JP5128406B2 - Smoke-proof wall mounting structure and hanger member used in the mounting structure - Google Patents

Description

  The present invention relates to a smoke-proof hanging wall mounting structure and a hanger member used in the mounting structure.

  As shown in FIG. 15, the conventional smoke barrier wall mounting structure includes a ceiling bar 9 for mounting the smoke barrier wall member disposed along the ceiling surface. A member that is supported by being suspended from a member 4 (field edge receiver or the like) via a hanger member 1 having a U-shaped cross section and a suspension bolt 20 or the like is generally known.

  The hanger member 1 is externally fitted to the beam member 4 supported on the back of the ceiling from above, and the upper part of the suspension bolt 20 is fitted into the bolt groove of the hanger member 1 so The ceiling bar 9 for attaching the smoke-proof hanging wall member is fixed to the beam member 4 by two nuts 21 and 21 screwed to the suspension bolt 20 so as to come into contact with the lower side. 4 is supported by suspension (Japanese Patent Laid-Open No. 11-89954).

JP-A-11-89954

The hanger member 1 in the conventional smoke-proof hanging wall mounting structure is fitted to the outside of the beam member 4 from the horizontal direction, and then fastened with the two nuts 21, 21 from the vertical direction through the suspension bolt 20 to be fixed. It is configured. For this reason, the conventional hanger member is detached from the beam member if any impact is applied to the hanger member itself or the beam member after it is fitted to the beam member and fixed by the suspension bolt and nut. There was a risk of falling.
Therefore, the present invention provides a hanger member that does not easily drop when attached to a beam member and has good workability, and a structure for attaching a smoke-proof hanging wall using the hanger member.

The characteristic structure of the mounting structure of the smoke-proof hanging wall of the present invention is as follows:
In the mounting structure of the smoke-proof hanging wall in which the ceiling bar is suspended by using the hanger member on the beam member disposed in the ceiling back portion, and the smoke-proof hanging wall is attached to the ceiling bar.
The hanger member has a latching structure portion having a substantially inverted U-shaped cross section, and a ceiling bar mounting portion for attaching the ceiling bar to at least one end of the latching structure portion having the substantially inverted U shape.
The latching structure portion of the hanger member is latched and fixed in a state straddling from above the beam member,
The ceiling bar is suspended by the ceiling bar mounting portion of the hanger member;
The ceiling bar mounting portion includes a ceiling bar mounting bracket that is separate from the member having the latching structure portion ,
The ceiling bar mounting bracket has a substantially L-shaped cross section that can be attached to the end of the latching structure .

The characteristic configuration of the hanger member of the present invention is as follows:
A hanger member that can be hooked and fixed to a beam member disposed in the back of the ceiling and that can suspend a ceiling bar for attaching a smoke-proof hanging wall member disposed along the ceiling surface from the beam member. There,
At least one of the substantially inverted U-shaped latching structure portion that can be hooked over the beam member from above and the end of the substantially inverted U-shaped latching structure portion, A ceiling bar mounting portion capable of mounting the ceiling bar;
The ceiling bar mounting portion includes a ceiling bar mounting bracket that is separate from the member having the latching structure portion ,
The ceiling bar mounting bracket has a substantially L-shaped cross section that can be attached to the end of the latching structure .

[Action and effect]
In the present invention, since the hanger member is hooked and fixed in a state of straddling the beam member, before the hanger member is fixed, any impact or the like is applied to the hanger member itself or the beam member Even so, it is difficult to come off from the beam member, and there is little possibility of dropping, so workability is good.

Embodiments of the present invention will be described below with reference to the drawings.
[First Embodiment]
1st Embodiment of the smoke-proof hanging wall attachment structure 100 which concerns on this invention is described based on FIGS.
FIG. 1 shows a state where the hanger member 1 which is a feature of the present embodiment is used to suspend and support the ceiling bar 9 from the C bar 4 when the field edge 22 and the ceiling bar 9 are provided in parallel. ing.

FIG. 2 shows a perspective view of the hanger member 1 which is a feature of the present embodiment.
The hanger member 1 includes a latching structure portion 2 and a ceiling bar mounting portion 3, which are integrally formed.
The latching structure portion 2 has a first plate-like portion 2a, a second plate-like portion 2b, and a third plate-like portion 2c that form a U-shaped cross section, and is supported by the ceiling. In addition, it has a structure that can be hooked and fixed in a state where it is straddled from above the C-bar 4 (an example of a beam member) having a U-shaped cross section.

  The first plate-like portion 2 a is abutted against the upper surface of the C bar 4 when the hanger member 1 is attached to the C bar 4. The 2nd plate-like part 2b and the 3rd plate-like part 2c are each provided in a row at the both ends of the 1st plate-like part 2a, and they are in the direction orthogonal to the plate surface of the 1st plate-like part 2a. They are formed so as to be parallel to each other.

The distance S between the inner surface of the second plate-like portion 2b and the inner surface of the third plate-like portion 2c is set to be equal to or slightly larger than the lateral width X of the C bar 4. The vertical width T of the two plate-like portions 2b and the third plate-like portion 2c is set to be longer than the vertical width Y of the C bar 4 (see FIG. 3).
The second plate-like portion 2b and the third plate-like portion 2c are respectively provided with a through hole 7a through which the fixing bolt 5 can be passed and a burring screw 7b into which the male screw portion of the fixing bolt 5 can be screwed. .

  On the other hand, the ceiling bar attaching portion 3 is provided continuously to the third plate-like portion 2c in a direction orthogonal to the plate surface of the third plate-like portion 2c, and when the hanger member 1 is attached to the C-bar 4, It is comprised so that it may be located below the stop structure part 2. FIG. The ceiling bar mounting portion 3 is provided with a through hole 7c through which the mounting bolt 6 can be passed.

  In addition, as a structural member of the hanger member 1, the metal (for example, steel plate etc.) which has moderate intensity | strength is preferable. Moreover, as shown in FIG. 2, in the hanger member 1 of this embodiment, the rib 8 is provided in the edge part of the 2nd plate-shaped part 2b, the 3rd plate-shaped part 2c, and the ceiling bar attaching part 3, respectively. Even when the thickness of the latching structure portion 2 (the first plate-like portion 2a, the second plate-like portion 2b, and the third plate-like portion 2c) or the ceiling bar mounting portion 3 is reduced, its rigidity is ensured. It has the structure to obtain.

  FIG. 3 shows a configuration in which the hanger member 1, which is a feature of the present embodiment, is used to suspend and support the ceiling bar 9. In addition, the ceiling bar 9 in the present invention is arranged along the ceiling surface and has a configuration to which the smoke-proof hanging wall member 15 can be attached.

In the present embodiment, the ceiling bar 9 has a first dovetail portion 10 having a C-shaped cross section that opens upward between the opposing protrusions 10a and 10a, and a cross section C that opens downward between the opposing protrusions 11a and 11a. A character-shaped second dovetail groove portion 11, a ceiling plate installation portion 12, 12, and a smoke-proof hanging wall member attachment portion 13, 13 are provided.
A rectangular mounting plate 14 having a female screw hole 14 a is inserted into the first dovetail groove portion 10 from the end of the first dovetail groove portion 10, and the mounting plate 14 is extended along the first dovetail groove portion 10. By being moved, the first dovetail groove 10 can be installed at a predetermined position.

In order to suspend the ceiling bar 9 from the C bar 4, first, the hanging structure portion 2 of the hanger member 1 is latched and fixed in a state where it is strung from above the C bar 4 supported by the ceiling. deep.
Next, the male screw portion of the fixing bolt 5 is passed through the through hole 7a of the second plate-like portion 2b and screwed into the burring screw 7b of the third plate-like portion 2c, and the hanger member 1 is fixed to a predetermined position of the C-bar 4 To do.

  And the ceiling bar 9 is arrange | positioned under the ceiling bar attaching part 3 of the hanger member 1, and the through-hole 7c of the ceiling bar attaching part 3 and the female screw hole 14a of the attaching plate 14 provided in the 1st dovetail part 10 are provided. Align with. The male screw portion of the mounting bolt 6 fitted with the nut 21 in advance is passed through the through hole 7 c of the ceiling bar mounting portion 3 and screwed into the female screw hole 14 a of the mounting plate 14. Further, the nut 21 is rotated, and the projecting sides 10a and 10a of the first dovetail groove portion 10 are sandwiched and tightened by the ceiling bar mounting portion 3 and the mounting plate 14, whereby the suspension of the ceiling bar 9 is completed.

4 and 5 show a state in which the ceiling plate 19 and the smoke-proof hanging wall member 15 are installed on the ceiling bar 9 supported by being suspended through the hanger member 1.
FIG. 4 shows a cross section when the hanger member 1 of the present embodiment is viewed from the longitudinal direction of the C-bar 4 (FIGS. 11 and 13 described later are cross sections when viewed from the same direction). Is). FIG. 5 shows a cross section when the hanger member 1 of the present embodiment is viewed from the longitudinal direction of the ceiling bar 9 (described later, FIGS. 9, 12, and 14 are also viewed from the same direction). Cross section).

An upper edge portion of the smoke-proof hanging wall member 15 (for example, lined polished plate glass, meshed polished plate glass, etc.) is fitted to the smoke-proof hanging wall member mounting portion 13 of the ceiling bar 9 via the smoke-proof rubber 24. The smoke sag wall member 15 is supported by the hanger 16 and the receiver 17.
The hanging tool 16 is suspended from the ceiling bar 9 by hooking the flange portion 16 a to the second dovetail groove portion 11 of the ceiling bar 9. The receiving member 17 is a groove member that opens upward so that the lower end of the smoke-proof dripping wall member 15 is fitted. In order to protect the lower edge of the smoke proof dripping wall member 15, the receiving member 17 is fitted through a rubber plate 30. Further, the decorative material 26 is fitted through the silicone sealant 29.
Furthermore, the suspended ceiling bar 9 is provided with a ceiling plate installation portion 12 on which a suitable ceiling plate 19 can be installed.

[Second Embodiment]
Next, a second embodiment of the smoke-proof hanging wall mounting structure 100 according to the present invention will be described with reference to FIGS. 6 to 9. However, in order to avoid redundant description, the components described in the previous embodiment will be described. Are omitted by giving the same reference numerals, and only different configurations will be mainly described.

  FIG. 6 shows a state in which the hanger member 1 which is a feature of the present embodiment is used to suspend and support the ceiling bar 9 from the C bar 4.

  FIG.7 and FIG.8 has shown the perspective view of the hanger member 1 of this embodiment. The hanger member 1 in the present embodiment is the same as the first embodiment in the configuration including the latching structure portion 2 and the ceiling bar mounting portion 3, but the ceiling bar mounting bracket is used as the second ceiling bar mounting portion. 18 is provided as a separate body from the latching structure 2, and the height position can be freely adjusted.

  The ceiling bar mounting bracket 18 has a fourth plate-like portion 18 a and a fifth plate-like portion 18 b that form a letter “L” in cross section, and is attached to the second plate-like portion 2 b of the latching structure portion 2. It is configured to be detachably fixed via a fixing bolt 5.

  The fourth plate-like portion 18a is provided with a plurality of through holes 7e, 7e through which the fixing bolts 5 can be passed at predetermined intervals in the vertical direction, and the fifth plate-like portion 18b is attached to the fourth plate-like portion 18a. A through hole 7f through which the bolt 6 can be passed is provided.

  In the hanger member 1 of the present embodiment, one of the plurality of through holes 7e, 7e provided in the fourth plate-like portion 18a is selected, and the fixing bolt 5 is inserted into the through hole 7e and fixed. By doing so, the height position of the ceiling bar mounting bracket 18 can be freely adjusted.

In this embodiment, the two through-holes 7e and 7e are provided. However, the present invention is not limited to this configuration, and the number and installation interval can be arbitrarily set as necessary. .
The rib 8 provided at the edge of the second plate-like portion 2b can also function as a rotation stopper when the ceiling bar mounting bracket 18 is attached to the second plate-like portion 2b of the latching structure portion 2. .

  In the case of the configuration as shown in FIG. 8 (b), these two ceiling bar mounting portions can be used properly and workability can be further improved. For example, when it is necessary to adjust the height of the mounting position of the ceiling bar by attaching the ceiling bar to the ceiling bar mounting part connected to one end of the latching structure part during normal use By selecting an appropriate ceiling bar mounting bracket and mounting it on the latching structure, the ceiling bar can be mounted at a desired height on the ceiling bar mounting bracket.

FIG. 9 shows a state in which the ceiling plate 19 and the smoke-proof hanging wall member 15 are installed on the ceiling bar 9 supported by being suspended through the hanger member 1 of the present embodiment.
In this case, in order to adjust the height position of the ceiling bar mounting bracket 18, the upper through hole is selected from among the through holes 7 e and 7 e in the fourth plate-like portion 18 a and the ceiling bar 9 is suspended at a lower position. This is a lowered example.

  According to the present embodiment, when the ceiling bar 9 is installed at a certain height position, it interferes with other members (for example, the field edge 22) supported on the back of the ceiling. The ceiling bar 9 can be installed without interfering with each other by adjusting the height position to a position lower than that of such a member.

[Third Embodiment]
Next, a third embodiment of the smoke proof hanging wall mounting structure 100 according to the present invention will be described with reference to FIGS. 10 to 14, but only different configurations will be mainly described in order to avoid duplication.

FIG. 10 is an exploded perspective view of the hanger member 1 of the third embodiment.
The hanger member 1 of the present embodiment includes a ceiling bar mounting bracket 18 that is a second ceiling bar mounting portion as a separate body from the hooking structure portion 2, and the height position thereof can be freely adjusted. Is the same as in the second embodiment.

  However, the third plate-like part 2c of the latching structure part 2 is not provided with the ceiling bar attaching part 3 and the edge part 8, and instead of the burring screw 7b, a through hole 7g through which the fixing bolt 5 can be passed is provided. Provided. Further, the fourth plate-like portion 18a of the ceiling bar mounting bracket 18 is provided with a plurality of female screw holes 7h, 7h instead of the through holes 7e.

The liner 27 is provided with a through hole 27a (long hole) in the center thereof, and further provided with recesses 27b and 27b at the ends thereof.
The mounting plate 28 is provided with a female screw hole 28a at the center thereof, and further provided with concave portions 27b, 27b of the liner 27 and convex portions 28b, 28b that can be fitted to each other at the ends thereof. Step portions 28c and 28c are formed on both side surfaces thereof. With such a configuration, when the male screw portion of the mounting bolt 6 is screwed in, the rotation of the mounting plate 28 having the female screw hole 28a is restricted, and the movement of the liner 27 is also restricted, so that the screwing operation is facilitated. .

  In the present embodiment, the liner 27 can be used as necessary. Therefore, first, a configuration in which the ceiling bar 9 is suspended and supported using the hanger member 1 and the mounting plate 28 of the present embodiment without using the liner 27 will be described.

  FIGS. 11 and 12 show a state in which the ceiling plate 19 and the smoke-proof hanging wall member 15 are installed on the ceiling bar 9 suspended and supported by using the hanger member 1 and the mounting plate 28 of the present embodiment. ing.

  In the third embodiment, in order to adjust the height position of the ceiling bar mounting bracket 18, the lower through hole of the female screw holes 7 h and 7 h in the fourth plate-like portion 18 a is selected, and the ceiling bar 9 This is an example of hanging. The convex portions 28b and 28b provided at both ends of the mounting plate 28 are sized so that the fifth plate-like portion 18b can be accommodated therebetween.

  Next, in addition to the hanger member 1 and the mounting plate 28 of the above-described embodiment, a configuration in which the ceiling bar 9 is suspended and supported using a liner 27 will be described (see FIGS. 13 and 14).

First, in the present embodiment, an appropriate female screw hole 7h into which the fixing bolt 5 is screwed is selected from the plurality of female screw holes 7h, 7h provided in the fourth plate-like portion 18a of the ceiling bar mounting bracket 18. Thus, it is possible to change the height position of the suspended ceiling bar 9 by adjusting the height position of the ceiling bar mounting bracket 18 (fifth plate-shaped portion 18b).
However, with such a configuration alone, it may be difficult to finely adjust the height position of the ceiling bar 9 according to the thickness of the ceiling plate 19.
Therefore, this embodiment is configured such that the height position of the ceiling bar 9 can be finely adjusted by further using the liner 27.

  FIGS. 13 and 14 show a case where the ceiling plate 19 and the smoke-proof hanging wall member 15 are installed on the ceiling bar 9 suspended and supported by using the hanger member 1, the liner 27, and the mounting plate 28 of the present embodiment. It shows a state.

The ceiling bar 9 shown in FIG. 14 is provided with a ceiling board 19 having a larger thickness than the ceiling board 19 shown in FIG. 12 (thickness A> thickness a).
As shown in FIGS. 12 and 14, since the ceiling board 19 is installed under the field edge 22, it is assumed that the field edge 22 shown in FIGS. 12 and 14 is set to the same height. In order to install the ceiling plate 19 (thickness A) shown in FIG. 14 having a larger thickness than the ceiling plate 19 (thickness a) shown in FIG. 12 should be set slightly below the installation position of the ceiling bar 9 shown in FIG.
That is, in the present embodiment, since the installation position of the ceiling bar 9 is set downward, a gap is generated between the ceiling bar mounting bracket 18 (fifth plate-shaped portion 18b) and the mounting plate 28. A liner 27 is interposed in the gap.

In the method of hanging and supporting the ceiling bar 9 using the liner 27, only the main points will be described below.
As shown in FIG. 10, the liner 27 is disposed under the ceiling bar mounting bracket 18 of the hanger member 1, the ceiling bar 9 is disposed under the liner 27, and the mounting plate 28 is disposed under the liner 27.
Then, the male threaded portion of the mounting bolt 6 is sequentially passed through the through hole 7f and the through hole 27a, screwed into the female threaded hole 28a of the mounting plate 28, and further, the nut 21 is rotated to perform screw tightening. As shown in FIG. 14, the suspension of the ceiling bar 9 is completed.
At this time, the convex portions 28 b and 28 b of the mounting plate 28 are in a state of being fitted with the concave portions 27 b and 27 b of the liner 27, respectively.

[Another embodiment]
[1] In the second embodiment described above, for example, in a state where a plurality of ceiling bar mounting brackets having different height positions of the ceiling bar mounting portions are prepared and the hanger member is hooked on the beam member, The height of the ceiling bar mounting position can be freely adjusted by selecting and using an appropriate one of the ceiling bar mounting brackets. In this case, since only a plurality of types of ceiling bar mounting brackets need to be manufactured, the cost can be reduced compared to a case where a plurality of types of hanger members having different height positions of the ceiling bar mounting portions are manufactured.

  [2] The liner 27 and the mounting plate 28 in the above-described third embodiment may be configured to be used in the above-described first and second embodiments.

The figure which shows the outline of the attachment structure (1st Embodiment) of the smoke-proof hanging wall of this invention A perspective view of a hanger member used in the first embodiment The figure which showed the outline of the structure which suspends and supports in the attachment structure of the smoke-proof hanging wall of 1st Embodiment. Sectional drawing in one side of the attachment structure of the smoke-proof hanging wall of 1st Embodiment Sectional drawing in another one side of the attachment structure of the smoke-proof hanging wall of 1st Embodiment The figure which shows the outline of the attachment structure (2nd Embodiment) of the smoke-proof hanging wall of this invention The perspective view of the hanger member used for 2nd Embodiment The perspective view of the hanger member used for 2nd Embodiment Sectional drawing in one side of the attachment structure of the smoke-proof hanging wall of 2nd Embodiment The perspective view of the hanger member used for 3rd Embodiment Sectional drawing in one side of the attachment structure of the smoke-proof hanging wall of 3rd Embodiment Sectional drawing in another one side of the attachment structure of the smoke-proof hanging wall of 3rd Embodiment Sectional drawing in one side of the attachment structure of the smoke-proof hanging wall of 3rd Embodiment at the time of using a liner Sectional drawing in another one side of the attachment structure of the smoke-proof hanging wall of 3rd Embodiment at the time of using a liner Sectional drawing in one side which shows the outline of the attachment structure of the conventional smoke-proof hanging wall

DESCRIPTION OF SYMBOLS 100 Smoke-proof hanging wall mounting structure 1 Hanger member 2 Hanging structure part 2a 1st plate-like part 2b 2nd plate-like part 2c 3rd plate-like part 3 Ceiling bar attaching part 4 C bar 5 Fixing bolt 6 Fixing bolt 8 Rib 9 Ceiling bar 10 1st dovetail groove part 10a Projection side 11 2nd dovetail groove part 12 Ceiling board installation part 13 Smoke-proof wall member mounting part 14 Mounting plate 15 Smoke-proof wall member 16 Lifting tool 17 Receiving tool 18 Ceiling bar installation Metal plate 18a Fourth plate-like portion 18b Fifth plate-like portion 19 Ceiling plate 20 Hanging bolt 21 Nut 22 Field edge 23 Field edge receiver 24 Smokeproof rubber 25 Rubber material 26 Cosmetic material 27 Liner 27b Recess 28 Mounting plate 28b Projection 28c Step Part 29 Silicone sealant 30 Rubber plate

Claims (4)

In the mounting structure of the smoke-proof hanging wall in which the ceiling bar is suspended by using the hanger member on the beam member disposed in the ceiling back portion, and the smoke-proof hanging wall is attached to the ceiling bar.
The hanger member has a latching structure portion having a substantially inverted U-shaped cross section, and a ceiling bar mounting portion for attaching the ceiling bar to at least one end of the latching structure portion having the substantially inverted U shape.
The latching structure portion of the hanger member is latched and fixed in a state straddling from above the beam member,
The ceiling bar is suspended by the ceiling bar mounting portion of the hanger member;
The ceiling bar mounting portion includes a ceiling bar mounting bracket that is separate from the member having the latching structure portion ,
The ceiling bar mounting bracket is a mounting structure for a smoke-proof hanging wall that is attachable to an end of the latching structure and has a substantially L-shaped cross section .   The ceiling bar attaching portion is provided at both ends of the hanging structure portion, and one of the ceiling bar attaching portions is continuously provided at one end portion of the hanging structure portion, and the other ceiling bar is provided. The mounting portion is configured by a ceiling bar mounting bracket having a substantially L-shaped cross section that is separate from the latching structure portion and can be attached to the other end of the latching structure portion. Smoke-proof hanging wall installation structure. The ceiling bar mounting bracket is provided with a plurality of holes, and the height of the mounting position of the ceiling bar can be adjusted by selecting one of the plurality of holes. mounting structure of smoke hanging wall according to any one of claim 1 or claim 2. A hanger member that can be hooked and fixed to a beam member disposed in the back of the ceiling and that can suspend a ceiling bar for attaching a smoke-proof hanging wall member disposed along the ceiling surface from the beam member. There,
At least one of the substantially inverted U-shaped latching structure portion that can be hooked over the beam member from above and the end of the substantially inverted U-shaped latching structure portion, A ceiling bar mounting portion capable of mounting the ceiling bar;
The ceiling bar mounting portion includes a ceiling bar mounting bracket that is separate from the member having the latching structure portion ,
The ceiling bar mounting bracket is a hanger member having a substantially L-shaped cross section that can be freely attached to an end of the latching structure .

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