JPH036118Y2 - - Google Patents

Description

[Detailed explanation of the idea] A. Purpose of the invention (1) Industrial application field The present invention relates to a floor wiring storage device.

(2) Conventional technology Conventional floor wiring is housed in a pit whose side and bottom surfaces are finished with concrete, and is supported on a base to define the width of the pit, and a top cover is attached to a receiving frame provided at the top of the side surface. The upper opening end of the pit is closed by placing it thereon (see, for example, Japanese Patent Publication No. 867/1983).

(3) Problems to be solved by the invention In the conventional method described above, the bottom and side surfaces of the wiring duct are directly molded with concrete, so the molding must be performed with high precision, making the concrete pouring process complicated and troublesome. There were some problems.

In addition, in order to solve such problems, for example,
As disclosed in Publication No. 14030, the bottom wall of a metal plate duct body with an open top that functions as a wiring duct is placed on a base, and the open top surface of this duct body is closed with a top cover, and the duct body is A method has already been proposed in which flooring material such as concrete is placed on the foundation in order to embed it.
In this product, in order to adjust the upper end surface of the wiring duct to the desired height, a frame on which the top cover is placed is connected to the side wall of the duct body so that the height can be adjusted. If the effective height of the wiring duct and, by extension, the effective volume of the wiring duct vary depending on the degree of Since it is difficult to adjust the upper end surface of the edge frame to the desired height, it is necessary to specially prepare another duct body with a different shape (particularly the height of the side wall), which increases the cost and requires wiring. The effective height and, by extension, the effective volume of the duct have increased more than necessary, and in addition, ○C requires the work of accurately positioning the duct body itself on the base, and the height of the edge frame relative to the duct body as in ○B above. It is necessary to separately perform the work of adjusting the height of the upper end surface of the wiring duct, which causes problems such as poor work efficiency.

The present invention has been proposed in view of the above, and an object of the present invention is to provide a floor wiring storage device that can solve all of the above-mentioned problems of conventional devices.

B. Structure of the invention (1) Means for solving the problem In order to achieve the above object, the present invention includes a storage body formed in a U-shaped cross section to house electrical wiring inside, and this storage body. a support bundle that supports the storage body on a base in a height-adjustable manner on both sides of the storage body; a top lid that is tied to the upper end of the storage body to close the open top surface of the storage body; The flooring material is cast on the base to be inserted, the flooring material is formed so that its upper surface is flush with the upper end surface of the storage body, and the support bundle is fixed on the base. The bolt includes a support plate, and a bolt whose head is rotatably held by the support plate and whose shaft portion stands up on the support plate, and the bolt has a support fitting for supporting the storage body on the outer periphery of the shaft portion. The bolts are screwed together, and are characterized in that an engaging portion is formed on the end face of the shaft portion to be engaged with a tool for rotating the bolt.

(2) Effect When installing the storage unit on the floor, simply screw the support bracket that supports the storage unit onto the bolt shaft of the support bundle, and the storage unit can be placed at the desired height above the base. The storage unit can be easily and accurately set in a fixed position, and the storage body can be embedded in the flooring by simply pouring the flooring onto the base in that set state. Even if you use the above storage body, the difference in height between the floor and the base,
A sealed wiring duct having a constant shape and volume is always easily and accurately buried at a desired height position on the floor regardless of the amount of height adjustment of the storage body.

In addition, especially when placing the above flooring material on the foundation,
The upper end surface of the storage main body installed as described above at a desired height position on the base can be used as a reference surface.

(3) Embodiment Below, an embodiment of the present invention will be explained with reference to the drawings. First, in FIG. Unit 2, etc. are used, and the storage units 1, 2, etc. are connected to each other according to the wiring route.

The storage unit 1 for straight sections consists of a storage main body 3 and an upper lid 4 that closes the upper part of the storage main body 3, and the storage main body 3 is buried in the floor.

The storage main body 3 has a pair of receiving frames 5, 5 that face each other and extend in parallel, and a bottom plate 6 that connects the lower portions of the receiving frames 5, 5, and has a substantially U-shaped cross section. Both ends thereof are fixed to the lower part of the receiving frames 5, 5 by, for example, rivets over the entire length thereof in the longitudinal direction.

The storage body 3 is height-adjustably supported on a base 8 by a support bundle 7, as will be explained in detail below. That is, in FIG. 2, a mounting groove 10 is formed on each outer surface of the receiving frames 5, 5 of the storage body 3 over the entire length thereof, and the first metal fitting 9 is fitted into the mounting groove 10. A horizontally extending support portion 11 is integrally projected on the outer surface of the first metal fitting 9, and this support portion 11 and a second metal fitting that supports the lower surface of the bottom plate 6 between the support frames 5, 5. 12 both end support parts 12a are superposed, and these support parts 11,
The support bundle 7 is inserted into each screw hole provided in each of the support bundles 7.
The shaft portion 13j of the bolt 13 is screwed together. Thus, the first and second metal fittings 9 and 12 cooperate with each other to constitute a supporting metal fitting C of the present invention, which supports the storage body 3.

The support bundle 7 includes a support plate 15 fixed on the base 8 with concrete screws 14, and this support plate 15.
The head 13h is rotatably supported by the bolt 13, and the shaft 13 of the bolt 13
A cross-shaped engagement groove 16 is provided on the j end face as an engagement portion that can be engaged with a tool (not shown) such as a driver for rotating the bolt 13.
Then, each screw hole of the support parts 11, 12a is screwed into the shaft part 13j of the bolt 13, and the bolt 1
When 3 is rotated, the first and second fittings 9, 12, and therefore the storage body 3, can be moved up and down as appropriate depending on the amount and direction of the rotation operation.

With the storage body 3 adjusted and held at a desired height position by the support bundle 3, cinder 17 as a floor material is placed on the base 8.
Make sure that the top surface is flush with the top end surface of the receiving frame 5,
In this way, the storage main body 3 is buried in the floor.

Flange portions 18, 18 extending in a direction approaching each other are integrally provided on the inner surfaces of the upper parts of the receiving frames 5, 5, respectively, and grooves 19 are provided on the upper surfaces of these flanges 18, 18 over the entire length. provided.

An upper lid 4 is placed on the flanges 18, 18, and the upper lid 4 has a plurality of screw members 2 screwed into grooves 19.
0 to the receiving frames 5,5. Therefore, the connection between the upper cover 4 and the receiving frames 5, 5 is not easily released.

A plurality of separators 21 protruding upward are fixed to the bottom plate 6 at intervals in the width direction thereof over the entire length, and these separators 21
As a result, the inside of the straight section storage unit 3 is divided into a plurality of passageways 22, 23, and 24. Furthermore, storage grooves 25 that open upward are provided at the upper ends of each separator 21, and shielding materials 26 are stored in each storage groove 25, respectively. When the upper lid 4 is connected to the receiving frames 5, 5, each shield material 26 comes into contact with the lower surface of the upper lid 4, and thereby each passageway 22,
23 and 24 are reliably shielded from each other.

The branch section storage unit 2 is basically constructed in the same manner as the linear section storage unit 1, and includes a receiving frame 27 that extends linearly, and a pair of receiving frames 27 that are partially parallel to the receiving frame 27. L-shaped receiving frame 2
8, 28 and a T-shaped bottom plate 29 that connects the lower portions of these receiving frames 27, 28, 28, a storage main body 30 is formed. Further, an upper lid 31 is coupled to each receiving frame 27, 28, 28 to close the upper part of the storage main body 30.

In order to connect the linear section storage units 1 to each other, a connection plate 32 is fixed to the lower surface of the bottom plate 6 at one end of one storage body 3, and a connection plate 32 is fixed at a position corresponding to a hole 33 formed in the connection plate 32. The other storage body 3
A notch 34 is provided in the bottom plate 6 at the other end side. Thereby, by screwing a screw member (not shown) inserted into the notch 34 into the hole 33, the bottom plates 6 of the storage main body 3 are connected. Further, a connecting member 35 is fitted between the mounting grooves 10 of the receiving frame 5 in both storage bodies 3.
By fixing to both receiving frames 5 with screw members 36, the receiving frames 5 of both storage bodies 3 are connected.

Further, the end of the storage body 3 in the linear section storage unit 1 located at the terminal end is closed with an end plate 37.

Further, in order to connect the upper lids 4 of both linear section storage units 1, a connecting plate (not shown) protruding to one side is fixed to the lower surface of one end of the upper lid 4 of one of the linear section storage units 1. The connecting plate is in contact with and fixed to the lower surface of the other end of the upper cover 4 of the other linear section storage unit 1. This connecting plate not only connects the upper lids 4 to each other, but also functions to prevent dust from entering into each passageway 22, 23, and 24.

In the branch section storage unit 2, a connection plate 38 for connecting with the bottom plate 6 of the straight section storage unit 1 is fixed to the lower surface of the bottom plate 29 at a portion corresponding to each connection port. Also, receiving frames 27, 28, 2
A connecting member 40 for connecting with the receiving frame 5 of the straight section storage unit 1 is fitted into the mounting groove 39 of 8. Furthermore, a connection plate 41 for achieving connection with the top lid 4 is fixed to the top lid 31.

The connection plate 38 is provided with screw holes 42 at the four corners of the branch storage unit 2, and the bolts 13 (see FIG. 2) of the support bundle 7 are screwed into the screw holes 42. be done.

Next, to explain this embodiment, when performing floor wiring, prepare the required number of storage units 1 for straight sections and storage units 2 for branch sections according to the wiring route, and then install these storage units. 1, 2, etc. can be connected to each other on site.

At that time, especially when installing the storage bodies 3 and 30 on the floor, the support metal fitting C that supports the storage body 3 is attached to the shaft portion 13j of the bolt 13 of the support bundle 7 erected on the base 8. By simply screwing together the storage main body 3, the storage body 3 can be easily and precisely set at a desired height position on the base 8, and in this set state, the cinder 17 as a flooring material is simply cast on the base 8. The storage bodies 3, 30 can be embedded in the cinder 17 with just one step.

When the connection work for each storage unit 1, 2, etc. is completed,
1 and between the storage bodies 3, 30 and the upper lids 4, 31. For example, the ground terminal 43 (see Fig. 1) attached to the receiving frame 5 of a certain straight section storage unit 1 is grounded. As a result, static electricity can be removed, and electromagnetic interference to wiring due to static electricity accumulation can be prevented.
Moreover, since the communication lines 22, 23, 24 are electrically shielded, each communication line 22, 23, 24 is electrically shielded.
Mutual electromagnetic interference between the power line, telephone line, and signal line, which are individually housed in each of the cables 4 and 4, is prevented.

FIGS. 3 and 4 show other embodiments of the present invention, and parts corresponding to the previous embodiments are given the same reference numerals.

A dovetail groove 45 and an engagement groove 4 extending over the entire length are formed on the upper surface of the flange 44 that protrudes from the upper part of the inner surface of the receiving frame 5.
6 are provided in parallel. A rubber receiving member 47 is fitted into the dovetail groove 45, and this receiving member 47
A top lid 48 is placed on top. Moreover, both ends of a connecting plate 49 extending between the two flanges 44 are in contact with the lower surfaces of the flanges 44 of both receiving frames 5, and an engaging piece 50 provided on the lower surface of the upper lid 48 is attached to the connecting plate 49. By engaging the upper lid 48 with the receiving frame 5.

When the upper lid 48 is engaged with the receiving frame 5 in this manner, the upper lid 48 cannot be pulled upward and opened after the upper lid 48 is attached. Therefore,
A part of the wiring storage device is provided with an openable and closable top cover, and by opening the top cover, each top cover 48 can be opened in sequence.

Furthermore, engagement protrusions 51 that engage at right angles are provided at both ends of the connecting plate 49, and when the storage main body 3 is buried in the floor with cinder, the engagement protrusions 51 are engaged with the engagement grooves 46. However, the connecting plate 49 can have a function as a reinforcing member to prevent both receiving frames 5 from falling inward.

C. Effect of the invention As described above, according to the invention, there is a storage body formed in a U-shaped cross section to house electrical wiring inside, and a storage body that is raised above the base on both sides of the storage body. a support bundle for adjustable support; a top lid tied to the upper end of the storage body to close the open top surface of the storage body; and a top lid driven onto the base to embed the storage body. The flooring material is formed such that its upper surface is flush with the upper end surface of the storage body, and the supporting bundle includes a supporting plate fixed on the base and a head on the supporting plate. and a bolt that is rotatably held and whose shaft part stands up on the support plate, and a support fitting that supports the storage body is screwed onto the outer periphery of the shaft part of the bolt, so that the storage body does not touch the floor. For installation, simply screw the above-mentioned support fittings that support the storage unit onto the bolt shafts of the support bundles set up on the base, and the storage unit can be easily positioned at the desired height on the base. The storage body can be set accurately, and the storage body can be embedded in the flooring by simply placing the flooring material on the base in the set state. Even if you use , you can always easily and precisely position a sealed wiring duct with a constant shape and volume at the desired height on the floor, regardless of the height difference between the floor surface and the base, or the amount of height adjustment of the storage unit. Since it can be installed underground, it can greatly contribute to improving the efficiency of wiring duct setting work and reducing costs. Moreover, the upper end surface of the storage main body, which has been accurately installed at the desired height position on the base as described above, can be used as a reference surface when pouring the flooring material onto the base.
The pouring work can be performed accurately.

In addition, the bolts mentioned above for attaching the support fittings of the storage body to the support bundle in a height-adjustable manner can also be used as the bundle columns of the support bundle, which simplifies the structure of the support bundle and contributes to cost reduction. can do. Moreover, since an engaging portion that can be engaged with a tool for rotating the bolt is formed on the end surface of the shaft portion of the bolt, even though the bolt has its head facing down, Rotation operations for this can be performed from above without difficulty.

[Brief explanation of the drawing]

Figures 1 and 2 show one embodiment of the present invention; Figure 1 is an exploded perspective view, Figure 2 is a vertical sectional view when buried in the floor, and Figures 3 and 4 are the embodiments of the present invention. Fig. 3 is a perspective view,
FIG. 4 is a sectional view taken along the line -- in FIG. 3. 3, 30...Storage body, 4,31,48...Top lid,
7...Support bundle, 13...Bolt, 13j...Shaft part, 13
h...Head, 15...Support plate, 16...Engagement groove as an engagement portion, 17...Cinder as flooring material, C...Support metal fittings.

Claims (1)

[Scope of utility model registration request] A storage body 3, 30 formed with a U-shaped cross section to house electrical wiring therein;
The storage bodies 3, 30 are attached to the base 8 on both sides of the storage body 30.
a support bundle 7 that is height-adjustably supported thereon; and a top lid 4, 31 that is tied to the upper end of the storage body 3, 30 to close the open upper surface of the storage body 3, 30;
48, and a floor material 17 cast on the base 8 in order to embed the storage bodies 3, 30, and the upper surface of the floor material 17 is flush with the upper end surface of the storage bodies 3, 30. The support bundle 7 includes a support plate 15 fixed on the base 8, a head 13h rotatably held on the support plate 15, and a shaft portion 1.
3j is provided with a bolt 13 that stands up on the support plate 15, and the bolt 13 has a support fitting C supporting the storage bodies 3, 30 on the outer periphery of the shaft portion 13j.
A floor wiring storage device characterized in that a shaft portion 13j is screwed together, and an engaging portion 16 that can be engaged with a tool for rotating the bolt 13 is formed on the end face of the shaft portion 13j.