TWI674993B - Drinking water bottle leakproof structure - Google Patents

Abstract

A leak-proof structure for a drinking bottle includes: a bottle mouth plate and a suction nozzle; the bottle mouth plate has a chassis, an inner ring wall, an outer ring wall and a guide pipe; the chassis has holes; the inner ring wall is surrounded on the top of the chassis and forms a cavity; The hole communicates with the chamber. The outer ring wall is located on the top of the chassis and surrounds the periphery of the inner ring wall. A groove is formed between the outer ring wall and the inner ring wall. The guide tube is located at the bottom of the chassis and communicates with the hole. The mouth has a straw and a sealing part. The straw extends into the chamber and has a blocking part and a channel. The blocking part is arranged in the channel and a first gap is opened. The sealing part is arranged around the periphery of the straw and the sealing part is arranged on the bottle mouth plate and sealed. Cover the openings of the chamber and the groove; by using a suction nozzle to seal the mouth of the bottle, so that the chamber and the groove are in a sealed state, the liquid cannot enter the chamber and the groove and flow out, thereby achieving the function of preventing leakage .

Description

Leak-proof structure of drinking water bottle

The invention relates to a leak-proof structure of a drinking bottle, and in particular to a leak-proof structure of a drinking bottle which can prevent liquid from leaking out when the drinking bottle is dumped.

Drinking bottles are drinking containers that people use every day and carry out. When you are thirsty, you can dump the drinking bottle to make the liquid in the drinking bottle flow out and drink.

The conventional drinking bottle mainly includes a bottle body and a bottle cap. The bottle mouth of the bottle body is provided with a thread. The screw cap of the bottle cap is on the bottle mouth of the bottle body. The bottle cap is screwed to prevent the water bottle from leaking. When you need to drink water, you can drink through the mouth of the bottle by unscrewing the bottle cap and pouring the bottle.

In order to facilitate the user to drink the beverage in the bottle, there is a structure further provided with a straw on the bottle cap on the market to drink the beverage in the bottle by sucking. However, due to the addition of a straw, in order to avoid the leakage of the liquid in the drinking bottle when the drinking bottle is poured, a cap is generally added to the bottle cap.

However, when a drinking water bottle is accidentally knocked over or tipped over, the water in the bottle often still flows from between the bottle body and the bottle cap, or through the opening of the straw, causing a leak, resulting in wet clothes. Or desktop, severe cases may cause damage to electrical appliances such as mobile phones, and there is a need for improvement in the absence of said.

The main object of the present invention is to provide a leak-proof structure for drinking water bottles, which can prevent liquid from flowing out of the poured drinking water bottles.

In order to achieve the foregoing object, the present invention provides a leak-proof structure for a drinking bottle, which is arranged on a bottle mouth of a bottle body, and includes a bottle mouth plate and a suction nozzle.

The bottle mouth plate has a base plate, an inner ring wall, an outer ring wall, and a guide tube. The base plate defines a hole. The inner ring wall is arranged on the top of the base plate and forms a cavity. The hole communicates with the cavity. The wall is arranged on the top of the chassis and surrounds the periphery of the inner ring wall. A groove is formed between the outer ring wall and the inner ring wall. A guide tube is arranged on the bottom of the chassis and communicates with the hole.

The suction nozzle has a straw and a sealing portion. The straw extends into the chamber and has a blocking portion and a channel. The blocking portion is arranged in the channel and at least a first gap is opened. The sealing portion is arranged around the periphery of the straw. The sealing portion It is arranged on the bottle mouth plate and is closed on the opening of the cavity and the opening of the groove.

In a preferred embodiment of the present invention, the chassis has a tapered surface recessed downward, and a hole is formed in the center of the tapered surface.

In a preferred embodiment of the present invention, the chassis is provided with a vent hole, which communicates with the groove. The suction nozzle further includes a venting portion, the venting portion is disposed at the sealing portion, is located above the trench, and has a second gap.

In a preferred embodiment of the present invention, the blocking portion has two first slits, which may be cross-shaped or V-shaped.

In a preferred embodiment of the present invention, the straw has a first end and a second end, and the blocking portion is disposed at the first end of the straw or the second end of the straw.

In a preferred embodiment of the present invention, the leak-proof structure of the drinking bottle further includes a coupling ring, and the sealing portion of the suction nozzle further includes a recessed portion. The coupling ring group is connected to the recessed portion, and the coupling ring is screwed to the bottle mouth, thereby The suction nozzle and the bottle mouth tray are fixed on the bottle mouth.

The leak-proof structure of the drinking bottle further includes a cup lid. The cup edge of the cup lid is wavy. The outer edge of the coupling ring has an engaging portion. The shape of the engaging portion of the coupling ring corresponds to the shape of the cup edge. When the cup lid is set on the coupling ring, the cup edge of the cup lid is engaged with the engaging portion of the coupling ring.

In a preferred embodiment of the present invention, the leak-proof structure of the drinking bottle further includes a hose connected to the guide tube, wherein the length of the hose is greater than the length of the bottle body.

In a preferred embodiment of the present invention, the leak-proof structure of the drinking water bottle further includes a ring gasket, which is arranged between the bottle mouth plate and the bottle mouth of the bottle body.

In a preferred embodiment of the present invention, the leak-proof structure of the drinking bottle further includes a handle with a set of rings and at least one handle portion, the sleeve ring is sleeved coaxially on the bottle body, and the handle portion is arranged around the sleeve ring.

The effect of the present invention is that the cavity and the groove on the bottle mouth plate are sealed by the suction nozzle, so when the liquid flows into the cavity of the bottle mouth plate, the liquid will be blocked by the inner ring wall and the sealing portion. It will flow into the groove; and through the vent hole with a small aperture, the liquid will not penetrate into the groove due to surface tension, and if it enters, it will only be a small amount of liquid. Among them, even if the liquid penetrates into the groove, It will not leak from the nozzle and the bottle mouth plate because the blocking part is installed in the opening of the groove; Furthermore, the blocking part inside the straw can further prevent the liquid remaining in the straw from leaking out to prevent leakage. Features.

Furthermore, the annular gasket provided between the bottle mouth plate and the bottle mouth of the bottle body can prevent liquid from flowing out between the bottle body and the bottle mouth plate, and can be helpful when the bottle mouth plate needs to be disassembled. The user quickly disassembles the bottle tray.

In addition, through the longer hose, the end of the hose can be bent to the bottom of the bottle. When the bottle body containing the liquid is poured or inverted, the end of the hose is higher than the water level of the liquid, so the liquid in the bottle cannot enter the hose, and the function of preventing backflow is achieved.

10‧‧‧ bottle mouth plate

11‧‧‧ Chassis

111‧‧‧ Hole

12‧‧‧ inner ring wall

13‧‧‧ outer ring wall

14‧‧‧ guide tube

15‧‧‧ chamber

16‧‧‧ Trench

17‧‧‧ Vent

50‧‧‧Nozzle

51‧‧‧ straw

511‧‧‧ the first end

512‧‧‧ second end

52‧‧‧ Block

521‧‧‧The first gap

53‧‧‧channel

55‧‧‧Sealing Department

551‧‧‧Ventilation Department

552‧‧‧Second Gap

56‧‧‧Combination ring

561‧‧‧Depression

70‧‧‧ cup lid

71‧‧‧ Engagement Department

80‧‧‧ bottle body

81‧‧‧ bottle mouth

90‧‧‧hose

91‧‧‧Ring gasket

92‧‧‧Handlebar

921‧‧‧ Collar

922‧‧‧Handle

1 is a perspective assembled view of a leak-proof structure of a drinking bottle according to a first embodiment of the present invention; FIG. 2 is an exploded perspective view of a leak-proof structure of a drinking bottle according to a first embodiment of the present invention; A perspective view of the bottle mouth plate of the leak-proof structure of the drinking bottle; FIG. 4 is a side sectional view of the suction nozzle of the leak-proof structure of the drinking bottle according to the first embodiment of the present invention; Top view of the suction nozzle; FIG. 6 is a side sectional view of the leak-proof structure of the drinking bottle according to the first embodiment of the present invention; FIG. 7 is a schematic diagram of the leak-proof structure of the drinking bottle according to the first embodiment of the present invention; Side sectional view of the suction nozzle of the leak-proof structure of the drinking bottle in the second embodiment; FIG. 9 is an exploded perspective view of the leak-proof structure of the drinking bottle in the third embodiment of the present invention; and FIG. 10 is the leak-proof drinking bottle in the fourth embodiment of the present invention A perspective assembled view of the structure; and FIG. 11 is an exploded perspective view of a leak-proof structure of a drinking bottle according to a fourth embodiment of the present invention.

The following describes the embodiments of the present invention in more detail with reference to the drawings and element symbols, so that those skilled in the art can implement them after studying this specification.

1 and 2 are respectively a perspective assembled view and a perspective exploded view of a leak-proof structure of a drinking bottle according to the first embodiment of the present invention. As shown in FIGS. 1 and 2, the present invention provides a leak-proof structure for a drinking bottle, which is arranged on a bottle opening 81 of a bottle body 80 and includes: a bottle mouth plate 10 and a suction nozzle 50; the following is performed for each part Detailed explanation.

FIG. 3 is a perspective view of a bottle mouth plate 10 of a leak-proof structure of a drinking bottle according to the first embodiment of the present invention. As shown in FIG. 3, the bottle mouth pan 10 has a chassis 11, an inner ring wall 12, an outer ring wall 13, and a guide pipe 14; the chassis 11 defines a hole 111, and the inner ring wall 12 is disposed around the chassis 11. A cavity 15 is formed at the top, and a hole 111 communicates with the cavity 15. The outer ring wall 13 is disposed on the top of the chassis 11 and surrounds the periphery of the inner ring wall 12, so that the outer ring wall 13 and the inner ring wall 12 form a The groove 16 and the guide pipe 14 are disposed at the bottom of the chassis 11 and communicate with the holes 111.

In the first embodiment of the present invention, the portion of the chassis 11 corresponding to the cavity 15 has a downwardly recessed cone surface, and the hole 111 is opened in the center of the cone surface: the downwardly recessed cone surface can make the liquid in the cavity 15 Concentrating to the center of the cone surface, the liquid flows down from the hole 111.

4 and 5 are a side sectional view and a top view of the suction nozzle 50 of the leak-proof structure of the drinking bottle according to the first embodiment of the present invention, respectively. As shown in FIGS. 4 and 5, the suction nozzle 50 has a suction tube 51 and a sealing portion 55; the suction tube 51 has a first end 511 and a second end 512, and the second end 512 of the suction tube 51 extends into the chamber 15. The straw 51 further includes a blocking portion 52 and a channel 53. The blocking portion 52 is disposed in the channel 53 of the first end 511 of the straw 51 and defines two first gaps 521. The sealing portion 55 surrounds the periphery of the straw 51 and seals. The portion 55 is provided on the bottle mouth tray 10 and is closed to the opening of the cavity 15 and the opening of the groove 16.

In the first embodiment of the present invention, a portion of the chassis 11 corresponding to the groove 16 is further provided with a vent hole 17 which communicates with the groove 16; preferably, the suction nozzle 50 further includes a ventilation portion 551, and the ventilation portion 551 is provided. The sealing portion 55 is located above the trench 16 and has a second slot 552.

It is worth mentioning that the suction nozzle 50 of the present invention is made of elastic material, such as silicon rubber, latex, and the like. With the structure of the suction nozzle 50 made of elastic material, the two first slits 521 and the second slits 552 are in a closed state when they are not squeezed or pressed. Specifically, when the user sucks the liquid in the bottle body 80, the suction nozzle 50 of the soft material will be squeezed by the suction force, and the two first gaps 521 on the blocking portion 52 will be deformed, so that the liquid can be removed therefrom. Two first slits 521 pass; the second slit 552 is also squeezed and deformed by suction, and external air can enter the groove 16 and the bottle body 80 through the second slit 552, so that the air in the bottle body 80 flows, so that the user It is easier to suck and drink the liquid in the bottle body 80; when the suction nozzle 50 is not squeezed by the suction, the two first gaps 521 and 552 will remain closed, and the liquid and gas cannot pass through the two first The slit 521 and the second slit 552 pass through, and the liquid in the channel 53 of the straw 51 can be blocked by the blocking portion 52 to achieve the function of preventing leakage and sealing.

In the first embodiment of the present invention, when viewed from the side, the portion of the chassis 11 corresponding to the groove 16 is lower than the portion of the chassis 11 corresponding to the cavity 15. Specifically, the depth of the groove 16 is greater than the depth of the cavity 15 so that when the user sucks the liquid from the bottle body, there is more ventilation space.

Preferably, the two first slits 521 of the blocking portion 52 in the first embodiment of the present invention are cross-shaped, however, the two first slits 521 of the blocking portion 52 may also be V-shaped.

6 is a side sectional view of a leak-proof structure of a drinking bottle according to the first embodiment of the present invention. As shown in FIG. 6, in the first embodiment of the present invention, the leak-proof structure of the drinking bottle further includes a coupling ring 56 and a hose 90, and the sealing portion 55 of the suction nozzle 50 further includes a recessed portion 561. It is connected to the depression 561 and is screwed to the bottle mouth 81 by a coupling ring 56 so that the suction nozzle 50 and the bottle mouth tray 10 are fixed on the bottle mouth 81; the hose 90 is connected to the guide tube 14 and is arranged on the bottle body 80 Inside the bottle body 80, the length of the hose 90 is greater than the length of the bottle body 80.

When the user sucks the suction tube 51 of the suction nozzle 50, the liquid in the bottle body 80 flows into the chamber 15 of the bottle mouth tray 10 through the hose 90 due to the suction force, and then passes through the suction tube 51 extending in the chamber 15. 512 at both ends Into the channel 53 in the straw 51. The suction nozzle 50 is squeezed by the suction force, the two first slits 521 of the blocking portion 52 are deformed, and the liquid passes through the first slit 521, and the user can drink from the first end 511 of the straw 51 to the bottle body 80. Inside the liquid.

It is worth mentioning that when the liquid flows into the cavity 15 of the bottle mouth tray 10, the liquid will not flow into the groove 16 because it is blocked by the inner ring wall 12 and the sealing portion 55, thereby achieving the function of preventing leakage.

When the user stops sucking, the liquid in the channel 53 of the straw 51 will return to the chamber 15. Wherein, the portion of the chassis 11 corresponding to the cavity 15 is a tapered surface recessed downward, and the liquid will be concentrated in the center of the tapered surface, so that the liquid flows down from the hole 111 and then returns to the bottle body 80.

FIG. 7 is a schematic diagram of a leak-proof structure of a drinking bottle according to the first embodiment of the present invention. As shown in FIG. 7, because the length of the hose 90 is long, when the hose 90 is set in the bottle body 80, the bottom end of the hose 90 will bend at the bottom of the bottle body 80; When the 80 is dumped or inverted, the air in the bottle 80 will rise to the bottom of the bottle 80, so that the end of the hose 90 bent at the bottom of the bottle 80 is higher than the water surface of the liquid, and the liquid in the bottle 80 cannot be used. Enter the hose 90 to achieve the function of preventing backflow.

It is worth mentioning that although the bottleneck plate 10 has a vent hole 17, because the hole diameter of the hole 17 is small, the liquid will not enter the groove 16 based on the effect of surface tension, and because the bottleneck plate 10 has only one The ventilation hole 17 makes it more difficult for the liquid to enter the groove 16 without air convection; and if there is liquid unfortunately penetrating, it is only a small amount of liquid. Among them, even if the liquid penetrates into the groove 16, the blocking portion 52 covers the opening of the groove 16 and does not leak from between the suction nozzle 50 and the bottle mouth tray 10, thereby achieving the function of preventing leakage.

FIG. 8 is a side sectional view of a suction nozzle 50 of a leak-proof structure of a drinking bottle according to a second embodiment of the present invention. As shown in FIG. 8, in the second embodiment of the present invention, the difference from the first embodiment is that the blocking portion 52 is disposed at the second end 512 of the straw 51.

FIG. 9 is an exploded perspective view of a leak-proof structure of a drinking bottle according to a third embodiment of the present invention. As shown in FIG. 9, in the third embodiment of the present invention, the difference from the first embodiment is that the leak-proof structure of the drinking bottle further includes a ring gasket 91 disposed on the bottle of the bottle mouth tray 10 and the bottle body 80. Between mouth 81. The ring gasket 91 may be made of an elastic material, such as silicon rubber, latex, or the like. The arrangement of the annular gasket 91 can further prevent liquid from leaking between the bottle mouth tray 10 and the bottle mouth 81 of the bottle body 80, and when the bottle mouth tray 10 needs to be disassembled, it can facilitate the user to quickly remove the bottle mouth tray 10 Up.

10 and 11 are a perspective assembled view and a perspective exploded view of a leak-proof structure of a drinking bottle according to a fourth embodiment of the present invention. As shown in FIGS. 10 and 11, in the fourth embodiment of the present invention, the difference from the first embodiment is that the leak-proof structure of the drinking bottle further includes a handle 92 and a cup lid 70.

The handlebar 92 has a set of rings 921 and at least one handle portion 922, the sleeve ring 921 is coaxially sleeved on the bottle body 80, and the handle portion 922 is provided around the sleeve ring 921; the setting of the handlebar 92 can be convenient for users to take Drink the liquid in the bottle 80.

The cup edge of the cup cover 70 is wavy and is composed of at least one wave peak and at least one valley connection. The outer edge of the coupling ring 56 further has an engaging portion 71, and the shape of the engaging portion 71 of the coupling ring 56 corresponds to the cup cover 70. The shape of the cup edge is such that when the cup cover 70 is disposed on the coupling ring 56, the cup edge of the cup cover 70 is engaged with the engaging portion 71 of the coupling ring 56.

To sum up, the present invention covers the cavity 15 and the groove 16 on the bottle mouth tray 10 with the suction nozzle 50 so that when the liquid flows into the cavity 15 of the bottle mouth tray 10, the liquid will The annular wall 12 and the sealing portion 55 are blocked from flowing into the groove 16; and the air hole 17 with a small aperture is passed, so that the liquid does not enter the groove 16 due to the effect of surface tension, and due to the bottle mouth plate 10 With only one vent hole 17, it is more difficult for the liquid to enter the groove 16 without air convection; and if there is liquid unfortunately penetrating, it is only a small amount of liquid, and even if the liquid penetrates into the groove 16, it will Because the blocking portion 52 covers the opening of the groove 16, There is leakage between the mouth 50 and the bottle mouth tray 10; further, the blocking portion 52 in the straw 51 can further prevent the liquid remaining in the straw 51 from leaking out, thereby achieving the function of preventing leakage.

Furthermore, an annular gasket 91 is provided between the bottle mouth plate 10 and the bottle mouth 81 of the bottle body 80 to prevent liquid from flowing out between the bottle body 80 and the bottle mouth plate 10, and the bottle can be disassembled when necessary. When the mouth plate 10 is used, it is convenient for a user to quickly remove the bottle mouth plate 10.

In addition, through the longer length of the hose 90, the tail end of the hose 90 can be bent to the bottom of the bottle body 80, so that when the bottle body 80 filled with liquid is poured or inverted, the tail end of the hose 90 is higher than the water surface of the liquid The liquid in the bottle body 80 cannot enter the hose 90, and the function of preventing backflow is achieved.

It is worth mentioning that when hot water is filled into the bottle body 80, a temperature difference occurs between the temperature inside the bottle and the room temperature outside the bottle, so that the inside and outside of the bottle body 80 have different pressures due to the temperature difference. Among them, the present invention can borrow The pressure difference between the inside and outside of the bottle body 80 is adjusted by the chamber 15 of the bottle mouth tray 10 so that the liquid in the bottle body 80 will not be squeezed out of the suction nozzle 50 due to the pressure in the bottle, thereby achieving the effect of preventing leakage.

The above are only used to explain the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Therefore, any modification or change related to the present invention made under the same spirit of the invention Should still be included in the scope of the present invention.

Claims (9)

A leak-proof structure for a drinking bottle is provided on a bottle mouth of a bottle body and includes: a bottle mouth plate with a chassis, an inner ring wall, an outer ring wall, and a guide tube. The base plate is provided with a hole. The inner ring wall is disposed on the top of the chassis and forms a cavity. The hole communicates with the cavity. The outer ring wall is disposed on the top of the chassis and surrounds the periphery of the inner ring wall. The outer ring wall and the A groove is formed between the inner ring walls, and the guide tube is disposed at the bottom of the chassis and communicates with the hole; a suction nozzle has a suction tube and a sealing portion, and the suction tube extends into the chamber and has a barrier. And a channel, the blocking portion is arranged in the channel and at least one first gap is opened, the sealing portion is arranged around the periphery of the straw, the sealing portion is arranged on the bottle mouth plate and closed on the cavity An opening and an opening of the groove; and a coupling ring, the sealing portion of the suction nozzle further includes a recessed portion, the coupling ring group is connected to the recessed portion, and the coupling ring is screwed to the bottle mouth, so that the The suction nozzle and the bottle mouth plate are fixed on the bottle mouth. According to the leak-proof structure of the drinking water bottle according to item 1 of the scope of the patent application, wherein the chassis has a downwardly concave cone surface, and the hole is opened in the center of the cone surface. According to the leak-proof structure of a drinking bottle according to item 1 of the scope of patent application, wherein the chassis is provided with a vent hole, the vent hole communicates with the groove, and the suction nozzle further includes a vent portion, and the vent portion is provided on the seal portion. Is located above the trench and has a second gap. According to the leak-proof structure of the drinking water bottle according to item 1 of the scope of the patent application, wherein the blocking portion is provided with two first gaps, which may be cross-shaped or V-shaped. According to the leak-proof structure of the drinking water bottle according to item 1 of the patent application scope, wherein the straw has a first end and a second end, and the blocking portion is disposed at the first end of the straw or the second end of the straw. The leak-proof structure of the drinking bottle according to item 1 of the scope of patent application, further includes a cup lid, the cup edge of which has a wavy shape, the outer edge of the coupling ring has an engagement portion, and the engagement of the coupling ring The shape of the portion corresponds to the shape of the cup edge of the cup cover. When the cup cover is provided on the coupling ring, the cup edge of the cup cover is engaged with the engaging portion of the coupling ring. The leak-proof structure of the drinking water bottle according to item 1 of the scope of patent application, further includes a hose connected to the guide tube, wherein the length of the hose is greater than the length of the bottle body. The leak-proof structure of the drinking water bottle according to item 1 of the patent application scope further includes a ring gasket disposed between the bottle mouth plate and the bottle mouth of the bottle body. The leak-proof structure of the drinking water bottle according to item 1 of the scope of patent application, further comprising a handle with a set of rings and at least one handle portion, the sleeve is coaxially sleeved on the bottle body, and the handle portion is provided on the sleeve around.