A sealing mechanism against gas exchange
A sealing mechanism and gas exchange technology, applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve the problems of inconvenient loading and unloading, large expansion and contraction of springs, poor sealing performance, etc., to avoid direct outward leakage, mechanical The effect of sealing mechanism realization, simple and convenient structure
Active Publication Date: 2018-04-20
玻尔量子(厦门)科技有限公司
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Problems solved by technology
[0004] (1) The spring of the compression mechanism is inconvenient to assemble and disassemble due to its large expansion and contraction size, and it is prone to fatigue as the number of uses increases, resulting in uneven pressure on the pressing block, which in turn leads to poor sealing performance
[0005] (2) During the use of the second sealing strip, it will be worn, and the gas will easily leak out from the worn port
[0006] (3) The pressing mechanism cannot directly provide space for installing thermal insulation cotton, resulting in a decrease in the thermal insulation performance of the furnace body
Method used
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Embodiment
[0034] figure 1 It is a schematic diagram of the overall structure of Embodiment 1 of the rotary pyrolysis furnace; figure 2 It is a schematic diagram of the structure of the connection part in the sealing mechanism for preventing gas exchange according to the first embodiment; image 3 It is a schematic diagram of the structure of the gas flow channel opening in the sealing mechanism for preventing gas exchange according to Embodiment 1; Figure 4 It is a schematic diagram of the structure of the guide wheel device defined in the sealing mechanism for preventing gas exchange according to the first embodiment; Figure 5 It is a structural schematic diagram of the briquetting block in the sealing mechanism for preventing gas exchange according to the first embodiment; Figure 6 It is a schematic structural view of the receiving block in the sealing mechanism for preventing gas exchange according to Embodiment 1; as Figure 1 to Figure 6 Shown, a kind of rotary pyrolysis furna...
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The invention relates to a sealing mechanism capable of preventing gas exchange, in particular to the sealing mechanism capable of preventing gas from being exchanged through a gap formed between a fixed part and a rotary part. The sealing mechanism comprises the fixed part (1), the rotary part (2), a bearing block (3), a pressing block (4), a supporting part (5) and a connecting rod (6). A sealing device (11) is arranged along the outer surface of the rotary part (2) to form a pressure regulating space (12) and is made from a flexible material. During work, when the pressure regulating space (12) is filled with a certain amount of gas, a certain pressure is generated and presses the pressing block. The gas is ingeniously stored through the pressure regulating space (12), and pressing sealing is achieved through the gas pressure generated in the pressure regulating space (12), so that the gas is prevented from being exchanged through the gap formed between the fixed part (1) and the rotary part (2). Besides, the pressing block (4) of the sealing mechanism is uniformly stressed, regulation is easy, the whole structure is simple, and the thermal insulation performance is high.
Description
technical field [0001] The invention relates to a sealing mechanism for preventing gas exchange, in particular to a sealing mechanism for preventing gas from being exchanged through the gap formed between a fixed part and a rotating body part. Background technique [0002] The invention of the application number 201510072445.5 published on June 24, 2015 discloses a sealing mechanism for preventing gas exchange. The present invention is a sealing mechanism for preventing gas exchange. block, a pressing block that rotates in clearance with the rotating part, and a pressing mechanism that is fixedly connected with the rotating part. The pressing block exerts pressure on the receiving block through the pressing mechanism; the receiving block is provided with a first sealing strip; the cavity of the pressing block Place the second sealing strip; the second sealing strip realizes the sealing of the first gap formed between the pressing block and the outer wall of the rotating part...
Claims
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IPC IPC(8): F16J15/24F16J15/06C02F11/10
CPCC02F11/10F16J15/06F16J15/24
Inventor 叶玉芳叶华健
Owner 玻尔量子(厦门)科技有限公司