CN217065990U

CN217065990U - Water cup sealing ring and cup cover formed by same

Info

Publication number: CN217065990U
Application number: CN202221041019.7U
Authority: CN
Inventors: 朱庆利
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-07-29
Anticipated expiration: 2032-04-28

Abstract

The utility model provides a drinking cup sealing washer and bowl cover that constitutes thereof belongs to drinking cup accessory technical field. The water cup sealing ring production device solves the problems that in the prior art, water cup sealing rings of different specifications need a plurality of matched molds in the actual production process, and the investment is large. The cup sealing ring comprises an annular sealing ring body, wherein a closed annular hollow cavity is formed in the sealing ring body. The utility model has the advantages of can improve the commonality of drinking cup sealing washer and prevent the negative pressure effect.

Description

Water cup sealing ring and cup cover comprising same

Technical Field

The utility model belongs to the technical field of the drinking cup accessory, a drinking cup sealing washer and bowl cover that constitutes thereof is related to.

Background

The sealing rings used by cup kettles on the market at present mostly adopt flat gasket-shaped silica gel. The processing method of the sealing ring adopts high-temperature compression molding, the manufacturing cost of the mold involved in the high-temperature compression molding is high, the defective rate is high, meanwhile, because the calibers and the specifications of different styles of cup kettles are different, the sealing rings matched with the different styles of cup kettles need to be formed by corresponding different matched molds, so that along with the continuous development of the types and the specifications of cup kettle products, the corresponding matched molds are more and more, the investment is continuously increased, in addition, the sealing effect of the sealing ring is not good in the actual use process, and the cup sucking phenomenon exists.

The applicant has previously reported that the grant notice number is CN211154981U heat preservation drinking cup, including bowl cover and cup body, the bowl cover fit with the elasticity sealing washer in, has an annular channel in the elasticity sealing washer, and the cup body has the rim of a cup, and when the rim of a cup was fitted in the bowl cover, the rim of a cup and elasticity sealing washer offseted, and the annular notch has been seted up to elasticity sealing washer outward appearance, and annular notch and annular channel link up, are equipped with an incision on the annular surface in the elasticity sealing washer at least. Although the elastic sealing ring of the heat preservation water cup solves the problem of cup suction and has a good sealing effect, the problems that a plurality of matched molds are needed in the actual production process and the investment is large are still not solved.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and providing a cup sealing ring and a cup cover comprising the same. The utility model provides a technical problem how improve the commonality of drinking cup sealing washer and prevent the negative pressure effect.

The purpose of the utility model can be realized by the following technical proposal:

a water cup sealing ring comprises an annular sealing ring body and is characterized in that a closed annular hollow cavity is formed in the sealing ring body.

This drinking cup sealing washer can adopt the trombone shaping, earlier draw long hollow silicone tube promptly, then cut the hollow silicone tube that corresponds length according to the different bore size of cup kettle again, then splice the hot briquetting again with the both ends of the hollow silicone tube after cuting, the mould cost of silica gel trombone is compared in the relevant mould cost of high temperature compression molding and is hanged down a lot, and forming efficiency and stability are also better, also need not a product correspond a pair mould, only need according to the different bore size of cup kettle cut the hollow silicone tube that corresponds length splice hot briquetting again can, thereby improve the commonality of drinking cup sealing washer greatly. Simultaneously, because the inside of sealing washer body has the hollow cavity of confined annular for the sealing washer body has better compressive property than the elastic sealing washer in the background art, and non-deformable more, so the volume that the sealing washer body compressed can be controlled at certain extent well, can not cause the inefficacy of drinking cup sealing washer, thereby makes this drinking cup sealing washer have better anti negative pressure effect. And the use effect cannot be reduced due to long-term contact with boiled water or long-term use, the reliability is higher, and the service life is longer.

In the above cup sealing ring, the sealing ring body is in a ring shape or a square ring shape, and the annular hollow cavity is in a ring shape or a square ring shape corresponding to the sealing ring body. The structure can further improve the universality of the sealing ring of the water cup.

In the above cup sealing ring, the sealing ring body is internally provided with an annular partition plate which divides the annular hollow cavity into a left part and a right part. The annular partition plate is vertically arranged and can play a supporting role, so that the compression resistance of the cup sealing ring is further improved, and the cup sealing ring is not easy to deform.

The cup cover comprises the cup sealing ring and a cup cover body, wherein a plurality of positioning blocks are arranged on the outer ring side wall of the sealing ring body, and a plurality of positioning grooves are formed in the position, corresponding to the positioning blocks, of the cup cover body. The structure facilitates the disassembly and the assembly of the cup sealing ring and the cup cover.

In the cup cover, the positioning blocks are uniformly distributed along the circumferential direction. The cup sealing ring is more firm and stable after being fixed with the cup cover.

In an foretell bowl cover, the bowl cover body includes outer bowl cover and sets up the inside cap at outer bowl cover inboard, the horizontal projection of inside cap is the inverted-convex type, and sealing washer body cover is established on the inside cap, and a plurality of locating pieces inlay respectively and establish in the constant head tank that corresponds. When the positioning blocks are respectively embedded in the corresponding positioning grooves, the cup sealing ring can play a role in supporting the inner top cover, so that the inner top cover can be fixedly connected with the outer cup cover or not connected with the outer cup cover.

In the cup cover, the inner top cover is made of ceramic or glass material. Because the inner top cover is in direct contact with liquid in the cup, the inner top cover is made of ceramic or glass materials, and the environmental protection grade of the water cup can be improved.

In the cup cover, at least one exhaust groove is formed in the inner side wall of the outer cup cover and is opposite to the outer ring side wall of the sealing ring body. The air discharge duct can make the air pass through the clearance easier (this clearance indicates when the sealing washer is originally compressed, produced clearance between rim of a cup and the drinking cup sealing washer), it needs to notice that the air discharge duct does not play the decisive role to the negative pressure effect of preventing of drinking cup sealing washer, only sets up can make the drinking cup sealing washer prevent that the negative pressure effect is better behind the air discharge duct.

Compared with the prior art, the cup sealing ring and the cup cover comprising the same have the advantages that: the utility model discloses a drinking cup sealing washer can adopt the trombone slide shaping, only need according to the different bore sizes of cup kettle cut the hollow silicone tube who corresponds length splice hot briquetting can again to improve drinking cup sealing washer's commonality greatly. Meanwhile, the sealing ring body is internally provided with the closed annular hollow cavity, so that the sealing ring body has better pressure resistance and is not easy to deform compared with an elastic sealing ring in the background technology, and the universality and the negative pressure prevention effect of the water cup sealing ring are improved.

Drawings

FIG. 1 is a sectional view of the cap in the second embodiment.

Fig. 2 is an exploded view of the lid in the second embodiment.

FIG. 3 is a sectional view of a seal ring of a water cup according to a second embodiment.

FIG. 4 is a cross-sectional view of a seal ring of a water cup according to a third embodiment of the present invention.

Fig. 5 is a second cross-sectional view of the water cup sealing ring in the third embodiment.

In the figure, 1, a seal ring body; 2. an annular hollow chamber; 3. an annular partition plate; 5. A cup cover body; 51. an outer cup cover; 52. an inner top cover; 6. positioning blocks; 7. And (6) positioning a groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

A cup sealing ring comprises an annular sealing ring body 1, wherein a closed annular hollow cavity 2 is formed in the sealing ring body 1. The sealing ring body 1 is in a ring shape or a square ring shape, and the annular hollow cavity 2 is in a ring shape or a square ring shape corresponding to the sealing ring body 1. (the cup sealing ring in this embodiment is not shown in the drawings, and it can refer to fig. 2, and the cup sealing ring in fig. 2 is the cup sealing ring in this embodiment except for the positioning block).

Example two

The structure and principle of this embodiment are basically the same as those of the first embodiment, and the difference is that: a cup cover, refer to fig. 1-3, includes the drinking cup sealing washer in embodiment one, still includes cup cover body 5, be provided with a plurality of locating pieces 6 on the outer lane lateral wall of sealing washer body 1, the position that cup cover body 5 corresponds locating piece 6 is provided with a plurality of constant head tanks 7. A plurality of positioning blocks 6 are uniformly distributed along the circumferential direction. The cup cover body 5 comprises an outer cup cover 51 and an inner top cover 52 arranged on the inner side of the outer cup cover 51, the horizontal projection of the inner top cover 52 is of an inverted convex shape, the inner top cover 52 is sleeved with the sealing ring body 1, and the positioning blocks 6 are respectively embedded in the corresponding positioning grooves 7. The inner top cover 52 is made of a ceramic or glass material.

The negative pressure prevention working principle is as follows: the cup sealing ring needs to be matched with the cup cover and the cup body to be combined into a cup for reuse, when hot drink or boiled water is added into the cup, and the cup cover is screwed, when the cup is in an initial state, the cup opening is abutted against the cup sealing ring, the cup sealing ring is pressed on the cup sealing ring through the opening end of the cup opening to play a waterproof role, along with the time lapse, the water body shrinks to enable the inside and the outside of the cup to generate a certain pressure difference due to the temperature reduction of liquid in the cup, when the pressure difference is larger than the elasticity of the cup sealing ring after the cup opening is abutted against, the hollow sealing ring body with the annular opening is further compressed to enable a gap to be generated between the cup opening and the cup sealing ring, because the inside of the sealing ring body 1 is provided with the closed annular hollow cavity 2, the sealing ring body 1 has better pressure resistance and is not easy to deform, the compression amount of the sealing ring body 1 is within a certain range, and the failure of the cup sealing ring can not be caused, external air will be along the inner wall of bowl cover and along the inside that the rim of a cup got into the cup through the clearance, with the inside and outside pressure differential of balanced drinking cup, the drinking cup sealing washer is the reconversion under the effect of elastic force, the clearance disappears in external air no longer gets into the drinking cup, the inside and outside pressure differential that the water shrink that causes is continued to descend until the inside temperature of cup produced can make the sealing washer body extruded once more, and make regeneration clearance between rim of a cup and the drinking cup sealing washer, external partial air will get into the cup inside once more this moment, so circulate, make the inside and outside pressure differential of cup restricted at certain within range, thereby effectively prevent the production of negative pressure in the cup, make the inside liquid cooling back bowl cover of cup can also be easy opened.

EXAMPLE III

The structure and principle of this embodiment are basically the same as those of the second embodiment, and the difference is that: referring to fig. 2, 4 and 5, the sealing ring body 1 is provided with an annular partition plate 3 inside to divide the annular hollow chamber 2 into left and right parts.

Example four

The structure and principle of this embodiment are basically the same as those of the second embodiment, and the difference is that: at least one exhaust groove is formed in the inner side wall of the outer cup cover 51 and is opposite to the outer ring side wall of the sealing ring body 1. It should be noted that the air discharge duct does not play a decisive role in the negative pressure prevention effect of the cup sealing ring, and the negative pressure prevention effect of the cup sealing ring is better only after the air discharge duct is arranged.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the sealing ring body 1, the annular hollow chamber 2, the annular partition plate 3, the lid body 5, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The cup sealing ring comprises an annular sealing ring body (1), and is characterized in that a closed annular hollow cavity (2) is formed in the sealing ring body (1).

2. The sealing ring for the water cup as claimed in claim 1, wherein the sealing ring body (1) is in the shape of a circular ring or a square ring, and the annular hollow chamber (2) is in the shape of a circular ring or a square ring corresponding to the sealing ring body (1).

3. The sealing ring for the water cup as claimed in claim 1 or 2, wherein the sealing ring body (1) is internally provided with an annular partition plate (3) which divides the annular hollow chamber (2) into a left part and a right part.

4. A cup cover, characterized in that, it comprises the cup sealing ring of any one of claims 1-3, and further comprises a cup cover body (5), a plurality of positioning blocks (6) are arranged on the outer ring side wall of the sealing ring body (1), and a plurality of positioning grooves (7) are arranged on the cup cover body (5) corresponding to the positioning blocks (6).

5. A cup lid according to claim 4, characterized in that a plurality of locating blocks (6) are evenly distributed along the circumferential direction.

6. The cup cover according to claim 4, characterized in that the cup cover body (5) comprises an outer cup cover (51) and an inner top cover (52) arranged on the inner side of the outer cup cover (51), the horizontal projection of the inner top cover (52) is of an inverted convex shape, the sealing ring body (1) is sleeved on the inner top cover (52), and the positioning blocks (6) are respectively embedded in the corresponding positioning grooves (7).

7. A lid as claimed in claim 6, characterised in that the inner top cover (52) is made of ceramic or glass material.

8. The cup cover according to claim 6, characterized in that at least one air discharge groove is arranged on the inner side wall of the outer cup cover (51), and the air discharge groove is arranged opposite to the outer ring side wall of the seal ring body (1).