CN108639549B

CN108639549B - Container cover

Info

Publication number: CN108639549B
Application number: CN201810267648.3A
Authority: CN
Inventors: 李红彪
Original assignee: Zhongshan Huabaole Daily Necessities Co ltd
Current assignee: Zhongshan Huabaole Daily Necessities Co ltd
Priority date: 2018-03-29
Filing date: 2018-03-29
Publication date: 2023-09-12
Anticipated expiration: 2038-03-29
Also published as: CN108639549A; CN117383061A

Abstract

The invention relates to a container cover, and belongs to the field of containers. The invention carries out multiple sealing by mutually matching the outer cover, the inner cover and the small inner plug, ensures that liquid can not flow out from the container mouth, has good sealing effect and is very convenient to use.

Description

Container cover

Technical Field

The invention relates to a container cover, and belongs to the field of containers.

Background

In prior art, the container lid that provides in the market, common structure is mostly flip type or screw type, and flip type structure is opened the mode of upper cover upset, and the position that the flip was opened is the play liquid position promptly, and the container lid of this kind of structure often has a large amount of liquid to remain in play liquid position when pouring out liquid in the container, can adhere to a large amount of liquid on the container lid when leading to the follow-up use, pollutes the user's hand, and moreover, the container lid leakproofness of flip type is relatively poor, can't seal the storage to remaining liquid. The screwed container cover is screwed on the container mouth through threads, the container cover and the container are two independent elements, the sealing performance of the container cover with the structure is extremely poor, the liquid is often leaked before unsealing, and the sealing performance of the container cover cannot be ensured after the container cover is once unsealed, so that the container cover is extremely inconvenient to use.

Therefore, there is a need for a container lid that facilitates better storage of the liquid within the container.

Disclosure of Invention

In order to overcome the problems in the background art, the invention provides the container cover which has good sealing performance, can effectively avoid liquid leakage and is convenient to use.

In order to achieve the above purpose, the invention is implemented according to the following technical scheme:

as one scheme of the invention, the container cover comprises an outer cover and an inner plug, wherein the outer cover is arranged on a container opening in a screwing way, a through hole is formed in the top of the outer cover, the inner plug is formed by integrating a hollow platform and a hollow upright post, a pressing block with the diameter larger than the diameter of the through hole of the outer cover and the inner diameter of the container opening is circumferentially arranged on the hollow platform, the pressing block is tightly pressed and fixed on the end face of the container opening through the outer cover, an inner cover capable of sealing a thin fracture is arranged at the bottom of the hollow upright post of the inner plug through a thin position, and a small inner plug capable of sealing an upright post cavity is arranged inside the inner cover.

Further, the joint of the pressing block and the inner plug is provided with a clamping position matched with the outer cover.

As another scheme of the invention, the container cover comprises an outer cover and an inner plug, wherein the outer cover and the inner plug are integrally formed, the outer cover is arranged on a container mouth in a screwed mode, the inner plug is located in an inner cavity of the outer cover and is of a hollow structure, one end of the inner plug extends out of the lower end face of the outer cover and can be tightly clamped with the inner cavity of the container mouth, the other end of the inner plug is in a thin bottle mouth shape, and a small inner plug capable of sealing a cavity of the end of the inner plug is connected to the end face through a thin position.

Further, the small inner plug is circumferentially provided with a limiting table for sealing the low-profile surface.

As another scheme of the invention, the container cover comprises an outer cover and an inner plug, wherein the outer cover and the inner plug are integrally formed, the outer cover is arranged on a container opening in a screwed mode, the inner plug is positioned in an inner cavity of the outer cover, the upper end of the inner plug is of a hollow structure which can be matched and sleeved with the container opening, a hollow upright post with a through hole is arranged in the inner plug, and the top of the hollow upright post is connected with an inner cover which can be used for sealing the hollow upright post through a thin position.

Further, the inner diameter of the inner cover is matched with the outer diameter of the hollow upright post.

As another scheme of the invention, the container cover comprises an outer cover and an inner plug, wherein the outer cover is arranged on a container opening in a screwing way, a through hole is formed in the top of the outer cover, the inner plug is formed by integrating a hollow platform and a hollow upright post, the hollow platform is in sealing connection with the container opening, a clamping ring matched with the end face of the container opening is circumferentially arranged on the hollow platform, the hollow upright post extends out of the through hole of the outer cover, an inner cover is in sealing connection with the upper end face of the hollow upright post, and the inner cover is connected with the outer cover in a thin position.

Further, a small inner plug for blocking the hollow column cavity is arranged in the inner cover.

Further, the distance between the inner upper end surface and the inner end surface of the outer cover is larger than the thin position width.

As another scheme of the invention, the container cover comprises an outer cover and an inner plug, wherein the outer cover is arranged on a container opening in a screwing way, the inner plug and the outer cover are integrally formed, a hollow upright post is arranged in the inner plug, the end part of the hollow upright post is connected with a small inner plug through a thin position, and a limiting table for sealing the thin section is circumferentially arranged on the small inner plug.

The invention has the beneficial effects that:

the invention performs multiple sealing by mutually matching the outer cover, the inner cover and the small inner plug, ensures that liquid in the container can not flow out from the container mouth, has good sealing effect and is very convenient to use.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of a first embodiment of the invention;

FIG. 3 is an exploded view of a first embodiment of the present invention;

FIG. 4 is a perspective view of an inverted inner plug according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of an inverted plug according to an embodiment of the present invention;

FIG. 6 is a perspective view of a thin portion broken according to an embodiment of the present invention;

FIG. 7 is a perspective view of an inner cap according to an embodiment of the present invention after sealing the thin portion of the fracture;

FIG. 8 is a cross-sectional view of an inner cap according to an embodiment of the present invention after sealing the thin-walled fracture;

FIG. 9 is a structural connection diagram of an inner plug and an inner cap according to an embodiment of the present invention;

FIG. 10 is a cross-sectional view of an inner plug and inner cap according to an embodiment of the present invention;

FIG. 11 is a schematic view of an outer cover according to an embodiment of the invention;

FIG. 12 is a schematic view of a container neck according to an embodiment of the present invention;

FIG. 13 is a perspective view of a second embodiment of the present invention;

FIG. 14 is a cross-sectional view of a second embodiment of the present invention;

FIG. 15 is a perspective view of a second embodiment of the present invention with the inner plug inverted;

FIG. 16 is a cross-sectional view of a second embodiment of the present invention after inversion of the plug;

FIG. 17 is a perspective view of a broken thin portion of a second embodiment of the present invention;

FIG. 18 is a cross-sectional view of a second embodiment of the present invention after a thin portion break;

FIG. 19 is a cross-sectional view of a small inside plug of a second embodiment of the present invention after sealing a thin-bit fracture;

FIG. 20 is a diagram showing the connection of the outer cap and the inner plug according to the second embodiment of the present invention;

FIG. 21 is a schematic view of a two-container finish according to an embodiment of the present invention;

FIG. 22 is a perspective view of a third embodiment of the present invention;

FIG. 23 is a cross-sectional view of a third embodiment of the invention;

FIG. 24 is a perspective view of a broken thin portion of a third embodiment of the present invention;

FIG. 25 is a cross-sectional view of a third embodiment of the present invention after a thin portion break;

FIG. 26 is a cross-sectional view of a third embodiment of the present invention after the thin section of the inner cap is sealed;

FIG. 27 is a diagram showing the connection of the outer cap and inner plug structures according to the third embodiment of the present invention;

FIG. 28 is a perspective view of a fourth embodiment of the present invention;

FIG. 29 is a cross-sectional view of a fourth embodiment of the invention;

FIG. 30 is a perspective view of a broken thin portion of a fourth embodiment of the present invention;

FIG. 31 is a cross-sectional view of a broken thin portion of a fourth embodiment of the present invention;

FIG. 32 is a cross-sectional view of a fourth embodiment of the present invention after the thin portion of the inner cap is sealed;

FIG. 33 is a structural connection diagram of the outer cap and the inner cap of the fourth embodiment of the present invention;

FIG. 34 is a perspective view of a fifth embodiment of the present invention;

FIG. 35 is a cross-sectional view of a fifth embodiment of the invention;

FIG. 36 is a perspective view of a fifth embodiment of the present invention after a thin portion break;

FIG. 37 is a cross-sectional view of a fifth embodiment of the invention after a small inside plug seals a thin-bit fracture;

fig. 38 is a diagram showing the connection of the outer cap and the inner plug according to the fifth embodiment of the present invention.

In the figure, the device comprises a 1-outer cover, a 2-inner plug, a 3-hollow platform, a 4-hollow upright post, a 5-pressing block, a 6-thin position, a 7-inner cover, an 8-small inner plug, a 9-container opening, a 10-limiting table and an 11-clamping ring.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.

Example 1

As shown in fig. 1-12, a container lid, including enclosing cover 1 and interior stopper 2, enclosing cover 1 spin close and set up on container mouth 9, the through-hole has been seted up at enclosing cover 1 top, interior stopper 2 by a cavity platform 3 and a cavity stand 4 integrated into one piece, cavity platform 3 circumference is provided with a diameter and is greater than enclosing cover 1 through-hole diameter and briquetting 5 of container mouth 9 internal diameter, briquetting 5 compresses tightly through enclosing cover 1 and fixes at container mouth 9 terminal surface, during the use, accessible unscrews enclosing cover 1 and makes interior stopper 2 can take off, hollow stand 4 bottom of interior stopper 2 is provided with through thin position 6 and can be used for sealing the inner cup 7 of thin position 6 fracture, during the use, can break off thin position 6, then use inner cup 7 to seal thin position 6 fracture department, guarantee its sealed effect, the inside of inner cup 7 is provided with the little inner cup 8 that can be used for sealing the stand cavity, when using inner cup 7 to seal thin position 6 fracture, little inner cup 8 can be plugged into the fracture cavity of cavity stand 4, further seal, through enclosing cover 1, inner cup 7 and 8 and the multiple design makes interior stopper 2 can take off, can not pour out in the container after the container mouth, can not be used to empty the container, can not empty the container is used to the container, can be polluted in the container portion, can not be used to the container is very much after the use, can be finished in the container, can not empty the container is used, can be in the container is used to the container is polluted.

Preferably, the joint of the pressing block 5 and the inner plug 2 is provided with a clamping position for being matched with the outer cover 1, so that the inner plug 2 can be better sealed with the container mouth 9 and the outer cover 1, and the tightness of the inner plug is ensured.

The using process comprises the following steps:

when the container is used, the hollow upright post 4 faces downwards in the initial state, the inner plug 2 and the clamping position are wrapped in the container opening 9, and liquid cannot flow out. When the hollow upright column is used by a user, the outer cover 1 is opened, the inner plug 2 is turned upside down, the outer cover 1 is covered, the outer cover 1 is screwed, the pressing block 5 is pressed by the outer cover 1, and the hollow upright column 4 faces upwards. Then the thin position 6 is broken, the liquid in the thin position flows out from the hollow upright post 4 through the container opening 9, if the liquid can not be used once, the broken inner cover 7 is covered, and meanwhile, the inner cavity of the hollow upright post 4 is blocked by the small inner plug 8, so that the liquid can not flow out.

According to the invention, the thin position 6 is arranged to connect the inner plug 2 with the inner cap 7, and the inner cap 7 is convenient to break off from the inner plug 2, when in original sealing, the thin position 6 integrally connects the inner plug 2 with the inner cap 7, the inner plug 2 is integrally screwed on a container mouth through the outer cap in a back-off way, and the whole container is covered with no outlet, so that liquid in the container cannot flow out from the inner plug 2, when the inner plug 2 is opened for use, the hollow upright post 4 of the inner plug 2 can be used as a liquid outlet to cause a liquid guiding effect, and after the inner cap is used, the inner cap 7 can be directly reversely sealed on the fracture of the thin position 6, so that the residual liquid in the container can be better stored. The design not only can ensure the tightness before unsealing, but also can ensure that the residual liquid in the container can be better sealed and stored after unsealing.

Example two

As shown in fig. 13-21, a container cover comprises an outer cover 1 and an inner plug 2, wherein the outer cover 1 and the inner plug 2 are integrally formed, the outer cover 1 is arranged on a container mouth 9 in a screwing way, the inner plug 2 is located in an inner cavity of the outer cover 1 and is of a hollow structure, one end of the inner plug 2 extends out of the lower end face of the outer cover 1 and can be tightly clamped with the inner cavity of the container mouth 9, the other end of the inner plug 2 is in a thin bottle mouth 9 shape, a small inner plug 8 which can be used for sealing a cavity at the end of the inner plug 2 is connected to the end face through a thin position 6, and when the container cover is used, the thin position 6 needs to be broken, and the small inner plug 8 can be used for sealing a fracture of the thin position 6, so that the tightness of the container cover is ensured. The structure design is very convenient to use, and the outer cover 1 and the inner plug 2 are integrally screwed on the container mouth 9 before unsealing, and the inner plug 2 and the small inner plug 8 are integrally connected, so that liquid cannot flow out, the sealing performance is good, and when the unsealing is used, the outer cover 1 and the inner plug 2 are integrally inverted, the inner plug 2 is tightly clamped with the inner cavity of the container mouth 9, so that liquid can not flow out from the clamping part in the use process, after the use is completed, the small inner plug 8 is plugged into the fracture of the thin position 6, the cavity of the inner plug 2 is sealed, and the residual liquid can be stored in a sealing way. In addition, when the liquid is poured out of the container cover with the design, the liquid can flow out directly, and cannot remain on the container cover, after the use is finished, the liquid which is not poured out of the container cover can be left in the container, and the hands of a user cannot be polluted during subsequent use.

Preferably, the small inner plug 8 is circumferentially provided with a limiting table 10 for sealing the cross section of the thin position 6, and the limiting table 10 not only can seal the cross section of the thin position 6, but also can avoid the small inner plug 8 from being pressed into the container.

The using process comprises the following steps:

when in use, the small inner plug 8 faces downwards in the initial state, the outer cover 1 wraps the container opening 9 in the middle of the outer cover 1, and liquid cannot flow out. When the bottle cap is used by a user, the outer cap 1 is turned over, the inner plug 2 is tightly clamped with the container opening 9, the small inner plug 8 faces upwards, then the small inner plug 8 on the outer cap 1 is pulled off at the thin position 6, liquid in the bottle cap flows out of the cavity of the inner plug 2 through the container opening 9, and if the liquid cannot be used once, the pulled-off small inner plug 8 is covered, so that the liquid cannot flow out.

According to the invention, the small inner plug 8 and the inner plug 2 are connected by arranging the thin position 6, the small inner plug 8 is convenient to break off from the inner plug 2, and when in original sealing, the thin position 6 integrally connects the inner plug 2 and the inner cap 7 together, the container cap is reversely screwed on the container, and the whole container cap is free of an outlet, so that liquid in the container cannot flow out from the inner plug 2, when the container is unsealed for use, the small inner plug 8 is broken off by buckling the inner plug 2 with the container mouth, the inner plug 2 can serve as a liquid outlet, the liquid guiding effect is realized, and after the container is used, the small inner plug 8 can be directly reversely sealed at the fracture of the thin position 6, so that the residual liquid in the container can be better stored. The design not only can ensure the tightness before unsealing, but also can ensure that the residual liquid in the container can be better sealed and stored after unsealing.

Example III

As shown in fig. 22-27, a container cover comprises an outer cover 1 and an inner plug 2, wherein the outer cover 1 and the inner plug 2 are integrally formed, the outer cover 1 is arranged on a container opening 9 in a screwing way, the inner plug 2 is positioned in an inner cavity of the outer cover 1, the upper end of the inner plug 2 is of a hollow structure which can be matched and sleeved with the container opening 9, a hollow upright post 4 with a through hole is arranged in the inner plug 2, the top of the hollow upright post 4 is connected with an inner cover 7 which can be used for sealing the hollow upright post 4 through a thin position 6, and the thin position 6 can be broken, so that the inner cover 7 is separated from the inner plug 2. Before unsealing, the outer cover 1 is screwed on the container mouth 9, the inner cover 7 and the inner plug 2 are integrally connected, liquid cannot flow out from the container mouth 9, the sealing performance is good, after the use is finished, the inner plug 2 can be reversely sealed at the fracture of the thin position 6 of the hollow upright post 4, the residual liquid can be stored in a sealing mode, and the use is very convenient. When the container cover with the design is used for pouring liquid, the liquid can flow out directly, cannot remain on the container cover, and after the use is completed, the liquid which is not poured out of the container cover can be left in the container, so that the hand of a user cannot be polluted during subsequent use.

Preferably, the inner diameter of the inner cover 7 is matched with the outer diameter of the hollow upright post 4, so that the inner cover 7 can be tightly matched with the fracture of the thin position 6 of the hollow upright post 4, and the sealing effect of the inner cover is ensured.

The using process comprises the following steps:

when the container is used, the inner cover 7 faces upwards in the initial state, the container opening 9 is wrapped in the middle of the outer cover 1 by the outer cover 1, the container opening 9 is blocked by the inner plug 2, and liquid cannot flow out. When a user uses the bottle, the small inner plug 8 on the inner plug 2 is firstly pulled off at the thin position 6, liquid in the container flows out through the hollow upright post 4, and if the liquid cannot be used once, the pulled-off inner cap 7 is covered, so that the liquid cannot flow out.

According to the invention, the thin position 6 is arranged to connect the inner plug 2 with the inner cap 7, and the inner cap 7 is convenient to break off from the thin position 6, when in original sealing, the thin position 6 integrally connects the inner plug 2 with the inner cap 7, the inner plug 2 is integrally screwed on a container mouth, and the whole container is covered with no outlet, so that liquid in the container cannot flow out from the inner plug 2, when the container is unsealed for use, the inner cap 7 is broken off from the thin position 6, the hollow upright post 4 of the inner plug 2 can be used as a liquid outlet, the liquid guiding effect is realized, and after the container is used, the inner cap 7 can be directly reversely sealed on the fracture of the thin position 6, so that the residual liquid in the container can be better stored. The design not only can ensure the tightness before unsealing, but also can ensure that the residual liquid in the container can be better sealed and stored after unsealing.

Example IV

As shown in figures 28-33, a container cover comprises an outer cover 1 and an inner plug 2, wherein the outer cover 1 is arranged on a container opening 9 in a screwing way, a through hole is formed in the top of the outer cover 1, the outer side of the container opening 9 is sealed once through the outer cover 1, the inner plug 2 is formed by integrating a hollow platform 3 and a hollow upright post 4, the hollow platform 3 is in sealing connection with the container opening 9, the inner side of the container opening 9 is sealed once through the hollow platform 3, a clamping ring 11 for being matched with the end face of the container opening 9 is circumferentially arranged on the hollow platform 3, the clamping ring 11 can prevent the inner plug 2 from being pressed into a container, the hollow upright post 4 extends out of the through hole of the outer cover 1, the upper end face of the hollow upright post 4 is in sealing connection with an inner cover 7, the inner cover 7 is connected with the outer cover 1 through the thin position 6, the distance between the upper end face of the inner plug 2 and the inner end face of the outer cover 1 is larger than the width of the thin position 6, when the sealing device is used, the outer cover 1 can be rotated, the outer cover 1 and the container mouth 9 are screwed, the inner plug 2 is separated from the outer cover 7 at the thin position 6 through the supporting force of the container mouth 9, after the sealing device is used, the inner cover 7 is used for sealing the hollow upright column 4, and before unsealing, the sealing effect is good because the outer cover 1 and the inner cover 7 are integrally connected, and in addition, the outer cover 1, the container mouth 9, the inner plug 2 and the container mouth 9 are sealed once respectively, so that liquid cannot flow out, and residual liquid can be stored in a sealing way after the sealing device is used. In addition, when pouring liquid, the liquid can flow out directly, can not remain on the container cover, and after the use is finished, the liquid which is not poured out of the container cover can be left in the container, and the hand of a user can not be polluted during subsequent use.

Preferably, a small inner plug 8 for blocking the hollow column 4 is arranged in the inner cover 7, when the inner cover 7 seals the hollow column 4, the small inner plug 8 can be plugged into the hollow column 4, and the hollow column 4 is further sealed through the small inner plug 8, so that the tightness is ensured.

The using process comprises the following steps:

when the novel inner cap is used, the inner cap 7 is connected with the outer cap 1 in a thin position 6 in an initial state, the outer cap 1 wraps the container opening 9 in the middle of the outer cap 1, the inner plug 2 plugs the container opening 9, the top of the container opening 9 is limited by the clamping ring 11 of the inner plug 2, the top of the hollow upright post 4 of the inner plug 2 is limited by the inner cap 7, and liquid cannot flow out. When the container is used by a user, the outer cover 1 is rotated again, the outer cover 1 is screwed with the container opening 9, the outer cover 1 is rotated downwards, the top of the container props against the inner plug 2, the hollow upright column 4 of the inner plug 2 is used for propping up the thin position 6 at the position of the inner cover 7 and the outer cover 1, the outer cover 1 is separated from the inner cover 7, liquid in the container flows out through the hollow upright column 4, and if the liquid cannot be used once, the propped up inner cover 7 is covered, so that the liquid cannot flow out.

According to the invention, the outer cover 1 and the inner cover 7 are connected by arranging the thin position 6, and the inner cover 7 is convenient to break off from the thin position 6, when in original sealing, as the thin position 6 integrally connects the outer cover 1 and the inner cover 7 together, the outer cover 1 is integrally screwed on a container mouth, the inner cover 2 is tightly pressed by the inner cover 7, the small inner cover 8 just seals the hollow upright post 4 of the inner cover, and the whole container is covered with no outlet, so that liquid in the container cannot flow out from the inner cover 2, when in unsealing use, the hollow upright post 4 can be broken off from the thin position 6 by only rotating the outer cover 1, and the hollow upright post 4 of the inner cover 2 can be used as a liquid outlet to play a role in guiding liquid. The design not only can ensure the tightness before unsealing, but also can ensure that the residual liquid in the container can be better sealed and stored after unsealing.

Example five

As shown in fig. 34-38, a container cover comprises an outer cover 1 and an inner plug 2, wherein the outer cover 1 is rotatably arranged on a container opening 9, the inner plug 2 and the outer cover 1 are integrally formed, a hollow upright post 4 is arranged in the inner plug 2, the end part of the hollow upright post 4 is connected with a small inner plug 8 through a thin position 6, the outer cover 1 seals the outer side of the container opening 9 before unsealing, the inner plug 2 seals the inner side of the container opening 9 for the second time, and the small inner plug 8 is integrally connected with the hollow upright post 4, so that the sealing effect can be ensured through three sealing positions, the outflow of liquid is avoided, when the container cover is used, the thin position 6 is required to be broken, the small inner plug 8 after being broken can be used for sealing the fracture of the thin position 6, if the liquid is not used, the small inner plug 8 is only required to seal the fracture of the thin position 6, the container cover is very convenient to use, and the sealing effect is good. In addition, when pouring liquid, the liquid can flow out directly, can not remain on the container cover, and after the use is finished, the liquid which is not poured out of the container cover can be left in the container, and the hand of a user can not be polluted during subsequent use.

Preferably, the small inner plug 8 is circumferentially provided with a limiting table 10 for sealing the cross section of the thin position 6, and the limiting table 10 not only can seal the cross section of the thin position 6, but also can prevent the small inner plug 8 from being pressed into the container.

The using process comprises the following steps:

when the bottle is used, the inner plug 2 is connected with the outer cover 1 by the thin position 6 in the initial state, the outer cover 1 wraps the container opening 9 in the middle of the outer cover 1, and liquid cannot flow out. When a user uses the bottle cap, the small inner plug 8 on the outer cap 1 is firstly broken at the thin position 6, liquid in the bottle cap flows out through the hollow upright post 4, and if the liquid cannot be used once, the broken small inner plug 8 is covered, so that the liquid cannot flow out.

According to the invention, the thin position 6 is arranged to connect the inner cover 7 with the small inner plug 8, and the small inner plug 8 is convenient to break off from the thin position 6, when in original sealing, the thin position 6 integrally connects the outer cover 1 with the inner cover 7, the outer cover 1 is integrally screwed on a container mouth, and no outlet exists on the whole container cover, so that liquid in the container cannot flow out of the inner plug 2, when the container is unsealed, the small inner plug 8 is broken off from the thin position 6, the hollow upright column 4 of the inner plug 2 can be used as a liquid outlet, the liquid guiding effect is achieved, and after the container is used, the hollow upright column can be directly plugged by reversely rotating the small inner plug 8, so that sealing can be realized, and the residual liquid in the container can be better stored. The design not only can ensure the tightness before unsealing, but also can ensure that the residual liquid in the container can be better sealed and stored after unsealing.

Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A container lid comprising an outer lid (1) and an inner plug (2), characterized in that: the outer cover (1) is screwed on the container mouth (9), a through hole is formed in the top of the outer cover (1), the inner plug (2) is formed by integrating a hollow platform (3) and a hollow upright post (4), a pressing block (5) with the diameter larger than the diameter of the through hole of the outer cover (1) and the inner diameter of the container mouth (9) is circumferentially arranged on the hollow platform (3), the pressing block (5) is tightly pressed and fixed on the end face of the container mouth (9) through the outer cover (1), an inner cover (7) capable of being used for sealing a fracture of the thin position (6) is arranged at the bottom of the hollow upright post (4) of the inner plug (2), and a small inner plug (8) capable of being used for sealing an upright post cavity is arranged inside the inner cover (7);

when the device is used, the hollow upright post (4) faces downwards in the initial state, the inner plug (2) and the clamping position are wrapped in the container opening (9), and liquid cannot flow out;

when the bottle cap is used by a user, the outer cap (1) is opened, the inner plug (2) is turned over, the outer cap (1) is covered and screwed, the pressing block (5) is pressed by the outer cap (1), the hollow upright post (4) faces upwards, then liquid in the thin position (6) is pulled out of the hollow upright post (4) through the container opening (9), if the liquid cannot be used once, the pulled inner cap (7) is covered, and meanwhile, the inner cavity of the hollow upright post (4) is blocked by the small inner plug (8), so that the liquid cannot flow out.

2. A container cap according to claim 1, wherein: the joint of the pressing block (5) and the inner plug (2) is provided with a clamping position matched with the outer cover (1).