Water cup capable of adjusting internal air pressure

Abstract

The utility model is suitable for the technical field of daily necessities, and provides a water cup capable of adjusting internal air pressure. A cup body; the cup cover is movably mounted at the top of the cup body; the first movable groove is formed in the middle of the lower end of the cup cover; the expansion structure is movably mounted at the lower end of the first movable groove; the air supplementing structure is arranged in the middle of the cup cover in a circumferential array mode and connected with the expansion structure. Compared with the prior art, the vacuum cup has the advantages that when the vacuum cup is used, the expansion structure is arranged in the middle of the cup cover so that the vacuum cup can expand along with generation of negative pressure, and the air supplementing structure is arranged so that when the vacuum cup expands to a limit distance, the air supplementing structure can supplement air in the cup body; and the air pressure of the cup body is recovered, so that subsequent opening and screwing closing are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to daily necessities technical field, especially relate to a water cup that can adjust internal air pressure. BACKGROUND

[0002] Water cup is daily used life article, is a kind of container for drinking water and store water and other liquids.

[0003] And the water cup in prior art, to reduce the loss of internal heat, so when cup cover is screwed, to make heat loss rate weaken, to play the role of heat preservation, but, after using for a period of time, still inevitably lead to heat loss, lead to the water cup inside due to the change of temperature difference, formed negative pressure state, to cup cover generates suction force, make it not easy to open, therefore, in life, part water cup will be connected with the air in cup body and the air in outside, to weaken the negative pressure generated by it, although, this way plays the role of good pressure balance, but due to the continuous communication with the outside, lead to the sealing property of water cup is destroyed, is not conducive to the heat preservation function of water cup.

[0004] Therefore, how to provide a kind of water cup that can adjust internal air pressure is the problem that the person skilled in the art needs to solve urgently. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of water cup that can adjust internal air pressure, to solve the problem mentioned in the background art.

[0006] The utility model is realized as follows, a kind of water cup that can adjust internal air pressure, including;

[0007] Cup body;

[0008] Cup cover, the cup cover is movably installed at the top of cup body;

[0009] First movable slot, the first movable slot is opened in the middle part of the lower end of cup cover;

[0010] Expansion structure, the expansion structure is movably installed at the lower end of first movable slot;

[0011] Air supplement structure, the air supplement structure is circumferentially arrayed in the middle part of cup cover, and is connected with expansion structure;

[0012] Exhaust pipe, the exhaust pipe is circumferentially arrayed in the middle part of the lower end of cup cover, and is communicated with first movable slot and cup body respectively;

[0013] Sealing structure, the sealing structure is arranged in the middle part of expansion structure, and is connected with the bottom of air supplement structure.

[0014] Preferably, the sealing structure comprises connecting rods and a sealing ring plate, the connecting rods are arranged in a circumferential array at the movable end of the expansion structure, and the sealing ring plate is fixedly arranged at the outer end of the connecting rods and abuts against the inner wall of the first movable groove.

[0015] Preferably, the expansion structure comprises an elastic film and a lifting rod, the elastic film is fixedly arranged at the bottom of the first movable groove, the lifting rod is fixedly arranged at the middle of the first movable groove, and the bottom is fixedly connected with the top of the elastic film, and the sealing structure is fixedly arranged on the surface of the movable end of the lifting rod.

[0016] Preferably, the air supplementing structure comprises a gas conveying pipe and a movable gas conveying cylinder, the gas conveying pipe is arranged in a circumferential array at the top end of the cup cover, a filter tip is arranged at the outer end of the gas conveying pipe, a second movable groove is arranged in a circumferential array at the middle of the cup cover and communicates with the gas conveying pipe and the first movable groove, and the movable gas conveying cylinder is movably inserted into the second movable groove and is fixedly connected with the top of the sealing structure.

[0017] Preferably, an upper air inlet is arranged at the outer side of the upper end of the movable gas conveying cylinder, a lower air inlet is arranged at the outer side of the lower end of the movable gas conveying cylinder, and filter blocks are arranged in the movable gas conveying cylinder in a symmetrical manner.

[0018] Preferably, the height of the movable gas conveying cylinder is greater than the height of the second movable groove, and the diameter of the movable gas conveying cylinder is the same as the inner diameter of the second movable groove.

[0019] Preferably, the thickness of the sealing ring plate is greater than the thickness of the top end of the exhaust pipe, and the diameter of the sealing ring plate is the same as the inner diameter of the first movable groove.

[0020] Compared with the prior art, the utility model has the advantages that: when in use, the expansion structure is arranged at the middle of the cup cover, so that the expansion structure can expand along with the generation of negative pressure, and the air supplementing structure is arranged, so that when the expansion structure expands to the limit distance, the air supplementing structure can supplement the air in the cup body, so that the air pressure in the cup body can be restored, thereby facilitating the subsequent opening and closing.

[0021] Meanwhile, the sealing structure is arranged on the expansion structure, so that when the expansion structure expands, the sealing structure descends, the top end of the exhaust pipe is exposed, and the air supplementing structure can supplement the air, and when the expansion structure contracts, the top end of the exhaust pipe is blocked, so that when the cup body tilts, the water cannot enter the first movable groove through the exhaust pipe, and the expansion effect is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0023] Figure 1 A whole appearance structure schematic view of the water cup capable of adjusting internal air pressure is provided for the embodiment of the present application;

[0024] Figure 2 A main view cross-section structure schematic view of the water cup capable of adjusting internal air pressure is provided for the embodiment of the present application;

[0025] Figure 3 A cup cover main view cross-section structure schematic view of the water cup capable of adjusting internal air pressure is provided for the embodiment of the present application;

[0026] Figure 4 A cup cover bottom view structure schematic view of the water cup capable of adjusting internal air pressure is provided for the embodiment of the present application;

[0027] Figure 5 A cup cover bottom view cross-section structure schematic view of the water cup capable of adjusting internal air pressure is provided for the embodiment of the present application;

[0028] Figure 6 A part A enlarged structure schematic view of the water cup capable of adjusting internal air pressure is provided for the embodiment of the present application. Figure 3

[0029] In the drawings: 1-cup body, 2-cup cover, 3-first movable groove, 4-elastic film, 5-lifting rod, 6-connecting rod, 7-movable air cylinder, 8-filter block, 9-upper air port, 10-second movable groove, 11-exhaust pipe, 12-air conveying pipe, 13-filter tip, 14-lower air port, 15-sealing ring plate. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and do not limit the present application.

[0031] The specific implementation of the present application is described in detail below in combination with specific embodiments.

[0032] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , a structure schematic view of the water cup capable of adjusting internal air pressure is provided for one embodiment of the present application, comprising;​

[0033] the cup body 1;

[0034] the cup cover 2, the cup cover 2 is movably installed on the top of the cup body 1;

[0035] the first movable slot 3, the first movable slot 3 is arranged in the middle of the lower end of the cup cover 2;

[0036] the expansion structure, the expansion structure is movably installed at the lower end of the first movable slot 3;

[0037] the air supplement structure, the air supplement structure is arranged in the middle of the cup cover 2 in a circular array and is connected with the expansion structure;

[0038] the exhaust pipe 11, the exhaust pipe 11 is arranged in the middle of the lower end of the cup cover 2 in a circular array and is communicated with the first movable slot 3 and the cup body 1 respectively;

[0039] the sealing structure, the sealing structure is arranged in the middle of the expansion structure and is connected with the bottom of the air supplement structure.

[0040] In the embodiment of the utility model, when using, the cup cover 2 is screwed on the cup body 1, then due to the loss of hot water heat, negative pressure is generated, so that the expansion structure expands, and then drives the air supplement structure to descend and communicate with the first movable slot 3, and drives the sealing structure to descend, so that the exhaust pipe 11 is exposed, so that when the air supplement structure descends and communicates with the first movable slot 3, the air in the cup body 1 is supplemented;

[0041] By arranging the expansion structure in the middle of the cup cover 2, the expansion structure can expand with the generation of negative pressure, and by arranging the air supplement structure, when the expansion structure expands to the limit distance, the air supplement structure can supplement the air in the cup body 1, so that the air pressure of the cup body 1 can be restored, thereby facilitating the subsequent opening and closing.

[0042] As shown in Figure 2 , Figure 3 , Figure 5 and Figure 6 , as a preferred embodiment of the utility model, the sealing structure comprises a connecting rod 6 and a sealing ring plate 15, the connecting rod 6 is arranged in a circular array at the movable end of the expansion structure, and the sealing ring plate 15 is fixedly installed at the outer end of the connecting rod 6 and is arranged in close contact with the inner wall of the first movable slot 3.

[0043] In the embodiment of the utility model, when the lifting rod 5 moves, the connecting rod 6 moves, and then the outer sealing ring plate 15 moves, so that the exhaust pipe 11 is exposed, thereby facilitating the work of the air supplement structure;

[0044] By setting the sealing structure on the expansion structure, when the expansion structure expands, the sealing structure is lowered, the top end of the exhaust pipe 11 is exposed, and air supplementing of the air supplementing structure is facilitated, and when the expansion structure contracts, the top end of the exhaust pipe 11 is blocked, so that when the cup body 1 is tilted, water is prevented from entering the first movable groove 3 through the exhaust pipe 11, and the expansion effect is affected.

[0045] As shown in Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , as a preferred embodiment of the utility model, the expansion structure includes an elastic film 4 and a lifting rod 5, the elastic film 4 is fixedly installed at the bottom of the first movable groove 3, the lifting rod 5 is fixedly installed at the middle of the first movable groove 3, and the bottom is fixedly connected with the top of the elastic film 4, and the sealing structure is fixedly installed on the surface of the movable end of the lifting rod 5.

[0046] In the embodiment of the utility model, when negative pressure is generated in the cup body 1, the elastic film 4 at the bottom of the first movable groove 3 in the middle of the cup cover 2 is expanded downward under the influence of the negative pressure;

[0047] By setting the expansion structure, the sealing structure can be driven to move along with the change of air pressure, so that the working state is changed along with the change of air pressure.

[0048] As shown in Figure 2 , Figure 3 , Figure 5 and Figure 6 , as a preferred embodiment of the utility model, the air supplementing structure includes a gas conveying pipe 12 and a movable gas conveying cylinder 7, the gas conveying pipe 12 is circumferentially arranged at the top end of the cup cover 2, and a filter tip 13 is fixedly arranged at the outer end, the second movable groove 10 is circumferentially arranged in the middle of the cup cover 2 and is in communication with the gas conveying pipe 12 and the first movable groove 3, and the movable gas conveying cylinder 7 is movably inserted into the second movable groove 10 and is fixedly connected with the top of the sealing structure.

[0049] In the embodiment of the utility model, when the connecting rod 6 is lowered, the movable gas conveying cylinder 7 is also lowered, and when the movable gas conveying cylinder 7 is in communication with the first movable groove 3, the air in the movable gas conveying cylinder 7 is sucked into the cup body 1 due to the existence of negative pressure;

[0050] By setting the air supplementing structure, when a large negative pressure is generated in the cup body 1, the air pressure in the cup body 1 can be supplemented, and the air pressure is corrected.

[0051] As shown in Figure 2 , Figure 3 andFigure 6 As shown, as a preferred embodiment of the present invention, an upper air port 9 is provided on the outer side of the upper end of the movable air cylinder 7, a lower air port 14 is provided on the outer side of the lower end of the movable air cylinder 7, and a filter block 8 is symmetrically installed in the upper and lower parts of the movable air cylinder 7.

[0052] In the embodiment of the utility model, when in use, an upper air port 9 is opened on the outer side of the upper end of the movable air cylinder 7, and a lower air port 14 is opened on the outer side of the lower end of the movable air cylinder 7, so as to facilitate the exchange of air under different conditions. At the same time, filter blocks 8 are symmetrically installed in the upper and lower parts of the movable air cylinder 7 to prevent impurities in the outside air from directly entering and causing water pollution.

[0053] like Figure 2 、 Figure 3 and Figure 6 As shown, as a preferred embodiment of the present invention, the height of the movable air cylinder 7 is greater than the height of the second movable groove 10 , and the diameter of the movable air cylinder 7 is the same as the inner diameter of the second movable groove 10 .

[0054] In the embodiment of the utility model, when in use, by making the height value of the movable air cylinder 7 greater than the height value of the second movable groove 10, one end will always be blocked when moving up and down, thereby avoiding direct contact between the internal and external air, which affects the sealing effect. At the same time, the diameter value of the movable air cylinder 7 is made the same as the inner diameter value of the second movable groove 10, thereby facilitating up and down movements.

[0055] like Figure 2 、 Figure 3 、 Figure 5 and Figure 6 As shown, as a preferred embodiment of the present invention, the thickness of the sealing ring plate 15 is greater than the thickness of the top end of the exhaust pipe 11 , and the diameter of the sealing ring plate 15 is the same as the inner diameter of the first movable groove 3 .

[0056] In an embodiment of the utility model, when in use, by making the thickness of the sealing ring plate 15 greater than the thickness of the top end of the exhaust pipe 11 and making the diameter of the sealing ring plate 15 the same as the inner diameter of the first movable groove 3, the circulation of air is facilitated, the air pressure is adjusted, and sealing is facilitated to prevent water from entering the first movable groove 3.

[0057] The above embodiment of the utility model provides a water cup capable of regulating internal air pressure. When negative pressure is generated inside the cup body 1, the elastic film 4 at the bottom of the first movable groove 3 in the middle of the cup cover 2 expands downward under the influence of the negative pressure.

[0058] When the expansion occurs, the lifting rod 5 is pressed by the tension force and moves downward, and then the lifting rod 5 drives the movable air cylinder 7 in the second movable slot 10 to move downward through the bottom connecting rod 6, so that the upper air inlet 9 at the upper end of the movable air cylinder 7 is blocked, and the lower air outlet 14 at the lower end enters the first movable slot 3, so that the movable air cylinder 7 is communicated with the first movable slot 3;

[0059] When the connecting rod 6 moves downward, the sealing ring plate 15 at the edge of the connecting rod 6 moves downward, so that the exhaust pipe 11 is exposed, and then when the movable air cylinder 7 is communicated with the first movable slot 3, the air in the movable air cylinder 7 is sucked into the cup body 1 due to the existence of the negative pressure, so that the air pressure in the cup body 1 is supplemented, and then the elastic film 4 is restored;

[0060] When the elastic film 4 is restored, the lifting rod 5 is contracted, and then the movable air cylinder 7 is driven to move upward through the connecting rod 6, so that the lower air outlet 14 at the lower end of the movable air cylinder 7 is blocked, and the upper air inlet 9 enters the air cylinder 12, and the air filtered through the filter tip 13 is sucked into the movable air cylinder 7, waiting for the next air supplement.

[0061] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A water cup capable of adjusting internal air pressure, characterized in that, The utility model relates to a cup, which comprises a cup body (1), a cup cover (2) movably mounted on the top of the cup body (1), a first movable slot (3) formed in the middle of the lower end of the cup cover (2), an expansion structure movably mounted on the lower end of the first movable slot (3), an air supplementing structure arranged in the middle of the cup cover (2) and connected with the expansion structure, an exhaust pipe (11) circumferentially arranged in the middle of the lower end of the cup cover (2) and respectively communicated with the first movable slot (3) and the cup body (1), and a sealing structure arranged in the middle of the expansion structure and connected with the bottom of the air supplementing structure. The sealing structure comprises connecting rods (6) circumferentially arranged on the movable end of the expansion structure and sealing ring plates (15) fixedly mounted on the outer end of the connecting rods (6) and arranged in close contact with the inner wall of the first movable slot (3). The expansion structure comprises elastic films (4) fixedly mounted on the bottom of the first movable slot (3) and lifting rods (5) fixedly mounted on the middle of the first movable slot (3) and fixedly connected with the top of the elastic films (4) at the bottom. The air supplementing structure comprises air conveying pipes (12) circumferentially arranged on the top end of the cup cover (2) and fixedly provided with filter tips (13) at the outer end, second movable slots (10) circumferentially arranged in the middle of the cup cover (2) and communicated with the air conveying pipes (12) and the first movable slot (3), and movable air conveying cylinders (7) movably inserted into the second movable slots (10) and fixedly connected with the top of the sealing structure. The outer side of the upper end of the movable air conveying cylinder (7) is provided with an upper air inlet (9), the outer side of the lower end of the movable air conveying cylinder (7) is provided with a lower air inlet (14), and the inside of the movable air conveying cylinder (7) is symmetrically provided with filter blocks (8) from top to bottom. The height of the movable air conveying cylinder (7) is greater than the height of the second movable slot (10), and the diameter of the movable air conveying cylinder (7) is the same as the inner diameter of the second movable slot (10). The thickness of the sealing ring plate (15) is greater than the thickness of the top end of the exhaust pipe (11), and the diameter of the sealing ring plate (15) is the same as the inner diameter of the first movable slot (3). ​ 2. The water cup capable of adjusting internal air pressure according to claim 1, wherein, ​ 3. The water cup capable of adjusting internal air pressure according to claim 1, wherein, ​ 4. The water cup capable of adjusting internal air pressure according to claim 1, wherein, ​ 5. The water cup capable of adjusting internal air pressure according to claim 4, wherein, ​ 6. The water cup capable of adjusting internal air pressure according to claim 4, wherein, ​ 7. The water cup capable of adjusting internal air pressure according to claim 2, wherein, ​

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