JP6503243B2 - Switchgear - Google Patents

Description

  The present invention relates to a switching switch for switching connection destinations in two systems.

  The structure of a conventional switching switch for switching between two connection destinations is disclosed in Patent Document 1. In this case, a case provided with a switching mechanism for switching one contact is connected according to the number of contacts to constitute one switch. By dividing and forming in this manner, the members of the switch that simultaneously switches two contacts and the switch that simultaneously switches three contacts or four contacts can be made common, and other types of switch can be realized with a small number of parts.

JP, 2015-90833, A

The above conventional switching switch connects the cases in accordance with the number of contacts to be switched to form a housing, so there are as many switching mechanism parts for switching the contacts as the connection number. By integrating again, switching of multiple contacts could be performed with one handle operation.
However, since the switching mechanism is independent, a slight deviation occurs in the switching operation due to a slight difference in inclination generated in the operation member or a slight difference in the shape of the movable contact etc. There was no problem.

  Therefore, in view of such problems, the present invention has an object to provide a switching switch in which switching of contacts is simultaneously performed even when switching mechanisms of individual contacts are independent.

In order to solve the above problems, the invention according to claim 1 comprises a pair of fixed contacts disposed opposite to each other in the front-rear direction, and a movable contact disposed between the two fixed contacts and operating in contact with any one fixed contact. An operating means for disposing the movable contact provided therein and switching the contact of the movable contact, an input terminal connected to the movable contact, and two output terminals connected to each of the pair of fixed contacts In a switching switch formed by connecting at least two case members disposed outside in the left and right direction, interlocking for interlocking contact / disengagement operation with a fixed contact between a plurality of movable contacts provided A member is disposed.
According to this configuration, even when the switching mechanisms of the individual movable contacts are independent, the interlocking members can interlock each other, and switching of the movable contacts can be performed simultaneously.

According to the invention of claim 2, in the configuration according to claim 1, the interlocking member has a first interlocking member disposed in one of the adjacent case members, and a second interlocking member disposed in the other, The first interlocking member has at one end a clamping portion for clamping the movable contact disposed in the case member in the front-rear direction, and at the other end the second interlocking member via a hole provided in the side wall of the case member. The second interlocking member has a holding portion for holding the movable contact disposed in the case member at one end from the front and rear direction while having the engaging portion to be engaged, and pivotally supports the hole at the other end, It has a shaft part engaged with the engaging part of the 1st interlocking member.
According to this configuration, it is sufficient to provide a hole for pivotally supporting the interlocking member on the side wall of the case member, and it is not necessary to open the side wall over the entire area in which the movable contact pivots. The interlocking member can be arranged without changing. Moreover, since the hole provided in the side wall is the rotation center of the interlocking member, it is not necessary to separately provide a pivotally supporting member.

  According to the present invention, even when the switching mechanisms of the individual contacts are independent, the interlocking members can interlock each other, and the contacts can be switched simultaneously.

An example of the switching switch which concerns on this invention is shown, (a) is a perspective view, (b) is a top view. It is structure explanatory drawing of the switching switch of FIG. 1, (a) is the perspective view which removed the case member of the front and exposed the inside, (b) removes the switching mechanism and terminal member of the further front, and interlocking member It is an exposed perspective view. It is structure explanatory drawing of the switching switch of FIG. 1, (a) is the perspective view which removed the interlocking | linkage member exposed in FIG.2 (b), (b) is the perspective view which removed the case member further front. It is a perspective view of an interlocking member. It is explanatory drawing of the 1st interlocking member which comprises an interlocking member, (a) is a front view, (b) is a side view, (c) is a rear view, (d) is a top view. It is explanatory drawing of the 2nd interlocking member which comprises an interlocking member, (a) is a front view, (b) is a side view, (c) is a rear view, (d) is a top view. It is an explanatory view showing an engagement relation of a interlocking member and a movable contact. It is explanatory drawing of the switching switch of the state which connected the input terminal to one output terminal, (a) is a perspective view which removed the case member in front and exposed the inside, (b) removes the case member further. It is the perspective view which exposed the center switching mechanism.

Hereinafter, embodiments embodying the present invention will be described in detail with reference to the drawings. 1A and 1B show an example of a switch according to the present invention, wherein FIG. 1A is a perspective view, and FIG. 1B is a plan view, showing a switch switch capable of switching between two systems of three lines. ing.
In FIG. 1, 1 to 3 are connection terminals for connecting electric wires, 1 (1a to 1c) are input terminals connected to internal movable contacts, and 2 (2a to 2c) are among 2 systems of switching destinations. A first output terminal to which one is connected, and 3 (3a to 3c) are second output terminals to which the other of the two systems are connected. Further, 4 is an operation handle for switching operation.
The input terminal 1 and the first output terminal 2 are disposed on the left side of the case 9 of the switching switch in the figure, and the second output terminal 3 is disposed on the right side in the figure. Hereinafter, the first output terminal 2 side will be described as the front, and the second output terminal 3 side as the rear.

  FIG. 1 shows an off state in which the input terminal 1 is not connected to the output terminals 2 and 3, and the operating handle 4 is in an intermediate position. Then, as described later, when the operation handle 4 is tilted forward, the input terminal 1 and the first output terminal 2 are electrically connected, and when tilted backward, the input terminal 1 and the second output terminal 3 are connected.

The case 9 of the switching switch operated in this manner is formed by connecting the case members 10, and here is configured by connecting four case members 10a to 10d. Among them, the left three members (the first case member 10a, the second case member 10b, and the third case member 10c) are each assembled with a switching mechanism for switching one electric path, and are assembled in a housing in which three poles are independent. ing. Further, the fourth case member 10 d at the right end is a closing plate that closes the open surface of the third case member 10 c which is the right side portion of the case 9.
The first to third case members 10a to 10c have a side wall forming a side surface only on one side on the left side, and the right side is open. Moreover, the case member of the same shape is used for the 2nd case member 10b and the 3rd case member 10c.

2 (a) is a perspective view of the fourth case member 10d removed, and FIG. 2 (b) is an open / close mechanism assembled in the third case member 10c. It is the perspective view which removed the terminal member.
In FIG. 2, 6 is a fixed contact, 7 is a movable contact, 8 is a movable contact, 15 is a frame for accommodating the opening / closing mechanism, and the fixed contacts 6 are arranged in pairs facing each other from the front and back. Is connected to the first output terminal 2, and the rear fixed contact 6 is connected to the second output terminal 3. The movable contact 7 is formed on both ends of the lower end of the movable contact 8 disposed to be suspended at an intermediate position between the pair of fixed contacts 6.

  And 11b is a 2nd interlocking member which constitutes a part of interlocking member 11 interlocked with a plurality of movable contacts 8 accommodated, and a plurality of (here three) provided movable contacts 8 simultaneously switch It is set to work. The interlocking member 11 includes two types of a first interlocking member 11 a and a second interlocking member 11 b described later, and these two types are combined and stored in the case 9.

  Similarly, FIG. 3 is a structural explanatory view of the switching switch, FIG. 3 (a) is a perspective view from which the second interlocking member 11b shown in FIG. 2 (b) is removed, and FIG. 3 (b) is a third case member. The perspective view which removed 10c is shown. As shown in FIG. 3, the second interlocking member 11b (shown in FIG. 2) disposed in the third case member 10c is connected to the first interlocking member 11a disposed in the second case member 10b. And are arranged to interlock with each other. FIG. 4 is a perspective view showing the relationship between the first interlocking member 11a and the second interlocking member 11b, and the upper portion shown by the arrow P is integrated and connected.

5 shows the first interlocking member 11a, and FIG. 6 shows the specific shape of the second interlocking member 11b, where (a) is a front view, (b) is a side view, (c) is a rear view, and (d) is a plan view. FIG.
The 1st interlocking member 11a and the 2nd interlocking member 11b have the clamping part 112 in which the clamping groove 111 which clamps the movable contact 8 in the lower part was formed. Then, the first interlocking member 11a is formed with the engaging convex portion 113 engaged with the second interlocking member 11b at the top, and the upper portion of the second interlocking member 11b is the engaging convex portion 113 of the first interlocking member 11a. An engagement recess 114 is formed to accommodate and engage the
The engagement recess 114 is formed inside the disc-like projection 115, and the disc-like projection 115 is pivotable to a later-described through-hole 12 formed on the side wall of the case member 10 disposed inside the case 9. It fits and constitutes a pivot.

  And in the side walls of the case members 10b and 10c disposed in the middle among the case members 10a to 10d, through holes 12 for connecting the first interlocking member 11a and the second interlocking member 11b are shown in FIG. 3A. It is formed as shown. The through hole 12 has a circular shape that accommodates the disk-like protrusion 115 of the second interlocking member 11 b, and is a support hole that is the center of rotation of the interlocking member 11.

  FIG. 7 is a view showing an engagement relationship between the movable contact 8 and the interlocking member 11, and an explanatory view as viewed from the second output terminal 3 side. In FIG. 7, 17b denotes the side wall of the second case member 10b, 17c denotes the side wall of the third case member 10c, and the disk-like projection 115 of the second interlocking member 11b is in the through hole 12 formed in the side walls 17b and 17c. The first interlocking member 11 a and the second interlocking member 11 b are connected via the through holes 12.

Then, the movable contact 8 accommodated in the first case member 10a on the right side of the drawing is sandwiched by the first interlocking member 11a, and the central movable contact 8 accommodated in the second case member 10b is the first interlocked The movable contact 8 on the left side in the figure, which is sandwiched from the left and right by the member 11a and the second interlocking member 11b and accommodated in the third case member 10c, is sandwiched by the second interlocking member 11b.
When each movable contact 8 is held by the interlocking member 11 as described above, when any of the movable contacts 8 starts to rotate, the other movable contacts 8 also start to rotate.

FIG. 8 shows a state in which the movable contact 8 is rotated forward to bring the movable contact 7 into contact with the fixed contact 6 of the first output terminal 2, that is, the input terminal 1 and the first output terminal 2 are electrically connected. (A) shows the state in which the fourth case member 10 d is removed and the inside is exposed, and (b) shows the state in which the third case member 10 c is removed and the central movable contact 8 is exposed. There is.
As shown in FIG. 8, when the movable contact 8 is rotated and tilted in response to the operation of the operation handle 4, the interlocking member 11 is also rotated about the rotation axis (the disk-like protrusion 115). The pivot shaft of the interlocking member 11 is provided to coincide with the pivot center of the movable contact 8.

As described above, even when the switching mechanisms of the individual movable contacts 8 are independent, the interlocking members 11 can interlock each other, and the movable contacts 8 can be switched simultaneously.
Then, the through hole 12 for supporting the interlocking member 11 may be provided on the side wall 17 of the case member 10 constituting a part of the case 9, and the side wall 17 is opened over the entire area where the movable contact 8 rotates. The interlocking member 11 can be disposed without the need to greatly change the conventional housing shape. Further, since the through hole 12 provided in the side wall 17 is the rotation center of the interlocking member 11, there is no need to separately provide a pivot support member.

  In the above embodiment, the switching switch for switching the three poles has been described. However, in the case of the configuration in which the two poles are switched, two movable contacts 8 are provided. On the other hand, in the case of the configuration in which four poles are switched, four movable contacts 8 are provided, so three interlocking members 11 are incorporated.

  1 · · · Input terminal, 2 · · First output terminal (output terminal), 3 · · Second output terminal (output terminal), 4 · · Operating handle (operation means), 6 · · Fixed contact, 7 · · · Moveable Contact point 8, movable contact 9, case 10 (10a, 10b, 10c, 10d) case member 11, interlocking member 11a first interlocking member 11b second interlocking member 12 · · · · · · · · · · · side wall, 112 · · · sandwiching portion, 113 · · · · engaging convex portion (engaging portion), 114 · · · engaging concave portion, 115 · · · disk-like protrusion (shaft portion ).

Claims (2)

A movable contact including a pair of fixed contacts disposed opposite to each other in the front-rear direction and a movable contact disposed between the two fixed contacts and operating to contact any one fixed contact is internally disposed, and the movable A case member in which the operation means for switching the contact point of the contacts, the input terminal connected to the movable contact, and the two output terminals connected to each of the pair of fixed contacts are arranged at least in the left and right direction In the changeover switch formed by connecting two,
An interlocking member for interlocking the contact / dissociation operation with the fixed contact is disposed between the plurality of movable contacts provided. The interlocking member has a first interlocking member disposed on one of the adjacent case members and a second interlocking member disposed on the other,
The first interlocking member has at one end a holding portion for holding the movable contact disposed in the case member in the front-rear direction at one end, and the other end via a hole provided at a side wall of the case member at the other end. While having an engagement portion engaged with the second interlocking member,
The second interlocking member has at one end a clamping portion for clamping the movable contact disposed in the case member in the front-rear direction, and at the other end is pivotally supported by the hole, further, the first interlocking member The switchgear according to claim 1, further comprising: a shaft portion engaged with the engagement portion.

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