TWI672425B - fire-proof door - Google Patents

Abstract

A fire door suitable for discharging a hot air and comprising a frame unit and a door panel unit sandwiched in the frame unit. The frame unit includes two spaced outer frames, each of the outer frames having an elongated strip. The door panel unit includes a support frame extending from one of the clamping portions to the other clamping portion, and a plurality of fireproof plates respectively sandwiching the support frame from opposite sides of the support frame. The support frame has a first side and a second side respectively adjacent to the adjacent fireproof panels, a plurality of air chambers penetrating the first side and the second side, and a plurality of the first side to the first side The two side surfaces are recessed and respectively communicate with the outer side of the door panel unit and the outer grooves of the air chambers, so that the hot air can be discharged outwardly from the outer fireproof plates.

Description

fire-proof door

The present invention relates to a door having a special purpose, and more particularly to a fire door.

Fire doors are important facilities to prevent fire intrusion and provide personnel to escape. When the fire door is located in the fire for a long time, it may be deformed by the high temperature generated by the combustion, except that the gap between the fire door and the door frame is sufficient to allow the flame to pass, and the fire door is insulated from the flame, and the fire door is more likely Severely deformed and unable to open and close normally, but trapped personnel in the fire, causing personnel to fall into greater danger.

Accordingly, it is an object of the present invention to provide a fire door that is capable of removing hot gases and is not susceptible to deformation due to high temperatures in a fire field.

Therefore, the fire door of the present invention is suitable for discharging a hot gas, and comprises a frame unit and a door panel unit sandwiched in the frame unit.

The frame unit includes two spaced outer frames, each of the outer frames having a long strip-shaped clamping portion and a first extending portion extending from opposite sides of the clamping portion toward the other outer frame And a second extension, the first extensions and the second extensions of the outer frames respectively extending toward each other.

The door panel unit includes a support frame extending from one of the clamping portions to the other clamping portion, and a plurality of fireproof panels respectively sandwiching the support frame from opposite sides of the support frame. The support frame has a first side and a second side respectively adjacent to the adjacent fireproof panels, a plurality of air chambers penetrating the first side and the second side, and a plurality of the first side to the first side The two side surfaces are recessed and respectively communicate with the outer side of the door panel unit and the outer grooves of the air chambers, so that the hot air can be discharged outwardly from the outer fireproof plates.

The effect of the invention is that the hot gas can be discharged from the outer chambers of the outer wall of the door panel unit, so that the fire door has a good heat-discharging effect, and the fire door can be prevented from being heated. Damage or deformation, and improve the durability of the fire door.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1 and 2, a first embodiment of the fire door of the present invention is adapted to discharge a hot gas and includes a frame unit 1 and a door panel unit 2 interposed in the frame unit 1.

Referring to FIG. 1 to FIG. 3 , the frame unit 1 includes two spaced outer frames 11 , two reinforcing sheets 12 respectively sandwiched between the outer frames 11 and the door panel unit 2 , and four respectively attached to the frame The smoke preventing strips 13 on the outer side of the outer frame 11. Each of the outer frames 11 has a long-shaped clamping portion 111 and a first extending portion 112 and a second extending portion 113 extending from opposite sides of the clamping portion 111 toward the other outer frame 11. The first extensions 112 and the second extensions 113 of the outer frame 11 respectively extend toward each other, and the smoke prevention strips 13 are respectively attached to the first extensions 112 and Waiting outside the second extension 113.

The door panel unit 2 includes a support frame 21 extending from one of the clamping portions 111 of the frame unit 1 to the other clamping portion 111, and a plurality of support frames are respectively sandwiched from opposite sides of the support frame 21 21 fire board 22. The support frame 21 has a first side surface 211 and a second side surface 212 of the adjacent fireproof panels 22, a plurality of air chambers 213 extending through the first side surface 211 and the second side surface 212, and a plurality of The first side surface 211 is recessed toward the second side surface 212 and respectively communicates with the outer groove 214 of the outer side of the door panel unit 2 and the air chamber 213, and a plurality of recesses 214 from the first side surface 211 to the second side surface 212 The inner grooves 215 of the two adjacent gas chambers 213 are respectively connected.

The smoke strips 13 of the frame unit 1 can close the gap between the first embodiment and a matching door frame (not shown) to avoid the smoke generated during the fire from the first embodiment and the door frame. Intrusion can improve the effect of isolating smoke and prevent people from being bruised by smoke. It should be noted that the number of the smoke-proof strips 13 is not limited to four, and the frame unit 1 may include only two smoke-proof strips 13 respectively attached to the first extensions 112. Or two smoke-proof strips 13 respectively attached to the outside of the second extending portion 113, that is, the smoke-proof strips 13 can be attached only to one side of the first embodiment, and the smoke can be insulated. effect.

In the first embodiment, the material of the support frame 21 and the fireproof plates 22 may be a fireproof and flame resistant material such as a gypsum board, a magnesium oxide board, or a calcium silicate board, but this is not used in practice. To be limited, you can choose according to your needs. Since the fireproof panels 22 are often made of a material that is easily broken by a gypsum board or a magnesium oxide board, the outer frame 11 made of a metal such as iron or steel must be supported and fixed to improve the present. The durability of an embodiment.

In actual use, in order to improve the aesthetics of the first embodiment, or to match the decoration of the installation site, a panel (not shown) may be additionally attached to the surface of the fireproof panel 22, and the panels are The material may be a flame-resistant sheet, an engraving plate, a sandwich panel, or a steel plate. In the first embodiment, the reinforcing sheets 12 are made of galvanized iron, which can increase the overall structural strength of the first embodiment and prevent deformation of the first embodiment due to high temperature.

Referring to FIG. 4, when the fire occurs, the air chambers 213 of the door panel unit 2 can slow down the heating rate of the first embodiment due to the excellent heat insulation effect of the air, and furthermore, the use of the fireproof material can be saved. The amount and the weight of the first embodiment are alleviated. If the fire is not extinguished after a long time, the heat energy stored in the door panel unit 2 will gradually increase the temperature of the gas chambers 213, and the hot gas is formed, and the oil is moved upward by the low density of the hot air. The hot air can be discharged from the air chambers 213 along the inner grooves 215 and the outer grooves 214 in the direction indicated by the arrow in FIG. 4, thereby reducing the temperature of the first embodiment. It is possible to avoid damage or deformation of the first embodiment due to the influence of high temperature for a long time.

By designing the air chamber 213, the inner grooves 215 and the outer grooves 214, the average back temperature value can be maintained at 85 when the first embodiment is in the fire for 60 minutes. Below °C, the high temperature can be effectively isolated, and the first embodiment is effectively prevented from being damaged or deformed due to high temperature. It should be noted that the number, shape and position of the inner grooves 215 and the outer grooves 214 are not limited to the ones shown in the first embodiment, as long as the hot gas can be obtained from the first embodiment. The effect of discharging outward in the gas chamber 213 is sufficient.

Referring to FIG. 5, a second embodiment of the fire door of the present invention is substantially the same as the first embodiment. The difference is that the support frame 21 of the door panel unit 2 further has a plurality of second sides 212 from the first side to the first side. 211 recessed and respectively communicating with the outer groove 216 of the outer side of the door panel unit 2 and the air chamber 213, and a plurality of recesses 214 from the second side surface 212 to the first side surface 211, and respectively connecting the two adjacent air chambers Inner groove 217 of 213. Thereby, the hot gas can be discharged from the air chambers 213 along the inner grooves 215, the outer grooves 214, the inner grooves 217, and the outer grooves 216, so that the second The embodiment can quickly cool down and prolong the time of use of the second embodiment in a high temperature environment. It should be particularly noted that the number, shape and position of the inner grooves 217 and the outer grooves 216 are not limited to the embodiment shown in the second embodiment, and the hot gas can be obtained from the same. The effect of discharging outward in the gas chamber 213.

Referring to FIG. 6 to FIG. 8 , a third embodiment of the fire door of the present invention is substantially the same as the first embodiment. The difference is that the frame unit 1 includes two stickers attached to the frame unit 1 . The smoke preventing strips 13 on the surface of the second extending portion 113, and the frame unit 1 does not include the reinforcing sheets 12. In addition, the door panel unit 2 further includes an outer cover plate 23 attached to the first extension portion 112 of the frame unit 1. The frame unit 1 further includes a plurality of locking outer cover plates 23 and the same A latch 14 of an extension 112.

When it is required to match the door frame or other installation requirements of different thicknesses, or to adjust the fire resistance time of the third embodiment, the outer frame 11 of the frame unit 1 and the fireproof board of the door panel unit 2 may be first used. 22 and the support frame 21 are assembled in a common size, and the outer cover plate 23 of the door panel unit 2 is locked with the lock members 14 to make the adjustment of the size of the third embodiment easier. Resilience and reduced manufacturing costs. In the third embodiment, the outer cover plate 23 may be a fireproof material such as a gypsum board, a magnesium oxide board, or a calcium silicate board. However, the actual application is not limited thereto, and may be performed according to requirements. select.

Referring to FIG. 9, a fourth embodiment of the fire door of the present invention is substantially the same as the third embodiment. The difference is that the frame unit 1 of the fourth embodiment further includes the frame unit 1 respectively included in the same. The reinforcing sheets 12 between the outer frame 11 and the door panel unit 2 (only one of the outer frames 11 and one of the reinforcing sheets 12 are shown in FIG. 9 due to the viewing angle relationship). Increasing the overall structural strength of the fourth embodiment with the reinforcing sheets 12 can prolong the time during which the fourth embodiment can withstand high temperatures, and can delay the damage or deformation of the fourth embodiment due to the influence of high temperature.

In summary, the fire door of the present invention utilizes the hot gas from the air chambers 213 of the door panel unit 2 along the inner grooves 215, the outer grooves 214, the inner grooves 217, and the like. The outer groove 216 is discharged outward, so that the fire door has a good heat-dissipating effect, and the fire door can be prevented from being damaged or deformed by high temperature, and the durability of the fire door is improved, so that the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

1‧‧‧Border unit

11‧‧‧Front frame

111‧‧‧Clamping Department

112‧‧‧First Extension

113‧‧‧Second extension

12‧‧‧Strengthened film

13‧‧‧ smoke bars

14‧‧‧Locks

2‧‧‧door unit

21‧‧‧Support frame

211‧‧‧ first side

212‧‧‧ second side

213‧‧ ‧ air chamber

214‧‧‧ outer trench

215‧‧‧ Inside trench

216‧‧‧ outer groove

217‧‧‧ Inside groove

22‧‧‧ fire board

23‧‧‧Overlay

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: Figure 1 is a perspective exploded view illustrating a first embodiment of the fire door of the present invention; Figure 2 is a partial cross-sectional view FIG. 3 is a partially enlarged cross-sectional view showing one of the outer frames of the first embodiment; FIG. 4 is a schematic view showing a support frame of the first embodiment; Figure 5 is a perspective view showing the support frame of a second embodiment of the fire door of the present invention; Figure 6 is an exploded perspective view showing a third embodiment of the fire door of the present invention; Figure 7 is a partial cross-sectional view, FIG. 8 is a partially enlarged cross-sectional view showing one of the outer frames of the third embodiment; and FIG. 9 is a partially enlarged cross-sectional view showing a fourth embodiment of the fire door of the present invention. example.

Claims (10)

A fireproof door, suitable for discharging a hot gas, and comprising: a frame unit comprising two spaced outer frames, each outer frame having a long strip-shaped clamping portion and two opposite sides from the clamping portion a first extension portion and a second extension portion extending toward the other outer frame, the first extension portions and the second extension portions of the outer frame respectively extending toward each other; and a door panel unit Between the outer frames, and including a support frame extending from one of the clamping portions to the other clamping portion, and a plurality of fireproof plates respectively sandwiching the support frame from opposite sides of the support frame, the support The rack has a first side and a second side respectively adjacent to the adjacent fireproof panels, a plurality of air chambers extending through the first side and the second side, and a plurality of the first side to the second side The recesses are respectively connected to the outer side of the door panel unit and the outer grooves of the air chambers, so that the hot air can be discharged outwardly from the outer walls along the outer fire shields. The fire door of claim 1, wherein the support frame is further formed with a plurality of inner grooves recessed from the first side surface to the second side surface and respectively communicating the adjacent ones of the air chambers. The fire door according to claim 1, wherein the frame unit further comprises two reinforcing sheets respectively sandwiched between the clamping portions and the door panel unit. The fire door of claim 1, wherein the frame unit further comprises two smoke prevention strips respectively attached to the first extensions. The fire door of claim 1, wherein the support frame is further formed with a plurality of recesses from the second side toward the first side, and respectively communicating with the outer side of the door panel unit and the outer grooves of the air chambers. The fire door of claim 1 or 5, wherein the support frame is further formed with a plurality of inner grooves recessed from the second side toward the first side and respectively communicating the adjacent ones of the air cells. The fire door of claim 1 or 4, wherein the door panel unit further includes an outer cover panel attached to the second extension portion, the frame unit further comprising a plurality of the outer cover panels and the same a locking member of the second extension. The fire door according to claim 1, wherein the frame unit further comprises four smoke preventing strips respectively attached to the outside of the first extending portions and the second extending portions. The fire door of claim 1, wherein the fireproof board is selected from the group consisting of a gypsum board, a magnesium oxide board, a calcium silicate board, or a combination thereof. The fire door of claim 1, wherein the support frame is selected from the group consisting of gypsum board, magnesium oxide board, calcium silicate board, or a combination thereof.