JP2015090836A - Distribution apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technique for allowing reduction of the amount of cavity occurring between housings when arranging a distribution apparatus and other apparatus not having a positioning recess, side by side, in the distribution apparatus provided with a positioning protrusion used to be fitted in the positioning recess formed in the side face of the housing of the distribution apparatus arranged contiguously, with a protrusion amount of such level as not damaging the workability of the positioning work, when arranging the distribution apparatus such as switches while stacking.SOLUTION: In a distribution apparatus including positioning means 15 used for positioning between housings 7, 8, when stacking the plurality of housings 7, 8 constituting the distribution apparatus, the positioning means 15 consists of a first recess 11 formed in a side face 5b of one housing 8 of the distribution apparatus to be stacked, a first protrusion 9 formed in a side face 5a of the other housing 7, and performing the positioning by being fitted in the first recess 11, a second recess 10 formed around the first protrusion 9, and a second protrusion 12 formed around the first recess 11, and performing the positioning by being fitted in the second recess 10.

Description

  The present invention relates to a power distribution device such as a switch.

  As a technique to be used when constructing a multi-pole switch by stacking single-pole switches, positioning recesses / projections are formed on the side surface of each adjacent switch, After the convex portions are fitted together, the adjacently arranged casings (casings constituting the switch) are each guided to the correct position, and after positioning in this way, the plurality of adjacently arranged casings A technique for engaging and fixing by inserting a rivet or a fixing screw so as to penetrate the width direction is disclosed (for example, FIG. 4 of Patent Document 1).

  The projections and depressions fit into each other when the protruding amount of the convex portion (height protruding from the side surface of the housing) and the concave amount of the concave portion (depth recessed from the side surface of the housing) are too small. Since it is easy to cause a deviation from the state and it is difficult to perform the positioning operation, conventionally, it has been formed with a projection amount and a depression amount at a level that does not impair the workability of the positioning operation.

  However, when using a case in which a protruding portion with a protruding amount at a level that does not impair the workability of positioning work is used side by side with a case that forms another device that does not have a recessed portion, the protruding portion of the protruding portion There was a problem that it was not possible to dispose the adjacent casings and the side surfaces so as to face each other, resulting in a large gap between the casings, which was not preferable in appearance.

JP 2001-160349 A

  An object of the present invention is to solve the above-mentioned problems, and when positioning power distribution devices in an overlapping manner, the positioning device is used so as to be fitted with a positioning recess formed on the side surface of a casing of a power distribution device arranged adjacently. In the distribution device provided on the side of the housing with a protruding amount at a level that does not impair the workability of the positioning work, when this power distribution device is arranged side by side with other devices that do not have a positioning recess, It is to provide a technique capable of reducing the amount of voids generated between housings.

  The power distribution device of the present invention made to solve the above-described problem includes positioning means used for positioning between the housings when a plurality of housings constituting the power distribution device are arranged in the housing width direction. A power distribution device, wherein the positioning means is formed on a side surface of one housing among power distribution devices arranged in an overlapping manner, and is formed on a side surface of the other housing, and is fitted to the first recess. A first convex portion for positioning together, a second convex portion formed around the first concave portion on the side surface of the one housing, and around the first convex portion on the side surface of the other housing It is formed of a second concave portion which is formed and fitted with the second convex portion to perform positioning.

  According to a second aspect of the present invention, in the power distribution apparatus according to the first aspect, the second convex portion on the side surface of the one casing is formed at a plurality of locations around the first concave portion, and the side surface of the other casing is provided. The second concave portion is formed at a plurality of locations around the first convex portion.

  According to a third aspect of the present invention, in the power distribution device according to the first aspect, the second convex portion on the side surface of the one casing is formed so as to surround the outer periphery of the first concave portion, and the side surface of the other casing is provided. The second concave portion is formed so as to surround the outer periphery of the first convex portion.

  According to a fourth aspect of the present invention, in the power distribution device according to the third aspect, the outer peripheral side of the second convex portion on the side surface of the one casing and the outer peripheral side of the second concave portion on the side surface of the other casing. It is characterized by having a tapered shape.

  According to a fifth aspect of the present invention, in the power distribution device according to the first aspect, the outer peripheral surface of the first concave portion and the inner peripheral surface of the second convex portion on the side surface of the one casing are positioned on the same plane. The first convex portion and the second convex portion are formed continuously, and the first convex portion is arranged such that the outer peripheral surface of the first convex portion and the inner peripheral surface of the second concave portion on the side surface of the other casing are on the same plane. The portion and the second recess are continuously formed.

  According to a sixth aspect of the present invention, in the power distribution apparatus according to the first aspect, the positioning unit is further formed on the side surface of the one casing, and a third recess formed on the side surface of the other casing, Forming a third convex portion for positioning by fitting with the third concave portion, and a fourth convex portion formed around the third concave portion on the side surface of the other casing; A fourth recess formed around the third convex portion and positioned by fitting with the fourth convex portion; and the first concave portion and the second convex portion at one end in the longitudinal direction of one housing side surface, The other end is provided with a third convex portion and a fourth concave portion, the other housing side surface is provided with the first convex portion and the second concave portion, and the other end is provided with the third concave portion and the fourth convex portion. It is characterized by.

  In the present embodiment, as described in claim 1, the positioning means is formed on the first recessed portion formed on the side surface of one casing and the side surface of the other casing among the power distribution devices arranged in an overlapping manner. A first convex portion that is positioned by fitting with the first concave portion, a second concave portion formed around the first convex portion on the side surface of the other casing, and the side surface of the other casing. In the present invention, which is formed around the first concave portion and is configured by the second convex portion which is positioned by fitting with the second concave portion, the protrusion amount and the depression amount at a level that does not impair the workability of the positioning work, In the case of (1), “projection height of the first protrusion + depression depth of the second recess” is ensured, and in the other case, “depression depth of the first depression + projection height of the second protrusion” Therefore, the “projection height of the first protrusion” can be kept lower than the “projection height of the conventional protrusion”. . For this reason, according to the present invention, when the power distribution device is arranged side by side with other devices that do not have positioning recesses, it is possible to reduce the amount of voids generated between the housings.

  The second convex portion on the side surface of the one housing is formed at a plurality of locations around the first concave portion, and the second concave portion on the side surface of the other housing is formed on the second side surface. It is formed at a plurality of locations around one convex portion, or the second convex portion on the side surface of the one casing is formed so as to surround the outer periphery of the first concave portion as in the invention of claim 3. The second concave portion on the side surface of the other casing is formed so as to surround the outer periphery of the first convex portion, and the “first convex portion and the first concave portion” and the “second convex portion and the second concave portion” are formed. It is difficult to cause a deviation from the fitted state, and the workability of the positioning work can be improved.

  Furthermore, in order to improve the workability of the positioning operation, as in the invention according to claim 4, the second convex portion outer peripheral side of the one casing side surface and the second casing side surface of the second casing side surface. The outer periphery of the two recesses is tapered so that each housing is guided to the correct position, or the outer surface of the first recess on the side surface of the one housing is The first concave portion and the second convex portion are continuously formed so that the inner peripheral surfaces of the two convex portions are located on the same plane, and the outer peripheral surface of the first convex portion on the other casing side surface and the second convex portion. The first convex portion and the second concave portion are continuously formed so that the inner peripheral surface of the concave portion is located on the same plane, and the effects of the present invention can be achieved without using a complicated mold.

  According to a sixth aspect of the present invention, the positioning means further includes a third concave portion formed on one side surface of the casing and a side surface of the other casing, and is positioned by fitting with the third concave portion. A third convex portion formed around the third convex portion on the side surface of the other housing, a fourth concave portion formed around the third convex portion on the side surface of the other housing, A fourth convex portion that is positioned by fitting with the four concave portions is formed, and the first concave portion and the second convex portion are provided at one end in the longitudinal direction of one side of the casing, and the third concave portion and the fourth convex portion are provided at the other end. A first convex portion and a second concave portion at one end in the longitudinal direction of the other casing side surface, and a third convex portion and a fourth concave portion at the other end, thereby further shifting the gap between the casings. It is difficult to occur and the workability of the positioning work can be improved.

It is a whole perspective view of the switching switch concerning the following embodiment. FIG. 2 is an exploded perspective view of FIG. 1. It is principal part explanatory drawing of the switching switch which concerns on the following embodiment. It is a horizontal sectional view showing the state just before positioning of the positioning means. It is the whole perspective view and front view which show the principal part of a positioning means. It is a front view of the positioning means in other embodiment. It is a horizontal sectional view of a positioning means. It is a front view of the positioning means in other embodiment. It is a front view of the positioning means in other embodiment.

  Preferred embodiments of the present invention are shown below.

  As shown in FIG. 1, the switch as the power distribution device of the present embodiment has output terminal portions 2 and 3 formed at two front and rear positions below the handle 1 so as to sandwich the handle 1, and one output terminal. A plurality of one-pole type switching switches 5 each having an input terminal portion 4 are stacked above the portion 2 to form a multipolar structure. In the present embodiment, positioning means 15 are formed at two positions in the longitudinal direction of the casings 7 and 8. In the present embodiment, the input terminal portion 4 side when viewed from the handle 1 is referred to as the front, the opposite side is referred to as the rear, and the width direction of the housings 7 and 8 is referred to as the left-right direction.

  As shown in FIG. 2, the two-pole switching switch of FIG. 1 is fixed by passing screws 6 through the switching switches 5. Prior to the penetration of the screw 6, a positioning operation is performed in which the casings 7 and 8 constituting each switching switch 5 are overlapped in a correct arrangement. Positioning means 15 used for this positioning is formed on the side surfaces 5a and 5b of the housings 7 and 8, respectively.

  As shown in FIG. 2A, the front positioning means 15 includes a “first convex portion 9 and a second concave portion 10” formed on the side surface 5b of the casings 7 and 8, and a forward positioning means 15 shown in FIG. As shown in FIG. 2 (a), the rear positioning means 15 is composed of “first concave portion 11 and second convex portion 12” formed on the side surface 5a of the casings 7 and 8. The “third concave portion 13 and the fourth convex portion 14” formed on the side surface 5b of the seventh and eighth sides, and the “third convex portion formed on the side surface 5a of the housings 7 and 8, as shown in FIG. It is comprised from the part 17 and the 4th recessed part 18 ". As shown in FIG. 3, positioning of the casings 7 and 8 in the longitudinal direction is performed by fitting the “first convex portion 9 and the first concave portion 11” and the “second concave portion 10 and the second convex portion 12”. The positioning of the casings 7 and 8 in the longitudinal direction is performed by fitting the “third concave portion 13 and the third convex portion 17” and the “fourth convex portion 14 and the fourth concave portion 18”.

  In the present embodiment, the positioning means 15 constituted by the “first convex portion 9 and the second concave portion 10” and the positioning means 15 constituted by the “third convex portion 17 and the fourth concave portion 18” have the same shape, Since the positioning means 15 constituted by the “first concave portion 11 and the second convex portion 12” and the positioning means 15 constituted by the “third concave portion 13 and the fourth convex portion 14” have the same shape, the casings 7, 8 When the positioning means 15 formed at the end in the longitudinal direction is fitted, it does not easily come off.

  Hereinafter, in FIG. 3 and FIG. 4, the positioning means 15 composed of the “first convex portion 9 and the second concave portion 10” formed on the side surface 5 b of the housing 7 and the side surface 5 a of the housing 8. The combination of “first concave portion 11 and second convex portion 12” will be described as a representative example.

  In the present embodiment, the protrusion amount and the recess amount at a level that does not impair the workability of the positioning operation are expressed as “the protrusion height (A) of the first protrusion 9 + the recess depth of the second recess 10” on the side surface 5 b of the housing 7. ”(B)”, and the side surface 5a of the housing 8 is secured by “the depression depth of the first recess 11 (C) + the projection height (D) of the second protrusion 12”. Positioning can be performed without impairing the workability of the positioning operation while suppressing the protrusion height (A) of the first protrusion 9 lower than the “projection height of the conventional protrusion”. For this reason, according to the present invention, when the switching switch 5 according to the present embodiment is arranged side by side with another device that does not have a positioning recess, the gap generated between the switching switch 5 and the adjacent housing. The amount can be reduced.

  As shown in FIG. 4, the outer peripheral side of the second concave portion 10 and the outer periphery of the second convex portion 12 are tapered, and the casings 7 and 8 are correctly fitted while sliding the tapered portions 16. By adopting a structure that guides to the side, the workability of the positioning work can be improved. In the present embodiment, in addition to the tapered portion 16, by adopting a structure in which the inner peripheral side of the second concave portion 10 and the inner peripheral side end of the second convex portion 12 are formed in an R shape, Achieves further improvement in workability.

  In the above embodiment, as shown in FIG. 5, the second concave portion 10 is formed so as to surround the outer periphery of the first convex portion 9, and the second convex portion 12 is formed so as to surround the outer periphery of the first concave portion 11. However, as shown in FIG. 6A, the second concave portion 10 and the second convex portion 12 are formed before and after the first convex portion 9 and the first concave portion 11, respectively. As shown in FIG. 6, the first convex portion 9 and the first concave portion 11 are formed above and below, or as shown in FIG. 6C, the first convex portion 9 and the first concave portion 11 are formed in an L shape around the first convex portion 9 and the first concave portion 11. It can also be formed.

  In order to facilitate fine adjustment in the positioning operation, as shown in FIG. 7A, the longitudinal width (E) of the first convex portion 9 (and the first concave portion 11) and the second concave portion 10 ( In addition, the longitudinal width (F) of the second convex portion 12) is preferably different and the longitudinal width (E) is wider than the longitudinal width (F). As shown in FIG. 7 (b), when both widths are the same, even if the engagement at an inaccurate position is performed at the stage of rough alignment at the beginning, Since the deviation width is small, it is difficult to make fine adjustments for leading to the correct position. In order to facilitate fine adjustment, the different longitudinal widths (E) and (F) are better, and it is desirable to have a size that is twice or more different.

  In the above embodiment, the first convex portion 9 and the second concave portion 10 are continuously formed so that the outer peripheral surface of the first convex portion 9 and the inner peripheral surface of the second concave portion 10 are located on the same plane. The first concave portion 11 and the second convex portion 12 are continuously formed so that the outer peripheral surface of the first concave portion 11 and the inner peripheral surface of the second convex portion 12 are located on the same plane. According to this structure, the effect of the present invention can be achieved while restricting movement in the front-rear and up-down directions without using a complicated mold. As another embodiment, as shown in FIG. 8, it is possible to adopt a structure in which the outer peripheral surface (G) of the first convex portion 9 and the inner peripheral surface (H) of the second concave portion 10 do not coincide. However, in the embodiment as shown in FIG. 8, when the “first concave portion 11 and the second convex portion 12” are to be fitted to the “first convex portion 9 and the second concave portion 10”, a guide is provided. Since there are many problems that the R shape and the taper shape to be easily formed are increased, and the shape of the mold becomes complicated, it is desirable to have the shape as shown in FIG.

  In addition, the shape of the positioning means 15 is not limited to the above rectangular shape, and may be a circular shape or a cross shape as shown in FIG.

  Moreover, in the said embodiment, although the switching switch 5 which switches the output terminal parts 2 and 3 to either side by operating the handle | steering_wheel 1 was demonstrated, the switch of this invention is limited to a switching switch. However, the present invention is applicable not only to circuit breakers such as circuit breakers for wiring, but also to power distribution equipment as a whole including terminal blocks, lightning arresters, power measurement units, and the like.

DESCRIPTION OF SYMBOLS 1 Handle 2, 3 Output terminal part 4 Input terminal part 5 Switching switch 5a Side surface 5b Side surface 6 Screw 7, 8 Case 9 1st convex part 10 2nd recessed part 11 1st recessed part 12 2nd convex part 13 3rd recessed part 14 Fourth convex portion 15 Positioning means 16 Tapered portion 17 Third convex portion 18 Fourth concave portion

Claims (6)

A power distribution device provided with positioning means used for positioning between housings when arranging a plurality of housings constituting the power distribution device in the housing width direction,
The positioning means comprises:
Of the power distribution equipment arranged in layers,
A first recess formed on one housing side surface;
A first protrusion formed on the side surface of the other housing and engaged with the first recess for positioning;
A second protrusion formed around the first recess on the side surface of the one housing;
A power distribution device comprising: a second concave portion formed around the first convex portion on the side surface of the other casing and configured to be positioned by fitting with the second convex portion. Forming the second convex portion on the side surface of the one housing at a plurality of locations around the first concave portion;
The power distribution device according to claim 1, wherein the second concave portion on the side surface of the other casing is formed at a plurality of locations around the first convex portion. Forming the second convex portion on the side surface of the one casing so as to surround the outer periphery of the first concave portion;
The power distribution device according to claim 2, wherein the second concave portion on the side surface of the other casing is formed so as to surround an outer periphery of the first convex portion.   The power distribution device according to claim 3, wherein the outer peripheral side of the second convex portion on the side surface of the one housing and the outer peripheral side of the second concave portion on the side surface of the other housing are tapered. The first concave portion and the second convex portion are continuously formed so that the outer peripheral surface of the first concave portion and the inner peripheral surface of the second convex portion on the side surface of the one housing are located on the same plane. The first convex portion and the second concave portion are formed continuously so that the outer peripheral surface of the first convex portion on the side surface of the housing and the inner peripheral surface of the second concave portion are located on the same plane. Item 1. Power distribution equipment according to item 1. As the positioning means,
A third recess formed on the side surface of the other housing;
A third convex portion formed on the side surface of the one housing and positioned by fitting with the third concave portion;
Forming a fourth protrusion formed around the third recess on the side surface of the other housing;
A fourth recess formed around the third projection on the side surface of the one housing and positioned by fitting with the fourth projection;
One end of the housing side surface is provided with the first concave portion and the second convex portion, and the other end is provided with the third convex portion and the fourth concave portion,
2. The power distribution device according to claim 1, further comprising: the first convex portion and the second concave portion at one end in the longitudinal direction of the other housing side surface, and the third concave portion and the fourth convex portion at the other end.