CN219388603U - Rubber composite sealing gasket - Google Patents

Abstract

The utility model discloses a rubber composite sealing gasket, which relates to the technical field of sealing gaskets, and particularly relates to a rubber composite sealing gasket. This compound sealing gasket of rubber system through setting up first cavity and second cavity in sealing washer's inboard, installs sealing washer back in the bowl cover, when screwing the bowl cover, utilizes the first cavity of drinking cup extrusion, extrudees the second cavity with the air in the first cavity in, makes protruding inflation, can improve sealing washer's fastness in the bowl cover, through setting up the non return air cock, can avoid the air in the second cavity to reverse inflow to in the first cavity.

Description

Rubber composite sealing gasket

Technical Field

The utility model relates to the technical field of sealing gaskets, in particular to a rubber composite sealing gasket.

Background

The rubber gasket has the performances of oil resistance, acid and alkali resistance, cold resistance, heat resistance, aging resistance and the like, can be directly cut into sealing gaskets with various shapes, and is widely applied to industries of medicines, electronics, chemical industry, antistatic, flame retardance, food and the like. At present, a cup with a cup cover is used for sealing the inner space of the cup by screwing the cup cover, and rubber sealing gaskets are arranged in the cup cover of the cup and are used for preventing water leakage when the cup stands upside down or inclines.

Patent publication number CN215059463U proposes a rubber sealing gasket, including being annular gasket body, be provided with two at least rings of protruding muscle on the week side outer wall of gasket body, annular caulking groove has been seted up to the upper end plane of gasket body, the annular caulking groove is embedded to be equipped with the inflation sealing body. Through adopting above-mentioned technical scheme, after installing the gasket, in plugging into annular caulking groove with the inflation sealing body for the protruding muscle of gasket body outer wall outwards protrudes, protruding muscle like this can offset with the bowl cover is inside better, and then makes the gasket be difficult for breaking away from after the installation, and the reliability is higher. This structure is when in actual use, meet water inflation sealing gum and just can take place the inflation after the contact with vapor, this just leads to sealing gasket's sealed effect to have the difference, when the drinking cup deposits cold water, sealing gasket's sealed effect can be relatively worsened, and for guaranteeing that vapor can contact and meet water inflation sealing gum, sealing gasket needs to reserve the opening, liquid in the drinking cup enters into sealing gasket easily, when drinking cup deposits beverage such as fruit juice, there is liquid residue in the sealing gasket, be difficult to wash, easy formation pollution, we provide a rubber system compound sealing gasket for this.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a rubber composite sealing gasket, which solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a compound sealing gasket of rubber system, includes sealing washer, sealing washer's medial surface is provided with the arch, be connected with the diaphragm in sealing washer's the inner chamber, the diaphragm separates sealing washer's inner chamber into first cavity and second cavity, the bleeder vent has been seted up to bellied inside, the side of diaphragm is connected with the non return air cock, the non return air cock cage is in the outside of bleeder vent, sealing washer's top has seted up flutedly, the top of recess is provided with the seal groove.

Optionally, the protrusions are distributed on the inner wall of the sealing gasket at equal intervals, and the inner cavities of the protrusions are communicated with the second cavity.

Optionally, the first cavity is located outside the second cavity, and the first cavity and the second cavity are filled with air.

Optionally, the check valve is funnel-shaped, the aperture is seted up to the inside of check valve, the pointed end of check valve is towards the inside of second cavity.

Optionally, the quantity of seal groove has two and is concentric ring form distribution, the opening part of seal groove is splayed structure.

Optionally, a diaphragm ring is connected to the inner wall of the sealing gasket, and the diaphragm ring is located above the protrusion.

Optionally, protruding ribs are arranged at the bottom of the sealing gasket, and the number of the protruding ribs is three and distributed at equal intervals.

The utility model provides a rubber composite sealing gasket, which has the following beneficial effects:

1. this compound sealing gasket of rubber system, through setting up first cavity and second cavity in sealing washer's inboard, after installing sealing washer in the bowl cover, when screwing the bowl cover, utilize the first cavity of drinking cup extrusion, extrude the second cavity with the air in the first cavity in, make protruding inflation, can improve sealing washer's fastness in the bowl cover, through setting up the check air cock, after the gas in the first cavity is extruded the second cavity in, the check air cock is because self elasticity shrink, make the aperture closure in the check air cock, can avoid the air in the second cavity reverse inflow to in the first cavity.

2. According to the rubber composite sealing gasket, the sealing groove is formed in the top of the sealing gasket, when the cup cover is screwed, the water cup can give the sealing gasket upward extrusion force, air in the groove is discharged, the sealing groove can be adsorbed in the cup cover, and the installation firmness of the sealing gasket is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another angle of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is an enlarged view of FIG. 3A in accordance with the present utility model;

FIG. 5 is a schematic view of a check valve according to the present utility model.

In the figure: 1. a sealing gasket; 2. a protrusion; 3. a diaphragm; 4. a first cavity; 5. a second cavity; 6. ventilation holes; 7. a non-return air tap; 8. a groove; 9. sealing grooves; 10. a diaphragm ring; 11. protruding ribs.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a rubber-made composite sealing gasket, including sealing gasket 1, sealing gasket 1's medial surface is provided with protruding 2, protruding 2 equidistant distribution is on sealing gasket 1's inner wall, through setting up protruding 2, after sealing gasket 1 installs in the bowl cover, protruding 2 can press from both sides tightly in the inside of bowl cover, improve the fastness of installation, protruding 2's inner chamber and second cavity 5 intercommunication, be connected with diaphragm 3 in sealing gasket 1's the inner chamber, diaphragm 3 separates sealing gasket 1's inner chamber into first cavity 4 and second cavity 5, first cavity 4 is located the outside of second cavity 5, first cavity 4 and the inside of second cavity 5 are filled with the air, through setting up first cavity 4 and second cavity 5 in sealing gasket 1's inboard, after sealing gasket 1 installs in the bowl cover, when screwing the bowl cover, utilize the water cup to extrude first cavity 4, extrude the air in the first cavity 4 into second cavity 5, make protruding 2 expand, can improve sealing gasket 1's fastness in the middle,

referring to fig. 3 to 5, an air vent 6 is formed in the boss 2, a check valve 7 is connected to the side of the diaphragm 3, the check valve 7 is covered outside the air vent 6, the check valve 7 is in a funnel structure, small holes are formed in the check valve 7, by arranging the check valve 7, when the air in the first cavity 4 is extruded into the second cavity 5, the check valve 7 is elastically contracted to close the small holes in the check valve 7, so that the air in the second cavity 5 can be prevented from reversely flowing into the first cavity 4, the tip of the check valve 7 faces the inside of the second cavity 5,

referring to fig. 1 and 5, a groove 8 is formed at the top of a sealing gasket 1, the groove 8 is arranged to increase the cavity volume of the sealing groove 9, after the air in the groove 8 is exhausted, stronger negative pressure can be formed to increase the adsorption firmness of the sealing groove 9, the sealing groove 9 is arranged at the top of the groove 8, the number of the sealing grooves 9 is two and distributed in concentric circular ring shape, the opening of the sealing groove 9 is in a splayed structure, the sealing groove 9 is arranged at the top of the sealing gasket 1, when the cup cover is screwed, the water cup can give the sealing gasket 1 an upward extrusion force to enable the sealing groove 9 to be adsorbed in the cup cover to increase the installation firmness of the sealing gasket 1,

referring to fig. 2 and 5, a diaphragm ring 10 is connected to the inner wall of the sealing gasket 1, the diaphragm ring 10 is located above the protrusion 2, after the sealing gasket 1 is installed in the cup cover, the diaphragm ring 10 can hoop the cup cover, the installation firmness of the sealing gasket 1 is improved, meanwhile, the waterproof effect is achieved, liquid in the water cup is prevented from flowing to the top of the sealing gasket 1, protruding ribs 11 are arranged at the bottom of the sealing gasket 1, the number of the protruding ribs 11 is three and distributed at equal intervals, the sealing effect can be improved by arranging the protruding ribs 11, the sealing performance between the water cup and the sealing gasket 1 is better, and water leakage is prevented.

In sum, this rubber system compound seal gasket, when using, install sealing washer 1 in the bowl cover, screw the bowl cover on the drinking cup, utilize the drinking cup upwards to extrude first cavity 4, air in the first cavity 4 is passed through bleeder vent 6, check air cock 7 carries in the second cavity 5, make the inner wall inflation of second cavity 5 and arch 2, improve sealing washer 1's fastness in the bowl cover, after gas enters into second cavity 5, the inside shrink of check air cock 7 is closed its aperture because of self elasticity, avoid the gas in the second cavity 5 to flow back in first cavity 4, simultaneously when pressing sealing washer 1, the inside gas of recess 8 can outwards be discharged, make the inside of recess 8 form negative pressure, thereby make seal groove 9 adsorb on the bowl cover, can.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a compound gasket seal of rubber system, includes sealing washer (1), its characterized in that: the inner side of sealing washer (1) is provided with protruding (2), be connected with diaphragm (3) in the inner chamber of sealing washer (1), first cavity (4) and second cavity (5) are separated into with the inner chamber of sealing washer (1) to diaphragm (3), bleeder vent (6) have been seted up to the inside of protruding (2), the side of diaphragm (3) is connected with non return air cock (7), non return air cock (7) cage is in the outside of bleeder vent (6), recess (8) have been seted up at the top of sealing washer (1), the top of recess (8) is provided with seal groove (9).

2. The rubber composite gasket seal of claim 1, wherein: the bulges (2) are distributed on the inner wall of the sealing gasket (1) at equal intervals, and the inner cavity of the bulge (2) is communicated with the second cavity (5).

3. The rubber composite gasket seal of claim 1, wherein: the first cavity (4) is located on the outer side of the second cavity (5), and the first cavity (4) and the second cavity (5) are filled with air.

4. The rubber composite gasket seal of claim 1, wherein: the check valve (7) is of a funnel-shaped structure, a small hole is formed in the check valve (7), and the tip of the check valve (7) faces the inside of the second cavity (5).

5. The rubber composite gasket seal of claim 1, wherein: the number of the sealing grooves (9) is two, the sealing grooves are distributed in a concentric circular ring shape, and the opening of each sealing groove (9) is in a splayed structure.

6. The rubber composite gasket seal of claim 1, wherein: the inner wall of the sealing gasket (1) is connected with a diaphragm ring (10), and the diaphragm ring (10) is positioned above the bulge (2).

7. The rubber composite gasket seal of claim 1, wherein: the bottom of the sealing gasket (1) is provided with protruding ribs (11), and the number of the protruding ribs (11) is three and distributed at equal intervals.