CN214398011U - Hidden first opening indication structure and plastic sealing cover - Google Patents

Abstract

The utility model relates to a hidden first opening indication structure, 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 is arranged on the base body and comprises a locking groove which is downwards recessed into the base body and a locking side wall which is formed by the locking groove and the outer surface of the base body, wherein the locking groove is a blind groove and comprises an adapting part which can be buckled with the second locking piece; the locking side wall has enough elasticity during demolding through the preset length, thickness and height dimensions; the second locking piece comprises a locking hook and a fixed connecting piece connected with the locking hook through a plurality of connecting ribs, each connecting rib is provided with a preset breaking point, and the locking hook comprises a locking hook body and a hook lock bulge which is positioned at the top of the locking hook body and protrudes towards one side of the locking hook body.

Description

Hidden first opening indication structure and plastic sealing cover

Technical Field

The utility model belongs to the technical field of the packing, a first opening instruction structure is related to, specifically is a hidden first opening instruction structure and sealed lid of plastics.

Background

The first-time opening indicating structure is a structure for judging whether a plastic product packaged by the first-time opening indicating structure is opened for the first time, and is often set in the following steps: when the first opening indicating structure is arranged between the upper cover and the lower cover of the milk powder tank and between the cover body of some medicines and the bottle body, a purchaser can be helped to judge whether the upper cover of the weaning powder tank and the cover body of the medicines are opened for the first time when purchasing.

The first opening indicating structure is produced in an injection molding mode, and in the manufacturing process, in order to realize smooth demolding of a product, the first opening indicating structure cannot be set to be a hidden structure and is exposed, namely, the first opening indicating structure is exposed on the outer surface of a package to realize smooth demolding of the product. And the first opening of formula of leaking outward indicates the structure and is applied to the packing, can make the surface unevenness of packing, have the hole, not only influence holistic pleasing to the eye, other article of easy fish tail, still hide the ash easily and enter and hide the thing. Therefore, it is desirable to provide a hidden first-time opening indicating structure that facilitates the demolding process to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a hidden first opening instruction structure and sealed lid of plastics has solved at hidden first opening instruction structure injection moulding's in-process, unable smooth drawing of patterns to and the exposed first opening instruction structure surface unsmooth, pleasing to the eye degree poor, other article of easy fish tail and the technical problem who hides the ash easily.

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

the utility model provides a hidden first opening instruction structure for the sealed lid of plastics, the key is: the locking device 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 is arranged on the base body and comprises a locking groove which is downwards recessed into the base body, the locking groove limits the outer side wall of the base body to form a locking side wall, wherein the locking groove is a blind groove and comprises a matching part which can be buckled with the second locking piece; the length, the thickness and the height of the locking side wall are preset, so that the locking side wall has enough elasticity during demolding;

the second locking piece comprises a locking hook and a fixed connecting piece connected with the locking hook through a plurality of connecting ribs, each connecting rib is provided with a preset breaking point, and the locking hook comprises a locking hook body and a hook locking bulge which is positioned at the top of the locking hook body and protrudes towards one side of the locking hook body;

the second locking piece is positioned in the locking groove in a closed state and hooks the adaptive part of the locking groove through the locking hook, so that the locking hook is buckled with the locking groove; and all the predetermined breaking points are broken when the locking hook is separated from the locking groove for the first time, so that the locking hook is separated from the fixed connecting piece.

The length l of the locking side wall is 20mm-40mm, the height h is 6mm-16mm, and the thickness d is 1.5mm-3.5 mm.

The second locking piece is arranged on the mounting seat, the size of the mounting seat is larger than that of the locking groove, and the mounting seat completely covers the locking groove in a closed state.

The adaptive part of the locking groove comprises a vertical accommodating groove capable of accommodating the locking hook body and a horizontal hook hanging groove capable of being buckled with the hook lock protrusion, and the vertical accommodating groove is connected with the horizontal hook hanging groove.

The fixed connecting piece comprises two guide ribs which are respectively positioned at the left side and the right side of the locking hook, and each guide rib is connected with the locking hook through a plurality of connecting ribs;

the height of the contact position of the connecting rib and the locking hook is lower than that of the contact position of the connecting rib and the guide rib, and the contact position of the connecting rib and the guide rib is the preset breaking point.

The locking hook further comprises two first rib plates which are vertically arranged, and the two first rib plates are arranged on the side face of the locking hook body, far away from the hook lock protrusion, at intervals; correspondingly, the first locking part also comprises three second ribbed plates which are vertically arranged, and the three second ribbed plates are arranged on the side surface of one side of the vertical accommodating groove, which is far away from the horizontal hook hanging groove, at intervals;

in the closed state, the first rib is positioned in a gap between two adjacent second ribs, and the second locking piece is prevented from shaking left and right in the first locking piece.

The key points of the plastic sealing cover are as follows: the sealing cover comprises an upper cover, a lower cover and at least one hidden first-time opening indicating structure, the lower cover is connected with the upper cover through a folding connecting part, and the upper cover is used for being buckled with the lower cover;

the upper cover comprises a cover top, an inner ring and an upper cover wall surrounding the outer edge of the cover top; the second locking piece is arranged on the upper cover wall of the upper cover through the mounting seat;

the lower cover comprises a lower cover, wherein the sum of the groove width of the locking groove and the thickness of the locking side wall is smaller than the thickness of the lower cover; the first locking piece is arranged in the lower cover in a downward embedded manner along the top surface of the lower cover; the inner surface of the lower cover is smooth, the outer diameter of the inner surface of the lower cover is equivalent to that of the inner ring, and the outer wall of the inner ring is tightly attached to the inner surface of the lower cover in a closed state.

The lower cover is provided with a lock catch at one side opposite to the folding connecting part, and the upper cover is provided with a locking plate matched with the lock catch.

The hidden type first opening indicating structures are two and are symmetrically arranged on the left side and the right side of the sealing cover.

The upper cover and the lower cover are respectively formed by injection molding, and the upper cover and the lower cover are connected through the folding connecting part after being formed.

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

the utility model discloses a inject the length scope of shutting lateral wall in the first shutting, make the shutting lateral wall in the first shutting have had sufficient elasticity, overcome among the prior art because open at first and instruct the structure because hidden open at first instruct the structure can't the drawing of patterns smoothly and must set up to the technical problem who exposes in the injection moulding in-process, realized at injection moulding's in-process, the hidden drawing of patterns and the production that instruct the structure is opened at first for blind groove to the locking recess.

The first locking piece in the first opening indicating structure is arranged to be blind groove-shaped, and when the second locking piece is inserted into the first locking piece, the first locking piece and the second locking piece are all hidden in the lower cover, so that the surface of the plastic sealing cover is smooth and attractive; in addition, after the upper cover and the lower cover are closed, the first opening indicating structure is completely hidden, so that dust is effectively prevented from being hidden in a gap of the first opening indicating structure, and the surface of the package is cleaner and more sanitary.

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 view of an embodiment of the present invention after first opening;

fig. 2 is a schematic view of an appearance structure of an embodiment of the present invention in a closed state;

FIG. 3 is a schematic structural view of the upper cover of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1;

fig. 5 is a partial enlarged view of fig. 3B according to the present invention;

figure 6 is a front view of figure 1 of the present invention;

fig. 7 is a cross-sectional view at C-C of fig. 6 in accordance with the present invention;

fig. 8 is an enlarged view of a portion of fig. 6D according to the present invention;

fig. 9 is a partial enlarged view of the fitting of the locking groove at E in fig. 7 according to the present invention.

Wherein: 1. first locking piece, 11, locking groove, 1101, vertical receiving groove, 1102, horizontal hook hanging groove, 12, second rib plate, 121, second rib inclined guide surface, 122, second rib plate plane, 2, second locking piece, 21, locking hook, 211, locking hook body, 212, hook locking protrusion, 2101, protrusion plane, 2102, protrusion inclined guide surface, 213, first rib plate, 22, connecting rib, 23, guide rib, 231, guide rib plane, 232, guide rib inclined guide surface, 3, upper cover, 31, cover top, 32, inner ring, 33, upper cover wall, 34, locking piece, 4, lower cover, 41, lower cover, 42, locking buckle, 5, folding connecting portion, 6, locking side wall, 7, mounting seat, 8, sealing cover.

Detailed Description

To make the objects, aspects and advantages of the present invention clearer, and in accordance with the following detailed description of certain embodiments of the present invention, 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 are used in the orientation or positional relationship shown in the accompanying drawings, which are used for convenience of description and simplicity of illustration, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, the hidden first-time opening indicating structure is characterized in that: the locking device comprises a first locking piece 1 and a second locking piece 2, wherein the first locking piece 1 is used for being buckled with the second locking piece 2 in a closed state;

the first closing member 1 as shown in fig. 4, 7, 8, 9 is disposed on a base member, which may be a lid of a bottle cap, and the first closing member 1 includes a locking groove 11 recessed downward into the base member, the locking groove 11 defining an outer side wall of the base member to form a closing side wall 6, wherein the locking groove 11 is a blind groove and includes an adapter capable of being engaged with the second closing member 2. In the production process, in order to make the latch sidewall 6 have sufficient elasticity to restore its original shape during the demolding process, in the present embodiment, the latch sidewall 6 needs to be given a predetermined length, thickness, and height.

Through changing traditional first latch 1 of exposed into the locking recess 11 of blind slot type to for the outside shutting lateral wall 6 of locking recess 11 predetermine length, height and thickness, guaranteed in this embodiment that the locking recess 11 of first latch 1 can demold smoothly when being the blind slot, and resume the original state after the drawing of patterns.

The size design of the locking side wall 6 enables the production and manufacturing of the fully-hidden blind groove type first locking piece 1 to be stable and feasible, the full hiding of the first-time opening structure in an application scene is achieved, and compared with an exposed design, a packaged product applying the hidden first-time opening indicating structure in the embodiment is smooth and attractive in surface and not prone to ash hiding.

As shown in fig. 3 and 5, the second locking member 2 includes a locking hook 21 and a fixed connector connected to the locking hook 21 via a plurality of connecting ribs 22, the fixed connector in this embodiment includes two guide ribs 23, the two guide ribs 23 are respectively located at the left and right sides of the locking hook 21, and each guide rib 23 is connected to the locking hook 21 via a plurality of connecting ribs 22 to fix the locking hook 21.

In addition, each connecting rib 22 is provided with a predetermined breaking point, the contact position of the connecting rib 22 and the guide rib 23 is the predetermined breaking point, and the locking hook 21 includes a locking hook body 211 and a hook locking protrusion 212 which is located on the top of the locking hook body 211 and protrudes to one side of the locking hook body 211. In the closed state, the locking hook 21 is located in the fitting of the locking groove 11, and the guide rib 23 is located at a position outside the fitting in the locking groove 11.

In this embodiment, the fitting portion of the locking groove 11 includes a vertical receiving groove 1101 for receiving the locking hook body 211 and a horizontal hooking groove 1102 for engaging with the hook locking protrusion 212, and the vertical receiving groove 1101 and the horizontal hooking groove 1102 are connected to each other.

The embodiment of the utility model provides a hidden open instruction structure is applicable in multiple situation for the first time, for example: the second locking piece 2 and the first locking piece 1 can be arranged on the top of the cup cover and the top of the cup body respectively, or the second locking piece 2 and the first locking piece 1 can be arranged on the upper milk powder cover 3 and the lower cover 4 connected with the upper cover 3 through the folding connection part 5, and in the embodiment, the first-time opening indicating structure is arranged on the milk powder cover. In a closed state, i.e., a factory-shipped state, the locking hook 21 is hooked in the horizontal hook hooking groove 1102 of the locking groove 11 by the hook locking projection 212, so that the locking hook 21 engages with the locking groove 11; when the locking structure is opened for the first time, since the hook locking protrusion 212 is hooked on the horizontal hook hooking groove 1102, the locking hook 21 is still kept in the fitting portion of the locking groove 11, and the predetermined breaking point of the connecting rib 22 is broken by the force, so that the locking hook 21 is separated from the guide rib 23, and the guide rib 23 is pulled up along with the upper cover 3 and separated from the locking groove 11 set on the lower cover 4. Thus, the user can determine whether it is a first opening by observing whether the predetermined breaking point breaks.

The length l of the locking side wall 6 is set to be 20mm-40mm, the height h is set to be 6mm-16mm, and the thickness d is set to be 1.5mm-3.5 mm. The latch side wall 6 is made sufficiently elastic, and in the present embodiment, l =30mm, h =8.2mm, and d =2.5mm are selected.

In order to provide better sealing hiding effect for the hidden first-time opening indicating structure in the closed state of the sealing cover 8, the second locking member 2 is arranged on the mounting seat 7 in the embodiment, the size of the mounting seat 7 is larger than that of the locking groove 11, and the mounting seat 7 completely covers the locking groove 11 in the closed state.

In order to save labor during the process of opening the first opening indicating structure, in this embodiment, the height of the contact position of the connecting rib 22 and the locking hook 21 is lower than the height of the contact position of the connecting rib 22 and the guide rib 23.

As shown in fig. 4 and 8, in order to prevent the locking hook 21 from shaking in the locking groove 11 after the structure in the present embodiment is opened, in the present embodiment, the locking hook 21 further includes vertical first ribs 213, and the number of the first ribs 213 may be set according to actual conditions, in the present embodiment, the number of the first ribs 213 is two, and the first ribs 213 are set at intervals on the side surface of the locking hook body 211 away from the hook locking protrusion 212; correspondingly, the first locking part 1 further comprises three second rib plates 12 which are vertically arranged, and the number of the second rib plates 12 is three, and the second rib plates 12 are arranged on the side surface of the vertical accommodating groove 1101 far away from the horizontal hooking groove 1102 at intervals. In the closed state, the first rib 213 is located in the gap between two adjacent second ribs 12, and the second locking member 2 is prevented from rocking left and right in the first locking member 1.

As shown in fig. 1, 2, 3 and 6, the key points of the plastic sealing cover are as follows: the sealing cover 8 includes an upper cover 3, a lower cover 4 and at least one hidden first-time-opening indicating structure, in this embodiment, the lower cover 4 is a base for the first locking member 1. The lower cover 4 is connected with the upper cover 3 through a folding connecting part 5, and the upper cover 3 is buckled with the lower cover 4. The plastic sealing cover in this embodiment can be used in a variety of packaging applications, such as: the milk powder can, the medicine can, the cup body or other occasions needing to use the plastic sealing cover with the hidden first-time opening indicating structure, and in addition, the top view of the plastic sealing cover in the embodiment can be in a circular shape, a rectangular shape or other shapes. In this implementation, set up the sealed lid of plastics on the milk powder jar and set up the sealed lid of plastics on the milk powder jar circular with the application scene of the sealed lid of plastics.

As shown in fig. 1, 2 and 3, the upper cover 3 includes a cover top 31, an inner ring 32 and an upper cover wall 33 surrounding the outer edge of the cover top 31; the second closing element 2 is arranged on the top side of the upper cover wall 33 of the upper cover 3.

As shown in fig. 1, 6, 7, 8, and 9, the lower cover 4 in the present embodiment includes a lower cover 41, wherein the sum of the total groove width of the locking groove 11 and the thickness of the latch sidewall 6 is smaller than the thickness of the lower cover 41; the first locking piece 1 is arranged in the lower cover 41 in a downward embedded manner along the top surface of the lower cover 41; the internal surface of lower cover 41 is smooth, and the external diameter of lower cover 41 internal surface with the external diameter of inner circle 32 is equivalent, and under closed condition, the top surface of upper shield wall 33 and the top surface of lower cover wall laminate completely, the outer wall of inner circle 32 is hugged closely the internal surface of lower cover 41 makes the inside good seal of milk powder jar, has guaranteed that the milk powder in the jar can not wet the caking.

Furthermore, a lock catch 42 is arranged on one side of the lower cover 4 opposite to the folding connecting part 5, and a locking plate 34 matched with the lock catch 42 is arranged on the upper cover 3.

In addition, in this embodiment, 2 connecting ribs 22 are disposed between the bottom of the locking hook 21 and the upper cover wall 33, and the contact positions of the connecting ribs 22 and the upper cover wall 33 are both provided with predetermined breaking points.

The number of the hidden first opening indicating structures arranged on the plastic sealing cover provided in the embodiment is two, specifically, the two hidden first opening indicating structures are symmetrically arranged on the left side and the right side of the sealing cover in the embodiment.

In addition, the plastic sealing cover can adopt a two-color design, namely, the upper cover 3 and the lower cover 4 are respectively different colors, such as: the upper cover 3 is blue and the lower cover 4 is 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. As shown in fig. 5 and 9, in order to facilitate the fastening of the first locking member 1 and the second locking member 2 after the production is completed, a projection inclined guide surface 2102 is provided between the lower surface of the hooking projection 212 and the projection plane 2101 in the present embodiment; a second rib ramp guide surface 121 is provided between the second rib plane 122 at the top of the second rib 12 and the side of the second rib 12 to provide a guide during closing.

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 (10)

1. The utility model provides a hidden first opening instruction structure for the sealed lid of plastics, its characterized in that: comprising a first blocking element (1) and a second blocking element (2), wherein the first blocking element (1) is used for being buckled with the second blocking element (2) in a closed state;

the first locking part (1) is arranged on the base body and comprises a locking groove (11) which is recessed downwards into the base body, the locking groove (11) limits the outer side wall of the base body to form a locking side wall (6), wherein the locking groove (11) is a blind groove and comprises a matching part which can be buckled with the second locking part (2); the length, thickness and height of the locking side wall (6) through preset sizes enable the locking side wall to have enough elasticity during demolding;

the second locking part (2) comprises a locking hook (21) and a fixed connecting part connected with the locking hook (21) through a plurality of connecting ribs (22), each connecting rib (22) is provided with a preset breaking point, and the locking hook (21) comprises a locking hook body (211) and a hook locking protrusion (212) which is positioned at the top of the locking hook body (211) and protrudes towards one side of the locking hook body (211);

the second locking piece (2) is used for being positioned in the locking groove (11) in a closed state and hooking the matching position of the locking groove (11) through the locking hook (21) so that the locking hook (21) is buckled with the locking groove (11); and all the predetermined breaking points are broken when the locking hook is separated from the locking groove (11) for the first time, so that the locking hook (21) is separated from the fixed connecting piece.

2. The concealed initial opening indicating structure according to claim 1, wherein: the length l of the locking side wall (6) is 20mm-40mm, the height h is 6mm-16mm, and the thickness d is 1.5mm-3.5 mm.

3. The concealed initial opening indicating structure according to claim 1, wherein: the second locking piece (2) is arranged on the mounting seat (7), the size of the mounting seat (7) is larger than that of the locking groove (11), and the mounting seat (7) completely covers the locking groove (11) in a closed state.

4. The concealed initial opening indicating structure according to claim 1, wherein: the adapting part of the locking groove (11) comprises a vertical containing groove (1101) capable of containing the locking hook body (211) and a horizontal hooking groove (1102) capable of being buckled with the hook locking protrusion (212), and the vertical containing groove (1101) is connected with the horizontal hooking groove (1102).

5. The concealed initial opening indicating structure according to claim 1, wherein: the fixed connecting piece comprises two guide ribs (23), the two guide ribs (23) are respectively positioned at the left side and the right side of the locking hook (21), and each guide rib (23) is connected with the locking hook (21) through a plurality of connecting ribs (22);

the height of the contact position of the connecting rib (22) and the locking hook (21) is lower than that of the contact position of the connecting rib (22) and the guide rib (23), and the contact position of the connecting rib (22) and the guide rib (23) is the preset breaking point.

6. The concealed initial opening indicating structure according to claim 4, wherein: the locking hook (21) further comprises two first rib plates (213) which are vertically arranged, and the two first rib plates (213) are arranged on the side surface of the locking hook body (211) far away from the hook lock protrusion (212) at intervals; correspondingly, the first locking part (1) further comprises three second ribbed plates (12) which are vertically arranged, and the three second ribbed plates (12) are arranged on the side surface of the vertical accommodating groove (1101) far away from the horizontal hooking groove (1102) at intervals;

in the closed state, the first rib (213) is located in the gap between two adjacent second ribs (12) to prevent the second locking member (2) from shaking left and right in the first locking member (1).

7. A plastic sealing cover is characterized in that: the sealing cover comprises an upper cover (3), a lower cover (4) and at least one hidden first-time opening indicating structure as claimed in any one of claims 1-6, wherein the lower cover (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 lower cover (4);

the upper cover (3) comprises a cover top (31), an inner ring (32) and an upper cover wall (33) surrounding the outer edge of the cover top (31); the second closing piece (2) is arranged on an upper cover wall (33) of the upper cover (3) through a mounting seat (7);

the lower cover (4) comprises a lower cover (41), wherein the sum of the groove width of the locking groove (11) and the thickness of the locking side wall is smaller than the thickness of the lower cover; the first locking piece (1) is arranged in the lower cover (41) in a downward embedded manner along the top surface of the lower cover (41); the inner surface of the lower cover (41) is smooth, the outer diameter of the inner surface of the lower cover (41) is equivalent to that of the inner ring (32), and the outer wall of the inner ring (32) is tightly attached to the inner surface of the lower cover (41) in a closed state.

8. A plastic closure in accordance with claim 7, wherein: lower cover (4) on with folding connecting portion (5) relative one side be provided with hasp (42), upper cover (3) on be equipped with hasp (42) assorted locking plate (34).

9. A plastic closure in accordance with claim 7, wherein: the hidden type first opening indicating structures are two and are symmetrically arranged on the left side and the right side of the sealing cover.

10. A plastic closure in accordance with claim 7, wherein: the upper cover (3) and the lower cover (4) are respectively formed by injection molding, and the upper cover (3) and the lower cover (4) are connected through the folding connecting part (5) after being formed.

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