一种耐高温抗变形的O型密封圈结构

Abstract

本实用新型涉及O型密封圈技术领域，且公开了一种耐高温抗变形的O型密封圈结构，解决了现有的O型密封圈耐高温和抗变形效果不好的问题，其包括O型密封圈本体，O型密封圈本体由氟橡胶密封圈基体和回弹加固金属支撑体构成，回弹加固金属支撑体设于氟橡胶密封圈基体的内部，回弹加固金属支撑体由铝合金圆环、铝合金支撑圈、铝合金圆环板、若干铝合金弹性支撑臂一和若干铝合金弹性支撑臂二构成，铝合金圆环连接于铝合金支撑圈一侧的中间位置，铝合金圆环板连接于铝合金支撑圈另一侧的中间位置，铝合金弹性支撑臂一连接于铝合金支撑圈的顶端，铝合金弹性支撑臂二连接于铝合金支撑圈的底端；通过该O型密封圈，能够提高耐高温性能和抗变形效果。

Claims

1. A high temperature resistant and deformation resistant O-ring structure, comprising an O-ring body (1), characterized in that: The O-ring body (1) is composed of a fluororubber sealing ring substrate (2) and a spring-reinforced metal support (3). The spring-reinforced metal support (3) is embedded in the interior of the fluororubber sealing ring substrate (2). The spring-reinforced metal support (3) is composed of an aluminum alloy ring (4), an aluminum alloy support ring (5), an aluminum alloy ring plate (6), several aluminum alloy elastic support arms one (7) and several aluminum alloy elastic support arms two (8). The aluminum alloy ring (4) is fixedly connected to the middle position on one side of the aluminum alloy support ring (5). The aluminum alloy ring plate (6) is fixedly connected to the middle position on the other side of the aluminum alloy support ring (5). The aluminum alloy elastic support arm one (7) is fixedly connected to the top of the aluminum alloy support ring (5). The aluminum alloy elastic support arm two (8) is fixedly connected to the bottom of the aluminum alloy support ring (5).

2. The high temperature and deformation resistant O-ring structure of claim 1, wherein: The aluminum alloy elastic support arm one (7) and aluminum alloy elastic support arm two (8) are symmetrically arranged. Both aluminum alloy elastic support arm one (7) and aluminum alloy elastic support arm two (8) are arc-shaped structures. The ends of aluminum alloy elastic support arm one (7) and aluminum alloy elastic support arm two (8) that are away from the aluminum alloy support ring (5) are rounded and are attached to the surface of the aluminum alloy ring plate (6).

3. The high-temperature resistant and deformation-resistant O-ring structure according to claim 1, characterized in that: A spring (9) is fixedly installed between the aluminum alloy elastic support arm (7) and the aluminum alloy ring plate (6), and a spring (10) is fixedly installed between the aluminum alloy elastic support arm (8) and the aluminum alloy ring plate (6).

4. The high temperature and deformation resistant O-ring structure of claim 1, wherein: The outer and inner surfaces of the fluororubber sealing ring substrate (2) are both coated with Teflon (11).

5. The high temperature and deformation resistant O-ring structure of claim 1, wherein: A central annular groove (12) is provided in the middle of the interior of the fluororubber sealing ring substrate (2). A snap-fit ​​annular groove (13) is provided on one side of the interior of the fluororubber sealing ring substrate (2), which communicates with the central annular groove (12) and matches the aluminum alloy ring (4). A flat annular groove (14) is provided on the outer surface of the fluororubber sealing ring substrate (2), which communicates with the central annular groove (12) and matches the aluminum alloy ring plate (6).

6. The high-temperature and deformation-resistant O-ring structure of claim 5, wherein: The central annular groove (12) has a beveled structure near the flat annular groove (14), and the beveled side forms a receiving groove (15) between the aluminum alloy elastic support arm one (7) and the aluminum alloy elastic support arm two (8).

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