KR100745433B1 - Bus duct for branching of electrical wiring - Google Patents

Abstract

A bus duct for distributing electrical wires is provided to separate and partition electric cables by distributing the wires between a separator and an elastic pin according to the kinds of electric cables. A bus duct for distributing electrical wires includes a lower body(21), an upper body(25), a bus duct, a separator(30), and an elastic pin(40). The lower body(21) is formed by bending a plate in a U shape, and has wing plates(22) at both upper sides in a single body, has a plurality of pin holes parallel, and a plurality of bolt holes(23) at the wing plates(22). The upper body(25) of a T-shape has wing plates(26) along the length at the both upper sides of a center rectangular protrusion(28), has a plurality of bolt holes(27) respectively at the wing plates(26), and has an inserting hole(29) at the bottom of the center rectangular protrusion(28). The bus duct couples and fixes the lower body(21) and the upper body(25) through a fixing bolt(B) and a nut(N). The plurality of separators(30) are installed at the inner bottom of the lower body(21), have rounding surfaces, and rectangular grooves at a body, and places electric cables at the rounding surfaces separately. The elastic pin(40) has parallel coupling pin units at both sides along the length, and outer pin units coupled with the coupling pin units in a single body, and is formed in a single body with a plurality of horizontal plate units, a plurality of rounding units, and a plurality of central pin units. The bus duct is installed to place the separator(30) and the elastic pin(40) at each inserting groove(29) of the upper body(25) when coupling the lower body(21) and the upper body(25).

Description

Bus duct for branching of electrical wiring

1 is a view of a conventional bus duct penetrating a concrete slab,

2 is a cross-sectional view of the conventional bus duct is installed as a fixing bolt on the lower surface of the concrete slab,

3 is an exploded detailed perspective view of the present invention bus duct,

4 is an exploded perspective view of a lower body and an upper body of the bus duct of the present invention;

Figure 5 is a perspective view of the separator and elastic pins installed on the bottom surface of the bus duct of the present invention,

6 is a cross-sectional view of the bus duct of the present invention;

7 is a view showing the longitudinal direction of the bus duct of the present invention;

Figure 8 is a view for explaining a state of insertion of the separator and the elastic pin of the present invention.

<Description of the symbols for the main parts of the drawings>

10: bus duct 15: electric cable

21: lower body 22, 26: wing plate

23, 27: bolt hole 24: pin hole

25: upper body 28: square protrusion

29: insertion groove 30: separator

31: body 32: square groove

33: rounding surface 40: elastic pin

41: coupling pin portion 42: outer pin portion

43: horizontal plate portion 44: rounding portion

45: center pin part

The present invention relates to a bus duct for electrical wiring distribution of a building, in particular, the bus duct can be installed in a prefabricated structure is easy to install and the bus duct for electrical wiring distribution of a building supported by a binding strap on the reinforcing bar when buried in concrete slab It is about.

In general, bus ducts are mainly used for power wiring in large factories or buildings.Because they are large currents, bus ducts are often difficult to connect with wires, such as those that cannot be processed by wires or must pass through areas that generate a lot of heat. Will be used.

1 is a view illustrating a state in which a conventional bus duct penetrates a concrete slab, and FIG. 2 is a cross-sectional view of a conventional bus duct installed with a fixing bolt on a bottom surface of a concrete slab.

In the bus duct 10 penetrating the concrete slab P is shown a state in which a plurality of electrical cables 15 are located in FIG. 1, the bus duct 10 is installed on the lower surface of the concrete slab (P) The plurality of electric cables 15 are located inside and fixed to the bus duct 10 by fastening with the fixing bolt (B) and the nut (N).

However, such a bus duct 10 is often wired on the floor or ceiling surface of the building, especially when penetrating through the concrete slab (P) of the building is very rarely installed while maintaining the original level of one side There is a problem that is biased as, there is a problem that construction is difficult to fit the various zone situations.

In view of the above, the present invention has a structure in which the lower body and the upper body are fastened by fixing bolts while constituting the bus duct, and thus the construction is easy. Since it is located between and the elastic pins for wiring, it is easy to separate the electric cable, and when buried in the concrete slab, it can be fixed to the reinforcing bar by combining the binding straps with fixing bolts fixed through the lower body and the upper body. The purpose of the present invention is to provide a bus duct for distributing electrical wiring of a building which is installed so that no flow occurs during concrete pouring.

EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated with reference to an accompanying drawing.

Figure 3 is an exploded detailed perspective view of the bus duct of the present invention, Figure 4 is an exploded perspective view of the lower body and the upper body of the present invention bus duct, Figure 5 is a perspective view of the separator and elastic pins installed on the bottom surface of the lower body of the bus duct of the present invention, Figure 6 is a cross-sectional view of the bus duct of the present invention, Figure 7 is a view showing the longitudinal direction of the bus duct of the present invention, Figure 8 is a view for explaining the inserted state of the separator and the elastic pin of the present invention.

For reference, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof is omitted.

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

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

Bus duct 10 is fixed to the lower body 21 and the upper body 25 by the fixing bolt (B) and the nut (N), the lower body 21 in the width direction along the longitudinal direction of the inner bottom surface A plurality of separators 30 and elastic pins 40 are positioned to cross, and the upper body 25 is positioned on the upper surface of the lower body 21 so that the separator 30 is inserted into the insertion groove 29 of the upper body 25. ) And the elastic pin 40 is installed to maintain the state to prevent flow.

The bus duct 10 has bolt holes 23 and 27 formed in the wing plates 22 and 26 of the lower body 21 and the upper body 25 so that the fixing bolt B penetrates. The nuts (N) are fastened to both sides of the fixing bolt (B) is fixed integrally.

That is, the lower body 21 is formed by bending a plate body in a substantially U-shape, each wing plate 22 is integrally formed on both upper sides, and a plurality of pinholes 24 adjacent to the inner bottom surface. ) Is horizontally penetrated, and both sides of the elastic pin 40 are inserted into and fixed to the pinhole 24.

In addition, the upper body 25 is formed in a substantially T-shape, the wing plate 26 is integrally formed along the length on both sides of the upper surface of the central rectangular projection 28, a plurality of bolt holes 27 in the wing plate 26, respectively. ) Is formed, the upper body 25 is formed with the insertion groove 29 in the shape of the bottom of the central rectangular protrusion 28 in the shape of ∩.

Accordingly, when the lower body 21 and the upper body 25 are fastened by the fixing bolt B and the nut N, the separator 30 and the elastic pin 40 are inserted into each insertion groove 29 of the square protrusion 28. ) Are placed in close contact with each other.

Rounding surface 33 is formed so that the separator 30 is recessed from the upper surface of the body 31 to the lower surface, and the square groove 32 is formed perpendicular to the body 31, respectively.

That is, the separator 30 is installed in close contact with the inner bottom surface of the lower body 21, a plurality of rounding surface 33 is formed on the upper surface of the body 31 to be recessed to the lower surface of the rounding surface 33 The electrical cable 15 is positioned to be separated.

The elastic pin 40 is manufactured using a plate (PLATE) having a thickness (t) of 3t ~ 5t and a width of about 30mm, it is made of a spring plate to be elastically compressed in the width direction.

That is, the elastic pin 40, the coupling pin portion 41 is formed horizontally on both sides in the longitudinal direction and integral with the coupling pin portion 41, the outer pin portion 42 is formed, respectively, integral with the outer pin portion 42 A plurality of horizontal plate portion 43, the rounding portion 44 and the central pin portion 45 is manufactured in an integral form.

3, 6 and 8, the elastic pin 40 includes two coupling pin portions 41, two outer pin portions 42, six horizontal plate portions 43, and three rounding portions 44. ) And two central pin portions 45 are integrally formed by bending the spring plate.

That is, the elastic pin 40 is formed so that the three rounded portion 44 is projected upward in the central position in the longitudinal direction, and the horizontal plate portion 43 is formed on both sides of the rounded portion 44, respectively.

Thus, the separator 30 is inserted into the four outer grooves 32, the outer pin portion 42, the two center pin portion 45, the outer pin portion 42 of the elastic pin 40, respectively, the outer pin portion 42 Coupling pin portion (41) protruding to the outside of the lower body 21 is inserted into the pinhole 24 penetrated horizontally on both sides in the width direction of the lower body 21 so that the separator 30 and the elastic pin 40 of the lower body 21 It is located on the inner bottom surface.

In particular, the upper body 25 is inserted into close contact with the lower body 21 in the state where the separator 30 and the elastic pin 40 is located on the bottom surface, the lower body 21 and the upper body 25 Is fixed by the fixing bolt (B) and the nut (N), the separator 30 and the elastic pin 40 is positioned for each insertion groove 29 of the upper body 25.

The construction state of the above-mentioned bus duct for electric wiring distribution of the building of the present invention will be described.

When the bus duct 10 is buried in the concrete slab, although not shown in the drawing, the binding wire (IRON WIRE) is used at the position where the reinforcing bar, the fixing bolt (B) and the nut (N) are fastened before the concrete is poured. When the concrete is poured in the binding state, the flow of the bus duct 10 is prevented, and the lower body 21 and the upper body 25 constituting the bus duct 10 are manufactured by using a flame retardant material. .

Particularly, when the outer pin portion 42 and the center pin portion 45 of the elastic plate 40 are inserted into the square groove 32 of the separator 30, a circular passage is formed by the rounding surface 33 and the rounding portion 44. Since it is possible to install the branched wiring position in advance according to the type of the electric cable will be improved the branching efficiency of the electric cable 15.

Effects of the bus duct for distribution of electrical wiring of the building of the present invention according to the above-described configuration will be described below.

That is, the present invention has a structure in which the lower body and the upper body are fastened with fixing bolts to form a bus duct, and thus the construction is easy. It is easy to separate and separate the electric cable, and it is installed to be fixed to the reinforcing bar by combining the tie string to the fixing bolt to fix the lower body and the upper body when buried in the concrete slab. This does not occur has the effect that the bus duct can be installed in the original position.

Claims (1)

It is formed by bending a plate body in a substantially U-shape, each wing plate 22 is integrally formed on both sides of the upper, a plurality of pinholes 24 horizontally formed adjacent to the inner bottom surface, the wing A lower body 21 having a plurality of bolt holes 23 formed in the plate 22; In a substantially T-shape, the wing plate 26 is integrally formed on both sides of the upper surface of the central square protrusion 28, and a plurality of bolt holes 27 are formed in the wing plate 26, respectively, and the upper body ( 25 is composed of an upper body 25 in which the insertion groove 29 is formed in the bottom shape of the central rectangular protrusion 28 in the shape of ∩, A bus duct 10 in which the lower body 21 and the upper body 25 are fastened and fixed by the fixing bolt B and the nut N; On the inner bottom surface of the lower body 21 is installed in close contact with the width direction, the rounding surface 33 is formed so as to be recessed from the upper surface of the body 31 to the lower surface and each perpendicular to the body 31 A square groove 32 is formed, and a plurality of rounding surfaces 33 are formed on the upper surface of the body 31 so as to be recessed to the lower surface of the separator to position the electric cable 15 on the rounding surface 33 to be separated ( 30); The outer pin part 42 and the center pin part 45 are inserted into the square groove 32 of the separator 30 so that the coupling pin part 41 is fixed to the pin hole 24 of the lower body 21 and is fixed like a spring plate. Is made using a plate, Coupling pins 41 are formed horizontally on both sides in the longitudinal direction and are integral with the coupling pins 41 to form the outer pins 42, respectively, and are integrated with the outer pins 42 to form the horizontal plate part 43 and the rounding part ( 44) and the central pin portion 45 is a plurality of elastic pins 40 are made in one piece; includes, The bus duct 10 is installed so that the separator 30 and the elastic pin 40 are positioned at each insertion groove 29 of the upper body 25 when the lower body 21 and the upper body 25 are coupled to each other. Bus duct for distribution of electrical wiring of building.

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