CN212461283U

CN212461283U - Anti-crushing insulating gasket structure

Info

Publication number: CN212461283U
Application number: CN202021261842.XU
Authority: CN
Inventors: 彭明
Original assignee: Chongqing Lingjiang Electronic Technology Co ltd
Current assignee: Chongqing Lingjiang Electronic Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-02
Anticipated expiration: 2030-06-30

Abstract

The utility model belongs to the technical field of the sealing member, concretely relates to prevent broken insulating gasket structure, including two basic units and the elastic interlayer that is located between two basic units, the upper and lower both sides at elastic interlayer both ends all are equipped with the lug that can contact with the basic unit lateral wall, and elastic interlayer's cross-section is "worker" font. The elastic interlayer is additionally arranged between the two base layers, when the insulating gasket is subjected to an overlarge acting force applied from the outside, the elastic interlayer can buffer part of the acting force, and the insulating gasket is effectively prevented from being cracked due to overlarge stress. Set up the lug on the elasticity intermediate layer, the lug has a limiting displacement to the basic unit, fixed basic unit that can be better, simultaneously, the setting up of lug makes the better parcel basic unit of elasticity intermediate layer, and the effect of buffering basic unit atress is better.

Description

Anti-crushing insulating gasket structure

Technical Field

The utility model belongs to the technical field of the sealing member, concretely relates to prevent broken insulating gasket structure.

Background

Gaskets are mechanical seals between two objects, and are commonly used to prevent leakage between two objects due to pressure, corrosion, and thermal expansion and contraction of the pipeline. Most insulating gaskets on the market at present are made of a single material, such as a plastic gasket, a ceramic gasket, a mica gasket and the like. The gaskets have the defects that the plastic gasket has poor temperature resistance, is easy to embrittle at low temperature and is easy to age and short in service life at high temperature, the ceramic gasket and the mica gasket are easy to crack when bearing large pressure, and once the gaskets are broken, the sealing is not only ineffective, and partial fragments can seriously damage equipment after entering the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent broken insulating gasket structure to solve current insulating gasket and break the problem easily when bearing great pressure.

In order to achieve the above purpose, the utility model discloses a scheme does: the utility model provides an prevent broken insulating gasket structure, includes two basic units and is located the elasticity intermediate layer between two basic units, and the upper and lower both sides at elasticity intermediate layer both ends all are equipped with the lug that can contact with the basic unit lateral wall, and the cross-section of elasticity intermediate layer is "worker" font.

The working principle and the beneficial effects of the scheme are as follows:

the elastic interlayer is additionally arranged between the two base layers, when the insulating gasket is subjected to an overlarge acting force applied from the outside, the elastic interlayer can buffer part of the acting force, and the insulating gasket is effectively prevented from being cracked due to overlarge stress. Set up the lug on the elasticity intermediate layer, the lug has a limiting displacement to the basic unit, fixed basic unit that can be better, simultaneously, the setting up of lug makes the better parcel basic unit of elasticity intermediate layer, and the effect of buffering basic unit atress is better.

Optionally, the elastic interlayer is a rubber interlayer. The rubber has elasticity, good comprehensive performance and wide sources, and the rubber interlayer is suitable to be used as the elastic interlayer.

Optionally, the surface of the rubber interlayer is coated with a silicone rubber coating layer. The coating of the silicone rubber coating layer can ensure that the rubber interlayer has higher elasticity and flexibility, and can effectively improve the ageing resistance and high temperature resistance of the rubber interlayer.

Optionally, the base layer is a stainless steel cold-rolled plate layer. The stainless steel cold-rolled sheet has better corrosion resistance and strength, stable property and is suitable as a base layer.

Optionally, a metal liner is provided within the resilient interlayer. The metal lining is additionally arranged in the elastic interlayer, which is equivalent to providing a metal framework for the elastic interlayer, so that the elastic interlayer has better strength. Meanwhile, the metal lining can limit the deformation of the elastic interlayer to a certain degree, and the excessive deformation of the elastic interlayer can be effectively avoided.

Optionally, the metal lining comprises at least one support part comprising a base plate and an elastic bump layer fixed on the base plate. The supporting part is arranged according to the thickness of the rubber layer, and the supporting part is additionally arranged when the rubber layer is thicker. The substrate is mainly used for increasing the strength of the insulating gasket; the elastic convex layer has certain elasticity, and when the insulating gasket is extruded, the elastic convex layer can also generate certain deformation, so that the normal movement of the excessive interference rubber layer of the metal lining is avoided, and the sealing resilience of the insulating gasket is greatly reduced.

Optionally, the elastic protrusion layer is integrally formed with a plurality of protruding protrusions, and the protrusions are provided with concave cavities therein. The concave cavity is arranged in the bulge, and when the bulge is extruded, the bulge has a downward movement trend and certain elasticity.

Optionally, the surface of the substrate is provided with a plurality of scribing grooves. The arrangement of the scribing groove can increase the friction coefficient of the substrate, so that the substrate and the elastic interlayer can be better connected and fixed.

Optionally, the metal liner comprises 2 metal mesh plates, and a plurality of foldable telescopic parts are connected between the 2 metal mesh plates. The metal mesh plate is used for increasing the strength of the elastic interlayer; the pars contractilis has certain elasticity, and when extrusion elasticity intermediate layer, certain deformation also can take place thereupon in the pars contractilis, avoids the too much normal motion of interfering the elasticity intermediate layer of metal inside lining, leads to insulating gasket's reduction by a wide margin of seal resilience.

Optionally, the bellows is shaped as a bellows. The telescopic part is arranged in a corrugated pipe shape, has certain elasticity and cannot excessively interfere with the normal movement of the rubber layer.

Drawings

Fig. 1 is a cross-sectional view of an anti-crushing insulating spacer structure according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an anti-breaking insulating spacer structure according to a second embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the elastic sandwich structure comprises a base layer 10, an elastic interlayer 20, bumps 21, an elastic bump layer 30, bumps 31, a substrate 40, a metal mesh plate 50 and an expansion part 51.

Example one

This embodiment is substantially as shown in fig. 1: the utility model provides an anti-crushing insulating gasket structure, includes two basic units 10 and is located the elasticity intermediate layer 20 between two basic units 10, and in this embodiment, elasticity intermediate layer 20 is the rubber intermediate layer, and basic unit 10 is the cold rolled sheet layer of stainless steel, and the cold rolled sheet of stainless steel has better corrosion resistance and intensity, and the nature is stable, and is more suitable as basic unit 10. The upper and lower sides of the left and right ends of the elastic interlayer 20 are provided with bumps 21, the bumps 21 and the elastic interlayer 20 are integrally formed, and the section of the elastic interlayer 20 is in an I shape. Each bump 21 is in contact with the sidewall of the base layer 10, and the bumps 21 also have a limiting effect on the substrate 40. The surface coating of rubber intermediate layer has the silicon rubber coating layer, and the coating silicon rubber coating layer can ensure that rubber intermediate layer has higher elasticity, pliability, can also effectively improve rubber intermediate layer ageing-resistant and high temperature resistance ability simultaneously.

The elastic interlayer 20 is internally provided with a metal lining, and the elastic interlayer 20 and the metal lining are formed by integral injection molding of a mold. The metal lining includes at least one supporting portion, sets up the supporting portion according to the thickness of elasticity intermediate layer 20, and elasticity intermediate layer 20 is thicker then adds and establishes the supporting portion, and in this embodiment, the supporting portion is equipped with 2. The supporting part comprises a base plate 40 and an elastic convex layer 30 fixed on the base plate 40, the base plate 40 is a stainless steel plate, a plurality of grooves are formed in the surface of the base plate 40, the friction coefficient of the base plate 40 can be increased by arranging the grooves, and the base plate 40 and the rubber layer can be better connected and fixed. The elastic bulge layer 30 is integrally formed with a plurality of extending bulges 31, the bulges 31 are provided with concave cavities, and when the bulges 31 are extruded, the bulges 31 tend to move downwards and have certain elasticity. The base plate 40 is mainly used to increase the strength of the insulating gasket; the elastic bump layer 30 has a certain elasticity, and when the elastic interlayer 20 is extruded, the elastic bump layer 30 can also deform to a certain extent, so that the phenomenon that the metal lining is too much to interfere with the normal movement of the elastic interlayer 20, which leads to the great reduction of the sealing resilience of the elastic interlayer 20 is avoided.

Example two

The present embodiment is different from the first embodiment in that: different from the first embodiment, as shown in fig. 2, in the present embodiment, the metal liner includes 2 metal mesh plates 50, a plurality of foldable expansion parts 51 are welded between the 2 metal mesh plates 50, and the expansion parts 51 are in a bellows shape. The metal mesh plate 50 is used for increasing the strength of the insulating gasket, the corrugated expansion part 51 has certain elasticity, and when the elastic interlayer 20 is extruded, the expansion part 51 can deform to a certain extent, so that the phenomenon that the sealing resilience of the elastic interlayer 20 is greatly reduced due to the fact that the metal lining is too much to interfere with the normal movement of the elastic interlayer 20 is avoided.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.

Claims

1. The utility model provides an anti-crushing insulating gasket structure which characterized in that: the elastic interlayer comprises two base layers and an elastic interlayer positioned between the two base layers, wherein the upper side and the lower side of the two ends of the elastic interlayer are respectively provided with a lug capable of contacting with the side wall of the base layer, and the cross section of the elastic interlayer is in an I shape.

2. The shatter resistant insulating gasket construction of claim 1 wherein: the elastic interlayer is a rubber interlayer.

3. The shatter resistant insulating gasket construction of claim 2 wherein: the surface of the rubber interlayer is coated with a silicone rubber coating layer.

4. The shatter resistant insulating gasket construction of claim 1 wherein: the base layer is a stainless steel cold-rolled plate layer.

5. An anti-splinter insulating gasket construction as claimed in any one of claims 1 to 4 wherein: a metal lining is arranged in the elastic interlayer.

6. An anti-spalling insulating spacer structure as claimed in claim 5, wherein: the metal lining comprises at least one supporting part, and the supporting part comprises a base plate and an elastic convex layer fixed on the base plate.

7. The shatter resistant insulating gasket construction of claim 6 wherein: a plurality of protrusions extending out are integrally formed on the elastic protrusion layer, and concave cavities are formed in the protrusions.

8. The shatter resistant insulating gasket construction of claim 7 wherein: the surface of the substrate is provided with a plurality of scribing grooves.

9. An anti-spalling insulating spacer structure as claimed in claim 5, wherein: the metal lining comprises 2 metal mesh plates, and a plurality of foldable telescopic parts are connected between the 2 metal mesh plates.

10. The shatter resistant insulating gasket construction of claim 9 wherein: the expansion part is in a corrugated pipe shape.