JP3414243B2 - Connection conversion adapter - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection conversion adapter which is plugged into a conductive bar and screwed to an electric device such as a circuit breaker or a magnet.

[0002]

2. Description of the Related Art Generally, electric devices such as circuit breakers and magnets are of a screw-fastening type, and branch circuit breakers and magnets are connected to a main conductive bar connected to a main circuit breaker. In this case, the branch conductive bar is interposed between the main conductive bar and the branch circuit breaker or magnet, and each of them is screwed and connected.

[0003]

However, there is a problem in that the conductive bar for branching is screwed in two places, and the work of connecting the electric bar and the electric equipment such as the circuit breaker and the magnet is troublesome. It was Therefore, connect a conductive material formed in the shape of a receiving blade to the terminal screw of electric equipment such as a circuit breaker or magnet, insert a conductive bar into the receiving blade of this conductive material, connect it, and then attach it to the electrical equipment. The cover is used to close the connection part of the conductive material with the electric device and the connection part with the conductive bar.

However, since the conductive material and the cover are separate bodies and both are attached to the electric device, there is a problem that the work of attaching and detaching the conductive material and the cover to the electric device is troublesome. Therefore, an object of the present invention is to provide a connection conversion adapter that can facilitate the work of connecting an electric device and a conductive bar and improve the workability of connecting the electric device.

[0005]

According to another aspect of the present invention, there is provided a connection conversion adapter in which a conductive bar connecting portion for inserting and connecting to a conductive bar is formed on one end side and is connected to a terminal of an electric device. A conductive connecting member having a portion formed on the other end side, and a through hole for interconnecting the conductive bar connecting portion and the conductive bar of the conductive connecting member, and the electrical device connection of the conductive connecting member. And a case in which the conductive connecting member is positioned and accommodated by forming a through portion for connecting an electric device for inserting the portion to the outside, the case
Has multiple inserts for multiple conductive bars of different heights.
It has a groove and an opening on the side opposite to the insertion groove.
At least one of the bottoms of the insertion grooves communicates with the opening.
For connecting the first case with a through hole to the electric device
It has a through portion and is attached to the opening side of the first case,
A second case that closes the opening of the first case.
It

According to the connection conversion adapter of the first aspect, it is possible to facilitate the work of connecting the electric bar and the electric equipment such as the circuit breaker and the magnet. Further, since the conductive connecting member can be attached to and detached from the terminal of the electric device while being positioned and housed in the case, the workability of connecting with the electric device is improved. Also, conductive to any of the multiple insertion grooves
The position of the conductive bar connection of the flexible connection member.
Of the electrical equipment even if the rated voltage is different.
Parts can be standardized.

[0007] 請 Motomeko 2 connection adapter according resides in that in Claim 1, wherein the conductive connection member, the conductive bar connecting portion from said conductive bar connecting portion side is formed by bending the electrical equipment connection portion And a connecting portion between the electric device connecting portions is abutted along the inner surface of the second case, and an abutting portion protruding on one side is brought into contact with the inner surface of the first case,
The conductive connecting member is positioned and stored in the first case and the second case.

According to the connection conversion adapter of the second aspect, in addition to the same effect as the first aspect , when the conductive bar connecting portion of the conductive connecting member and the conductive bar are inserted and connected,
Since the connecting portion comes into contact with the inner surface of the second case and acts as a stopper and a stopper for the conductive connecting member, the conductive connecting member is less likely to be deformed. Further, the retaining structure for the conductive connecting member can be simplified.

According to a third aspect of the present invention, there is provided a connection conversion adapter according to the first or second aspect , wherein one of the first case and the second case is attached to the other side. is there. According to the connection adapter according to claim 3, wherein, in addition to the same effects as claim 1 or claim 2, for fitting the first casing to the second casing or fitting the second case the first case, the side walls Is doubled, so
When the circuit breakers are arranged side by side, the insulation between the conductive connecting members of the circuit breakers is improved.

A connection conversion adapter according to a fourth aspect of the present invention is the connection conversion adapter according to the third aspect , wherein engaging portions are provided above and below an inner surface of the first case and the second case, respectively, on the side where the first and second cases are fitted. The hooking portion for stopping is formed on the fitting side of the first case and the second case. According to the connection conversion adapter of the fourth aspect , in addition to the same effect as the third aspect , since the locking portion is formed on the inner surface of the first case or the second case, the first case and the second case are once provided. It becomes difficult to disengage when combined with, for example, a circuit breaker when the conductive connecting member arranged between the cases is popped out of each case and the conductive connecting member is returned to a position different from the original position. It is possible to prevent damage due to the difference in rated voltage.

A connection conversion adapter according to a fifth aspect of the present invention is the connection conversion adapter according to the fourth aspect , wherein each of the locking portions is divided into two by a vertical wall.
The hook portion is formed into a bifurcated shape so that the vertical wall can be inserted therein, and jig insertion holes that communicate from the locking portion to the outer surface of the case are provided respectively. According to the connection conversion adapter of the fifth aspect , in addition to the same effect as that of the fourth aspect , the locking portion is divided into two by the vertical wall and the hooking portion is formed into a bifurcated shape, and the locking portion is connected to the outer surface of the case. Since the jig insertion holes communicate with each other, it is possible to remove the hook portion that is hooked to the locking portion by inserting a dedicated jig into the jig insertion hole, and thereby remove the first case and the second case. Therefore, it is possible to easily change the arrangement position of the conductive connecting member on the manufacturing side.

[0012] The connection adapter of claim 6, wherein
In claim 1, claim 2, claim 3, claim 4, or claim 5 , a horizontal partition wall that separates at least two conductive bar connecting portions facing the plurality of insertion grooves of the first case is provided, and the insertion is performed. Providing a vertical partition extending across the insertion groove in the direction intersecting the groove and extending toward the opening side of the horizontal partition,
An engaging partition for engaging a vertical partition is provided in the second case, and the conductive connecting member is provided in a space partitioned by a horizontal partition of the first case, a vertical partition, and an engaging partition of the second case. They are arranged respectively.

According to the connection conversion adapter of claim 6 , claim 1, claim 2, claim 3, claim 4 or contract.
In addition to the effect similar to the requirement 5 , the insulating property of each pole of the conductive connecting member is improved. The connection conversion adapter according to claim 7 ,
7. The plurality of conductive bar connecting portions according to claim 6 , wherein the plurality of conductive bar connecting portions are divided into a plurality of spaces partitioned by a horizontal partition wall, a vertical partition wall of the first case, and the engaging partition wall of the second case, and the plurality of conductive bar connection parts are diagonally inclined to each other. It is arranged in the space where it is located.

According to the connection conversion adapter of the seventh aspect , the insulation distance between the respective poles can be increased more than the effect of the sixth aspect. The connection conversion adapter according to claim 8 is the connection conversion adapter according to claim 1.
In the above, the mounting portion of the insulating plate is provided between the insertion grooves of the first case to isolate the conductive bar that is inserted and connected to the conductive bar connecting portion.

According to the connection conversion adapter of the eighth aspect , in addition to the same effect as the first aspect , the insulating plate can be attached, so that the interval between the conductive bars can be narrowed and the size can be reduced. . Connection adapter according to claim 9, in claim 1, wherein the second case is in contact with the end face of the electrical device, the electrical device the corresponding exhaust hole formed in an end face the second case the electrical equipment A gas escape path that escapes to the mounting surface side is provided as a recess, and the first case and the second case
At least a part of the case is separated from the electric device mounting surface for a predetermined period.

According to the connection conversion adapter of the ninth aspect , in addition to the effect of the first aspect , the gas generated when the circuit breaker is forcibly opened is arranged in parallel with the circuit breaker. However, it can be discharged to the outside through the gas escape path from between the circuit breaker mounting surface and the first case or the second case. A connection conversion adapter according to a tenth aspect of the present invention is the connection conversion adapter according to the first aspect , wherein the first case or the second case is provided with a mounting portion of a terminal cover that closes an upper surface side of a screw type terminal of the electric device. .

According to the connection conversion adapter of the tenth aspect , in addition to the effect similar to that of the first aspect , the terminal of the electric device can be easily closed. Connection adapter according to claim 11, wherein, in the first aspect, in the first case or the second case, the terminal cover part for closing a top side of the screw terminals of the electric device provided on the terminal cover part The tool insertion hole is formed so as to be closed after the electrical equipment connection portion of the conductive connection member is connected to the screw type terminal of the electrical equipment by a tool.

According to the connection conversion adapter of the eleventh aspect, the same effect as that of the tenth aspect can be obtained. According to a twelfth aspect of the present invention, in the connection conversion adapter according to the eleventh aspect , the tool insertion hole is formed as a long hole having a long direction in which the electric device connecting portion of the conductive connecting member is inserted into the screw type terminal of the electric device. There is something.

According to the connection conversion adapter of the twelfth aspect , in addition to the same effect as the eleventh aspect , after the tip of the tool is inserted from the tool insertion hole of the terminal cover part to loosen the terminal screw of the electric device, The electric device connecting portion of the conductive connecting member can be moved to the terminal side as it is and the screw can be tightened, so that automatic assembly to the electric device can be easily performed.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described with reference to FIGS. That is, this connection conversion adapter is connected as an electric device to, for example, the terminal 10 of the circuit breaker 9, and includes the first case 1 and the second case.
It has a case 2 and a conductive connecting member 3.

The first case 1 has a plurality of insertion grooves 5 into which a plurality of conductive bars 4 having different heights are respectively inserted, and the insertion grooves 5 are provided.
An opening 6 is provided on the side opposite to the opening, and a through hole 21 communicating with the opening 6 is formed at the bottom of the insertion groove 5. In the embodiment, the rectangular shape is a box shape with one side open, and the insertion groove 5 is formed on the outer surface of the outer wall 30 which is the inner wall of the opening 6. Locking portions 13 are provided on the inner surfaces of both end walls in the longitudinal direction of the first case 1, that is, the inner surfaces of the upper wall 31 and the lower wall 32 of FIG. These locking portions 13 are divided into two by a vertical wall 14 standing on the inner surfaces of the upper wall 31 and the lower wall 32.
To the upper wall 30 and the lower wall 32 to communicate with the outer surface of the outer wall 30 of the case, respectively.
Further, a horizontal partition wall 16 is provided on the inner surface of the outer wall 30 between the insertion grooves 5 for separating the receiving blades 8 facing the insertion grooves 5 of the first case 1, and each insertion groove is formed in a direction intersecting with the insertion grooves 5. A vertical partition wall 17 is formed continuously with the vertical partition wall 14 so as to extend over the horizontal partition wall 5 and extend toward the opening 6 side of the horizontal partition wall 16. Further, between the insertion grooves 5 of the first case 1, the mounting portion 22 of the insulating plate 18 for isolating the conductive bar 4 inserted into each insertion groove 5,
It is provided by forming a groove for inserting the insulating plate 18 on the outer surface of the horizontal partition wall 16. As shown in FIG. 2, 19 is a terminal cover portion that covers the upper surface of the screw type terminal 10 of the circuit breaker 9 and is integrally provided in the first case 1. Reference numeral 20 is a tool insertion hole for operating a terminal, 35 is a separating plate that covers the upper cutout 36 of the terminal 10 of the circuit breaker 9, so that it is continuous with the side of the terminal cover 19 and the side of the first case 1. It is provided integrally with.

The second case 2 has a circuit breaker connecting through portion 7, and is attached to the opening 6 side of the first case 1 to close the opening 6 of the first case 1. In the embodiment, similar to the first case 1, the second case is fitted in the first case 1 so that the second case is attached to the first case 1 in a size that fits in the first case 1. At the opening edge of the side wall of the end portion, a hooking portion 23 is formed to extend so as to prevent the locking portion 13 of the first case 1 from being pulled out and locked. These hooks 23 are the first case 1
A taper surface 24 is formed on the hook portion 23 so that the hook portion 23 can be disengaged from the locking portion 13 by inserting and pushing the jig from the jig insertion hole 15. In addition, each hook 23
The vertical wall 1 when the second case 2 is fitted to the first case 1.
4 is formed in a bifurcated shape so as to form a gap into which the vertical partition 17 is inserted, and the second case 2 is provided with an engaging partition 25 that engages with the vertical partition 17. The engagement partition wall 25 is composed of two vertical plates which are integrated with the hooking portion 23 between the hooking portions 23 with a gap 25a communicating between the hooking portions 23 having a bifurcated shape. Conductive connection member 3 in place
Guide grooves 28 and 29 are formed. In addition, the guide grooves 28, 2 on the bottom wall, which is the inner wall facing the opening of the second case 2,
A slit-shaped circuit breaker connecting through portion 7 is formed opposite to 9. Assembling is performed by inserting the opening side of the second case 2 from the opening side of the first case 1, fitting the vertical partition wall 17 between the forked hook portion 23 and the engaging partition wall 25, and engaging the hook portion 23 with the locking portion 13. When you get over it and hook it, it will be in a connected state. When removing, the jig is inserted into the jig insertion hole 15 and the tapered surface 24 of the hook portion 23 is pushed to remove the hook portion 23 from the locking portion 13.

The conductive connecting member 3 is a receiving blade 8 for inserting and connecting the conductive bar 4 inserted from the insertion groove 5 of the first case 1.
Has a circuit breaker connecting portion 11 at one end and is connected to the terminal 10 of the circuit breaker 9 by being inserted from the circuit breaker connecting through portion 7 of the second case 2 to the outside. The blade 8 and the circuit breaker connecting portion 11 are provided with a connecting portion 12 in the middle which forms a step and abuts along the inner surface 2a of the second case 2.
In the embodiment, the pair of conductive connecting members 3 are arranged in the spaces partitioned by the horizontal partition walls 16 and the vertical partition walls 17 of the first case 1 and the engaging partition walls 25 of the second case 2, respectively. The receiving blades 8 are arranged in spaces that are diagonally located to each other among a plurality of spaces partitioned by the horizontal partition wall 16.

As shown in FIG. 9, the conductive connecting member 3 has a long hole 41 in the longitudinal direction formed at the center of a belt-shaped conductive plate 40 in the expanded state, and is folded in half at the center position and folded in half. Z for forming the connecting portion 12 with one end side being
Fold it into a letter shape. In this case, the substantially Z-shaped bent portions 42,
Of the parts 42 ', 43, 43', the bent parts 42, 42 'close to the two-fold part are bent at the same position, but the far part 4'
3 and 43 'are bent at different positions to form a gap 44 between both pieces as shown in FIG. However, the positions of the bent portions of the pair of conductive connecting members 3 are different from each other. The receiving blade 8 is formed by inclining the pieces 50 on the tip side of the bent portions 43, 43 'so as to approach each other, and further bending the tip ends 51 of the pieces in opposite directions to open the legs. There is. Further, a reinforcing spring 47 having a U-shaped gripping piece 46 is fitted to this tip portion. On the other hand, the two-folded portion is folded in two to form a bifurcated circuit breaker connecting portion 11, and one side edge thereof has the guide grooves 28, 2 of the second case 2.
A protrusion 49 that engages with 9 is provided. Further, in order to position the conductive connecting member 3, a positioning protrusion 53, which is an abutting portion, is provided on a side portion of the piece 50, and positioning portions 54 and 55 are provided to the reinforcing spring 47 for positioning the reinforcing spring 47. The positioning protrusion 53 and the positioning portions 54 and 5
As shown in FIGS. 1, 6 and 8, the receiving portion 56 for receiving the first casing 1 in the first case 1 is stepped on the inner surface of the inner end portion of the insertion groove 5 of the first case 1 and on both sides of the vertical partition wall 17. Is formed.

In the assembly, the projection 49 of the circuit breaker connecting portion 11 is guided by the guide grooves 28 and 29, and is passed through the circuit breaker connecting through portion 7 on the bottom wall of the second case 2 to connect the connecting portion 12 to the bottom wall. Abut and support. At this time, the positioning portion 55 of the reinforcing spring 47 and the edge of the U-shaped intermediate piece on the side opposite to the positioning piece 54 are supported by the opening edge of the second case 2, and the tip of the pinching piece 46 slides on the piece 50. And is located at the bent portion of the tip 51. In this state, when the second case 2 is fitted into the first case 1 as described above, the receiving blades 8 are separated from each other by the Z-shaped bending positions of the conductive connecting members 3 as shown in FIG. Positioned diagonally, the positioning protrusion 53 is locked to the receiving portion 56, and the positioning portions 54 and 55 of the reinforcing spring 47 are locked to the receiving portion 56. In this way, the conductive connecting member 3 and the reinforcing spring 47 are Positioned. When the circuit breaker connecting portion 11 is screwed and connected to the terminal 10 through the hole 20 through the screwdriver, the first case 1 and the second case 2 are attached to the circuit breaker 9. Then, when the circuit breaker 9 is installed, the conductive bar 4 is inserted into the receiving blade 8 by pushing the conductive bar 4 and the insulating plate 18 so as to face the insertion groove 5 and the mounting portion 22 of the first case 1. And electrically connected, and the mounting portion 22 is inserted with the insulating plate 18.

The tool insertion hole 20 has a conductive connecting member 3
The circuit breaker connecting portion 11 is connected to the screw type terminal 10 of the circuit breaker 9 with a tool and then closed. Reference numeral 60 is a mounting recess (FIG. 2), 61 is a mounting piece (FIG. 5), and 62 is a base provided with the mounting piece 61 (FIG. 5). According to the present embodiment, the electric receiving bar 8 which is a conductive bar connecting portion to be inserted and connected to the conductive bar 4 is formed at one end side and is connected to the terminal 10 of the circuit breaker 9 which is an electric device. A conductive connecting member 3 having a circuit breaker connecting portion 11 which is a device connecting portion formed on the other end side, and a receiving groove 8 of the conductive connecting member 3 and an insertion groove 5 for interconnecting the conductive bar 4 are formed. At the same time, a case (1) for positioning and storing the conductive connecting member 3 is formed by forming a circuit breaker connecting through portion 7 which is an electric device connecting through portion for inserting the circuit breaker connecting portion 11 of the conductive connecting member 3 to the outside. 2) and are provided. For this reason, it is possible to facilitate the work of connecting the electric circuit bar 9 and the electric device such as the magnet to the conductive bar 4. In addition, the conductive connecting member 3
Since it can be attached to and detached from the terminal 10 of the circuit breaker 9 which is an electric device while being positioned and stored in the case, the workability of connection with the circuit breaker 9 is improved.

The case has a plurality of conductive bars 5 having different heights.
The first case 1 having a plurality of insertion grooves 5 corresponding to the above, an opening 6 on the side opposite to the insertion groove 5, and a through hole 21 communicating with the opening 6 formed in at least one of the bottoms of the insertion grooves 5. And a second case 2 having a circuit breaker connecting through portion 7 which is an electrical device connecting through portion and which is attached to the opening 6 side of the first case 1 and closes the opening 6 of the first case 1. Since it has, it is possible to displace the receiving blade 8 that is the conductive bar connecting portion of the conductive connecting member 3 in any of the plurality of insertion grooves 5, and even if the rated voltage is different, the Parts can be standardized.

The conductive connecting member 3 is formed by bending the side of the receiving blade 8 which is a conductive bar connecting portion from the side of the circuit breaker connecting portion 11 which is an electric device connecting portion, and the electric device connecting portion. The connecting portion 12 between the second case 2 is brought into contact with the inner surface of the second case 2, and the positioning protrusion 53, which is an abutting portion provided on one side, is brought into contact with the inner surface of the first case 1 to make it conductive. The connection member 3 is positioned and stored in the first case 1 and the second case 2. Therefore, when the receiving blade 8 which is the conductive bar connecting portion of the conductive connecting member 3 and the conductive bar 5 are inserted and connected, the connecting portion 12 contacts the inner surface of the second case 2 and the conductive connecting member 3 is removed. Since it functions as a stopper and a stopper, the conductive connecting member 3 is less likely to be deformed. Further, the retaining structure for the conductive connecting member 3 can be simplified.

More specifically, each conductive bar 4 has a first
The conductive bars 4 are inserted from the respective insertion grooves 5 of the case 1
At least one of them is connected to the blade 8 of the conductive connecting member 3, and the circuit breaker connecting portion 11 of the conductive connecting member 3 is connected.
Is connected to the circuit breaker 9 with a screw, the circuit breaker 9
The connection work between the conductive bar 4 and the conductive bar 4 can be facilitated.
Further, since the conductive connecting member 3 is arranged between the first case 1 and the second case 2, the receiving blade 8 of the conductive connecting member 3 is provided.
It is possible to displace the mounting position of the circuit breaker, and even if the rated voltage is different, the parts of the circuit breaker 9 can be shared.
Further, since the conductive connecting member 3 is housed between the first case 1 and the second case 2, the work of housing the conductive connecting member 3 becomes easy. Furthermore, a step is provided between the receiving blade 8 of the conductive connecting member 3 and the circuit breaker connecting portion 11, and the second case 2
Since they are connected by the connecting portion 12 that abuts along the inner surface of the blade, the insertion force when the conductive bar 4 is inserted into the receiving blade 8 is the connecting portion 12.
And it can absorb between the 2nd case 2, and it becomes difficult to transform the conductive connecting member 3.

Since the second case 2 is fitted in the first case 1, the side walls are doubled. Therefore, when the circuit breakers 9 are arranged side by side, the conductive connecting members 3 of the circuit breakers 9 are connected to each other. The insulation is improved. Since the locking portion 13 is formed on the inner surface of the first case 1, once the first case 1 and the second case 2 are combined, it becomes difficult to disengage, and for example, the conductive connecting member 3 disposed between the cases. It is possible to prevent damage due to a difference in the rated voltage of the circuit breaker 9 when the conductive connecting member 3 is returned to a position different from the original position when it pops out of each case.

Since the engaging portion 13 is divided into two by the vertical wall 14 and the hooking portion 23 is formed in a bifurcated shape, and the jig inserting hole 15 communicates from the engaging portion 13 to the outer surface of the case, the jig is formed. By passing a dedicated jig through the insertion hole 15, the hooking portion 23 hooked on the locking portion 13 can be removed, whereby the first case 1 and the second case 2 can be removed, and thus the conductive connecting member. The arrangement position of 3 can be easily changed on the manufacturing side.

A lateral partition wall 16 is provided to isolate at least two receiving blades 8 facing the plurality of insertion grooves 5 of the first case 1, and the lateral partition wall 16 extends across each insertion groove 5 in a direction intersecting the insertion grooves 5. Vertical partition wall 17 formed to extend toward the opening side of the partition wall 16
And the engaging partition 25 that engages with the vertical partition 17 is provided in the second case 2, and the conductive connecting member 3 includes the horizontal partition 16 and the vertical partition 17 of the first case 1 and the engaging partition 25 of the second case 2. Since they are respectively arranged in the spaces partitioned by and, the insulating property of each pole of the conductive connecting member 3 is improved.

A plurality of receiving blades 8 are provided on the horizontal partition wall 1 of the first case 1.
Among the plurality of spaces partitioned by 6, the vertical partition wall 17 and the engaging partition wall 25 of the second case 2, the spaces are arranged in diagonal directions with respect to each other. Earn. Since the mounting portion 22 of the insulating plate 18 that isolates the conductive bar 4 inserted into each of the insertion grooves 5 is provided between the insertion grooves 5 of the first case 1, the insulating plate 18 can be attached. The interval can be narrowed, and the size can be reduced.

A second embodiment of the present invention will be described with reference to FIGS. That is, this connection conversion adapter is the same as that of the second case 2 in the first embodiment.
Contact the end face of the circuit breaker 9 and form a gas escape passage 66 that is formed on the end face of the circuit breaker 9 and that escapes to the bottom in the second case 2 in correspondence with the exhaust hole 65. 2 Case 2 is attached to the circuit breaker mounting surface 62 of the base 62
It is isolated from a for a predetermined time. As a result, the circuit breaker 9
Even if the circuit breaker 9 is installed in parallel with the gas generated when the circuit breaker is forcibly opened, the circuit breaker mounting surface 62a, the first case 1 and the second case 2 are passed through the gas escape passage 66.
It can be discharged to the outside through the gap 77 between them.

Further, the first case 1 is provided with a mounting portion 19a for the terminal cover 19 that covers the upper surface of the terminal 10 of the circuit breaker 9. That is, the terminal cover 19 is formed separately from the first case 1, and the groove 69 is formed on both sides of the upper end of the first case 1.
And the terminal cover 19 is provided with a convex portion 70 that slidably engages with the groove 69. When the protrusion 70 is engaged with the groove 69 and slides along the groove 69, the terminal cover 19 is inserted. This makes it possible to easily close the terminal 10 of the circuit breaker 9.

In the embodiment, the circuit breaker 9 has a single pole, the terminal cover 19 has one jig insertion hole, and the conductive connecting member 3 forms the receiving blade 8 in a bifurcated shape. The circuit breaker connecting portion 11 is one. In this case, the circuit-breaker connecting portion 11 is formed in a quadruple form by stacking two strip-shaped conductive connecting members folded in two, and the connecting portions 12 are made different in length so that the pair of pieces 50 face each other. is doing. The engaging partition wall 25 of the second case 2 has a notch 72 formed in the central portion thereof so that the circuit breaker connecting portion 11 can be inserted therein, and further, the connecting portion 12 is formed at a side portion of the vertical partition wall 17 of the first case 1. The second case 2 can be pressed toward the inner surface 2a. The through hole 21 of the insertion groove 5 is formed only in the insertion groove 5 at the upper end.

The other structure is similar to that of the first embodiment, and the common parts are denoted by the same reference numerals. Assembly is second
The second case 2 is fitted into the first case 1 through the circuit breaker connecting portion 11 of the conductive connecting member 3 in the case 2, and the terminal cover 19 is inserted into the groove 69. When the circuit breaker connecting portion 11 is screwed and attached to the terminal 10 of the circuit breaker 9, the terminal cover 19 hits the side surface of the handle exposed portion 9a of the circuit breaker 9 and is prevented from coming off. Further, one of the mounting recesses 60 at both ends of the circuit breaker 9 is hooked on the mounting piece 75 of the base 62,
A mounting spring 76 in which the other side of the mounting recess 60 is bent in a V shape.
When pressed against, the circuit breaker 9 is attached to the base 62. At this time, the first case and the second case 2 are floated from the mounting surface 62a of the base 62 due to the setting of the dimensional relationship, and a gap 77 communicating with the gas escape passage 66 is formed. The gas can be discharged to the outside.

A third embodiment of the present invention will be described with reference to FIGS. 18 to 22. That is, in the first embodiment, as shown in FIG. 18 corresponding to FIG. 2, the tool insertion hole 20 has the circuit breaker connecting portion 11 which is the electric device connecting portion of the conductive connecting member 3 in the electric device. The circuit breaker 9 is formed in a long hole in which the screw terminal 10 is inserted in a long direction. The long hole includes a substantially elliptical shape.

19 and 20 show a state in which the connection conversion adapter is connected to the circuit breaker 9. That is, with the screw of the terminal 10 loosened, the circuit breaker connecting portion 1
The first case 1 is gripped so that 1 approaches the lower side of the screw head, and approaches the circuit breaker 9. At this time, as shown in FIG. 20, the screw head of the terminal 10 can be seen from the end of the tool insertion hole 20 formed by the elongated hole. Then, as shown in FIG. 19, the tip of the tool 80 is engaged with the terminal 10 through the tool insertion hole 20.

21 and 22 show a state in which the first case 1 is further brought close to the circuit breaker 9 so that the circuit breaker connecting portion 11 is inserted below the screw head. At this time, the tool 80 is located at the opposite end of the tool insertion hole 20 which is a long hole. In this state, the tool 80 is rotated and the terminal 10 is screwed to complete the connection. Others are the same as those in the first embodiment, the common parts are denoted by the same reference numerals, and the description thereof will be omitted.

According to this embodiment, the terminal cover 19
After inserting the tip of the tool 80 from the tool insertion hole 20 and loosening the screw of the terminal 10 of the circuit breaker 9 which is an electric device, the circuit breaker connection part which is an electric device connection part of the conductive connecting member 3 Since 11 can be moved to the terminal 10 side and the screw can be tightened, automatic assembly to the circuit breaker 9 which is an electric device can be easily performed.

In the present invention, the jig insertion hole 15
It is possible to make the dedicated jig to be inserted into the user unusable. Further, although the second case 2 is attached in the first case 1 in a fitted state, the size may be determined in relation to the first case 1 in the second case 2. In this case, the locking portion 13 is provided on the inner surface of the second case 2, and the hooking portion 23 is provided on the first case 1.

Further, in the first embodiment, when there is an exhaust hole on the side of the side of the circuit breaker 9 where the terminal 10 is located on the mounting surface side, the second case 2 will not come into close contact with the side wall of the circuit breaker 9. To form a gas escape passage communicating with the exhaust hole. Further, in the first embodiment and the second embodiment, at least a part of the first case 1 and the second case 2 may be separated from the circuit breaker mounting surface 62a by a predetermined distance to form the gas escape passage. .

Further, in the present invention, the conductive bar connecting portion of the conductive connecting member 3 may be formed in a plate shape, for example, a blade, and the conductive bar side may be formed so as to sandwich it, for example, a receiving blade. .

[0045]

According to the connection conversion adapter of the first aspect of the present invention, it is possible to facilitate the connection work between the conductive bar and an electric device such as a circuit breaker or a magnet. Further, since the conductive connecting member can be attached to and detached from the terminal of the electric device while being positioned and housed in the case, the workability of connecting with the electric device is improved. Also, conductive to any of the multiple insertion grooves
The position of the conductive bar connection of the flexible connection member.
Of the electrical equipment even if the rated voltage is different.
Parts can be standardized.

[0046] According to the connection adapter of 請 Motomeko 2 wherein, in addition to the same effects as claim 1, when plug connection conductive bar connection portion of the conductive connecting member and the conductive and bar,
Since the connecting portion comes into contact with the inner surface of the second case and acts as a stopper and a stopper for the conductive connecting member, the conductive connecting member is less likely to be deformed. Further, the retaining structure for the conductive connecting member can be simplified.

According to the connection conversion adapter of the third aspect , in addition to the same effects as those of the first or second aspect ,
Since the side wall is doubled because the second case is fitted into the case or the first case is fitted into the second case, between the conductive connecting members of the circuit breakers when the circuit breakers are arranged side by side. The insulating property of is improved. According to the connection conversion adapter of the fourth aspect , in addition to the same effect as the third aspect , since the locking portion is formed on the inner surface of the first case or the second case, the first case and the second case are once provided. It becomes difficult to disengage when combined with, for example, a circuit breaker when the conductive connecting member arranged between the cases is popped out of each case and the conductive connecting member is returned to a position different from the original position. It is possible to prevent damage due to the difference in rated voltage.

According to the connection conversion adapter of the fifth aspect , in addition to the same effect as the fourth aspect , the locking portion is divided into two by the vertical wall and the hooking portion is formed into a bifurcated shape, and the locking portion is further formed. Since the jig insertion hole communicates with the outer surface of the case to the case, it is possible to remove the hook portion hooked to the locking portion by inserting a dedicated jig into the jig insertion hole, and thereby the first case and the second case. Since the spaces can be removed, it is possible to easily change the arrangement position of the conductive connecting member on the manufacturing side.

According to the connection conversion adapter of claim 6 , claim 1, claim 2, claim 3, claim 4, or contract.
In addition to the effect similar to the requirement 5 , the insulating property of each pole of the conductive connecting member is improved. According to the connection conversion adapter of the seventh aspect, the insulation distance between the respective poles can be further increased as compared with the effect of the sixth aspect.

According to the connection conversion adapter of the eighth aspect , in addition to the same effect as that of the first aspect , since the insulating plate can be attached, the interval between the conductive bars can be narrowed and the size can be reduced. . According to the connection conversion adapter of the ninth aspect , in addition to the same effect as that of the first aspect , the gas generated when the circuit breaker is forcibly opened is used even when the circuit breakers are arranged in parallel. It can be discharged to the outside from between the circuit breaker mounting surface and the first case or the second case through the escape path.

According to the connection conversion adapter of the tenth aspect , in addition to the same effect as the first aspect , the terminal of the electric device can be easily closed. According to the connection conversion adapter of the eleventh aspect, there is the same effect as the tenth aspect . Claim
According to the connection conversion adapter of claim 12 , in addition to the same effect as that of claim 11 , after the tip of the tool is inserted through the tool insertion hole of the terminal cover part to loosen the terminal screw of the electric device, the conductive connection member is used as it is. The electric equipment connection part can be moved to the terminal side and the screw can be tightened, and automatic assembly to the electric equipment can be easily performed.

[Brief description of drawings]

FIG. 1 is a sectional view of a first embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which the connection conversion adapter is removed from the circuit breaker.

FIG. 3 is an exploded perspective view showing a state in which a second case and a conductive connecting member are disassembled.

FIG. 4 is a front view seen from the first case side.

FIG. 5 is a front view showing a state in which the circuit breaker is attached.

FIG. 6 is a rear view of the first case viewed from the opening side with the second case removed.

FIG. 7 is an exploded plan view showing a state where the second case to which the conductive connecting member is attached is removed from the first case.

FIG. 8 is a cross-sectional view.

FIG. 9 is a perspective view of the conductive connecting member in a developed state.

FIG. 10 is a perspective view of the approximately half-folded state.

FIG. 11 is a perspective view showing a state before being folded in a Z shape and folded in half.

FIG. 12 is a perspective view showing a state in which a connection conversion adapter of the second embodiment is removed.

FIG. 13 is an exploded perspective view of a connection conversion adapter.

FIG. 14 is a cross-sectional view of a connection conversion adapter.

FIG. 15 is a cross-sectional view thereof.

FIG. 16 is a view showing the first case in which the conductive connecting member is inserted and attached.
It is a top view of the state removed from the case.

FIG. 17 is a side view showing a state in which a circuit breaker to which a connection conversion adapter is attached is installed.

FIG. 18 is an exploded perspective view showing a state in which the connection conversion adapter of the third embodiment is removed from the circuit breaker.

FIG. 19 is a partial cross-sectional side view showing a state in which the connection conversion adapter approaches the circuit breaker and the tool is inserted into the tool insertion hole.

FIG. 20 is a plan view thereof.

FIG. 21 is a partial cross-sectional side view showing a state in which the connection conversion adapter is brought into contact with the circuit breaker and the terminal screw is tightened with a tool.

FIG. 22 is a plan view thereof.

[Explanation of symbols]

1 first case 2 Second case 3 Conductive connection member 4 Conductive bar 5 Insertion groove 6 openings 7 Circuit breaker connection through section 8 receiving edge 9 circuit breaker 10 terminals 11 Circuit breaker connection 12 Connection 13 Locking part 14 vertical walls 15 Jig insertion hole 16 horizontal bulkhead 17 vertical partition 18 Insulation plate 19 Terminal cover 19a Terminal cover mounting part 20 holes 21 through holes 22 Mounting part 23 Hook 24 Tapered surface 25 engagement bulkhead 66 Gas escape 77 Gap

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akihiko Hirao 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Tomoyuki Sawada, 1048, Kadoma, Kadoma City, Osaka Matsushita Electric Works, Ltd. ( 72) Inventor Toshihiro Oido 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor, Yasuhiro Sumino 1048, Kadoma, Kadoma City, Osaka Prefecture, Matsushita Electric Works, Ltd. (72) Inventor, Yasushi Futahata 1048, Kadoma, Kadoma, Osaka Prefecture, Matsushita Electric Works, Ltd. (56) Reference JP-A-9-270226 (JP, A) JP-A-11-126554 (JP, A) US Patent 3346777 (US, A) ( 58) Fields investigated (Int.Cl. ⁷ , DB name) H01H 71/08 H01H 73/06-73/08 H01H 73/20 H02B 1/40-1/42 H01R 13/11 H01R 13/15 H01R 31 / 06

Claims (12)

(57) [Claims] 1. A conductive connecting member having a conductive bar connecting portion for inserting and connecting with a conductive bar formed on one end side and an electric device connecting portion connected to a terminal of an electric device formed on the other end side. The conductive bar connecting portion of the conductive connecting member and an insertion groove for interconnecting the conductive bar are formed, and an electric device connecting through portion is formed to insert the electric device connecting portion of the conductive connecting member to the outside. And a case in which the conductive connecting member is positioned and stored, the case
Has multiple inserts for multiple conductive bars of different heights.
It has a groove and an opening on the side opposite to the insertion groove.
At least one of the bottoms of the insertion grooves communicates with the opening.
For connecting the first case with a through hole to the electric device
It has a through portion and is attached to the opening side of the first case,
A connection conversion adapter having a second case that closes the opening of the first case . 2. The conductive connecting member includes a conductive bar connecting portion formed by bending the electric device connecting portion side from the conductive bar connecting portion side, and a connecting portion between the electric device connecting portions, the second case. While contacting the inner surface of the first case with an abutting portion projecting on one side,
Connection adapter according to claim 1 wherein the positioning accommodating the conductive connecting member in the first case and the second case. Wherein the one of the first case and the second case, according to claim 1 or claim 2 connection adapter according are attached in a state fitted to the other one. 4. A locking part is provided above and below the inner surface of the first case and the second case on the side where it is fitted, and a hooking part for locking the locking part is provided in the first case and the second case. The connection conversion adapter according to claim 3 , wherein the connection conversion adapter is formed on the fitting side of the case. 5. The locking portion is divided into two by each vertical wall,
The connection conversion adapter according to claim 4, wherein the hooking portion is formed in a bifurcated shape so that the vertical wall can be inserted therein, and jig insertion holes that communicate with the outer surface of the case from the locking portion are provided. 6. A horizontal partition wall is provided to isolate at least two conductive bar connecting portions facing the plurality of insertion grooves of the first case, and is laterally extended across the insertion grooves in a direction intersecting with the insertion grooves. A vertical partition wall extending toward the opening side of the partition wall is provided, an engagement partition wall that engages with the vertical partition wall is provided in the second case, and the conductive connection member is a horizontal partition wall and a vertical partition wall of the first case. The claim 1, claim 2, claim 3, and the contract , each of which is arranged in a space partitioned by the engaging partition wall of the second case.
The connection conversion adapter according to claim 4 or claim 5 . 7. A plurality of said conductive bar connecting portions are provided in said first
The connection conversion adapter according to claim 6 , wherein the connection conversion adapter is arranged in a space located diagonally to each other among a plurality of spaces partitioned by a horizontal partition wall, a vertical partition wall of the case, and the engaging partition wall of the second case. 8. between insertion grooves of the first case, the conductive bar connection portion and the connection adapter according to claim 1, wherein the mounting portion of the insulating plate for isolating the conductive bar which plug connection is provided between the. 9. The second case is in contact with an end surface of the electric device, and a gas escape path is formed in the second case to escape to the electric device mounting surface side in correspondence with an exhaust hole formed in the end surface of the electric device. The connection conversion adapter according to claim 1 , wherein the connection conversion adapter is provided and at least a part of the first case and the second case is separated from the electric device mounting surface by a predetermined distance. 10. The connection conversion adapter according to claim 1, wherein the first case or the second case is provided with a mounting portion of a terminal cover that closes an upper surface side of a screw type terminal of the electric device. 11. The first case or the second case is provided with a terminal cover part for closing an upper surface side of a screw type terminal of the electric device, and the terminal cover part has an electric device connecting part of a conductive connecting member. electrical equipment threaded connection adapter according to claim 1, wherein forming the tool insertion hole is closed after connecting by the tool to the terminals of the. 12. The connection conversion adapter according to claim 11 , wherein the tool insertion hole is formed as a long hole in which a direction in which the electric device connecting portion of the conductive connecting member is inserted into the screw type terminal of the electric device is long.