阅读说明：本技术 一种可开裂自检的弹性密封圈 (Elastic sealing ring capable of being cracked and self-inspected ) 是由 何文军 田书洪 于 2021-09-07 设计创作，主要内容包括：本发明公开了一种可开裂自检的弹性密封圈,包括密封圈本体,所述密封圈本体包括内层和外层,所述密封圈本体包括基层,所述基层的顶部固定连接有耐高温层,所述耐高温层的顶部固定连接有第一耐磨层,所述基层的底部固定连接有抗老化层,所述抗老化层的底部固定连接有第二耐磨层,所述外层的内腔设置有导电丝,所述基层采用丁晴橡胶材质,所述密封圈本体呈环形状。本发明通过密封圈本体、内层、外层、基层、耐高温层、第一耐磨层、抗老化层、第二耐磨层和导电丝的配合使用,具备延长使用寿命的优点,能够有效的解决目前可开裂自检的弹性密封圈,耐磨和耐高温性能差,从而容易降低可开裂自检弹性密封圈使用时长的问题。(The invention discloses an elastic sealing ring capable of cracking and self-checking, which comprises a sealing ring body, wherein the sealing ring body comprises an inner layer and an outer layer, the sealing ring body comprises a base layer, the top of the base layer is fixedly connected with a high temperature resistant layer, the top of the high temperature resistant layer is fixedly connected with a first wear-resistant layer, the bottom of the base layer is fixedly connected with an anti-aging layer, the bottom of the anti-aging layer is fixedly connected with a second wear-resistant layer, an inner cavity of the outer layer is provided with conductive wires, the base layer is made of butadiene acrylonitrile rubber, and the sealing ring body is annular. According to the invention, through the matching use of the sealing ring body, the inner layer, the outer layer, the base layer, the high temperature resistant layer, the first wear-resistant layer, the anti-aging layer, the second wear-resistant layer and the conductive wire, the advantage of prolonging the service life is achieved, and the problem that the service life of the conventional elastic sealing ring capable of being cracked and self-checked is easy to reduce due to poor wear resistance and high temperature resistance.)

1. The utility model provides an elastic sealing ring of self-checking can ftracture, includes sealing washer body (1), its characterized in that: the sealing ring is characterized in that the sealing ring body (1) comprises an inner layer (2) and an outer layer (3), the sealing ring body (1) comprises a base layer (101), a top fixedly connected with high-temperature resistant layer (102) of the base layer (101), a top fixedly connected with first wear-resistant layer (103) of the high-temperature resistant layer (102), a bottom fixedly connected with anti-aging layer (104) of the base layer (101), a bottom fixedly connected with second wear-resistant layer (105) of the anti-aging layer (104), and an inner cavity of the outer layer (3) is provided with conductive wires (4).

2. The elastic sealing ring capable of cracking and self-checking according to claim 1, characterized in that: the base layer (101) is made of nitrile rubber, and the sealing ring body (1) is annular.

3. The elastic sealing ring capable of cracking and self-checking according to claim 1, characterized in that: the conductive wire (4) is made of red copper, and the diameter of the conductive wire (4) is 0.02 mm.

4. The elastic sealing ring capable of cracking and self-checking according to claim 1, characterized in that: the high-temperature resistant layer (102) is made of inorganic ceramic particles, and the first wear-resistant layer (103) is made of polyurethane acrylic acid.

5. The elastic sealing ring capable of cracking and self-checking according to claim 1, characterized in that: the anti-aging layer (104) is made of ethylene propylene diene monomer, the second wear-resistant layer (105) is a metal-based ceramic composite coating, and the inner layer (2), the outer layer (3), the base layer (101), the high-temperature-resistant layer (102), the first wear-resistant layer (103), the anti-aging layer (104) and the second wear-resistant layer (105) are of an integrally formed structure.

Technical Field

The invention relates to the technical field of sealing rings, in particular to an elastic sealing ring capable of being cracked and self-inspected.

Background

The sealing ring is also named as an O-shaped sealing ring, is a fitting for sealing action and mainly comprises a V-shaped sealing ring, a U-shaped ring, an O-shaped sealing ring, a rectangular sealing ring, a Y-shaped sealing ring, a hole YX-shaped sealing ring, a YX-shaped hole check ring, a shaft YX-shaped sealing ring and the like.

Disclosure of Invention

The invention aims to provide a cracking-capable self-inspection elastic sealing ring, which has the advantage of prolonging the service life and solves the problem that the existing cracking-capable self-inspection elastic sealing ring is poor in wear resistance and high temperature resistance, so that the service life of the cracking-capable self-inspection elastic sealing ring is easy to reduce.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an elastic sealing ring of self-checking can ftracture, includes the sealing washer body, the sealing washer body includes inlayer and skin, the sealing washer body includes the basic unit, the top fixedly connected with high temperature resistant layer of basic unit, the first wearing layer of top fixedly connected with on high temperature resistant layer, the bottom fixedly connected with anti-aging layer of basic unit, the bottom fixedly connected with second wearing layer on anti-aging layer, outer inner chamber is provided with the conductive filament.

Preferably, the base layer is made of nitrile rubber, and the sealing ring body is annular.

Preferably, the conductive wire is made of red copper, and the diameter of the conductive wire is 0.02 mm.

Preferably, the high-temperature resistant layer is made of inorganic ceramic particles, and the first wear-resistant layer is made of polyurethane acrylic acid.

Preferably, the anti-aging layer is made of ethylene propylene diene monomer, the second wear-resistant layer is a metal matrix ceramic composite coating, and the inner layer, the outer layer, the base layer, the high temperature resistant layer, the first wear-resistant layer, the anti-aging layer and the second wear-resistant layer are of an integrally formed structure.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the matching use of the sealing ring body, the inner layer, the outer layer, the base layer, the high temperature resistant layer, the first wear-resistant layer, the anti-aging layer, the second wear-resistant layer and the conductive wire, the advantage of prolonging the service life is achieved, and the problem that the service life of the conventional elastic sealing ring capable of being cracked and self-checked is easy to reduce due to poor wear resistance and high temperature resistance.

2. According to the invention, the high temperature resistant layer is arranged and made of inorganic ceramic particles, so that the high temperature resistance of the sealing ring body can be improved, the performance of the sealing ring body is more stable in use, the first wear-resistant layer and the second wear-resistant layer are arranged, the first wear-resistant layer is made of polyurethane acrylic acid, the second wear-resistant layer is a metal-based ceramic composite coating, the wear-resistant effect of the sealing ring body can be improved, the service life of the sealing ring body is prolonged, the anti-aging layer is arranged and made of ethylene propylene diene monomer, the anti-aging effect of the sealing ring body is improved, the service life of the sealing ring body is further prolonged, and the cracking inspection of the sealing ring body can be conveniently and regularly performed by arranging the conductive wires.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top cross-sectional view of the seal ring body of the present invention;

fig. 3 is a partial cross-sectional view of the seal ring body of the present invention.

In the figure: 1. a seal ring body; 2. an inner layer; 3. an outer layer; 101. a base layer; 102. a high temperature resistant layer; 103. a first wear resistant layer; 104. an anti-aging layer; 105. a second wear layer; 4. and (4) conductive wires.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, a crack-opening self-checking elastic seal ring comprises a seal ring body 1, the seal ring body 1 comprises an inner layer 2 and an outer layer 3, the seal ring body 1 comprises a base layer 101, a high temperature resistant layer 102 is fixedly connected to the top of the base layer 101, the high temperature resistant layer 102 is made of inorganic ceramic particles, the high temperature resistance of the seal ring body 1 can be improved, and the performance of the seal ring body 1 is more stable in use, a first wear-resistant layer 103 is fixedly connected to the top of the high temperature resistant layer 102, an anti-aging layer 104 is fixedly connected to the bottom of the base layer 101, the anti-aging layer 104 is made of ethylene propylene diene monomer, the anti-aging effect of the seal ring body 1 can be improved, the service life of the seal ring body 1 is further prolonged, a second wear-resistant layer 105 is fixedly connected to the bottom of the anti-aging layer 104, and by arranging the first wear-resistant layer 103 and the second wear-resistant layer 105, the first wear-resistant layer 103 is made of a polyurethane acrylic acid material, the second wear-resistant layer 105 is a metal-based ceramic composite coating and can improve the wear-resistant effect of the sealing ring body 1 so as to prolong the service life of the sealing ring body 1, the conductive wire 4 is arranged in the inner cavity of the outer layer 3, the sealing ring body 1 can be conveniently and regularly cracked and checked by arranging the conductive wire 4, the base layer 101 is made of butadiene acrylonitrile rubber, the sealing ring body 1 is annular, the conductive wire 4 is made of red copper, the diameter of the conductive wire 4 is 0.02 mm, the high-temperature-resistant layer 102 is made of inorganic ceramic particles, the first wear-resistant layer 103 is made of polyurethane acrylic acid, the anti-aging layer 104 is made of ethylene propylene diene monomer, the second wear-resistant layer 105 is a metal-based ceramic composite coating, and the inner layer 2, the outer layer 3, the base layer 101, the high-temperature-resistant layer 102, the first wear-resistant layer 103, the anti-aging layer 104 and the second wear-resistant layer 105 are of an integrally formed structure, through the cooperation use of sealing washer body 1, inlayer 2, skin 3, basic unit 101, high temperature resistant layer 102, first wearing layer 103, ageing resistance layer 104, second wearing layer 105 and conductive wire 4, possess increase of service life's advantage, can effectually solve the elastic seal circle of the self-checking that can ftracture at present, wear-resisting and high temperature resistance can be poor to reduce the problem when the elastic seal circle of the self-checking that can ftracture long-term use easily.

When the sealing ring is used, when whether the sealing ring body 1 cracks or not needs to be checked, the conductive wire 4 is conducted through an external power supply, the current is detected through the current sensor, once the current does not exist, the cracking of the sealing ring body 1 can be checked, the high-temperature resistant layer 102 is made of inorganic ceramic particles and can improve the high-temperature resistance of the sealing ring body 1, the performance of the sealing ring body 1 is more stable in use, the first wear-resistant layer 103 is made of polyurethane acrylic acid through the first wear-resistant layer 103 and the second wear-resistant layer 105 is made of metal-based ceramic composite coating, the wear-resistant effect of the sealing ring body 1 can be improved, the service life of the sealing ring body 1 is prolonged, the anti-aging layer 104 is made of ethylene propylene diene monomer rubber, and the anti-aging effect of the sealing ring body 1 can be improved, further prolong the life of sealing washer body 1.

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.