一种人防门装配调试装置
By using a slide rail and slider guide, a screw drive and motor-driven sprocket-chain system, combined with a quick-locking and elastic buffering mechanism for the slots and blocks, the problem of operational complexity in the assembly of air defense doors has been solved, and efficient and stable assembly of multiple models of air defense doors has been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING TONGJIANG CIVIL AIR DEFENSE ENG EQUIP CO LTD
- Filing Date
- 2025-06-04
- Publication Date
- 2026-07-17
AI Technical Summary
The assembly process of existing air defense doors is complex, especially the connection between the door panel and the door frame, which requires repeated adjustments and affects the overall assembly rhythm.
It adopts a slide rail and slider guide structure, a lead screw and lead screw nut drive, and a motor-driven sprocket-chain drive system, combined with a quick locking mechanism for the slot and block and an elastic buffer locking mechanism, to achieve multi-directional position adjustment and quick connection.
It improves the continuity and efficiency of the assembly of air-raid shelter doors, reduces the complexity of operation, and enhances the adaptability to various models of air-raid shelter doors and the stability of the assembly process.
Smart Images

Figure CN224508911U_ABST
Abstract
Claims
1. A device for assembling and adjusting a civil defense door, characterized in that, include: Framework (2); At least one set of slide rails (4) are fixedly connected to the side end of the frame (2); At least one set of sliders (5), the sliders (5) are slidably connected to the slide rail (4), and the upper end of the slide rail (4) is fixedly connected to a connecting plate (6). At least one set of adjustment mechanisms, the adjustment mechanism including a slot (3), a first telescopic rod (11) and a locking block (12), the slot (3) being opened at the side end of the frame (2), the first telescopic rod (11) being fixedly connected to the side end of the connecting plate (6), the locking block (12) being fixedly connected to the output end of the first telescopic rod (11), and the locking block (12) engaging with the slot (3); A civil defense door frame (22), wherein the civil defense door frame (22) is connected to the side end of the connecting plate (6), and the side end of the door panel (23) is rotatably connected with a notch (24); and A snap-fit mechanism is provided between the connecting plate (6) and the door panel (23) to connect the door panel (23).
2. The air defense door assembly and debugging device according to claim 1, characterized in that: The locking mechanism includes a notch (24), a second mounting base (14), a second telescopic rod (15), and a protrusion (16). The notch (24) is located on the side of the air-raid shelter door frame (22). The second mounting base (14) is fixedly connected to the side of the connecting plate (6). The second telescopic rod (15) is fixedly connected to the side of the second mounting base (14). The protrusion (16) is fixedly connected to the output end of the second telescopic rod (15). The protrusion (16) is locked with the notch (24).
3. The air defense door assembly and debugging device according to claim 2, characterized in that: The frame (2) is fixedly connected to a first mounting base (7) on its side end. The first mounting base (7) is rotatably connected to a lead screw (8) on its side end. The lower end of the connecting plate (6) is fixedly connected to a fixing plate (10). The side end of the fixing plate (10) is fixedly connected to a lead screw nut (9). The lead screw nut (9) is connected to the lead screw (8).
4. The air defense door assembly and debugging device according to claim 3, characterized in that: A motor (18) is fixedly connected to the side end of the frame (2), and a first sprocket (19) is fixedly connected to the output end of the motor (18). A second sprocket (20) is fixedly connected to the side end of the lead screw (8), and a chain (21) is rotatably connected to the circumferential surface of the second sprocket (20) and the first sprocket (19).
5. The air defense door assembly and debugging device according to claim 4, characterized in that: The circumferential surface of the protrusion (16) is fitted with a second spring (17), and the circumferential surface of the first telescopic rod (11) is fitted with a first spring (13).
6. The air defense door assembly and debugging device according to claim 5, characterized in that: The lower end of the frame (2) is fixedly connected to the L-frame (1), and the snap-fit mechanism is provided in two sets, which are distributed vertically.