaped base 1 to move along the teeth in a one-way mode, the movable inserting sheet 2 is pulled out of the middle through hole of the U-shaped base 1 to move along the self-locking direction of the teeth in a reverse mode, only the arc draw hook 10 on the elastic pressing sheet 8 is pulled out to release self-locking, the inner teeth 12 of the elastic pressing sheet 8 are separated from the outer teeth 11 of the movable inserting sheet 2, the movable inserting sheet 2 can be pulled out of the middle through hole of the U-shaped base 1, and the movable inserting sheet 2 can be locked by the elastic pressing sheet 8 in a moving stroke; when a packing box needs to be assembled, the movable inserting sheet 2 penetrates through the upper groove 6 of the box plate and is inserted into a middle through hole of the U-shaped base 1, the U-shaped hook 5 is clamped on the double-layer metal sheet 4 of the protruding part 7, the outer side teeth 11 of the movable inserting sheet 2 are simultaneously contacted with the inner side teeth 12 of the elastic pressing sheet 8, the movable inserting sheet 2 is continuously inserted into the middle through hole of the U-shaped base 1 along with the deep insertion of the movable inserting sheet 2, the U-shaped hook 5 on the movable inserting sheet 2 enables the steel belt 3 box plate to be tightly attached to the box plate of the U-shaped base 1, the inner side teeth 12 of the elastic pressing sheet 8 self-lock and fix the movable inserting sheet 2 at a position after the steel belt 3 box plate is tightly attached to the box plate of the U-shaped base 1 and moves to the position, and the purpose that the steel belt 3 box plate and the box plate of the U-shaped base 1 are mutually locked is realized; when the packing box is disassembled, the arc draw hook 10 on the elastic pressing sheet 8 is drawn outwards to make the inner side teeth 12 of the elastic pressing sheet 8 leave the outer side teeth 11 of the movable inserting sheet 2, and the movable inserting sheet 2 can be pulled out from the middle through hole and the groove 6 of the U-shaped base 1 to complete the process of assembling and disassembling the lock catch at one time; the U-shaped hook 5 of the movable inserting sheet 2 is inserted into the middle through hole of the U-shaped base 1 outwards until the U-shaped hook touches the arc drag hook 10 on the elastic pressing sheet 8, namely, the movable inserting sheet 2 is in a normally placed state.

Claims (6)

1. Steel band case used repeatedly's hasp, including base, activity inserted sheet, steel band, the steel band is on the boxboard, and the base is on adjacent boxboard, its characterized in that: the base is the U-shaped, through-hole can insert assorted activity inserted sheet in the middle of the U-shaped base, the U-shaped base both sides respectively are equipped with elastic pressing piece inboard on the through-hole siding wall in the middle of base device hole U type base and are provided with a plurality of inside teeth, the activity inserted sheet is provided with outside tooth by the outside, inside tooth on the elastic pressing piece and the outside tooth phase-match on the activity inserted sheet, the latter half of elastic pressing piece is one section circular arc drag hook that extends outwards, all be provided with outside tooth on the activity inserted sheet in the activity inserted sheet removal stroke that contacts with the inside tooth of elastic pressing piece, the activity inserted sheet back is smooth plane, be flat sharp shape at activity inserted sheet one end, the activity inserted sheet other end is the U-shaped crotch of bending downwards, the unsettled side of slot protruding portion utilizes the leftover bits of punching a hole to make double-layer sheetmetal.

2. The reusable lock of the steel strip box as claimed in claim 1, wherein: the inner side teeth of the elastic pressing sheet are contacted with the outer side teeth of the movable inserting sheet, so that the movable inserting sheet can be automatically locked.

3. The reusable lock of the steel strip box as claimed in claim 1, wherein: the movable inserting sheet can be self-locked by the elastic pressing sheet in the moving stroke.

4. The reusable lock of the steel strip box as claimed in claim 1, wherein: the movable inserting sheet is inserted into the middle through hole of the U-shaped base to move along the direction of the teeth, the movable inserting sheet is pulled out of the middle through hole of the U-shaped base to be incapable of moving along the self-locking direction of the teeth, only the arc draw hook on the elastic pressing sheet is pulled out to remove self-locking, so that the inner side teeth of the elastic pressing sheet are separated from the outer side teeth of the movable inserting sheet, and the movable inserting sheet can be pulled out of the middle through hole of the U-shaped base.

5. The reusable lock of the steel strip box as claimed in claim 1, wherein: the base device hole is fixed with the box plate through a screw.

6. The reusable lock of the steel strip box as claimed in claim 1, wherein: the U-shaped hook of the movable inserting sheet is outwards inserted into the middle through hole of the U-shaped base until the U-shaped hook touches the arc drag hook on the elastic pressing sheet, namely the movable inserting sheet is in a normally placed state.

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