WO2017000148A1 - 真空密封水杯 - Google Patents
真空密封水杯 Download PDFInfo
- Publication number
- WO2017000148A1 WO2017000148A1 PCT/CN2015/082741 CN2015082741W WO2017000148A1 WO 2017000148 A1 WO2017000148 A1 WO 2017000148A1 CN 2015082741 W CN2015082741 W CN 2015082741W WO 2017000148 A1 WO2017000148 A1 WO 2017000148A1
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- WIPO (PCT)
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- cover
- sealing
- lid
- valve
- cup
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
Definitions
- the utility model relates to a water cup, in particular to a vacuum sealed water cup.
- the water cup is the container we use to hold the liquid. It is divided into a cup cover and a non-cup cover.
- the cup cover is divided into two types: sealed and unsealed.
- the sealed cup is usually installed by screwing the cup cover.
- the cup lid needs to be screwed so that the external thread on the cup lid matches the internal thread on the cup body. If the closure is slightly distorted, the sealing will be lax, resulting in a tight seal.
- the utility model relates to a sealing method for fastening a cup lid to a cup body by using a buckle, but the sealing method is easy to generate a negative pressure in the cup body, and when the water cup is filled with water, it is generated between the cup body and the cup lid.
- the large air pressure is particularly inconvenient to unscrew, and it is often necessary to make it great to open, and the water inside the cup is easily spilled outside when it is opened, which is particularly inconvenient to operate.
- the technical problem to be solved by the utility model is that the existing sealed water cup is inconvenient to open after the sealing due to the large negative pressure existing in the cup.
- the technical solution adopted by the present invention is to provide a vacuum sealing water cup, comprising a cup body and a cup lid sealing assembly sealingly engaging the cup body, wherein the cup lid sealing assembly comprises Set up in order from bottom to top:
- a lower lid is screwed to the open end of the cup body, and one end of the upper surface of the lower lid protrudes with a column-shaped drinking opening;
- An upper lid that is fastened to the lower lid and hinged with the lower lid, the front end of the upper lid protruding downwardly with a first lid, the upper lid being opposite to the drinking opening Position with deflation Sealing the valve, the drinking water port is provided with a sealing ring matched with the venting sealing valve;
- the sealing cover is reversely engaged with the upper lid and hinged with the upper lid, and the inside of the reverse sealing cover is provided with a cylindrical pressing ring matched with the deflation sealing valve.
- the deflation sealing valve includes a valve stem and an upper bonnet and a lower bonnet protruding from upper and lower ends of the valve stem, and an annular gasket is disposed between the upper bonnet and the valve stem.
- the height of the upper valve cover is not less than the height of the lower valve cover.
- the upper cup cover has a sealing valve groove at a position corresponding to the water receiving opening, the venting sealing valve is disposed in the sealing valve groove, and the lower valve cover extends out One end of the sealing valve groove is engaged with the water inlet, and the other end of the upper valve cover extending from the sealing valve groove is abutted against the cylindrical pressing ring.
- the other end of the upper surface of the lower lid is provided with a connecting protrusion, and the outer edge of the drinking opening is provided with a buckle protrusion, and the first cover is opened with the buckle A raised slot that fits the protrusion.
- the first through hole is formed on the side of the upper portion of the connecting bump, and the rear end of the upper cup is provided with a first rotating shaft adapted to the first through hole, the first rotation A shaft passes through the first through hole, and the upper cup rotates about the first rotating shaft.
- the front end of the reverse sealing cover protrudes forwardly with a second cover, a card is protruded downward, and the lower end of the card protrudes inwardly with a hook, the upper cover A strip-shaped groove adapted to the card plate is opened, the card plate is inserted into the strip-shaped groove, and the hook is abutted against an inner side surface of the upper cup cover.
- the inner side of the rear end of the reverse sealing cover is provided with two ear plates, a second through hole is formed in a side surface of the ear plate, and a rear end of the upper cup cover is provided with the second a through hole is adapted to the second rotating shaft, the second rotating shaft passes through the second through hole, and the reverse sealing cover rotates around the second rotating shaft.
- the deflation sealing valve is made of rubber material.
- the middle portion of the side surface of the lower lid protrudes outwardly with an annular handle, and the ring The handle is tilted upwards.
- the outer side surfaces of the cup are provided with a plurality of arcuate recesses spaced apart in the circumferential direction.
- the cylindrical pressing ring when the reverse sealing cover is fastened on the upper lid, the cylindrical pressing ring will over-press and compress the deflation sealing valve, preventing the liquid in the cup from flowing out through the venting sealing valve, and when the reverse sealing cover is rotated and opened
- the cup body can be vacuumed by a vacuuming device, so that the cup body is in a completely sealed vacuum state, and the food stored therein is effectively preserved, and the reverse sealing cover is opened when drinking, and only the deflation seal is gently pushed.
- the upper lid After the valve completes the deflation function, the upper lid can be easily opened to obtain the required food.
- the structure is simple, the operation is convenient, and the sealing performance is good, which effectively solves the problem that the water cup is not convenient to open after the sealing due to the large negative pressure in the cup. problem.
- Figure 1 is a schematic view of the structure of the present invention
- Figure 2 is a state diagram of the utility model when the lid seal assembly is opened
- Figure 3 is a schematic view showing the connection of the lower cup cover and the cup body of the present invention.
- Figure 4 is a schematic view showing the structure of the upper cup cover removed in the present invention.
- Figure 5 is a schematic structural view of the upper cup cover of the present invention.
- Figure 6 is a schematic view showing the internal structure of the reverse sealing cover of the present invention.
- Figure 7 is a schematic view showing the structure of the venting sealing valve of the present invention.
- the present invention provides a vacuum sealed water cup, comprising a cup body 100 and a lid seal assembly sealingly engaged with the cup body 100.
- the lid seal assembly includes a lower lid 200 disposed in order from bottom to top.
- the upper cover 300 and the reverse sealing cover 400 are provided with a plurality of arcuate recesses 110 in the circumferential direction of the outer surface of the cup 100.
- the number of arcuate dimples 110 is three, and the arc is The dimples 110 increase the friction when the cup 100 is grasped, preventing slipping.
- the lower lid 200 is screwed to the open end of the cup 100 and forms a sealed receiving cavity with the cup 100.
- the receiving chamber contains water or other items
- the lower lid 200 is A columnar drinking port 210 is protruded from one end of the upper surface, the water inlet 210 is connected to the receiving cavity, and the other end is provided with a connecting protrusion 220.
- the first through hole 221 is opened on the side of the upper part of the connecting protrusion 220, and the outside of the drinking port 210
- the edge is provided with a snap protrusion 240.
- An annular handle 230 protrudes outwardly from a central portion of the lower surface of the lower lid 200. The annular handle 230 is inclined upward. If the cup 100 contains hot water or food, the hand grips the annular handle 230 to prevent burns, which is convenient and reliable.
- the upper lid 300 is fastened to the lower lid 200 and hinged with the lower lid 200.
- the rear end of the upper lid 300 is rotatably coupled to the connecting projection 220, wherein the rear end of the upper lid 300 is rotated.
- the first rotating shaft 330 is matched with the first through hole 221, the first rotating shaft 330 passes through the first through hole 221, and the upper lid 300 can rotate around the first rotating shaft 330, so the upper lid 300 can be Randomly pry open or snap onto the lower lid 200.
- a first cover 320 is protruded downwardly from a front end of the upper cover 300.
- the first cover 320 is provided with a convex slot 321 adapted to the buckle protrusion 240.
- the latching protrusion 240 is inserted into the protruding slot 321 to serve as a fixing function.
- the first cover 320 is only required to be smashed outward, and the latching protrusion 240 is used. It will come out from the raised slot 321 and is simple and convenient.
- the upper cover 300 has a sealing valve groove 310 at a position corresponding to the water inlet 210.
- the sealing valve groove 310 is sleeved with a venting sealing valve 500.
- the venting sealing valve 500 is pressed above the drinking water port 210, and the water outlet 210 is placed on the water outlet 210.
- the sealing ring 550 is matched with the venting sealing valve 500.
- the venting sealing valve 500 is made of rubber material, is soft and elastic, and is harmless to the human body.
- the venting sealing valve 500 is used for vacuum sealing the water inlet 210.
- the deflation sealing valve 500 includes a valve stem 530 and an upper bonnet 510 and a lower bonnet 540 protruding from the upper and lower ends of the valve stem 530.
- An annular gasket is disposed between the upper bonnet 510 and the valve stem 530.
- the venting sealing valve 500 is built in the sealing valve groove 310, and the two ends of the sealing valve groove 310 are respectively exposed
- the upper bonnet 510 and the lower bonnet 540 are extended, and one end of the lower bonnet 540 extending from the sealing valve groove 310 is engaged with the water inlet 210, and the upper bonnet 510 is extended beyond the other end of the sealing valve groove 310 and the reverse sealing cover 400
- the height of the upper bonnet 510 is not less than the height of the lower bonnet 540, and the annular washer 520 functions to be stuck and stabilized.
- the reverse sealing cover 400 is fastened to the upper lid 300 and hinged with the upper lid 300, and the rear end of the reverse sealing cover 400 is rotatably connected to the upper lid 300.
- the inside of the reverse sealing cover 400 is provided with a cylindrical pressing ring 440.
- the cylindrical pressing ring 440 presses the deflation sealing valve 500 and seals the water inlet 210.
- the cylindrical pressure ring 440 presses the upper valve cover 510. Since the deflation sealing valve 500 is made of rubber, the pressure is transmitted downward, so that the lower valve cover 540 seals the water outlet 210.
- a front cover 420 protrudes forwardly from the front end of the reverse sealing cover 400, and a card 430 protrudes downwardly.
- the lower end of the card 430 is provided with a hook 431 inwardly, and the upper cover 300 is opened with a card 430 matched strip groove 322, when the reverse sealing cover 400 is fastened on the upper lid 300, the card 430 is inserted into the strip groove 322, and the hook 431 abuts against the inner side of the upper lid 300
- the sealing is fixed on the upper part.
- the second cover 420 is only required to be pulled out, and the card 430 is discharged from the strip groove 322, which is simple and convenient.
- the inner side of the rear end of the reverse sealing cover 400 is provided with two ear plates 410.
- the second side of the ear plate 410 has a second through hole 411.
- the rear end of the upper cover 300 is provided with the second through hole 411.
- the second rotating shaft 331 passes through the second through hole 411, and the reverse sealing cover 400 rotates around the second rotating shaft 331.
- a vacuuming device is also needed.
- the cylindrical pressing ring 440 presses the deflation sealing valve 500 to prevent the liquid in the cup from being vented and sealed.
- the valve 500 flows out.
- the reverse sealing cover 400 is rotated and opened, the cup 100 can be vacuumed by a vacuuming device, so that the cup 100 is in a completely sealed vacuum state, and the food stored therein is effectively preserved and needs to be consumed.
- the upper cover 300 can be easily opened after the deflation sealing valve 500 is gently pushed to complete the deflation function, otherwise, if the deflation sealing valve 500 is not pushed, the cup body 100 still maintains negative pressure In the empty state, the upper lid 300 is difficult to open.
- the utility model only needs to open the reverse sealing cover when the drinking is needed, and the venting sealing valve is gently pushed to realize the deflation function, the upper lid can be easily opened, the required food is obtained, the structure is simple, the operation is convenient, and the sealing performance is good.
- the utility model effectively solves the problem that the water cup is inconvenient to open after the sealing due to the large negative pressure in the cup.
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Abstract
一种真空密封水杯，包括杯体（100）和杯盖密封组件，杯盖密封组件包括下杯盖（200）、上杯盖（300）和反转密封盖（400），下杯盖（200）旋拧密封在杯体（100）的敞口端，下杯盖（200）的上表面凸出有饮水口（210）；上杯盖（300）扣合在下杯盖（200）上并与下杯盖（200）铰接，上杯盖（300）与饮水口（210）相对的位置设有放气密封阀（500），饮水口上设有与放气密封阀（500）匹配的密封圈（550）；反转密封盖（400）扣合在上杯盖（300）上并与上杯盖（300）铰接，反转密封盖（400）的内部设有圆柱形压圈（440）。当反转密封盖（400）扣合在上杯盖（300）时圆柱形压圈（440）将放气密封阀（500）过盈压住，当反转密封盖（400）旋转打开时通过抽真空装置对杯体进行抽真空处理，使其处于密封的真空状态，需要饮用时只需打开反转密封盖（400），轻轻推动放气密封阀（500）实现放气功能后即可轻松打开上杯盖，结构简单、操作方便。
Description
本实用新型涉及水杯，具体涉及真空密封水杯。
水杯是我们日常用来盛装液体的容器，分为有杯盖和无杯盖两种，有杯盖的又分为密封和不密封两种，目前密封的水杯通常是将杯盖通过螺纹连接安装在杯体的顶端，这种密封方式闭合时需要拧动杯盖，使杯盖上的外螺纹与杯体上的内螺纹相配合，若是在闭合稍微歪曲，就会导致密封不严,因此产生一种用卡扣将杯盖扣在杯体上的密封方式，但是这种密封方式容易在杯体内产生负压，当水杯内盛满水时,会在杯体与杯盖之间内产生很大的气压,拧开特别不方便,经常需要使很大劲才能打开,而且在打开的时候杯内的水特容易洒落到外面,操作特别不方便。
实用新型内容
本实用新型所要解决的技术问题是因此现有的密封水杯在密封之后由于杯内存在较大的负压不方便打开的问题。
为了解决上述技术问题，本实用新型所采用的技术方案是提供真空密封水杯，包括杯体和与所述杯体密封扣合的杯盖密封组件，其特征在于，所述杯盖密封组件包括自下而上依次设置的：
下杯盖，旋拧密封在所述杯体的敞口端，所述下杯盖的上表面的一端凸出有柱状的饮水口；
上杯盖，扣合在所述下杯盖上并与所述下杯盖铰接，所述上杯盖的前端向下凸出有第一掀盖，所述上杯盖与所述饮水口相对的位置设有放气密
封阀，所述饮水口上设有与所述放气密封阀匹配的密封圈；
反转密封盖，扣合在所述上杯盖上并与所述上杯盖铰接，所述反转密封盖的内部设有与所述放气密封阀匹配的圆柱形压圈。
在上述方案中，所述放气密封阀包括阀杆和凸出于所述阀杆上下两端的上阀盖和下阀盖，所述上阀盖与所述阀杆之间设有环形垫圈，所述上阀盖的高度不小于所述下阀盖的高度。
在上述方案中，所述上杯盖上与所述饮水口相对应的位置开有密封阀槽，所述放气密封阀套装在所述密封阀槽内，所述下阀盖伸出所述密封阀槽的一端与所述饮水口扣合，所述上阀盖伸出所述密封阀槽的另一端与所述圆柱形压圈相抵。
在上述方案中，所述下杯盖的上表面的另一端设有连接凸块，所述饮水口外侧的边缘设有卡扣凸起，所述第一掀盖上开有与所述卡扣凸起相适配的凸起槽孔。
在上述方案中，所述连接凸块上部的侧面上开有第一通孔，所述上杯盖的后端设有与所述第一通孔相适配的第一旋转轴，所述第一旋转轴穿过所述第一通孔，且所述上杯盖绕所述第一旋转轴转动。
在上述方案中，所述反转密封盖的前端向前凸出有第二掀盖，向下凸出有卡板，所述卡板的下端向内凸设有卡钩，所述上杯盖上开有与所述卡板相适配的条形槽，所述卡板插入所述条形槽内，且所述卡钩抵靠在所述上杯盖的内侧面上。
在上述方案中，所述反转密封盖后端内侧设有两个耳板，所述耳板的侧面上贯穿有第二通孔，所述上杯盖的后端设有与所述第二通孔相适配的第二旋转轴，所述第二旋转轴穿过所述第二通孔，且所述反转密封盖绕所述第二旋转轴转动。
在上述方案中，所述放气密封阀采用橡胶材质。
在上述方案中，所述下杯盖的侧面中部向外凸出有环形把手，所述环
形把手向上倾斜。
在上述方案中，所述杯体的外侧面沿圆周方向间隔设有多个弧形凹坑。
本实用新型，当反转密封盖扣合在上杯盖上时圆柱形压圈将放气密封阀过盈压住，防止杯体内的液体通过放气密封阀流出，当反转密封盖旋转打开时可以通过抽真空装置对杯体进行抽真空处理，使杯体处于完全密封的真空状态，储存在里面的食物得到有效的保存，需要饮用时打开反转密封盖，只有轻轻推动放气密封阀完成放气功能后，才能轻松打开上杯盖，取得所需要的食物，结构简单、操作方便、密封性能好，有效解决了水杯在密封之后由于杯内存在较大的负压不方便打开的问题。
图1为本实用新型的结构示意图；
图2为本实用新型掀开杯盖密封组件时的状态图；
图3为本实用新型中下杯盖与杯体的连接示意图；
图4为本实用新型中拆去上杯盖的结构示意图；
图5为本实用新型中上杯盖的结构示意图；
图6为本实用新型中反转密封盖内部结构示意图；
图7为本实用新型中放气密封阀的结构示意图。
下面结合说明书附图对本实用新型做出详细说明。
如图1所示，本实用新型提供了真空密封水杯，包括杯体100和与杯体100密封扣合的杯盖密封组件，杯盖密封组件包括自下而上依次设置的下杯盖200、上杯盖300和反转密封盖400，杯体100的外侧面沿圆周方向间隔设有多个弧形凹坑110，本实施例中，弧形凹坑110的个数为3个，弧
形凹坑110增大了手抓杯体100时的摩擦力，防止手滑。
结合图2和图3，下杯盖200旋拧密封在杯体100的敞口端，并与杯体100之间形成密封的容纳腔，容纳腔内容纳水或者其他物品，下杯盖200的上表面的一端凸出有柱状的饮水口210，饮水口210与容纳腔贯通，另一端设有连接凸块220，连接凸块220上部的侧面上开有第一通孔221，饮水口210外侧的边缘设有卡扣凸起240。下杯盖200的侧面中部向外凸出有环形把手230，环形把手230向上倾斜，如果杯体100内盛放有很热的水或者食物，手抓住环形把手230可防止烫伤，方便可靠。
结合图2和图5，上杯盖300扣合在下杯盖200上并与下杯盖200铰接，上杯盖300的后端与连接凸块220转动连接，其中，上杯盖300的后端设有与第一通孔221相适配的第一旋转轴330，第一旋转轴330穿过第一通孔221，上杯盖300可以绕第一旋转轴330转动，因此上杯盖300可以随意的掀开或者扣合在下杯盖200上。
上杯盖300的前端向下凸出有第一掀盖320，第一掀盖320上开有与卡扣凸起240相适配的凸起槽孔321，当上杯盖300扣合在下杯盖200上时，卡扣凸起240插入凸起槽孔321内，起到固定的作用，当需要打开上杯盖300时，只需往外掀一下第一掀盖320，卡扣凸起240便会从凸起槽孔321内出来，简单方便。
上杯盖300与饮水口210相对应的位置开有密封阀槽310，密封阀槽310内套设有放气密封阀500，放气密封阀500扣压在饮水口210的上方，饮水口210上设有与放气密封阀500匹配的密封圈550，放气密封阀500采用橡胶材质，柔软有弹性，且对人体无害，放气密封阀500用于实现对饮水口210真空密封。
结合图2和图7，放气密封阀500包括阀杆530和凸出于阀杆530上下两端的上阀盖510和下阀盖540，上阀盖510与阀杆530之间设有环形垫圈520，放气密封阀500内置于密封阀槽310内，密封阀槽310的两端分别露
出上阀盖510和下阀盖540，下阀盖540伸出密封阀槽310的一端与饮水口210扣合，上阀盖510伸出密封阀槽310的另一端与与反转密封盖400扣合，上阀盖510的高度不小于下阀盖540的高度，环形垫圈520起到卡住和稳固的作用。
结合图2、图4、图5和图6，反转密封盖400扣合在上杯盖300上并与上杯盖300铰接，反转密封盖400的后端与上杯盖300转动连接，反转密封盖400的内部设有圆柱形压圈440，当反转密封盖400扣合在上杯盖300上时，圆柱形压圈440挤压放气密封阀500并将饮水口210密封，具体地，圆柱形压圈440挤压上阀盖510，由于放气密封阀500为橡胶材质，压力向下传递，使下阀盖540将饮水口210封死。
反转密封盖400的前端向前凸出有第二掀盖420，向下凸出有卡板430，卡板430的下端向内设有卡钩431，上杯盖300上开有与卡板430相适配的条形槽322，当反转密封盖400扣合在上杯盖300上时，卡板430插入条形槽322内，且卡钩431抵靠在上杯盖300的内侧面上实现密封固定，当需要打开时，只需往外掀一下第二掀盖420，卡板430便会从条形槽322内出来，简单方便。反转密封盖400的后端内侧设有两个耳板410，耳板410的侧面上贯穿有第二通孔411，上杯盖300的后端设有与第二通孔411相适配的第二旋转轴331，第二旋转轴331穿过第二通孔411，且反转密封盖400绕第二旋转轴331转动。
本实用新型，还需要抽真空装置，当反转密封盖400扣合在上杯盖300上时圆柱形压圈440将放气密封阀500过盈压住，防止杯体内的液体通过放气密封阀500流出，当反转密封盖400旋转打开时可以通过抽真空装置对杯体100进行抽真空处理，使杯体100处于完全密封的真空状态，储存在里面的食物得到有效的保存，需要饮用时打开反转密封盖400，只有轻轻推动放气密封阀500完成放气功能后，才能轻松打开上杯盖300，取得所需要的食物，否则，如果没有推动放气密封阀500，杯体100内还保持负压真
空状态，上杯盖300是很难打开的。
本实用新型，当需要饮用时只需打开反转密封盖，轻轻推动放气密封阀实现放气功能后即可轻松打开上杯盖，取得需要的食物，结构简单、操作方便，密封性能好，有效解决了水杯在密封之后由于杯内存在较大的负压不方便打开的问题。
本实用新型不局限于上述最佳实施方式，任何人应该得知在本实用新型的启示下作出的结构变化，凡是与本实用新型具有相同或相近的技术方案，均落入本实用新型的保护范围之内。
Claims (10)
- 真空密封水杯，包括杯体和与所述杯体密封扣合的杯盖密封组件，其特征在于，所述杯盖密封组件包括自下而上依次设置的：下杯盖，旋拧密封在所述杯体的敞口端，所述下杯盖的上表面的一端凸出有柱状的饮水口；上杯盖，扣合在所述下杯盖上并与所述下杯盖铰接，所述上杯盖的前端向下凸出有第一掀盖，所述上杯盖与所述饮水口相对的位置设有放气密封阀，所述饮水口上设有与所述放气密封阀匹配的密封圈；反转密封盖，扣合在所述上杯盖上并与所述上杯盖铰接，所述反转密封盖的内部设有与所述放气密封阀匹配的圆柱形压圈。
- 如权利要求1所述的真空密封水杯，其特征在于，所述放气密封阀包括阀杆和凸出于所述阀杆上下两端的上阀盖和下阀盖，所述上阀盖与所述阀杆之间设有环形垫圈，所述上阀盖的高度不小于所述下阀盖的高度。
- 如权利要求2所述的真空密封水杯，其特征在于，所述上杯盖上设有与所述饮水口相对应的位置开有密封阀槽，所述放气密封阀套装在所述密封阀槽内，所述下阀盖伸出所述密封阀槽的一端与所述饮水口扣合，所述上阀盖伸出所述密封阀槽的另一端与所述圆柱形压圈相抵。
- 如权利要求1所述的真空密封水杯，其特征在于，所述下杯盖的上表面的另一端设有连接凸块，所述饮水口外侧的边缘设有卡扣凸起，所述第一掀盖上开有与所述卡扣凸起相适配的凸起槽孔。
- 如权利要求4所述的真空密封水杯，其特征在于，所述连接凸块上部的侧面上开有第一通孔，所述上杯盖的后端设有与所述第一通孔相适配的第一旋转轴，所述第一旋转轴穿过所述第一通孔，且所述上杯盖绕所述第一旋转轴转动。
- 如权利要求1所述的真空密封水杯，其特征在于，所述反转密封盖的前端向前凸出有第二掀盖，向下凸出有卡板，所述卡板的下端向内凸设 有卡钩，所述上杯盖上开有与所述卡板相适配的条形槽，所述卡板插入所述条形槽内，且所述卡钩抵靠在所述上杯盖的内侧面上。
- 如权利要求1所述的真空密封水杯，其特征在于，所述反转密封盖后端内侧设有两个耳板，所述耳板的侧面上贯穿有第二通孔，所述上杯盖的后端设有与所述第二通孔相适配的第二旋转轴，所述第二旋转轴穿过所述第二通孔，且所述反转密封盖绕所述第二旋转轴转动。
- 如权利要求1所述的真空密封水杯，其特征在于，所述放气密封阀采用橡胶材质。
- 如权利要求1所述的真空密封水杯，其特征在于，所述下杯盖的侧面中部向外凸出有环形把手，所述环形把手向上倾斜。
- 如权利要求1所述的真空密封水杯，其特征在于，所述杯体的外侧面沿圆周方向间隔设有多个弧形凹坑。
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