CN210344281U

CN210344281U - Metal plate sealing gasket coated with fluororubber nanocomposite

Info

Publication number: CN210344281U
Application number: CN201920741776.7U
Authority: CN
Inventors: 章志宏
Original assignee: Nanjing Hongliang Rubber Plastic Co Ltd
Current assignee: Nanjing Hongliang Rubber Plastic Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-04-17
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to the technical field of sealing gaskets, and discloses a fluororubber nanocomposite coating metal plate sealing gasket, which solves the problems that the prior metal plate sealing gasket has poor thermal stability and corrosion resistance, and can generate abrasion after the sealing gasket is used for a long time, thereby causing oil leakage phenomenon and being difficult to be used for a long time, and comprises a metal substrate, wherein asbestos sheets are embedded at the two sides of the top and the bottom of the metal substrate, the surfaces of the metal substrate and the asbestos sheets are both coated with fluororubber paint, a sealing hole is arranged at the outer side of the metal substrate, a sealing ring is arranged at the inner side of the sealing hole, the sealing ring comprises a rubber matrix and nanometer powder, and the rubber matrix is internally embedded with the nanometer powder. The sealing ring can be extruded to be tightly attached to the component, the sealing performance is improved, and the service life is prolonged.

Description

Metal plate sealing gasket coated with fluororubber nanocomposite

Technical Field

The utility model belongs to the technical field of sealed the pad, specifically be fluororubber nanocomposite coating metal sheet sealed pad.

Background

The sealing gasket is a sealing spare part used for machines, equipment and pipelines as long as the fluid exists, and uses the materials with the sealing function inside and outside; the sealing gasket is made of metal or nonmetal plate material by cutting, punching or cutting, and is used for sealing connection between pipelines and between machine parts of machine equipment.

However, the existing metal plate sealing gasket has poor thermal stability and corrosion resistance, and after the sealing ring is used for a long time, the sealing ring can be abraded to cause oil leakage, so that the sealing ring is not easy to use for a long time.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a fluororubber nanocomposite coating metal sheet is sealed fills up, and the effectual sealed pad of present metal sheet of having solved, thermal stability and corrosion resistance are relatively poor to and after the sealing washer is used for a long time, can produce wearing and tearing, cause the oil leak phenomenon, the difficult problem of using for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: fluororubber nanocomposite coating metal sheet is sealed to be filled up, including the metal substrate, the asbestos piece has all been inlayed to metal substrate top bottom both sides, metal substrate and asbestos piece surface all scribble the fluororubber coating, the sealed hole has been seted up in the metal substrate outside, the sealing washer is installed to the sealed hole inboard, the sealing washer includes rubber matrix and nanometer powder, the rubber matrix is internal to have inlayed nanometer powder, the inboard position department that is located sealed hole middle part of metal substrate is seted up flutedly, the inflation compression pad is installed with the sealing washer junction to recess and sealed hole inboard, the metal substrate surface is located the sealed hole outside and has inlayed the collar, the mounting hole has been seted up all around to the.

Preferably, a supporting metal net is arranged in the rubber substrate, and anti-static metal particles are embedded in the supporting metal net.

Preferably, the sealing holes comprise a combustion chamber sealing hole and an oil port sealing hole, and the inner diameter of the combustion chamber sealing hole is larger than that of the oil port sealing hole.

Preferably, the number of the mounting holes is three, and the three mounting holes are arranged in a triangular shape.

Preferably, the groove is deep in the middle and shallow on two sides.

Preferably, the inner side of the mounting hole is provided with an internal thread.

Compared with the prior art, the beneficial effects of the utility model are that:

1) in the work, the components such as the fluororubber coating, the sealing hole, the sealing ring and the like are arranged, a coating film formed by the fluororubber coating has excellent thermal stability and chemical stability, and can still keep excellent mechanical properties under the medium conditions of high temperature, low temperature, acid, alkali, solvent and the like, compared with other coatings, the coating film has incomparable superiority in the fields of sealing, shock absorption, corrosion prevention and the like, the rubber matrix is internally embedded with the nano powder, and the nano powder is added into the rubber matrix, so that the performance (such as ageing resistance, high temperature resistance, wear resistance, chemical corrosion resistance, gas barrier property, antibacterial property and the like) of the composite material can be greatly improved in some aspects;

2) through being provided with components such as recess and inflation compression pad, when the oil leak that the long-term wearing and tearing of sealing washer caused, the inflation compression pad in the sealing washer outside is met oil and is expanded, can hug closely the part with the sealing washer extrusion, increases the leakproofness, and the better use of being convenient for through the use of asbestos piece, increases the resistant fuel performance of metal substrate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation structure of the groove of the present invention;

fig. 3 is a schematic structural view of the sealing ring of the present invention;

in the figure: 1. a metal substrate; 2. asbestos pieces; 3. a fluororubber coating; 4. sealing the hole; 5. a seal ring; 6. a groove; 7. an expanding compression pad; 8. installing a ring; 9. mounting holes; 51. a rubber base; 52. and (4) nano powder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-3, the present invention includes a metal substrate 1, wherein asbestos sheets 2 are embedded on both sides of the top and bottom of the metal substrate 1 to increase the fuel resistance, fluororubber coatings 3 are coated on the surfaces of the metal substrate 1 and the asbestos sheets 2, and the coating film formed by the fluororubber coatings 3 has excellent thermal stability and chemical stability, and can still maintain excellent mechanical properties at high and low temperatures and under the medium conditions of acid, alkali, solvent, etc.; compared with other coatings, the coating has incomparable advantages in the fields of sealing, shock absorption, corrosion resistance and the like, a sealing hole 4 is formed in the outer side of a metal substrate 1, a sealing ring 5 is installed on the inner side of the sealing hole 4, the sealing performance is improved, and the coating is convenient to use better, the sealing ring 5 comprises a rubber matrix 51 and nano powder 52, the nano powder 52 is embedded in the rubber matrix 51, the nano powder 52 is added into the rubber matrix 51, the performance of a composite material can be greatly improved in some aspects (such as ageing resistance, high temperature resistance, wear resistance, chemical corrosion resistance, gas barrier property, antibacterial property and the like), a groove 6 is formed in the position, located on the inner side of the middle part of the sealing hole 4, of the inner side of the metal substrate 1, the expansion compression pad 7 is convenient to place, the expansion compression pad 7 is installed at the joint of the inner side of the groove 6 and the sealing hole 4 and, the periphery of the metal substrate 1 is provided with mounting holes 9.

In the second embodiment, on the basis of the first embodiment, the rubber base 51 is provided with a supporting metal net in which anti-static metal particles are embedded, so that the supporting strength of the rubber base 51 is enhanced and static electricity is prevented.

In the third embodiment, on the basis of the first embodiment, the sealing hole 4 comprises a combustion chamber sealing hole and an oil port sealing hole, and the inner diameter of the combustion chamber sealing hole is larger than that of the oil port sealing hole, so that the normal use is facilitated.

In the fourth embodiment, on the basis of the first embodiment, the number of the mounting holes 9 is three, and the three mounting holes 9 are arranged in a triangular shape, so that the mounting is facilitated and the mounting strength is increased.

In the fifth embodiment, on the basis of the first embodiment, the groove 6 is deep in the middle and shallow on two sides, so that the use and installation of the expansion and compression cushion 7 are more convenient.

Sixth embodiment, on the basis of first embodiment, the inboard of mounting hole 9 is seted up there is the internal thread, is convenient for the better use of mounting hole 9.

The working principle is as follows: by using the fluororubber coating 3, a coating film formed by the fluororubber coating 3 has excellent thermal stability and chemical stability, and can still maintain excellent mechanical properties under the medium conditions of high temperature, low temperature, acid, alkali, solvent and the like; compare other coatings, there is incomparable superiority in fields such as sealed, shock attenuation, anticorrosion, rubber substrate 51 is embedded to have nanometer powder 52, nanometer powder 52 adds in rubber substrate 51, can promote combined material's performance greatly in some aspects (such as ageing resistance, high temperature resistant type, wearability, chemical resistance, gas barrier nature, bacterinertness etc.), during the use, when the oil leak that sealing washer 5 long-term wearing and tearing caused, inflation compression pad 7 in the sealing washer 5 outside expands, can be with the tight part of sealing washer 5 extrusion hugging closely, increase the leakproofness, be convenient for better use, through the use of asbestos piece 2, increase the fuel resistance of metal substrate 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Fluororubber nanocomposite coating metal sheet sealed pad, including metal substrate (1), its characterized in that: the utility model discloses a metal substrate (1) top end both sides all have inlayed asbestos piece (2), metal substrate (1) and asbestos piece (2) surface all scribble fluorine rubber coating (3), sealed hole (4) have been seted up in metal substrate (1) outside, sealing washer (5) are installed to sealed hole (4) inboard, sealing washer (5) include rubber substrate (51) and nanometer powder (52), rubber substrate (51) are embedded to have nanometer powder (52), metal substrate (1) inboard is located sealed hole (4) middle part inboard position department and sets up fluted (6), expansion compression pad (7) are installed with sealed hole (4) inboard and sealing washer (5) junction to recess (6), metal substrate (1) surface is located sealed hole (4) outside and has inlayed mounting ring (8), mounting hole (9) have been seted up all around to metal substrate (1).

2. The fluororubber nanocomposite-coated metal plate gasket according to claim 1, characterized in that: a supporting metal net is arranged in the rubber matrix (51), and anti-static metal particles are embedded in the supporting metal net.

3. The fluororubber nanocomposite-coated metal plate gasket according to claim 1, characterized in that: the sealing hole (4) comprises a combustion chamber sealing hole and an oil port sealing hole, and the inner diameter of the combustion chamber sealing hole is larger than that of the oil port sealing hole.

4. The fluororubber nanocomposite-coated metal plate gasket according to claim 1, characterized in that: the number of the mounting holes (9) is three, and the three mounting holes (9) are arranged in a triangular shape.

5. The fluororubber nanocomposite-coated metal plate gasket according to claim 1, characterized in that: the groove (6) is deep in the middle and shallow on two sides.

6. The fluororubber nanocomposite-coated metal plate gasket according to claim 1, characterized in that: the inner side of the mounting hole (9) is provided with an internal thread.