KR100673541B1 - Duct for protected multi-electric line of apartment house to being buried in wall - Google Patents

Abstract

A duct for a protected multi-electric line of an apartment house to be buried in a wall is provided to minimize the transmission of noise from a house to another house through a duct and to improve an insulating characteristic. A duct for a protected multi-electric line of an apartment house to be buried in a wall includes a duct body(10), a rectangular flexible terminal box(20) to surround the duct body(10), and a rubber finishing material(30). The duct body(10) includes four cylindrical pipes combined into one body. The cylindrical pipe is divided into four parts by a cross-partition. An insulator(16) is attached to an inner circumference of wire protecting pipes(16a) and the wire protecting pipes(16a) are inserted into the four divided spaces. Cables are inserted into the wire protecting pipes(16a). The terminal box(20) includes an opening to insert a guide pipe(11), a multi-stepped coupling hole formed on an extended line of a length adjusting rod, a plurality of locking recesses formed in an inner circumference to lock stopper balls, and a fastening recesses formed at a front leading end.

Description

Duct for Protected Multi-Electric Line of Apartment House to Being Buried in Wall}

1 is a perspective view showing the construction of the integrated wire protection duct for buildings buried in the wall embodiment of the present invention,

Figure 2 is an exploded perspective view showing the fastening of the integrated wire protection duct for buildings buried in the wall embodiment of the present invention,

Figure 3 is a front view showing the appearance of the integrated wire protection duct for buildings buried in the wall embodiment of the present invention,

Figure 4 is a rear view showing a state of the integrated wire protection duct for buildings buried in the wall embodiment of the present invention,

Figure 5 is a plan sectional view showing the construction of the integrated wire protection duct for buildings buried in the wall embodiment of the present invention,

Figure 6 is a side cross-sectional view showing the construction of the integrated wire protection duct for buildings buried in the wall embodiment of the present invention,

Figure 7 is an enlarged side cross-sectional view showing the main operation state of the length adjustment rod and expansion terminal box of the integrated wire protection duct for the building buried in the embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

10: duct body 11: guide tube

12: length adjustment rod 13: stopper ball

14 spring 15 cross plate

16: insulation 16a: wire protection tube

17: circular fastening portion 17a: circular fastening portion

18: concrete binding pipe 20: expansion terminal box

21: Multi-group breakdown 22: Jamming required

23: opening 24: fastening groove

30: finish 31: fasteners

40: cable 50: wall

The present invention relates to an integrated wire protection duct for a building buried in the wall, and more particularly, to minimize the phenomenon that the generation of noise is transmitted through the duct, and the terminal box case which is drawn out according to the thickness of the wall can be moved forward and backward The present invention relates to an integrated wire protection duct for a building embedded in a wall, which is installed in a wall, which enables the divided wiring of electric wires in the duct to further improve the convenience of wiring and the insulation property in actual use.

Due to the increase in population, residential space has been relatively reduced, leading to the increase of apartments, which are apartments. These apartments have all the facilities indoors and are very convenient to use, making it a form of housing that most people want to live in.

In the past, only electric cables were required to construct apartments, but in recent years, the use of various medicinal wires except electric cables, such as telephone lines, high-speed Internet lines, and CATV / MATV cables, is also used in the construction of apartments due to diversified and high-speed media. In order to achieve this, a communication EPS room or a PIT is provided for each floor and wired using a cable tray.

However, since the communication EPS room or the PIT has a very large area of about 1.3 × 0.7 (㎡), this causes a decrease in the common area, resulting in a narrowing of the actual living space. Difficult, unnecessary construction costs increased, plumbing construction is difficult and costly from the telephone generation terminal box to the EPS room, there is a lot of problems of defects because the floor pipe passes through the toilet floor.

In addition, when installing without installing a communication EPS room or a PIT, a large amount of PVC conduits accommodating various electric wires are purchased in a frame. In this case, conduit construction is very difficult and structural strength is weak. Reinforcement of reinforcement is required, there is a risk of being damaged by anchor or drill after winning the line, repair is almost impossible in case of damage, it has a disadvantage that takes a lot of material and labor costs.

In order to solve this conventional problem, an opening is formed at one side of the lower side of the duct having a quadrangular pipe shape so as to expose an inner space in the front direction, and a protrusion having joint holes is formed at both sides thereof, and the upper side of the duct When the wall is embedded, the support piece is attached in the same direction as the protrusion so as to support the position. On the upper end, the outer edge forms a border reduction part like the inner edge of the other part so that another duct can be inserted in the vertical direction. It is installed vertically so as to be buried in one wall of the building so that the interior space of the duct can be communicated through the entire building, and the projection is positioned to be exposed to the outside of the wall. Protective duct for the integrated wire embedded in the wall, characterized in that for accommodating Utility Model Registration No. 20-0262291 were registered to fenugreek Announcement Bar on March 18, 2002.

However, this conventional integrated duct protection duct has a problem that the generation of noise is transmitted through the duct.

In addition, the length of the protruding portion to be drawn out was formed differently according to the thickness of the wall to be installed, and when wiring the duct inside, there was a wiring problem in that the same color did not distinguish when the wiring color was the same. In addition, there is a lot of problems that the wiring is close to each other and there is a possibility of interference or short circuit.

The present invention is to solve the above problems, to minimize the phenomenon that the noise between the generation is transmitted through the duct, the terminal box case which is drawn out according to the thickness of the wall is installed to be moved forward and backward, the inside of the duct It is an object of the present invention to provide an integrated electric wire protection duct embedded in a wall, which enables the divisional wiring of electric wires and further improves the convenience of wiring and insulation characteristics in practical use.

In order to achieve the above object, the present invention is a cylindrical shape in which the four end surfaces of the four cylinders are integrally integrated into each other, and the space is divided into four parts by a cruciform plate. The cable is inserted therein and the cable is inserted therein, and on the front side, the guide tube for drawing the cable of the wire protection tube into the indoor side communicates with each other, and between the guide tube bodies, the front side up and down has a stopper ball which is shot up and down by an internal spring. Adjusting rods are formed respectively, the rear side of the concrete binding pipe is bound with the concrete protruding, and the upper and lower ends of the duct body is formed with a circular fastening protrusion and a circular fastening recess respectively;

An opening is formed in which the guide tube is inserted into a rectangular tube which completely covers the guide tube of the duct body from the outside, and a multi-group hollow is formed on the extension line of the length adjusting rod, but a plurality of hook recesses in which the stopper ball is fixed at the inner circumference is fixed. Is formed, the front end portion and the expansion terminal box having a fastening groove formed;

The fastener to be inserted into the fastening groove of the expansion terminal box is characterized in that it comprises a rubber-like finish material protruding to the rear side.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

1 is a perspective view showing the construction of the integrated wire protection duct for buildings embedded in the wall according to the embodiment of the present invention, Figure 2 is an exploded perspective view showing the fastening of the integrated wire protection duct for buildings embedded in the wall according to the embodiment of the present invention. 3 is a front view showing a state of the integrated wire protection duct for building embedded in the wall of the embodiment of the present invention, Figure 4 is a rear view showing the state of a building integrated wire protection duct embedded in the wall of the embodiment of the present invention, 5 is a plan sectional view showing the construction of the integrated wire protection duct for buildings embedded in the wall according to the embodiment of the present invention, Figure 6 is a side sectional view showing the construction of the integrated wire protection duct for buildings embedded in the wall according to the embodiment of the present invention 7 is a view showing the operation state of the length adjustment rod and the expansion terminal box of the integrated wire protection duct for building buried in the embodiment of the present invention wall An enlarged side cross-sectional view.

For reference, in describing the present invention, when it is determined that a detailed description of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof is omitted.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of a user or an operator.

Therefore, the definition should be made based on the contents throughout the specification.

The integrated wire protection duct for building embedded in the wall of the present invention has a cable 40 therein and a duct body 10 which is cast and fixed inside the wall 50 by concrete mortar, and the duct body 10 is indoors. The expansion and contraction terminal box 20 is stretched to the side, and consists of a finishing material 30 for sealing the opening 23 of the expansion terminal box (20).

The duct body (10) is a duct of four cylindrical pipes in close contact with each other in the form of a close fusion, each cylindrical pipe is divided into four spaces by the cruciform plate (15) inside, in each space The wire protection tube 16a having the insulation 16 attached to the circumference is inserted, and the cable 40 is inserted therein, and the guide tube body 11 which leads the cable 40 of the wire protection tube 16a to the indoor side at the front side thereof. Are communicated with each other, and the length adjusting rods 12 having stopper balls 13 which are shot up and down by the inner springs 14 up and down between the guide tubes 11 are protruded, respectively, to the rear side. The concrete binding tube 18 is bound to the concrete is projected, and the upper and lower ends are formed with a circular fastening protrusion 17 and a circular fastening recess 17a to correspond to each other. That is, referring to Figure 2, the duct body 10 is formed in the form of the outer circumferential side surface of the four cylindrical pipes are in close contact with each other and integrally combined, the guide tube 11 is coupled to each cylindrical pipe. do.

The telescopic terminal box 20 is a rectangular tube that completely surrounds the guide tube 11 of the duct body 10 from the outside, the opening 23 is inserted into the guide tube 11 is formed inward, the length adjustment A multi-group fastening 21 is formed on the extension line of the rod 12, but the inner periphery of the stopper ball 13 is formed by a plurality of locking recesses 22 fixed by being caught, and the front end has a plurality of fastening grooves ( 24) is formed around the ice.

The finishing material 30 is a rubber plate, the fastener 31 forcibly inserted into the fastening groove 24 of the expansion terminal box 20 protrudes to the rear side.

5 and 6, when the concrete mortar is poured to fix the duct body 10 and the expansion terminal box 20 inside the wall 50, the opening of the expansion terminal box 20 as shown in FIGS. When the 23 pushes and pulls the expansion and contraction terminal box 20 to be installed in the same position as the distal end of the wall 50, as shown in Fig. 7, the locking portion 22 of the expansion terminal box 20 multi-unit finish 21 The upper and lower stopper balls 13 of the length adjusting rod 12 protruding between the duct body 10 and the guide tube 11 are fixed by the spring force of the spring 14 while being fixed.

In this state, the opening terminal 23 of the expansion terminal box 20 is sealed with a finishing material 30 in a state where the expansion terminal box 20 tip is positioned on a surface coinciding with the inner end of the wall 50 to prevent the inflow of foreign substances. In one state, the concrete mortar for forming the wall 50 may be poured.

As described above, the present invention minimizes a phenomenon in which noise between generations is transmitted through the duct, and a terminal box case in which the drawing is made according to the thickness of the wall is connected to be moved forward and backward, so that the divided wiring of the electric wire is possible inside the duct. Therefore, the convenience of wiring and the insulation characteristic at the time of practical use are further improved.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (1)

The side sections of four cylindrical pipes are in close contact with each other, and the ducts are integrally formed. The interior of the cylindrical pipe is divided into four sections by the cruciform plate 15, and the insulation 16 is attached to the inner circumference in each space. The wire protection tube 16a is inserted into the cable 40, and the guide tube body 11 for drawing the cable 40 of the wire protection tube 16a to the indoor side communicates with each other. Between the front and the top and bottom are formed with a length adjusting rod 12 having a stopper ball 13 is shot up and down by the inner spring 14, the concrete binding pipe 18 is bound to the concrete on the rear side Protruding from the upper and lower ends of the duct body 10 having a circular fastening protrusion 17 and a circular fastening recess 17a respectively formed to correspond to each other; A rectangular tube which completely surrounds the guide tube body 12 of the duct body 10 from the outside, the opening 23 is inserted into which the guide tube body 11 is inserted, and is multistage on the extension line of the length adjusting rod 12. A fastening hole 21 is formed, and a plurality of locking recesses 22 to which the stopper ball 13 is fixed are formed at an inner circumference thereof, and an extension terminal box 20 having a fastening groove 24 formed at the front end portion thereof; Integrated wire protection duct for building embedded in the wall surface having; fasteners 31 forcibly inserted into the fastening grooves 24 of the expansion terminal box 20 protruding toward the rear side.

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