Laminar flow cover sealing structure

Abstract

The invention discloses a laminar flow cover sealing structure which comprises a box body. The box body is provided with a frame. An efficient filter and a blocking plate are arranged in the box body. The blocking plate is connected with the frame. First square grooves are formed in the bottom of the frame and are placed in the two ends of the efficient filter. The first square grooves correspond to inserting plates of the efficient filter in position. The lower ends of the inserting plates extend into the first square grooves filled with sealants. According to the laminar flow cover sealing structure, the sealants arranged in the first square grooves and second square grooves are matched with the inserting plates of the efficient filter and the blocking plate, gaps between the efficient filter and the frame and between the blocking plate and the frame on a laminar flow cover can be reliably sealed, leakage cannot happen, and accordingly cleanliness of a purifying zone is guaranteed.

Description

Technical field: [0001] The invention relates to a clean laminar flow hood, in particular to a sealing structure of a laminar flow hood. Background technique: [0002] The clean laminar flow hood is to pass the air through high-efficiency filtration at a certain wind speed to form a uniform flow layer, so that the clean air flow is vertical and unidirectional, thus ensuring the cleanliness required by the process in the work area and sending it into the work area. The clean laminar flow hood is an air purification unit that provides a local high-clean environment. It can be flexibly installed above the process points that require high cleanliness. It has been widely used in precision machinery, electronics, medical and other industries. The sealing performance of the laminar flow hood is a key factor to ensure the clean air sent into the work area. In the prior art, the sealing structure between the laminar flow hood and the high-efficiency air filter is not tight enough. Ge...

AI Technical Summary

Problems solved by technology

The sealing performance of the laminar flow hood is a key factor to ensure the clean air sent into the work area. In the prior art, the sealing structure between the laminar flow hood and the high-efficiency air filter is not tight enough. Generally, a sealing tape is pasted on the air outlet surface of the filter. Bolt fastening and sealing or adding sealant between the laminar flow hood and the high-efficiency filter, and relying on the high-efficiency filter’s own weight to compress and seal, both sealing methods will produce gaps, resulting in unreliable sealing effect and leakage, affecting the cleanliness of the purification area

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