JPH1127843A - Special part sidewall and special part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a special part which has special part sidewalls which are approximately flat-plate-shaped, to be easy to handle and small in size. SOLUTION: A plurality of approximately circuit through-hole type fit-insertion parts 15 which pierce thicknesswise through a connection part 12 which is made of synthetic resin, concrete, etc., and formed into a plate shape with a plurality of reinforcing rods 19 protruding from its circumference. A sealing member 17 is attached to the inner circumference part of the one side end of each fit-insertion part 15. The connection part 12 is placed in a molding box and concrete, synthetic resin, etc., is cast into the circumferences of the connection part 12 and cured to integrally form a wall part 13 with the connection part 12, and a special part sidewall 3 is obtained. The sidewalls 3 are attached to the sides of the opening of a main part, a working space 4 is defined inside, and an approximately box-shaped special part 1 is formed. With this constitution, the sidewall which as a simple flat-plate-shaped construction with a plurality of through-holes, is made of a properly selected material, has the properly selected wall part 13, can be formed easily at a low cost, has improved ease of handling and ease of manufacturing and facilitates size reduction. Further, the sealing can be maintained easily through only one action of inserting a pipe into the fit-insertion part 15, and installation ease can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a special wall and a special portion having a sealing member which is in close contact with the outer peripheral surface of a tube and having a tube inserted and held to define a groove.

[0002]

2. Description of the Related Art Conventionally, for example, a special-part diaper wall forming a side wall of a special part such as a substantially box-shaped branch part and a connection part which divides a working space serving as a relay point of an electric wire common groove is shown in FIG. And the structure shown in FIG. 22 are known.

[0003] Then, a special portion masonry wall 101 shown in FIG.
Constitutes a side wall of a special portion 103 which is formed in a substantially box shape and whose upper surface is openably and closably closed by a lid 102, and which has a plurality of through-holes into which ends of a tube 104 through which electric wires are inserted are inserted. It has a fitting portion 105, and the end of the tube 104 is fitted into the fitting portion 105, and the fitting portion 1
A configuration is adopted in which a gap between the tube 05 and the tube 104 is filled with a mortar 106 or the like and closed, and the special portion 103 and the tube 104 are joined.

[0004] On the other hand, the special portion masonry wall 110 shown in FIG.
As in the case of the conventional special portion wall 101 shown in FIG. 21, the special portion is formed in a substantially box shape and the upper surface is closed by a lid so as to be freely opened and closed.
The side wall of the connecting pipe 111 has a plurality of through-holes 112, one end of which extends into a trumpet-like shape. The connection pipe 113 is fixed by closing the gap between the insertion hole 112 and the connection pipe 113 by filling it with mortar 114 or the like and closing the gap. The other end of the connecting tube 113 protruding from the outer surface of the special portion wall 110 has a tube 115 formed on the inner peripheral surface of the end.
Is inserted until the end of the tube 115 comes into contact with the outer surface of the end wall 110, and the special portion 111 and the tube 115 are joined.

[0005]

However, in the configuration of the conventional special-part wall 101 shown in FIG. 21 and the conventional special-part wall 110 shown in FIG. 22, the mortars 106 and 11 are not provided.
It is necessary to close the gap by 4 etc., so the work is complicated and the construction time cannot be shortened. In addition, in the special portion wall 110 shown in FIG. 22, it is necessary to provide a communication hole 116 in the pipe 115.

In view of the above, for example, a special part wall 121 having the structure shown in FIG. 23 is not known but has been proposed. This figure 2
3 is a composite part in which a sealing member such as an O-ring (not shown) is provided on the inner peripheral surface at a predetermined position on a bottom plate 123 of a mold frame 122 formed in a box shape having an open upper surface. A plurality of joint pipes 125 made of resin are fixed with bolts 126, and reinforcing steel bars 127 are arranged in a formwork 122, and concrete
128 is cast into a mold 122 and cured.
A joint pipe 125 protruding from the flat surface of the special part wall 121 in the electric wire common groove is disposed so as to be located on the side where the pipe is located along the groove direction of the electric wire common groove, and a working space is defined inside. The special part and the pipe are joined by fitting the pipe into the joint pipe 125 and bringing the seal member into close contact with the outer peripheral surface of the pipe.

[0007] However, in the special portion masonry wall 121 shown in FIG.
Since it is in a state where 125 is protruded, the external dimensions are enlarged, and when stress is applied to the joint pipe 125 from the outside,
The joint pipe 125 is easily damaged so that it can be removed. Also, since a large number of joint pipes 125 are attached, joint pipes 125 having different lengths are alternately positioned and attached with bolts 126, so that the number of parts is increased, the production is complicated, and the production cost is increased.

SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a small special portion wall and a special portion which are substantially flat in outer shape, easy to handle, easy to manufacture, and small.

[0009]

According to a first aspect of the present invention, there is provided a special portion diaper wall having a substantially plate-like sealing member which is in close contact with an outer peripheral surface of the pipe on an inner peripheral surface into which an end of the pipe is inserted. It has a through-hole shaped insertion portion provided. And since it is a substantially plate-like shape provided with a sealing member in which the outer peripheral surface of the tube is closely attached to the inner peripheral surface of the through-hole-shaped insertion portion into which the end portion of the tube is inserted, handling and manufacturability are simple. Thus, the size can be reduced easily and inexpensively, and the pipe can be held by merely fitting the pipe into the fitting portion, thereby improving the workability.

[0010] According to a second aspect of the present invention, there is provided a special portion end wall having a through-hole-shaped insertion portion provided with a seal member provided on an inner peripheral surface into which an end portion of the tube is inserted and closely attached to an outer peripheral surface of the tube. And a substantially plate-like wall integrally provided with the connection on substantially the same plane. Then, a connecting portion provided with a seal member in which the outer peripheral surface of the tube is in close contact with the inner peripheral surface of the through-hole-shaped insertion portion into which the end portion of the tube is inserted is substantially flush with the substantially plate-shaped wall portion. Since it is provided integrally, the handleability and manufacturability are improved with a simple structure, and it is possible to easily and inexpensively reduce the size, and the pipe is held simply by fitting the pipe into the fitting portion, thereby improving workability. .

According to a third aspect of the present invention, there is provided a special portion skirt wall having a substantially plate-shaped substrate portion having a through-hole-shaped insertion portion into which an end portion of a pipe is inserted, and integrally attached to the substrate portion. A substantially plate-shaped holding plate portion having a through-hole-shaped insertion portion corresponding to an insertion portion and into which the end of the tube is inserted, and corresponding to the insertion portion and the insertion portion between the substrate portion and the holding plate portion. And a sealing member that is sandwiched between the pipes and closely adheres to the outer peripheral surface of the pipe.
Then, a substantially plate-shaped substrate portion having a through-hole insertion portion and a substantially plate-shaped holding plate portion having a through-hole insertion portion corresponding to the insertion portion correspond to the insertion portion and the insertion portion. Since the seal member that is in close contact with the outer peripheral surface of the pipe is sandwiched between and sandwiched and attached integrally, the seal member is easily arranged with a simple structure, handling and manufacturability are improved, and it is inexpensive and easy. In addition to miniaturization, the pipe is held only by fitting the pipe into the fitting portion, and the workability is improved.

According to a fourth aspect of the present invention, there is provided a special portion wall, which is formed in a plate frame shape having an opening at a substantially central portion, and a semi-cylindrical insertion recess corresponding to an opposing surface. A pair of block portions formed and attached in a window portion of the wall portion to form a through-hole-shaped insertion portion into which the end of the tube is inserted at the opposed insertion concave portion, and a pair of the block portions; A sealing member that is held over the inner peripheral surface of the insertion recess and is in close contact with the outer peripheral surface of the tube. Then, a pair of block portions are joined to form a through-hole-shaped insertion portion with a semi-cylindrical notch formed on the opposing surface, and the outer peripheral surface of the pipe extends over each inner peripheral surface of the insertion concave portion. The pair of blocks is attached to the window at the approximate center of the plate-shaped wall while holding the seal member that is in close contact with the panel, so the seal member can be easily arranged with a simple structure, and handling and manufacturability are improved. In addition, the size can be reduced easily and inexpensively, and the pipe can be held by merely fitting the pipe into the fitting portion, thereby improving the workability.

According to a fifth aspect of the present invention, the special portion has a substantially plate-like bottom plate portion, and a substantially box-like shape having one edge connected to an edge of the bottom plate portion and having an upper surface opened by the bottom plate portion. 1 to 4
Any one of the above-mentioned special part wall walls. Then, in order to form an approximately box-shaped upper surface opening with the bottom plate portion by connecting one edge of the special portion wife wall according to any one of claims 1 to 4 to the edge of the substantially plate-shaped bottom plate portion. The handleability and manufacturability are improved with a simple structure, the size can be reduced easily and inexpensively, and the pipe is held only by fitting the pipe into the fitting portion, so that the workability is improved.

According to a sixth aspect of the present invention, the special portion includes a substantially plate-shaped bottom plate portion and a through-hole-shaped insertion portion which is provided continuously and integrally with the bottom plate portion and into which an end of a pipe is inserted. And a substantially plate-shaped substrate portion having a substantially box shape with an open top surface, and a through-hole shape which is integrally attached to the substrate portion and corresponds to the insertion portion, into which the end of the tube is inserted. A substantially plate-shaped holding plate having an insertion portion, and a seal member sandwiched between the substrate portion and the holding plate corresponding to the insertion portion and the insertion portion and in close contact with the outer peripheral surface of the tube are provided. Things. Then, the substantially plate-shaped substrate portion having a through-hole-shaped insertion portion into which the end of the tube is inserted is continuously integrated with the substantially plate-shaped bottom plate portion so as to form a substantially box shape having an open upper surface. And a sealing member that is in close contact with the outer peripheral surface of the pipe corresponding to the insertion portion and the insertion portion between the substrate portion and the substantially plate-shaped holding plate portion having a through-hole insertion portion corresponding to the insertion portion. Since the substrate and the holding plate are integrally attached, the size can be reduced easily and inexpensively, and the pipe can be held simply by inserting the pipe into the fitting section, thus improving workability. improves.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the special part of the present invention will be described below with reference to the drawings.

1 and 2, reference numeral 1 denotes a special portion such as a branch portion and a connection portion. The special portion 1 closes a main body 2 having a substantially U-shaped cross section and a side surface of the main body 2 where the main body 2 opens. And the work space 4 is opened inside
Are formed in a substantially box shape for forming a partition.

The main body 2 is made of, for example, concrete or hard synthetic resin, and is provided integrally with a substantially flat bottom plate 6 and a pair of opposing edges of the bottom plate 6. It is formed in a substantially U-shaped cross section by the flat plate-shaped side plate portion 7. Further, nuts 8 are buried in the upper and lower portions of the end face of the side plate portion 7 by, for example, insert molding or the like.
A female screw portion is provided by, for example, forming a cut using a jig.

On the other hand, the special part wall 3 is shown in FIGS.
As shown in FIG. 5, a connection portion 12 formed in a substantially plate shape with a hard synthetic resin or concrete, and a substantially plate-shaped wall portion 13 provided with the connection portion 12 integrally on substantially the same surface. It is formed in a substantially plate shape.

The connecting portion 12 is provided with a plurality of substantially circular through-hole fitting portions 15 having different diameters that penetrate in the thickness direction. In addition, a tapered surface 16 having a reduced diameter is provided on an edge on one end side of the insertion portion 15. Further, an annular packing 17 as a seal member is provided on the inner peripheral surface on the other end side of the insertion portion 15.
The mounting groove portion 18 to which is mounted is provided in a groove shape along the circumferential direction. In addition, a plurality of reinforcing rods 19 as connecting members project outward from the peripheral surface of the connecting portion 12.

On the other hand, the wall portion 13 is made of a hard synthetic resin or concrete, for example, and the connecting portion 12 is positioned substantially at the center, and
It is integrally formed in a plate shape of a predetermined size so as to cover 19. Note that the connecting portion 12 on the side where the tapered surface 16 of the fitting portion 15 is provided is provided integrally with the wall portion 13 such that the plane of the connecting portion 12 is located substantially on the same plane as the plane of the wall portion 13. Further, in the vicinity of the four corners of the wall portion 13, mounting member insertion holes 21 through which mounting members such as bolts 20 are inserted are formed.

Then, the special portion wall 3 is positioned so that the side on which the tapered surface 16 is provided faces the inside so as to close the open side surface of the main body portion 2, and is inserted into the mounting member insertion hole 21. The bolt 20 and the like are screwed into the female screw portion of the main body 2 to open the upper surface and divide the working space 4 therein to form the substantially box-shaped special portion 1 shown in FIGS. 1 and 2. . The opening on the upper surface of the special portion 1 is closed and opened by a substantially plate-shaped lid (not shown).

Next, the operation of the above embodiment will be described.

First, injection molding with synthetic resin in advance,
The main body 2 having a substantially U-shaped cross section is formed by extrusion molding, insert molding, or casting of concrete. When the main body 2 is formed of concrete, it is preferable to mount the nut 8 on a mold (not shown) so that a female screw portion is formed. When it is formed of a synthetic resin, the female screw portion may be cut and formed after the main body 2 is formed without insert molding the nut 8.

As shown in FIG. 5, concrete is cast, that is, a pin body 26 such as a bolt having an external thread portion 25 at one end has an inclined surface 27 corresponding to the tapered surface 16 at one end. A substantially cylindrical first mold piece 28
And a second mold piece 29 having one end face abutting on the other end face of the first mold piece 28 and having substantially the same external dimensions, and being sandwiched between the first mold piece 28 and the second mold piece 29. An elastically deformable ring-shaped mold ring 30 having a slightly larger outer dimension is mounted. Then, this pin body 26 is attached to the mold frame 31 with a nut 32 or the like corresponding to the position of the insertion portion 15. In this state, concrete, synthetic resin, or the like is poured and cured, and the second mold piece 29, the mold ring 30, and the first mold piece 28 are removed to form the fitting portion 15, and the mold ring 30 is formed. The annular packing 17 is attached to the mounting groove 18 to form the connecting portion 12 having a plurality of reinforcing rods 19 protruding from the peripheral surface. The connection portion 12 may be formed by injection molding, extrusion molding, insert molding, or the like of a synthetic resin. And
This connecting part 12 is placed on a predetermined formwork, and cast such that concrete or synthetic resin is poured into the surroundings,
Cured, cured, and removed from the mold to form the special part wall 3. Note that the annular packing 17 may be attached to the attachment groove 18 after the special-part wall 3 is removed from the mold without forming the annular packing 17 at the time of forming the connection portion 12.

Next, the special-part end wall 3 is aligned with the opening side of the main body part 2 formed separately, and the special-part end wall 3 of the main part 2 is inserted through the mounting member insertion hole 21 of the special part end wall 3. An approximately box-shaped special part 1 is assembled by screwing a bolt 20 or the like into the female screw part.

Then, the special part 1 is arranged at a predetermined position of a common wire groove in which a pipe (not shown) into which electric wires such as power lines and communication lines are inserted is embedded. Thereafter, the tube is fitted into the fitting portion 15, and the special portion 1 and the tube are joined by bringing the annular packing 17 into close contact with the outer peripheral surface of the tube, and the tube is embedded so as to cover the upper surface of the special portion 1.

According to the above-described embodiment, the connecting portion 12 in which the annular packing 17 which is in close contact with the outer peripheral surface of the tube is provided on the inner peripheral surface of the through-hole-shaped insertion portion 15 into which the end of the tube is inserted. Substantially plate-shaped wall
13 is provided integrally on substantially the same plane, and is arranged in a common wire groove in which a pipe is arranged with the main body portion 2 so that a work space 4 for branching or connecting wires can be provided. Since the special part wall 3 constituting the special part 1 partitioned inside is formed, it has a simple structure in which a plurality of through holes are provided in a substantially plate shape,
Inexpensive and easy to form, handleability and manufacturability can be improved, and inexpensive and easy to miniaturize.
The pipe can be sealed and held only by being inserted into the 15 and the workability can be improved.

Also, stress is easily applied by appropriately designing the material and structure of the connecting portion 12, such as forming the connecting portion 12 from a hard synthetic resin and forming the wall portion 13 from concrete. The strength of the periphery of the fitting portion 15 that is easily chipped can be variably designed, and a plurality of fitting portions 15 for joining the pipes can be easily formed. For example, the interval at which the fitting portions 15 for joining the pipes are provided can be narrowed, and the degree of manufacturing freedom can be improved.

Although any material such as concrete and synthetic resin can be used, concrete is preferable in consideration of manufacturability and cost.

After the connecting portion 12 is formed in advance,
Although the wall portion 13 has been described as being integrally formed by casting, the wall portion 13 may also be integrally formed when the connecting portion 12 is formed. According to this integral forming method,
For example, just pour concrete or synthetic resin into a mold,
The special portion wall 3 can be formed, and the reinforcing rod 19 for improving the joint strength with the connection portion 12 is not required, so that the productivity can be improved.

When forming the connecting portion 12 in advance, the connecting portion 12 was formed using a predetermined mold as shown in FIG.
The same applies to the case where the special part wall 3 is integrally formed.

Further, the tapered surface 16 need not be provided in the fitting portion 15. In addition, since the tapered surface 16 is provided, even if an external stress is generated such that the pipe relatively moves in the direction in which the pipe advances and retreats with respect to the special part wall 3 due to the construction of the pipe or an earthquake, the tapered face 16 is formed. It is possible to prevent the end of the tube from abutting and projecting into the working space 22 in the special part 1.

On the other hand, the special part wall 3 is bolted to the main body 2.
Although the special part 1 is assembled and formed by using 20 or the like, the main part 2 and the special part wall 3 may be integrally formed. That is, for example, the connecting portion 12 is formed in advance, and the connecting portion 12 is held in a mold, and the main body 2 is integrally formed with the wall portion 13 by casting or the like to form the integral box-shaped special portion 1. May be. This connection
According to the configuration in which the special part 1 is integrally formed by using 12, it is also possible to configure the special part wife wall 3 on site without forming the special part wife wall 3 in advance, and the degree of freedom of construction can be increased. In addition to improving the transfer efficiency and the storage efficiency, the transfer form to the site may be a connection section 12 smaller than the special section wall 3.

Next, another embodiment will be described with reference to FIGS.

In FIG. 6, reference numeral 41 denotes a special part.
41, like the embodiment shown in FIGS. 1 to 4, the main body 2 having a U-shaped cross section and having a female screw portion, and the special portion wall 42 for closing the side surface of the main body 2 where the main body 2 opens. , And is formed in a substantially box shape in which the upper surface is opened and the working space 4 is defined therein.

On the other hand, the special part wall 42 is shown in FIGS.
As shown in FIG. 5, a substrate portion 43 is formed in a substantially plate shape having a predetermined size and made of concrete, synthetic resin, or the like. A plurality of substantially circular through-hole insertion portions 44 having different diameters penetrating in the thickness direction are formed in the center of the substrate portion 43. Further, a tapered surface 16 having a reduced diameter is provided at an edge on one end side of the insertion portion 44. Further, a mounting step portion 45 having a large diameter is provided at an edge on the other end side of the insertion portion 44. Then, the assembling member insertion holes 21 into which the bolts 20 and the like are inserted at the four corner positions so as to surround the periphery of the substrate portion 43 and the insertion portion 44.
And a connection insertion hole 46.

On the side of the substrate 43 on which the mounting step 45 is provided, a holding plate 48 formed of a synthetic resin or the like in a substantially flat plate size that covers the insertion portion 44 is mounted. The holding plate portion 48 is provided at the four corners with the connecting insertion holes 46 of the substrate portion 43.
A connection insertion hole 49 is formed corresponding to. Further, a plurality of insertion portions 50 are formed in the holding plate portion 48 in correspondence with the insertion portions 44 of the substrate portion 43. Further, at one end edge of the insertion portion 50, a large-diameter holding step portion 51 which is opposed to the mounting step portion 45 and forms the mounting groove portion 18 with the mounting step portion 45 is provided. The holding plate portion 48 is inserted and fixed into the connection insertion hole 49 and the connection insertion hole 46 with the nut 8 and the like so that the holding step portion 51 faces the mounting step portion 45, respectively. .

Further, a sheet-like sealing material 53 is sandwiched between the substrate 43 and the holding plate 48. And
The sealing material 53 is formed in a frame shape so as to surround the insertion portion 44 and the insertion portion 50 corresponding to the peripheral edge of the holding plate portion 48.

Further, it is located inside the sealing material 53 and
The annular packing 17 is held between the holding step 51 and the mounting step 45.

As in the embodiment shown in FIGS. 1 to 4, this special portion wall 42 has a side surface on which the main body 2 opens so that the side provided with the tapered surface 16 faces the inside. When closed, a bolt 20 or the like is screwed into the female screw portion of the main body portion 2 through the assembling member insertion hole 21 to open the upper surface and divide the working space 4 therein, thereby forming a substantially box-like shape shown in FIG. The special part 41 is assembled and formed.

Next, the operation of the embodiment shown in FIGS. 6 to 8 will be described.

First, the main body 2 is formed in the same manner as in the embodiment shown in FIGS. In addition, the annular packing 17 is engaged with the mounting step 45 of the substrate unit 43 formed in advance, and a sealing material is surrounded so as to surround the annular packing 17.
53 is placed on the plane of the substrate unit 43. Then, the substrate portion 43 is placed on the holding step portion 51 of the holding plate portion 48 formed in advance.
The annular packing 17 is engaged with the mounting portion 45 of the substrate portion 43 to sandwich the annular packing 17 and the holding plate portion 48 so that the sealing material 53 is sandwiched by the substrate portion 43. On the substrate 43. Thereafter, the bolts 20 and the like are inserted into the connection insertion holes 49 of the holding plate portion 48 and the connection insertion holes 46 of the board portion 43, respectively, and the nuts 8 and the like are screwed together.
43 and holding plate 48, and fix
The insertion part 44 and the holding plate part of the substrate part 43 which pinch and communicate
The insertion portion 15 is constituted by the 48 insertion portions 50, and the special portion wife wall 42 is assembled and formed.

In the same manner as in the embodiment shown in FIGS. 1 to 4, the special part wife wall 42 is set in accordance with the opening side of the main body 2 in which the special part wife wall 42 is separately formed. The bolt 20 or the like is screwed into the female screw portion of the main body 2 through the attachment member insertion hole 21 to assemble and form the substantially box-shaped special portion 41.

Then, the special portion 41 is arranged at a predetermined position of the electric wire common groove in which a pipe (not shown) into which electric wires such as power lines and communication lines are inserted is buried. Thereafter, the tube is inserted into the insertion portion 15 composed of the insertion portion 44 and the insertion portion 50 which sandwich the annular packing 17 and communicate therewith, and the annular packing 17 is brought into close contact with the outer peripheral surface of the tube so that the special portion 41 is formed. And the pipe, and bury the pipe so as to cover the upper surface of the special part 1.

According to the embodiment shown in FIGS. 6 to 8, a substantially plate-shaped substrate portion 43 having a through-hole-shaped insertion portion 44,
A substantially plate-shaped holding plate portion 48 having a through-hole-shaped insertion portion 50 facing the insertion portion 44 is interposed between the annular packing 17 which is in close contact with the outer peripheral surface of the pipe corresponding to the insertion portion 44 and the insertion portion 50. The mounting groove 18 for mounting the annular packing 17 can be easily formed with a simple structure, and the annular packing 17 can be easily mounted, thereby improving the ease of handling and manufacturability. In addition, the size can be reduced easily and inexpensively, and the pipe can be held only by fitting the pipe into the fitting section 15, so that the workability can be improved.

In the embodiment shown in FIGS. 6 to 8 described above, the board portion 43 and the holding plate portion 48 are attached and fixed with the bolts 20 and the nuts 8. Can be formed by inserting into a female screw portion and screwing the bolts 20, cutting the female screw portion, or attaching with a mortar, an adhesive, or the like.

Further, the special portion 41 is assembled and formed on the main body 2 using the bolts 20 or the like to form the special portion 41. However, as shown in FIG. The substrate portion 43 is integrally formed at the position of, and is formed in a substantially box shape having an open upper surface, and the holding plate portion 48 formed separately is provided.
An integral special part 56 may be formed so as to attach the special part 56.

In the above description, the sealing material 53 is sandwiched. However, even without the sealing material 53, the annular packing 17 alone can be closely held. By using the sealing material 53, even if there are irregularities on the opposing end surfaces of the substrate portion 43 and the holding plate portion 48, the fixing can be performed without looseness, and the annular packing is provided.
Even when a gap is formed between the step 17 and the mounting step 45 and the holding step 51, the joining can be performed without leakage. Further, the sealing material 53 may be formed in a shape having a plurality of holes into which the annular packing 17 is inserted corresponding to the insertion portion 15. With this configuration, even if the opposing end surfaces of the substrate portion 43 and the holding plate portion 48 have irregularities, they can be attached and fixed without rattling and can be joined without leakage.

Next, still another embodiment will be described with reference to FIGS.

In FIGS. 10 and 11, reference numeral 61 denotes a special portion. The special portion 61 has a U-shaped cross section as in the embodiments shown in FIGS. 1 to 4 and the embodiments shown in FIGS. The main body 2 having a female threaded portion formed by insert molding of the nut 8 and the special portion end wall 62 for closing the side surface of the main body 2 to open, and the working space 4 is formed therein. It is configured in a substantially box shape for partitioning.

As shown in FIG. 10 to FIG. 14, the special portion end wall 62 has a window 63 opening substantially in the center in the shape of a through-hole square tube, and is mounted in the common groove of the electric wire. Has a wall portion 64 formed in a plate frame shape. In addition, window
63 is formed so as to expand toward one side. On one surface of the wall portion 64, that is, on the plane on the side where the window portion 63 expands, a female screw portion 65 is provided near the square of the window portion 63, similarly to the main body 2.

Further, a connection portion 66 is provided in the window portion 63 of the wall portion 64. The connecting portion 66 has a substantially rectangular parallelepiped shape, and is provided with an inclined surface 67 which is inclined at substantially the same angle as the inclined inner peripheral surface of the window portion 63 on one side surface and both end surfaces in the longitudinal direction. A substantially semi-cylindrical insertion recess 68 on the other side facing the side
A first block portion 69 having a notch formed therein, and a substantially semi-cylindrical insertion recess formed on both sides facing each other in a substantially rectangular parallelepiped shape in the longitudinal direction.
A second block portion 70 in which a notch 68 is formed and an inclined surface 67 similar to the first block portion 69 is provided on both end surfaces in the longitudinal direction.
Are joined substantially in parallel.

The insertion recess 68 is provided in the first block 69
And the second block portions 70 and the second block portions 70, 70 are formed to form the substantially cylindrical through-hole shaped insertion portion 15 having a predetermined diameter. .

The insertion block 68 has a first block portion.
A tapered surface 16 having a reduced diameter is provided on an edge on one end side where the inclined surface of 69 is a thinly inclined side, and a holding groove portion 71 in the form of a concave groove is provided on the inner peripheral surface on the other end side along the circumferential direction. Is provided. In addition,
The holding groove 71 constitutes the mounting groove 18 when the insertion recess 15 is formed by the insertion recesses 68.

Then, the first block portions 69 are located on both sides, and the second block portions 70 are joined so as to be located in parallel between them. As shown in FIG. Annular packing in the mounting groove 18 composed of the groove 71
The connecting portion 66 is configured by being mounted so as to straddle over the insertion concave portions 68, 68, and the connecting portion 66 is fitted and provided in the window 63 of the wall portion 64.

On the other hand, reference numeral 73 denotes a mounting bracket.
Is formed in a substantially L-shaped cross section by being bent substantially vertically along a longitudinal direction with an elongated steel plate or the like. In addition, screw insertion holes 75 through which the bolts 20 are inserted are formed at both ends in the longitudinal direction of the mounting bracket 73 so as to correspond to the female screw portions 65, respectively.

Then, a mounting bracket 73 is provided so as to straddle the longitudinal ends of the first block portion 69 and the second block portion 70 constituting the connection portion 66 fitted in the window portion 63 of the wall portion 64. Are attached by bolts 20 from the side where the window 63 of the wall portion 64 expands, and the special portion end wall 62 is assembled and formed in a substantially plate shape.

The special portion wall 62 has a tapered surface 16 on the inner side, as in the embodiment shown in FIGS. 1 to 4 and the embodiment shown in FIGS. Close the open side of the main body 2 so as to face
Bolts 20 and the like are screwed into the female threads of the main body 2 through the assembling member insertion holes 21 to open the upper surface and form the working space 4 therein to form a substantially box-shaped space shown in FIGS. 10 and 11. The special part 61 is assembled and formed.

Next, the operation of the embodiment shown in FIGS. 10 to 14 will be described.

First, the embodiment shown in FIGS.
The main body 2 is formed in the same manner as in the embodiment shown in FIGS. In addition, the first formed first
Are located on both sides, and the second block 70
Are inserted from the tapered surface 16 side from the side where the window 63 expands into the window 63 of the wall 64 so that the inclined surfaces of the first block 69 and the second block 70 are positioned in parallel. The 67 competes with the inner peripheral surface of the window 63 that is inclined and widened, and the connecting portion 66 is assembled in the window 63. Next, the mounting bracket 73 is bolted to the wall 64 so as to straddle the longitudinal ends of the first block 69 and the second block 70 fitted in the window 63 of the wall 64. The connection part 66 is fixed to the wall part 64 by attaching from the side where the window part 63 expands. Thereafter, the annular packing is formed in the mounting groove 18 formed by the holding grooves 71 of the insertion recesses 68, 68 facing each other.
17 is mounted so as to straddle over the insertion concave portions 68, 68, and the special portion end wall 62 is assembled and formed.

Next, the embodiment shown in FIGS.
6 to 8, the special member's end wall 62 is fitted to the opening side of the main body 2 in which the special part's end wall 62 is separately formed, and the special part's end wall 62 is inserted into the mounting member. The bolt 20 or the like is screwed into the female screw portion of the main body 2 through the hole 21 to assemble and form the substantially box-shaped special portion 61.

Then, the special portion 61 is arranged at a predetermined position in an unillustrated electric wire common groove in which a pipe 77 through which electric wires such as power lines and communication lines are inserted is embedded. Thereafter, the special portion 41 and the tube 77 are joined by fitting the tube 77 into the fitting portion 15 formed by the insertion recesses 68, 68 facing each other, and bringing the annular packing 17 into close contact with the outer peripheral surface of the tube 77. The tube is buried covering the upper surface of the special part 1.

According to the embodiment shown in FIGS. 10 to 14, the pair of the first block portion 69 and the second block portion 70 are joined to each other, and the opposing surfaces are cut out in a substantially semi-cylindrical shape. In the insertion recesses 68, 68 formed, the through-hole shaped insertion portion 15 is formed.
And the annular packing 17 closely contacting the outer peripheral surface of the pipe 77 over the inner peripheral surfaces of the insertion recesses 68, 68 is held in the mounting groove portion 18, and the first block portion 69 and the second
Since the block 70 is assembled and fixed to the window 63 substantially at the center of the frame plate-like wall 64, the mounting groove 18 for mounting the annular packing 17 can be easily formed with a simple structure, and the annular packing 17 can be easily formed. It can be easily mounted on the
The pipe 77 can be held only by fitting the 77 into the fitting portion 15, and the workability can be improved.

In the embodiment shown in FIGS. 10 to 14, the side surfaces of the first block portion 69 and the second block portion 70 to be joined, and the second block portions 70, 70
A dowel for aligning the side surfaces of each other may be provided. By providing this dowel, the window of the wall 64
63, and especially when the diameters of the fitting portions 15 are different, the adjacent first block portion 69, second block portion 70, and second block portions 70, 70 are definitely joined together. it can.

The order of assembling the annular packing 17 is appropriately selected, for example, before the first block 69 and the second block 70 are assembled in the window 63.

Further, the connection portion 66 is assembled and fixed to the wall portion 64 with the bolt 20 using the mounting bracket 73, but, for example, the window portion 63 is formed in a rectangular tube shape without expanding, and the wall portion is formed. A pair of mounting brackets 73, so as to sandwich the connecting portion 66 from both sides of the portion 64,
It may be fixed by any method such as attaching 73, attaching using a fitting of another shape, or joining with an adhesive or mortar.

Also, as in the embodiment shown in FIGS. 6 and 8, the second block section 70 is located between the adjacent first block section 69 and the second block section 70 so as to be satisfactorily joined. A sheet seal, which is a sheet-shaped seal member, may be provided between the windows 70, 70, between the window 63 and the first block 69 and the second block 70, or the like.

The first block section 69 and the second block section 70 constitute the connection section 66.
The connection section 66 may be configured such that the two first block sections 69, 69 face each other.

Next, still another embodiment will be described with reference to FIGS.

In the embodiment shown in FIGS. 15 and 20, the first block 69 and the second block 70 of the embodiment shown in FIGS. 10 to 14 have the same shape.

That is, in FIG. 15 and FIG.
Numeral 81 denotes a special part, which is similar to the embodiment shown in FIGS. 1 to 4, the embodiment shown in FIGS. 6 to 8, and the embodiment shown in FIGS. Work is performed by opening the upper surface of the main body 2 having a U-shaped cross section and having a female screw portion formed by insert molding of the nut 8, and the special portion end wall 82 for closing the side surface of the main body 2 that opens. It is configured in a substantially box shape that partitions the space 4.

As shown in FIG. 15 to FIG. 17, the special portion wife wall 82 has a window portion 83 which is opened at a substantially central portion in the shape of a rectangular through hole, and is attached to the main body portion 2 to occupy the work space 4. It has a wall portion 84 formed in a plate frame shape for partitioning. Also, the wall 84
On one surface side, there is provided a thick holding portion 85 which is located on the peripheral edge of the window 83 and protrudes in a thick rectangular tube shape. And the wall
The square of 84 is provided with an assembling member insertion hole 21 through which the bolt 20 and the like are inserted. Further, on the peripheral surface of the wall portion 84, a hanging anchor for hanging and supporting the special portion
86 are buried.

The window portion 83 of the wall portion 84 has a thickness holding portion 85
A connecting portion 88 is further provided on the side from which the connector projects. The connecting portion 88 has a substantially rectangular parallelepiped shape, and a block portion 90 having a substantially semi-cylindrical insertion recess 89 formed on one side surface in a longitudinal direction is cut out. They are joined in substantially parallel so as to form the hole-shaped insertion portion 15. Further, the insertion concave portion 89 is provided with a convex portion 92 on one edge side of the inner peripheral surface along the circumferential direction, and has a groove shape along the circumferential direction on the other edge side of the inner peripheral surface. Insert
Mounting groove for mounting the annular packing 17 when configuring 15
A holding groove 71 constituting 18 is provided.

Then, a plurality of pairs of block portions 90, 90 having the insertion recesses 89, 89 opposed to each other to form the insertion portion 15, that is, a plurality of block portions 90 are alternately arranged substantially in parallel, and the connection portion is formed. The connecting portion 88 and the wall portion 84 are integrally provided by forming a substantially flat wall portion 84 by casting around the outer periphery of the connecting portion 88 to form the special portion wife wall 82. It is formed in a substantially plate shape.

Next, the operation of the embodiment shown in FIGS. 15 to 17 will be described with reference to FIGS. 18 to 20.

First, the embodiment shown in FIGS.
The main body 2 is formed similarly to the embodiment shown in FIGS. 6 to 8 and the embodiment shown in FIGS.

On the other hand, a predetermined shape, for example, FIG.
As shown in the figure, a predetermined position, for example, approximately at the center of a wall form frame 93a in which a reinforcing bar 93 is assembled so as to correspond to the outer diameter of the wall section 84 and surrounds the central portion on the inside, and The connecting portions 88 are formed by arranging a plurality of pairs of the formed block portions 90, 90 with the insertion concave portions 89, 89 facing each other to form the substantially cylindrical fitting portion 15.

Then, as shown in FIG. 19, according to the thickness dimension of the wall portion 84, ready-mixed concrete is cast on the outer peripheral side of the connection portion 88 in the wall form frame 93a to form a substantially flat wall portion.
84 is integrally formed.

Further, as shown in FIG. 20, a reinforcing reinforcing bar 93 is provided on the upper surface, which is one surface of the wall 84 on which the connecting portion 88 protrudes.
Is assembled so as to surround the connecting portion 88, and a thick holding portion form 93b is assembled corresponding to the thick holding portion 85, and the outer peripheral side of the connecting portion 88 protruding into the thick holding portion form 93b. The thick concrete holding portion 85 is formed integrally with the wall portion 84 and the connecting portion 88 by casting the ready-mixed concrete. After curing, the ready-mixed concrete is hardened, and the wall frame 93a and the wall thickness holding frame 93b are dismantled to form the special section wall 82.

Thereafter, the embodiment shown in FIGS. 1 to 4, the embodiment shown in FIGS. 6 to 8, and the embodiment shown in FIG.
Similarly to the embodiment shown in FIG. 14, the female screw portion of the main body 2 is bolted to the female screw portion of the main body 2 through the mounting member insertion hole 21 of the special portion wall 82 formed in accordance with the side face where the main body 2 is opened. Are screwed together to assemble and form a substantially box-shaped special portion 81.

Then, the special portion 81 is arranged at a predetermined position in an unillustrated electric wire common groove in which a pipe 77 into which an electric wire such as a power line or a communication line is inserted is embedded. Thereafter, the special part 81 and the pipe 77 are joined by fitting the pipe 77 into the fitting part 15 formed by the insertion recesses 89 and 89 facing each other and bringing the annular packing 17 into close contact with the outer peripheral surface of the pipe 77. , A pipe covering the top of the special part 1
Bury 77.

According to the embodiment shown in FIGS. 15 to 20, when the shape and dimensions of the tubes 77 to be inserted and held are the same, the block portions 90 are formed symmetrically, so that the structures shown in FIGS. The embodiment shown in FIG. 14 can be configured without using the two types of the first block portion 69 and the second block portion 70, and the number of types of members can be reduced, thereby reducing manufacturability and cost.

Further, for example, when it is necessary to set the length of fitting the tube 77 to the fitting portion 15 longer,
The thickness in the insertion direction of the tube 77 of the tube 88 increases, and the size of the wall 84 protruding from the window 83 increases, resulting in insufficient joint strength between the wall 84 and the connecting portion 88. Although there is a possibility that the wall portion 84 is provided with the thickness holding portion 85, the joining area between the wall portion 84 and the connection portion 88 is increased to increase the joining strength, and the connection portion 88 is formed by the thickness holding portion 85. Since it is wrapped and reinforced, the strength of the special portion masonry wall 82 can be improved.

Further, the previously formed block portion 9
The high-strength special part is formed by casting the ready-mixed concrete around the connecting part 88 formed by combining 0 and 90 to form the wall part 84 and the thickness retaining part 85 to form the special part wall 82. The wife wall 82 can be easily formed.

In the embodiments shown in FIGS. 15 to 20, a plurality of pairs of the block portions 90 are formed as the connection portions 88, but only one pair may be used.

[0086]

According to the special portion masonry wall of the first aspect,
Since it has a substantially plate-like shape with a seal member attached to the inner peripheral surface of the through-hole-shaped insertion part, which is in close contact with the outer peripheral surface of the pipe, it is easy to handle and manufacturable with a simple structure, and it is cheap and easy to miniaturize In addition, the pipe can be easily held in close contact with one operation only by fitting the pipe into the fitting portion, and the workability can be improved.

According to the special portion wall of the second aspect, the connecting portion provided with a sealing member on the inner peripheral surface of the through hole-shaped insertion portion is integrally formed on the substantially plate-like wall portion on substantially the same plane. In addition, the handleability and manufacturability can be improved with a simple structure, the cost can be reduced easily and the size can be reduced. Can be improved.

According to the third aspect of the present invention, a substantially plate-shaped substrate portion having a through-hole-shaped insertion portion and a substantially plate having a through-hole-shaped insertion portion corresponding to the insertion portion are provided. The holding member is formed integrally with the insertion portion and the insertion portion by sandwiching the sealing member between the insertion portion and the insertion portion. Therefore, the structure for attaching the sealing member with a simple structure can be easily formed, and the sealing member can be easily formed. The pipe can be attached, the handleability and manufacturability can be improved, the pipe can be inexpensively and easily miniaturized, and the pipe can be easily held in close contact with one operation of fitting the pipe into the fitting portion, thereby improving the workability.

According to the special portion wall of the fourth aspect, a pair of block portions are joined to form a through-hole-like insertion portion with a semi-cylindrical notch formed on the opposing surface. Along with holding the seal member over each inner peripheral surface of the insertion concave portion and attaching the pair of block portions to the substantially central window of the plate frame-shaped wall portion, it is easy to attach the seal member with a simple structure. It can be formed easily, the seal member can be easily attached, the handleability and manufacturability can be improved, the cost can be reduced easily and the size can be reduced, and the pipe can be easily held in close contact with one operation of fitting the pipe into the fitting portion. Can be improved.

According to the special portion of the fifth aspect, one edge of the special portion end wall according to any one of the first to fourth aspects is connected to the edge of the bottom plate portion, and the upper surface is opened with the bottom plate portion. Since it is formed in a substantially box shape, the handleability and manufacturability can be improved with a simple structure, it can be inexpensively and easily reduced in size, and the tube can be easily held in close contact with one operation of fitting the tube into the fitting portion. Workability can be improved.

According to the special portion of the sixth aspect, the substrate portion having the insertion portion is continuously and integrally provided on the bottom plate portion so as to form a substantially box shape having an open upper surface, and is inserted into the substrate portion. A sealing member that is in close contact with the outer peripheral surface of the tube is interposed between the holding plate and the holding plate that has an insertion part corresponding to the part. In addition, it is easy to handle and manufacturable with a simple structure, it can be inexpensive and easy to miniaturize, and the pipe can be easily held in close contact with one operation of fitting the pipe into the fitting part, improving workability. Can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a special part according to an embodiment of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a cross-sectional view showing the special portion wife wall according to the first embodiment.

FIG. 4 is a front view of the same.

FIG. 5 is a cross-sectional view showing a manufacturing state of a rear wall according to another embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a special portion according to still another embodiment of the present invention.

FIG. 7 is a cross-sectional view showing the special portion wife wall according to the third embodiment.

FIG. 8 is an exploded perspective view of the same.

FIG. 9 is a cross-sectional view showing a special portion according to still another embodiment of the present invention.

FIG. 10 is a cross-sectional view showing a special portion according to still another embodiment of the present invention.

FIG. 11 is a front view of the same.

FIG. 12 is a cross-sectional view showing the special portion wife wall according to the third embodiment.

FIG. 13 is a front view of the same.

FIG. 14 is an exploded perspective view showing the connection part, with a part cut away.

FIG. 15 is a cross-sectional view showing a special portion according to still another embodiment of the present invention.

FIG. 16 is a front view of the same.

FIG. 17 is a cross-sectional view showing the special portion wife wall according to the third embodiment.

FIG. 18 is an explanatory diagram showing a manufacturing state of the special portion wife wall according to the third embodiment.

FIG. 19 is an explanatory diagram showing a manufacturing state of the special portion wife wall according to the third embodiment.

FIG. 20 is an explanatory diagram showing a manufacturing state of the special portion wife wall according to the third embodiment.

FIG. 21 is a cross-sectional view showing a conventional example.

FIG. 22 is a cross-sectional view showing another wife wall of the conventional example.

FIG. 23 is a cross-sectional view showing a manufacturing state of still another wife wall of the conventional example.

[Explanation of symbols]

 1,41,56,61,81 Special part 3,42,62,82 Special part wife wall 12,66,88 Connection part 13,64,84 Wall part 15 Insert part 17 Ring packing 43 as seal member 43 Substrate Part 44 Insertion part 48 Holding plate part 50 Insertion part 63,83 Window part 68,89 Insertion concave part 69 First block part which is a block part 70 Second block part which is a block part 77 Tube 90 Block part

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hisayuki Matsuo 1-27-27 Konan, Minato-ku, Tokyo Inside Japan Concrete Industry Co., Ltd. (72) Inventor Masato Honma 1-27-27 Konan, Minato-ku, Tokyo In Japan Concrete Industry Co., Ltd. (72) Inventor Akihiro Saito 1-8-27 Konan, Minato-ku, Tokyo Japan Concrete Industry Co., Ltd.

Claims (6)

[Claims] 1. A through-hole-shaped insertion portion having a substantially plate-like shape and having a seal member provided on an inner peripheral surface into which an end portion of the tube is inserted and closely attached to an outer peripheral surface of the tube. Special part for the wife wall. 2. A substantially plate-shaped connection portion having a through-hole-shaped insertion portion provided with a seal member closely attached to an outer peripheral surface of the tube on an inner peripheral surface into which an end portion of the tube is inserted. A special-part wall for a special part, comprising: a substantially plate-shaped wall part provided integrally with a connection part on substantially the same plane. 3. A substantially plate-shaped substrate portion having a through-hole-shaped insertion portion into which an end portion of a tube is inserted, and an end portion of the tube integrally attached to the substrate portion and corresponding to the insertion portion. A substantially plate-shaped holding plate portion having a through-hole-shaped insertion portion into which a pipe is inserted, and an outer peripheral surface of the tube which is sandwiched between the substrate portion and the holding plate portion in correspondence with the insertion portion and the insertion portion. A special-part wall for a special part, comprising: a sealing member that is in close contact. 4. A wall formed in a plate frame shape having an opening at a substantially central portion thereof, and an insertion recess cut out in a semi-cylindrical shape corresponding to each of the opposing surfaces, and the recess is formed in the window of the wall. A pair of block portions attached to each other by forming a through-hole-shaped insertion portion into which the end portion of the tube is inserted by the opposed insertion concave portion, and extending over an inner peripheral surface of the insertion concave portion of the pair of block portions. And a sealing member which is held in close contact with the outer peripheral surface of the tube. 5. A substantially box-shaped bottom plate portion, wherein one edge is connected to an edge of the bottom plate portion, and the bottom plate portion forms a substantially box shape having an open upper surface. And a special part for the special part. 6. A bottom plate having a substantially plate-like shape, and a through-hole-shaped insertion portion which is provided continuously and integrally with the bottom plate and into which an end of a pipe is inserted, and an upper surface is opened by the bottom plate. A substantially plate-shaped substrate portion having a substantially box-like shape, and a through-hole-shaped insertion portion integrally attached to the substrate portion and corresponding to the insertion portion, into which an end of the tube is inserted. Special part, comprising: a holding plate having a shape of a circle, and a sealing member sandwiched between the base plate and the holding plate corresponding to the insertion portion and the insertion portion and in close contact with the outer peripheral surface of the tube. .