JP2001325846A - Switching device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a switching device having an improved insulating property. SOLUTION: A contact housing chamber 7 provided at the center of a body 1 houses a contact part 8, consisting of a terminal plate 12, a movable contact plate 19 having a pair of movable contacts 24a, 24b for rotation in the state of contacting the terminal plate 12, and fixed contact plates 58, 60 having respective fixed contacts 59, 61 for contacting the movable contacts 24a, 24b in a manner capable of contact/separation respectively. A terminal housing chamber 9, provided at one side of the body 1, houses a pair of chain locking springs 15, 15 for elastically holding a core of a cable between the fixed contact plates 58, 60 and a release button 17' for releasing the connected condition of the cable by thrusting the pair of locking springs 15, 15 to the direction of separation from the respectively fixed contact plates 58, 60, and the same time. The release button 17' is provided integrally with an insulating wall 17b for assuring an insulating distance between the respectively fixed contact plates 58, 60 and between the pair of chain locking springs 15, 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch device.

[0002]

2. Description of the Related Art As this type of switch device, a contact portion is housed inside a switch body which is embedded and wired by using a mounting frame fixed to a construction surface such as a wall surface, and a contact portion is provided on a front surface of the switch body. There is provided an operation unit for performing the switching operation of the first, a first terminal plate connected to an external electric wire, a pair of second terminal plates respectively connected to different external electric wires, a pair of An opening / closing body having a movable contact and inverting in contact with the first terminal plate; and selectively contacting each movable contact provided on the pair of second terminal plates in accordance with the inverting operation of the opening / closing body. Some have a C-contact type contact portion composed of a fixed contact and a fixed contact that separates.

[0003]

In the above-described switch device, a pair of locking springs for elastically holding the core of the electric wire between the pair of second terminal plates and the second locking spring corresponding to each locking spring are provided. A release button for releasing the connection state of the electric wires by simultaneously pressing in a direction away from the terminal plate is provided inside the switch body, and the second terminal plate, the locking spring and the release button are so-called speed switches. Although one having a terminal portion having a connection terminal structure has been proposed, since a pair of second terminal plates and a pair of locking springs are disposed adjacent to each other with a release button interposed therebetween, a pair of second terminal plates is provided. There has been a problem that the insulation distance between the terminal plates or between the pair of locking springs cannot be sufficiently secured.

[0004] The present invention has been made in view of the above problems, and an object of the present invention is to provide a switch device with improved insulation.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a method according to the first aspect, comprising the steps of:
, A pair of second terminal plates respectively connected to different external electric wires, an opening / closing body having a pair of movable contacts and inverting in contact with the first terminal plate, a pair of second terminals A contact portion provided on a plate, the contact portion including a fixed contact that is selectively contacted / separated from each movable contact according to the inverting operation of the opening / closing body; and the pair of second terminal plates formed of a conductive material. A pair of locking springs for elastically holding the core wires of the electric wires between them are provided inside the switch body, and an insulating material is provided at a portion between the housing portions of the second terminal boards inside the switch body. And a release button for releasing the connection state of the electric wires by simultaneously pressing each locking spring in a direction away from the corresponding second terminal plate, and a pair of second terminal plates and a pair of In order to secure the insulation distance between the locking springs, A wall is provided on the release button, and the release button simultaneously presses the pair of locking springs in directions away from the corresponding second terminal plates, thereby allowing the locking spring and the second terminal plate to move together. The wires elastically sandwiched therebetween can be removed simultaneously, and the release button is provided with an insulating wall for securing an insulating distance between the pair of second terminal plates and between the pair of locking springs. Therefore, it is possible to increase the insulation distance between the second terminal plates to which different external electric wires are connected by the insulation walls, and to improve the insulation performance.

According to a second aspect of the present invention, in the first aspect of the invention, there is provided an attachment which detachably engages with an instrument mounting portion of a mounting frame having an elongated window having a plurality of instrument mounting portions in a longitudinal direction and having an opening window. The means is provided on the switch body, and the external dimension in the short width direction of the switch body is formed to be a dimension obtained by dividing the longitudinal dimension of the opening window by the number of instrument mounting portions, using a ready-made mounting frame. Since the external dimensions in the short width direction of the switch main body are formed by dividing the longitudinal dimension of the opening window by the number of the fixtures, the switch main body can be provided with other components. It can be attached to a mounting frame together with wiring equipment.

According to a third aspect of the present invention, in the second aspect of the present invention, the decorative plate has an elongated window facing the opening window and is disposed in the window of a decorative plate disposed in front of the mounting frame. An operation portion for performing a switching operation of the contact portion is provided in a portion of the switch body, and a dimension in a direction along a short side direction of the window is formed to be substantially the same as a dimension in a short side direction of the window. And an operation in which the dimension in the direction along the longitudinal direction of the window is formed to be an integral number with the number of switch bodies attached to the mounting frame as a denominator with respect to the dimension in the longitudinal direction of the window. A handle is attached to the operation portion, and the operation handle is formed such that a dimension in a direction along a short side direction of the window hole of the decorative plate is substantially the same as a dimension in a short side direction of the window hole. The dimension along the longitudinal direction of the hole is the longitudinal dimension of the window hole The size of the operation handle can be made larger than that of the operation unit of the switch body because the size of the switch body is formed to be a fraction of an integer whose denominator is the number of switch bodies attached to the mounting frame. Operability and appearance can be improved.

According to a fourth aspect of the present invention, in the third aspect of the present invention, a groove running along the longitudinal direction of the window hole is provided on one side of the front surface of the operation handle, and the elongated shape is attached in the groove. A plate piece is provided, and on one side in the short direction of the plate piece, a concave / convex locking portion is provided for engaging the concave / convex locking portion provided in the groove, and on both sides in the longitudinal direction of the plate side. A locking portion for locking the locked portion provided in the groove is provided, and a plate running along the longitudinal direction of the window hole is attached to a front surface of the operation handle. The operating handle can be made slim and compact (small) to improve its appearance, and when attaching the plate to the operating handle, first of all, the uneven locking portion provided on one side of the short side of the plate is covered. After engaging the concave / convex on the concave / convex locking section, operate the other side of the By Squeezing Le, because it is possible to attach the locking part to easily engaged portion, it is possible to easily mounting operation of the plate pieces.

According to a fifth aspect of the present invention, in the third aspect of the present invention, the thickness of the operation portion is formed such that a space for accommodating a name card is provided between the operation portion and the operation handle. By providing a space for accommodating a name card between the operation unit and the operation handle, the operation handle with the name card attached can be used, and the display of the name card can be used for the switch device. And names can be easily identified.

According to a sixth aspect of the present invention, in the third aspect of the present invention, a recess is provided on the front surface of the operation handle, and the bottom of the recess has a card housing which is one step lower than the bottom surface on which the name card is arranged. A recess is provided, a groove is provided on one end surface of the recess, a through hole is provided on the other end surface of the recess, and the groove is provided on one end side of a name cover detachably attached to the recess. In addition to providing a convex portion to be inserted, a locking means for locking to an edge of the through hole is provided on the other end side of the cover, and a card storage recess in which a name card is arranged is a recess of the recess. The position of the name card stored in the card storage recess does not shift because it is one step lower than the bottom, and the name cover locks the convex part with the concave groove of the concave and the locking means Fits in recess by locking with through hole Since it mounted freely attached and detached to the recess of the name cover easy to be readily cope with replacement of the name card.

According to a seventh aspect of the present invention, in the third aspect of the invention, a surface of the operation handle facing the operation portion is provided.
Locking means for releasably locking with a locked portion provided on the operating portion, wherein the locking means of the operating handle and the locked portion of the operating portion are locked; As a result, the operation handle is detachably attached to the operation unit, so that the operation handle can be easily attached and detached,
The operation handle can be easily exchanged.

[0012]

Embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1) Embodiment 1 of the present invention is shown in FIG.
This will be described with reference to FIGS. FIG. 1 is an exploded perspective view, FIG. 2 (a) is a front view, FIG. 2 (b) is a side view, FIG. 2 (c) is a bottom view, and FIG. .

This switch device has a substantially box-shaped synthetic resin body 1 having an open front surface, and a synthetic resin cover 2 formed on the front surface of the body 1 and having a substantially rectangular shape. And a switch body 10 composed of A pair of locking projections 3 are provided on both sides in the longitudinal direction of the body 1, and a locking hole for locking and releasing the locking projection 3 from the rear edge of the cover 2. The body 1 and the cover 2 are assembled by engaging the engaging projections 3 and the engaging holes 4 with projections and depressions, respectively.

The interior of the body 1 is partitioned into a plurality of sections by partition walls, and terminal storage chambers 9, 9 for storing the quick connection terminal portions 6 are provided on both sides, and a three-way type (C contact type) described later. The contact storage chamber 7 for storing the contact portion 8 is provided substantially at the center.

The contact portion 8 includes a terminal plate (first terminal plate) 12 connected to an external electric wire and a pair of movable contacts 24a, 2a.
A movable contact plate (opening / closing body) 19 having a contact 4b and inverting in contact with the terminal plate 12, and fixed contact plates (second terminal plates) 58, 60 connected to different external electric wires, respectively.
And the movable contacts 24a, 2 provided on the fixed contact plates 58, 60, respectively, in accordance with the reversal operation of the movable contact plates 58, 60.
4b and fixed contacts 59 and 61 which are selectively contacted / separated. The terminal plate 12 is formed of a conductive material and has a U-shaped portion 14 having a U-shaped cross section. A pair of locking springs 15 are disposed on the U-shaped portion 14, and the quick connection terminal portion 6 is formed.
Is configured. The U-shaped portion 14 of the terminal plate 12 is a central piece 14a.
And a contact piece 14b and a contact piece 1 protruding from both end edges of the central piece 14a in directions substantially orthogonal to the central piece 14a.
4c. The locking spring 15 is formed by bending a strip of a conductive material having elasticity, and a chain-shaped piece 15b and a contact piece 15c are formed at both ends of a central piece 15a. The central piece 15a of the locking spring 15 is in contact with the contact piece 14b of the terminal plate 12.
The locking piece 15b is inclined from the connection portion with the central piece 15a toward the tip edge toward the contact piece 14c of the U-shaped portion 14, and the contact piece 15c is bent into a substantially S-shape. The lock piece 15b and the contact piece 15c provided on the lock spring 15 face the contact piece 14c of the U-shaped portion 14.

From the end of the contact piece 14b of the terminal plate 12, a support piece 23 having a fulcrum projection 22 formed at the tip thereof as a swing fulcrum of the movable contact plate 19 is formed to protrude. The movable contact plate 19 is formed by bending a strip made of a conductive material into a substantially U-shape, and has side pieces 19b, 19b on both end edges of a central piece 19a.
Are formed on each side piece 19b.
1 and movable contacts 24a and 24 that come into contact with and separate from each other.
b is formed.

The fixed contact plates 58 and 60 are formed of a conductive material, and are connected to the fixed contact plates 58 and 60 and a pair of chain springs 1.
5, the quick connection terminal portion 6 is constituted. One fixed contact plate 5
The contact piece 1 of the lock spring 15 is
A contact piece 58b facing the contact piece 5b and the contact piece 15c protrudes, and a fixed contact 59 that comes into contact with one of the movable contacts 19a of the movable contact plate 19 so as to freely contact and separate from the other end of the central piece 58a. A substantially L-shaped terminal piece 58c provided at the tip extends. Central piece 60a of the other fixed contact plate 60
A contact piece 60b facing the contact piece 15b and the contact piece 15c of the locking spring 15 protrudes from one end, and a fixed contact 61 is provided at the tip from the other end of the central piece 60a. An L-shaped terminal piece 60c extends.

After the pair of locking springs 15 and the release buttons 17 and 17 'are stored in the terminal storage chambers 9 and 9 of the body 1, respectively, the pair of locking springs 15 and 17' are stored in one terminal storage chamber 9. When the U-shaped portion 14 of the terminal plate 12 is disposed so as to hang down in one of the terminal storage chambers 9 so as to include the locking spring 15, the fulcrum projection 22 of the terminal plate 12 is disposed at the bottom of the contact storage chamber 7. . Further, each of the fixed contact plates 58,
60 center pieces 58a, 60a and contact pieces 58b, 60b
Are disposed in the other terminal storage chamber 9, the terminal pieces 58c, 60c of the fixed contact plates 58, 60 are disposed in the terminal storage chamber 7, and the fixed contacts 59, 61 provided in the terminal pieces 58c, 60c. Are arranged to face each other. And the contact storage room 7
The fulcrum projection 22 of the terminal plate 12 and the fixed contact plates 58, 6 are provided therein.
0 terminal pieces 58c and 60c are arranged, and the central piece 1
When the movable contact plate 19 is accommodated in the contact storage chamber 7 with the body 9a on the bottom side of the body 1, the central piece 19a of the movable contact plate 19 contacts the fulcrum projection 22 of the terminal plate 12, and the movable contact plate 19 It is arranged to be able to swing around the center. It should be noted that ribs 33 projecting inward are provided substantially at the centers of both sides of the body 1.
33, the movable contact plate 19 is provided in the contact storage chamber 7.
When it is housed inside the movable contact plate 19, the ribs 33, 3
The movement of the body 1 in the short width direction is regulated by the ribs 33. The movable contact plate 19
The side piece 19b is provided with a projection 37 protruding laterally. The projection 37 is engaged with the rib 33,
The swing range of the movable contact plate 19 is regulated.

Here, when connecting the electric wire to the quick connection terminal portion 6, when a core wire (not shown) from which the sheath of the electric wire is stripped is inserted through the electric wire insertion hole 16, the spring force of the locking spring 15 causes A core conductor is sandwiched between the locking piece 15b and the contact piece 15c of the locking spring 15 and the contact piece 14c of the terminal plate 12 or the contact pieces 58a and 60a of the fixed contact plates 58 and 60. Of the core wire cuts into the conductor of the core wire, thereby preventing the core wire from falling off. Therefore, only by inserting the core wire of the electric wire into the electric wire insertion hole 16,
The core of the electric wire is held, and the electric connection to the terminal plate 12 is made. The wire insertion hole 16 is formed so as to become thinner toward the back, and the core wire of the wire inserted into the body 1 from the wire insertion hole 16 is connected to the terminal plate 12 and the fixed contact plates 58 and 60, the locking spring 15 and It is to be surely inserted between.

In each of the terminal storage chambers 9, release buttons 17, 17 'made of insulating synthetic resin are stored so as to face the chain-like pieces 15b of the pair of lock springs 15. To remove the core wire of the electric wire connected to the quick connection terminal portion 6, insert a tool such as a flathead screwdriver through a tool insertion hole 18 formed in the bottom surface of the body 1 and release the buttons 17 and 1.
By pressing 7 ', the projections 17a of the release buttons 17, 17' press the chain-shaped piece 15b, and the chain-shaped piece 15b is contacted with the contact piece 14c of the terminal plate 12 or the contact piece 58a of the fixed contact plate 58, 60. , 60a, so that the chain-like piece 15b separates from the conductor of the core wire, and the core wire can be easily pulled out. Since the release buttons 17 and 17 'have protrusions 17a on both sides, the release buttons 17 and 17' are operated to simultaneously bend the chain-like pieces 15b of the pair of lock springs 15 so that the pair of lock springs 15 and 17 'are bent. The connection state between the locking spring 15 and the core wire can be simultaneously released, and the core wire can be removed at a time.

Here, the release button 17 'is disposed in the terminal storage chamber 9 in which the fixed contact plates 58 and 60 connected to different external electric wires and the pair of lock springs 15 are stored. The button 17 ′ has a fixed contact plate 58, a portion of the terminal storage chamber 9 in which the locking spring 15 disposed opposite to the fixed contact plate 58 is stored, and a fixed contact plate 60 and a chain disposed opposite to the fixed contact plate 60. Terminal storage chamber 9 in which lock spring 15 is stored
And an insulating wall 17b partitioning the above-mentioned portion. Since the insulating wall 17b is formed from the bottom side to the opening side of the terminal storage chamber 9, the fixed contact plates 58, 6 are provided.
0 and a sufficient insulation distance between the two fixed contact plates 58, 6
0 can be improved.

On the other hand, the cover 2 has a substantially rectangular opening 2 on the front surface.
5 are formed, and bearing bases 26 protruding forward are protruded from an opening edge substantially at the center of the opening 25 in the longitudinal direction. The cover 2 is provided on both sides in the short width direction of the cover 2.
Steps 28, 28 which are one step higher than the front surface of the pair are formed, and each step 28 is provided with a pair of locking claws 29 projecting sideways. Here, mounting means for locking and releasably locking an instrument mounting portion provided on a later-described plate frame (mounting frame) 100 fixed to the construction surface from the locking claw 29 is configured.

The reversing handle 30 made of synthetic resin, which is an operation portion for opening and closing the contact portion 8, is substantially box-shaped with an open back surface, is formed in a substantially rectangular front surface, and has both sides in the longitudinal direction. Protrusions 31 that enter the grooves 27 of the cover 2 are provided on the surface, respectively. An opening 34 is formed in one end of the front surface of the reversing handle 30 in the longitudinal direction, and claws 35, 35 protruding laterally are formed on both sides of the opening 34. At the approximate center of the end, a claw 36 protruding laterally is provided. A substantially cylindrical spring housing (not shown) in which the coil spring 32 is housed is provided on the back side of the front surface of the reversing handle 30.

An operation handle 38b made of synthetic resin is detachably attached to the front side of the reversing handle 30. The operation handle 38b includes a rectangular main portion 74a and a main portion 7 which cover the front surface of the reversing handle 30, as shown in FIGS.
Side wall 74 projecting rearward from the periphery of 4a all around
b is formed in a substantially box-like shape and formed continuously and integrally.
At the approximate center in the longitudinal direction of the back surface, an elastic locking claw piece 39,
40 are protrudingly provided. Inwardly protruding claws 39a, 40a protrude from the tips of the locking claw pieces 39, 40, and lock the claws 39a, 40a of the locking claw pieces 39, 40 with the claws 35, 36 of the reversing handle 30. The operation handle 3
The operation handle 38b is attached to the reversing handle 30 so that the center in the longitudinal direction of the switch body 8b substantially matches the center in the short width direction of the switch body 10. Here, a locked portion is constituted by the claws 35 and 36, and the locking claw pieces 3 are formed.
Locking means for locking the hooks 9 and 40 to the claws 35 and 36 so as to be able to be detached and detached is constituted.

An operation handle 38b corresponding to the opening 34 of the reversing handle 30 has an operation handle 38b.
A groove 41 running along the longitudinal direction of b is formed. An elongated hole 54 penetrating the operation handle 38b is formed substantially at the center of the groove 41 in the longitudinal direction, and holes 43a through 43 penetrating the operation handle 38b are formed at both ends and an intermediate portion of the groove 41.
43d is formed, and a recess 44 is formed at the back of the hole 43a formed at one end of the groove 41 as an uneven locking portion.

A handle line 45b made of a long plate is mounted in the groove 41. As shown in FIG. 1, FIG. 4 and FIG. 5, a convex portion 47 as a concave / convex locking portion is provided on one side of the handle line 45b in the short direction with a concave portion 44 provided at one end of the groove 41. Has been established. Also, holes 43 at both longitudinal edges of the handle line 45b are provided.
A locking claw piece 48 protruding rearward is protruded from a portion corresponding to b to 43d, and a claw 49 protruding outward is protruded from the tip of the locking claw piece 48. Thus, handle line 4
5b is attached to the operation handle 38b as shown in FIG.
(A) As shown in (b), first, the handle line 45b
The protrusion 47 is inserted into the hole 43a of the operation handle 38b and locked with the recess 44, and the handle line 45b is rotated in the direction of the arrow in FIG. By inserting the locking claw pieces 48 of the line 45b into the corresponding holes 43b to 43d, respectively, and locking the claw 49 provided at the tip of the locking claw piece 48 and the edge of the holes 43b to 43d, The handle line 45b is attached to the operation handle 38b. Here, holes 43b to 43d
A locked portion provided in the groove 41 is formed from the edge of
The locking claw 48 constitutes a locking portion provided on both sides in the longitudinal direction of the handle line 45b and locking with the edges of the holes 43b to 43d.

As shown in FIGS. 37 and 38, holes 43a to 43d are formed at both ends and an intermediate portion of a groove 41 formed on the front surface of the operation handle 38b, and both sides of the handle line 45b in the longitudinal direction are formed. When a locking claw 48 protruding rearward is formed at a portion corresponding to the holes 43a to 43d on the edge, and a claw 49 protruding outward is protruded from the tip of the locking claw 48, the handle line 45b is operated. When attaching to the handle 38b, FIG.
As shown in (c), the handle line 45b is made substantially parallel to the operation handle 38b, and
b is inserted into the corresponding holes 43a to 43d, and the handle line 45b is attached to the operation handle 38b by pressing the handle line 45b toward the operation handle 38b.
Since b is formed in a long shape and its dimension in the short width direction is short, there is a problem that the handle line 45b is easily rotated as shown in FIG.

On the other hand, in the present embodiment, a convex portion 47 is provided on one side of the handle line 45b along the short direction, and the convex portion 47 is first inserted into a hole 43a formed on one end of the groove 41. , A concave portion 44 and a convex portion 4 provided at the back of the hole 43a.
7 and the other end of the handle line 45b is pushed toward the operation handle 38b with the projection 47 as a fulcrum, and the locking claw pieces 38 are inserted into the corresponding holes 43b to 43d, and the claw 39 is inserted. And the ends of the holes 43b to 43d are locked, as shown in FIG.
The rotation of 5b does not make it difficult to attach.

Here, the procedure for assembling the switch device of the present embodiment will be briefly described. First, a pair of lock springs 15 and a release button 1 are provided in each terminal storage chamber 9 of the body 1.
A reversing handle in which one end of a coil spring 32 is accommodated in a spring accommodating portion while accommodating the terminal plate 12, the fixed contact plates 58, 60 and the movable contact plate 19 in the contact accommodating chamber 9 while accommodating the contact plates 7, 17 '. 30 is assembled into the body 1 such that the other end of the coil spring 32 enters the central piece 19a of the movable contact plate 19, and then the cover 2 is attached from the front side of the body 1, and the locking projection 3 of the body 1 is attached. And locking hole 4 of cover 2
The body 1 and the cover 2 are connected by engaging the concave and convex. At this time, the movable contact plate 19 and the reversing handle 3
0, the coil spring 32 is pressed and bent, and the projection 31 of the reversing handle 30 is pressed against the groove 27 of the bearing 26 by the spring force of the coil spring 32, and the reversing handle 30 is pressed.
Hold the switched state.

Next, as shown in FIG. 6A, a state in which the reversing handle 30 is inclined to the lower left in the figure (that is, the side where the two claws 35 of the reversing handle 30 are projected) is
6 is higher than the side where the projection is provided in FIG.
As shown in (b), after the claw 40a of the locking claw piece 40 corresponding to the claw 35 of the reversing handle 30 is locked to the claw 35, the approximate center of the operation handle 38b is pressed toward the switch body 10, and The operation handle 38b is attached to the inversion handle 30 by engaging the claw 39a protruding from the engagement claw piece 39 with the claw 36 of the inversion handle 30.

On the other hand, when the operation handle 38b is detached from the reversing handle 30, first, as shown in FIG. 7A, the reversing handle 30 and the operation handle 38b are inclined to the lower right in the figure (ie, the reversing handle 30). 2
The side where the individual claws 35 protrude is lower than the side where the claws 36 protrude in the figure), and a flathead screwdriver or the like is inserted between the step 28 of the cover 2 and the operation handle 38b. When the tool 150 is inserted and the tool 150 is tilted counterclockwise in the figure with the step 28 as a fulcrum, the side wall 74b of the operation handle 38b is pulled outward by the tool 150 as shown in FIG. Is bent, and the locking claw 39 projecting from the back surface of the main portion 74a is inclined outward, so that the locking claw 3
The locking state of the claw 39a of No. 9 and the claw 36 of the reversing handle 30 is released, and the operation handle 38b can be removed from the reversing handle 30 (see FIG. 7C). in this way,
Since the operation handle 38b is detachably attached to the reversing handle 30, only the operation handle 38b can be replaced when the operation handle 38b is damaged, and by preparing the operation handles 38b of various colors, An operation handle 38b of a color according to the atmosphere can be selected and attached. The operation handle 38
On the back side of the main portion 74a, the ribs 51a and 51b that are in contact with a part of the front and side surfaces of the reversing handle 30 are protruded, so that when the operation handle 38b is attached to the reversing handle 30, the operation handle 38b The rattling can be suppressed.

This switch device is detachably attached to a plate frame 100 fixed to a construction surface. FIG.
(A) As shown in (b), the plate frame 100 is formed in a rectangular frame shape from a synthetic resin having an insulating property, and an operation handle 38b attached to the front surface of the switch body 10 is exposed to the front in the center. Rectangular opening window 1
01 is provided. A band-shaped fixed beam portion 102 and a movable beam portion 103 are provided on the peripheral back side of the opening window 101 so as to face each other along the longitudinal direction of the opening window 101. The movable beam portion 103 is separated from one side frame piece 104b of the pair of side frame pieces 104a and 104b along the longitudinal direction of the plate frame 100, and is integrally connected to the side frame piece 104b at both ends by a connecting portion 105. ing. Here, the synthetic resin forming the plate frame 100 including the movable beam portion 103 and the connection portion 105 is a flexible material, and the movable beam portion 103 and the connection portion 105 can be flexed with respect to the plate frame 100, respectively. It has become.

The movable beam 103 is supported by a pair of narrow ribs 106 extending integrally from the side frame 104b, and a gap formed between the movable beam 103 and the side frame 104b is formed. The rib 106 is divided into three portions (hereinafter, each portion is referred to as slits 107a to 107c). Of these, slits 107 on both sides
The outside ends of the members a and 107c are bent toward the connecting portion 105. Further, a pair of elongated grooves 108 for making the movable beam portion 103 easily bendable is provided in a portion of the side frame piece 104b near each rib 106.

On the other hand, the fixed beam 102 and the movable beam 10
In the surface on the side of the opening window 101, locking grooves 109 and 110, which are tool mounting portions, for locking a pair of locking claws 29 protruding from both side surfaces of the switch body 10, are respectively provided at equal pitches by three pairs. It is provided. Therefore, by locking the locking claws 29 provided on the switch body 10 into the locking grooves 109 and 110, the switch body 10 is mounted on the plate frame 100 with the operation handle 38b exposed from the opening window 101. You can wear it. Here, the locking claws 2 of the switch body 10 are provided at the distal ends of the fixed beam portion 102 and the movable beam portion 103.
In order to guide the groove 9 into the locking grooves 109 and 110, the guide portions 111 and 111 each have a tapered surface inclined outward.
112 is provided. That is, as shown in FIGS. 9A and 9B, when attaching the switch body 10 of the switch device to the plate frame 100, the locking claws 2 of the switch body 10 are used.
When the switch body 10 is pushed from the back side to the front side of the plate frame 100 in a state in which the switch 9 is brought into contact with the tapered surfaces of the guide portions 111 and 112, the locking claws 29
By moving along the tapered surface of 112, the guide groove is smoothly guided by the guide portions 111 and 112.
9,110 can be locked.

Here, the opening window 101 of the plate frame 100
In order to limit the mounting position of the switch body 10 so that three switch bodies 10 can be mounted side by side along the longitudinal direction of the opening window 101,
Partition ribs 119 protrude near the locking grooves 109 and 110 of the movable beam portion 103 and the movable beam portion 103. These partitioning ribs 119 are provided with locking grooves 109, 1 provided with a total of three sets each of which is provided on the inner surface of the fixed beam portion 102 and the movable beam portion 103.
A pair is provided at an outer position of each of the sets 10 so as to protrude integrally with the plate frame 100. Since the partition rib 119 is provided at a position such that it comes into contact with at least a part of the side surface of the switch body 10 when the switch body 10 is mounted on the plate frame 100, the switch rib 10 is mounted on the plate frame 100. The rattling of the switch body 10 can be suppressed.

The fixing beam portion 102 is provided with an instrument removing hole 113 penetrating from the front side of the plate frame 100 between the locking grooves 109, and is provided with a tip portion such as a driver or a jig dedicated to removal. Is inserted into the instrument removing hole 113, and the switch body 10 is pushed toward the movable beam 103 by the tip of the jig.
03 can be bent, and the locking groove 1 on the fixed beam 102 side
The switch body 10 can be easily removed from the plate frame 100 by releasing the locked state between the switch 09 and the locking claw 29 of the switch body 10. In addition, on both sides of the cover 2,
An inclined portion 76 is formed, with which the tip of the jig inserted from the instrument removal hole 113 contacts, and the tip of the jig is inclined with the inclined portion 76.
With this configuration, a force for bending the movable beam portion 103 can be easily generated, and the switch body 10 can be easily removed.

By the way, the size of the opening window 101 is the same as the size of the switch body 10 shown in FIG. 2 when the size of the switch body 10 is defined as the reference size of the wiring device (hereinafter, this size is referred to as "one module size"). The switch body 10 is formed in a size that allows three switch bodies 10 each having a module size to be mounted side by side in a direction perpendicular to the longitudinal direction with the longitudinal direction substantially perpendicular to the longitudinal direction of the opening window 101. Similarly, the fixed beam portion 102 and the movable beam portion 103 of the plate frame 100
The pitch of each of the locking grooves 109 and 110 provided is equal to the pitch of the locking claws 29 protruding from the side surface of the switch body 10 having one module size. The above 1
The individual module size may be set to an appropriate value, and any wiring device suitable for such module size can be commonly attached to the plate frame 100.

A recess 115 is formed in each of both side pieces 114 facing the longitudinal direction of the plate frame 100, and the recess 115 is used for attaching the plate frame 100 to an embedding box (not shown). An elongated hole 116 for inserting a box screw, a screw insertion hole 117 for inserting a screw for attaching the plate frame 100 to a construction surface such as a wall surface, and a scissor fitting used for attaching to a wall panel or the like forming the construction surface. (Not shown) to hold scissors metal fitting hole 11
8 are provided.

A decorative plate 130 made of synthetic resin can be detachably attached to the front side of the plate frame 100. As shown in FIG. A substantially box-shaped main portion 131 and a side wall 132 projecting rearward from the periphery of the main portion 131 over the entire periphery are formed in a substantially box-like shape, and a locking projection 133 protruding rearward is provided on the plate frame 100. Is inserted and locked in the locking hole 120 of the plate frame 100 to be disposed on the front surface. At the approximate center of the main portion 131, an elongated window hole 1 facing the opening window 101 of the plate frame 100.
The operation handle 38b attached to the switch body 10 is exposed from the window hole 134.

Here, the dimension of the operating handle 38b in the short width direction (ie, the dimension along the short width direction of the window hole 134 of the decorative plate 130) is formed to be substantially the same as the short width direction dimension of the window hole 134. The longitudinal dimension of the operation handle 38b (that is, the dimension along the longitudinal direction of the window hole 134).
Is substantially the same as the longitudinal dimension of the window hole 134 (that is, 1).
The operation handle 38b.
The switch body 1 has the center in the direction along the longitudinal direction of the window hole 134 substantially coincident with the center of the switch body 10.
0, the switch body 10 is mounted on the fixed beam 1 of the plate frame 100 as shown in FIG.
02 and three sets of locking grooves 109 and 110 provided on the movable beam 103, respectively, and a pair of locking grooves 109 and 110 provided substantially at the center of the plate frame 100 in the longitudinal direction.
9 is locked and attached to the plate frame 100.

As described above, the operation handle 38b is formed such that the dimension in the short width direction is substantially the same as the dimension in the short width direction of the window hole 134, and the length in the longitudinal direction is substantially equal to the length dimension of the window hole 134. Since they are formed in the same size, the operation handle 38b can be formed in a sufficiently large size as compared with the reversing handle 30, and the operability of the switch device can be improved. Also, since the operation surface of the operation handle 38a looks large, the handle handle 45a extending in the longitudinal direction of the window hole 134 is attached to one end of the operation handle 38a, thereby making the operation handle 38a slim and compact (small). Show and look good.

The operation of the switch device will be briefly described below. As shown in FIG. 3, the operation handle 38b
And the reversing handle 30 is inclined downward to the right in the figure, so that the movable contact 24a contacts the fixed contact 59 and the movable contact 24b
Is pressed away from the fixed contact 61 (that is, the fixed contact plate 58 is electrically connected to the terminal plate 12 via the movable contact plate 19) and the left side of the operation handle 38b in the figure is pressed. The reversing handle 30 performs a reversing operation by a force pressing the operation handle 38b, so that the reversing handle 30 is inclined downward and leftward in FIG. The coil spring 32 warps to the right in the drawing in response to the reversing operation of the reversing handle 30, so that the coil spring 3
The movable contact plate 19 is moved to the fulcrum projection 22 in accordance with the degree of bending
, The movable contact 24a is separated from the fixed contact 59, the movable contact 24b contacts the fixed contact 61, and the fixed contact plate 60 is connected to the terminal plate via the movable contact plate 19. 12 is electrically connected. At this time, the reversing handle 30 keeps the state of being reversed by the spring force of the coil spring 32, and keeps the state where the movable contact 24b is in contact with the fixed contact 61.

On the other hand, the operating handle 38b and the reversing handle 30 are inclined leftward and downward in FIG. 3, the movable contact 24a is separated from the fixed contact 59, and the movable contact 24b is
When the right side of the operation handle 38b in the drawing is pressed in the state of being in contact with 1, the reversing handle 30 performs a reversing operation by a force pressing the operation handle 38b, and the state is inclined downward to the right in the drawing. The coil spring 32 warps to the left in the drawing in accordance with the reversing operation of the reversing handle 30, so that the coil spring 3
The movable contact plate 19 is moved to the fulcrum projection 22 in accordance with the degree of bending
3, the movable contact 24b is separated from the fixed contact 61, the movable contact 24a contacts the fixed contact 59, and the fixed contact plate 58 is connected to the terminal via the movable contact plate 19. It is electrically connected to the plate 12. At this time, the reversing handle 30 keeps the reversing state by the spring force of the coil spring 32, and keeps the movable contact 24a in contact with the fixed contact 59. A pair of substantially V-shaped ribs 75 protruding rearward are provided on the back surface of the main portion 74a of the operation handle 38b, and when the end of the operation handle 38b is pressed, the tip of the rib 75 is covered. 2, the operating handle 38b can be prevented from sinking into the switch body 10.

(Embodiment 2) A switch device according to this embodiment will be described with reference to FIGS. In the first embodiment, a case where one switch device is attached to the plate frame 100 has been described. In the present embodiment, a case where two switch devices are provided side by side on the plate frame 100 will be described. Since the configuration other than the body 2 and the operation handle 38e is the same as that of the first embodiment, the same components are denoted by the same reference numerals and description thereof will be omitted.

When the switch body 10 is mounted on the upper and lower mounting positions of the opening window 101 of the mounting frame 100 as shown in FIGS. 40 to 42, the switch device mounted on the upper mounting position in FIG. Then, FIG.
42, the operation handle 38 is attached to the switch body 10 with the center of the operation handle 38 shifted downward from the center of the switch body 10 in the short width direction. In the switch device mounted at the position, as shown in FIG. 41, the operation handle 38 is attached to the switch body 10 in a state where the center of the operation handle 38 is shifted upward in the figure from the center of the switch body 10 in the short width direction. I have. Therefore, the mounting position of each switch device is limited to the upper or lower mounting position in FIG. 42.
(2) It is necessary to prepare a dedicated operation handle 38 for each switch device mounted at the upper or lower mounting position in the middle, so that there is a problem that the cost is increased. Therefore, in the switch device of the present embodiment, of the three adjacent locking grooves 109 and 110 provided in the side frame pieces 104a and 104b of the plate frame 100, the locking grooves 109 and 11 on both sides.
By locking the locking claw 29 at 0, the mounting can be performed at any of the upper and lower mounting positions of the plate frame 100.

In the switch device of this embodiment, the window 13
In a state in which the center position of the switch body 10 in the direction along the longitudinal direction of the switch 4 coincides with the center position of the operation handle 38e, the locking claws 29 are attached to the cover 2 at a mounting pitch such that the switch body 10 is mounted on the plate frame 100. Protruding from both sides. That is, two sides of three adjacent locking grooves 109 and 110 provided in the fixed beam part 102 and the movable beam part 103 of the plate frame 100 are respectively provided on the step parts 28 provided at both ends of the front surface of the cover 2. And two locking claws 29 for locking with the locking grooves 109 and 110 respectively, and three adjacent locking grooves 10 are provided.
Any one of two adjacent locking grooves 10 out of 9, 110
Two pairs of grooves 50 into which a pair of partitioning ribs 119 provided between 9, 9 and 110 respectively enter are provided.
In addition, the operation handle 38e has a dimension in the direction along the longitudinal direction of the window hole 134 of the decorative plate 130 formed to be approximately half the longitudinal dimension of the window hole 134. Switch body 1 in the direction along the direction
The operation handle 38e is attached to the switch main body 10 so that the center of 0 and the center of the operation handle 38e substantially coincide with each other.

Note that, on both side surfaces of the cover 2, the inclined portions 76 with which the tips of the jigs inserted through the instrument removing holes 113 abut.
When the tip of the jig comes into contact with the inclined portion 76, a force to bend the movable beam portion 103 can be easily generated, and the switch body 10 can be easily removed. . The inclined portion 76 is connected to the switch body 1
0, the end of the jig surely contacts the inclined portion 76 regardless of the mounting position of the switch body 10 at the mounting position of the switch body 10. Can be easily removed.

As shown in FIG. 17, when two switch bodies 10 according to the present embodiment are mounted side by side along the longitudinal direction of the plate frame 100, the switch body 10 mounted at the upper position in FIG. Of the three sets of locking grooves 109 and 110 provided in the movable beam portion 103, the locking groove 1 on the upper side of the set provided on the upper side in the drawing.
09 and 110, and locking claws 29 protruding from both side surfaces of the switch body 10 are locked in the locking grooves 109 and 110 on the upper side of the set provided in the center provided in the figure. It is attached to the frame 100. On the other hand, in the switch body 10 mounted at the lower position in the figure, the locking grooves 109, 110 on the lower side in the set provided at the center in the figure.
And the lower locking groove 1 in the set provided on the lower side in the figure.
The locking claws 29 protruding from both side surfaces of the switch body 10 are locked to the switch frame 09 and 110, respectively.
0 is attached. At this time, two partition ribs 119 provided between each pair of the locking grooves 109 and 110 are provided.
Enters the groove 50 provided in the step portion 28, so that the partition rib 119 does not interfere and the switch body 10 cannot be mounted.

On the front surface of the operation handle 38e, a groove 41 is formed which runs in the direction along the longitudinal direction of the window hole 134 of the decorative plate 130, and the groove 41 has a handle line 45e made of a long plate. Is attached. Groove 41
Holes 43a, 4 penetrating the operation handle 38 at both ends of the
3b is formed, and a recess 44 is formed in the back of one hole 43a. Further, as shown in FIG. 16A, a groove 41 is provided on one side of the handle line 45e in the short direction.
A protrusion 47 is provided on one end side of the boss to be engaged with a recess 44. A locking claw piece 48 protruding rearward is provided at a portion corresponding to the hole 43b on both longitudinal edges of the handle line 45e, and a claw 49 protruding outward is provided at the tip of the locking claw piece 48. It is protruding. Thus, when attaching the handle line 45e to the operation handle 38e, first, as shown in FIG.
The protrusion 47 of 5e is inserted into the hole 43a of the operation handle 38e, and the handle 47
Is rotated in the direction of the arrow in FIG. 16B, and the locking claw 48 of the handle line 45e is inserted into the hole 43b, and the claw 49 provided at the tip of the locking claw 48 and the end of the hole 43b. By locking the rim, the handle line 45e is attached to the operation handle 38e.

As described above, when attaching the handle line 45e to the operation handle 38e, the handle line 45e
e is inserted into the hole 43a of the operation handle 38e, and the other end of the handle line 45e is pushed into the front surface of the operation handle 38d by using the protrusion 47 as a fulcrum. Since it is attached to the operation handle 38e, the handle line 45e
Can be prevented from being rotated to make the mounting operation difficult.

As described above, the size of the operation handle 38e in the direction along the longitudinal direction of the window hole 134 of the decorative plate 130 is formed to be approximately half the longitudinal size of the window hole 134. Since the operation surface of the operation handle 38e is wide, the operability of the switch device can be improved. The operation handle 38e has a window hole 134.
Since the handle line 45e is attached along the longitudinal direction, the appearance of the operation handle 38e can be improved.

(Embodiment 3) In Embodiment 1, the case where one switch device is attached to the plate frame 100 has been described.
The case where two switch devices are arranged side by side will be described. In the switch device of the present embodiment, as shown in FIGS. 18A to 18C, the size of the operation handle 38h in the direction along the longitudinal direction of the window hole 134 of the decorative plate 130 is
4 are formed to be approximately one third of the length in the longitudinal direction. As shown in FIG. 11B, three switch devices can be mounted in the longitudinal direction of the plate frame 100. A groove running along the longitudinal direction of the window hole 134 is formed at one end of the operation handle 38h, and a handle line 45h is mounted in the groove. Except for the dimensional relationship between the operation handle 38h and the handle line 45h, the switch device is the same as the switch device of the first embodiment, and a description thereof will be omitted.

(Embodiment 4) Embodiment 4 of the present invention is shown in FIG.
This will be described with reference to FIGS. In the switch device of the present embodiment, in the switch device of the first embodiment, the lighting display unit 52 that is turned on / off according to the contact state of the contact unit 8.
Is provided. FIG. 19 is an exploded perspective view of this switch device.
FIG. 20 (a) is a front view, and FIG. 20 (b) is a side view.
FIG. 20C shows a bottom view, and FIG. 21 shows a cross-sectional view. FIG. 22A is a front view showing a state in which a handle line 45a is attached to an operation handle 38b used in this switch device, FIG. 22B is a side view, and FIG. FIG. 22D is a cross-sectional view of −A ′,
FIG. 22E shows a cross-sectional view taken along line BB ′. The same components as those of the switch device according to the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

In this switch device, a lighting display unit 52 that lights up when a load (for example, an illumination load) that is turned on and off in accordance with the contact state of the contact unit 8 to turn off and displays the location of the switch device is incorporated in the reversing handle 30. The neon lamp 53 of the lighting display unit 52 faces the opening 34 formed in the front surface of the reversing handle 30. The prism 55b has an elongated convex portion 62 inserted into the hole 54 formed in the groove 41 of the operation handle 38b, and in a state where the convex portion 62 is inserted into the hole 54 from the back side of the operation handle 38b, The prism 55b is swaged and fixed to the operation handle 38b. A long hole 46 through which the convex portion 62 is inserted is formed in the handle line 45a attached in the groove 41 of the operation handle 38b.
When the handle line 45a is attached to the operation handle 38b to which the prism 55b is caulked and fixed, the prism 5 is inserted through the long hole 46 of the handle line 45a.
The protrusion 62 of 5b is exposed on the front side. Thus, when the operation handle 38b is attached to the reversing handle 30, the incident surface 57 of the prism 55b is arranged to face the neon lamp 53, and the light of the neon lamp 53 incident from the incident surface 57 is refracted in the prism 55b. Thus, when the load is turned off, the position of the switch device can be displayed. In addition, since the distal end surface of the convex portion 62 is formed flat, and the distal end surface of the convex portion 62 and the surfaces of the operation handle 38b and the handle line 45a are substantially flush,
The appearance of the operation handle 38b is improved.

Here, the board 52a on which components such as the neon lamp 53 constituting the lighting display section 52 are mounted is provided with elastic contact sections 63a and 64a which are in elastic contact with electrodes (not shown) provided on the back surface of the board 52a. Are electrically connected between the fixed terminal plates 58 and 60 via conductive members 63 and 64 having a power supply, and when the load is turned off, power is supplied to the lighting display unit 52 via the conductive members 63 and 64 and the neon lamp 53 is supplied. Lights up.
The light of the neon lamp 53 enters the incident surface 57 of the prism 55b, is refracted in the prism 55b and is emitted to the outside from the convex portion 62, and can display the position of the switch device when the load is off.

The switch device according to the present embodiment uses the same operation handle 38b as the switch device according to the first embodiment. By sharing the operation handle 38b, the number of types of components is reduced and cost is reduced.

(Embodiment 5) FIG. 2 shows Embodiment 5 of the present invention.
This will be described with reference to FIGS. In the present embodiment, the lighting display unit 52 described in the fourth embodiment is provided in the switch device of the second embodiment. FIG. 23 is an exploded perspective view, FIG. 24 (a) is a front view, FIG. 24 (b) is a side view, FIG. 24 (c) is a bottom view, and FIG. 25 is a sectional view of this switch device. . FIG. 26A is a front view showing a state in which a handle line 45d is attached to an operation handle 38e used in this switch device, and FIG.
FIG. 26C shows a back view, FIG. 26C shows a cross-sectional view taken along the line AA ′, and FIG. 26E shows a cross-sectional view taken along the line BB ′. Note that the same components as those of the switch device according to the second or fourth embodiment are denoted by the same reference numerals, and description thereof will be omitted.

The operation handle 38e is connected to the decorative plate 13
0 in the direction along the longitudinal direction of the window hole 134 is the window hole 1
The operating handle 38e has a groove 41 running in the longitudinal direction of the window hole 134 at one end thereof. At approximately the center in the longitudinal direction of the groove 41 of the operation handle 38e,
An elongated hole 54 penetrating the operation handle 38e is provided. Similarly to the fourth embodiment, the operation handle 38e has a projection 6 into the hole 54 from the back side of the operation handle 38e.
With the 2 inserted, the prism 55b is caulked and fixed,
When the operation handle 38e is attached to the reversing handle 30, the incident surface 57 of the prism 55b
Are arranged opposite to each other. A long hole 46 through which the convex portion 62 of the prism 55b is inserted is formed in the handle line 45d attached to the groove 41 of the operation handle 38e, and the handle line 45d is fixed to the operation handle 38e to which the prism 55b is swaged and fixed. Is attached, the projection 62 of the prism 55b is exposed to the front from the long hole 46 of the handle line 45d. Thus, the light of the neon lamp 53 incident from the incident surface 57 is refracted in the prism 55b and emitted to the outside from the convex portion 62, so that the position of the switch device can be displayed when the load is off.

The switch device of the present embodiment uses the same operation handle 38e as the switch device of the second embodiment, and uses the same prism 55b as the switch device of the fourth embodiment.
By reducing the number of parts, the cost is reduced.

(Embodiment 6) Embodiment 6 of the present invention is shown in FIG.
This will be described with reference to FIG. In the present embodiment, the lighting display unit 52 described in the fourth embodiment is provided in the switch device of the third embodiment. Note that the same components as those of the switch device according to the third or fourth embodiment are denoted by the same reference numerals, and description thereof will be omitted.

In this switch body, the decorative plate 13
Operation handle 3 in the direction along the longitudinal direction of window hole 134
The size of 8h is formed to be approximately one-third the size of the longitudinal direction of the window hole 134, and a groove (not shown) running on the one end side of the operation handle 38h in the direction along the longitudinal direction of the window hole 134.
Is formed, and a handle line 45g is attached in this groove. An operation handle 38h is attached to the handle line 45g.
A long hole 46 is formed through which the convex portion 62 of the prism 55b fixed by swaging is inserted.
Is attached to the operation handle 38h, the prism 55b
Of the handle line 45g is exposed to the front side from the long hole 46 of the handle line 45g. Thus, the light of the neon lamp accommodated in the reversing handle 30 is refracted in the prism 55b and emitted to the outside from the convex portion 62, so that the installation position of the switch device can be displayed when the load is turned off. .

In the switch device of the present embodiment, the same operation handle 38h as that of the switch device of the third embodiment is used, and the same prism 55b as that of the fourth embodiment is used. The operation handle 38h and the prism 55b are shared. The number of types of parts has been reduced to reduce costs.

(Embodiment 7) A switch device according to this embodiment will be described with reference to FIGS. In the present embodiment, in order to display the name and use of the switch device,
In the switch device of the first embodiment, a name card 65, which is a display member on which character information such as the name and use of the switch device is displayed, is attached to the operation handle 38b ', so that the user can easily determine the name and use of the switch device. Like that. The same components as those of the switch device according to the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIGS. 30 (a) to 30 (c), a recess 66 which is one step lower is formed in a portion other than the groove 41 on the front surface of the operation handle 38b ', and the recess 66 is substantially formed in the longitudinal direction. At the center, a card storage recess 69 which is a display member storage recess which is one step lower than the recess 66 is formed. Card storage recess 69 at the end face of recess 66
Recesses 70, 70 are formed at both sides to enter inside from the end face of the recess 66, and the recesses 70, 70 communicate with the back side of the operation handle 38 b ′. Further, at the positions symmetrical with respect to the card storage recess 69 on the end face of the recess 66 on the side of the groove 41, the concave grooves 67, 6 which enter inside from the end face of the recess 66.
The recesses 67 communicate with the back side of the operation handle 38b '. The groove 67 penetrating the operation handle 38b 'is located symmetrically with respect to the card storage recess 69 on the end face of the recess 66 opposite to the groove 41.
Larger through holes 68, 68 are formed.

A substantially rectangular name cover 71 made of a transparent resin is detachably attached to the recess 66 of the operation handle 38b '. As shown in FIGS. 31 (a) to 31 (c), convex portions 72, 72 protruding laterally are provided at portions corresponding to the concave grooves 67, 67 in the name cover 71. Through holes 68, 68
Locking claw pieces 73, 73 as locking means protruding to the rear side protrude from the portion corresponding to.

As described above, in the operation handle 38b 'having the recess 66 to which the name card 65 is attached, the thickness of the front surface is increased by the amount of the recess 66, and as shown in FIGS. When the thickness D1 of the handle 30 is large, there is no gap between the front surface of the reverse handle 30 and the back surface of the handle 38 when the operation handle 38 is attached to the reverse handle 30.
Operating handle 38b 'having a recess 66 in which the housing 5 is stored
Cannot be attached, but in this embodiment, FIG.
By sufficiently reducing the thickness D1 of the reversing handle 30 as shown in FIG.
In a state where the operation handle 38b is attached to the front side, a space for attaching the name card 65 can be secured between the front surface of the reversing handle 30 and the back surface of the operation handle 38b, and a recess for accommodating the name card 65 can be secured. An operating handle 38b 'having a location 66 can be attached to the reversing handle 30.

Here, when attaching the name card 65 to the operation handle 38b ', first, as shown in FIGS. 32 (a) to 32 (e), one end of the name card 65 is inserted into one concave portion 70. After that, the name card 65 is bent, and the other end of the name card 65 is inserted into the other concave portion 70, whereby the name card 65 can be easily attached. Then, after the name card 65 is mounted in the card storage recess 69, as shown in FIGS. 33A to 33C, first, the convex portion 72 of the name cover 71 is inserted into the concave groove 67, and then the convex portion is formed. When the locking claw 73 side of the name cover 71 is pushed from the front side of the operation handle 38b 'with the 72 as a fulcrum, the locking claw 73 is inserted into the through hole 68, and the force for pushing the name cover 71 into the operation handle 38b'. As a result, the locking claw 73 is bent inward, the claw 73a of the locking claw 73 enters the back side of the operation handle 38b ', and the claw 73a is
The name cover 71 is attached to the operation handle 38b 'by engaging with the edge of the handle 8. Note that the card storage recess 69 in which the name card 65 is arranged is one step lower than the bottom surface of the recess 66, so that the position of the name card 65 is less likely to shift.

On the other hand, when removing the name cover 71,
As shown in FIGS. 34A to 34C, the name cover 71
When the locking claw 73 is bent in the direction of the arrow in FIG. 34A, the locking state between the claw 73a and the edge of the through hole 68 is released, and in this state, the locking claw 73 is moved to the operation handle. When the front cover 38b 'is pushed, the name cover 71 rotates clockwise in the drawing with the convex portion 72 as a fulcrum, and the locking claw 73 comes off the through hole 68, so that the name cover 71 can be easily moved from the operation handle 38b'. Can be removed.

In this embodiment, the operating handle 38b 'in the direction along the longitudinal direction of the window hole 134 of the decorative plate 130 is provided.
Are formed to have substantially the same size as the longitudinal dimension of the window hole 134, but as shown in FIGS. Alternatively, it may be formed to have a size approximately one third of the longitudinal size of the window hole 134. Further, an operation handle provided with a recess 66 for accommodating a name card 65 may be used in the switch device of the second to sixth embodiments, and the mounting structure of the name card 65 is the same as described above. Omitted.

[0071]

As described above, the first aspect of the present invention comprises a first terminal plate connected to an external electric wire, a pair of second terminal plates connected to different external electric wires, and a pair of movable contacts. An opening / closing member having a pair of second terminal plates and being selectively contacted / opened in accordance with the inverting operation of the opening / closing member. A contact portion having a fixed contact to be separated and a pair of locking springs formed of a conductive material and elastically holding a core of an electric wire between the pair of second terminal plates are housed inside the switch body. At the same time, each locking spring made of an insulating material is simultaneously pressed in a direction away from the corresponding second terminal plate in a portion between the storage portions of the respective second terminal plates inside the switch body. Equipped with a release button to release the connection status of The release button is provided with an insulating wall for securing an insulation distance between the pair of second terminal plates and the pair of lock springs, and the release buttons respectively correspond to the pair of lock springs. By simultaneously pressing in the direction away from the terminal plate, the wires elastically clamped between the locking spring and the second terminal plate can be simultaneously removed, and the release button has a pair of second Since an insulating wall is provided for ensuring an insulating distance between the terminal plates and between the pair of locking springs, a large insulating distance is provided between the second terminal plates to which different external electric wires are connected by the insulating wall. This has the effect of improving insulation performance.

According to a second aspect of the present invention, in the first aspect of the present invention, there is provided an attachment which is detachably engaged with a device mounting portion of a mounting frame having an elongated window having a plurality of device mounting portions in a longitudinal direction and having an opening window. The means is provided on the switch body, and the external dimension in the short width direction of the switch body is formed to be a dimension obtained by dividing the longitudinal dimension of the opening window by the number of instrument mounting portions, using a ready-made mounting frame. Since the external dimensions in the short width direction of the switch main body are formed by dividing the longitudinal dimension of the opening window by the number of the fixtures, the switch main body can be provided with other components. There is an effect that it can be mounted on the mounting frame together with the wiring device.

According to a third aspect of the present invention, in the second aspect of the present invention, an elongated window hole facing the opening window is provided in the window hole of the decorative plate disposed in front of the mounting frame. An operation portion for performing a switching operation of the contact portion is provided in a portion of the switch body, and a dimension in a direction along a short side direction of the window is formed to be substantially the same as a dimension in a short side direction of the window.
And an operation in which the dimension in the direction along the longitudinal direction of the window is formed to be an integral number with the number of switch bodies attached to the mounting frame as a denominator with respect to the dimension in the longitudinal direction of the window. A handle is attached to the operation portion, and the operation handle is formed such that a dimension in a direction along a short side direction of the window hole of the decorative plate is substantially the same as a dimension in a short side direction of the window hole. Since the size in the direction along the longitudinal direction of the hole is formed to be an integer fraction of the number of the switch bodies attached to the mounting frame with respect to the longitudinal dimension of the window hole, the operation of the switch body is performed. The size of the operation handle can be made larger than that of the part, and the operability of the switch device can be improved and the appearance can be improved.

According to a fourth aspect of the present invention, in the third aspect of the present invention, a groove running along the longitudinal direction of the window hole is provided on one side of the front surface of the operation handle, and the elongated shape is attached in the groove. A plate piece is provided, and on one side in the short direction of the plate piece, a concave / convex locking portion is provided for engaging the concave / convex locking portion provided in the groove, and on both sides in the longitudinal direction of the plate side. A locking portion for locking the locked portion provided in the groove is provided, and a plate running along the longitudinal direction of the window hole is attached to a front surface of the operation handle. The operating handle can be made slim and compact (small) to improve its appearance, and when attaching the plate to the operating handle, first of all, the uneven locking portion provided on one side of the short side of the plate is covered. After engaging the concave / convex on the concave / convex locking section, operate the other side of the By Squeezing in, because the engaging portion can be easily attached to the engaged portion, there is an effect that facilitates the mounting operation of the plate pieces.

According to a fifth aspect of the present invention, in the third aspect of the present invention, the thickness of the operation portion is formed such that a space for accommodating a name card is provided between the operation portion and the operation handle. By providing a space for accommodating a name card between the operation unit and the operation handle, the operation handle with the name card attached can be used, and the display of the name card can be used for the switch device. There is an effect that the name and the name can be easily determined.

According to a sixth aspect of the present invention, in the third aspect of the present invention, a recess is provided on the front surface of the operation handle, and the bottom of the recess has a card storage which is one step lower than the bottom surface on which the name card is arranged. A recess is provided, a groove is provided on one end surface of the recess, a through hole is provided on the other end surface of the recess, and the groove is provided on one end side of a name cover detachably attached to the recess. In addition to providing a convex portion to be inserted, a locking means for locking to an edge of the through hole is provided on the other end side of the cover, and a card storage recess in which a name card is arranged is a recess of the recess. The position of the name card stored in the card storage recess does not shift because it is one step lower than the bottom, and the name cover locks the convex part with the concave groove of the concave and the locking means Detachable to recess by locking with through hole Since mounted on standing, attachment and detachment work of the recesses in the name cover easy to, there is an effect that also it is possible to easily deal with a replacement of the name card.

According to a seventh aspect of the present invention, in the third aspect of the present invention, the operation handle is removably locked to a locked portion provided on the operation portion on a surface of the operation handle facing the operation portion. The locking means is provided, and by locking the locking means of the operation handle and the locked portion of the operation section, the operation handle is detachably attached to the operation section, so that the operation handle can be attached and detached. Can be easily performed,
There is an effect that the operation handle can be easily exchanged.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a switch device according to a first embodiment.

FIG. 2 shows the switch device of the above, wherein (a) is a front view,
(B) is a side view, and (c) is a bottom view.

FIG. 3 is a cross-sectional view showing the same switch device.

4A and 4B show an operation handle used for the switch device of the above, wherein FIG. 4A is a front view, FIG. 4B is a side view, FIG. 4C is a rear view, and FIG.

FIGS. 5A and 5B are diagrams illustrating a method of attaching a handle line used in the switch device to the operation handle.

FIGS. 6A and 6B are diagrams illustrating a method of attaching an operation handle.

FIGS. 7A to 7C are diagrams for explaining a method of removing an operation handle.

8A and 8B show a plate frame used for attaching the above switch device to a construction surface, wherein FIG. 8A is a front view and FIG. 8B is a rear view.

FIGS. 9A and 9B are diagrams illustrating a method of attaching the switch device to the plate frame.

10A and 10B show a decorative plate attached to the plate frame of the above, wherein FIG. 10A is a perspective view seen from the front side, and FIG. 10B is a perspective view seen from the back side.

FIGS. 11A and 11B are diagrams illustrating a state where the switch device is mounted on a plate frame.

FIG. 12 is an exploded perspective view showing the switch device according to the second embodiment.

13A and 13B show the same switch device, wherein FIG. 13A is a front view, FIG. 13B is a side view, and FIG. 13C is a bottom view.

FIG. 14 is a sectional view showing the switch device of the above.

15A and 15B show an operation handle used in the switch device of the above, wherein FIG. 15A is a front view, FIG. 15B is a side view, FIG. 15C is a rear view, and FIG.

FIGS. 16 (a) and (b) are diagrams for explaining a method of attaching a handle line used for the switch device to the operation handle.

FIG. 17 is a diagram illustrating a state where the above switch device is attached to a plate frame.

18A and 18B show a switch device according to a third embodiment, wherein FIG. 18A is a front view, FIG. 18B is a side view, and FIG.

FIG. 19 is an exploded perspective view illustrating a switch device according to a fourth embodiment.

FIGS. 20A and 20B show the same switch device, wherein FIG. 20A is a front view, FIG. 20B is a side view, and FIG.

FIG. 21 is a sectional view showing the switch device of the above.

22A and 22B show operation handles used for the switch device of the above, wherein FIG. 22A is a front view, FIG. 22B is a side view, FIG. 22C is a rear view, FIG. Is a BB 'sectional view.

FIG. 23 is an exploded perspective view showing the switch device of the fifth embodiment.

24 (a) is a front view, FIG. 24 (b) is a side view, and FIG. 24 (c) is a bottom view.

FIG. 25 is a sectional view showing the switch device of the above.

26 (a) is a front view, FIG. 26 (b) is a side view, FIG. 26 (c) is a rear view, FIG. 26 (d) is an AA ′ cross-sectional view, and FIG. Is a BB 'sectional view.

27A and 27B show a switch device according to a sixth embodiment, wherein FIG. 27A is a front view, FIG. 27B is a side view, and FIG. 27C is a bottom view.

FIG. 28 is an exploded perspective view showing the switch device of the seventh embodiment.

29A and 29B show the switch device of the above, wherein FIG. 29A is a front view, FIG. 29B is a side view, and FIG. 29C is a bottom view.

FIGS. 30A and 30B show the operation handle used in the embodiment, in which FIG. 30A is a front view, FIG. 30B is a sectional view taken along line AA ′, and FIG.

FIGS. 31A and 31B show the name cover used in the embodiment, in which FIG. 31A is a front view, FIG. 31B is a side view, and FIG.

FIGS. 32 (a) to (e) are views for explaining a method of attaching the name card used in the above.

33 (a) to (c) are views for explaining a method of attaching the name cover used in the above.

34 (a) to (c) are diagrams for explaining a method of removing the name cover used in the above.

35A and 35B show a reversing handle used in the above, wherein FIG. 35A is a front view, FIG. 35B is a side view, and FIG. 35C is a bottom view.

36A and 36B show another switch device of the above, wherein FIG. 36A is a front view, FIG. 36B is a side view, and FIG.

FIG. 37 is a front view showing an operation handle of a comparative example.

38A and 38B show a handle line of a comparative example, in which FIG. 38A is a front view, FIG. 38B is a side view, and FIG.

FIGS. 39A to 39D are diagrams illustrating a method of attaching a handle line to an operation handle according to a comparative example.

FIGS. 40A and 40B show a switch device of a comparative example, in which FIG. 40A is a front view and FIG. 40B is a side view.

41A and 41B show a switch device of a comparative example, in which FIG. 41A is a front view, and FIG. 41B is a side view.

FIG. 42 is a view showing a state where the switch device of the comparative example is mounted on a plate frame.

43A and 43B show a reversing handle of a comparative example, in which FIG. 43A is a front view, FIG. 43B is a side view, and FIG.

FIG. 44 is a cross-sectional view showing a mounted state of the reversing handle of the comparative example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 7 Contact storage room 8 Contact part 9 Terminal storage room 12 Terminal plate 15 Lock spring 17 'Release button 17b Insulating wall 19 Movable contact plate 24a, 24b Movable contact 58, 60 Fixed contact plate 59, 61 Fixed contact

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) H01H 23/24 H01H 23/24 D (72) Inventor Hiroyuki Tateishi 1048 Ojimonzuma, Kadoma, Osaka Pref. Matsushita Electric Works, Ltd. (72) Inventor Masami Hayafune 1048 Kadoma Kadoma, Kadoma-shi, Osaka Pref. Inside Matsushita Electric Works Co., Ltd. CB01 DA07 5G052 AA01 AA12 AA14 AA22 BB03 HA02 HA13 HB05 HC03 JA02 JB13

Claims (7)

[Claims] 1. A first terminal plate connected to an external electric wire, a pair of second terminal plates connected to different external electric wires, and a pair of movable contacts, the first terminal plate being in contact with the first terminal plate. An opening / closing body that inverts in a state, a contact portion provided with a fixed contact provided on each of the pair of second terminal plates and selectively contacting / separating with each movable contact according to the inverting operation of the opening / closing body; A pair of locking springs, which are made of a conductive material and elastically clamp the core wires of the electric wires between the pair of second terminal plates, are provided inside the switch body, and each of the second locking springs inside the switch body is A release button for releasing the connection state of the electric wire by simultaneously pressing the locking springs formed of an insulating material in a direction away from the corresponding second terminal plate, at a portion between the housing portions of the terminal plates. Mounted, a pair of second terminal plates and a pair of chains Switch device being characterized in that an insulating wall for securing an insulation distance between the spring release button. 2. A switch body, wherein the switch body is provided with mounting means for releasably engaging with an instrument mounting portion of a mounting frame having an elongated window having a plurality of instrument mounting portions in a longitudinal direction. 2. The switch device according to claim 1, wherein an external dimension in a direction is formed by dividing a longitudinal dimension of the opening window by the number of fixtures. 3. A switching operation of a contact portion at a portion of a switch body provided in the window hole of a decorative plate having an elongated window hole facing the opening window and disposed in front of the mounting frame. An operation unit for performing the operation is provided, and a dimension in a direction along a short side direction of the window is formed to be approximately the same as a dimension in a short side direction of the window, and a direction along a longitudinal direction of the window is provided. An operation handle having a dimension that is a fraction of the number of the switch bodies attached to the attachment frame with respect to the length of the window hole in the longitudinal direction is attached to the operation unit. 3. The switch device according to claim 2, wherein 4. A groove running along the longitudinal direction of the window hole is provided on one side of the front surface of the operation handle, and a long plate piece attached in the groove is provided. A concave / convex locking portion for providing concave / convex locking with the concave / convex locking portion provided in the groove on one side, and a locked portion provided in the groove on both longitudinal sides of the plate side; The switch device according to claim 3, further comprising a locking portion for locking. 5. The operation unit according to claim 3, wherein a thickness dimension of the operation unit is such that a space for accommodating a name card is provided between the operation unit and the operation handle.
The switch device according to any one of the preceding claims. 6. A recess is provided on the front surface of the operation handle, and a card storage recess is provided on the bottom surface of the recess, the card storage recess being one step lower than the bottom surface on which the name card is arranged, and one end face of the recess is provided. A concave groove is provided, a through hole is provided in the other end surface of the concave portion, and a convex portion inserted into the concave groove is provided on one end side of the name cover detachably attached to the concave portion, and a cover is provided. 4. The switch device according to claim 3, wherein a locking means for locking the edge of the through hole is provided on an end side. 7. A locking means provided on a surface of the operation handle facing the operation portion, the locking means being adapted to be releasably locked with a locked portion provided on the operation portion. Item 3
The switch device according to any one of the preceding claims.