CN201296436Y - Container cover - Google Patents

Abstract

The utility model provides a container cover with the opening display function. The container cover comprises an outer cover (5), an inner cover (2), an inner sleeve (4) and a middle sleeve (3), wherein the inner cover (2) is used for sealing a container opening; the diameter of the top (6) of the inner cover is larger than that of a flange (28) of the container opening; the inner sleeve (4) is fixedly arranged on a bottle neck; the middle sleeve (3) can move in an axial direction along with the outer cover (5); the inner sleeve is engaged with the middle sleeve (3) through threaded connection; the lower end of the middle sleeve is provided with a separation ring (10) connected with the middle sleeve through a cutting mark line (20); and a locking mechanism (15) capable of preventing the middle sleeve from moving in the axial direction is arranged on the separation ring or arranged at the lower end of the inner sleeve. When the container cover is opened, the separation ring is broken along the cutting mark line and is separated from the middle sleeve. When the container cover is sealed on the container opening again, the inner cover returns the initial position, and the separation ring (10) slides down along the container neck, so the separation ring is in a visible state to indicate that the container was opened. The container cover has the opening display effect.

Description

A kind of container cover

Technical field

The utility model relates to packaging part, relates in particular to the container cover that is used for liquid container such as bottle.

Background technology

Russ P application 2005141807 (13) (international classification number: B65D 49/00, B65D 55/02, open day: 2007.07.20, the applying date: 2005.12.23, priority date: 2004.12.24, preference number: 200403078 ES) disclose and a kind ofly be used to prevent to the bottle lid of filled drink again.Lid comprises liner, and liner is fixed on the bottleneck and has movably clack valve.Liner also has outstanding column part and is used for the installing stopper subshell, shell has outside thread and the following cylindrical part that is used for screwing on block, following cylindrical part is adjacent with the bottleneck outside face and have shell, and shell seals the unit of being made up of block and cylinder blanket from the outside.Cylinder blanket links to each other with the bottleneck outside face, special-purpose cylinder seal forms cylinder blanket and covers bottleneck top, cylinder seal has upper flange and lower flange, described flange is curved under the shell effect of the outside, shell is arranged in energy vertical shifting when uncapping, and breaks away from flange thus, and the flange demonstration is opened and stoped outside shell to fall again, flange is exposed all the time, and this shows that bottle once was opened.

Russ P application RU63328 (international classification number: B65D39/06, open day: 2007.05.27, the applying date: 2006.09.07, priority number: U 2,006 03385, priority date: 2006.03.28 UA) disclose a kind of closing appliance that is used for the liquid collecting bottle, this closing appliance comprises metering plug and spherical liner.Metering plug comprises the housing that has entrance and exit and places the interior movably ball of standard insert, spherical liner and standard insert adjacent and can move axially than large-diameter portion, the top of surface of shell is provided with circular groove and screw thread, the bottom of surface of shell is provided with opening, the bottom side of this opening has inside connecting element, metering plug can be fixed on the metal cap thus, metal cap has annular indent, on the cap of metering plug, be provided with tongue piece, when closing appliance assembles, this tongue piece can be overturn by the compressing of the circular groove of rigidity, thereby this metal cap is an individual member.But this closing appliance can not prevent from illegally to open bottle.In addition, need with bigger strength twist-off closure, fitting process comprises recovery, and this makes assembling become complicated.

In above-mentioned prior art, lid can not show the illegal unlatching of bottle, and can not guarantee the sealing of vessel port after encapsulating once more.And, need with very big strength twist-off closure.The utility model has been done in view of the above problems.

The utility model content

The purpose of this utility model provides a kind of container cover that can address the above problem, and can show that under the situation of opening container without permission container once was opened, and makes fitting process become simple.

Therefore, the utility model provides a kind of container cover with start showing function, it comprises enclosing cover and is used to seal the inner cap of vessel port, the top diameter of this inner cap is greater than the diameter of vessel port flange, this container cover also comprise the interior cover that immovably is installed on the bottleneck and can be with this enclosing cover axially movable in cover, wherein should engage by being threaded and being somebody's turn to do middle cover by interior cover, the cover lower end is provided with the eseparation ring that links to each other with the base portion of overlapping in this by cut-crease lines in this, and is provided with to be arranged in this cut-crease lines downside and can to stop this to be enclosed within and axially goes up mobile lockable mechanism.In the utility model, this lockable mechanism for example can be for being arranged on the salient on the eseparation ring inwall, on the bottom of overlapping in the upper surface of this salient is resisted against.Certainly, also can expect using other suitable mechanism.

In order to reach better sealing effectiveness, be provided with end face sealing ring near the vessel port place being provided with on the lateral surface that is positioned at vessel port of inner cap on seal ring and the lower surface, and also be provided with the groove that runs through entire top on the periphery of this inner cap at the top.

In the utility model, on the inner peripheral surface on middle cover top, be provided with a plurality of angled protrusions of making by elastomeric material, the free-ended internal diameter of this projection is less than the external diameter of inner cap top.The material of projection and seal ring is selected to want can satisfy under responsive to axial force, and projection is less than the snap-in force of seal ring in vessel port to the gripping power of inner cap top.

In addition, for interior cover immovably being installed on the container neck, interior put to be provided with prevent its axially movable axial location portion and prevent the circumferential location division that it circumferentially moves.Certainly, also can expect using adhesives or other suitable mechanism that interior cover is fixed on the container neck.

Assembling for the ease of container cover, in the pitch of screw thread of cover be configured to greater than in the pitch of the screw thread that puts, should in be enclosed within and put in directly being sleeved under the effect of axial force, advantageously, in the shape of the ridge that puts be asymmetric, and from crest of screw thread light towards the ridge outline line length of vessel port direction the ridge outline line length of lighting from crest of screw thread greater than its opposition side.

Advantageously, on the inside face of middle cover, also be provided with ring flange, for can be when opening container cover, the moving axially of middle cover can drive inner cap and move vertically, and the distance h between the upper surface of this ring flange and the lower surface of inner cap top is not less than the thickness t at this top.When middle cover moved up, this ring flange contacted with the lower surface of inner cap top, moved up and left vessel port thereby drive inner cap.In the utility model, between the cecum of the upper surface of inner cap top and enclosing cover, also be provided with loam cake.Loam cake links together by the cecum of bonded assembly mode and enclosing cover.

When opening the container cover that has assembled, can stop the lockable mechanism that moves on being enclosed within axially in this, overlap and to move in when beginning, also separate with the base portion of middle cover thereby make eseparation ring fracture take place along cut-crease lines owing to be provided with at the downside of this cut-crease lines.When being contained in container cover seal on the vessel port once more, inner cap returns its initial position, and eseparation ring glides along container neck, makes this eseparation ring be in the state that can see when encapsulating once more, show that thus container once was opened, thereby this eseparation ring plays the effect of start showing.

Compare with prior art, have the function of start showing, can show that under the situation of opening container without permission container once was opened, and can guarantee the sealing of vessel port after encapsulating once more according to container cover of the present utility model.

Description of drawings

Below, describe embodiment of the present utility model in conjunction with the accompanying drawings in detail, wherein:

Fig. 1 and Fig. 2 are for being assemblied in the vertical sectional view on the bottleneck according to the container cover of an embodiment of the present utility model;

Fig. 3 is the shaft side figure of the inner cap of container cover shown in Figure 1;

Fig. 4 is the shaft side figure of the middle cover of container cover shown in Figure 1;

Fig. 5 is the cutaway view of middle cover shown in Figure 4;

Fig. 6 is the shaft side figure of the interior cover of container shown in Figure 1;

Fig. 7 is the shaft side figure of the enclosing cover of container cover shown in Figure 1;

Fig. 8 is the scheme drawing of the bottleneck of use container cover shown in Figure 1;

Fig. 9 is the shaft side figure of the loam cake of container cover shown in Figure 1;

Figure 10 is the partial enlarged drawing of C part among Fig. 2.

The Reference numeral complete list

The 1-loam cake; The 2-inner cap; Overlap among the 3-; Cover in the 4-; The 5-enclosing cover; The 6-inner cap top; The 7-projection; The 9-annular lip; The 10-eseparation ring; The 12-groove; The 13-lock slots; The 14-thrust ring; The 15-lockable mechanism; 16-screw thread tangent plane; 17-thrust screw thread; 19-groove line; The 20-cut-crease lines; Cover footing in the 21-; 22-axial location portion; The circumferential location division of 23-; 24-screw thread inclined ring; 25-vessel port inside face; The 27-salient; 28-; The 29-groove; The 30-seal ring; The 31-end face sealing ring; The 32-lower surface; 34-loam cake footing.

The specific embodiment

As depicted in figs. 1 and 2, the utility model provides a kind of container cover that is used for container such as bottle, and this container cover is installed on the vessel port neck.For example here, container cover can have the cylindrical sleeve as enclosing cover 5, and other component part of container cover all places in the cavity of enclosing cover 5.Container cover further comprises the cup-shaped inner cap 2 that is used to seal vessel port, and the diameter at the top 6 of this inner cap 2 is arranged to the diameter greater than vessel port flange 28.Cover 4 and middle cover 3 in this container cover also is provided with, in the utility model, interior cover 4 and middle cover 3 are preferably made by elastomeric material, and cover 4 immovably is installed on the bottleneck in this, and engages with middle cover 3 by being threaded.When in the axial direction mobile enclosing cover 5, middle cover 3 can move thereupon.The lower end of middle cover 3 be provided with by cut-crease lines 20 with this in the eseparation ring 10 that links to each other of cover 3 base portion, and the lower end of this eseparation ring 10 be provided with can stop described in the cover 3 axially movable lockable mechanisms 15, in this embodiment, this lockable mechanism 15 for example can be arranged on the salient on the eseparation ring inwall, and the bottom of cover 4 was on the footing 21 in the upper surface of this salient was resisted against.Certainly, as long as be positioned at the downside of cut-crease lines 20, also can expect using other suitable mechanism.

As shown in Figure 3, in order to reach better sealing effectiveness, on the lower surface 32 that is provided with seal ring 30 and top 6 on the lateral surface that is positioned at vessel port of inner cap 2, be provided with end face sealing ring 30, and also be provided with the groove 29 of the thickness that runs through top 6 on the periphery of this inner cap 2 near the vessel port place.

In the said vesse lid, also be provided with loam cake 1 as shown in Figure 9, it is connected with the cecum portion of enclosing cover 5 by adhesive agent, a plurality of footing 34 that loam cake 1 extends axially out along the periphery of its lower surface, and also be provided with salient on the footing, here the length of footing 34 is preferably greater than groove 29 degree of depth in the axial direction, and loam cake 1 just can link to each other in mode that can relative motion with inner cap 2 like this.

As shown in Figure 4 and Figure 5, for increasing friction force, for example on the outer peripheral face of middle cover 3, also can be provided with groove line 19.On the inner peripheral surface on middle cover 3 tops, be provided with a plurality of elastomeric angled protrusions 7, the free-ended internal diameter of this projection 7 is less than the external diameter of inner cap top 6, the material of projection 7 and seal ring 30 is selected to want can satisfy under responsive to axial force, and the gripping power of 7 pairs of inner cap top 6 of projection is less than the snap-in force of seal ring 30 in vessel port.In this, also be provided with the groove 12 that footing a plurality of and loam cake 1 matches on the inner peripheral surface on cover 3 tops, this groove 12 overlaps therefrom that 3 tops are extended downwards and extend to form the lock slots 13 that matches with salient on the footing 34 at the terminal part of groove in middle cover sidewall, when the footing 34 with loam cake 1 overlaps 3 in groove 12 inserts, salient on the footing 34 is connected in the lock slots 13, make that when loam cake 1 moved up, cover 3 moved thereupon in driving.In addition, in the time of will opening container cover in order to make, in moving axially of cover 3 can drive inner cap 2 and move vertically, on middle cover 3 inside faces, also be provided with ring flange 9, distance h between the upper surface of preferred this ring flange 9 and the lower surface 32 of inner cap top 6 is not less than the thickness t at this top 6, and such structure makes when opening container cover more laborsaving.

In the above-described embodiments, for interior cover 4 immovably being installed on the container neck, being provided with of cover 4 prevents its axially movable axial location portion 22 and prevents the axial location portion 23 that it circumferentially moves in this.Here, this axial location portion 22 is the flexure strip that is separated by groove of interior cover 4 upper ends, when container cover assembles, this flexure strip can withstand on flange 28 below of (as shown in Figure 8), and axial location portion 23 is the salient 23 on the cover inner peripheral surface in being arranged on, it can match with the salient 27 that is positioned at flange 28 belows as shown in Figure 8, and when overlapping 4 in the rotation, location division 23 is blocked by salient 23 and can not taken place circumferentially to move.Certainly, can expect, also can be by interior cover 4 being fixed on the container neck with adhesive agent or other suitable manner.

For the ease of the assembling of container cover, as shown in figure 10, the pitch of the screw thread 17 on the interior cover 4 is configured to the pitch greater than the screw thread on the cover 3 in being located at, and overlaps on 3 during cover 4 directly is sleeved under the effect of axial force in this.Advantageously, the shape of ridge is asymmetric, and from crest of screw thread light towards the ridge outline line length of vessel port direction the ridge outline line length of lighting from crest of screw thread greater than its opposition side.Like this, in when assembling, just interior cover 4 can be pushed with less power and middlely to overlap in 3 and engage.For interior cover 4 is correctly located, above the helicitic texture of middle cover 3, also preferably be provided with thrust ring 14.

Assembling and operating process according to container cover of the present utility model are as described below.

As depicted in figs. 1 and 2, at first the footing 34 with loam cake 1 is inserted in the groove 29 of inner cap 2, assembly set with loam cake 1 and inner cap 2 is installed in the lock slots 13 by the groove 12 of the salient on the footing 34 along middle cover 3 then, at this moment, the upper surface of the projection 7 on the lower surface 32 of inner cap 2 and the middle cover 3 contacts, and this lower surface 32 also can be arranged to be higher than the upper surface of projection 7.Then, the interior cover 4 usefulness axial forces that will have thrust screw thread 17 push in the middle cover 3, the gap that increases between the screw thread of the elasticity of cover 3 and interior cover 4 materials and interior cover 4 in the dependence, the lockable mechanism 15 on the eseparation ring 10 is crossed at the top of cover 4 in making, here, this lockable mechanism 15 is an inwardly radially extended projection from the inwall of eseparation ring 10, under the effect of axial force, in cover 4 move up, overlap the inclined ring 24 of the screw thread entrance on interior cover 4 is resisted against on 3 the thrust ring 14.Simultaneously, the footing 24 of the lower end of interior cover 4 is also crossed lockable mechanism 15, and is resisted against on the upper surface of this lockable mechanism 15.Next, for example loam cake 1 and enclosing cover 5 are fixed together, then the container cover seal that assembles are contained on the bottleneck as shown in Figure 8 with adhesive agent.In encapsulation process, be that flexure strip locking is resisted against on the vessel port flange 28 with the axial location portion 22 that container cover presses down until interior cover 4 tops with axial augmenter.

With vessel port packaged after, the leak tightness of vessel port mainly relies on the mutual action between the upper surface 26 of end face sealing ring 31 on the lower surface 32 at inside face 25, top 6 of the side seal ring 30 of inner cap 2 and vessel port and vessel port to realize.When opening packaged container cover, rotation turns enclosing cover 5, loam cake 1 and coupled middle cover 3 move thereupon, and since the projection 7 pairs of inner cap top 6 gripping power less than the snap-in force of seal ring 30 in vessel port, projection 7 will be from slippage on the downside at top 6, and inner cap 2 relies on the interlocking of described seal ring 30, still remains on original position.Along with the distance h between the lower surface 32 at the top 6 of the upper surface of the ring flange 9 on the middle cover 3 and inner cap 2 reduces gradually, this ring flange 9 contacts with above-mentioned lower surface 32, and along with the moving up of middle cover 3, bigger axial force is applied on the top 6, moves up thereby drive inner cap 2.Meanwhile, when middle cover 3 moves up, the lockable mechanism 15 that is resisted against on the eseparation ring 10 owing to the footing 21 that immovably is installed in the interior cover 4 on the container neck is on the upper surface of salient, thereby cover 3 moves in stoping, eseparation ring 10 is ruptured along cut-crease lines 20, and separate with the base portion of middle cover 3.

When being contained in container cover seal on the vessel port once more, inner cap 2 returns its initial position, and eseparation ring 10 glides along container neck, makes this eseparation ring 10 be in the state that can see when encapsulating once more, show that thus container once was opened, thereby this eseparation ring 10 plays the effect of start showing.

Though the utility model illustrates that by embodiment the professional and technical personnel can understand that multiple change, interpolation, replacement and equivalent can be arranged after reading above-mentioned explanation and research accompanying drawing.Therefore, the utility model is contained all these changes, interpolation, replacement and equivalent, and they all belong within the thought range of the present utility model.For a person skilled in the art, need not in the above description with each size of component of numeric representation, shape and/or mutual alignment relation, because these can be set as the case may be.

Claims (10)

1. container cover, comprise: enclosing cover (5) and be used to seal the inner cap (2) of vessel port, top (6) diameter of this inner cap (2) is greater than the diameter of vessel port flange (28), it is characterized in that, also comprise the interior cover (4) that immovably is installed on the bottleneck and can be with this enclosing cover (5) axially movable in cover (3), wherein should engage by being threaded and being somebody's turn to do middle cover (3) by interior cover (4), cover (3) lower end is provided with the eseparation ring (10) that links to each other with the base portion of overlapping in this by cut-crease lines (20) in described, is provided with can stop at the downside of this cut-crease lines (20) and overlaps (3) mobile in the axial direction lockable mechanism (15) in described.

2. container cover according to claim 1 is characterized in that, described lockable mechanism (15) is for being arranged on the salient on eseparation ring (10) inwall, and its upper surface is resisted against on the bottom of cover (4) in this.

3. container cover according to claim 1 is characterized in that, is provided with elastomeric angled protrusions (7) on the inner peripheral surface on cover (3) top in described, and the free-ended internal diameter of this projection (7) is less than the external diameter of this inner cap top (6).

4. container cover according to claim 1 is characterized in that, described interior cover (4) is provided with and prevents its axially movable axial location portion (22) and prevent the circumferential location division (23) that it circumferentially moves.

5. according to each described container cover in the claim 1 to 4, it is characterized in that the pitch of the screw thread in this on cover (3) is configured to the pitch less than the screw thread of cover (4) in described, cover (4) directly is sleeved under responsive to axial force on the middle cover (3) in this.

6. container cover according to claim 5, it is characterized in that, the shape of ridge of cover (4) is asymmetric in described, and from crest of screw thread light towards the ridge outline line length of vessel port direction the ridge outline line length of lighting from crest of screw thread greater than its opposition side.

7. according to each described container cover in the claim 1 to 4, it is characterized in that, also be provided with ring flange (9) on cover (3) inside face in described, the distance h between the lower surface (32) of upper surface of this ring flange (9) and inner cap top (6) is not less than the thickness t of this top (6).

8. according to each described container cover in the claim 1 to 4, it is characterized in that, on the lateral surface that is positioned at vessel port of described inner cap (2), be provided with seal ring (30).

9. container cover according to claim 8 is characterized in that, goes up near the vessel port place in the lower surface (32) at described inner cap (2) top and is provided with end face sealing ring (31).

10. container cover according to claim 1 is characterized in that, also is provided with loam cake (1) between the cecum of the upper surface at this inner cap (2) top and described enclosing cover (5), and this loam cake (1) links together by the cecum of bonded assembly mode and this enclosing cover (5).

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