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CN-224225703-U - Locking structure for box

CN224225703UCN 224225703 UCN224225703 UCN 224225703UCN-224225703-U

Abstract

The utility model relates to a locking structure for a box, which comprises a limit frame, a buckling point, a clamping edge, a locking edge, a convex step and a locking point, wherein the limit frame is of a hollow structure, the limit frame is arranged above a bottom box of the box, at least one buckling point is arranged on the side surface of the limit frame, the clamping edge is arranged on the side surface of an upper cover of the box, the buckling point butts against the clamping edge when the upper cover covers the bottom box, the clamping edge is provided with a width allowing the buckling point to transversely move, the locking edge is arranged on the upper side of the limit frame, the locking edge is provided with at least one notch groove, the notch groove is a through groove, the boss step is arranged on the inner side of the upper cover, the locking point butts against the clamping edge when the upper cover covers the bottom box during initial locking, after the locking point enters the notch groove, the locking point moves and butts against the locking edge during dislocation of the notch groove, double locking is realized, locking is firm, the box can be locked without installing a locking structure, the cost is saved, the operation is simple and convenient, the box can be effectively prevented from being opened by children by mistake, and hidden danger is avoided.

Inventors

  • ZHOU WEIFENG

Assignees

  • 东莞市万鑫隆制罐有限公司

Dates

Publication Date
20260512
Application Date
20250710

Claims (10)

  1. 1. A locking structure for a box is characterized by comprising a limiting frame, a buckling point, a clamping edge, a locking edge, a convex step and a locking point, wherein the limiting frame is of a hollow structure, the limiting frame is arranged above a bottom box of the box, at least one buckling point is arranged on the side face of the limiting frame, the clamping edge is arranged on the side face of an upper cover of the box, the buckling point butts against the clamping edge when the upper cover covers the bottom box, the clamping edge is provided with a width allowing the buckling point to transversely move, the locking edge is arranged on the upper side of the limiting frame, at least one notch groove is formed in the locking edge, the notch groove is a through groove, a boss step is formed in the inner side of the upper cover, the locking point is arranged on the side face of the boss step, the position of the locking point corresponds to the position of the notch groove, after the locking point enters the notch groove, and the locking point butts against the locking edge when the locking point moves and the notch groove is dislocated.
  2. 2. A closure for a cassette according to claim 1, wherein the front side of the stop frame has two spaced apart snap points which project forwardly.
  3. 3. A closure for a cassette according to claim 1, wherein the stop frame is square and the lockstitch edge is disposed around four sides of the stop frame, the lockstitch edge extending from the outside toward the center of the stop frame.
  4. 4. A closure for a container according to claim 1, wherein the raised step is spaced from the side wall of the upper cover by a gap, the four sides of the upper cover are folded inwardly to form a snap-fit edge, the snap-fit points are disposed on the front side of the raised step, the snap-fit points are forwardly raised, and the snap-fit points are disposed in spaced apart relation.
  5. 5. A locking structure for a box is characterized in that a rotating groove is formed in the rear side of the bottom box, through holes are formed in two sides of the rotating groove, a rotating shaft portion is arranged below the rear side of an upper cover, the rear side of the bottom box is inserted into the rotating shaft portion through the rotating shaft portion and the through holes to be connected with the upper cover in a rotating mode, the upper cover covers the bottom box to form an accommodating space for placing objects, the width of the rotating groove is at least 2mm larger than that of the rotating shaft portion, and a moving gap is formed between the rotating shaft portion and the side wall of the rotating groove.
  6. 6. A closure for a cassette according to claim 1 or 5, wherein the cross-sectional area of the step of the boss is smaller than the area of the cavity of the stopper frame, and the step of the boss is located in the stopper frame when the upper cover is closed to the bottom case.
  7. 7. A closure for a container according to claim 1, wherein the inner side of the upper cover is further provided with at least one side projection which is adjacent to a side of the raised step, the side projection being accessible by a locking edge.
  8. 8. A closure for a cassette of claim 7, wherein the side tab is located outside the locking edge when the lock point enters the notch slot and is located inside the locking edge when the lock point is displaced from the notch slot.
  9. 9. A closure for a cassette according to claim 1, wherein the square frame outer side wall is closer to the central axis of the cassette than the bottom cassette outer side wall.
  10. 10. A closure for a cassette according to any of claims 1-9, wherein the thickness of the protrusions of the snap-fit points, is not more than 1.5mm.

Description

Locking structure for box Technical Field The utility model relates to the field of boxes, in particular to a locking structure for a box. Background In the prior art, the self-locking structure of the box is locked by installing a primary-secondary locking structure or a coded lock or other complex locks in the bottom box and the upper cover, and the bottom box and the upper cover are also locked together by complex unlocking steps. The locking structure of the traditional box has the defects that firstly, a locking structure is additionally arranged, the production cost is increased, the processing time of a product is prolonged, secondly, the locking structure is inconvenient to use and has small damage risk, so that the box has a flash locking secret function, thirdly, the simple locking structure is easy to be opened by children by mistake, and potential safety hazards are caused when the articles such as medicines contained in the box are eaten by children by mistake. Disclosure of utility model The utility model aims at solving the technical problems of optimizing the locking structure of the box aiming at the defects in the prior art, and provides the locking structure for the box, which comprises the following specific technical scheme: A locking structure for a box comprises a limiting frame, a buckling point, a clamping edge, a locking edge, a convex step and a locking point, wherein the limiting frame is of a hollow structure, the limiting frame is arranged above a bottom box of the box, at least one buckling point is arranged on the side face of the limiting frame, the clamping edge is arranged on the side face of an upper cover of the box, the buckling point is propped against the clamping edge when the upper cover covers the bottom box, the clamping edge is provided with a width allowing the buckling point to transversely move, the locking edge is arranged on the upper side of the limiting frame, at least one notch groove is formed in the locking edge, the notch groove is a through groove, the boss step is arranged on the inner side of the upper cover, the locking point is arranged on the side face of the boss step, the position of the locking point corresponds to the position of the notch groove, the locking point enters the notch groove, and the locking point can prop against the locking edge when the locking point moves and the notch groove is dislocated. As a preferable scheme of the utility model, the front side surface of the limiting frame is provided with two spaced fastening points, and the fastening points are protruded forwards. As a preferable scheme of the utility model, the limit frame is square, the lockstitching is arranged around four sides of the limit frame, and the lockstitching extends from the outer side to the center of the limit frame. As a preferable scheme of the utility model, a gap is formed between the convex step and the side wall of the upper cover, four sides of the upper cover are inwards bent to form a clamping edge, locking points are arranged on the front side surface of the convex step, the locking points are protruded forwards, and two locking points are arranged at intervals. As a preferable scheme of the utility model, the rear side of the bottom box is provided with a rotating groove, through holes are formed in two sides of the rotating groove, a rotating shaft part is arranged below the rear side of the upper cover, the rear side of the bottom box is connected with the upper cover in a rotating way through the rotating shaft penetrating through the rotating shaft part and the through holes, the upper cover covers the bottom box to form an accommodating space for placing articles, the width of the rotating groove is at least 2mm larger than that of the rotating shaft part, and a moving gap is formed between the rotating shaft part and the side wall of the rotating groove. As a preferable scheme of the utility model, the sectional area of the boss steps is smaller than the area of the inner cavity of the limiting frame, and the boss steps are positioned in the entering limiting frame when the upper cover covers the bottom box. As a preferable scheme of the utility model, at least one side salient point is arranged on the inner side of the upper cover, the side salient point is close to the side face of the convex step, and the side salient point can be subjected to edge locking. As a preferable scheme of the utility model, when the locking points enter the notch grooves, the side protruding points are positioned at the outer sides of the locking edges, and when the locking points are staggered with the notch grooves, the side protruding points are positioned at the inner sides of the locking edges. As a preferable mode of the utility model, the square frame outer side wall is closer to the bottom box central axis than the bottom box outer side wall. As a preferable scheme of the utility model, the thickness of the protrusions of the buckling point and