TWI558905B - Roller shutter - Google Patents

Description

Rolling shutter

The invention relates to a roller blind damper, in particular to a roller blind damper which can be automatically closed without electric power, so as to block the fire and smoke turbulence during a fire.

Generally, in the ventilation system ventilation ducts of tunnels, subways, MRT and public buildings, there is usually a damper that will normally open to maintain the convection of indoor and outdoor air. When the fire spreads, Blocking the turbulence of the fire and smoke will close the damper to reduce fire damage and ensure personnel escape from the fire.

Known damper structures, such as those disclosed in the patents of M288641, M283901, and I230220, are all louver type damper structures, which must be controlled by remote power to perform its closing operation, but in actual use. The following problems often occur:

1. When a fire alarm occurs, in an emergency situation, sometimes it is too late to close the damper, but it is impossible to start closing the damper due to power interruption.

2. The blinds of the damper are often not activated for a long time, and the pipelines and parts are easily eroded and rusted, resulting in failure to operate normally.

3, the damper uses the louver structure, its installation cost is high, and the configuration and maintenance of pipelines and parts are a considerable burden.

In view of this, the inventor of the present invention has finally completed the roller blind damper of the present invention after numerous research and improvement, that is, the object of the present invention is to provide a roller blind damper that can be closed without power supply, thereby achieving Block fire and smoke turbulence.

In order to achieve the above object of the present invention, the rolling damper of the present invention is connected to an inner frame inside an outer frame, and the upper side of the inner frame is pivotally connected to an upper end of a roller shutter door, and each of the roller shutter door The blades are stacked and folded into a folded state, and are fixed by a fuse element. The left, right and bottom sides of the inner frame are respectively provided with a spring piece, and the left and right sides of the inner frame are respectively provided with a top holding mechanism.

The inner frame is fixed in the outer frame and is composed of an upper frame piece, a lower frame piece, a left frame piece and a right frame piece.

The roller shutter door is composed of a plurality of blades, and each of the blades is provided with a ring hook portion on each side thereof, and the adjacent blades are hooked and joined by the ring hook portions to form a stackable folding door body. The upper end of the roller shutter door is pivotally connected to the upper frame.

The holding mechanism is fixed on one side of the inner frame for holding a side of the roller shutter door.

The left side of the left frame piece, the right frame piece and the lower frame piece are respectively provided with a plurality of clips for inserting and fixing the side edges of the corresponding elastic pieces.

The gap between the elastic piece and the left frame piece, the right frame piece and the plate surface of the lower frame piece is filled with at least one first expansion strip.

The above-mentioned holding mechanism includes an automatic return hinge and a top holding piece, and the first side piece of the automatic return hinge is fixed to the top holding piece and forms a movable side, and the second side piece of the automatic return hinge is The left frame piece and the right frame piece are fixed and form a fixed side.

In the above left frame piece, a front side piece is fixed on the front side thereof.

In the above right frame piece, a front side piece is fixed on the front side thereof.

The above-mentioned roller shutter door has a lower end connected to a base.

The fuse element comprises a fuse piece and a two-belt body, wherein one end of the strip body is fixed to the upper frame piece, and the other end of the strip body passes through a positioning hole of the fuse piece and is bent Folding forms a fixed end, and the fuse piece melts and breaks when heated to a predetermined temperature.

The inner frame and the gap between the inner frame and the outer frame are further filled with at least one second expansion strip.

A‧‧‧Rolling damper

1‧‧‧Front frame

2‧‧‧ inside frame

20‧‧‧ vacant space

21‧‧‧Upper frame

22‧‧‧Bottom frame

220, 230, 240‧‧‧ boards

221, 231, 241‧‧ ‧ clips

23‧‧‧Left frame

24‧‧‧Right frame

3‧‧‧Roller blade door

30‧‧‧Base

301‧‧‧ Ring Hook

31‧‧‧ blades

311, 312‧‧ ‧ ring hook

313‧‧‧ first side

314‧‧‧ second side

4‧‧‧Shrap

51‧‧‧First expansion strip

52‧‧‧Second expansion strip

6‧‧‧ Front flap

7‧‧‧Top organization

71‧‧‧Automatic return hinge

711‧‧‧ first side film

712‧‧‧Second side piece

72‧‧‧Top film

8‧‧‧Fuse components

80‧‧‧Fuse film

81‧‧‧Band body

801‧‧‧Positioning holes

The first figure is a schematic perspective view of the present invention installed on the outer frame.

The second figure is a perspective exploded view of the present invention.

The third figure is a perspective view of the present invention.

The fourth figure is a schematic view of the state in which the shutter door of the present invention is folded.

The fifth figure is a schematic view of the state in which the roller shutter door of the present invention is lowered.

The sixth figure is a schematic diagram of the operation of the shutter door of the present invention in the collapsed state.

Fig. 7 is a schematic view showing the operation of the shutter door of the present invention in a state in which the shutter door is lowered.

Figure 8 is a perspective view showing the state in which the roller shutter door of the present invention is lowered.

Referring to the first to fourth figures, the rolling damper A of the present invention is connected to an inner frame 2 inside an outer frame 1, and the upper side of the inner frame 2 is pivotally connected to the upper end of a roller shutter door 3, The blades 31 of the roller shutter door 3 are stacked and folded into a folded state, and are fastened and fixed by a fuse element 8. The left, right and bottom sides of the inner frame 2 are respectively provided with a elastic piece 4, and the elastic piece 4 is mounted thereon. A top holding mechanism 7 is provided corresponding to each of the left and right sides of the inner frame 2.

The inner frame 2 is fixed in the outer frame 1 and is composed of an upper frame piece 21 and a lower frame piece. 22, a left frame piece 23 and a right frame piece 24 enclose a frame body, and the inner frame has a transparent space 20 for convection and inflow of air, the left frame piece 23 and the right frame piece 24 And a plurality of clips 231, 241, 221 are disposed on both sides of the plate faces 230, 240, 220 of the lower frame piece 22 for inserting and fixing the side edges of the corresponding elastic piece 4, and the elastic piece 4 and the left frame are The gap between the sheet 23, the right frame piece 24 and the plate faces 230, 240, 220 of the lower frame piece 22 is filled with at least one first expansion strip 51.

The roller shutter door 3 is composed of a plurality of blades 31. Each of the blades 31 is provided with a ring hook portion 311, 312 on each side thereof, and the adjacent blades 31 are hooked with each other by the ring hook portions 311 and 312. A door body that can be stacked and folded, the upper end of the roller shutter door 3 is pivotally connected to the upper frame piece 21, and the lower end thereof is connected to an L-shaped base 30.

The holding mechanism 7 is fixed on the side of the inner frame 2 for holding the roller shutter door 3 after being lowered. The holding mechanism 7 includes an automatic return hinge 71 and a top holding The piece 72 (the torsion spring is provided in the automatic return hinge 71, which is a well-known conventional component, and thus is not disclosed in the figure), the first side piece 711 of the automatic return hinge 71 is fixedly connected with the top piece 72, and is formed. On a movable side, the second side panel 712 of the automatic return hinge 71 is fixed to the left frame piece 23 (the right frame piece 24) and forms a fixed side (see FIGS. 5 and 6). The holding piece 72 is held by a first side 313 of the blade 31 when the roller shutter door 3 is stacked in a folded state, and clamps the roller blind when the roller shutter door 3 is lowered. One side of the blade door 3.

The left frame piece 23 is fixed to the front side thereof with a front blocking piece 6 for limiting the second side edge 314 of the roller shutter door 3, and when the roller shutter door 3 is lowered. As the other side of the abutment.

The front frame 24 is fixed to the front side thereof with a front flap 6 for limiting the second side 314 of the roller shutter door 3 and when the roller shutter door 3 is lowered. As its other A side of the abutment.

The base 30 is provided with a ring hook portion 301 on one side thereof, and is engaged with the ring hook portion 312 of the lowermost end blade 31 of the roller shutter door 3.

The fuse element 8 includes a fuse piece 80 and a two-belt body 81. One end of the strip body 81 is fixed to the upper frame piece 21, and the other end of the strip body 81 passes through the fuse piece 80. The positioning hole 801 is bent and formed to form a fixed end, and the fuse piece 80 is melted and broken when heated to a predetermined temperature.

The inner frame 2 and the gap between the outer frame 1 and the outer frame 1 are further filled with at least one second expansion strip 52.

By the composition of the above-mentioned components, as shown in the first and sixth figures, in the case where there is no fire, the roller shutter door 3 is stacked in a folded state (the blade 31 is maintained in a horizontal position), and the molten ribbon is The 8 tie is fixed, and the top holding piece 72 is held by the first side 313 of the blade 31.

As shown in the fifth, seventh, and eighth diagrams, when the temperature of the fire field has reached the preset temperature after the fire occurs, the fuse piece 80 melts and breaks due to heat, and the shutter door 3 itself has an equivalent. The weight will be flipped downwards in a free fall mode (without power supply), so that the blades 31 are vertically flipped down, and the top holding piece 72 is pushed by the elastic force of the automatic return hinge 71. One side of the roller shutter door 3 is topped such that the other side thereof abuts against the front flap 6, and the top holding sheet 72 also catches the L-shaped base 30 at the lowermost end of the roller shutter door 3, The blade 31 of the roller shutter door 3 is not pulled up, and the left frame 23, the right frame 24 and the elastic piece 4 of the lower frame 22 are also thermally expanded by the first expansion bar 51. The outer frame is tightly held on the left and right sides and the bottom side of the roller shutter door 3; the gap between the inner frame 2 and the outer frame 1 is also sealed by the expansion of the second expansion bar 52. So that the entire rolling shutter A can be closed in the closed state. Block the effects of fire and smoke turbulence.

In summary, the shutter damper of the present invention is closed and operated, and the turbulence of blocking fire and smoke is quickly achieved in a manner that does not require electric power, thereby effectively solving the lack of the formula; further, the technical means of the present invention It is also unprecedented, so the invention is unique in its patent novelty and progressive requirements.

The specific embodiments of the present invention are intended to be illustrative only and not to limit the scope of the present invention to the above embodiments, without departing from the spirit of the invention and the following claims. In the case of various changes made, it is still within the scope of the invention.

A‧‧‧Rolling damper

1‧‧‧Front frame

3‧‧‧Roller blade door

30‧‧‧Base

7‧‧‧Top organization

71‧‧‧Automatic return hinge

72‧‧‧Top film

8‧‧‧Fuse components

Claims (8)

A rolling damper is connected to an inner frame of an outer frame, and an upper side of the inner frame is pivotally connected to an upper end of a roller shutter door, and the blades of the roller shutter door are stacked and folded into a folded state. And a fuse element is fixed by a fuse element, and a spring piece is disposed on each of the left side, the right side and the bottom side of the inner frame, and a top holding mechanism is disposed on each of the left and right sides of the inner frame, wherein: the inner frame is solid The frame is composed of an upper frame piece, a lower frame piece, a left frame piece and a right frame piece; the roller blade door is composed of a plurality of blades, each of which is Each side of the blade is provided with a ring hook portion, and the adjacent blades are hooked and joined by the ring hook portion into a stackable folding door body, and the upper end of the roller shutter blade door is pivotally connected with the upper frame piece; a holding mechanism fixed on one side of the inner frame for holding a side of the roller shutter door, the holding mechanism comprising an automatic return hinge and a top piece, the first side piece of the automatic return hinge Fixing with the top piece and forming a movable side, the second side piece of the automatic return hinge and the left frame piece, the right frame Fixed and form a fixed side. The rolling damper of the first aspect of the invention, wherein the left frame piece, the right frame piece and the side surface of the lower frame piece are respectively provided with a plurality of clips for the corresponding elastic piece The sides are embedded and fixed. The rolling damper of claim 1, wherein the gap between the elastic piece and the left frame piece, the right frame piece and the lower frame piece is filled with at least one first expansion strip. . The rolling damper of claim 1, wherein the left frame has a front flap fixed to a front side thereof. The rolling damper of claim 1, wherein the right frame has a front flap fixed to a front side thereof. The rolling damper of claim 1, wherein the lower end of the roller shutter door is connected to a base. The rolling damper of claim 1, wherein the fuse element comprises a fuse piece and a two-belt body, one end of the strip body being fixed to the upper frame piece, and the other end of the strip body Then passing through a positioning hole of the fuse piece and bending to form a fixed end, the fuse piece melts and breaks when heated to a preset temperature. The rolling damper of claim 1, wherein the gap between the inner frame and the outer frame is further filled with at least one second expansion strip.