JP2000240268A - Closing material support - Google Patents

Abstract

PROBLEM TO BE SOLVED: To install a closing material support even if there is an obstruction in the circumference of an opening part of a through hole for passing through a long body. SOLUTION: In a closing material support for a through hole supporting a closing material 1 loaded in a circumferential space V of the inserted part of a long body P in a through hole H for inserting the long body of a structural body S, the support body G is provided with a support part 7 freely receiving the closing material loaded in the through hole H in its loading direction front side and a lock part 9 locked to the circumference of the opening part 8 of the through hole H, and the lock part 9 is formed into a C-shaped annulus formed by notching a part of the annulus along the circumference of the opening part 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a structure (for example,
An obstruction material (having a thermal expansion property) that is loaded into a space around a portion where a long body (for example, an air-conditioning pipe, a water supply / drainage pipe, an electric wire, etc.) is inserted in a long body insertion through hole for a floor, a wall, a ceiling, or the like. The present invention relates to a through hole plugging member support capable of supporting a refractory putty, mortar, concrete, and the like.

[0002]

2. Description of the Related Art Conventionally, as this kind of blocking member support,
As shown in FIG. 10, a support portion 7 capable of receiving the closing material 1 loaded in the through hole H at the front side in the loading direction.
In some cases, a support main body G is provided with an annular locking portion 9 which can be locked around the opening 8 of the through hole H over the entire circumference.

[0003]

According to the above-mentioned conventional closing member support, when it is installed in the through hole, the locking portion is located over the entire periphery of the opening. Therefore, at least, if there is an obstacle in that part, it will be difficult to install. An example will be described. For example, as shown in FIG. 11, the elongate body is provided under the floor between the slab (an example of the structure) S and the floor plate 4 provided thereon. In the case where the drainage pipe P is disposed in the space 5 and the drainage pipe P is provided with a branch joint P3 at a through hole insertion portion, the branch joint P3 hinders the engagement of the locking portion 9 with the slab S. There is a problem that it cannot be installed along the state. Therefore, in such a case, the locking portion 9 is provided between the branch joint P3 and the slab.
Must be moved up the entire drainpipe so that the water enters. However, the drain pipe needs to maintain the minimum gradient for the water to flow, and as a result, the height of the underfloor space increases by the amount of upward movement, and the height of the indoor space on the floorboard Or the height of the floor must be increased, leading to an increase in the cost of the structure. Obviously, the obstacles to the installation of the obstruction member supporter are not limited to the branch joints, and any other objects (other pipes, adjacent walls, and the like) may be obstructed. If it is located around the opening 8 where is located, it will be an obstacle.

Accordingly, an object of the present invention is to solve the above-mentioned problems and to provide an obturator supporting member which can be installed even if there is an obstacle around the opening of the through-hole for penetrating the elongated body. There.

[0005]

As shown in FIGS. 4 to 9, a feature of the first aspect of the present invention is that an elongated portion P is inserted through a through hole H for inserting an elongated portion of a structure S. A supporting member having a through-hole capable of supporting the plugging material 1 loaded in the surrounding space V, the supporting portion being capable of receiving the plugging material 1 loaded in the through-hole H at the front side in the loading direction. 7 and a locking portion 9 which can be locked around the opening 8 of the through hole H, is provided on the support body G, and the locking portion 9 is formed in a ring shape along the circumference of the opening 8. The part is formed in a C ring shape with a cutout. According to the characteristic configuration of the first aspect of the present invention, the blocking member can be received by the support portion in the through hole, and the support body having the support portion is provided with the support portion. It can be installed in a state where it is locked in a wide range around the periphery. Therefore, the weight of the closing member, the weight of the long body transmitted through the closing member and the external force to the long body are transmitted to the structure over a wide range by the locking portion, and a stable mounting state is maintained. It is possible to reliably support the closing member in the through hole. Further, since the locking portion is formed in a C-shape in which a part of an annular shape along the periphery of the opening is cut out, for example, when there is an obstacle around the opening of the through hole. Even by positioning the notch of the locking portion at the obstacle, the support body can be arranged in a state avoiding the obstacle,
The locking portion can be installed along the periphery of the opening. Therefore, regardless of the presence or absence of an obstacle around the opening of the through-hole, it is possible to install the closing member in a state where it can be supported in the through-hole. For example, as described above, even if the long body includes the branch joint of the drain pipe, and the drain pipe is installed in a state where the branch joint contacts the structure, By locating the notch at the location of the branch joint, it becomes possible to install it without any problem. As a result, it is possible to minimize the underfloor height and secure a greater overfloor height.

As shown in FIGS. 4 to 8, the C-shaped locking portion 9 is provided with an interval adjusting mechanism K capable of adjusting the distance between the ends. There. According to the characteristic configuration of the second aspect of the invention, in addition to achieving the function and effect of the first aspect of the invention, the notch dimension (the distance between the ends) of the locking portion can be reduced by the interval adjusting mechanism. The size of the notch can be changed, and the size of the notch can be adjusted according to the size of an obstacle located around the opening of the through hole. That is, when the obstacle is located in a wide range, the gap adjusting mechanism adjusts the notch size of the locking portion to be large, and when the obstacle is located only in a narrow range, In such a manner that the notch size of the locking portion is adjusted to be small by the interval adjusting mechanism, it is possible to cope with various installation environment conditions, and it is possible to provide a highly versatile closing member support. . Further, while achieving the above-described improvement in versatility, by adjusting the notch size of the locking portion to be the minimum by the gap adjusting mechanism, locking can be performed in a wider range, The force applied to the locking portion can be dispersed over a wide range and transmitted to the structure, so that more stable support of the closing member can be achieved. Further, in an installation environment where the periphery of the opening is exposed, the notch dimension is adjusted by the gap adjusting mechanism, so that the end of the locking portion is fitted to the obstacle. It is possible to prevent the end of the member from being unsightly exposed and improve the aesthetics of the installation location of the closing member support.

The characteristic structure of the third aspect of the present invention is as shown in FIGS.
Is formed by a plurality of members, and is constituted by a slide mechanism that slidably connects the respective members. According to the characteristic configuration of the third aspect of the present invention, in addition to the effect of the first or second aspect of the present invention, in addition to simply shifting each member of the locking portion by the slide mechanism, the above-mentioned configuration is easily achieved. The notch size can be adjusted, and the efficiency of installation work in the through hole can be improved. Further, by displacing each member of the locking portion so that the ends of the C-shaped locking portion approach each other by the slide mechanism, the locking portion is installed in a state where the locking portion end enters the back side of the obstacle. It is also easy to carry out, and it is possible to achieve the function and effect of the invention of claim 1 or 2 in a more preferable state.

[0008] As described above, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the accompanying drawings.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. In the drawings, portions denoted by the same reference numerals as those of the conventional example indicate the same or corresponding portions.

This embodiment is an embodiment of the obstruction member support of the present invention, and as shown in FIG. 2, a through hole for inserting a drain pipe of a slab (an example of a structure) S (a through hole for inserting a long body). An example of a hole) An obstruction material support capable of supporting a heat-expandable refractory putty (an example of an obstruction material) 1 to be loaded in a surrounding space V of a portion where a drain pipe (an example of a long body) P is inserted in H. An example in which the tool 2 is installed in the through hole H and the fireproof penetration part 3 is formed will be described.

The slab S is made of reinforced concrete, and a floor plate 4 is installed above the slab S at intervals as shown in FIG. And the floor board 4
In the underfloor space 5 between the slab S and the slab S, the first drain pipe P1 from a drainage device (for example, a wash basin or a sink) 6 installed on the floor plate 4 is arranged so as to have a necessary gradient as a drain pipe. I have. The first drain pipe P1 is connected to a second drain pipe P2 vertically penetrating through the through hole H of the slab S via a branch joint P3. Accordingly, in the through hole H, a part of the branch joint P3 and the second drain pipe P2
Part of is located. Further, the lower surface of the outer peripheral surface of the branch joint P3 on the first drain pipe P1 side is arranged in a state of contacting the upper surface of the slab S. Therefore, the underfloor space 5
Is set to be a minimum value in a range where a minimum gradient necessary for the function as the first drain pipe P1 can be secured. Incidentally, the first drain pipe P1, the second drain pipe P2, and the branch joint P3 are referred to as the drain pipe P.
In addition, since each drain pipe P uses a pipe made of vinyl chloride, if a fire occurs on any of the upper and lower floors sandwiching the slab, there is a concern that the fire from the burn hole of the pipe may spread. In order to prevent this, the surrounding space V is filled with a refractory putty 1 having a thermal expansion property. That is, when the refractory putty 1 expands due to the heat of the fire, the burn hole of the pipe is closed to prevent the spread of fire.

The closing member support 2 will be described. As shown in FIGS. 2 and 3, the closing member support 2 is provided with the through hole H.
A support portion 7 capable of receiving the refractory putty 1 loaded therein in a front side in the loading direction, a locking portion 9 capable of locking around an opening 8 of the through hole H, and a support portion 7. And a connecting portion 10 for integrally connecting the locking portion 9 with the supporting portion 9. The support portion 7 is formed of a plate-like member so as to be located between the inner peripheral wall of the through hole H and the outer periphery of the drain pipe P in a state where the support portion 7 is disposed in the through hole H. It is formed in an arc plate shape along the peripheral wall of the through hole.
The connecting portion 10 is formed in a curved shape along the peripheral wall of the through hole H, and is provided with a plurality of windows 10a. The window portion 10a can improve the hermeticity of the through hole H by directly contacting the through hole H peripheral wall through the window portion 10a when the refractory putty 1 arranged in the surrounding space V thermally expands. It is provided. The support portion 7 is integrally provided at the lower end of the connecting portion 10, and the locking portion 9 is integrally provided at the upper end of the connecting portion 10. The locking part 9
Is formed in a flange shape along the peripheral edge of the opening 8 and in a C-shape in which a part of an annular shape along the periphery of the opening 8 is cut out.

As shown in FIGS. 3 to 6, the support main body G includes two first main bodies G1 and a second main body G2 which are relatively slidably fitted around the longitudinal axis of the support main body G. The first main body G1 and the second main body G2 are provided with the support part 7, the locking part 9, and the connecting part 10, respectively. Then, the second main body G2 is assembled so as to overlap the first main body G1.

The first main body G1 is formed by
The first support portion 7A set in a range of about 180 degrees around the vertical axis of the support body G, and the first support portion 7A of the locking portion 9 set in a range of about 140 degrees around the vertical axis. One lock 9A
And a first connecting portion 10A connecting them. Further, the first support portion 7A is provided with a first connecting portion 10A.
A from the partition surface 11 protruding from the center axis side
The short support portion 7Aa is set in a range of about 50 degrees around the vertical axis, and the long support portion 7Ab is set in a range of about 130 degrees around the vertical axis. As described above, the first connecting portion 10A has the partition surface portions 11 formed at both left and right end portions of the short support portion 7Aa. The first locking portion 9A has an outer peripheral edge bent downward, and the lower end of the bent portion 9a contacts the upper surface of the slab S in a state where the closing member support 2 is installed in the through hole H. It locks by hitting. Further, a screw 12 having an enlarged diameter head is attached to an intermediate portion in the longitudinal direction of the first locking portion 9A. The screw 12 includes the first main body G1 and the second main body G2.
And a function of defining a start point and an end point of a relative sliding position of the first main body G1 and the second main body G2. In addition, at the intermediate portion in the longitudinal direction of the first locking portion 9A, the screw 12 is provided with an interval,
A screw insertion hole 13 for screwing the closing member support 2 to the slab is formed, and the first main body G1 and the second main body G2 are relatively slid in the extending direction.
The screw can be fixed to the slab using the screw insertion hole 13.

[0015] The second main body G2 includes
The second support portion 7B set in a range of about 130 degrees around the vertical axis of the support body G, and the second support portion 7B of the locking portion 9 set in a range of about 190 degrees around the vertical axis. Double locking part 9B
And a second connecting portion 10B for connecting them. In addition, the second support portion 7B is connected to the second connecting portion 10.
B are formed on a single support portion by partitioning surface portions 14 protruding from both left and right ends toward the longitudinal axis. As described above, the second connecting portion 10B is connected to the second support portion 7B.
A partition surface portion 14 is formed so as to partition the left and right end portions. Like the first locking portion 9B, the second locking portion 9B is provided with a bent portion 9b by bending an outer peripheral edge portion downward, and in a state where the bending portion 9b overlaps the first locking portion 9B, First locking part 9
It is configured to be the same height as the lower end of the bent portion 9a of B and to be able to contact and lock the upper surface of the slab S. The first locking portion 9A has a slit 1 along the longitudinal direction.
The screw portion of the screw 12 of the first locking portion 9A is provided so as to pass through the slit 15. Therefore, each bent portion 9 of both locking portions 9A and 9B
a and 9b contact each other to serve as slide guides for each other, and because the screws 12 penetrate into the slits 15, each serve as a slide guide,
The first main body G1 and the second main body G2 can relatively slide within a predetermined range along the longitudinal direction.
A slide mechanism L is constituted by the bent portions 9a and 9b, and the slit 15 and the screw 12. In addition, since the said closure support is installed in a fireproof penetration part, it is formed of metal so that it may not be burned.

The refractory putty 1 arranged in the surrounding space V will be described. As described above, the refractory putty 1 is made of a refractory substance (main components are an inorganic filler and an expanding agent).
And has the property of expanding to about 3 to 4 times the volume when receiving heat. Even if the drain pipe P disappears in the event of a fire, it fills the through hole H to close it. There is. In the present embodiment, a sheet-shaped member having a thickness substantially equal to the width of the support portion 7 is used. The refractory putty 1 has a shape corresponding to each supporting portion, and is provided with the first refractory putty 1A provided in a state of being fitted into the short supporting portion 7Aa of the first supporting portion 7A. A second refractory putty 1B provided in a state of being fitted into the support portion 7B, and an inserted refractory putty inserted into the putty accommodating space on the long support portion 7Ab after the closing member support 2 is installed in the through hole H. 1C (see FIG. 4). When the first refractory putty 1A and the second refractory putty 1B are inserted into the sheet-shaped one while being curvedly deformed between each of the pair of partition surfaces 11 and the pair of partition surfaces 14, the restoring force of the putties causes the left and right end surfaces to be left and right. The portion is pressed against the partitioning surface portions 11 and 14 to be restrained, and can be attached while maintaining a curved shape (see FIG. 3). The inserted refractory putty 1C is previously fitted in a metal frame F as shown in FIGS. 3 and 4, and is kept in a curved shape.
The metal frame F is formed so as to be in surface contact with substantially the entire lower end surface and both side edges of the inserted refractory putty 1C and a part of the outer peripheral portion. Is a hook portion 16 for hooking on the connecting portion 10
Are provided.

Next, a procedure for forming the fireproof penetration portion 3 using the closing member support 2 will be described. [1] A drain pipe P is installed in the through hole H as shown in FIG. [2] Obstruction member support 2 is prepared. At this time, the support body G is moved by the slide mechanism L to the first body G1.
And the second main body G2 are positioned such that the overlap between them and the second main body G2 is maximized. That is, the notch between the ends of the locking portion 9 is kept in a compact state with the largest notch dimension. Incidentally, a first refractory putty 1A and a second refractory putty 1B are attached to the short supporting portion 7Aa and the second supporting portion 7B of the first supporting portion 7A, respectively (see FIG. 4). [3] Insert the closing member support 2 in the most compact state into the through hole H. That is, the support portion 7 and the connecting portion 1
0 is set between the peripheral wall of the through hole H and the drain pipe P. [4] The first main body G1 and the second main body G2 are relatively slid in the spreading direction (see FIG. 5), and the branch joint P3 is located in the notch 17 between the ends of the locking portion 9. To place. By this sliding movement, the second refractory putty 1B on the second support portion 7B is fed into the space below the branch joint P3 of the drain pipe P. That is, the presence of the branch joint P3 allows the putty to be positioned smoothly despite the position where the putty is difficult to pack. [5] Next, the inserted refractory putty 1C is inserted into the long support portion 7Ab from above. In this state, the long support 7
The metal frame F of the inserted refractory putty 1C is in contact with Ab, and the hook 16 of the metal frame is hooked on the second connecting portion 10B. Then, the surrounding space V is in a state in which the refractory putty 1 is loaded over the entire circumference (see FIG. 6). [6] The screw 12 is tightened to fix the first main body G1 and the second main body G2, and the screw is fixed to the slab S using the screw insertion hole 13 (see FIG. 6). [7] If necessary, cover the recessed portion of the opening 8 with a blind filler (see FIG. 2).

According to the above procedure, it is possible to easily and efficiently construct the fireproof penetration portion 3 even in a place where a branch pipe exists.

[Another Embodiment] Another embodiment will be described below.

<1> As described in the previous embodiment, the closing member support is not limited to the use in which the obstruction support is installed from above in the through-hole of the slab. It is also possible to adopt a use form of installation or a use form of installation in a lateral direction with respect to a wall.
Therefore, the structure is not limited to a slab, but may be a wall or a ceiling. Further, the elongated body is not limited to the drain pipe described above, and may be, for example, an air-conditioning pipe, a water supply pipe, a pipe such as a conduit, or an electric wire. Further, the closing material is not limited to the fire-resistant putty described in the above embodiment. For example, when the long body itself has fire-resistant performance, it can be made of mortar or concrete. <2> The support tool main body is not limited to the one configured by the two components (the first main body G1 and the second main body G2) described in the above embodiment, but may be configured by, for example, three or more members. There may be. Furthermore, it may be constituted by a single member. In that case, the structure is simple and the production effort is hardly required, so that it can be formed at low cost.
Further, it is not always necessary to provide the slide mechanism L. In short, it is sufficient that the locking portion 9 is formed in a C-shape in which a part of an annular shape along the periphery of the opening 8 is cut out. Each of the supporting portion, the connecting portion, and the locking portion can be changed in shape, positional relationship, and the like. For example, in addition to the through-hole having a circular cross section, the cross-sectional shape is polygonal (for example, square In the case of (2), a support body may be formed in a C-shape in a polygonal shape along the through hole. <3> The slide mechanism is not limited to a structure in which a plurality of members slide along the circumferential direction of the through hole as described in the previous embodiment. For example, as shown in FIG. It is also possible to adopt a configuration that slides along the radial direction of. In addition, according to these slide mechanisms, by adjusting the slide amount between the plurality of members, the separation distance between the ends of the C-shaped locking portion 9, in other words, the notch 17 width between both ends is measured. Can be adjusted. Accordingly, an interval adjusting mechanism K for adjusting the interval between the ends of the locking portion 9 by the slide mechanism is configured. With the provision of the gap adjusting mechanism K, an obstacle such as the branch joint can be prevented from passing through the through hole H.
When it is around, the shape of the locking portion can be changed according to the size of the obstacle. Needless to say, the interval adjusting mechanism K is not limited to the one configured by the slide mechanism described in the above embodiment, and may be, as shown in FIG.
The protruding piece 18 may be pivotally supported at the end of the lock member 9 so that the protruding piece 18 can be rotated so as to be able to move out of the end of the locking portion 9. <4> On the other hand, the slide mechanism has a function of setting the length of the C-shaped annular portion of the locking portion, and the closing member 1 on the support portion 9.
Has also been described as having a function of feeding the same to another location on the circumference, but the feeding mechanism R can also be realized separately from the locking mechanism slide mechanism described in the previous embodiment. For example, as shown in FIG. 9, only the partition surface portion 11 (or 14) described in the above embodiment may be configured to be able to move in the through hole H along the circumferential direction. Even when the opening 9 is partly covered with an obstacle to form a shadow and it is difficult to evenly insert the obstruction material 1 into the surrounding space V, the obstruction material may be located at a place where the obstruction material 1 can be inserted. After inserting 1, the feeding mechanism R feeds the shaded portion, whereby the entire surrounding space can be reliably loaded with the blocking material.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing the installation status of a drain pipe.

FIG. 2 is an explanatory side view showing an installation state of a plugging member support.

FIG. 3 is an exploded perspective view showing an obstruction member support.

FIG. 4 is a perspective view showing a plugging member support.

FIG. 5 is a top view explanatory view showing a plugging member support.

FIG. 6 is a top view explanatory view showing the installation state of the plugging member support.

FIG. 7 is a top view showing a main part of an obstruction member support of another embodiment.

FIG. 8 is a top view showing a main part of an occlusion material support device of another embodiment.

FIG. 9 is a perspective view showing an obstruction member support of another embodiment.

FIG. 10 is a partially cutaway perspective view showing an installation state of a conventional blocking member support.

FIG. 11 is an explanatory view showing the installation state of a conventional plugging member support.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Closure material 7 Support part 8 Opening part 9 Lock part G Support body H Through-hole for long body insertion K Interval adjustment mechanism L Slide mechanism P Long body S Structure V Surrounding space

Claims (3)

[Claims] 1. A plugging member supporter for a through hole capable of supporting a plugging material loaded in a space around an insertion portion of a long body in a through hole for insertion of a long body in a structure. A support member capable of receiving the obstruction material loaded in the hole at the front side in the loading direction thereof, and a locking portion capable of locking around the opening of the through hole, provided on the support body; An obturator supporting member, wherein the locking portion is formed in a C-shape in which a part of an annular shape along the periphery of the opening is cut out. 2. The C-shaped locking portion is provided with an interval adjusting mechanism capable of adjusting a separation distance between end portions.
4. The plugging member support according to claim 1. 3. The closing member support according to claim 2, wherein the gap adjusting mechanism is formed by a slide mechanism that forms the locking portion with a plurality of members and slidably connects the respective members. Utensils.