KR20140112934A - Plumbing box for wires wiring - Google Patents

Abstract

The present invention relates to an electric box for wiring which is constructed in a ceiling slab or a wall of a building to wire up electrical, communications, other purpose wires, and which is favorable for wiring by causing transposition of a frictional force to a roller bearing during the wiring and capable of preventing the sheaths of the wires from being damaged. A guide roller is provided at an entrance edge portion of each inlet/outlet hole inside the electric box, which rotates in a direction to a counterpart inlet/outlet hole to guide an electric wire passing through the electric box. The guide roller is composed of a shaft and at least one bearing or roller coupled with the shaft to be able to rotate, and is forcedly fitted in a shaft coupling portion formed at the entrance edge portion of the inlet/outlet hole of the electric box so that both ends can be supported. According to the electric box for wiring of the present invention, the frictional force between the electric box and the electric wires can be minimized and a wiring work can be smoothly carried out, thereby preventing an electrical short accident in advance, which is caused by damage to the sheaths after wiring. In addition, the wiring work does not require much effort and manpower and can be convenient, thereby reducing labor costs and construction costs.

Description

[0001] The present invention relates to a plumbing box for wires,

The present invention relates to a piping box for electric wire, which is installed on a ceiling slab or wall of a building and is used for wiring electric wires, communication and other electric wires. Particularly, it is advantageous to cancel the frictional force when wiring electric wires, To a piping box for electric wire wiring developed to prevent damage.

In general, electrical piping for electric, telecommunication and other purposes to pass through is installed or buried in walls and ceiling slabs of building structures, and electric wires and cables for various purposes are installed along the constructed electric piping. And is wired to a desired position.

Particularly, when the ceiling slab is wired, a piping box for electric wire wiring for pulling out the electric wires for fire prevention and fire monitoring through the piping at appropriate positions of the ceiling slab is installed at various positions on the electric piping.

Therefore, in the wiring box of the electric wire, the wiring should be made through a plurality of pipe boxes installed on the ceiling or the wall surface, so that the patent literature on the prior art related to the pipe box developed so far will be described.

The patent application No. 1996-0006397 (March 11, 1996) allows electric technicians to conveniently connect pipelines containing wires and also allows electrical technicians to conveniently change or replace wiring through electrical piping connection boxes An apparatus for convenient visual inspection of wiring through an electrical piping connection box, comprising: a base member having at least one circular hole formed in one surface; A cover having a plurality of holes for inspection, detachable from the base member and covering the base member; And at least one coupling member for coupling the tubing to the electrical tubing connection box, wherein the coupling member is coupled through a circular hole by a threaded surface formed on the first tubular member and the second tubular member An electrical piping connection box comprising a first tubular member and a second tubular member. Patent Application No. 10-1997-0050834 (Oct. 1, 1997) discloses a box for electrical piping embedded in a slab when forming a ceiling slab, comprising: a box body having a box shape with a lower surface opened; And a plurality of hub connectors integrally formed in the box body such that one end thereof communicates with the inside of the box body and the other end forms an angle with the side wall of the box body and extends inclined upwardly And two grooves extending in the longitudinal direction by a predetermined length from the end and extending a predetermined length in the circumferential direction are formed on the outer circumferential surface of the other end portion, A plurality of hub connectors respectively formed opposite to each other; And a plurality of elastic fins for pressing and supporting the peripheral portion of the corrugated pipe for electric piping which is drawn into the hub connector through the inside are integrally formed around the inner periphery of one end portion, The connector cap including a plurality of protruding pieces respectively corresponding to two grooves formed opposite to each other, the protruding pieces being inserted in the longitudinal direction along the grooves of the connector body and then moved in the circumferential direction, Wherein the connector cap is detachably fixed to the connector body by rotating the connector cap. [0001] The present invention relates to a plug box formed integrally with an opening formed in a box cover of a PVC box for electric piping embedded in a wall or a slab, A stopper is integrally formed with the box cover at the opening of the PVC box for electric piping buried in the slab, a groove for removing the stopper is formed at the boundary between the stopper and the box cover, and a stopper It is possible to remove some or all of the stopper easily by removing a part of the stopper when the wall is completed, since it does not need any additional maintenance work for preventing concrete infiltration and hardening when the wall of the box and the slab are embedded. After inspecting and inserting the box, only a part of the opened part can be easily restored with tape, and the wall on the box cover with no tape The surface can be kept clean, thereby improving the workability and the construction quality and reducing the construction cost. [0001] The present invention relates to a box for extending an opening of a box in a flexible manner by connecting a connection opening to a basic box, which is embedded in a wall by electric piping or the like, The conventional box has a structure in which the opening portion is buried deeply in the wall or protruded to the wall surface to deteriorate the quality and the workability and the construction cost is increased. And the basic box part is constituted such that a connecting device is attached to a conventional box which is a combination of a box body for coupling a conduit and a box cover having a boss for fixing the screw and a box opening, And a connecting device for connecting the connecting opening to the basic box part, The spring is compressed to adjust the protrusion height according to the pressure applied to the front surface, and the opening extension box is connected to the mold opening surface or the gypsum board When the connecting opening is pushed by a mold or a gypsum board in the process of forming the wall by being fixed slightly protruding from the board surface, the connecting opening is displaced to the inside of the wall by the elasticity and the mold and the gypsum board So that the gypsum board is prevented from filling with gaps between the space between the gypsum board and the wall and the inner surface of the box so that the gypsum bond is not required to be filled, So that the boss can be firmly attached to the box body, And the tensile force applied to the boss when the electric wiring mechanism is fixed is directly transmitted only to the basic box portion fixed firmly to the wall so that the connection opening does not act to come off from the basic box portion. And improve quality and reduce costs. Utility Model Registration Application No. 20-2004-0020547 (July 14, 2004) refers to the height of the wall plate of an electric box installed mainly to supply electricity to the ceiling of the building. The lower end of the electric box is always brought into close contact with the slab panel in the name of the slab panel at the time of slab laying so that the concrete placed in the slab construction process can be prevented from flowing into the electric box. The present invention relates to an improved electric box for piping of improved electric wire, which is provided with a wall plate on the outer surface of a wall body of a box body which is opened downwardly and slides up and down in a slidable manner, And the height of the wall plate is adjusted to be vertically adjusted by a fixing protrusion inserted into a guide hole of the main body wall plate, thereby improving the electric box.

However, the above-mentioned piping box for wiring has been developed solely for the purpose of distributing or withdrawing electric wires. When the wiring is to be used in actual use, the inlet and outlet of the piping box, in which the wiring direction is changed, It is not easy to pull in and out due to frictional force. This causes much power to wire the wires and damages the wire protecting the wires, causing a short circuit as well as a short circuit.

Such a phenomenon becomes more serious as the wiring is made to pass through many piping boxes at once in a building having a lot of piping boxes, and it requires a lot of manpower such as arranging a worker to draw wires into each piping box at the time of piping It was the cause of the increase of the construction cost.

In order to solve the above-mentioned problem, the present invention was invented to minimize the frictional force of the wire in the piping box, so that it is possible to reduce the construction cost by performing the wiring work without applying a large force with small force when wiring the wire, The object of the present invention is to prevent an electric accident by preventing a short circuit.

According to an aspect of the present invention, there is provided a piping box for an electric wire, which is installed on a ceiling slab or a wall of a building to form an inlet and an outlet used for wiring electric wires, In construction,

A guide roller configured to pivot relative to the inlet port and the outlet port to guide the electric wire passing through the piping box, wherein the guide roller has at least one One or more bearings or rollers are pivoted to each other to constitute an electric wire wiring box such that both ends of the electric wire wiring box are supported by a shaft engaging portion formed at the entrance edge of the inlet and outlet of the pipe box.

The present invention is characterized in that a guide roller for guiding an electric wire to be wired while rotating on the side of the inlet and outlet port formed in the electric wire wiring box for wiring the electric wire is formed of a roller or a bearing to minimize the frictional force between the electric wire and the pipe box, It prevents the damage of the wire covering by smoothly proceeding and prevents short-circuit or short-circuit accident caused by the covering damage after wiring. It does not require much power to wire the wire, so it requires a small manpower. And the effect of reducing the construction cost is created.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Fig. 2 is a diagram showing an example of the configuration of a recess in the present invention; Fig.

Embodiments of the present invention will now be described with reference to the accompanying drawings.

A piping box for electric wire wiring, which is constructed on a ceiling slab or a wall surface of a building to form an inlet and an outlet (15) used for wiring electric wires (100) In this case,

A guide roller 20 which rotates relative to the inlet port 15 of the inlet port 15 of the piping box 10 and the outlet port 15 of the guide rollers 20 is configured to pass through the piping box 10 So that the wire 100 is guided.

In this case, a plurality of inlet and outlet ports 15 may be formed in the piping box 10 so as to distribute the electric cables in various directions. In this case, the inlet and outlet ports 15, A plurality of guide rollers 20 may be formed in one inlet and outlet 15 by forming the guide rollers 20 on the side of the discharge port 15, respectively.

In the end piping box 10 constituting the single inlet and outlet port 15, the guide roller 20 is formed in the direction of the lid 30 from which the wires of the inlet and outlet ports 15 are drawn out.

At this time, the guide roller 20 rotates at least one or more bearings and rollers 26 to the shaft 25 so that the guide roller 20 rotates in the shaft coupling So that both ends are supported by interference with each other.

In this case, the guide roller 20 may be constituted by a single shaft 25, a bearing made of a bearing or a bush roller, and a roller 26 as a single body or may be divided into a plurality of parts. May be formed in a long rectangular shape so that the electric wire does not deviate from the bearings and the roller 26. The shaft 25 itself may be rotated to serve as a roller, I will not be able to escape.

When the shaft 25 is coupled to the shaft engaging portion 11 of the pipe box 10, a screw is formed at one end of the shaft 25 so as to be screwed or an end portion of the shaft 25 is fitted to the shaft 25, It is possible to perform various constructions such that the external force can be applied to the part 11 by forcibly inserting the external force, and this can also be done without departing from the scope of the present invention.

The shaft engaging portion 11 may also be used as a cover engaging portion for engaging a piece 35 for engaging a cover 30 for blocking the piping box 10.

When the electric wire is wired to the pipe provided with the pipe box 10 of the present invention, the electric wire drawn into the inlet 15 and the outlet 15 of the pipe box 10 through the wiring is transferred to the other inlet and outlet of the pipe box 10 The wire is guided to the next pipe box 10 through the outlet 15 and guided by the guide roller 20 of the present invention so that the wire is smoothly wired so that the coating of the wire is not damaged and the wiring is also facilitated.

Industrial Applicability The present invention has great industrial value in that piping can be more stably and easily carried out in a building structure.

10: piping box 11: shaft coupling portion 15: inlet and outlet
20: guide roller 25: shaft 26: bearing, roller
30: cover

Claims (2)

(15) sockets used for wiring electric wires 100 for electricity, communication, and other purposes, and the cover 30 is used to seal the ceiling slab or the wall of the building. In addition,
A guide roller 20 which rotates relative to the inlet port 15 of the inlet port 15 of the piping box 10 and the outlet port 15 of the guide rollers 20 is configured to pass through the piping box 10 Wherein the electric wire (100) is arranged to guide the electric wire (100). The method according to claim 1,
The guide roller 20 has at least one or more bearings and rollers 26 pivotally mounted on the shaft 25 so as to be rotatable about the axis of the shaft coupling portion 20 formed at the entrance periphery of the inlet 15 and outlet port 15 of the pipe box 10, (11) so as to be supported at both ends thereof.

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