CN212097825U - Composite material sealing ring - Google Patents

Abstract

The utility model discloses a composite material sealing washer, including metal level, plastic layer, graphite layer, open flutedly in metal level both sides center, graphite layer symmetry is installed in the recess, the plastic layer installation graphite layer outside, the groove depth is 2-5mm, width 5-10 mm. The utility model discloses a metal material combines together with soft sealing material graphite and plastics as the framework material of sealing washer, when guaranteeing that the sealing washer has higher intensity, has increased the compression deformation rate of sealing washer, has combined the advantage of metal, graphite, plastics. The utility model discloses an among the sealing washer structure, inlay graphite material as a whole in the metal recess, the use of easy to assemble, the protruding degree of depth that sets up a little more than the metal level recess of graphite seal circle has further increased the whole compression deformation rate of sealing washer.

Description

Composite material sealing ring

Technical Field

The utility model belongs to the technical field of it is sealed, especially, relate to a combined material sealing washer.

Background

The metal sealing ring is made of metal stainless steel, has strong practical characteristics, and can keep normal work in the environments of high vacuum, strong radiation, various corrosion and the like. The metal sealing ring has low compression deformation rate and high requirement on the smoothness of the sealing surface, and if the sealing surface is not smooth, the metal sealing ring is easily damaged mechanically to cause leakage accidents.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem above the metal seal circle, the utility model discloses a combined material sealing washer combines together metal material and graphite and plastic seal, when guaranteeing sealing washer intensity, makes the sealing washer have great compression deformation rate, reduces the smoothness requirement to sealed face, the utility model discloses simple structure facilitates the use.

The technical scheme of the utility model: the composite material sealing ring comprises a metal layer, a plastic layer and a graphite layer, wherein grooves are formed in the centers of two sides of the metal layer, the graphite layer is symmetrically arranged in the grooves, the outer side of the graphite layer is arranged on the plastic layer, the depth of each groove is 2-5mm, and the width of each groove is 5-10 mm.

Preferably, the metal layer is made of stainless steel, silicon manganese, chrome alum or chrome manganese alloy.

Preferably, the graphite layer comprises protrusions and a bottom layer, the width of the protrusions is the same as that of the grooves, and the height of the protrusions is 3-6 mm.

Preferably, the plastic layer is made of polytetrafluoroethylene, and the thickness of the plastic layer is 3-8 mm.

The utility model discloses a metal material combines together with soft sealing material graphite and plastics as the framework material of sealing washer, when guaranteeing that the sealing washer has higher intensity, has increased the compression deformation rate of sealing washer, has combined the advantage of metal, graphite, plastics. The utility model discloses an among the sealing washer structure, inlay graphite material as a whole in the metal recess, the use of easy to assemble, the protruding degree of depth that sets up a little more than the metal level recess of graphite seal circle has further increased the whole compression deformation rate of sealing washer.

Drawings

Fig. 1 is a cross-sectional view of the composite material sealing ring according to the present invention;

fig. 2 is a schematic diagram of a metal layer and a graphite layer of the composite sealing ring of the present invention;

fig. 3 is a structural diagram of each layer of the composite material sealing ring of the present invention;

fig. 4 is a schematic longitudinal sectional view of the composite material sealing ring according to the present invention;

fig. 5 is a structure diagram of the graphite layer protrusion of the composite material sealing ring.

The metal-plastic composite material comprises a metal layer 1, a plastic layer 2, a graphite layer 3, a groove 101, a protrusion 301 and a bottom layer 302.

Detailed Description

The invention is further explained by the accompanying drawings and the embodiments.

Example 1

The utility model provides a combined material sealing washer, includes metal level 1, plastic layer 2, graphite layer 3, open at 1 both sides center of metal level has recess 101, and 3 symmetrical installations in recess 101 on graphite layer, the 3 outsides on 2 installation graphite layers on the plastic layer, the recess degree of depth 2mm, width 5 mm.

The metal layer 1 is made of stainless steel

The graphite layer 3 comprises protrusions 301 and a bottom layer 302, wherein the width of the protrusions 301 is the same as that of the grooves 101, and the height of the protrusions is 3 mm.

The plastic layer 2 is made of polytetrafluoroethylene and is 3mm thick.

Example 2

The utility model provides a combined material sealing washer, includes metal level 1, plastic layer 2, graphite layer 3, open at 1 both sides center of metal level has recess 101, and 3 symmetrical installations in recess 101 on graphite layer, the 3 outsides on 2 installation graphite layers on the plastic layer, the recess degree of depth 4mm, width 8 mm.

The metal layer 1 is made of chrome alum alloy.

The graphite layer 3 comprises protrusions 301 and a bottom layer 302, wherein the width of the protrusions 301 is the same as that of the grooves 101, and the height of the protrusions is 5 mm.

The plastic layer 2 is made of polytetrafluoroethylene and is 5mm thick.

Example 3

The utility model provides a combined material sealing washer, includes metal level 1, plastic layer 2, graphite layer 3, open at 1 both sides center of metal level has recess 101, and 3 symmetrical installations in recess 101 on graphite layer, the 3 outsides on 2 installation graphite layers on the plastic layer, the recess degree of depth 5mm, width 10 mm.

The material of the metal layer 1 is chromium-manganese alloy.

The graphite layer 3 comprises protrusions 301 and a bottom layer 302, wherein the width of the protrusions 301 is the same as that of the grooves 101, and the height of the protrusions is 6 mm.

The plastic layer 2 is made of polytetrafluoroethylene, and the thickness of the plastic layer is 8 mm.

Those of ordinary skill in the art will understand that: the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The utility model provides a combined material sealing washer, its characterized in that includes metal level (1), plastic layer (2), graphite layer (3), open at metal level (1) both sides center has recess (101), and graphite layer (3) symmetry is installed in recess (101), the plastic layer (2) installation graphite layer (3) outside, the recess degree of depth is 2-5mm, and the width is 5-10 mm.

2. The composite material sealing ring according to claim 1, wherein the metal layer (1) is made of stainless steel, silicon-manganese, chrome alum or chrome-manganese alloy.

3. The composite seal ring according to claim 1, wherein the graphite layer (3) comprises protrusions (301) and a bottom layer (302), and the protrusions (301) have the same width as the grooves (101) and a height of 3-6 mm.

4. The composite sealing ring according to claim 1, wherein the plastic layer (2) is made of polytetrafluoroethylene and has a thickness of 3-8 mm.

Images