KR200450185Y1 - A bus-bar fixing holder for distribution switchboard - Google Patents

Abstract

The present invention forms an outer cover supporting member in which an end of the busbar is seated in configuring a distribution panel including an overcurrent breaker, a busbar, and a holder on a base panel of the cabinet for distributing electric power drawn from the outside. And forming a space portion inside the outer cover support member under the bus bar, and assembling an inner insertion fixing member into which the nut is inserted and fixed to form a support block unit; The busbar holder for the distribution panel is constructed by assembling 3-4 support block units using the joint protrusion formed on the side of the outer cover support member and the joint slot formed on the opposite side thereof.

Distribution board, busbar holder, support block unit, outer cover support member, internal insertion fixing member

Description

Busbar holder for power distribution board {A BUS-BAR FIXING HOLDER FOR DISTRIBUTION SWITCHBOARD}

The present invention is to configure the holder facing the over-current breaker to support the busbar for the distribution panel for distributing the electric power drawn from the outside, in particular the nut is inserted into the inner space of the outer cover supporting member on which the busbar is seated Assembling the interlocking fastening member to construct the supporting block unit, and by selectively assembling 3-4 supporting block units, thus reducing the manufacturing cost and convenience of manufacturing and assembly by using the general nut The present invention relates to a busbar holder for a distribution panel that can improve the performance.

The distribution panel is an overcurrent circuit breaker (過 電 流 遮斷 器) gathered and mounted on the substrate, the overcurrent circuit breaker is the first switch from the power source side and has the ability to cut off the overcurrent. A box containing a distribution panel is called a cabinet, and in a broad sense it is also called a distribution panel including a cabinet.

These distribution boards are installed by collecting various circuit breakers such as overcurrent circuit breakers and earth leakage circuit breakers on the substrate, and the circuit breakers are connected to indoor wiring of a building and the like to distribute power supplied from the outside to supply each element of the indoor and supply power simultaneously. It is used to open and close.

More specifically, the distribution board is to alternately arrange busbars in the longitudinal and transverse directions on a flat substrate, and selectively interconnect them. A main overcurrent circuit breaker is installed at one side of the busbar busbar in the longitudinal direction and a busbar holder is installed at the other side. Connect. In addition, a plurality of auxiliary overcurrent circuit breakers, earth leakage circuit breakers, etc. are connected to both sides of the transverse charity bus bar.

Here, the busbar holder is for safely connecting a larger amount of busbars to the short circuit and the no-fuse breaker, and an example thereof is well represented in Korean Utility Model Publication No. 0292579 (October 07, 2002).

The power line fixing holder of the circuit breaker disclosed in the above publication is a new structure in which a screw part for fixing a power line (booth bar) is made of a metal material and is coupled to the inside of the fixing holder by an insert method, extending the life of the holder and increasing the amount of power lines. Make sure you connect it securely.

The power line fixing holder of the conventional circuit breaker is produced by the insert method, thereby extending the life of the product. However, in order to install the screw part by the insert assembly method, the structure becomes complicated, thereby increasing the manufacturing cost of the component. There is a problem.

That is, the conventional structure includes a fixed body formed with a spiral for fixing a power line (booth bar) at the center and having a polygonal outer circumferential surface, and has a special structure for protruding the spiral to the front of the fixed body. The parts of the structure is difficult to manufacture and there is a problem that takes a lot of cost during manufacture.

The present invention has been made in order to solve the problems of the prior art described above, but assembling the internal insertion fixing member in which the nut is inserted and fixed to the inner space of the outer cover supporting member on which the busbar is seated, constitutes the supporting block unit, 3 -By selectively assembling the four support block units, it is possible to use a general nut, unlike the conventional structure by the insert method, and as a result can reduce the manufacturing cost, and improve the convenience and assembly of the manufacturing The purpose is to.

According to the above object, in the present invention, an overcurrent circuit breaker connected to an external power line, a busbar connected to the overcurrent circuit breaker, and an end of the busbar are fixedly supported on the base panel of the cabinet to distribute the power drawn from the outside indoors. In forming a distribution board by installing a holder to form an outer cover supporting member on which the end of the busbar is seated, and forming a space inside the outer cover supporting member below the busbar, and the nut is inserted into the space. And a supporting block unit configured to fasten the bus bar by fastening means penetrating the bus bar and the outer cover support member and screwing the nut; 3-4 support block units are assembled by using a joint protrusion formed on the side of the outer cover support member and a joint slot formed on the opposite side thereof, and are inserted into the fastening hole of the outer cover support member and penetrated through the base panel. It proposes a busbar holder for distribution boards, characterized in that is fixed by the fastening means to be.

In addition, the present invention can be assembled by forming a separation prevention groove in the inner insertion fixing member, and forming a separation prevention jaw in the outer cover supporting member opposite thereto.

As can be seen through the problem solving means described above, the busbar holder for the distribution panel of the present invention can obtain the effect of solving the problem by the insert method of the prior art.

In other words, the present invention can be separated and assembled by the holder consisting of the outer cover support member and the inner insertion fixing member, and in particular by allowing the use of the general nut by simply inserting the inner insertion fixing member, reducing the manufacturing cost and manufacturing Convenience can be realized.

In addition, according to the present invention, not only can the design and size of the holder be freely adjusted, but also the assembly of the holder itself and the assembly of the busbars can be obtained by the optional 3-4 assembly of the supporting block unit. Can be.

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

Figure 1 shows the overall structure of the distribution panel according to the present invention, Figures 2 to 4 shows the detailed structure of the busbar holder for the distribution panel of the present invention.

The distribution panel of the present invention is for distributing the power drawn from the outside to be distributed indoors, and collects various over-current breakers having the ability to open and close and over-current on the base panel B (see FIG. 4) of the cabinet (not shown). It is done by installation.

As can be seen from the figure, the overcurrent circuit breaker includes a main overcurrent circuit breaker 1 directly connected to an external power line, and an auxiliary overcurrent circuit breaker 3 connected to various electric appliances indoors, and also a ground fault circuit breaker 5 And the like.

The aggregated overcurrent breakers are connected and branched through busbars to distribute external power. The busbar is a busbar bar 7 connected to the main overcurrent breaker 1, and a busbar bar 9 connecting the busbar bar 7 to various auxiliary overcurrent breakers 3 and an earth leakage breaker 5. It includes. The busbar 7 has one end connected to the main overcurrent breaker 1 and the other end connected to the holder 11.

On the other hand, reference numeral 12 in the drawings refers to a safety cover for covering the upper portion of the bus bar to prevent safety accidents such as electric shock.

In the distribution panel configured as described above, in particular, the present invention improves the busbar holder 11 so that the nut 13 having a general structure can be used, and the manufacturability and assemblability can be further improved. I put it.

To this end, in the present invention, the busbar holder 11 is constituted, but an internal insertion fixing member 15 into which the general nut 13 is inserted and fixed is provided, and a space is provided inside to accommodate the internal insertion fixing member 15. The outer cover supporting member 17 is formed, and the supporting block unit 19 is constructed by assembling the inner insert fixing member 15 and the outer cover supporting member 17.

The insertion insert fixing member 15 is preferably formed in a substantially square pillar shape, but need not be limited to the shape. In addition, the lower side of the side is formed by the separation preventing groove (15a), respectively, and the anti-separation jaw (17a) opposite to each other by forming the outer cover supporting member 17 to be mutually coupled, thereby inserting the fixing member (15) and the outside It is possible to improve the assembly of the cover support member 17 and to prevent unwanted detachment.

The end of the busbar busbar (hereinafter abbreviated as busbar) 7 is seated on the upper surface of the outer cover support member 17, in which case the busbar 7 holes 7a and the outer cover support member 17 holes. The bus bar 7 may be firmly fixed by the fastening means 27 such as a bolt which penetrates through the 17b and is screwed to the nut 13 of the interlocking fixing member 15.

The supporting block unit 19 configured as described above generally assembles 3-4 pieces to form the busbar holder 11 according to the connection of the busbars 7. To this end, a joint protrusion 23 is formed on one side of the outer cover support member 17 and a joint slot 25 is formed on the opposite side thereof, and thus the support block unit 19 has a corresponding joint protrusion. The bus bar holder 11 is completed by joining the 23 and the joining slots 25 to each other.

The busbar holder 11 configured as described above is inserted into both fastening holes 17c formed in the outer cover support member 17 and connected to the fastening means 27 such as bolts and nuts which are coupled through the base panel B of the cabinet. It is fixed by installation.

On the other hand, the present invention is not limited to the above-described embodiment, it will be apparent that many modifications and implementations can be made by those skilled in the art within the technical idea of the present invention.

1 is a plan view showing the overall structure of the distribution panel according to the present invention.

Figure 2 is an assembled perspective view showing a busbar holder for the distribution panel of the present invention.

3 is an exploded perspective view showing a busbar holder for a distribution panel of the present invention.

4 is a cross-sectional view taken along the line A-A of FIG.

Claims (3)

Configured to face an overcurrent breaker to support a busbar for distribution boards that distributes the power drawn from the outside into the room; An outer cover supporting member on which the bus bar is seated, an inner insertion fixing member in which a nut assembled to the inner space of the outer cover supporting member below the bus bar is inserted and fixed, and a bolt passing through the bus bar and the outer cover supporting member; In the busbar holder for distribution panel comprising a support block unit configured to secure the busbar by screwing the nut, Busbar holder for a distribution panel comprising a joint protrusion formed on the side of the outer cover supporting member and a joint slot formed on the opposite side, assembling 3-4 supporting block units. delete Configured to face an overcurrent breaker to support a busbar for distribution boards that distributes the power drawn from the outside into the room; An outer cover supporting member on which the bus bar is seated, an inner insertion fixing member in which a nut assembled to the inner space of the outer cover supporting member below the bus bar is inserted and fixed, and a bolt passing through the bus bar and the outer cover supporting member; In the busbar holder for distribution panel comprising a support block unit configured to secure the busbar by screwing the nut, Booth bar holder for distribution boards, characterized in that formed by forming a separation prevention groove in the inner insertion fixing member, the separation prevention jaw formed in the outer cover supporting member opposed thereto.

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