快拆型消防排烟风管组件

Abstract

本实用新型涉及排烟风管技术领域，且公开了快拆型消防排烟风管组件，包括排烟管和固定在排烟管两端的第一法兰和第二法兰，还包括四个限位孔和四个限位杆，排烟管表面设置有沿着排烟管表面移动的滑动组件，四个限位孔呈环形等距开设在滑动组件上，第二法兰上环形等距设置有四组限位组件，四组限位组件内均设有沿着对应限位组件滑动的移动组件，四个限位杆分别设置在四组移动组件上，四组移动组件均通过环形圈进行连接，通过四个弹簧分别带动四个滑块回弹，使四个滑块沿着弧形杆移动并进入到限位孔内，通过四个滑块分别对四个弹簧挤压，使四根限位杆从限位孔内出去，不需要逐个拧紧或松开螺栓，从而方便工作人员安装和拆卸。

Claims

1. A quick-release type fire smoke exhaust duct assembly, comprising a smoke exhaust duct (1) and a first flange (2) and a second flange (3) fixed at both ends of the smoke exhaust duct (1), characterized in that: It also includes four limiting holes (4) and four limiting rods (5). The surface of the exhaust pipe (1) is provided with a sliding component (6) that moves along the surface of the exhaust pipe (1). The four limiting holes (4) are equidistantly arranged in a ring on the sliding component (6). The second flange (3) is provided with four sets of limiting components (7) equidistantly arranged in a ring. Each of the four sets of limiting components (7) is provided with a moving component (8) that slides along the corresponding limiting component (7). The four limiting rods (5) are respectively arranged on the four sets of moving components (8). The four limiting holes (4) and the four limiting rods (5) cooperate with each other. The four sets of moving components (8) are all connected by a ring (9).

2. The quick release fire service smoke evacuation hose assembly of claim 1, wherein: The sliding assembly (6) includes an annular plate (601) and four connecting rods (602). The annular plate (601) is sleeved on the exhaust pipe (1) and slides in cooperation with the surface of the exhaust pipe (1). The four connecting rods (602) are fixedly installed on the annular plate (601) at equal intervals in a ring. Four limiting holes (4) are respectively opened on the four connecting rods (602).

3. The quick release fire service smoke evacuation hose assembly of claim 1, wherein: The four sets of limiting components (7) include annular grooves (701) and arc rods (702). The four annular grooves (701) are equidistantly arranged in a ring on the second flange (3), and both ends of the arc rods (702) are fixedly connected to the inner wall of the annular grooves (701).

4. The quick-release fire exhaust duct assembly according to claim 3, characterized in that: Each of the four sets of moving components (8) includes a slider (801) and a spring (802). The spring (802) and the slider (801) are sleeved on the arc rod (702). One end of the spring (802) is fixedly connected to the inner wall of the annular groove (701), and the other end is fixedly connected to the slider (801). The slider (801) slides in cooperation with the annular groove (701) and the arc rod (702). One end of the slider (801) extends to the outside of the annular groove (701).

5. The quick release fire service smoke evacuation hose assembly of claim 4, wherein: The annular ring (9) is fixedly connected to the four sliders (801). The annular ring (9) is located outside the annular groove (701). The four limiting rods (5) are fixedly installed on the four sliders (801) respectively. The four limiting rods (5) are located outside the limiting groove.

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