CN212100100U

CN212100100U - Sealing cover anti-theft structure and plastic sealing cover comprising same

Info

Publication number: CN212100100U
Application number: CN202020733692.1U
Authority: CN
Inventors: 李逸; 张广云
Original assignee: Hebei Derong Plastic Packaging Products Co ltd
Current assignee: Hebei Derong Plastic Packaging Products Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-12-08
Anticipated expiration: 2030-05-07

Abstract

The utility model relates to a sealing cover anti-theft structure and a plastic sealing cover comprising the same, wherein the sealing cover anti-theft structure comprises a first locking piece and a second locking piece, the first locking piece comprises a fixed connecting piece and a locking hook, the locking hook is connected with the fixed connecting piece through a plurality of connecting ribs, each connecting rib is provided with a predetermined breaking point, a hook lock bulge is fixedly arranged on the locking hook, and a clamping bulge is fixedly arranged on the outer wall of the fixed connecting piece; the second locking piece is a hook lock window provided with a clamping groove and a locking groove on the side wall, the locking groove is matched with the hook lock protrusion, and the clamping groove is matched with the clamping protrusion; the anti-theft structure of the sealing cover can realize the indicating function; a plastic closure, comprising: the anti-theft structure comprises an upper cover, a base and at least one sealing cover, wherein the base is connected with the upper cover through a folding connecting part, and the upper cover is used for being buckled with the base; the first locking member is arranged on the upper cover or the base, the second locking member is arranged on the base or the upper cover, and the plastic sealing cover can realize both indication and good sealing.

Description

Sealing cover anti-theft structure and plastic sealing cover comprising same

Technical Field

The utility model relates to a food package technical field especially relates to a sealed lid theftproof structure and contain its sealed lid of plastics.

Background

The anti-theft structure of the sealing cover is mainly used for indicating whether the sealing cover is opened for the first time, for example: when being provided with sealed lid theftproof structure on milk powder upper cover and the base of being connected with the upper cover through folding connecting portion with the milk powder jar body, sealed lid theftproof structure can be used for instructing the milk powder upper cover and whether open for the first time to protect consumer's rights and interests.

Among the correlation technique, sealed lid theftproof structure usually is for easily tearing the lid, to the sealed lid of flip plastics that adopts plastic to make, needs the user to open flip plastics sealed lid earlier when unsealing, then tears the easy lid of tearing on the milk powder jar, only covers the sealed lid of flip plastics on the milk powder jar during sealed, and like this, the user can be through looking over this easily tear the lid and whether be torn and judge milk powder for opening for the first time.

However, when the plastic sealing cover adopts the above anti-theft structure, although the effect of suggestion has been realized, but because its leakproofness is not enough, and the milk powder quantity is few at every turn, it is longer to open the back time of using, need take many times, the condition of dislocation also can appear after the plastic sealing cover opens and shuts many times, influence sealing performance more, thereby the phenomenon that milk powder drenches the caking is produced, consequently, need provide a sealing cover anti-theft structure urgently, not only can realize the instruction effect and can also play good sealed effect after covering this sealing cover anti-theft structure with plastic sealing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a sealed lid theftproof structure and contain its sealed lid of plastics is provided, and this sealed lid theftproof structure can realize indicating action, and the sealed lid of plastics that contains it not only can realize indicating action and can also play good sealed effect.

In order to solve the above problems, the utility model adopts the following technical proposal:

in a first aspect, a sealing cover anti-theft structure is provided, which comprises a first locking piece and a second locking piece, wherein the first locking piece is used for being buckled with the second locking piece in a closed state;

the first locking piece comprises a fixed connecting piece and locking hooks, the locking hooks are connected with the fixed connecting piece through a plurality of connecting ribs, each connecting rib is provided with a preset breaking point, hook locking bulges are fixedly arranged on the locking hooks, and clamping bulges are fixedly arranged on the outer wall of the fixed connecting piece;

the second locking piece is a hook locking window provided with a clamping groove and a locking groove on the side wall, the locking groove is matched with the hook locking protrusion, and the clamping groove is matched with the clamping protrusion;

the locking hook is used for being positioned in the hook lock window in a closed state and hooking the locking groove through the hook lock bulge so that the locking hook is engaged with the hook lock window; and, upon initial separation from the shackle window, breaking all of the predetermined breaking points to disengage the fixed connection;

the clamping protrusion is clamped into the clamping groove in a closed state and is separated from the clamping groove in an open state.

As a further improvement, the bottom of the locking hook is provided with a groove, the upper part of the fixed connecting piece is arranged in the groove, and the inner wall of the groove is provided with the connecting rib.

As a further improvement of the present invention, the locking groove is located below the locking groove.

As a further improvement of the present invention, the position of the connecting rib contacting the fixed connecting member is the predetermined breaking point.

As a further improvement of the present invention, the locking hooks are connected to the fixing connection member through at least 3 connecting ribs.

In a second aspect, there is provided a plastic closure comprising: the anti-theft structure comprises an upper cover, a base and at least one sealing cover anti-theft structure, wherein the base is connected with the upper cover through a folding connecting part, and the upper cover is buckled with the base;

the first locking element is arranged on the upper cover or the base, and the second locking element is arranged on the base or the upper cover.

As a further improvement of the utility model, the first latch sets up on the upper cover, the second latch sets up on the base.

As a further improvement, the sealing cover anti-theft structure is two, two the sealing cover anti-theft structure is symmetrically arranged on the left side and the right side of the sealing cover.

As a further improvement of the present invention, the upper cover includes: the lid top, inner circle and surround the upper shield wall of lid top outer fringe, the base includes: the inner diameter of the sealing ring is equivalent to the outer diameter of the inner ring, and the outer wall of the inner ring is tightly attached to the inner wall of the sealing ring in a closed state;

the base is provided with a lock catch opposite to the folding connecting part, and the upper cover opposite to the lock catch is provided with a locking plate matched with the lock catch.

As a further improvement, the utility model discloses a, the upper cover with the base is injection moulding respectively, the upper cover with pass through behind the base shaping folding joint portion connects.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

in the anti-theft structure of the sealing cover provided by the utility model, the locking hook is hooked in the locking groove on the hook lock window through the hook lock bulge in a closed state, namely in a delivery state, so that the locking hook is jointed with the hook lock window; when opening for the first time, because the protruding hook of hook lock catches locking groove, therefore the locking hook still can keep in the hook lock window, and the splice bar receives the effect of power, and the whole fracture points of reservation on it are whole to be broken off, can make the locking hook break away from fixed connector to make fixed connector and hook lock window separation, consequently, the user can judge whether for opening for the first time through observing whether the predetermined fracture point breaks off.

In addition, this sealed lid theftproof structure is still through being provided with the protruding and with the draw-in groove of the protruding looks adaptation of this card to convenient follow-up when using, resistance when opening and shutting at every turn, and the suggestion is already buckled in place when closed, thereby makes things convenient for sealed lid lock.

The plastic sealing cover containing the sealing cover anti-theft structure provided by the embodiment of the utility model is convenient for users to judge whether the plastic sealing cover is opened for the first time or not by arranging the first locking piece and the second locking piece on the upper cover and the base respectively; the inner ring is arranged on the upper cover, and the sealing ring with the same outer diameter as the inner ring is arranged on the base, so that the sealing surface is increased and the sealing performance is improved; in addition, through the mutual cooperation of the lock catch and the locking plate, the tight buckling of the upper cover and the base is better realized, the sealing performance is further improved, and the caking phenomenon caused by the fact that the milk powder is wetted is avoided.

In addition, this plastics sealed lid adopts double-colored spraying design, promptly, upper cover and base spraying be different colours for in preparation process, can adopt injection moulding's mode to prepare respectively and obtain upper cover and base, articulate upper cover and base again, improved preparation efficiency, be applicable to and promote on a large scale.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a plastic sealing cover including an anti-theft structure of the sealing cover according to an embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view at B in fig. 1.

Fig. 4 is a schematic structural diagram of an upper cover according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a base according to an embodiment of the present invention.

Wherein: 1-first locking element, 11-fixed connection element, 111-snap-on projection, 12-locking hook, 121-hook locking projection, 121-1-locking hook plane, 121-2-locking hook inclined guide surface, 122-groove, 123-locking hook body, 13-connecting rib, 131-predetermined breaking point, 2-second locking element, 21-locking hook window, 211-snap-on groove, 212-locking groove, 3-upper cover, 31-cover top, 32-upper cover wall, 33-inner ring, 34-locking piece, 35-first fillet, 36-second fillet, 4-base, 41-lower cover wall, 42-sealing ring, 43-lock catch, 5-folding connection element.

Detailed Description

To make the objects, aspects and advantages of the present invention clearer and more fully described below with reference to the following detailed description, it is to be understood that the terms "center", "vertical", "horizontal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the drawings, and are used merely for convenience of describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Fig. 1 is a schematic structural diagram of a plastic sealing cover including an anti-theft structure of the sealing cover according to an embodiment of the present invention, as shown in fig. 1, which includes a first locking member 1 and a second locking member 2, the first locking member 1 is configured to be locked with the second locking member 2 in a closed state.

As shown in fig. 2, the first locking member 1 includes a fixed connector 11 and a locking hook 12, the locking hook 12 is connected to the fixed connector 11 through a plurality of connecting ribs 13, each connecting rib 13 is provided with a predetermined breaking point 131, the locking hook 12 is fixedly provided with a hook locking protrusion 121, and the outer wall of the fixed connector 11 is fixedly provided with a locking protrusion 111.

As shown in fig. 3, the second locking member 2 is a hook lock window 21 having a locking groove 211 and a locking groove 212 on a side wall thereof, the locking groove 212 is fitted to the hook lock protrusion 121, and the locking groove 211 is fitted to the locking protrusion 111.

The locking hook 12 is adapted to be located in the hook lock window 21 in a closed state and to be hooked to the locking groove 212 by the hook lock protrusion 121 so that the locking hook 12 engages the hook lock window 21; and, breaking all the predetermined breaking points 131 upon first separation from the hook lock window 21 to disengage the fixed connection 11; the locking projection 111 is configured to be locked into the locking groove 211 in the closed state and to be released from the locking groove 211 in the open state.

The embodiment of the utility model provides a sealed lid theftproof structure is applicable in multiple situation, for example: the first locking piece 1 and the second locking piece 2 can be respectively arranged on the top of the cup cover and the top of the cup body, or the first locking piece 1 and the second locking piece 2 can be respectively arranged on the upper cover 3 of the milk powder can and the base 4 connected with the upper cover 3 of the milk powder can body through the folding connection part 5. In the closed state, i.e., the factory state, the locking hook 12 is hooked in the locking groove 212 on the hook lock window 21 by the hook lock projection 121, so that the locking hook 12 engages the hook lock window 21; when first opened, the locking hook 12 remains held in the hook lock window 21 because the hook lock protrusion 121 hooks the locking groove 212, and the predetermined breaking point 131 on the connecting rib 13 is completely broken by the force, so that the locking hook 12 is separated from the fixed link 11, thereby separating the fixed link 11 from the hook lock window 21. Therefore, the user can judge whether it is the first opening by observing whether the predetermined breaking point 131 is broken.

The embodiment of the present invention does not specifically limit the position of the predetermined breaking point, and exemplarily, the position where the connecting rib 13 contacts the fixed connecting member 11 may be the predetermined breaking point 131.

In addition, this sealed lid theftproof structure is still through being provided with the protruding 111 of card and with the draw-in groove 211 of the protruding 111 looks adaptation of this card to convenient follow-up when using, resistance when opening and shutting at every turn, and the suggestion is already buckled in place when closed, thereby makes things convenient for sealed lid lock.

It should be noted that, in the subsequent use process, the locking hook 12 is hooked to the locking groove 212 through the hook locking protrusion 121 and is always kept in the hook locking window 21, and the locking protrusion 111 is buckled in the locking groove 211 or separated from the locking groove 211 along with the opening and closing process, and in order to ensure that the anti-theft structure of the sealing cover achieves the above function, the following description is provided for the structures of the locking hook 12, the locking protrusion 111 and the locking groove 211.

With respect to the structure of the locking hook 12, as shown in fig. 2, the locking hook 12 includes a locking hook body 123, and the thickness of the locking hook body 123 is smaller than that of the bottom of the hook lock protrusion 121, so that the locking groove 212 can be hooked by the bottom of the hook lock protrusion 121 to prevent the locking hook from being released from the hook lock window 21, and the depth of the locking groove 212 may be smaller than that of the hook lock window 21, or, as shown in fig. 3, the locking groove 212 may also penetrate through the sidewall of the hook lock window 21.

Further, in order to facilitate the insertion of the locking hook 12 into the hook lock window 21 during the process, the top of the hook lock protrusion 121 is provided with a locking hook plane 121-1 and a locking hook slant guide plane 121-2 located at one side of the locking hook plane 121-1.

For the structure of the locking protrusion 111 and the locking groove 211, the locking protrusion 111 may be a horizontal protrusion, the outer surface of the protrusion is a smooth arc, and the locking groove 211 is a horizontal groove adapted to the horizontal protrusion, as shown in fig. 2 and 3; alternatively, the locking protrusion 111 may further include a plurality of locking positions, and the locking groove 211 is a transverse groove adapted to the plurality of locking positions, and the depth of the transverse groove may be smaller than the thickness of the hooking and locking window 21, or the transverse groove may penetrate through the sidewall of the hooking and locking window 21.

The positions of the fixed connecting piece 11 and the locking hooks 12 are not limited in the present invention, and the locking hooks 12 may be located on one side, both sides of the fixed connecting piece 11, or on the upper side of the fixed connecting piece 11, in this case, as for the arrangement mode of the connecting ribs 13, in a possible implementation mode, as shown in fig. 2, the bottom of the locking hooks 12 is provided with a groove 122, the upper part of the fixed connecting piece 11 is located in the groove 122, and the inner wall of the groove 122 is provided with the connecting ribs 13.

The embodiment of the present invention does not specifically limit the number of the connecting ribs 23, and exemplarily, the locking hook 12 is connected to the fixed connecting member 11 through at least 3 connecting ribs 13.

Accordingly, in order to ensure that the locking hook 12 can be hooked to the locking groove 212 by the hook locking protrusion 121 in the closed state so that the locking hook 12 is positioned in the hook locking window 21 and the catching protrusion 111 can also be caught in the catching groove 211, as shown in fig. 3, the locking groove 212 is positioned below the catching groove 211, and in addition, the locking groove 212 is sized to correspond to the catching groove 211 in order to facilitate demolding during the manufacturing process.

The embodiment of the utility model provides a plastic sealing cover is still provided, as shown in figure 1, it includes: the anti-theft structure comprises an upper cover 3, a base 4 connected with a milk powder tank body and at least one sealing cover anti-theft structure, wherein the base 4 is connected with the upper cover 3 through a folding connecting part 5, and the upper cover 3 is used for being buckled with the base 4; the first blocking element 1 is arranged on the upper cover 3 or on the base 4, and the second blocking element 2 is arranged on the base 4 or on the upper cover 3.

In addition, as shown in fig. 4, the upper cover 3 includes a cover top 31, an inner ring 33, and an upper cover wall 32 surrounding the outer edge of the cover top 31; as shown in fig. 5, the base 4 includes: a lower cover wall 41 and a seal ring 42, wherein the inner diameter of the seal ring 42 is equivalent to the outer diameter of the inner ring 33, and the outer wall of the inner ring 33 is closely attached to the inner wall of the seal ring 42 in a closed state.

The base 4 opposite to the folding connecting part 5 is provided with a lock catch 43, and the upper cover 3 opposite to the lock catch 43 is provided with a lock sheet 34 matched with the lock catch 43.

The plastic sealing cover provided by the embodiment of the utility model is convenient for users to judge whether the plastic sealing cover is opened for the first time or not by arranging the first locking piece 1 and the second locking piece 2 on the upper cover 3 and the base 4 respectively; the inner ring 33 is arranged on the upper cover 3, and the sealing ring 42 with the same outer diameter as the inner ring 33 is arranged on the base 4, so that the sealing surface is increased, and the sealing performance is improved; in addition, through the mutual cooperation of the lock catch 43 and the lock plate 34, the tight buckling of the upper cover 3 and the base 4 is better realized, the sealing performance is further improved, and the caking phenomenon caused by the fact that the milk powder is damped is avoided.

With regard to the specific arrangement positions of the first and second blocking elements 1, 2, in one possible embodiment, the first blocking element 1 is arranged on the upper cover 3 and the second blocking element 2 is arranged on the base 4.

The embodiment of the utility model provides a quantity of the sealed lid theftproof structure on the sealed lid of plastics does not do specifically and restricts, and exemplarily, sealed lid theftproof structure is two, and two sealed lid theftproof structural symmetry set up sealed lid left and right sides, specifically, first latch 1 and second latch 2 all set up to two, two first latches 1 about the axle center bilateral symmetry of upper cover 3, second latch 2 about the axle center bilateral symmetry of base 4.

In addition, the plastic sealing cover adopts a two-color spraying design, namely, the upper cover 3 and the base 4 are sprayed with different colors, such as: the upper cover 3 is painted blue, and the base 4 is painted white. In the preparation process, the upper cover 3 and the base 4 are respectively obtained by injection molding, and then the upper cover 3 and the base 4 are connected by the folding connecting part 5.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A sealing cover anti-theft structure, characterized in that it comprises a first closing member (1) and a second closing member (2), the first closing member (1) being adapted to engage with the second closing member (2) in a closed state;

the first locking piece (1) comprises a fixed connecting piece (11) and locking hooks (12), the locking hooks (12) are connected with the fixed connecting piece (11) through a plurality of connecting ribs (13), each connecting rib (13) is provided with a preset breaking point (131), hook locking protrusions (121) are fixedly arranged on the locking hooks (12), and clamping protrusions (111) are fixedly arranged on the outer wall of the fixed connecting piece (11);

the second locking piece (2) is a hook lock window (21) provided with a clamping groove (211) and a locking groove (212) on the side wall, the locking groove (212) is matched with the hook lock protrusion (121), and the clamping groove (211) is matched with the clamping protrusion (111);

the locking hook (12) is configured to be positioned in the hook lock window (21) in a closed state and to hook the locking groove (212) by the hook lock protrusion (121) such that the locking hook (12) engages the hook lock window (21); and breaking all of said predetermined breaking points (131) upon first separation from said hooking window (21) to disengage said fixed connection (11);

the clamping protrusion (111) is clamped into the clamping groove (211) in a closed state and is separated from the clamping groove (211) in an open state.

2. The structure of claim 1, characterized in that the bottom of the locking hook (12) is provided with a groove (122), the upper part of the fixed connecting element (11) is positioned in the groove (122), and the inner wall of the groove (122) is provided with the connecting rib (13).

3. The anti-theft structure of the sealing cover according to claim 2, characterized in that the locking groove (212) is located below the slot (211).

4. A seal cover theft prevention structure according to claim 1, wherein the position where the connecting rib (13) contacts the fixed connection member (11) is the predetermined breaking point (131).

5. A seal cap theft protection structure according to claim 1, characterized in that said locking hook (12) is connected to said fixed connection (11) by at least 3 of said connecting ribs (13).

6. A plastic closure, characterized in that it comprises: an upper cover (3), a base (4) and at least one sealing cover anti-theft structure according to any one of claims 1 to 5, wherein the base (4) is connected with the upper cover (3) through a folding connecting part (5), and the upper cover (3) is used for buckling with the base (4);

the first closure element (1) is arranged on the upper cover (3) or on the base (4), and the second closure element (2) is arranged on the base (4) or on the upper cover (3).

7. A plastic sealing cover according to claim 6, characterized in that the first blocking element (1) is arranged on the upper cover (3) and the second blocking element (2) is arranged on the base (4).

8. The plastic sealing cover according to claim 6, wherein the number of the sealing cover anti-theft structures is two, and the two sealing cover anti-theft structures are symmetrically arranged on the left side and the right side of the sealing cover.

9. A plastic closure according to claim 6, wherein the upper lid (3) comprises: a cover top (31), an inner ring (33), and an upper cover wall (32) surrounding an outer edge of the cover top (31), the base (4) comprising: the inner diameter of the sealing ring (42) is equivalent to the outer diameter of the inner ring (33), and the outer wall of the inner ring (33) is tightly attached to the inner wall of the sealing ring (42) in a closed state;

the folding connecting part (5) is opposite to the lock catch (43) arranged on the base (4), and the lock catch (43) is opposite to the lock catch (34) arranged on the upper cover (3) and matched with the lock catch (43).

10. Plastic closure according to claim 6, wherein the upper lid (3) and the base (4) are injection moulded separately and the upper lid (3) and the base (4) are connected by the folding joint (5) after moulding.