JP2013187982A - Copper bar support member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a copper bar support member which reduces an attachment space, has high flexibility for a method of fixing the copper bar support member to a base, and achieves excellent workability.SOLUTION: A copper bar support member is used for attaching a copper bar, including a number of wiring holes, to the interior of a power distribution board and a switch board. The copper bar support member includes a first bar holding part 11 holding the copper bar and a fixed part fixed to the base. The fixed part fixed to the base includes at least a first fixed part 14 positioned in a longitudinal direction of the copper bar and a second fixed part 15 positioned in a width direction of the copper bar 1.

Description

  The present invention relates to a copper bar support member used for attaching a copper bar to a distribution board, a distribution board, or the like.

  A copper bar having a large number of wiring fixing holes is used for a distribution board or the like. As shown in Patent Document 1, the copper bar is used when branching the voltage of the same voltage, ground, signal, and the like. Conventionally, this type of copper bar has its both ends fixed to the base by a copper bar support member, and in Patent Document 1, in order to secure the mounting strength, a fixed part that protrudes on both sides in the width direction with respect to the copper bar A copper bar support member having the following is used. However, since the fixing portions protrude on both sides in the width direction of the copper bar as described above, a mounting space for that purpose is required, which has been an impediment to downsizing the entire panel.

  FIG. 1 is a perspective view showing the state, in which 1 is a copper bar, 2 is a bar holding portion for holding the copper bar 1, and 3 is a fixing portion to the base. As shown in the figure, since the fixing portion 3 protrudes on both sides in the width direction of the copper bar 1, a lot of space is required.

  In addition, as shown in FIG. 2, there is a type in which a fixing part 4 to the base is provided in the longitudinal direction of the copper bar 1, but after the copper bar 1 is attached to the bar holding part 2, a fixing screw is inserted into the fixing part 4. And cannot be tightened. For this reason, after fixing a copper bar support member to a base previously, it is necessary to attach the copper bar 1, and there existed a problem that workability | operativity was bad.

Japanese Patent Laid-Open No. 9-182219

  Accordingly, the object of the present invention is to solve the above-mentioned conventional problems, reduce the mounting space than before, and have a high degree of freedom in the method of fixing to the base, and a copper bar support member excellent in workability. Is to provide.

  The present invention made to solve the above problems is a copper bar support member that supports a copper bar having a number of wiring holes, and includes a first bar holding portion that holds the copper bar, a fixing portion to the base, The fixing part to the base includes a first fixing part located in the longitudinal direction of the copper bar and a second fixing part located in the width direction of the copper bar.

  The invention of claim 2 is characterized in that, in the invention of claim 1, a third fixing portion is provided at a position opposite to the first fixing portion with the first bar holding portion interposed therebetween.

  According to a third aspect of the present invention, in the second aspect of the present invention, the second bar holding portion is provided at a position opposite to the second fixing portion with the first bar holding portion interposed therebetween.

  The invention of claim 4 is the invention of claim 3, wherein the second fixing portion and the second bar holding portion, and the first fixing portion and the third fixing portion are arranged in a cross shape around the first bar holding portion. It is characterized by.

  Since the copper bar support member of the present invention has a structure including a first fixing portion located in the longitudinal direction of the copper bar and a second fixing portion located in the width direction of the copper bar, while ensuring the mounting strength, It is possible to reduce the size of the copper bar in the width direction. Therefore, there is an advantage that the space in the panel is widened and the wiring work becomes easy. Either a method of attaching the copper bar to the copper bar support member or a method of attaching the copper bar to the copper bar support member after fixing the copper bar support member to the base can be selected.

  If it is set as the structure which provided the 3rd fixing | fixed part in the position on the opposite side of a 1st fixing | fixed part on both sides of a 1st bar holding | maintenance part like Claim 2, it will also be used for the support of the left or right side of a copper bar. It is possible to reduce the number of parts by combining left and right.

  If the second bar holding portion is provided at a position opposite to the second fixing portion with the first bar holding portion interposed therebetween as in claim 3, the two copper bars are supported while being small in size. can do.

  If the structure is such that the second fixing portion and the second bar holding portion, and the first fixing portion and the third fixing portion are arranged in a cross shape with the first bar holding portion as the center, the size is small. And the strength of itself becomes high.

It is a perspective view which shows the conventional copper bar support member. It is a perspective view which shows the other conventional copper bar support member. 1 is a perspective view showing a first embodiment of the present invention. It is a perspective view which shows a use condition. It is a perspective view which shows a use condition. It is a perspective view which shows a use condition. It is a perspective view which shows the 2nd Embodiment of this invention. It is a perspective view which shows the 3rd Embodiment of this invention. It is a perspective view which shows the 4th Embodiment of this invention. It is a perspective view which shows the 5th Embodiment of this invention.

(First embodiment)
3-6 is a figure which shows the 1st Embodiment of this invention. The copper bar support member shown in FIG. 3 is made of an insulating resin, and the first bar holding portion 11 is provided high at the center. An attachment hole 12 for fixing the copper bar is formed on the front end surface. Further, a second bar holding portion 13 is provided at a position one level lower than the side portion.

  As shown in FIG. 4, the copper bars 1 are attached to the tips of the first bar holding part 11 and the second bar holding part 13, respectively. The copper bar 1 is, for example, an earth bar. Each copper bar 1 is provided with a large number of wiring holes 5 so that crimping terminals 6 of electric wires can be connected as shown in FIG.

  A first fixing portion 14 for fixing the copper bar support member to the base 3 is formed on the outer side in the longitudinal direction of the copper bar 1 with respect to the first bar holding portion 11. A second fixing portion 15 for fixing the copper bar support member to the base 3 is provided in the width direction of the copper bar 1. By fastening these two fixing portions to the base 3 with fixing screws (not shown), the copper bar support member can be firmly fixed.

  In the present embodiment, a third fixing portion 16 for fixing the copper bar support member to the base 3 is provided on the opposite side of the first fixing portion 14 with the first bar holding portion 11 interposed therebetween. As described above, if the fixing portions 14 and 16 are provided on both sides of the first bar holding portion 11, it can be used on either the left or right side of the copper bar 1. In the state of FIG. 4, the third fixing portion 16 is not used because it is hidden by the copper bar 1 held by the first bar holding portion 11, but the copper bar support member having the same shape is used for both the left and right sides. When used to support the opposite side, as shown on the left side of FIG. 4, the third fixing portion 16 and the second fixing portion 15 are used.

  Thus, when the copper bar 1 is provided in two levels, the crimp terminal 6 connected to the lower copper bar 1 is positioned below the higher copper bar 1 as shown in FIG. If the lower copper bars 1 are arranged so as to face the inside of the board, the wiring connected to these copper bars 1 can pass smoothly through the outside of the board housing.

  Note that the second bar holding portion 13 is formed higher than the third fixing portion 16. This is to ensure an effective insulating distance between the screw head of the third fixing portion 16 and the crimp terminal 6 to which the copper bar 1 held by the second bar holding portion 13 is attached. As shown in FIG. 6, the lower copper bar 1 and the higher copper bar 1 can be connected by a substantially U-shaped connecting member 7.

  The copper bar support member configured as described above is configured such that the copper bar 1 is held in advance by the first bar holding part 11 and the second bar holding part 13, and then the first fixing part 14 and the base 3 in the panel are arranged. Usually, the second fixing part 15 is used for fixing. However, when attaching the copper bar support member from the beginning to the board, in addition to the first fixing portion 14 and the second fixing portion 15, the first fixing portion 14 and the third fixing portion 16, the second fixing portion 15 and the third fixing portion. What is necessary is just to attach the copper bar 1 after fixing with the combination in any one of the part 16. FIG. Moreover, when supporting the long copper bar 1, a copper bar support member can also be arrange | positioned also in an intermediate position.

  The copper bar support member of this embodiment can reduce the dimension in the width direction of the copper bar unit. In addition, the copper bar 1 can be either unitized with the copper bar support member in advance and attached to the board, or the method of holding the copper bar 1 after attaching the copper bar support member to the board, and there are a variety of work methods. There is an advantage that can be realized. Furthermore, since the high-order copper bar 1 has a long distance from the base 3, a greater force acts on the fixed portion when an external force is applied. However, the copper bar support member of this embodiment includes the first bar holding portion 11. Since it adjoins the 1st fixing | fixed part 14 and the 2nd fixing | fixed part 15, attachment strength can be raised.

(Second Embodiment)
FIG. 7 is a perspective view showing a second embodiment of the present invention. In this embodiment, the first bar holding portion 11 of the first embodiment is lowered and the second bar holding portion 13 is raised. In this way, the height of the bar holding portion can be reversed.

(Third embodiment)
FIG. 8 is a perspective view showing a third embodiment of the present invention. In this embodiment, the first fixing portion 14 is disposed on the outer side in the longitudinal direction of the copper bar 1 held by the second bar holding portion 13. Since the 1st fixing | fixed part 14 does not protrude in the width direction of the copper bar 1, even when providing the several copper bar 1, an installation space becomes small.

(Fourth embodiment)
FIG. 9 is a perspective view showing a fourth embodiment of the present invention. In this embodiment, the second fixing portion 15 is provided between the first bar holding portion 11 and the second bar holding portion 13 in the third embodiment.

(Fifth embodiment)
FIG. 10 is a perspective view showing a fifth embodiment of the present invention. This is a structure obtained by removing the second bar holding portion 13 from the first embodiment. In the case where only one copper bar 1 is to be supported, it is preferable to reduce the size by adopting this structure.

  In each of the above embodiments, the copper bar 1 is an earth bar, but the copper bar 1 may be a power line such as a voltage line or a neutral line, a control common electrode, or the like. In addition to being used as a ground bar at the lower part of the distribution board as shown in FIG. 5, it may be used on the left and right side portions in the vicinity of the load side terminals of the branch breaker. In particular, the present invention is effective when there is little room on the left and right sides of the panel and it is desired to make the wiring work part as wide as possible. Also, in these embodiments, the explanation of the longitudinal direction of the copper bar has been explained with reference to the drawing on the extension line of the center of the copper bar, but it may be shifted to the left and right and outside the end face in the longitudinal direction of the copper bar. Is included. Similarly, the description of the width direction of the copper bar also includes the entire inner side of the end surface in the longitudinal direction of the copper bar.

DESCRIPTION OF SYMBOLS 1 Copper bar 2 Bar holding part 3 Base 4 Fixing part 5 Wiring hole 6 Crimp terminal 7 Connecting member 11 1st bar holding part 12 Mounting hole 13 2nd bar holding part 14 1st fixing part 15 2nd fixing part 16 3rd fixing Part

Claims (4)

  A copper bar support member for supporting a copper bar having a large number of wiring holes, comprising a first bar holding part for holding the copper bar and a fixing part to the base, wherein the fixing part to the base is a length of the copper bar. The copper bar support member characterized by including the 1st fixing | fixed part located in a direction, and the 2nd fixing | fixed part located in the width direction of a copper bar.   The copper bar support member according to claim 1, wherein a third fixing part is provided at a position opposite to the first fixing part across the first bar holding part.   The copper bar support member according to claim 2, wherein a second bar holding part is provided at a position opposite to the second fixing part across the first bar holding part.   The copper bar support according to claim 3, wherein the second fixing part and the second bar holding part, and the first fixing part and the third fixing part are arranged in a cross shape with the first bar holding part as a center. Element.

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