Telescopic block assembly and door opening-closing device

• Main Author: GAO SHAOFEI
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2019
• Subjects: CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; FIXED CONSTRUCTIONS; HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

The utility model provides a telescopic block assembly and a door opening and closing device, and the telescopic block assembly comprises a pedestal which comprises an accommodation cavity, and an opening of the accommodation cavity is located at a side surface of the pedestal; the moving block structure comprises a moving block and an elastic piece, at least part of the moving block is located inthe containing cavity, and the elastic piece is located in the containing cavity and abuts against the position between the moving block and the inner wall of the containing cavity so as to provide elastic force for the moving block. According to the technical scheme, the problem that in the prior art, a door opening and closing device is not tightly closed is effectively solved. 本实用新型提供了一种伸缩块组件及开关门装置，其中，伸缩块组件，包括：基座，基座包括容纳腔，容纳腔的开口位于基座的侧面；移动块结构，移动块结构包括移动块和弹性件，移动块至少部分地位于容纳腔内，弹性件位于容纳腔内并抵顶在移动块和容纳腔的内壁之间，以对移动块提供弹性力。本实用新型的技术方案有效地解决了现有技术中的开关门装置的关闭不严的问题。