JP3939418B2 - Filler support for through holes - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a filler support for a fire prevention compartment penetration of a building, and more specifically, a filler is filled around a long body such as an air conditioner pipe, an electric wire, or a conduit pipe inserted into a through hole of a structure. In order to close the through-hole, an annular locking portion that can be locked around the opening of the through-hole and an inner side of the through-hole through a connecting portion with respect to the locking portion. And an annular support portion that can receive the filler filled in the through-hole is divided in a radial direction, and the divided support portions obtained by dividing the support portion are engaged with each other. In a state in which the main body of the support provided with the engaging portion and the elongated body inserted through the through hole are inserted from the locking portion side , and are formed in an annular shape to be supported by the support portion, and The present invention relates to a filler support tool for a through hole provided with an auxiliary support member divided in the radial direction.
[0002]
[Prior art]
Conventionally, the filler support for the through hole is originally used for fireproof shielding of the through hole penetrating the floor slab, and is a long length inserted through the through hole H provided on the floor. The body P was filled with a filler J made of a thermally expandable putty from the floor to close the through hole H. In other words, an annular locking portion 1 that can be locked around the opening of the through hole H, and a mounting portion 5 that can be installed on the back side of the through hole H with respect to the locking portion 1 via the connecting portion 5. In a state where the support body 7 including the annular support portion 2 that can receive the filler J filled in the through hole H and the elongated body P are inserted into the through hole H, An auxiliary support member 8 that is inserted from the attachment side of the locking part 1 and formed in an annular shape so as to be able to receive the filler J in a state of being supported by the support part 2 and divided in the radial direction. ing. The locking portion 1 and the support portion 2 are both formed separately in the radial direction, and one of them is pivotally connected by an eyelet, and the support body 7 is divided into the support portion 2. An engaging portion 4 that engages and connects the support portions 3 is provided. And when the outer diameter of the said elongate body P is small with respect to the internal diameter of the said support part 2, the said filler J with which it filled in the said through-hole H is the said support part 2 and the said elongate body P. In order to prevent leakage from between, the auxiliary support member 8 is placed on the support portion 2 of the support body 7 mounted in the through hole H so as to surround the elongated body P, The filler J is configured to be filled in the through hole H. The auxiliary support member 8 is pivotally attached to one end side of one divided support member 9 and the other end side of the other divided support member 9 by eyelets for convenient handling. An engagement structure that can be engaged with each other is adopted on the end side.
[0003]
[Problems to be solved by the invention]
However, in the filler support tool of the conventional configuration, since it was originally configured to be attached to the floor slab from the floor surface, the auxiliary support member 8 is configured to be placed on the support portion 2, When the filler support having the above-described configuration is attached to the through-hole H penetrating the fire prevention compartment wall, the auxiliary support member 8 needs to be separately fastened to the support portion 2 or the connecting portion 5. In addition, in order to attach the elongated body P to the through-hole H, the annular members are all divided in the radial direction, and the auxiliary support member 8 has the support portion 2. The installation of was troublesome.
[0004]
Therefore, the filler support for a through hole according to the present invention can be easily attached to the through hole of the fire prevention compartment wall regardless of the mounting posture, and can be easily attached to the ceiling slab even from below. The purpose is to.
[0005]
[Means for Solving the Problems]
[Characteristic configuration of the present invention]
According to a first aspect of the present invention, there is provided the through hole filling material support according to the first aspect of the present invention, in order to close the through hole by filling a filler around the elongated body inserted into the through hole of the structure. An annular locking portion that can be locked around the opening of the through hole, and provided on the back side of the through hole via a connecting portion with respect to the locking portion, and filled in the through hole A support body having an annular support portion that can receive the filler is provided, and the locking portion and the support portion are each formed by dividing the support portion in the radial direction, and the support portion is divided. Engagement portions are provided on the respective end portions so that the end portions can be engaged and connected to each other, and the elongated body is inserted into the through hole and inserted from the locking portion side to support the support. Filler support for through-holes formed in an annular body to be supported by the part and provided with auxiliary support members divided in the radial direction In the to the bracket body, in that is provided with engagement means for engaging and holding said auxiliary support member.
[0006]
In addition, as described in claim 2, the engaging portion in the characteristic configuration of the filler support member according to claim 1 is caused such that one end portion of each of the divided support portions is raised toward the locking portion side, and the other end portion of the other is provided. It is formed on the engaging surface portion that is inclined so as to be able to be engaged, and is configured to engage one end portion and the other end portion of the two divided support portions with each other,
The other end portion of the divided support member obtained by dividing the auxiliary support member is aligned with the other end portion of the divided support portion, and the other end portion of the aligned divided support member and the other end portion of the divided support portion are It is preferable that the engaging means is formed by engaging with the engaging surface portion .
[0007]
In addition, in order to provide the engaging means in the characteristic configuration of the filler support according to claim 1 as described in claim 3, the auxiliary support member can be engaged with the connecting portion of the connecting portion with the support portion. It is also preferable that the supporting member engaging portion is bent to form the auxiliary supporting member so that it can be held in contact with the supporting member engaging portion.
[0008]
Furthermore, in order to provide the engagement means in the characteristic configuration of the filler support according to claim 1 as described in claim 4, the connection portion is connected to the engagement portion from the coupling portion with the support portion in the vicinity of the support portion. It is also preferable to form a support member engagement portion that is inclined inward toward the stop portion and engages the auxiliary support member.
[0009]
Further, as described in claim 5, the connecting member in the characteristic configuration of the filler support member according to claim 4 is curved so as to bulge inward to form the support member engaging portion. If it exists, it is more preferable.
[0010]
[Operation and effect of feature composition]
According to the characteristic configuration of the filler support according to the first aspect of the present invention, the auxiliary support member that should hold the filler is provided in the support body even in the lateral through-hole provided in the wall. It can prevent falling off from the support part. In other words, when the air conditioning pipe or the like is penetrated through a through hole formed in a wall such as a fire prevention partition wall or the like, the filler that should close the through hole is filled in the lateral direction. Since the auxiliary support member can be held by the engaging means on the support body inserted and fixed to the support body, even if the support body is inserted as it is, the auxiliary support member is dropped from the support body. Therefore, the through hole can be easily filled with the filler.
[0011]
According to the characteristic configuration of the filler support according to the second aspect of the invention, in addition to the effect of the characteristic configuration according to the first aspect of the invention, the auxiliary support member can be easily attached to the support body. Can be fixed. That is, the auxiliary support member can be easily attached to the support portion by engaging and holding the end portion of the auxiliary support member with the engagement portion of the support portion.
[0012]
According to the characteristic configuration of the filler support according to the third aspect of the invention, in addition to the function and effect of the characteristic configuration according to the first aspect of the invention, the auxiliary support member can be easily fixed to the support body. it can. That is, the auxiliary support member can be easily attached to the support portion by engaging and holding the auxiliary support member in the support member engaging portion.
[0013]
Also according to the characteristic configuration of the filler support according to the invention described in claim 4, in addition to the operational effects of the characteristic configuration according to the invention according to claim 1, the auxiliary support member is simply fixed to the support body. it can. That is, the auxiliary support member can be easily attached to the support portion by elastically engaging and holding the auxiliary support member in the support member engagement portion.
[0014]
According to the characteristic configuration of the filler support according to the fifth aspect of the present invention, in the characteristic configuration according to the fourth aspect of the present invention, the shape of the support main body is simplified and at the same time the auxiliary support member. Easy to install. That is, since the auxiliary support member is fitted into the connecting portion and pushed toward the support portion, the support tool main body is assembled regardless of the posture of the support tool main body even in the assembled state. The auxiliary support member can be easily attached to the support tool main body.
[0015]
Therefore, according to the invention described in any of the above claims, the auxiliary support member can be stably attached to the support body regardless of the posture of the support body.
[0016]
As a result, it is possible to easily attach the filler support to the through-hole of the fire prevention compartment wall and to easily attach to the ceiling slab even from below.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an example of an embodiment of a filler support for a through hole according to the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected about the point which overlaps with the content demonstrated by the term of a prior art previously, and one part description is abbreviate | omitted.
[0018]
The filler support tool S of the present invention is not limited to a floor slab through hole, but also has a thermally expandable putty around a long body P such as an air conditioning pipe inserted into a through hole H of a structure such as a fire prevention partition wall of a building. Filling material J made of a refractory such as the above is filled, and the through hole H is closed against the occurrence of a fire in the adjacent chamber to prevent hot air from flowing through the through hole H and burning it off.
[0019]
The support body 7 of the filler support S can receive the filler inside the through-hole H in the locking portion 1 formed in an annular body so as to be attachable to the opening of the through-hole H. The support portion 2 formed in the annular body is attached and configured via the connecting portion 5 formed of four plate-like bodies. The support body 7 is divided in the radial direction, and the locking portion 1 and the support portion 2 are both divided in the radial direction. In the support body 7 having the divided structure, one end side of both divided support portions 3 obtained by dividing the support portion 2 in the radial direction can be caused to engage with the other end portion side. An engaging portion 4 is formed on the engaging surface portion 3a that is inclined toward the locking portion 1 and engages and connects the end portions of the divided support portion 3. The inclination of the engaging surface portion 3a is to allow the other end portion side to be introduced into the connecting position without being caught.
[0020]
The auxiliary support member 8 that can be held in a state where the filler J that is locked in the support portion 2 and is filled in the through hole H is locked in the support portion 2 in the filling space is The outer peripheral portion corresponding to the connecting portion 5 is formed with an engagement notch portion 8a which is bent at a substantially right angle on one side, and is divided in the radial direction. The support member 9 is divided and formed.
As shown in FIGS. 1 to 3, the other end portion 9 a of the divided support member 9 is an engagement surface portion of the divided support portion 3 in a superposed state aligned with the other end portion of the divided support portion 3. It is comprised so that engagement to 3a is possible. The cut-and-raised piece 8b bent to the one side to form the engagement notch 8a serves to stabilize the position of the divided support member 9 along the inner surface of the connecting portion 5.
[0021]
The engaging surface portion 3 a and the other end portion 9 a of the divided support member 9 constitute engaging means 10 that engages and holds the auxiliary support member 8 with the support portion 2 . That is, the other end portion 9a of the divided support member 9 obtained by dividing the auxiliary support member 8 is aligned with the other end portion of the divided support portion 3, and the other end portion 9a of the aligned divided support member 9 is divided and supported. The engaging means 10 is formed by engaging the other end portion of the portion 3 with the engaging surface portion 3a.
[0022]
The filling construction of the filling material into the through-hole through which the air-conditioning pipe which is a kind of elongated body is inserted into the fire prevention partition wall having the above configuration will be described. First, the indoor side with respect to the air-conditioning pipe P inserted through the through-hole H The divided locking portions 1A obtained by dividing the locking portion 1 in the radial direction from each other are swung to the open side around the eyelets that pivotally connect the both, so that the support body 7 surrounds the air conditioning pipe P. In the state where the two divided support members 9 obtained by dividing the auxiliary support member 8 are respectively applied to the divided support portions 3 obtained by dividing the support portion 2, the respective engagement notches 8 a are connected to the connecting portions of the support body 7. 5, the divided locking portion 1 </ b> A is swung in the reverse direction again and closed, and the other end portion is engaged with the engaging portion 4 at one end portion of the divided support portion 3, thereby supporting the divided support. The parts 3 are connected to each other. At this time, the engaging end portions 9 a of the two divided support members 9 are guided by the engaging surface portion 3 a of the divided support portion 3 and are sandwiched between the other end portions of the other divided support portion 3. It becomes like this. Thus, the integrated filler support S is inserted into the through hole H along the air conditioning pipe P, the locking portion 1 is attached to the wall surface of the fire prevention compartment wall, and thermal expansion is performed in the through hole H. The filler J made of a conductive putty is filled. Thereafter, the lid member 11 in which the filler J is filled and held in advance is attached to the locking portion 1.
[0023]
[Another embodiment]
<1> The support portion of the connecting portion 5 that connects the support portion 2 to the locking portion 1 to form the engaging means 10 for engaging the auxiliary support member 8 with the support body 7. 2, a support member engaging portion 6 into which the auxiliary support member 8 can be engaged is bent and formed so that the auxiliary support member 8 contacts the support portion 2. It may be configured to be held freely. For example, the inner diameter of the support member engaging portion 6 is formed to be greater than or equal to the outer diameter of the auxiliary support member 8, and the auxiliary support member 8 is pivotally connected to one of the divided support members 9 by eyelets. It swings to the closed side in a state of being externally fitted to the body P, and is fitted into each of the connecting portions 5 of the support tool body 7 in a state where the engagement notch portion 8a is closed, The outer peripheral portion of the auxiliary support member 8 may be engaged with the support member engaging portion 6 by rotating in the circumferential direction in a contact state.
[0024]
<2> Further, in order to form the engaging means 10, the auxiliary support member 8 is formed in the same manner as in the above <1>, and the connecting portion 5 is connected to the support portion 2 in the vicinity of the support portion 2. You may incline inward toward the said latching | locking part 1 from the coupling part of this. Thus, the said connection part 5 is formed, and the cut-and-raised piece 8b of the engagement notch part 8a of the auxiliary | assistant support member 8 in said <1> spreads the said connection part 5 in the said latching | locking part 1 side. However, when the auxiliary support member 8 is in contact with the support portion 2, the auxiliary support member 8 is connected to the connection portion 5 by the elastic force acting between the cut and raised piece 8 b and the connection portion 5. Part 5 is supported. Accordingly, even when the ceiling slab is constructed so as to face upward from the room, the auxiliary support member 8 is stably held.
[0025]
<3> It should be noted that if the connecting portion 5 is curved so as to bulge inward, the auxiliary support member 8 can be pushed in without difficulty as described above.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view for explaining the structure of an example of a filler support according to the present invention. FIG. 2 is a longitudinal sectional view of a main part showing a state in which the filler support shown in FIG. FIG. 4 is a perspective view showing another example of the attachment state of the auxiliary support member to the support body. FIG. 4 is a perspective view showing another example of the attachment state of the auxiliary support member to the support body. FIG. 6 is a perspective view showing another example of the attachment state of the auxiliary support member to the support tool main body. FIG. 7 is a perspective view showing the mounting state of the support tool main body in the through hole. FIG. 8 is an exploded perspective view for explaining the structure of an example of a conventional filler support tool.
DESCRIPTION OF SYMBOLS 1 Locking part 2 Support part 3 Division | segmentation support part 3a Engagement surface part 4 Engagement part 5 Connection part 6 Support member engagement part 7 Support tool main body 8 Auxiliary support member 9 Division support member 9a Engagement end part 10 Through hole J Filler P Long body

Claims (5)

In order to close the through hole by filling a filler around the elongated body inserted through the through hole of the structure,
An annular locking portion that can be locked around the opening of the through hole;
A support body provided with an annular support portion provided on the back side of the through-hole via a connecting portion with respect to the locking portion and capable of receiving the filler filled in the through-hole. ,
The locking portion and the support portion are formed by dividing each in the radial direction,
Each of the end portions of the divided support portions obtained by dividing the support portion is provided with an engagement portion that allows the end portions to be engaged and connected.
An auxiliary support member that is formed in an annular body that is inserted from the locking portion side and supported by the support portion in a state where the elongated body is inserted into the through hole, and is divided in the radial direction. A filler support for a through-hole provided,
A filler support for a through hole in which an engagement means for engaging and holding the auxiliary support member is provided in the support body. The engaging part is formed on an engaging surface part in which one end side of the both split support parts is inclined toward the locking part side, and the other end part of the both split support parts is engageable. One end and the other end of the other are engaged with each other,
The other end portion of the divided support member obtained by dividing the auxiliary support member is aligned with the other end portion of the divided support portion, and the other end portion of the aligned divided support member and the other end portion of the divided support portion are The filler support for a through hole according to claim 1 , wherein the engaging means is formed by engaging with an engaging surface portion . To provide the engaging means,
Bending a support member engaging portion into which the auxiliary support member can be engaged in a joint portion between the connecting portion and the support portion;
The filler support for a through hole according to claim 1, wherein the auxiliary support member is configured to be able to hold the auxiliary support member in a state of contacting the support member engaging portion with the support portion. To provide the engaging means,
The connecting portion is inclined inward from the coupling portion with the support portion toward the locking portion in the vicinity of the support portion,
The filler support for a through hole according to claim 1, wherein the filler support is formed in a support member engaging portion that engages the auxiliary support member.   The filler support for a through hole according to claim 4, wherein the support member engaging portion is formed by bending so that the connecting portion bulges inward.

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