Top cover for explosion-proof device

• Main Authors: TIAN CHUANG, WANG LI, CAO MENG, LIN BINGHONG, MOON SEUNG-YONG, LIN QIUWANG
• Format: Patent
• Language: Chinese; English
• Published: 01.09.2023
• Subjects: AMMUNITION; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The utility model provides a top cover for an explosion-proof device, which relates to the technical field of safety protection equipment and comprises an upper buffer layer and a lower buffer layer, a temperature-resistant layer is attached to the surface of the upper buffer layer, the upper buffer layer is connected with the bottom of the lower buffer layer, the top of the lower buffer layer is provided with a blind hole for pressure relief, and the blind hole is connected with the surface of the upper buffer layer. The lower buffer layer and the upper buffer layer define a stepped cavity, and different steps of the cavity are sleeved with the first fireproof layer and the second fireproof layer respectively. And destructive force generated by shock wave overpressure can be reduced. 本实用新型提出了一种用于防爆装置的顶盖，涉及安全防护设备技术领域，包括上缓冲层、下缓冲层，所述上缓冲层的表面贴合有耐温层，所述上缓冲层与下缓冲层的底部连接，所述下缓冲层的顶部设有用于泄压的盲孔，所述下缓冲层与上缓冲层围成呈阶梯式设置的腔体，所述第一防火层和第二防火层分别套设于腔体的不同阶梯。可以减小由于冲击波超压而产生的破坏力。