CN216112138U

CN216112138U - Reinforced metal O-shaped sealing ring

Info

Publication number: CN216112138U
Application number: CN202121937499.0U
Authority: CN
Inventors: 蒋汉辉; 蒋汉东; 石川
Original assignee: Chengdu Hangruike Precision Machinery Co ltd
Current assignee: Chengdu Hangruike Precision Machinery Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-22
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a reinforced metal O-shaped sealing ring which comprises an O-shaped ring body with a cavity inside, a coating arranged on the outer side of the O-shaped ring body and an elastic body arranged in the cavity of the O-shaped ring body. The application provides a strenghthened type metal O type sealing washer, very big improvement the highest pressure that the product can bear, improved the resilience effect of product for the product can use repeatedly to a certain extent, still makes the product can use under the operating mode more complicated simultaneously, better promotion the progress of enterprise and trade.

Description

Reinforced metal O-shaped sealing ring

Technical Field

The application relates to the field of sealing rings, in particular to a reinforced metal O-shaped sealing ring.

Background

The metal O-shaped sealing ring is a hollow metal ring, the interior of the metal O-shaped sealing ring is hollow, and the outer ring is generally made of stainless steel or other alloy materials. The special material of the sealing ring can realize the requirements which cannot be met by other non-metal sealing elements, for example, in high-temperature, high-pressure and ultra-vacuum equipment and devices, only lower pretightening force is needed, even if the required sealing place is narrow or the shape is special, the sealing ring can change the shape of the sealing ring along with the narrow sealing place, and the sealing effect is effectively achieved. It is especially suitable for some equipment and device with compact structure and high sealing requirement.

However, the existing metal O-ring seal has the following disadvantages: 1. the sealing device is generally used in the middle-low load sealing working condition below 7 MPa; 2. the plastic deformation is large after installation, the rebound quantity is small after disassembly, and secondary use cannot be carried out; 3. the thickness is limited, so the strength is limited, and the plastic deformation is generated in the compression sealing process, so the elasticity is limited, and the leakage risk is higher under the use working conditions of temperature alternation, pressure alternation and strong vibration.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, this application provides a strenghthened type metal O type sealing washer, very big improvement the highest pressure that the product can bear, improved the resilience effect of product for the product can use repeatedly to a certain extent, still makes the product can use under the operating mode more complicated simultaneously, better promotion the progress of enterprise and trade.

The utility model provides a strenghthened type metal O type sealing washer, has the O type circle body of cavity including inside, sets up the cladding material in the O type circle body outside to and set up the elastomer in O type circle body cavity.

Preferably, the elastic body is a spring ring, a rubber ring, a teflon ring, a metal-wound ring, a metal rubber or an elastic filler.

Preferably, the spring coil is a spring made of the superalloy incoel 718(GH4269), inconel X-750(GH4145), NIMONIC90, or GH 605.

Preferably, the spring ring is a spring made of 304 stainless steel, 316 stainless steel, or 60Si2 Mn.

Preferably, the O-ring body is an annular metal ring with a cavity made of soft 304 stainless steel, 316 stainless steel, 310s high temperature stainless steel, inconel718(GH4269) high temperature alloy, inconel X-750(GH4145) high temperature alloy or GH605 super high temperature alloy.

Preferably, the coating is a metal coating or a non-metal coating.

Preferably, the metal plating layer includes gold plating, silver plating, copper plating, tin plating, and nickel plating.

Preferably, the non-metallic plating comprises a tetrafluoro plating.

Compared with the prior art, the embodiment of the application has the following beneficial effects:

the utility model provides a reinforced metal O-shaped sealing ring, which greatly improves the highest pressure which can be borne by a product, improves the rebound effect of the product, enables the product to be repeatedly used to a certain extent, enables the product to be used under more complicated working conditions, and better promotes the progress of enterprises and industries.

Additional features of the present application will be set forth in part in the description which follows. Additional features of some aspects of the present application will be apparent to those of ordinary skill in the art in view of the following description and accompanying drawings, or in view of the production or operation of the embodiments. The features disclosed in this application may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. Like reference symbols in the various drawings indicate like elements. Wherein the content of the first and second substances,

FIG. 1 is a cut-away view of the 3/4 configuration of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Description of reference numerals: 1. plating; 2. an O-ring body; 3. an elastomer.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that if the terms "first", "second", etc. are used in the description and claims of this application and in the above-described drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", etc. are referred to, their indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, in this application, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

As shown in fig. 1 to 3, the embodiment of the present application discloses a reinforced metal O-ring, which includes an O-ring body 2 having a cavity therein, a plating layer 1 disposed on an outer side of the O-ring body 2, and an elastic body 3 disposed in the cavity of the O-ring body 2.

The elastic body 3 is a spring ring, a rubber ring, a teflon ring, a metal winding ring, metal rubber or elastic filler.

When used at temperatures above 400 ℃, the coil is a spring made from the high temperature alloys inconel718(GH4269), inconel x-750(GH4145), NIMONIC90 or GH 605.

The spring coil is a spring made of 304 stainless steel, 316 stainless steel, or 60Si2Mn when used at temperatures below 400 ℃.

The elastic body can increase the rebound force in the product, so that the product can bear the pressure of more than 200MPa at most, and the product is also reliable whether bearing internal pressure or external pressure. In addition, due to the arrangement of the elastic body, the product can rebound by more than 50% after being installed, and further the product can be reused to a certain extent.

When the use temperature is below 400 ℃, the O-ring body 2 is an annular metal ring with a cavity, which is made of soft 304 stainless steel or 316 stainless steel.

When the use temperature is 400-600 ℃, the O-shaped ring body 2 is an annular metal ring with a cavity, which is made of soft 310s high-temperature stainless steel.

When the use temperature is 600-800 ℃, the O-shaped ring body 2 is an annular metal ring with a cavity, and the annular metal ring is made of inconel718(GH4269) high-temperature alloy and inconel X-750(GH4145) high-temperature alloy which are in soft state.

When the use temperature is 800-.

The coating 1 is a metal coating or a non-metal coating.

The metal plating layer comprises a gold plating layer, a silver plating layer, a copper plating layer, a tin plating layer and a nickel plating layer.

The non-metal coating comprises a tetrafluoro coating.

The plating layer may be specifically selected according to the sealing of a medium such as liquid, gas, plastic, microwave, radioactive substance, or the like.

Under the strong rebound action of the internal elastomer, the product can be perfectly used under the special working conditions of temperature alternation, pressure alternation and strong vibration.

In addition, the above-described embodiments are exemplary, and those skilled in the art, having benefit of this disclosure, will appreciate numerous solutions that are within the scope of the disclosure and that fall within the scope of the utility model. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. The utility model provides a strenghthened type metal O type sealing washer, its characterized in that, has O type circle body (2) of cavity including inside, sets up cladding material (1) in O type circle body (2) outside to and elastomer (3) of setting in O type circle body (2) cavity.

2. A reinforced metal O-ring according to claim 1, wherein said elastomer (3) is a spring ring, a rubber ring, a teflon ring, a metal wound ring, a metal rubber or an elastic filler.

3. The reinforced metal O-ring seal of claim 2 wherein said coil is a spring made of the high temperature alloys inconel718(GH4269), inconel x-750(GH4145), NIMONIC90 or GH 605.

4. The reinforced metal O-ring seal of claim 2 wherein said spring ring is a spring made of 304 stainless steel, 316 stainless steel or 60Si2 Mn.

5. The reinforced metal O-ring seal according to claim 1, wherein the O-ring body (2) is an annular metal ring with a cavity made of soft 304 stainless steel, 316 stainless steel, 310s high temperature stainless steel, inconel718(GH4269) high temperature alloy, inconel x-750(GH4145) high temperature alloy or GH605 ultra high temperature alloy.

6. A reinforced metal O-ring according to claim 1 wherein the coating (1) is a metallic or non-metallic coating.

7. The reinforced metal O-ring seal of claim 6 wherein said metal plating comprises gold plating, silver plating, copper plating, tin plating, and nickel plating.

8. The reinforced metal O-ring seal of claim 6 wherein said non-metallic coating comprises a tetrafluoro coating.