JP2002135951A - Branch apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a branch apparatus by which a work for its installing and removing can be easily and surely performed, and dramatically reduces the labor required for the work. SOLUTION: The branch apparatus has a box, branch terminals protruding from a mounting surface of the box, a locking member protruding from proximity of a front end of the mounting surface. The branch apparatus inserts the locking member into an inserting hole on a bus duct, turns around the locking member, and is mounted. In the branch apparatus, at least a part of the locking member is located at a position protruding from a periphery of the box viewed vertical to the mounting surface. Preferably, a locking hook hookable on a locking hole, is protruded and formed on the forward side. A supporting piece extending almost perpendicular to the mounting surface, is formed at the end on the backward side. A guiding piece as an arcuate protrusion is formed at the back end on the backward side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a branching device for branching a bus duct.

[0002]

2. Description of the Related Art Conventionally, as a technique related to a branching device for branching a current from a conductor of a bus duct, for example, Japanese Utility Model Publication No.
There is a technique disclosed in Japanese Patent No. 39994. In this technique, a plug-in device has a clip inserted and connected to an inner conductor of a bus duct, a U-shaped fixing bracket sandwiching the clip, and a notch at a base side edge longer than the clip and longer than the clip. A ground clip is provided on a lower plate surface of a mounting hole of a bus duct for fixing a metal mounting plate and inserting and locking the mounting plate. The ground clip contacts the mounting plate.

Further, as a technique relating to a mounting bracket of a branching device, there is a technique disclosed in, for example, Japanese Utility Model Publication No. 59-20784. In this technology, stud bolts are fixed to both sides of a mounting plate that is integrally attached to a plug-in device and protrude outward, and are fixed to the stud bolts to protrude left and right inward by the elastic force of a spring. A locking ramp for engaging the hook and engaging the hook with the edge when the plug-in device is attached to the duct to limit movement toward the plug-in device; Inclined sliding surface for moving the fixed hook outward against the elastic force by contacting both sides of the duct when approaching the device and leading until the edge and the locking slope come into contact And mounting brackets for the branching device provided with:

[0004]

[Problems to be Solved by the Invention]
In Japanese Patent No. 39994, although the mounting plate is engaged with the mounting hole, the mounting operation is somewhat facilitated and its reliability is improved to some extent, but the mounting plate is hidden in the box as shown in the figure. Since it is provided at the position, it is impossible for the mounting operator to visually observe when the mounting plate and the mounting hole are engaged, and the work of engaging the mounting plate and the mounting hole by relying on the can is performed. In Japanese Utility Model Publication No. 59-20784, the mounting plate and the mounting hole are not present, and the operation of inserting the clip into the plug-in opening is performed in a state in which the clip is invisible as described above. Therefore, the mounting operation is still difficult, the reliability is low, and in the latter case, there is a problem that the clip portion and the bus duct collide and the clip portion may be damaged.

In Japanese Utility Model Publication No. 60-39994, there is a problem in the case where the mounting plate is fixed in the direction shown in FIG. However, it is difficult to fix all of the branching devices in the direction shown in FIG. 4 due to the structure forming the electric trunk line of the bus duct. When the mounting plate is fixed upside down in FIG. 4, that is, when the mounting plate is fixed in a direction in which the mounting plate is positioned upward, the mounting plate may be inserted into the mounting hole through a difficult operation. The mounting plate easily slides down from the mounting hole. Therefore, even after the mounting plate is inserted into the mounting hole, it is necessary to perform the mounting work in a tensioned state and the like, which requires a great deal of labor.

In Japanese Utility Model Publication No. 60-39994,
The plug-in device is rotated for installation to facilitate the installation work to some extent, but for installation and removal work on the side where the mounting plate is not provided, bolts and nuts are also used with tools. And the plug-in device will be attached and detached. From this point, a great deal of labor is still expended.

When the technique disclosed in Japanese Utility Model Publication No. 59-20784 is used for the mounting operation, as shown in the figure, the bottom of the fixing hook is located at a position higher than or equal to the bottom of the side plate. Since the plug-in device is pressed and fixed by the biasing force of the slope and the coil spring, the mounting operation is simplified to some extent. However, it is necessary to further tighten the wing nut after pressing and fixing the plug-in device at the time of installation work, and it is necessary to loosen the wing nut at the time of removal work, for example, once removing the plug-in device and further removing If it is installed in another place, it is necessary to tighten or loosen the wing nut, and it is still necessary to spend a great deal of effort.

SUMMARY OF THE INVENTION The present invention solves all of the above-mentioned problems, and it is possible to easily and surely perform the attaching and detaching operations, and to drastically reduce the labor required for such operations. It is an object of the present invention to provide a branching device capable of performing such a branching.

[0009]

SUMMARY OF THE INVENTION A branching device according to the present invention comprises a box, a branch terminal protruding from a mounting surface of the box, and a latch provided substantially near a front end of the mounting surface. A branching device having a locking member inserted into a locking hole of a bus duct, and mounted while rotating around the locking member, wherein the mounting surface is viewed from a vertical direction. At least a part of the stop member is provided at a position protruding from the outer periphery of the box body. For example, in the present invention, at least a part of the locking member fixedly provided near the bottom surface such as the front of the bottom surface or the front of the side surface of the branch box is formed at a position protruding from the peripheral wall of the branch box, A branching device having a configuration in which the locking member is inserted into a locking hole of a bus duct, and is attached by rotating about the locking member inserted into the locking hole.

Further, in the branching device according to the present invention, in the above-mentioned branching device, the locking member has a locking hook portion protrudingly formed on a front side of the locking member so as to be hooked on the locking hole, and a rear side thereof. A support side extending substantially perpendicularly to the mounting surface is formed at a substantially front end, and a substantially arc-shaped convex guide side is formed at a substantially rear end of the rear side. For example, the branching device of the present invention includes a base for fixing the locking member to the branching box,
The base has a locking piece having both side edges bent and extended substantially at a right angle, and a locking hook that can be hooked on a locking hole is provided on a front side of the locking piece, and a rear side thereof is provided on a rear side thereof. A support side extending in a direction substantially perpendicular to the box bottom surface is provided, and a substantially arc-shaped guide side is provided between the rear side of the base and the support side.

Further, in the branching device of the present invention, a fixed hook urged inward from the left and right by a spring member is provided substantially near the rear end of the mounting surface in the branching device. It is characterized by being fixed to the bus duct together. For example, the branching device of the present invention is provided with a fixing member having legs extending downward from the rear of the box bottom surface or the rear of the side of the box, and the fixing member is configured to be fixable to a bus duct housing at a location such as a leg member, Further, the fixing member is provided with a fixing hook which can be moved left and right by the elastic force of a spring member provided on both outer side surfaces of the leg piece.

Further, according to the branching device of the present invention, in the above-mentioned branching device, a leg is protruded and provided substantially in the vicinity of the rear end of the mounting surface, and the spring member is supported outside the leg. The fixed hook is configured to be biased inward by the spring member outside the leg, and a part of the fixed hook projects from the leg on a plane substantially perpendicular to the biasing direction. It is assumed that. For example, a configuration is adopted in which a part of the bottom of the fixed hook is located below the bottom of the leg piece.

[0013]

In the branching device of the present invention, at least a part of the locking member is provided at a position protruding from the outer periphery of the box when viewed in the vertical direction of the mounting surface. The locking member can be inserted, and the work of attaching the branching device to the bus duct can be easily performed by one worker.

Further, the locking member has a locking hook portion protrudingly formed on the front side of the locking member and a supporting side extending substantially perpendicularly to the mounting surface at a substantially distal end of the rear side thereof. By forming a substantially arc-shaped convex guide side at a substantially rear end of the rear side, for example, the branching device is fixed to a vertically laid bus duct in a direction in which the locking member is positioned upward. In this case, the weight of the branching device can be received by the supporting side or the guide side, and the supporting device is formed to extend in a direction perpendicular to the bottom surface or the like of the branching device. Can be prevented. Further, for example, when the branching device is fixed to a vertically laid bus duct in a direction in which the locking member is positioned downward, the weight of the branching device is reduced because the locking hook portion is hooked into the locking hole. It can be received by the stopping hook part, and can be prevented from sliding down. Also, for example, even when the branching device is fixed from below the laid bus duct, a certain amount of the weight of the branching device can be received by the locking hook by hooking the locking hook in the locking hole. Is possible. Therefore, the work of attaching the branching device can be performed more easily and reliably.

Further, a fixing hook urged inward from left and right by a spring member is provided near the rear end of the mounting surface, and the fixing hook is engaged to fix the branching device. Can be installed with
The installation work of the branching device can be performed more easily.

[0016] Further, the configuration in which a part of the fixed hook protrudes from the leg piece in a plane substantially perpendicular to the biasing direction of the fixed hook can be easily achieved by, for example, moving the fixed hook projecting downward outward by hand or the like. The branching device can be removed. In addition, since the removal work can be performed without using a tool or the like at the time of removal and without changing the spring force of the spring related to the fixing hook, the adjustment of the spring force of the spring member when newly installing the spring can be performed. It can be installed with one touch without having to do.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A specific embodiment of the branching device of the present invention will be described below based on an embodiment shown in the drawings. 1 to 3 show a branching device according to a first embodiment of the present invention. FIG. 1 is a diagram showing a branching device according to the first embodiment. FIG. 2 is a diagram showing a locking member in the branching device. 3 is a view showing a fixing member in the branching device.

As shown in FIG. 1, the branching device 1 has a box shape, and a box 2 has a side wall 2b, a front wall 2c, and a rear wall 2d, which are peripheral walls, standing upright from a bottom surface 2a. An openable / closable lid 2e is provided. A locking member 3 is provided at a substantially front end of the bottom surface 2a of the box, and a fixing member 4 is provided at a substantially rear end of the bottom surface 2a of the box. Is provided with a branch terminal 5. A terminal block 6 for fixing the branch terminal 5 is provided in the box 2.
, A breaker 7, and a flexible conductive wire 8 for electrically connecting the terminal block 6 and the breaker 7 are provided. Although not shown in the drawing, the flexible conductive wire 8 is connected to the outside of the box 2 via the breaker 7. Power supply.

The locking member 3 has a shape shown in FIG. 2 and has a flat base 31 and locking pieces 32, 32 formed by bending both ends of the base 31 at substantially right angles. The base portion 31 is fixed to the bottom surface 2a of the box body using a fastener such as a U-shaped metal fitting, and the locking pieces 32 extend downward in the fixed state. The front side of the locking piece 32 extends downward from the front side 31a of the base 31, and a locking hook 32a is formed on the front side of the locking piece so as to bend forward and project. 2 (b) and 2 (d), an inclined side 32b inclined obliquely downward to the right from the tip of the locking hook 32a.
Are formed. From the lowermost end of the inclined side 32b on the front side of the locking piece, a bottom side 32c extends rearward in parallel with the longitudinal direction of the base 31 in FIGS. 2B and 2D. From the rear end of the bottom side 32c, a support side 32d extends substantially perpendicularly upward as a locking piece rear side, and a substantially arc-shaped guide side 32e bulging rearward extends from the upper end of the support side 32d, From the upper end of the guide side 32e, a box support side 32f extends rearward in parallel with the longitudinal direction of the base 31 in FIGS. 2B and 2D, and extends upward from the rear end of the box support side 32f. And extends substantially perpendicularly to the rear side 31b of the base 31.

As shown in FIG. 2C, the locking member 3 has a shape in which a locking hook 32a projects forward from the base 31 when viewed from above the base 31. As shown in FIG. 1, the locking member 3 is fixed to the front bottom surface 2 a of the box 2 at a position where a part of the base 31 protrudes from the box front wall 2 c. Therefore, at the time of mounting work to the bus duct described later, the mounting work can be performed while visually checking the locking holes and the locking pieces 32 of the bus duct, so that the mounting work can be easily performed by one person. Has become.

The fixing member 4 has a bottom surface 2 a on the rear side of the box 2.
3 and has a substantially U-shaped cross section as shown in FIG. 3, and has a flat base 41 and leg pieces 42 projecting downward from both side ends of the base 41. 41 is configured to be fixed to the box body bottom surface 2a with a fastener or the like. Bolts 43 are inserted through the leg pieces 42 from both inner side surfaces thereof outwardly.
A fixed hook 44 and a spring member 45 are fitted on a shaft portion located on the outside, and a nut 46 is screwed to a substantially end of the bolt 43 while the spring member 45 is compressed.
A fixed hook 44 and a compressed spring member 45 having a predetermined urging force are interposed between the outer surface of the nut and the nut 46.

The fixed hook 44 is configured to be able to move slightly outward by applying an outward force from the leg piece 42 by the elasticity of the spring member 45, and when there is no outward force or when the outward force is removed. In this case, a force for constantly biasing the fixed hook 44 in the direction of the leg 42 is applied to the fixed hook 44 by the spring member 45 having a predetermined biasing force. Will be moved into contact. In addition, a sleeve may be inserted into the bolt 43 as a positioning member for tightening the nut 46, so that the nut can be more easily positioned by the sleeve and the elastic force of the spring member 45 can be adjusted by the positioning.

The fixing hook 44 of the fixing member 4 has a shape as shown in FIG.
And a bent piece 442 formed by bending both side edges of the base surface 441 inward at substantially right angles. An upper fixing piece 442a and a lower fixing piece 442b are formed on the bent piece 442 at predetermined intervals in parallel with the longitudinal direction of the base 41, and the upper fixing piece 442a and the lower fixing piece 44 are formed.
The upper and lower ends of the second reinforcing portion of the bus duct to be fixed, which will be described later, are supported between the lower fixing pieces 442.
an inclined side 442 inclined downward and outward from the tip of b
c is formed, and the second reinforcing portion is guided between the upper fixing piece 442a and the lower fixing piece 442b by the inclined side 442c.

The upper fixing piece 442a is formed to have a predetermined width in the longitudinal direction of the leg 42, and a space can be formed between the bottom surface 2a of the branching device 1 and the upper surface of the bus duct by the predetermined width. In the space, for example, a part of a fastener such as a bolt head for fixing the bases 31 and 41 of the locking member 3 and the fixing member 4 and the bottom surface 2a of the branching device 1 can be interposed. It is a structure which can prevent that it is damaged beforehand. Similarly, the convex portion 2 made of an elastic body for forming the space portion is also provided on the bottom surface 2a of the branching device 1.
f is provided.

Further, the bent piece 442 of the fixed hook 44 is formed longer than the leg piece 42, and the bottom side 442 d which is the lowermost edge of the fixed hook 44 is lower than the bottom side 42 a which is the lowermost edge of the leg piece 42. FIG.
In the side view shown in (b), the leg piece 42 is completely hidden by the bent piece 442 of the fixed hook 44. With the above-described configuration, it is possible to easily move the fixed hook 44 by applying an outward force to the bottom side 442d of the fixed hook 44 with a hand or the like, and to remove the fixing member 4 from the bus duct. Branching device 1 from the state
It is possible to improve the easiness of the work of removing the pallet.

Next, a case where the branching device 1 is attached to a bus duct will be described. FIG. 4 is a side view showing the separated state of the branching device and the bus duct of the first embodiment, FIG. 5 is a side view showing the locking member inserted state of the branching device, and FIG. 6 is a side view showing the mounted state of the branching device. 7, FIG. 7 is a partial cross-sectional front view showing a separated state of the fixing member and the bus duct, FIG. 8 is a partial cross-sectional front view showing a stage before fixing of the fixing member of FIG. 7, and FIG.
FIG. 5 is a partial cross-sectional front view showing a fixed state of the fixing member of FIG.

The bus duct 10 of the present embodiment in which the branching device 1 is mounted has a configuration in which the bus duct units 11 to be connected to each other are connected to each other via a separate connection unit 12, and the bus duct unit 11 is coated with an insulating material. Three-phase insulated conductors 111 are juxtaposed.
Pipe spacers 112 each having a substantially rectangular shape in a plan view are arranged on both sides in the width direction of the device, and the insulated conductor 111 and the pipe spacers 112 are collectively held by side plates 113 having a substantially U-shaped cross section and inserted into the side plates 113. Fastening tools such as bolts 114a and nuts 114b are tightened and fixed. At both upper and lower edges of the side plate 113, first reinforcing portions 113a are extended outward at substantially right angles from the insulated insulated conductor 111, and the edges of the first reinforcing portions face each other. The second reinforcing portion 113b extends substantially at a right angle in the corresponding direction, and maintains the strength of the bus duct unit 11 and the bus duct 10 itself.

The connection unit 12 (see FIG. 17) includes the in-phase conductors 11 of the bus duct units 11 to be connected.
A conductive connecting member 121 for electrically connecting between the first and the first 111.
And a different-phase conductor 111.1 including a conductive connection member 121
11 and the outermost conductor 1 including the conductive connecting member 121
Insulating separator 12 that insulates the connection side 11 from the connection side plate 123
2, a connection side plate 123 for sandwiching them from the outside, and a pressing member 124 disposed outside the connection side plate 123, and a fastener 126 formed by inserting these through an insulating sleeve 125. Tighten the bus duct unit 11
11 are connected to each other.
26 is in a state of being temporarily fastened.

The bus duct unit 1 is connected to the connection unit 12.
When the bus duct 10 is formed by connecting the bus ducts 1 and 11, the ends of the conductors 111 and 111 of the bus duct 11 and 11 to be connected are inserted between the in-phase conductive connecting members 121 and 121.
The bus duct side plate 113 and the connection side plate 123 are fixed with fasteners such as bolts and nuts. Thereafter, the temporarily fastened fasteners 126 are tightened, and further, the connection upper and lower plates 127. The connection between the bus ducts 11 and 11 is completed by arranging the 127 and fixing it to the bus ducts 11 and 11 with screws or the like and closing the open surface. In addition, at least the connection upper and lower plates 127 on the mounting side of the branching device 1.
6, a locking hole 127a of the locking piece 32 is provided as shown in FIG.
And an insertion hole 127b of the branch terminal 5 is formed.

When branching from the bus duct 10, as shown in FIG. 4, the branching device 1 is arranged near the connection unit 12, and as shown in FIG. The locking piece 32 of the locking member 3 is inserted into a locking hole 127 a provided in the locking member 127. In the insertion work,
The box 2 itself is inserted in an inclined state, and is inserted so that the locking hook 32a of the locking piece 32 is hooked on the edge of the locking hole 127a. With the locking hook 32a hooked to the edge of the locking hole 127a, as shown in FIG. 6, the inclined box 2 is moved to the locking hook 32a and the locking hole 12a.
It turns around the edge of 7a to the state where it is attached to the bus duct 10, and in this state, it is fixed by the fixing member 4 with one touch. The locking piece 32 inserted into the locking hole 127a has the locking hole 127a formed so as to be located outside the connection side plate 123, and thus does not affect the energization of the bus duct 10.

In the fixing by the fixing member 4, as shown in FIG. 7, before the fixing member 4 is fixed, the fixing hook 4 is fixed.
4 and the leg piece 42 are in contact with each other. Then, as shown in FIG. 8, before the fixing member 4 is fixed, the vicinity of the bent portion from the first reinforcing portion 113a to the second reinforcing portion 113b of the bus duct unit 11 or the second reinforcing portion 11
3b urges the inclined side 442c of the fixed hook 44, a force for pushing the fixed hook 44 outward is gradually applied, and the fixed hook 44 gradually moves outward. Then, as shown in FIG. 9, when the lower fixing piece 442b of the fixing hook 44 is located below the lower edge of the second reinforcing portion 113b, the force for urging the fixing hook outward is lost and the fixing is performed. Hook 4
4 moves in the direction of the leg piece 42.

By the movement, the second reinforcing portion 113b is positioned between the upper fixing piece 442a and the lower fixing piece 442b of the fixing hook 44 having a size slightly larger than the height of the second reinforcing portion 113b. The upward movement of the box 2 is restrained by the engagement between the second reinforcing portion 113b and the lower fixing piece 442b, and the box 2 of the branching device 1 is fixed to the bus duct 10.

With the branching device 1 fixed and attached to the bus duct 10 as described above, the branching terminal 5 of the branching device 1 is
Is inserted through an insertion hole 127b through which the terminal 5 provided in the connection upper and lower plate 127 is inserted, and is inserted between the in-phase conductive connection members 121 of the connection unit 12 of the bus duct 10, and the branch terminal 5 Conductor 111 of bus duct 10
Are electrically connected (not shown).

With the above configuration, the operation of attaching the branching device 1 to the bus duct 10 can be easily performed, for example, the branching device 1 can be attached with a smaller force utilizing the principle of leverage. Further, the fixing member 4 is the second reinforcing portion 1
The configuration that abuts the branching device 13b makes it possible to securely fix the branching device 1 with one touch without using a tool, thereby making it possible to further facilitate the mounting operation.

Further, as shown in FIG. 9, since the bottom side 442f of the fixed hook 44 is formed below the bottom side 42a of the leg piece 42, a hand or the like is inserted from the bottom side 442f to the fixed hook 44. By applying force outward,
By moving the fixing hook 44 outward, the lower fixing piece 442b fixing the branching device 1 and the lower end edge of the second reinforcing portion 113b can be separated, so that the detachment can be easily performed. The removal operation can be easily performed without using a tool, and there is no need to change the elasticity of the spring member 45 in the removal operation. Then, for example, even when branching is performed by the branching device 1 removed at another place, since the adjustment of the elasticity of the spring member 45 is not changed, the spring member 45 can be easily attached without adjustment. it can.

With respect to the bus duct 10 and the branching device 1 having the above-described configuration, for example, when the branching device 1 is mounted on the vertically supported bus duct 10 in a direction in which the locking member 3 is positioned upward, as shown in FIGS. In addition, it is possible to prevent the branching device 1 from sliding down. That is, when inserting the locking piece 32 of the locking member 3 into the locking hole 127a of the bus duct 10, the branching device 1 itself is inserted in an inclined state as described above. By this insertion, the locking hook 32a can be engaged with the upper edge of the locking hole 127a, and furthermore, the support side 32d and the guide side 32e provided below the locking piece 32 are provided.
Is placed on the lower edge of the locking hole 127a, so that the branching device 1 can be prevented from sliding down from the bus duct. Therefore, the horizontally laid bus duct 1
0, as in the case of attaching the branching device 1 to the branching device 1.
Even if it is heavy, the subsequent mounting work can be performed with one touch only by inserting the locking piece 32,
The work of attaching the branching device 1 can be greatly facilitated.

The first embodiment of the branching device 1 according to the present invention has been described above. However, the present invention is not limited to the above-described embodiment, and the following extensions and modifications can be made.

For example, in the first embodiment, the bottom 2
1A shows an example in which the locking member 3 is fixedly provided at a position protruding from the front wall 2c in the front direction of FIG. 3A, but is not limited thereto. As shown in FIG. 12, the locking member 3 may be provided at a position protruding from the side walls 2b. As shown in FIG. 13, the locking member 3 is fixed to the side wall 2b instead of the bottom surface 2a. The position may be any position as long as it is visible at the time of mounting work. The locking member 3 shown in FIG.
Is a base 31 ', and the base 31' is fixed to the side wall 2b of the branching device 1 with a fastener or the like.

Further, the shapes and configurations of the locking member 3, the locking pieces 32 thereof, the fixing member 4, the fixing hooks 44, and the like are not limited to the above-described embodiment. For example, the locking member 3 such as a locking piece 32 having a protruding locking hook portion 32a may be a locking member 3 having various shapes as illustrated in FIG. Preferably, the locking member 3 includes at least a locking hook portion 32a, a support side 32d, and a guide side 3d.
Any configuration having 2e is acceptable. Also, the shape of the fixing member 4 is shown in FIG. 15 and FIG. 1, such as a shape in which a part of the tip of the bent piece 442 is cut out in a substantially semicircular shape or a shape having an inclined side.
6, it is preferable that a part of the bottom side 442f of the fixing hook 44 is provided at a position protruding below the bottom side 42a of the leg piece 42. Good.

Further, the shape and size of the branching device 1 and the box 2
The internal structure, the structure of the bus duct 10, the structure of the bus duct unit 11 and the connection unit 12, and the like are not limited to the above-described embodiment, and the branching point is not limited to the upper part of the connection unit 12 of the above-described embodiment. . In addition, the branching device 1 can also cope with a bus duct 10 having no connection unit 12 and having a configuration in which conductors 111 and 111 ends of the bus duct units 11 and 11 to be connected are overlapped with each other and connected by a fastener. In this case, the branching device 1 is attached to one or two or more of the bus duct units 11. Further, the branching device of the present invention can be applied to an air-insulated bus duct in which conductors are separated from each other by a predetermined distance and insulated with air instead of the insulated bus duct 10.

In the above embodiment, the locking holes 127a are provided in the connecting upper and lower plates 127 of the connecting unit 12 of the bus duct 10. However, when branching is performed by the bus duct unit 11, the first reinforcing portion 113a is provided. It is possible to cope by opening the locking hole of the locking member 3.

Further, the fixing portion of the fixing member 4 is not limited to the above embodiment, and the fixing member 4 may be fixed on the connection unit 12, for example, formed on the bus duct side plate 113 as shown in FIG. Instead of the second reinforcing portion 113b,
Fixed hooks 44 are attached to the upper and lower edges of the connection upper and lower plates 127 which are bent.
The upper fixing piece 442a and the lower fixing piece 442b may be contacted and fixed. When the fixing member 4 is fixed to the connection unit 12, for example, the connection unit 1
2 may be long, the branching device 1 may be short, or a branch may be taken by the bus duct unit 11 other than the connection unit 12.

[0043]

By using the branching device of the present invention, it is possible to easily and surely perform the attaching and detaching operations, and to dramatically reduce the labor required for such operations. To play. For example, mounting and dismounting operations can be performed with one touch without using tools, and there is almost no need to support the weight of the branching device when installing and dismounting the branching device. The work can be easily performed with a small number of personnel.

[Brief description of the drawings]

FIG. 1A is a plan view showing a branching device according to a first embodiment of the present invention. (B) The side view which shows the branching device of 1st Example.

FIG. 2A is a front view of a locking member in the branching device according to the first embodiment. (B) A right side view of the locking member of FIG. (C) The top view of the locking member of FIG. (D) A sectional view of the locking member of FIG.

FIG. 3 (a) is a partial cross-sectional front view of a fixing member in the branching device of the first embodiment. (B) A right side view of the fixing member of FIG. (C) A plan view of the fixing member of FIG. (D) A sectional front view showing a fixing hook of the fixing member of FIG. (E) A sectional right side view showing a fixing hook of the fixing member in FIG.

FIG. 4 is a side view showing a separation state of the branch device and the bus duct of the first embodiment.

FIG. 5 is a side view showing a state in which the locking member of the branch device and the bus duct of the first embodiment is inserted.

FIG. 6 is a side view showing an attachment state of the branching device and the bus duct of the first embodiment.

FIG. 7 is a partial cross-sectional front view showing a separated state of a fixing member and a bus duct in the branching device of the first embodiment.

FIG. 8 is a partial cross-sectional front view showing a stage before fixing the fixing member and the bus duct in the branching device of the first embodiment.

FIG. 9 is a partial cross-sectional front view showing a fixing state of a fixing member and a bus duct in the branching device of the first embodiment.

FIG. 10 is a side view showing a state where the locking member is inserted between the branching device of the first embodiment and a bus duct vertically laid.

FIG. 11 is an enlarged side view of the locking member insertion point in FIG. 10;

FIG. 12A is a plan view showing a branching device according to a second embodiment. (B) The side view which shows the branching device of 2nd Example.

FIG. 13A is a plan view showing a branching device according to a third embodiment. (B) The side view which shows the branching device of 3rd Example.

FIG. 14A is a side view showing a first modification of the locking member. (B) A side view showing a 2nd modification of a locking member. (C) A side view showing a third modification of the locking member. (D) A side view showing a fourth modification of the locking member.

FIG. 15A is a partial cross-sectional front view showing a first modification of the fixing member. (B) Right side view showing a first modification of the fixing member.

FIG. 16A is a partial cross-sectional front view showing a second modification of the fixing member. (B) Right side view showing a second modification of the fixing member.

FIG. 17 is a partial cross-sectional front view showing a fixed state of a connection unit between the fixing member and the bus duct in the branching device of the first embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Branching device 2 Box 3 Locking member 31, 31 'Base 32 Locking piece 32a Locking hook 32b Inclined side 32d Supporting side 32e Guide side 4 Fixed member 41 Base 42 Leg piece 44 Fixed hook 442a Upper fixed piece 442b Lower fixing piece 45 Spring member 5 Branch terminal 10 Bus duct 11 Bus duct unit 113b Second reinforcing part 12 Connection unit 127 Connection upper and lower plate 127a Lock hole

Claims (4)

[Claims] A bus duct has a box, a branch terminal protruding from a mounting surface of the box, and a locking member provided substantially near a front end of the mounting surface. A branching device which is inserted while rotating around the locking member, wherein at least a part of the locking member is in the box body when viewed in a vertical direction of the mounting surface. A branching device provided at a position protruding from an outer periphery. 2. The locking member has a locking hook portion protrudingly formed on a front side of the locking member so as to be hooked to the locking hole, and extends at a substantially distal end of a rear side thereof in a direction substantially perpendicular to the mounting surface. The branching device according to claim 1, wherein a support side is formed, and a substantially arc-shaped convex guide side is formed at a substantially rear end of the rear side. 3. A fixed hook urged inward from left and right by a spring member is provided substantially near the rear end of the mounting surface,
3. The branching device according to claim 1, wherein the fixing hook is engaged to be fixed to the bus duct. 4. A leg piece protrudingly provided substantially near a rear end of the mounting surface, and the spring member is supported outside the leg piece.
The fixing hook is configured to be urged inward by the spring member on the outside of the leg, and a part of the fixing hook projects from the leg on a plane substantially perpendicular to the urging direction. The branching device according to claim 3, characterized in that: