CN214453345U

CN214453345U - Locking structure for flat box

Info

Publication number: CN214453345U
Application number: CN202120649297.XU
Authority: CN
Inventors: 周东强
Original assignee: Yongkang Zhilu Technology Co ltd
Current assignee: Yongkang Zhilu Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-22
Anticipated expiration: 2031-03-30

Abstract

The utility model belongs to the technical field of a flat box, in particular to a locking structure for the flat box, which comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein the first connecting piece is placed on a side cover at the upper end of the flat box, a movable locking piece is arranged on the first connecting piece, and a spring is arranged between the locking piece and the first connecting piece; and the second connecting piece is placed on the cover at the other side of the upper end of the flat box, the second connecting piece is provided with a placing groove, the side wall of the placing groove is provided with a clamping port, one end of the second connecting piece is placed on the placing groove, and the locking piece is clamped in the clamping port. The utility model discloses a cooperation of lock piece and spring, when the lid was covered, the lock piece will be atress joint in the joint mouth to realize one step of encapsulation, therefore convenient to use.

Description

Locking structure for flat box

Technical Field

The utility model belongs to the technical field of the flat box, refer in particular to a locking structure for flat box.

Background

The flat box is a conventional carton, and is generally used for anti-theft packaging of the transparent adhesive tape, but the transparent adhesive tape is time-consuming, residual adhesive is left on the box body, the cleaning and the recycling of the circulation box are not facilitated, and white pollution can be caused.

Therefore, a locking structure applied to a flat box is provided, for example, patent No. 2019224035570, and the patent name is a rotary lock catch and a flat box, although the patent can replace a transparent adhesive tape to seal the flat box through the rotary lock, the flat box can be recycled for many times, and white pollution can be reduced; however, in the case of packaging, a plurality of steps are required, namely, firstly, covering the cover of the box, then, rotating the clamping tongue, and then, putting the clamping tongue into the lock, so that three steps are required, and all the steps are troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a locking structure for flat case, through the cooperation of lock piece and spring, when the lid was covered, the lock piece will receive the force joint in the joint mouth to realize one step of encapsulation, therefore convenient to use, the event has solved the comparatively trouble problem of current locking structure.

The purpose of the utility model is realized like this:

a locking structure for a flat box comprises

The first connecting piece is placed on a cover on one side of the upper end of the flat box, a movable locking piece is arranged on the first connecting piece, and a spring is arranged between the locking piece and the first connecting piece;

and the second connecting piece is placed on the cover at the other side of the upper end of the flat box, the second connecting piece is provided with a placing groove, the side wall of the placing groove is provided with a clamping port, one end of the second connecting piece is placed on the placing groove, and the locking piece is clamped in the clamping port.

On the basis of the above scheme, a further improved or preferred scheme further comprises:

preferably, the first connecting piece is provided with two locking pieces, and the locking pieces are symmetrically arranged and are separated from the clamping port by moving the locking pieces inwards.

Preferably, a safety lock is arranged between the locking pieces, the lower end of the safety lock is provided with a lock tongue, and hooks are arranged on two sides of the lock tongue;

the connecting piece II is provided with a connecting hole;

the connecting portion joint is in the connecting hole, and the spring bolt penetrates in the connecting portion to the crotch upper end supports and leans on in protruding lower extreme.

Preferably, a moving groove is formed in the first connecting piece, a moving hole is formed in the bottom of the moving groove, a buckle is arranged downwards on the locking piece, and the buckle penetrates through the moving hole and abuts against the outer side of the moving hole;

the locking piece is movably arranged in the moving groove, and the buckle moves in the moving hole.

Preferably, a cylinder is arranged at the bottom of the locking piece, a baffle is arranged in the moving groove, one end of the spring is located in the cylinder, and the other end of the spring is located on one side of the baffle.

Preferably, the first connecting piece comprises a first upper plate and a first lower plate, and the first upper plate and the first lower plate are mutually clamped and placed at two sides of the cover;

the first upper plate is provided with a movable locking piece and a corresponding moving groove, and a hollow connecting part is arranged downwards on the first upper plate.

Preferably, the second connecting piece comprises a second upper plate and a second lower plate, and the second upper plate and the second lower plate are clamped with each other and are placed on two sides of the cover;

the second lower plate is provided with a placing groove and a connecting hole, and the two upper plates are provided with placing openings corresponding to the placing grooves;

and a clamping interface is arranged between the upper end surface of the second lower plate and the lower end surface of the second upper plate, and the lower plate is provided with a protruding plate in two directions so as to limit the movement of the locking piece.

Preferably, the upper end of the safety lock is provided with a connecting plate, the lock tongue is positioned on one side of the connecting plate, the connecting plate is provided with a mounting hole, and the connecting piece is upwards provided with a boss and is clamped in the mounting hole.

Preferably, a notch is formed at the joint of the lock tongue and the connecting plate, and a groove is formed in the bottom of one end, far away from the lock tongue, of the connecting plate;

when fingers are placed in the grooves and the connecting plate is pulled upwards, force can be applied to the notches to separate the lock tongues from the connecting plate.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a cooperation of lock piece and spring, when the lid was covered, the lock piece will be atress joint in the joint mouth to realize one step of encapsulation, therefore convenient to use.

2. The utility model discloses a symmetry sets up two locking pieces to thereby can have the impetus to stimulate the lid up in the unblock, and then uncap.

3. The utility model discloses a thereby realize dual fail-safe in setting up of safety lock, avoid opening the lid because vibrations in the transportation.

Drawings

FIG. 1 is a schematic view of the structure of the utility model in use;

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

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is a schematic sectional view of the present invention;

FIG. 5 is a schematic illustration of a disassembled first connector;

FIG. 6 is a schematic view of the first upper plate and the latch member;

FIG. 7 is a schematic view of the second connecting member;

FIG. 8 is a schematic view of the structure of the second upper plate;

FIG. 9 is a schematic view of a safety lock.

In the figure: 1-connecting piece one; 11-a connecting portion; 111-a protrusion; 12-a bump; 13-a moving slot; 131-a first arc groove; 14-moving the aperture; 15-a baffle; 16-upper plate one;

161-a first mounting table; 162-connecting groove one; 17-lower plate one; 171-connecting the first; 18-a boss; 19-dishing; 2-a lock; 21-buckling; 22-a cylinder; 23-arc groove two; 3-a spring; 4-connecting piece two; 41-placing grooves; 42-card interface;

43-connecting hole; 44-upper plate two; 441-a second mounting table; 442-connecting groove two; 443-a blocking piece; 444-connecting column; 45-lower plate two; 451-connecting the second stage; 452-connecting stage three; 453-connecting groove III; 46-a placement port; 47-convex plate; 5-a safety lock;

51-a locking tongue; 52-hook; 53-connecting plate; 54-mounting holes; 55-a gap; 56-grooves;

57-bump.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 to 9, a locking structure for a flathead box includes a first connecting member 1 and a second connecting member 4, wherein the first connecting member 1 is placed on a cover at one side of an upper end of the flathead box, and the second connecting member 4 is placed on a cover at the other side of the upper end of the flathead box.

And be provided with mobilizable locking piece 2 on the connecting piece 1, and be provided with spring 3 between locking piece 2 and the connecting piece 1, the standing groove 41 has been seted up to connecting piece two 4 simultaneously to the joint mouth 42 has been seted up at the standing groove 41 lateral wall.

Therefore, when the two side covers are closed during packaging, one end of the first connecting piece 1 is placed on the placing groove 41 under the stress of the first connecting piece 1, then the locking piece 2 is extruded by the placing groove 41 and moves inwards due to the arrangement of the spring 3 until the first connecting piece 1 is completely placed in the placing groove 41, and at the moment, the locking piece 2 moves to one side of the clamping opening 42 and moves outwards due to the elasticity of the spring 3 until the clamping opening 42 is clamped.

So in the in-service use process, compare the current structure that needs a plurality of steps to realize the encapsulation now, the utility model discloses can realize one step of encapsulation, therefore convenient to use. Of course, to make the connection more stable, the latch member 2 can be pressed down slightly to ensure that it cannot be easily removed from the card interface 42.

As shown in fig. 1 to 9, two locking members 2 are disposed on the first connecting member 1, and the locking members 2 are symmetrically disposed and move the locking members 2 inward so as to disengage the locking members 2 from the card interface 42.

Therefore, in the actual use process, because the fingers on the two sides move inwards and the two locking pieces 2 are symmetrically arranged, the unlocking process can be realized, and the force acting point can be realized, so that the cover is pulled upwards, and the cover is opened. The earlier unblock of comparing is uncapped again, the utility model discloses it is more convenient.

Of course, it is also possible to provide a locking member 2 on the first connecting member 1, and to move the locking member 2 from one side to the other side so as to disengage the locking member 2 from the card interface 42.

As shown in fig. 2 to 6, the moving structure of the lock member 2: firstly, a moving groove 13 is formed in the first connecting member 1, a moving hole 14 is formed in the bottom of the moving groove 13, a buckle 21 is downwardly arranged on the locking member 2, and the buckle 21 penetrates through the moving hole 14 and abuts against the outer side of the moving hole 14.

Therefore, in actual use, the first connecting piece 1 and the locking piece 2 are connected through the buckle 21, and the locking piece 2 is prevented from being separated from the first connecting piece 1. When the locking member 2 moves, the locking member 2 moves in the moving slot 13 and the catch 21 moves in the moving hole 14.

As shown in fig. 2 to 6, the mounting structure of the spring 4: first, the bottom of the locking member 2 is provided with a cylinder 22, and the moving groove 13 is internally provided with a baffle 15, so that when the locking member is installed, one end of the spring 3 is positioned in the cylinder 22, and the other end is positioned at one side of the baffle 15, thereby realizing the limitation of two ends.

Meanwhile, due to the shape of the spring 4, a second arc groove 131 is formed in the moving groove 13, so that the spring 4 is convenient to place, and the baffle 15 is positioned on one side of the second arc groove 131.

In addition, in order to facilitate the placement of the spring 4, the cylinder 22 is only located at one half of the bottom of the locking member 2, and the other half is the second arc groove 23, so that when the device is installed, the spring 4 is placed between the second arc groove 23 and the second arc groove 131, slowly moves into the cylinder 22, and is located on one side of the baffle 15.

As shown in fig. 5 and 6, the first connecting member 1 is formed by combining two plates, that is, the first connecting member 1 comprises an upper plate 16 and a lower plate 17, and the upper plate 16 and the lower plate 17 are clamped with each other and placed on both sides of the cover. And the movable locking piece 2 is arranged on the upper plate 16 and the movable groove 13 is correspondingly arranged.

And since the upper plate one 16 and the lower plate one 17 are placed on both sides of the cover, when the connector one 1 is mounted on the cover, the mounting can be more stable due to the force applied to both sides.

The structure that upper plate 16 and lower plate 17 are mutually clamped is as follows: first, the bottom of the upper plate 16 is provided with a first mounting platform 161 having a first connecting groove 162, and the upper end of the lower plate 17 is provided with a first hollow connecting platform 171.

Thus, when snapped, the first connecting block 171 is positioned within the first connecting groove 162 to achieve the connection between the first upper plate 16 and the first lower plate 17, and the connection between the first upper plate 16 and the first lower plate 17 is fastened by screws through the first connecting block 171.

Meanwhile, the clamping structure has other forms besides the above, is mainly used for connecting the upper plate I16 and the lower plate I17 and is fixed with the cover together, so that the limiting is realized, and besides the matching of the clamping structure and the bolt connection, the clamping structure can be matched with ultrasonic welding or rivets and the like, so that the fastening connection is realized.

As shown in fig. 7 and 8, the second connecting member 4 includes a second upper plate 44 and a second lower plate 45, and the second upper plate 44 and the second lower plate 45 are clamped to each other and placed on both sides of the cover.

And a placing groove 41 is opened corresponding to the above structure, namely, the lower plate 45 is opened, and a placing opening 46 is opened corresponding to the placing groove 41 on the upper plate 44. Meanwhile, a clamping interface 42 is arranged between the upper end face of the second lower plate 45 and the lower end face of the second upper plate 44, and the second lower plate 45 is upwards provided with a convex plate 47 for limiting the movement of the locking piece 2.

Meanwhile, a blocking piece 443 is arranged at the bottom of the upper plate 44 for protecting the internal structure, and the blocking piece 443 is placed in the placing groove 41, thereby also serving as a position for limiting the first connecting piece 1.

And because the second upper plate 44 and the second lower plate 45 are arranged on two sides of the cover, when the second connecting piece 4 is installed on the cover, the two sides are stressed, so that the installation is more stable.

The structure that two 44 of upper plate and two 45 of lower plate joint each other is wherein: first, the bottom of the upper plate 44 is provided with a first mounting platform 441 having a second connecting slot 442, and the upper end of the lower plate 45 is provided with a second hollow connecting platform 451.

Therefore, when the clamping is carried out, the second connecting platform 451 is positioned in the second connecting groove 442 so as to realize the connection between the second upper plate 44 and the second lower plate 45, and the connection between the second upper plate 44 and the second lower plate 45 is fastened through the second connecting platform 451171 by screws.

Meanwhile, the clamping structure has other forms besides the above, is mainly used for connecting the upper plate II 44 and the lower plate II 45 and is fixed together with the cover, so that the limiting is realized, and besides the matching of the clamping structure and the bolt connection, the clamping structure can be matched with ultrasonic welding or rivets and the like, so that the fastening connection is realized.

In addition, in order to stabilize the connection between the upper plate 44 and the lower plate 45, a connection post 444 is disposed at the bottom of the upper plate 44, and a connection platform three 452 having a connection groove three 453 is disposed at the upper end of the lower plate 45.

Therefore, when the joint is performed, the connecting column 444 is connected between the second upper plate 44 and the second lower plate 45 in the third connecting groove 453 in a clamped mode, and is matched with the structure of the joint on the upper plate, so that double-joint is achieved, and the connection stability is guaranteed.

Example two: the present embodiment is basically the same as the first embodiment, and the difference is: the safety lock 5 is arranged, because the cover can be opened by vibration only by clamping in the transportation process, the safety lock 5 is arranged between the locking pieces 2, the lower end of the safety lock 5 is a locking tongue 51, and hooks 52 are arranged on two sides of the locking tongue 51.

Meanwhile, the first connecting piece 1 is provided with a hollow connecting part 11 downwards, a bulge 12 is arranged inside the connecting part 11, and a connecting hole 43 is formed in the second connecting piece 4.

Therefore, when in actual use, connecting portion 11 joint is in connecting hole 43, and in spring bolt 51 penetrated connecting portion 11 to the crotch 52 upper end supported in protruding 12 lower extreme, avoids connecting piece 1 and connecting piece two 4 to separate promptly through lock 2, thereby realizes dual fail-safe, guarantees the fastening nature of the encapsulation of lid. In order to make the connection more stable, the latch 51 is provided with the protrusions 57 at both sides thereof, and the protrusions 57 are attached to the outer sides of the protrusions 12, thereby making the connection more stable.

Meanwhile, the protruding portion 111 protrudes outwards from the outer side of the connecting portion 11, and corresponding to the protruding portion 111, the through hole and the connecting hole 43 in the middle of the connecting portion 11 are recessed and grooved, so that a limiting clamping connection is realized, and relative rotation between the first connecting piece 1 and the second connecting piece 4 can be avoided.

As shown in fig. 3-4 and 9, the upper end of the safety lock 5 is a connecting plate 53, the latch 51 is located at one side of the connecting plate 53, the connecting plate 53 is provided with a mounting hole 54, and the first connecting member 1 is provided with a boss 18 upward.

Therefore, when the latch tongue 51 is inserted into the through hole in the middle of the connecting part 11, the boss 18 is clamped in the mounting hole 54, so that the position of the connecting plate 53 is limited, namely the horizontal position of the safety lock 5 is limited.

And a gap 55 is arranged at the connection position of the bolt 51 and the connecting plate 53, and a groove 56 is arranged at the bottom of one end of the connecting plate 53 far away from the bolt 51.

Therefore, in the actual use process, when fingers are placed in the groove 56 and the connecting plate 53 is pulled upwards, a force can be applied to the notch 55 to separate the locking tongue 51 from the connecting plate 53, and the safety lock 5 is unlocked.

In addition, in order to facilitate the placement of fingers in the grooves 56, the first connecting part 1 is further provided with the recesses 19, so that the fingers can enter between the connecting plate 53 and the first connecting part 1.

The structure of the safety lock 5 and the structure of the upper and lower plates correspond to each other, namely, the hollow connecting part 11 is arranged downwards on the first upper plate 16, and the placing groove 41 is arranged on the second lower plate 45.

Example three: the present embodiment is basically the same as the first embodiment, and the difference is: the first connecting piece 1 and the second connecting piece 4 can be integrally formed and are arranged on the cover through connecting structures such as sticking and screws, or the first connecting piece 1 and the second connecting piece 4 are provided with clamping grooves on one sides close to the cover, so that the first connecting piece 1 and the second connecting piece are clamped on the cover and are fastened and connected through screws.

And because the structure is integrally formed, the installation is relatively convenient, but the structure of the first embodiment is relatively better in terms of the stability of connection.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a locking structure for flat case which characterized in that: comprises that

The first connecting piece (1) is placed on a cover on one side of the upper end of the flat box, a movable locking piece (2) is arranged on the first connecting piece (1), and a spring (3) is arranged between the locking piece (2) and the first connecting piece (1);

the connecting piece II (4) is placed on the cover on the other side of the upper end of the flat box, the placing groove (41) is formed in the connecting piece II (4), the clamping interface (42) is formed in the side wall of the placing groove (41), one end of the connecting piece I (1) is placed on the placing groove (41), and the locking piece (2) is clamped in the clamping interface (42).

2. A lock structure for a flatbox according to claim 1, wherein: be provided with two locking parts (2) on connecting piece (1), thereby locking part (2) symmetry sets up and makes locking part (2) break away from joint mouth (42) through inside removal locking part (2).

3. A locking structure for a flatbox according to claim 2, wherein: a safety lock (5) is arranged between the locking pieces (2), a lock tongue (51) is arranged at the lower end of the safety lock (5), and hooks (52) are arranged on two sides of the lock tongue (51);

the connecting piece I (1) is downwards provided with a hollow connecting part (11), a bulge (12) is arranged inside the connecting part (11), and a connecting hole (43) is formed in the connecting piece II (4);

connecting portion (11) joint is in connecting hole (43), and in spring bolt (51) penetrated connecting portion (11) to crotch (52) upper end supports and leans on in arch (12) lower extreme.

4. A locking structure for a flatbox according to claim 1, 2 or 3, wherein: a moving groove (13) is formed in the first connecting piece (1), a moving hole (14) is formed in the bottom of the moving groove (13), a buckle (21) is arranged downwards on the locking piece (2), and the buckle (21) penetrates through the moving hole (14) and abuts against the outer side of the moving hole (14);

the locking piece (2) is movably arranged in the moving groove (13), and the buckle (21) moves in the moving hole (14).

5. A locking structure for a flatbox according to claim 1, 2 or 3, wherein: the bottom of the locking piece (2) is provided with a cylinder (22), a baffle (15) is arranged in the moving groove (13), one end of the spring (3) is located in the cylinder (22), and the other end of the spring is located on one side of the baffle (15).

6. A locking structure for a flatbox according to claim 1, 2 or 3, wherein: the connecting piece I (1) comprises an upper plate I (16) and a lower plate I (17), and the upper plate I (16) and the lower plate I (17) are mutually clamped and placed on two sides of the cover;

the upper plate I (16) is provided with a movable locking piece (2) and a corresponding moving groove (13), and the upper plate I (16) is downwards provided with a hollow connecting part (11).

7. A locking structure for a flatbox according to claim 1, 2 or 3, wherein: the second connecting piece (4) comprises a second upper plate (44) and a second lower plate (45), and the second upper plate (44) and the second lower plate (45) are mutually clamped and placed on two sides of the cover;

the second lower plate (45) is provided with a placing groove (41) and a connecting hole (43), and the second upper plate (44) is provided with a placing opening (46) corresponding to the placing groove (41);

and a clamping interface (42) is arranged between the upper end surface of the second lower plate (45) and the lower end surface of the second upper plate (44), and the second lower plate (45) is upwards provided with a convex plate (47) so as to limit the movement of the locking piece (2).

8. A locking structure for a flatbox according to claim 3, wherein: the safety lock is characterized in that a connecting plate (53) is arranged at the upper end of the safety lock (5), the bolt (51) is located on one side of the connecting plate (53), a mounting hole (54) is formed in the connecting plate (53), a boss (18) is upwards arranged on the connecting piece I (1), and the boss (18) is clamped in the mounting hole (54).

9. A lock structure for a flatbox according to claim 3 or 8, characterized in that: a notch (55) is formed in the joint of the bolt (51) and the connecting plate (53), and a groove (56) is formed in the bottom of one end, far away from the bolt (51), of the connecting plate (53);

when fingers are placed in the grooves (56) and the connecting plate (53) is pulled upwards, force can be applied to the notches (55) to separate the lock tongue (51) from the connecting plate (53).