WO2019080785A1 - 一种密封容器 - Google Patents

一种密封容器

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Publication number
WO2019080785A1
WO2019080785A1 PCT/CN2018/111115 CN2018111115W WO2019080785A1 WO 2019080785 A1 WO2019080785 A1 WO 2019080785A1 CN 2018111115 W CN2018111115 W CN 2018111115W WO 2019080785 A1 WO2019080785 A1 WO 2019080785A1
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WO
WIPO (PCT)
Prior art keywords
sealing plate
container
structure portion
sealed container
cover
Prior art date
Application number
PCT/CN2018/111115
Other languages
English (en)
French (fr)
Inventor
陈广友
Original Assignee
陈广友
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 陈广友 filed Critical 陈广友
Publication of WO2019080785A1 publication Critical patent/WO2019080785A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/04—Discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation

Definitions

  • the present invention relates to a sealed container, and more particularly to a container, such as a cup, a bottle, a can, etc., which needs to be sealed.
  • the existing sealed containers such as cups, bottles, cans, etc. in the market are generally sealed by a lid, and the inside of the cover is provided with a sealing ring or a gasket of silicone or other plastic material, and the sealing ring is generally disposed at the edge of the lid, so that when the container is opened When the part is docked with the cover, the open end of the container is just opposite to the position of the sealing ring, and the sealing can be achieved due to the deformation of the sealing ring when the cover is pressed.
  • the material in the container directly contacts the lid and the sealing ring of the container.
  • the present invention provides a sealed container which has good sealing property, simple structure, low manufacturing cost, and can be applied to various conditions.
  • the sealed container of the present invention comprises a container body provided with an opening of the container and a container cover provided at the opening of the container, the container cover comprising a planar structure portion and a ring structure portion, the lower surface of the planar structure portion being provided with a seal a sealing plate covering a lower surface of the planar structure portion, a gasket or a gasket or a spacer between the lower surface of the planar structural portion and the sealing plate; an opening of the opening of the container The end surface is flat, and the sealing plate contact surface at the opposite end of the opening end surface is flat, and the flatness of the opening end surface is consistent with the flatness of the sealing plate contact surface.
  • the sealing plate is a glass plate, a ceramic plate or a metal plate.
  • the sealing plate is a flat plate, and the gasket or the gasket or the spacer is symmetrically disposed centering on the central axis of the container cover.
  • the gasket is disposed along a peripheral edge portion of the sealing plate.
  • the spacer is spherical in shape, fixed on a lower surface of the planar structure portion or fixed on an upper surface of the sealing plate.
  • the sealing plate has a cross section of A gasket is provided between the lower surface of the planar structure portion and the sealing plate.
  • the gasket is disposed along a peripheral edge portion of the sealing plate.
  • the container lid is provided with a pressure reducing valve.
  • the upper surface of the inner surface of the annular structure portion is provided with a step for engaging the sealing plate.
  • the inner surface of the annular structure portion is provided with a thread.
  • the outer peripheral cylindrical surface of the container cover is provided with a stainless steel outer layer; the edge portion of the upper surface of the container cover is provided with a groove, and the groove covers the outer periphery of the upper surface of the container cover.
  • the edge portion is divided into a first convex portion and a second convex portion, and an upper end portion of the stainless steel outer layer is wrapped in the first convex portion and then bent in the concave groove, and the container cover annular structure portion
  • the lower end of the stainless steel is provided with a notch, and the lower end of the stainless steel outer layer is bent at the notch.
  • the material of the container cover base may be a plastic such as PP, PC, PPSU or PES.
  • the sealed container of the invention completely discards the way that the cover base material itself and the silicone gasket directly contact the material to be filled, but directly contacts the material with a sealing plate such as glass, ceramic, metal or the like suitable for the required use condition.
  • a sealing plate such as glass, ceramic, metal or the like suitable for the required use condition.
  • the sealing plate is directly connected with the cup mouth to form a sealing structure, which replaces the sealing method of the traditional (silicon) rubber pad or plastic pad.
  • the sealing plate used in the invention is non-toxic and harmless, has no secondary pollution, and has better sealing and heat preservation functions.
  • the sealed container of the present invention is suitable for containers requiring a seal such as cups, bottles, cans, and the like.
  • the sealed container of the invention can be directly covered by the screw gland by the flatness of the container mouth, and the conventional sealing method is made by the silicone pad, and the screw gland needs to continue to rotate after being rotated until a certain pressure is applied.
  • the silicone pad is deformed, and even when the lowest part of the container is tight and tight, the sealing effect can be achieved.
  • the invention removes plastic odor, reduces secondary pollution, is resistant to acid and alkali, and is durable, and is a sealing method with good sealing property, simple structure, low production cost and being applicable to various conditions.
  • Figure 1 is a schematic view showing the structure of a sealed container of the present invention
  • Figure 2 is a schematic view showing the structure of a container cover
  • Figure 3 is a schematic view showing another structure of a container cover
  • Figure 4 is a schematic view showing the structure of another sealed container of the present invention.
  • Figure 5 is a partial enlarged structural view of the area A in Figure 4.
  • the sealed container of the present invention may be a glass container such as a glass cup or a glass bottle or a glass jar, and includes a container body 9 provided with the container opening portion 10 and a container cover provided at the container opening portion 10,
  • the container cover includes a planar structure portion 2 and a ring structure portion 1.
  • the lower surface of the planar structure portion 2 is provided with a flat sealing plate 6, which is a glass plate, and the lower surface is flat, which can cover the lower surface of the planar structure portion
  • a gasket 31 is provided between the lower surface of the planar structure portion 2 and the flat sealing plate 6, the gasket being disposed along the outer peripheral edge portion of the planar sealing plate 6; the opening end surface of the container opening portion 10 is flat, and the flat sealing plate 6 is The lower surface is also flat, and the open end face is uniform with the lower surface of the sealing plate.
  • a step 4 for engaging the flat sealing plate 6 is further disposed on the upper portion of the inner surface of the annular structure portion 1, so that the flat sealing plate 6 can be preferably disposed on the cover;
  • the threaded design of the portion, the inner surface of the annular structure portion 2 is further provided with a thread 5, that is, the container cover is designed as a screw gland.
  • the connection manner between the container lid and the opening portion of the container may be other than the screw connection.
  • the card connection or the like can be fixed as long as the sealing plate is flush with the opening end surface of the container. If the container needs to be sealed, the container lid is spun and the flat sealing plate 6 is completely flat.
  • the open end surface of the container opening 10 will first contact the flat sealing plate 6 in one direction, and the spinning is continued because the upper gasket
  • the deformation action causes the opening end faces of the container opening 10 to be in contact with the flat sealing plate 6 in other directions until the opening end faces of the container opening portions 10 are in close contact with the flat sealing plate 6 in all directions to achieve sealing.
  • the container cover structure of another sealed container of the present invention is the same as those of the first embodiment except that the lower surface of the planar structure portion 2 and the flat sealing plate 6 are A spacer 32 is disposed between the spacers and is symmetrically disposed about the central axis of the container cover.
  • the spacer may be sized to cover the upper surface of the entire planar sealing plate 6, or may be partially covered as shown in FIG.
  • the sealing principle of the sealed container structure of this example is the same as that of the first embodiment.
  • the container cover structure of the third sealed container of the present invention, the container body 9, the container cover and other structures are the same as those of the first embodiment except for the lower surface of the planar structure portion 2 and the flat sealing plate 6.
  • a spacer 33 is provided, the spacer is spherical, and the spacer is preferably symmetrically disposed about the central axis of the container cover, and is fixed on the lower surface of the planar structure portion 1. If the container needs to be sealed, the spinning is performed.
  • the container cover and the flat sealing plate 6 are completely flat, but due to the high and low thread progress, the open end surface of the container opening 10 is first contacted with the flat sealing plate 6 in one direction, and the spinning is continued, because the block 33 is formed by the blocking of the upper block 33.
  • the flat sealing plate 6 With the fulcrum, the flat sealing plate 6 is formed into a see-saw shape, and then the spinning is continued, and the other end faces of the opening end of the container opening portion 10 are successively in contact with the flat sealing plate 6, until the opening end faces of the container opening portions 10 are sealed with the plane in all directions.
  • the plate 6 is in close contact to achieve a seal.
  • the spacer 33 is spherical, and the hard material can be made of hard plastic PP, PC, PPSU, PES, etc., so that the planar sealing plate 6 can be a fulcrum with the spacer 33 as a fulcrum to form a universal swing on the spherical surface.
  • the block is formed integrally with the container cover or becomes a part of the container cover, which is obviously more advantageous for the manufacture of the structure.
  • the spacer 33 is spherical, when the planar sealing plate is in contact with the spacer, the planar sealing plate 6 can form a universal swing on the spherical surface with the spacer 33 as a fulcrum, so that the open end surface of the container opening 10 and the flat sealing plate 6 The final close contact, the seal is achieved.
  • the spacer 33 can also achieve the same seal by being fixed to the upper surface of the flat sealing plate 6.
  • the container cover structure of the fourth sealed container of the present invention, the container body 9, the container cover and other structures are the same as those of the first embodiment, but the sealing plate used is
  • the sealing plate 7 is provided with a pressure reducing valve 16 and a pressure reducing button 17 on the container cover, and the opening end surface of the container opening portion 10 is flat, and is opposite to the opening end surface.
  • the sealing surface of the sealing plate is flat, and the flatness of the opening end face is The flatness of the contact surface of the sealing plate is the same.
  • the space between the sealing plate 7 and the planar structure portion 2 is large, so that the pressure reducing valve 16 can be provided, and the pressure reducing valve 16 can be designed to make the sealed container of the present invention open when the material is overheated or supercooled.
  • the sealing principle of the sealed container structure of this example is similar to that of the first embodiment.
  • the invention omits various (silicon) rubber pad materials used in the traditional sealing method, removes plastic odor, reduces secondary pollution, is resistant to acid and alkali, and is durable.
  • a heat insulating glass cup in which a stainless steel outer layer 11 may also be provided on the outer circumferential cylindrical surface of the container lid (cup lid); a concave portion is provided on the edge portion of the upper surface of the container lid
  • the groove and the groove divide the outer peripheral edge portion of the upper surface of the container cover into the first convex portion 12 and the second convex portion 13, and the upper end portion of the stainless steel outer layer 11 is covered by the first convex portion 12 and then bent Inside the groove.
  • the groove can serve as a cuff space of the outer peripheral edge when the outer surface of the container cover is covered by the stainless steel outer layer, and the groove is disposed such that the outer peripheral edge portion of the upper surface of the container cover is divided into two convex portions.
  • the first raised portion 12 is covered by the stainless steel outer layer, and the second raised portion 13 is not covered by the stainless steel outer layer, that is, the upper end portion of the stainless steel outer layer 11 covers the first raised portion 12 and the upper end is just right.
  • the design makes the stainless steel tip not exposed, safe, and on the other hand
  • the thickness of the outer layer of the stainless steel makes the surface of the outer surface of the whole container cover have a certain convexity, thereby avoiding the problem that the cup lid is placed on a smooth surface such as a glass table, especially when the surface of the water has a clean surface;
  • the lower end of the annular portion of the container cover is provided with a notch, and the lower end of the stainless steel outer layer 11 is just bent at the notch (the notched space in the figure is occupied by the lower end of the stainless steel outer layer 11 and is not shown).
  • the upper and lower ends of the stainless steel outer layer 11 are all designed with the above-mentioned bending design. On the one hand, the ends of the stainless steel outer layer are not exposed and are not prominent and safe; on the other hand, the upper and lower ends of the stainless steel outer layer are respectively After being bent into the groove and the notch, the outer layer of the stainless steel and the container cover are formed into a tightly fitting structure, and the outer layer of the stainless steel is not detached when spinning, and if the upper and lower ends of the stainless steel outer layer are not folded.
  • the bending design of the outer end of the stainless steel ensures the overall practicability and appearance of the lid structure.
  • the rounded corners of the stainless steel outer layer 11 at the corners of the bend ensure the safety and the overall structure of the container lid. Practicality and beauty.
  • the upper surface of the container lid may also be provided with a printed layer 14 on which a layer 15 of transparent material is disposed.
  • the printed layer can be designed with pattern characters, and the transparent material layer can be a glass layer or a food-grade high-transparent plastic such as PP, PC, PPSU, PES plastic, etc., which is transparent and bright, enhances the appearance and use experience.
  • the transparent material layer can be a glass layer or a food-grade high-transparent plastic such as PP, PC, PPSU, PES plastic, etc., which is transparent and bright, enhances the appearance and use experience.
  • a stainless steel outer layer 11 may be provided on the outer circumferential cylindrical surface of the container cover; a groove is provided at an edge portion of the upper surface of the container cover, and the groove covers the outer periphery of the upper surface of the container cover.
  • the edge portion is divided into a first convex portion 12 and a second convex portion 13, and at the same time, the upper surface of the container cover may further be provided with a printed layer 14, and a transparent material layer 15 is disposed on the upper surface of the printed layer.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

一种密封容器，包括容器本体和容器盖，容器盖包括平面结构部（2）和圆环结构部（1），平面结构部的下表面设有密封板，密封板可覆盖所述平面结构部的下表面，在平面结构部的下表面与所述密封板之间设有垫圈（31）或垫片（32）或垫块（33）；容器开口部的端面平整，与容器开口部的端面相对接处的密封板接触面平整。该密封容器釆用密封板如玻璃、陶瓷、金属等适合所需使用条件的材质直接接触物料，同时以密封板直接与杯口的接触形成密封结构，无毒无害，无二次污染，具有更好的密封以及保温功能。

Description

一种密封容器 技术领域
本发明涉及一种密封容器，尤其涉及杯子、瓶子、罐子等需要密封的容器。
背景技术
市场现有的密封容器如杯子、瓶子、罐子等一般采用盖子密封，且盖子内部均设有硅胶或其他塑料材质的密封圈或密封垫，该密封圈一般设置在盖子边缘位置，这样当容器开口部与盖子对接时，容器开口端部正好与密封圈位置对应对接，按压盖子时由于密封圈的形变作用即可实现密封。但是该密封方式，容器内的物料是会直接接触容器盖子和密封圈的，由于容器盖子本身制作的材质也多种多样，硅胶或其他塑料材质长期使用容易老化，金属基体则容易腐蚀或者含有重金属，而采用更高级别或规格的材质制作容器则面临高成本。这样当容器内的物料必须要求较高洁净度或者较高的无污染要求或者物料具有腐蚀作用等时，采用现有技术的这种密封方式则并不能很好的适用于此。
发明内容
为解决上述现有技术问题，本发明提供了一种密封性好、结构简单、制作成本低且能适用于多种条件要求的密封容器。
本发明的密封容器，包括设有容器开口部的容器本体和设于容器开口部的容器盖，所述容器盖包括平面结构部和圆环结构部，所述平面结构部的下表面设有密封板，所述密封板可覆盖所述平面结构部的下表面，在所述平面结构部的下表面与所述密封板之间设有垫圈或垫片或垫块；所述容器开口部的开口端面平整，与所述开口端面相对接处的密封板接触面平整，且开口端面的平整度与密封板接触面的平整度一致。
作为优选，所述密封板为玻璃板、陶瓷板或金属板。
作为优选，所述密封板为平面板，所述垫圈或垫片或垫块以容器盖的中轴线为中心对称设置。
当所述密封板为平面板，优选的，所述垫圈沿所述密封板的外周边缘部设置。
当所述密封板为平面板，优选的，所述垫块为球面形，固定在所述平面结构部的下表面上或者固定在所述密封板的上表面上。
作为优选，所述密封板截面为
Figure PCTCN2018111115-appb-000001
型，在所述平面结构部的下表面与所述密封 板之间设有垫圈。
当所述密封板截面为
Figure PCTCN2018111115-appb-000002
型，优选的，所述垫圈沿所述密封板的外周边缘部设置。
当所述密封板截面为
Figure PCTCN2018111115-appb-000003
型，优选的，所述容器盖上设有减压阀。
上述所述密封容器中，优选的，所述圆环结构部的内表面上部设有用于卡接密封板的台阶。
上述所述密封容器中，优选的，所述圆环结构部的内表面设有螺纹。
上述所述密封容器中，优选的，所述容器盖的外周圆柱面上设有不锈钢外层；所述容器盖上表面的边缘部设有凹槽，所述凹槽将容器盖上表面的外周边缘部分割成第一凸起部和第二凸起部，所述不锈钢外层的上端部将第一凸起部包覆后折弯于所述凹槽内，所述容器盖圆环结构部的下端头设有缺口，所述不锈钢外层的下端头折弯于所述缺口处。
本发明中容器盖基体的材质可以为PP、PC、PPSU、PES等塑料。
本发明的密封容器完全摒弃了传统上以盖子基体材质本身以及硅胶垫圈直接接触所盛装物料的方式，而是釆用密封板如玻璃、陶瓷、金属等适合所需使用条件的材质直接接触物料，同时，以密封板直接与杯口的接触形成密封结构，取代了传统的(硅)胶垫或塑胶垫的密封方式。本发明所采用的密封板无毒无害，无二次污染，而且具有更好的密封及保温功能。本发明的密封容器适用于杯子、瓶子、罐子等需要密封的容器。
本发明的密封容器，由于容器口平整度好，可采用螺旋压盖旋转直接盖上即可，而传统以硅胶垫进行密封的方式，螺旋压盖旋转后还需要继续旋转直至通过一定的压力使硅胶垫变形，甚至容器口最低处紧密严实后才能达到密封效果。本发明去除了塑料异味，减少了二次污染，耐酸耐碱，经久耐用，是一种密封性好、结构简单、制作成本低且能适用于多种条件要求的密封方式。
附图说明
图1为本发明的一种密封容器结构示意图；
图2为一种容器盖结构示意图；
图3为另一种容器盖结构示意图；
图4为本发明的另一种密封容器结构示意图；
图5为图4中区域A局部放大结构示意图；
图中：1.圆环结构部，2.平面结构部，31.垫圈，32.垫片，33.垫块，4.台阶，5.螺纹，6.平面密封板，7.
Figure PCTCN2018111115-appb-000004
型密封板，8.容器盖中轴线，9.容器本体，10.容器开口部，11.不锈钢外层，12.第一凸起部，13.第二凸起部，14.印制层，15.透明材料层，16.减压阀，17.减压按键。
具体实施方式
下面结合附图对本发明的内容进行进一步说明，但所述并非对发明保护范围的简单限定。
实施例1
如图1所示，本发明的密封容器，为玻璃容器如可以是玻璃杯或玻璃瓶或玻璃罐，其包括设有容器开口部10的容器本体9和设于容器开口部10的容器盖，容器盖包括平面结构部2和圆环结构部1，平面结构部2的下表面设有平面密封板6，该密封板为玻璃板，下表面平整，其可覆盖所述平面结构部的下表面，在平面结构部2的下表面与平面密封板6之间设有垫圈31，该垫圈沿所述平面密封板6的外周边缘部设置；容器开口部10的开口端面平整，平面密封板6的下表面也平整，开口端面与密封板的下表面平整度一致。这样，容器开口部10的开口端面与平面密封板在对接时，就具有了密封的基础，就能够保证严丝合缝，保证密封性。该密封容器中，在圆环结构部1的内表面上部还设有用于卡接平面密封板6的台阶4，这样，平面密封板6即可较好的设置在盖子上；为配合常用容器开口部的螺纹设计，圆环结构部2的内表面还设有螺纹5，即容器盖为螺旋压盖设计，当然容器盖与容器开口部的连接方式除了螺纹连接外，也可以采用其他连接方式如卡接等，其只要能够实现使密封板与容器开口端面平整对接后的固定即可。若容器需要密封时，旋压容器盖，平面密封板6完全平整，但由于螺纹高低进程，容器开口部10的开口端面会一个方向先与平面密封板6接触，继续旋压，因为上面垫圈的形变作用，使容器开口部10的开口端面其他方向也陆续与平面密封板6接触，直至容器开口部10的开口端面所有方向均与平面密封板6紧密接触，实现密封。
实施例2
如图2所示，为本发明的另一种密封容器的容器盖结构，容器本体9、容器盖及其他结构与实施例1相同，只是在平面结构部2的下表面与平面密封板6之间设 有垫片32，该垫片以容器盖的中轴线为中心对称设置，该垫片的大小可铺满整个平面密封板6的上表面，也可以如图2所述只铺一部分。该例密封容器结构的密封原理与实施例1相同。
实施例3
如图3所示，为本发明的第三种密封容器的容器盖结构，容器本体9、容器盖及其他结构与实施例1相同，只是在平面结构部2的下表面与平面密封板6之间设有垫块33，该垫块为球面形，该垫块以容器盖的中轴线为中心对称设置为佳，其固定在平面结构部1的下表面上，若容器需要密封时，旋压容器盖，平面密封板6完全平整，但由于螺纹高低进程，容器开口部10的开口端面会一个方向先与平面密封板6接触，继续旋压，因为上面垫块33的阻挡，垫块33形成了支点，平面密封板6会形成跷跷板状，再继续旋压，则容器开口部10的开口端面其他方向也陆续与平面密封板6接触，直至容器开口部10的开口端面所有方向均与平面密封板6紧密接触，实现密封。该结构中，垫块33为球面形，硬质材料制作如可以为硬质塑料PP、PC、PPSU、PES等，以使平面密封板6可以垫块33为支点而在球面上形成万向摆动；而当垫块材质与容器盖基体材质相同时，则垫块即与容器盖形成一整体或成为容器盖的一部分，这样显然会更利于结构体的制作。由于垫块33为球面状，当平面密封板与垫块接触时，平面密封板6可以垫块33为支点而在球面上形成万向摆动，从而使容器开口部10的开口端面与平面密封板6最终紧密接触，实现了密封。当然，垫块33也可通过固定在平面密封板6的上表面上亦可实现同样的密封。
实施例4
如图4-5所示，为本发明的第四种密封容器的容器盖结构，容器本体9、容器盖及其他结构与实施例1相同，但所采用的密封板为
Figure PCTCN2018111115-appb-000005
型密封板7，且容器盖上设有减压阀16和减压按键17，容器开口部10的开口端面平整，与开口端面相对接处的
Figure PCTCN2018111115-appb-000006
型密封板接触面平整，且开口端面的平整度与
Figure PCTCN2018111115-appb-000007
型密封板接触面的平整度一致。该种结构设计，
Figure PCTCN2018111115-appb-000008
型密封板7与平面结构部2之间的空间较大，这样可以进行设置减压阀16，减压阀16的设计，可以使本发明的密封容器在盛装过热或过冷的物料在打开时，先进行放气或进气使容器内外气压平衡，这样更容易打开容器盖。该例密封容器结构的密封原理与实施例1相似。本发明省略掉了传统密封方式所用的各种(硅)胶垫材料，去除了塑料异味，减少了二次污染，耐酸耐碱，经 久耐用。
对于实施例4容器结构，典型的即为保温玻璃杯，在该结构中，也可在容器盖(杯盖)的外周圆柱面上设不锈钢外层11；在容器盖上表面的边缘部设凹槽，凹槽将容器盖上表面的外周边缘部分割成第一凸起部12和第二凸起部13，不锈钢外层11的上端部将第一凸起部12包覆后折弯于所述凹槽内。凹槽可作为不锈钢外层对容器盖外表面进行包覆时外周边缘的翻边空间，同时，该凹槽的设置使容器盖上表面的外周边缘部分割成两个凸起部，其中。第一凸起部12被不锈钢外层所包覆，第二凸起部13未被不锈钢外层包覆，也即不锈钢外层11的上端部将第一凸起部12包覆后上端头正好折弯于所述凹槽内(因图中凹槽空间被不锈钢外层11的上端头所占用，故未标示出)，该设计一方面使不锈钢端头不露置，安全，另一方面由于不锈钢外层的厚度，使容器盖整体的外表面的水平面边缘有一定凸起，从而避免了杯盖倒置于光洁平面如玻璃台面尤其在有水的光洁台面时杯盖拿取不易的问题；同时容器盖圆环结构部的下端头设有缺口，不锈钢外层11的下端头正好折弯于该缺口处(图中缺口空间被不锈钢外层11的下端头所占用，故未标示出)。不锈钢外层11的上、下端头均采用上述所述的折弯设计，一方面使不锈钢外层的端头正好不露置不突出，安全；另一方面，不锈钢外层的上、下端头分别折弯于凹槽和缺口后，也使不锈钢外层与容器盖形成紧实贴合的结构，旋压时也不会导致不锈钢外层的脱离，而如果不锈钢外层的上、下端头不折弯，旋压力量过大或旋压过量时容易导致不锈钢外层与容器盖脱离，尤其当在盛装过冷或过热物料时，由于不锈钢外层材料与容器盖材料的热胀冷缩变形率的不同，更容易导致不锈钢外层与容器盖的脱离。因而不锈钢外层端头的折弯设计保证了杯盖结构的整体实用性与外观整洁美感；另外，不锈钢外层11在弯折拐角处的圆角设置也有效保证了安全以及容器盖结构的整体实用性与美感。另外，容器盖的上表面还可设有印制层14，印制层的上面设有透明材料层15。其中印制层上可设计图案文字，透明材料层可以是玻璃层或者食品级的高透明塑料如PP、PC、PPSU、PES塑料等，其透明净亮，增强了美观及使用体验。
同样，对于实施例1-3所述容器结构，也可在容器盖的外周圆柱面上设不锈钢外层11；在容器盖上表面的边缘部设凹槽，凹槽将容器盖上表面的外周边缘部分割成第一凸起部12和第二凸起部13，同时，容器盖的上表面还可设有印制层14，印制层的上面设有透明材料层15。

Claims (11)

  1. 一种密封容器，包括设有容器开口部的容器本体和设于容器开口部的容器盖，其特征在于，所述容器盖包括平面结构部和圆环结构部，所述平面结构部的下表面设有密封板，所述密封板可覆盖所述平面结构部的下表面，在所述平面结构部的下表面与所述密封板之间设有垫圈或垫片或垫块；所述容器开口部的开口端面平整，与所述开口端面相对接处的密封板接触面平整，且开口端面的平整度与密封板接触面的平整度一致。
  2. 如权利要求1所述密封容器，其特征在于，所述密封板为玻璃板、陶瓷板或金属板。
  3. 如权利要求2所述密封容器，其特征在于，所述密封板为平面板，所述垫圈或垫片或垫块以容器盖的中轴线为中心对称设置。
  4. 如权利要求3所述密封容器，其特征在于，所述垫圈沿所述密封板的外周边缘部设置。
  5. 如权利要求3所述密封容器，其特征在于，所述垫块为球面形，固定在所述平面结构部的下表面上或者固定在所述密封板的上表面上。
  6. 如权利要求2所述密封容器，其特征在于，所述密封板截面为
    Figure PCTCN2018111115-appb-100001
    型，在所述平面结构部的下表面与所述密封板之间设有垫圈。
  7. 如权利要求6所述密封容器，其特征在于，所述垫圈沿所述密封板的外周边缘部设置。
  8. 如权利要求7所述密封容器，其特征在于，所述容器盖上设有减压阀。
  9. 如权利要求1-8任一项所述密封容器，其特征在于，所述圆环结构部的内表面上部设有用于卡接密封板的台阶。
  10. 如权利要求9所述密封容器，其特征在于，所述圆环结构部的内表面设有螺纹。
  11. 如权利要求10所述密封容器，其特征在于，所述容器盖的外周圆柱面上设有不锈钢外层；所述容器盖上表面的边缘部设有凹槽，所述凹槽将容器盖上表面的外周边缘部分割成第一凸起部和第二凸起部，所述不锈钢外层的上端部将第一凸起部包覆后折弯于所述凹槽内，所述容器盖圆环结构部的下端头设有缺口，所述不锈钢外层的下端头折弯于所述缺口处。
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