JP5915136B2 - Panel detachable smoke barrier and panel detachable smoke barrier - Google Patents

Description

  The present invention relates to a smoke barrier wall that temporarily blocks the flow of smoke generated during a fire or the like.

  Conventionally, smoke ceiling walls have been provided on the ceilings of buildings such as office buildings and shopping malls, and glass plates are usually used for the smoke barrier walls so as not to obstruct visibility. . In such a smoke-proof wall using a glass plate, a ceiling rail with a substantially U-shaped cross-section opened downward is extended to the ceiling, and the upper end of the glass plate is fitted to the inner side surface of the ceiling rail. There is a method in which a glass plate is suspended from a ceiling rail, a vertical is suspended and fixed to the ceiling rail, a lower support member is attached to the lower end of this vertical, and the glass plate is supported from below by this lower support member. It is general (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 11-076442 JP 2008-220453 A

  However, in the smoke proof wall described in Patent Document 1, the glass plate is heavy and the fitting structure of the glass plate to the ceiling rail is complicated. There is a problem that it is troublesome to replace the glass plate when cleaning or when the glass plate is broken. Moreover, when a glass plate is damaged, it is necessary to be careful not to get hurt by the broken glass plate. Moreover, in the smoke-proof hanging wall described in Patent Document 1, when removing the glass plate from the ceiling rail, it is necessary to cut the fixing member attached to the glass plate, so the fixing member for the glass plate removed from the ceiling rail is used. There is also a problem that it cannot be reused.

  Therefore, in Patent Document 2, instead of a heavy glass plate, it is considered to use a panel in which a glass frame reinforced resin sheet is stretched on a rectangular frame for the smoke proof wall, and to reduce the weight of the smoke proof wall. Yes. However, the smoke proof wall described in Patent Document 2 has a large number of parts and many steps for attaching these parts, so there is still room for improvement from the viewpoint of simplifying the attachment and removal of the panel.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a panel detachable smoke barrier and a panel detaching method for the panel removable smoke proof wall that can be easily attached and detached.

  The panel detachable smoke proof wall according to the present invention includes a panel in which a fiber reinforced sheet is stretched on a rectangular frame, a ceiling rail that extends from the ceiling surface and suspends the panel, and a ceiling rail A panel detachable smoke proof wall having a detachable mounting member for mounting the panel, wherein the mounting member is disposed on the front and back surfaces of the panel and is inclined downwardly from the upper end of the panel while being inclined away from the panel The ceiling rail includes a fixed portion fixed to the ceiling, a pair of opposing side wall portions that extend downward from the fixed portion and form an insertion space into which the upper end of the panel is inserted, A pair of opposing lower protrusions that project from the lower end of the side wall toward the other opposing side wall, and when the upper end of the panel is inserted into the insertion space, Side wall above the side protrusion A pair of opposing upper protruding portions that protrude toward the other opposing side wall portion, and the separation width of the pair of opposing upper protruding portions is wider than the thickness of the panel and the pair of opposing lower protruding portions. It is characterized by being narrower than the separation width of the side protrusions.

  In the panel detachable smoke barrier according to the present invention, the pair of support portions extend downward from the upper end portion of the panel while inclining in a direction away from the panel so as to open with respect to the panel. When the panel is inserted between the formed pair of lower protruding portions, the pair of support portions are locked to the pair of lower protruding portions, and the panel is suspended from the ceiling rail. Thereby, a panel can be attached to a ceiling rail.

  On the other hand, since the separation width of the pair of upper protrusions is wider than the thickness of the panel and narrower than the separation width of the pair of lower protrusions, when raising one side of the panel attached to the ceiling rail, A part of the panel is inserted between the pair of upper protrusions, and the pair of support parts are brought close to the panel so as to be sandwiched between the pair of upper protrusions and closed. For this reason, by lowering the other side of the panel with the one side of the panel raised, a part of the pair of support portions is pulled out from the pair of lower projections, and by further lowering the panel, the panel and The entire mounting member can be removed from the ceiling rail.

  As described above, according to the present invention, the mounting member including the pair of support portions is attached to the panel, and the pair of lower protrusions and the pair of upper protrusions are formed on the ceiling rail. The panel can be easily attached and detached.

  In the present invention, the support portion may extend over the entire length of the panel. Thus, it is possible to prevent smoke from leaking out from the panel detachable smoke barrier by extending the support portion over the entire length of the panel.

  In addition, the present invention may further include a stand disposed on the side of the panel to support the panel. When removing the panel from the ceiling rail, it is necessary to tilt the panel. In this way, if a stand is provided on the side of the panel, a space for tilting the panel is secured by removing the stand. be able to.

  The panel detachment method of the panel detachable smoke proof wall according to the present invention is a panel detachment method of the panel detachable smoke proof wall that removes the panel from the ceiling rail in the panel detachable smoke proof wall described above, Remove the stand to form a space on the side of the panel, tilt the panel and raise one side of the panel, insert the upper end of the panel between the pair of upper protrusions, and a pair of supports A pair of supports is made by lowering the other side of the panel with the panel placed close to the panel so as to be sandwiched between a pair of upper projections and then tilted to the opposite side and the one side of the panel raised. A part of the part is pulled out from the pair of lower projections, and the panel is lowered in this state to remove the panel from the ceiling rail.

  In this way, the panel can be easily detached from the ceiling rail after the panel detachable smoke barrier is installed on the ceiling surface.

  According to the present invention, it is possible to easily attach and remove the panel.

It is a front view which shows the panel attachment-detachment type smoke-proof hanging wall which concerns on embodiment. It is a side view which shows a part of detachable smoke-proof wall. It is a perspective view of a panel. (A) is a longitudinal cross-sectional view of a ceiling rail, (b) is a partial longitudinal cross-sectional view of a panel. It is a figure for demonstrating the attachment mechanism of the panel with respect to a ceiling rail. It is a figure for demonstrating the removal mechanism of the panel with respect to a ceiling rail. It is a figure for demonstrating the removal mechanism of the panel with respect to a ceiling rail.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, exemplary embodiments of a panel detachable smoke barrier and a panel detaching method for a panel removable smoke barrier according to the present invention will be described in detail with reference to the drawings. In all the drawings, the same or corresponding parts are denoted by the same reference numerals, and redundant description is omitted.

  FIG. 1 is a front view showing a panel detachable smoke barrier according to the embodiment, and FIG. 2 is a side view showing a part of the detachable smoke barrier. As shown in FIGS. 1 and 2, the panel detachable smoke barrier 1 according to the present embodiment includes a panel 2, a ceiling rail 3 that extends from the ceiling surface C and suspends the panel 2, and a wall surface W1 or An end stand 4 disposed between the wall W2 and the panel 2 and depending from the ceiling rail 3, an intermediate stand 5 disposed between the adjacent panels 2 and depending from the ceiling rail 3, and an end And a lower support member 6 that is fixed to the lower ends of the side stand 4 and the intermediate stand 5 and supports the panel 2 from below. In the following description, the horizontal direction in which the panel detachable smoke barrier 1 is extended is the X direction, and the vertical direction in which the panel 2 is suspended is the direction orthogonal to the Z direction, the X direction, and the Z direction. The thickness direction of the panel 2 is referred to as the Y direction.

  FIG. 3 is a perspective view of the panel, and FIG. 4B is a partial longitudinal sectional view of the panel. 3 and 4B, the panel 2 includes a panel body 2a having an inner frame body 21, an outer frame body 22, and a glass fiber reinforced resin sheet 23, and the panel body 2a is connected to a ceiling rail. And an attachment member 2b that is detachably attached to the device 3.

  The inner frame 21 is a member for stretching the glass fiber reinforced resin sheet 23. The inner frame 21 is formed in a rectangular frame shape having four sides, and the cross section of each side constituting the inner frame 21 is formed in a rectangle. One or more screw holes into which screws 25 for fixing the attachment member 2b are screwed are formed on the upper end surface of the inner frame 21. The material of the inner frame 21 may be any material as long as the material has rigidity capable of maintaining the state in which the glass fiber reinforced resin sheet 23 is stretched. For example, aluminum or resin can be used. .

  The outer frame body 22 is a member for stretching the glass fiber reinforced resin sheet 23. The outer frame body 22 is formed in a rectangular frame shape having four sides, and the cross section of each side constituting the outer frame body 22 is a cross section opened toward the inside so that the inner frame body 21 can be fitted therein. It is formed in a substantially U shape. One or a plurality of screw holes into which screws 25 for fixing the attachment member 2b are screwed are formed on the upper end surface of the outer frame 22. The material of the outer frame 22 may be any material as long as the material has rigidity capable of maintaining the state in which the glass fiber reinforced resin sheet 23 is stretched. For example, aluminum or resin can be used. .

  The glass fiber reinforced resin sheet 23 is formed in a rectangular sheet shape, and is stretched around the inner frame body 21 and the outer frame body 22. The stretching of the glass fiber reinforced resin sheet 23 to the inner frame body 21 and the outer frame body 22 may be performed by any means. For example, the glass fiber reinforced resin sheet 23 is wound around the inner frame body 21 from one surface (for example, the front surface in the Y direction), and the inner frame body 21 is fitted into the outer frame body 22 to be glass fiber reinforced resin. By sandwiching the sheet 23 between the inner frame body 21 and the outer frame body 22, the glass fiber reinforced resin sheet 23 can be stretched on the inner frame body 21 and the outer frame body 22. Note that the frame of the panel does not necessarily need to be composed of two members, that is, the inner frame and the outer frame, and may be composed of only one frame, for example. Further, it is not always necessary to stretch the glass fiber reinforced resin sheet on the frame by sandwiching the glass fiber reinforced resin sheet between the inner frame and the outer frame. For example, by bonding to the frame, the glass fiber is attached to the frame. The reinforced resin sheet 23 may be stretched.

This glass fiber reinforced resin sheet 23 has nonflammability and flexibility, and is composed of a glass fiber fabric and a resin coating layer obtained by impregnating and curing the glass fiber fabric with a resin. Examples of the woven structure of the glass fiber woven fabric include plain weave, satin weave, twill weave, oblique weave, and woven weave. Examples of the resin constituting the resin coating layer constituting the glass fiber reinforced sheet include vinyl ester resins, unsaturated polyester resins, and phenol resins. In addition, it is preferable that additives, such as a flame retardant, a ultraviolet absorber, a filler, an antistatic agent, are included in the said resin as a resin coating layer. Moreover, in order to improve nonflammability and rigidity, the glass fiber reinforced resin sheet 23 is preferably the following. That is, the count of the glass fiber yarn constituting the glass fiber fabric is preferably 5 to 70 tex, more preferably 10 to 35 tex. Moreover, 1-20 micrometers is preferable and, as for the diameter of the filament (glass fiber) contained in a glass fiber thread | yarn, 3-12 micrometers is still more preferable. The mass of the glass fiber fabric per unit area is preferably from 10 to 300 g / ^{m 2,} more preferably 20 to 300 g / ^{m 2.} Moreover, as for the mass of the resin coating layer per unit area, 10-500 g / m < ² > is preferable. The glass fiber fabric is preferably surface-treated with a glass fiber treating agent.

  The mounting member 2b is formed in a substantially U-shaped cross section that opens downward, and is fixed to the upper end surface of the outer frame 22, and one surface side (front surface side) of the panel body 2a. A support portion 24b extending downward from one end edge of the fixing portion 24a, and a support portion 24c extending downward from the other end edge of the fixing portion 24a, arranged on the other surface side (back surface side) of the panel body 2a. It is equipped with.

  The fixing portion 24a extends in the X direction along the upper end surface of the outer frame 22 over the entire length of the panel body 2a in the X direction, and is formed in a rectangular flat plate shape elongated in the X direction. The fixing portion 24a may be fixed to the upper end surface of the outer frame body 22 by any means. For example, a through hole is formed in the fixing portion, and a screw 25 inserted into the through hole is inserted into the inner frame body 21 and the outer frame body. The fixing portion 24 a may be fixed to the upper end surface of the outer frame body 22 by screwing into a screw hole formed in the upper end surface of the frame body 22. The width a in the Y direction of the fixed part 24a is the same as or slightly larger than the dimension obtained by adding the thickness of the support part 24b and the support part 24c to the width of the upper end surface of the outer frame 22 in the Y direction. It has become.

  The support part 24b and the support part 24c extend over the entire length of the panel body 2a in the X direction, like the fixed part 24a, and are formed in a rectangular flat plate shape elongated in the X direction. The support portion 24b and the support portion 24c extend downward from one end edge and the other end edge of the fixing portion 24a while being inclined in a direction away from the front and back surfaces of the panel body 2a, and are like umbrellas with respect to the panel body 2a. Open to For this reason, the width in the Y direction from the support part 24b to the support part 24c becomes wider as it goes downward, and the width b in the Y direction from the lower end edge of the support part 24b to the lower end edge of the support part 24c is the panel. 2 in the Y direction.

  The mounting member 2b configured as described above has elasticity, and is a leaf spring that can change the bending angle of the support portion 24b and the support portion 24c with respect to the fixed portion 24a. Further, the attachment member 2b has a rigidity capable of supporting the panel 2 by stretching the support portion 24b and the support portion 24c. For this reason, the mounting member 2b can be made of a material such as a steel material or an aluminum material with a plate thickness of 0.1 mm to 1.0 mm, for example.

  FIG. 4A is a longitudinal sectional view of the ceiling rail. As shown in FIG. 4A, the ceiling rail 3 is formed in a substantially U-shaped cross section that opens downward, and a fixed portion 31 fixed to the ceiling surface C and one of the fixed portions 31 A side wall 32a extending downward from the edge, a side wall 32b extending downward from the other edge of the fixing portion 31 and facing the side wall 32a, and a bottom projecting from the lower end of the side wall 32a toward the side wall 32b A side protrusion 33a, a lower protrusion 33b that protrudes from the lower end of the side wall 32b toward the side wall 32a and faces the lower protrusion 33a, and a side wall from the side wall 32a above the lower protrusion 33a. An upper projecting portion 34a projecting toward the portion 32b, and an upper projecting portion 34b projecting from the side wall portion 32b toward the side wall portion 32a above the lower projecting portion 33b and facing the upper projecting portion 34a. Yes.

  The side wall 32a, the lower protrusion 33a and the upper protrusion 34a, and the side wall 32b, the lower protrusion 33b and the upper protrusion 34b are formed symmetrically with respect to the side wall 32a and the lower protrusion 33a. And between the side wall part 32b, the lower side protrusion part 33b, and the upper side protrusion part 34b, the insertion space S by which the upper end part of the panel 2 is inserted from the downward direction is formed between the upper side protrusion part 34a.

  The spacing width d in the Y direction between the lower protrusion 33a and the lower protrusion 33b is the Y direction from the lower end edge of the support portion 24b to the lower end edge of the support portion 24c in the natural state where the mounting member 2b is not elastically deformed. It is narrower than the width b. That is, these dimensions have a relationship of “d <b”. For this reason, when the upper end part of the panel 2 is inserted in the insertion space S of the ceiling rail 3, the support part 24b and the support part 24c can be locked by the lower protrusion part 33a and the lower protrusion part 33b. It has become.

  The separation width e in the Y direction between the side wall part 32a and the side wall part 32b is larger than the width b in the Y direction from the lower end edge of the support part 24b to the lower end edge of the support part 24c in the natural state where the mounting member 2b is not elastically deformed. Is also narrower. That is, these dimensions have a relationship of “e <b”. For this reason, when the upper end part of the panel 2 is inserted into the insertion space S of the ceiling rail 3, the support part 24b and the support part 24c are brought into contact with the side wall part 32a and the side wall part 32b, and the panel 2 with respect to the ceiling rail 3 is placed. It is possible to perform positioning in the Y direction.

  The separation width f in the Y direction between the upper protruding portion 34a and the upper protruding portion 34b is wider than the width a in the Y direction of the fixed portion 24a, and in the Y direction between the lower protruding portion 33a and the lower protruding portion 33b. It is narrower than the separation width d. That is, these dimensions have a relationship of “a <f <d”. For this reason, it is possible to insert the upper end part of the panel 2 inserted in the insertion space S of the ceiling rail 3 between the upper protrusion part 34a and the upper protrusion part 34b. Further, the upper end of the panel 2 is inserted between the upper protrusion 34a and the upper protrusion 34b so that the support 24b and the support 24c are sandwiched between the upper protrusion 34a and the upper protrusion 34b and closed. The width in the Y direction from the lower end edge of the support portion 24b to the lower end edge of the support portion 24c is made narrower than the separation width d in the Y direction between the lower protrusion portion 33a and the lower protrusion portion 33b. It is possible.

  The separation height g in the Z direction from the lower protrusion 33a and the lower protrusion 33b to the upper protrusion 34a and the upper protrusion 34b is higher than the height c in the Z direction of the support 24b and the support 24c. ing. For this reason, when the support part 24b and the support part 24c are locked to the lower protrusion part 33a and the lower protrusion part 33b, the support part 24b and the support part 24c are sandwiched between the upper protrusion part 34a and the upper protrusion part 34b. It is possible to prevent closing.

  Note that the dimensional relationship between the mounting member 2b and the ceiling rail 3 may be the following relationship as long as the above relationship is satisfied. For example, as the dimensions of the mounting member 2b, the width a in the Y direction of the fixing portion 24a is 5 mm or more and 15 mm or less, the lengths of the support portion 24b and the support portion 24c are 10 mm or more and 20 mm or less, the support portion 24b and the support portion for the panel body 2a. The opening angle of 24c is 10 ° or more and 45 ° or less, and the dimension of the ceiling rail 3 is that the separation width e in the Y direction between the side wall 32a and the side wall 32b is 10 mm or more and 30 mm or less, and the lower protrusion 33a and the lower protrusion The separation width d in the Y direction with respect to the portion 33b can be 5.2 mm or more and 25 mm or less, and the separation width f in the Y direction between the upper protrusion 34a and the upper protrusion 34b can be 5.1 mm or more and 20 mm or less.

  The end stand 4 is a member that comes into contact with the wall surface W1 or the wall surface W2, and is formed in a substantially U-shaped cross section that opens toward the wall surface W2 or the wall surface W1 facing the wall surface W1 or wall surface W2 to be contacted. Has been. For this reason, the wall surface W1 or the wall surface W2 and the panel 2 are separated from each other by at least the thickness of the end stand upright 4, and the outer frame 22 of the panel 2 is fitted into the end stand upright 4 so that the panel 2 It is possible to prevent shaking in the Y direction. Any material may be used as the material of the end vertical 4 as long as the material has flame retardancy. For example, an aluminum material is used.

  The intermediate stand 5 is a member disposed between the adjacent panels 2 and has a substantially H-shaped cross section that opens toward the wall surface W1 and the wall surface W2. For this reason, the adjacent panels 2 are separated by at least the thickness of the intermediate stand 5, and the outer frame 22 of the panel 2 adjacent to the intermediate stand 5 is fitted into the panel 2 in the Y direction. It is possible to prevent shaking. Any material may be used for the material of the intermediate stand 5 as long as the material has flame retardancy. For example, an aluminum material is used.

  As shown in FIG.1 and FIG.2, the lower side support member 6 is formed in the cross-sectional substantially U shape opened toward the upper side. The lower support member 6 is suspended from the ceiling rail 3 and fitted into the lower end portion of the panel 2 held by the end stand 4 and the intermediate stand 5, so that the end support 4 and the intermediate stand 5 are engaged. The panel 2 is held from below by being fixed with screws or the like.

  Next, a method for installing the panel detachable smoke barrier 1 will be described. FIG. 5 is a diagram for explaining a method of attaching the panel to the ceiling rail.

  First, as shown in FIG. 5A, when the ceiling rail 3 is fixed to the ceiling surface C, the panel 2 is raised from below the ceiling rail 3, and the upper end of the panel 2 is placed below the ceiling rail 3. It inserts into the insertion space S of the ceiling rail 3 from between the protrusion part 33a and the lower side protrusion part 33b. Then, as shown in FIG. 5B, since the support 24b and the support 24c are sandwiched between the lower protrusion 33a and the lower protrusion 33b, the mounting member 2b is elastically deformed, and the support 24b and As the support portion 24 c closes, the panel main body 2 a is approached, and the upper end portion of the panel 2 is inserted into the insertion space S of the ceiling rail 3.

  And if the panel 2 is raised until the support part 24b and the support part 24c pass over the lower protrusion part 33a and the lower protrusion part 33b, the support part 24b and the support part 24c become the lower protrusion part 33a and the lower protrusion part 33b. It is released from being caught and returns to its original natural state. Then, as shown in FIG. 5C, the support 24b and the support 24c are locked to the lower protrusion 33a and the lower protrusion 33b, and the support 24b and the support 24c are side walls 32a. Then, the panel 2 is positioned in the Y direction with respect to the ceiling rail 3 in contact with the side wall 32b.

  Thereby, the attachment of the panel 2 to the ceiling rail 3 is completed.

  When the required number of panels 2 are attached to the ceiling rail 3, the end stand 4 is placed on the ceiling rail so that the outer frame of the panel 2 adjacent to the wall W1 or the wall W2 is fitted into the end stand 4. Attach to 3. Further, the intermediate stand 5 is attached to the ceiling rail 3 so that the outer frame body 22 of the adjacent panel 2 is fitted into the intermediate stand 5. In addition, the attachment order of the panel 2, the edge part stand 4 and the intermediate stand 5 with respect to the ceiling rail 3 is not specifically limited, It can change suitably.

  Thereafter, the lower support member 6 is suspended from the ceiling rail 3 and fitted into the lower end portion of the panel 2 held by the end stand 4 and the intermediate stand 5, and the lower support member 6 is inserted into the end stand 4 and Fix to the intermediate stand 5 with screws.

  Thereby, the installation of the panel detachable smoke barrier 1 is completed.

  The panel detachable smoke barrier 1 installed in this way has the support part 24b and the support part 24c of the panel 2 in contact with the side wall part 32a and the side wall part 32b, and the support part 24b and support of the panel 2 The panel 2 is suspended from the ceiling rail 3 disposed on the ceiling surface C by the portion 24 c being locked to the lower protrusion 33 a and the lower protrusion 33 b of the ceiling rail 3. Further, an end stand 4 attached to the ceiling rail 3 is disposed between the wall surface W 1 or the wall surface W 2 and the panel 2, and the panel 2 is sandwiched between the end stands 4. Further, an intermediate stand 5 attached to the ceiling rail 3 is disposed between a pair of adjacent panels 2, and the adjacent pair of panels 2 is sandwiched between the intermediate stands 5. The panel 2 is supported from below by a lower support member 6 fixed to the end side stand 4 and the intermediate stand up 5.

  Next, a method of removing the panel 2 from the ceiling rail 3 after installing the panel detachable smoke barrier 1 will be described. FIG. 6 is a diagram for explaining a method for removing the panel from the ceiling rail, and FIG. 7 is a diagram for explaining a method for removing the panel from the ceiling rail.

  First, the lower support member 6 is removed from the panel 2, the end stand 4 and the intermediate stand 5. Next, out of the end stand 4 and the intermediate stand 5, the two stands adjacent to the wall surface W 1 and the wall surface W 2 side of the panel 2 to be removed from the ceiling rail 3 are removed from the ceiling rail 3.

  Then, when removing the panel 2 adjacent to the wall surface W1 or the wall surface W2 from the ceiling rail 3, at least the thickness of the end upright 4 is between the panel 2 to be removed from the ceiling rail 3 and the wall surface W1 or the wall surface W2. A corresponding space is formed, and at least a space corresponding to the thickness of the intermediate stand 5 is formed between the panel 2 to be removed from the ceiling rail 3 and the panel 2 adjacent to the panel 2. On the other hand, when the panel 2 not adjacent to the wall surface W1 or the wall surface W2 is removed from the ceiling rail 3, at least the intermediate stand 5 is provided between the panel 2 to be removed from the ceiling rail 3 and each panel 2 adjacent to the panel 2. A space corresponding to the thickness is formed.

  Next, as shown in FIG. 6A, the panel 2 is tilted to raise one side of the panel 2. Then, as shown to (a) of FIG. 7, the upper end part of the one side of the raised panel 2 is inserted between the upper side protrusion part 34a and the upper side protrusion part 34b. And since the support part 24b arrange | positioned at the one side of the raised panel 2 and a part of support part 24c are pinched | interposed into the upper side protrusion part 34a and the upper side protrusion part 34b, the attachment member 2b elastically deforms, and a support part 24b and the support part 24c are close to the panel main body 2a so as to close, and the upper end part of the panel 2 is inserted between the upper protruding part 34a and the upper protruding part 34b. At this time, as shown in FIG. 7B, the portions of the support 24b and the support 24c arranged on the other side of the panel 2 that has not been raised are also arranged on one side of the raised panel 2. Similar to the support portion 24b and a part of the support portion 24c, the attachment member 2b is elastically deformed and approaches the panel body 2a so that the support portion 24b and the support portion 24c are closed. Thereby, in the entire length in the X direction of the mounting member 2b, the width in the Y direction from the lower end edge of the support portion 24b to the lower end edge of the support portion 24c is the lower protrusion portion 33a and the lower protrusion portion in the entire length in the X direction. It becomes narrower than the separation width d in the Y direction with respect to 33b.

  Next, as shown in FIG. 6B, the other side of the panel 2 is lowered by tilting the panel 2 to the opposite side. Then, as shown in FIG. 7 (c), the support 24b and a part of the support 24c arranged on the other side of the lowered panel 2 are formed between the lower protrusion 33a and the lower protrusion 33b. It is drawn downward from between. For this reason, by lowering the entire panel 2 in this state, all of the attachment member 2b is drawn downward from between the lower protrusion 33a and the lower protrusion 33b.

  Thereby, the removal of the panel 2 with respect to the ceiling rail 3 is complete | finished.

  Thus, according to the present embodiment, the attachment member 2b including the pair of support portions 24b and the support portion 24c is attached to the panel body 2a, and the pair of lower protrusions 33a and lower protrusions 33b are attached to the ceiling rail 3. And the pair of upper and lower protrusions 34a and 34b, the panel 2 can be easily attached to and removed from the ceiling rail 3.

  Moreover, it is possible to prevent the smoke from leaking from the panel detachable smoke barrier 1 by extending the support 24b and the support 24c of the mounting member 2b over the entire length of the panel body 2a.

  In addition, the panel detachable smoke-proof wall 1 is installed by disposing the end stand 4 between the wall W1 or the wall W2 and the panel 2 and the intermediate stand 5 between the adjacent panels 2. After this, by removing the end side stand 4 and the intermediate stand 5, a space for tilting the panel 2 can be secured, so that the panel 2 can be easily removed from the ceiling rail 3.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to the above embodiment.

  For example, in the above-described embodiment, the attachment member has been described as a member having a substantially U-shaped cross section that is fixed to the upper surface of the outer frame 22, but from the upper end of the panel while being inclined in a direction away from the panel. Any member may be used as long as the member extends downward. For example, a pair of flat members fixed to the front and back surfaces of the panel (outer frame 22) may be used.

  Moreover, in the said embodiment, although demonstrated as what arrange | positions the edge part stand 4 and the intermediate stand 5 to the side of the panel 2, when removing the panel 2 from the ceiling rail 3, the panel 2 can be inclined. If possible, it is not particularly necessary to provide one or both of the end side stand 4 and the intermediate stand 5.

  DESCRIPTION OF SYMBOLS 1 ... Panel detachable smoke-proof wall, 2 ... Panel, 2a ... Panel main body (panel), 2b ... Mounting member, 3 ... Ceiling rail, 4 ... End side stand, 5 ... Middle stand, 6 ... Bottom support 11: Japanese Patent Laid-Open No. 11: 21: inner frame, 22: outer frame, 23: glass fiber reinforced resin sheet, 24a: fixing part, 24b: supporting part, 24c: supporting part, 25: screw, 31: fixing part 32a ... side wall, 32b ... side wall, 33a ... lower projection, 33b ... lower projection, 34a ... upper projection, 34b ... upper projection, C ... ceiling surface, W1 ... wall surface, W2 ... wall surface, S: Insertion space.

Claims (4)

A panel in which a fiber reinforced sheet is stretched on a rectangular frame,
A ceiling rail extending on the ceiling surface to suspend the panel;
An attachment member for detachably attaching the panel to the ceiling rail;
A panel detachable smoke barrier,
The mounting member includes a fixed portion fixed to the upper end portion of the panel, a pair of support portions disposed on the front and back surfaces of the panel and extending downward from the fixed portion while being inclined in a direction away from the panel, With
The ceiling rail includes a fixed portion fixed to the ceiling, a pair of opposing side wall portions extending downward from the fixed portion to form an insertion space into which the upper end portion of the panel is inserted, and a lower end portion of the side wall portion A pair of opposed lower projecting portions that project toward the other side wall portion facing each other, and when the upper end portion of the panel is inserted into the insertion space, the pair of supporting portions are locked, A pair of opposing upper protrusions that protrude toward the other sidewall part that opposes the sidewall part above the side protrusion part,
The separation width of the pair of opposed upper protrusions is wider than the thickness of the panel, and narrower than the separation width of the pair of opposed lower protrusions,
The attachment member has elasticity and can change the bending angle of the pair of support portions with respect to the fixed portion,
The separation width of the pair of support portions is the largest separation width of the lower end edges of the pair of support portions,
The separation width of the pair of side wall portions is narrower than the separation width of the lower end edges of the pair of support portions in a natural state where the mounting member is not elastically deformed,
The lower end edges of the pair of support portions are in contact with the pair of side wall portions ,
The panel detachable smoke barrier is characterized in that a separation height from the lower protrusion to the upper protrusion is higher than a height of the support .
The support extends over the entire length of the panel;
The panel detachable smoke barrier according to claim 1. Further comprising a stand disposed on a side of the panel to support the panel;
The panel detachable smoke barrier according to claim 1 or 2. A panel detachable smoke proof wall for removing the panel from the ceiling rail in the panel detachable smoke proof wall according to claim 3,
Remove the stand to form a space on the side of the panel,
Thereby tilting the panel by raising one side of the panel, by inserting the upper portion of the panel between the pair of upper protrusions, sandwiched the pair of support portions in the pair of upper protrusions brought close to the panel as to close,
The panel is at so inclined to the opposite side while being raised on one side of the panel lowering the other side of the panel, pull the portion of the pair of support portions from the pair of lower projecting portion,
By lowering the panel in this state, characterized in that removing the panel from the ceiling rail,
Panel removal method of panel detachable smoke barrier.

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