CN211145339U - Manhole gasket - Google Patents

Abstract

The utility model discloses a manhole gasket, including the gasket body, the gasket body includes the first graphite layer on upper portion, middle steel deck and the second graphite layer of lower part, the upper surface of steel deck is wavy, just the lower surface of steel deck is wavy, first graphite layer laminating in the upper surface of steel deck, second graphite layer laminating in the lower surface of steel deck. A manhole gasket sets up first graphite layer through the upper portion at the steel deck, sets up the second graphite layer through the lower part at the steel deck, has not only improved the resilience performance of gasket body to the insulating flame retardant property of gasket body has been improved, and the upper surface of steel deck, the lower surface are wavy, has not only improved frictional force, makes the combination of steel deck and first graphite layer, second graphite layer more inseparable, and can improve resilience performance to a certain extent, simple structure, easily realization.

Description

Manhole gasket

Technical Field

The utility model relates to a gasket technical field especially relates to a manhole gasket.

Background

The gasket is a material made of paper, rubber or copper sheet, placed between two planes to enhance sealing, and a sealing element disposed between the static sealing surfaces to prevent fluid leakage.

The gasket that is used for on the manhole now, it has the poor problem of resilience performance, and then influences its sealing performance to a certain extent, from this, the urgent need be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned problem, provide a manhole gasket to it is poor to solve current manhole gasket resilience performance, problem that sealing performance is poor.

The utility model aims at realizing through the following technical scheme:

the utility model provides a manhole gasket, includes the gasket body, the gasket body includes the first graphite layer on upper portion, the steel deck in the middle of and the second graphite layer of lower part, the upper surface of steel deck is wavy, just the lower surface of steel deck is wavy, first graphite layer laminating in the upper surface of steel deck, second graphite layer laminating in the lower surface of steel deck.

As an optimized proposal of the utility model, the thickness of the first graphite layer is 3 mm.

As an optimized proposal of the utility model, the thickness of the second graphite layer is 3 mm.

As an optimal scheme of the utility model, the thickness of steel deck is 8 mm.

As a preferred scheme of the utility model, a plurality of installation through-hole has been seted up on the gasket body, a plurality of installation through-hole follow the circumference equipartition of gasket body.

As an optimized proposal of the utility model, the gasket body is an oval structure.

The beneficial effects of the utility model are that, a manhole gasket sets up first graphite layer through the upper portion at the steel deck, sets up the second graphite layer through the lower part at the steel deck, has not only improved the resilience performance of gasket body to the insulating flame retardant property of gasket body has been improved, and the upper surface of steel deck, lower surface are wavy, have not only improved frictional force, make the combination of steel deck and first graphite layer, second graphite layer more inseparable, and can improve resilience performance to a certain extent, simple structure, easily realization.

Drawings

FIG. 1 is a schematic view of a manhole gasket;

figure 2 is a schematic cross-sectional view of a manhole gasket.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the embodiments described herein are merely illustrative of the present invention and are not limiting thereof.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a manhole gasket; figure 2 is a schematic cross-sectional view of a manhole gasket.

In this embodiment, a manhole gasket, includes gasket body 1, a plurality of mounting through hole 2 has been seted up on gasket body 1, a plurality of mounting through hole 2 follow gasket body 1's circumference equipartition, gasket body 1 includes first graphite layer 11 on upper portion, middle steel deck 12 and the second graphite layer 13 of lower part, the upper surface of steel deck 12 is wavy, just the lower surface of steel deck 12 is wavy, first graphite layer 11 laminate in the upper surface of steel deck 12, second graphite layer 13 laminate in the lower surface of steel deck 12.

Specifically, in this embodiment, the thickness of the first graphite layer 11 is 3mm, which is a preferable embodiment in which the cost and the resilience are combined.

Specifically, in this embodiment, the thickness of the second graphite layer 13 is 3mm, which is a preferable scheme in which the cost and the resilience are combined.

Specifically, in this embodiment, the thickness of the steel deck 12 is 8 mm.

Specifically, in this embodiment, the gasket body 1 has an elliptical structure.

Above-mentioned manhole gasket sets up first graphite layer 11 through the upper portion at steel deck 12, lower part through at steel deck 12 sets up second graphite layer 13, gasket body 1's resilience performance has not only been improved, and gasket body 1's insulating flame retardant property has been improved, and steel deck 12's upper surface, the lower surface is wavy, frictional force has not only been improved, make steel deck 12 and first graphite layer 11, second graphite layer 13's combination is more inseparable, and can improve resilience performance to a certain extent, moreover, the steam generator is simple in structure, and easy realization.

The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims.

Claims (6)

1. A manhole gasket, includes the gasket body, its characterized in that: the gasket body comprises a first graphite layer on the upper portion, a middle steel plate layer and a second graphite layer on the lower portion, the upper surface of the steel plate layer is wavy, the lower surface of the steel plate layer is wavy, the first graphite layer is attached to the upper surface of the steel plate layer, and the second graphite layer is attached to the lower surface of the steel plate layer.

2. A manhole gasket as claimed in claim 1, wherein: the thickness of the first graphite layer is 3 mm.

3. A manhole gasket as claimed in claim 2, wherein: the thickness of the second graphite layer is 3 mm.

4. A manhole gasket as claimed in claim 3, wherein: the thickness of the steel plate layer is 8 mm.

5. A manhole gasket according to any one of claims 1 to 4, wherein: a plurality of mounting through holes are formed in the gasket body and are uniformly distributed along the circumferential direction of the gasket body.

6. A manhole gasket according to claim 5, wherein: the gasket body is of an oval structure.

Images