Direct-current air filter structure and filter

• Main Authors: WU ZHI, TAN GUOYONG, ZHANG HUI
• Format: Patent
• Language: Chinese; English
• Published: 11.02.2022
• Subjects: BLASTING; COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

The utility model discloses a direct-current air filter structure and a filter, and belongs to the technical field of filters. The direct-current air filter structure comprises an outer shell sub-assembly, a honeycomb air filter element, a safety filter element and a rear cover. The air inlet and the air outlet are both formed in the outer shell, and a flaring structure is arranged at the air inlet. According to the utility model, the shell structure can be simplified, the use amount of molds is reduced, the production cost is reduced, the gas flow field is optimized, and the gas inlet flow resistance is reduced. 本实用新型公开了一种直流空滤结构和滤清器，属于滤清器技术领域。直流空滤结构包括外壳体分总成，蜂窝空滤芯，安全滤芯，后盖；所述进气口和出气口同在所述外壳体上，所述进气口处设置有扩口结构。本实用新型能够简化壳体结构，减少模具的使用量，降低生产成本，优化气体流场，降低进气流阻。