TWM509260U - Blind type fireproof air tight gate structure - Google Patents

Description

Rolling shutter type fireproof airtight gate structure

The present invention is to provide a gate structure, and more particularly to a roller blind type fireproof airtight gate structure which can block the flow of heat in the event of a fire.

The occurrence of fires will not only cause major losses in property, but also the irreparable regrets of casualties. At present, the newly built buildings such as public buildings, hotels, restaurants, and residential buildings are all over the top, and they are mostly closed. Therefore, fire doors are installed in each pipe or fire zone to open the gates. The inside of the building and the outside air circulation reduce the feeling of sultry, thereby achieving the effect of ventilation, or closing the gate to prevent the fire from burning and reducing the damage of the fire, thereby achieving the effect of preventing the spread of the fire.

A conventional roller blind fire damper includes a frame and a plurality of blades that can be folded into the frame. The blades are connected to each other and suspended in the frame. In normal times, the blades are folded into the frame and utilize a fuse. The unit is positioned to open the gate structure. When a fire occurs and a high temperature is generated, the fuse is immediately blown, and the blades are gradually lowered, so that the blades can be unfolded downward to close the opening inside the frame, thereby closing the gate structure. However, the conventional roller blind type fire damper has a problem of poor airtightness, and it is difficult to ensure that the flow of the heat insulating airflow can be completely blocked.

Furthermore, the conventional roller blind type fire shutter can be connected by a screw locking or electric welding method, and the screw locking has the advantage of convenient installation, but the screw (such as self-tapping screw) is used to lock the screw. Through the frame of the duct and fire gate, Therefore, the screw will protrude into the inside of the frame, and when the blade is deployed downward due to a fire, it is easily blocked by the screw that protrudes into the frame, so that the blades cannot smoothly close the opening inside the frame, and thus the predetermined airtightness cannot be provided. effect.

In summary, the creator feels that the above-mentioned deficiencies can be improved. He has devoted himself to research and cooperates with the application of academics, and finally proposes a design that is reasonable in design and effective in improving the above-mentioned deficiencies.

The technical problem to be solved by the present invention is to provide a roller blind type fireproof and airtight gate structure, which can maintain better airtightness in the event of a fire to ensure that the flow of the heat insulating airflow can be completely blocked.

In order to solve the above technical problem, the present invention provides a roller blind type fireproof airtight gate structure, comprising: a frame having an outer wall and an inner wall, an inner side of the inner wall is formed with an opening; and a plurality of blades, The blades are interconnected, and the blades can be folded and unfolded into the opening of the frame, and an expansion strip is disposed between the blades and the frame.

Preferably, the expansion strip is provided with two, and the two expansion strips are fixed to both sides of the inner wall of the frame.

Preferably, the opposite sides of the frame are formed with two connecting flanges, and the connecting flanges are elongated, and each of the connecting flanges has an outer surface and an inner surface.

The present invention has at least the following advantages: the blade of the present invention is provided with an expansion strip between the blade and the frame, and in the event of a fire, the expansion bar expands due to heat, thereby filling the gap between the frame and the blade, thereby further Block the circulation of smoke and airflow to prevent the spread of fire.

Further, the gate structure of the present invention is provided with a connecting flange on the frame, so that the connecting flange and the air duct are connected by the connecting flange, so that the screw does not protrude into the frame, and the screw top only protrudes into the connecting convexity on both sides of the frame. Inside the rim, the attachment flange and the screw can be located outside of the range of motion of the blades.

When a fire occurs, the blades are not blocked by the screws when they are deployed downward, so that the blades can smoothly close the opening inside the frame. The creation of the gate structure can withstand high temperatures and maintain a good airtightness to ensure that the flow of the insulated airflow can be completely blocked.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and description, and are not intended to limit the creation.

1‧‧‧Frame

11‧‧‧ openings

12‧‧‧ outer wall

13‧‧‧ inner wall

14‧‧‧Connecting flange

141‧‧‧ outer surface

142‧‧‧ inner surface

15‧‧‧ bottom card

151‧‧‧ Guided slope

L‧‧‧ center line

2‧‧‧ leaves

21‧‧‧Connecting components

22‧‧‧Expansion strip

23‧‧‧Shrap

24‧‧‧Clock Department

3‧‧‧Fuse unit

4‧‧‧ duct

5‧‧‧ screws

10‧‧‧Support institutions

101‧‧‧ blade support

102‧‧‧Flexible components

103‧‧‧Block

Figure 1 is a perspective view of the structure of the fireproof airtight gate.

Figure 2 is a front view of the structure of the fireproof airtight gate.

Figure 3 is a plan view showing the expansion strip provided on the inner side of the creation frame.

Figure 4 is a cross-sectional view showing the inside of the creation frame with an expansion strip.

Figure 5 is a schematic view showing the combination of the bottom of the blade and the frame.

Fig. 6 is a perspective view showing the structure of the fireproof and airtight gate structure connecting the air duct.

Fig. 7 is a plan view showing another embodiment of the structure of the fireproof airtight gate.

[First Embodiment]

Referring to FIG. 1 and FIG. 2, the present invention provides a roller blind type fireproof airtight gate structure including a frame 1 and a plurality of blades 2. The frame 1 may have a rectangular shape, and the shape of the frame 1 is not limited, and may be changed correspondingly according to the shape of the duct. The construction of the frame 1 is also not limited and may be composed of one, two or several components. An opening 11 is formed in the frame 1 , and the opening 11 extends through opposite sides of the frame 1 to allow airflow through when the gate structure is opened.

The frame 1 has an outer wall 12 and an inner wall 13 respectively. The outer wall 12 and the inner wall 13 are respectively located at the outer edge and the inner edge of the frame 1, and the opening 11 is formed at the inner side of the inner wall 13. Preferably, two opposite sides of the frame 1 are formed with two connecting flanges 14, and the connecting flanges 14 In the form of a strip, the two connecting flanges 14 on each side of the frame 1 are located on opposite sides of the opening 11. The connecting flanges 14 extend a distance away from the frame 1 , and the height at which the connecting flanges 14 protrude is not limited, and may be increased or decreased as needed. The connecting flanges 14 protrude from the two of the frames 1 . Side, can be used to connect the duct.

The attachment flange 14 has an outer surface 141 and an inner surface 142, the outer surface 141 and the inner surface 142 being located at the outer and inner edges of the attachment flange 14, respectively. When one end of the duct is sleeved outside the connecting flange 14 of the frame 1, the inner edge of the duct can be in contact with the outer surface 141 of the connecting flange 14. In the present embodiment, the outer surface 141 of the connecting flange 14 is closer to the center line L of the frame 1 than the outer wall 12 of the frame 1, so that the connecting flange 14 forms a stepped shape with the frame 1 to facilitate the air duct. Socket positioning. However, the connecting flange 14 can also be omitted.

The blades 2 are arranged in the upper and lower openings 11 of the frame 1. The blades 2 are connected to each other, that is, the connecting elements 21 are formed between the adjacent two blades 2, so that the blades 2 are The connecting elements 21 can be connected to each other such that the blades 2 can be folded and unfolded into the opening 11 of the frame 1. The uppermost blade 2 can be fixed to the top inner edge (inner wall 13) of the frame 1 so that the blades 2 can be suspended in the frame 1. The blades 2 are folded at the near upper end in the opening 11 of the frame 1 in a normal state, that is, the blades 2 are sequentially folded and brought together, so that the opening 11 of the frame 1 is opened, thereby opening the blade Gate structure. When a fire occurs, the blades 2 can be gradually lowered, allowing the blades 2 to be deployed downwardly to close the opening 11 inside the frame 1, thereby closing the gate structure.

As shown in FIG. 3 and FIG. 4, the expansion strips 22 may be further disposed between the blades 2 and the frame 1. The number of the expansion bars 22 is not limited. This embodiment discloses that two expansion bars 22 are provided. The expansion strip 22 is made of a material that is heated and expanded, and the expansion strip 22 can be fixed to the frame 1 by adhesion, engagement, riveting or shrapnel. In this embodiment, the two expansion strips 22 are respectively fixed to the two sides of the inner wall 13 of the frame 1 by the elastic piece 23, that is, the two elastic pieces 23 are fixed to the inner side of the frame 1, and the elastic piece 23 can be snapped, riveted or screwed. The solid mode (figure omitted) is fixed to the inner side of the frame 1, and the two expansion bars 22 is sandwiched between the two elastic pieces 23 and the inner wall 13 of the frame 1 such that the two expansion bars 22 are located between the two sides of the blades 2 and the frame 1. When the blade 2 is unfolded due to a fire, the expansion bar 22 expands due to heat and the pushing elastic piece 23 moves toward the blade 2, thereby filling the gap between the frame 1 and the blade 2.

As shown in FIG. 5 , the present invention can further provide an engaging portion 24 on the lowermost blade 2 , and the engaging portion 24 can be bent in an L shape or the like, and a bottom latch 15 is disposed on the inner side of the bottom of the frame 1 . The bottom cassette 15 has a guiding slope 151. When the fire occurs, the blades 2 are unfolded, and the engaging portion 24 can be moved downward by the guiding slope 151 and engaged with the bottom buckle 15 to maintain better airtightness to ensure complete insulation resistance. The rogue.

The gate structure of this embodiment may further include a fuse unit 3 for activating the gate structure. The fuse unit 3 is disposed inside the frame 1, and the fuse unit 3 has a fuse (not shown). The fuse unit 3 is formed in a strip shape so that the fuse unit 3 can be wound around the outside of the blades 2 in the folded state. The blades 2 are restrained by the fuse unit 3 and fixed in a folded state, thereby opening the gate structure. However, the type and configuration of the fuse unit 3 of the present invention are not limited, and may be various existing fuse units for binding and fixing the folded blades 2, and the fuse unit 3 may be fired when a fire occurs to generate a high temperature. Blowing, the blades 2 are released and deployed downward to close the gate structure.

[Second embodiment]

Referring to FIG. 6 , the gate structure of the present invention can be connected to the two air ducts 4 , and one end of the two air ducts 4 can be sleeved on the outer surface 141 of the connecting flanges 14 of the frame 1 so as to be inserted through the screws 5 . The connecting flange 14 of the air duct 4 and the frame 1 , the screw 5 can be a self-tapping screw or the like, and the screw 5 can penetrate the outer surface 141 and the inner surface 142 of the connecting flange 14 of the air duct 4 and the frame 1 to make the air duct 4 is connected to the frame 1 of the gate structure to complete the assembly of the duct 4 and the gate structure. When a fire occurs to generate a high temperature, the fuse unit 3 is immediately blown, and the blades 2 are gradually lowered by their own weight, so that the blades 2 can be deployed downward to close the opening 11 inside the frame 1, thereby Close the gate structure.

[Third embodiment]

Referring to FIG. 7, the gate structure of the present invention may further include a supporting mechanism 10 disposed on the frame 1, and the supporting mechanism 10 is disposed on a side of the blades 2 facing away from the airflow. The support mechanism 10 includes a blade support member 101, an elastic member 102 and a blocking piece 103. One end of the blade support member 101 is pivotally connected to the frame 1, so that the blade support member 101 can swing freely. The elastic member 102 is coupled between the frame 1 and the blade support 101, and the elastic member 102 can pull the blade support 101 to be elastically positioned. The blocking piece 103 is located above the blade supporting member 101, and the blocking piece 103 is fixed to the frame 1. When the elastic member 102 pulls the blade supporting member 101 to swing upward, the blocking piece 103 can be used to stop the positioning, so that the blade supporting member 101 swings. Will not exceed the predetermined angle.

When the fire occurs, the blades 2 are released and deployed downward, the blades 2 will push the blade support 101 downward, so that the blades 2 can be smoothly deployed downward to close the gate structure. Then, the elastic member 102 can pull the blade support member 101 to swing upward, so that the blade support member 101 abuts against one of the blades 2, thereby supporting the blades 2 to prevent the blades 2 from being blown by the airflow. It reliably blocks the flow of smoke and airflow to achieve better protection against the spread of fire.

The gate structure of the present invention is mainly provided with an expansion strip 22 between the blades 2 and the frame 1. In the event of a fire, the expansion strip 22 expands due to heat, thereby filling the gap between the frame 1 and the blade 2. In turn, the circulation of smoke and airflow is blocked to achieve better prevention of the spread of the fire.

Furthermore, the present invention can further provide the frame 1 with a connecting flange 14 for connecting the frame 1 and the air duct 4 by the connecting flange 14, so that the screw 5 does not protrude into the frame 1, and the screw 5 only protrudes at most. Inside the connecting flange 14 on both sides of the frame 1, the connecting flange 14 and the screw 5 can be located outside the range in which the blades 2 operate.

Therefore, when the fire occurs, the blades 2 are not deployed by the screws 5 when they are deployed downward, so that the blades 2 can smoothly close the opening 11 inside the frame 1. The creation gate structure can withstand high temperatures and maintain better air tightness to ensure that Completely block the flow of the insulated airflow.

However, the above description is only the preferred embodiment of the present invention, and it is not intended to limit the scope of patent protection of this creation. Therefore, the equivalent changes made by using this creation specification and the contents of the schema are all included in the right of this creation. Within the scope of protection, it is given to Chen Ming.

1‧‧‧Frame

11‧‧‧ openings

12‧‧‧ outer wall

13‧‧‧ inner wall

14‧‧‧Connecting flange

141‧‧‧ outer surface

142‧‧‧ inner surface

15‧‧‧ bottom card

151‧‧‧ Guided slope

2‧‧‧ leaves

21‧‧‧Connecting components

22‧‧‧Expansion strip

23‧‧‧Shrap

3‧‧‧Fuse unit

Claims (10)

A roller blind type fireproof airtight gate structure comprises: a frame having an outer wall and an inner wall, an inner side of the inner wall is formed with an opening; and a plurality of blades, the blades are connected to each other, the blades Can be folded and unfolded in the opening of the frame, and an expansion strip is disposed between the blades and the frame. The roll-type fire-resistant airtight gate structure according to claim 1, wherein the expansion bar is provided with two, and the two expansion bars are fixed to both sides of an inner wall of the frame. The roll-type fire-resistant airtight gate structure according to claim 2, wherein the two expansion bars are respectively fixed to both sides of the inner wall of the frame by elastic pieces. The roll-type fire-resistant airtight gate structure according to claim 1, wherein the opposite sides of the frame are respectively formed with two connecting flanges, the connecting flanges are elongated, and the connecting flanges each have an outer shape. Surface and an inner surface. The roller blind type fire and airtight gate structure according to claim 4, wherein an outer surface of the connecting flange is closer to a center line of the frame than an outer wall of the frame. The roll-type fire-resistant airtight gate structure according to claim 4, further comprising two air ducts, one end of the two air ducts being sleeved on an outer surface of the connecting flanges of the frame, and the other is screwed The two air ducts and the connecting flanges of the frame. The roll-type fire-resistant airtight gate structure according to claim 1, wherein the blades are arranged in an upper and lower arrangement in the opening of the frame, and the uppermost blades are fixed on the top inner edge of the frame, and the blades are folded. Close to the upper end of the opening in the frame. The roll-type fire-proof airtight gate structure according to claim 7, wherein the lowermost blade is provided with an engaging portion, and the bottom of the bottom of the frame is provided with a bottom latch having a guiding slope, the blades When unfolded, the engaging portion and the bottom tab are engaged with each other. The roll-type fire-resistant airtight gate structure according to claim 1, further comprising a fuse unit formed in an elongated shape, the fuse unit being wraparound outside the folded blades. The roll-type fire-resistant airtight gate structure according to claim 1, further comprising a supporting mechanism, wherein the supporting mechanism comprises a blade supporting member, an elastic member and a blocking piece, wherein one end of the blade supporting member is pivotally connected thereto a frame member, the elastic member is coupled between the frame and the blade support member, the baffle is located above the blade support member, and the baffle is fixed to the frame, and when the blades are deployed, the blade support member is topped Corresponding to one of the blades.