JP2732550B2 - Switch device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch device. 2. Description of the Related Art A conventional switch device has a configuration in which an operation handle provided on a switch main body is used as it is for a wall switch because only one practical point is used.
For this reason, another large operation handle is attached to the operation section provided on the switch body, and operability is good, and even if a large operation handle is used, a single plate body can be used for the number of switch bodies. What can be used has been demanded. [0003] Further, the plate portion is also required to have a high-class feeling. However, when the operation handle is different from the operation portion of the switch body as described above, or when a configuration using a cover is employed. However, there is a problem in that the plate portion becomes thick, lacks smartness, and impairs a sense of quality. SUMMARY OF THE INVENTION [0004] The present invention has been made in view of the above points, and an object of the present invention is to use a plate and a mounting frame of a single specification in common, of the switch body can be attached to one or a plurality optionally, together with the operating handle is good greater operability than the switch body, specifically precise display can, moreover the <br/> switch device which gives exclusive image To offer. SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a mounting frame provided with an elongated window at an intermediate portion and having a plurality of instrument mounting portions in a longitudinal direction, and a short frame. The external dimension in the direction is formed by dividing the length in the longitudinal direction of the opening window by the number of the fixtures, has an operation unit and a display element on the front surface, and is attached to the attachment means of the attachment frame. A plurality of switch bodies, and an elongated window hole which is formed in the longitudinal direction and is larger than the longitudinal size of the opening window so as to face the opening window so as to cover the mounting frame.
A plate portion that will be placed on the dimensions in a direction along the longitudinal direction of the window opening is an integer fraction of a denominator and the number of the switch body attached to the attachment frame with respect to the longitudinal dimension of said window opening An operating handle formed in the size of 1 and having a display window optically facing the display element, and opposed to a switch body disposed in a window hole of the plate portion ; A groove for dividing the portion into a front portion and a rear portion is formed on the outer surface of the side peripheral wall of the plate portion over the entire circumference. According to the present invention, it is possible to use a mounting frame, a plate portion, and a switch body for a common specification with one or a plurality of switch bodies, and to provide an accurate display. In addition, it is possible to provide a switch device having an operation body larger than the switch body and having good operability. Therefore, the operation can be performed easily and comfortably for elderly people and children. [0007] Mounting frame, the plate portions, since they can be used by all the switch body common, can be provided at low cost. Furthermore,
Grooves that divide the plate part into front and rear parts are formed on the entire outer surface of the side peripheral wall of the plate part, so that even if the plate part becomes thick, the groove makes the plate part thin and smart. And a switch device having a large operation handle and giving a high-quality image can be realized. Hereinafter, the present invention will be described with reference to examples. In the drawing, reference numeral 1 denotes a metal mounting frame having rigidity and high strength, and elliptical mounting holes 3 are drilled at both ends, respectively.
A hole 4 for positioning is formed at a position corresponding to the oblique direction. The mounting hole 3 is for inserting a screw 2 for arranging and defining a switch body 7 and an operation handle 6 described later on the embedding box X and the construction surface W. At both ends in contact with the large opening window 61 at the center of the mounting frame 1, fulcrum pieces 5 that are bent upward and protrude are formed, and a convex auxiliary fulcrum 5a is formed at the center of the upper end surface of the fulcrum piece 5. It is protruding. The auxiliary fulcrum 5a serves as a fulcrum for moving the operation handle 6 to both sides seesaw when the lower surface of the operation handle 6 of the switch body 7 abuts. As shown in FIG. 2 , both ends of the mounting frame 1 are bent downward, and the bent portion 1b has a shape with a large section modulus in order to prevent deformation during screw tightening and warpage in the hand direction. It is for obtaining. The switch body 7 in the opening window 61 of the mounting frame 1 is housed and arranged in a manner to be nipped. Numerals 8 are screw holes formed on both sides of the mounting frame 1, and assembly screws 9 for fixing the switch body 7 to the mounting frame 1 are screwed into the holes. Reference numeral 10 denotes an operating body which constitutes an operating section of the switch main body 7. This operating body 10 forms a so-called boss for fitting, and a square rib 12 protrudes from the center of a concave chamber 13 having an open upper surface. ing. As shown in FIG. 3 , each of the ribs 12 has a groove 11 having an open top and side surfaces.
Reference numeral 24 denotes a rectangular frame-shaped lower frame which is slightly larger than the mounting frame 1 and is located below the mounting frame 1, and an opening 25 at the center of the lower frame 24 is for passing the switch body 7. In addition, contact portions 26 on which both ends of the mounting frame 1 are placed are formed at both ends of the lower frame 24. The opening 25 has a width 25a and a length b.
Has a horizontal dimension c larger than a and a vertical dimension d smaller than b. A projection 26a that fits into the hole 4 of the mounting frame 1 is formed on the contact portion 26 of the lower frame 24,
The fitting of the projections 26a and the holes 4 positions the mounting frame 1 and the lower frame 24 at regular positions. 27
Ribs formed on the periphery of the opening 25 of the lower frame 24, 28 is a long groove which is Kezu設on both sides of the lower frame 24. A notch 29 is formed in the contact portion 26 of the lower frame 24 corresponding to the mounting hole 3 of the mounting frame 1 so as to loosely fit with the screw 2 when the lower frame 24 contacts the construction surface W. Have been. In addition, lower frame 2
4, for example put glass fiber, PBT resin, to obtain a sensitivity with to elastic formed by塑造molding of thermoplastic resin such as Noryl resin and ABS resin. As shown in FIG. 4, recesses 24a for securing an installation space for a panel cover H for the purpose of insulation, which are used when mounting with a clamp for boxless construction, are formed in the back side of both sides of the lower frame 24 in the good hand direction as shown in FIG. ing. 30 is a rectangular frame-shaped plate body, has a bottom surface 30a of substantially the same size as the lower frame 24, and the rib 31 of the rib 27 and the fitting of the lower frame 24, a positioning fitting further long groove 28 Are formed integrally.
And in contact with the lower frame 24 and the plate body 30, these
The lower frame 24 and the plate body 30 store the mounting frame 1
A rate portion is formed, and a groove 33 is formed all around the lower frame 24 and the outer peripheral edge of the plate main body 30. The groove 33 is designed to make the entire plate portion thinner. The groove 33 may be formed in the lower frame 24. The window hole 34 at the center of the plate body 30 is formed larger than the operation body 10 of the switch body 7, a support portion 35 is formed on the inner periphery of the window hole 34, and flexible members are provided at both ends. Stop pawls 36 are formed. 37 is a square frame-shaped middle frame,
To reinforce the plate body 30, it is made of a strong diamond cast. Then, as shown in FIG.
Steps 38 for engaging with the locking claws 36 are provided on the outer sides of both ends of the middle frame 37, and further, an abutment portion 39 is formed on the inner periphery so as to protrude inward. Support 35
It is placed on. At this time, the locking claw 36 is fitted to the step portion 38 so that the middle frame 37 and the plate body 30 are integrated. As shown in FIG. 5A, the support portion 35 between the locking claws 36 is provided.
Fits into the recess 36 a of the middle frame 37. And the contact portion 39
The inside projection prevents the inside from being seen from a gap generated when the operation handle 6 is mounted. In this state, the upper end of the periphery of the middle frame 37 protrudes from the periphery of the window hole 34 of the plate body 30 to emphasize the beauty of the external design. Reference numeral 40 denotes a fixing screw, which is screwed into the screw hole 1a of the mounting frame 1 so that the middle frame 37 mediates the connection between the plate body 30 and the mounting frame 1. As shown in FIG. 5 (a), the operating handle 6 of the switch body 7 is loosely fitted to the rib 12 of the operating body 10 of the switch body 7 and a cylindrical rib 41 that fits in the concave chamber 13 is integrally formed on the back surface thereof. Have been. On the other hand, as shown in FIG. 3, cutouts 13 a having an upper surface opening are formed on both side walls of the operation body 10, and a substantially U-shaped fixed spring 14 is housed in the concave chamber 13. This fixed spring 14
Is formed of a bottom surface 17 having a hook hole 16 formed at the center thereof by protruding a claw piece 15 engaging with the groove 11 of the rib 12 and a piece 18 on both sides. The upper end of the side piece 18 of the fixed spring 14 opens outward to form a guide piece 19, and cuts and raises outward from the middle to form a locking piece 20.
The upper end of the guide piece 19 is stored so as not to protrude from the upper end surface of the operating body 10. Reference numeral 21 denotes a hole cut in the upper surface of the concave chamber 13 below the groove 11 of the rib 12, and when the chrysanthemum hole 16 of the fixed spring 14 is fitted to the rib 12, that is, the protruding piece 15 of the chrysanthemum hole 16 is inserted into the groove 11 The shavings generated during press-fitting and locking into the inside are stored in the holes 21, thereby preventing the fixed spring 14 from being displaced into the concave chamber 13 due to the action of the shavings. Note that a projection may be used instead of the hole 21. 23 display device for displaying the load is on, 22 is a display device for displaying that the off state. The cylindrical rib 41 on the back surface of the operation handle 6 has a notch 13a at a position corresponding to the center axis at which the operation handle 6 reverses.
A rib 43 is formed on the side where the force acts during the reversing operation, and a protrusion 43 is formed on the locking piece 20 of the fixed spring 14.
And is mounted on the switch body 7. Reference numeral 44 denotes a transparent body attached to an elongated hole 45 formed substantially in the center of the operation handle 6, which is formed to be long on the reversing direction side of the operation handle 6 so that the blinking state of the display elements 22 and 23 can be externally controlled. The display elements 22 and 23 are arranged so that the side on which the operation handle 6 has fallen is lit to facilitate the confirmation. This transparent body 44 has chrysanthemums on both sides as shown in FIG.
A hole 44a is provided, and the chrysanthemum hole 44a is press-fitted into a boss 80 protruding from both sides of the hole 45 on the back surface of the operation handle 6 as shown in FIG. Next, the switch mechanism of the switch body 7 will be described with reference to FIG. Reference numeral A denotes an opening / closing block formed of the operating body 10, the fixed spring 14, and the like. A cylindrical projection 46 is integrally provided from the lower surface of the operating body 10, and an upper end of a spring 47 is fixed to the projection 46 and a spring 4 is provided.
The movable contact plate 48 is connected to the lower end of the switch 7. Reference numeral 49 denotes a movable contact fixed to an upper portion of the movable contact slope 48. B is a support block which emits, for example, red light composed of a current transformer 50 for detecting the current when a current flows through the load, a diode 54 disposed on a substrate 53 above the current transformer 50, and a light emitting diode. It comprises a display element 23 and the like. 52 is a terminal plate connected to an external electric wire, and 51 is a support piece on which the movable contact plate 48 is placed and supported. The support block B is housed and arranged in the body 55, and the switch block A is mounted on the support piece 51. Operating body 10 is urged upward by a spring 47 inserted through the opening 57 of the cover 56, projections 59 formed integrally on both sides of the operating body 10 is Kezu設the inner wall surface of the opening 57 The operating body 10 is prevented from protruding upward from the cover 56, and the movable contact plate 48 is reversed by the spring force of the spring 47. The terminal plate 52 and the support piece 51 are electrically connected via the current transformer 50, and the support piece 51 is electrically connected to the movable contact plate 48 by mechanical contact. C is a contact terminal block in which fixed contacts 63 are respectively arranged on both sides of the movable contact plate 48, and two fixed terminal plates 60,
62, and both fixed terminal plates 60, 62
It is housed and arranged in a body 55 opposite to the plate 52. A contact plate 64 is integrally extended from one fixed terminal plate 62, and a fixed contact 63 is fixed to the bent contact plate 64, and the movable contact plate is fixed together with the fixed contact 63 of the other fixed terminal plate 60. It is arranged corresponding to the 48 movable contacts 49. The two fixed terminal plates 60 and 62 contact probe 65, 66
Are connected in contact with each other, and a substrate 6 is provided between both contacts 65 and 66.
7, a display element 22 composed of a resistor 68 and a neon lamp is inserted. Reference numeral 69 denotes a lamp cover.
With 7 is held, a transparent body 70 which projects on the upper surface of the lamp cover 69 is positioned above the display 22, the operator displays blinking of the display device 22. The board 6 is provided in both side pieces 71, 71 of the lamp cover 69.
7, and the lamp cover 6 as shown in FIG.
In FIG. 9, for example, a green transparent body 70 protruding from the upper surface of the front extension piece 69a is located above the display element 22, and protects the display element 22 composed of a neon lamp from the front extension piece 69a.
In addition, the light of the display element 22 composed of a neon lamp is converted into, for example, luminous color light by the transparent body 70. The shape of the transparent body 70 is the same as that of the light emitting diode. Then, the display element 23 and the transparent body 70 are fitted into the two insertion holes 72a and 72b formed in a straight line on the side of the opening 57 of the cover 56 from below, and the respective heads are placed outside the cover 56. Is exposed. FIG. 9 is a schematic perspective view of the switch body 7 and the operation handle 6. The transparent body 44 of the operation handle 6 has a length substantially symmetric with respect to the axis of the fulcrum of the seesaw movement of the operation handle 6. The two display elements 22 and 23 are positioned below both ends of the transparent body 44 and illuminate the transparent body 44 when the display element 22 emits light. The substrates 53 and 67 are provided below the display elements 22 and 23.
The movable contact plate 48 and the fixed terminal plates 60 and 62 are located on the side of the current transformer 50. Next, reference numeral 73 in the drawing denotes a display piece,
2 and fixed terminal plates 60 and 62, respectively, and the display piece 73 is formed by integrally molding a coil spring 74 by plastic molding of a thermoplastic resin, and the upper end of the coil spring 74 is provided on the lower surface of the cover 56. is biased into elastic contact has been down, depending on the insertion state of the wire 1 to be inserted into question the locking spring 76 which is respectively disposed in respective terminal boards 52,60,62 and each of the terminal plates 52,60,62 the display aperture 95 and sliding <br/> Te are as shown the insertion state of the wire 1. Reference numeral 75 denotes an engaging portion for moving the display piece 73 by contacting the electric wire 1. A portion 75a of the engaging portion 75 which contacts the locking spring 76 has an inclined surface to prevent the locking spring 76 from falling down. I have. 7
Reference numeral 7 denotes an unlocking button made of an insulating material for releasing the locked state of the electric wire 1. The above-mentioned switch mechanism is provided in the body 55.
The assembly of the switch body 7 is completed by covering the cover 56 housed and disposed inside and screwing it into the screw hole 8 of the frame 1 with the assembly screw 9. Next, a method of attaching the wiring device of the present invention to the construction surface W will be described. First, as shown in FIG. 10, the switch body 7 is fixed to the mounting frame 1 and wiring is performed, and the mounting frame 1 is fixed to the embedding box X and the construction surface W with the screw 2. Next, a decorative material Y such as cloth is attached to the construction surface W, and the decorative material Y is cut out along the mounting frame 1 to expose the switch body 7. After loosening the screw 2, the lower frame 24 is attached to the mounting frame 1.
Attach to the lower surface of. In this case, first, the notch 29 is loosely fitted to the screw 2, the mounting frame 1 is positioned on the lower frame 24 through the opening 25, and then the lower frame 24 is moved to a fixed position. Therefore, the lower frame 24 can be mounted without removing the mounting frame 1.
Can be mounted on the lower surface of the mounting frame 1.
Then, the mounting frame 1 is placed on the contact portion 26 of the lower frame 24, and the screw 4 is tightened by fitting the hole 4 of the mounting frame 1 into the projection 26 a of the lower frame 24. Therefore, even when the decorative material Y is thick, the entirety of the decorative material Y in contact with the lower frame 24 is pressed against the construction surface W by tightening the screw 2.
Next, the plate body 30 is fixed to the mounting frame 1 by the fixing screw 40.
Then, the operation handle 6 is loosely fitted into the window hole 34, and the cylindrical rib 41 of the operation handle 6 is pushed into the concave chamber 13 of the operation body 10 so that the engagement of the cylindrical rib 41 of the locking piece 20 of the fixing spring 14 is performed. The switch body 7 is mounted with the projection 43 locked. Therefore, there is no need to worry about contamination of the operation body 10 due to the decoration material Y such as cloth. And in this case,
By fixing the middle frame 37 to the mounting frame 1 and forming the contact portion 39, the operation handle 6 of the switch body 7 is positioned, and even when the operation handle 6 is larger than the operation body 10, the reversing angle is set to the regular angle. It can be secured in a position. The warping of the plate body 30 due to the force applied during this mounting is caused by the middle frame 37 and the lower frame 2.
4 can be suppressed. By the way, since the switch body 7 has the display element fixed at a position different from the operation body 10, the fixed position of the display elements 22 and 23 deviates from the upper position of the switch mechanism section interlocked with the operation body 10. ,
Since each of the display elements 22 and 23 is electrically insulated from the switch mechanism, the display elements 22 and 23 are damaged by an arc when the contacts are opened and closed, and the display elements 22 and 23 themselves do not move like the operation body 10. Since the display elements 22 and 23 are not provided in the operating body 10 that does not break and are further moved, it is not necessary to assemble the display elements 22 and 23 and the operating body 10 at the same time, which facilitates assembly. FIG. 11 shows a switch circuit formed by using the switch device of the present invention. A power source e is connected to a terminal plate 52, and a load is connected to one fixed terminal plate 60.
The other fixed terminal plate 62 is used when forming a three-way switch circuit. In this state, the load L is in the off state, and a current flows through the display element 22 formed of a neon lamp, and the display element 22 is lit. This lighting of the display element 22 indicates that the load L is in the off state. At this time, as shown in FIG. 12A, the operation handle 6 is tilted toward the display element 22, and the transparent body 44 of the operation handle 6 approaches the display element 22 by pressing the operation handle 6. Display element 22
And the light-emitting element is bright and easy to see from the outside. Next, as shown in FIG. 12B, when the operation handle 6 is reversed, the load L is supplied to the power source e.
And the display element 22 is turned off, a current flows through the primary winding Nl of the voltage transformer 50, and the secondary output of the current transformer 50 causes the display element 23 composed of a light emitting diode indicating the on state of the load L to be turned on. Light. At this time,
Since the display element 23 on which the operating handle 6 is pressed is turned on, the transparent body 44 approaches the display element 23, the display becomes bright, and the lighting state can be easily seen from the outside. When the display element 22 is turned on, light emission is displayed by green light by the transparent body 70. When the display element 23 is turned on, light emission is displayed by red light.
The state can be visually recognized by color. FIG. 13 shows the connection in the case of a three-way switch circuit. Although the above embodiment shows a case where one switch body 7 is provided, FIG. 14 shows an embodiment in which two switch bodies 7a and 7b are provided. In this embodiment, the positions of the display elements 22 and 23 of the switch bodies 7a and 7b arranged side by side are arranged adjacent to each other, and the transparent body 44 of the operation handles 6a and 6b is biased toward the boundary as shown in FIG. The operation state of the switch bodies 7a and 7b can be visually recognized instantaneously. 16 so that the closing direction (falling direction) of each operation handle 6a, 6b and the operation of each switch body 7a, 7b match.
As shown in FIG. 7, the switch bodies 7a and 7b have the arrangement of the mechanisms symmetrical with each other so that the switching directions of the operation handles 6a and 6b and the switch operation are matched with each other. FIG.
As shown in (a) and (b), when the feed wiring 94 of the switch bodies 7a and 7b is provided, the feed is easy because the connection terminals corresponding to the terminal plate 52 on the common terminal side are arranged in parallel. In the drawing, reference numerals 93 ₁ , 93 ₃ , and 93 ₄ denote conducting wire insertion holes, respectively. FIGS. 18 (a) and 18 (b) show examples in which electronic switches 7 "other than mechanical switches are combined in place of one switch body. In FIG. 14, 37a" in FIG.
It is a central piece for reducing the gap at the boundary between a and 6b. In the above embodiment, two switch bodies 7a and 7b are mounted on one mounting frame 1 and two operation handles 6a are provided in a loose fitting space of one large operation handle of the middle frame 37. , 6b are loosely fitted.
(A), (b) and the embodiment shown in FIG. 20 relate to a multiple switch device. That is, as shown in the figure, the operation handles 6 ₁ and 6 ₂ are provided with central ribs 37 a integrally extending from upper and lower sides of the middle frame 37.
gap between the operation handle 6 _1, 6 ₂ a is set narrower to the same extent if the gap between the operation handle 6 _1, 6 ₂ and inner frame 37. Therefore the operation handle 6 _1,
6 that as the foreign matter is inserted from the gap between the _two is so can be blocked by the central rib 37a, also when the wiring device is viewed from the front side to have this central rib 37a , in which the gap between the operation handle 6 _1, 6 ₂ has become inconspicuous. FIG.
Fig. 2 shows an exploded perspective view of the above-mentioned instrument. FIGS. 21 (a), 21 (b) and 22 show another embodiment of the multiple type. In this embodiment, the operation handle is divided into two parts, an upper part and a lower part. An operation handle 6 and an operation handle 6
A central rib 37a is provided so as to separate between a and 6b.
In addition, the clearance at the boundary between the operation handles 6a and 6b is reduced.
There is a central piece 37a "for eliminating
The central rib 37a and the central piece 37a " prevent dust from entering. The present invention is provided with an opening window having a slender middle portion and a plurality of instrument mounting portions in the longitudinal direction. Mounting frame, the external dimension in the short direction is formed to a size obtained by dividing the longitudinal dimension of the opening window by the number of instrument mounting parts, and has an operation unit and a display element on the front surface, A predetermined number of switch main bodies attached to the mounting means, and an elongated window hole facing the opening window and having a longitudinal dimension larger than the longitudinal dimension of the opening window ;
A plate portion arranged to cover, and a dimension in a direction along a longitudinal direction of the window hole is an integral number with a denominator being the number of the switch main bodies attached to the mounting frame with respect to a longitudinal dimension of the window hole. And is formed in one dimension of
A display window optically facing the display element, and an operation handle provided opposite to the switch body disposed in the window hole of the plate portion, so that one or more switch bodies are used. The mounting frame, plate, and switch body can be used with the same specifications as the above, and accurate display is possible.
Further, it is possible to provide a switch device that has an operation handle larger than the switch body and has good operability. Therefore, there is an effect that the operation can be performed easily and comfortably for the elderly and children. Further, since the mounting frame, the plate portion, and the switch body can all be used in common , there is an effect that they can be provided at low cost. Further, the plate part is divided into a front part and a rear part.
Since the groove is formed on the entire outer surface of the side peripheral wall of the plate part, even if the plate part becomes thick, the plate part can be made thin and smart by using the groove. A switch device that gives a unique image can be realized.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of one embodiment of the present invention. FIG. 2 is a perspective view of a main part of a mounting frame according to an embodiment of the present invention, with a part thereof omitted; FIG. 3 is an enlarged exploded perspective view of a main part of one embodiment of the present invention. FIG. 4 is a sectional view of a lower frame according to an embodiment of the present invention. FIG. 5A is an enlarged sectional view of a main part of one embodiment of the present invention. (B) is an enlarged sectional view of a main part of one embodiment of the present invention. (C) is an enlarged sectional view of a main part of one embodiment of the present invention. FIG. 6A is an enlarged perspective view of a transparent body according to one embodiment of the present invention. FIG. 2B is an enlarged perspective view of the operation handle according to the embodiment of the present invention, in which a part of the operation handle is omitted. FIG. 7 is an enlarged exploded perspective view of a switch body according to an embodiment of the present invention. FIG. 8 is an enlarged perspective view of a main part showing a poor mounting state of the display element according to the embodiment of the present invention. FIG. 9 is a schematic configuration diagram showing a relationship between a switch body and an operation handle according to one embodiment of the present invention. FIG. 10 is an explanatory view of mounting of one embodiment of the present invention. FIG. 11 is a circuit diagram showing an example of a circuit used in one embodiment of the present invention. FIG. 12A is an explanatory diagram of an operation of the switch body according to the embodiment of the present invention. (B) is an operation explanatory view of the switch body of one embodiment of the present invention. FIG. 13 is a circuit diagram showing another example of a circuit used in one embodiment of the present invention. FIG. 14 is an exploded perspective view of another embodiment of the present invention. FIG. 15 is a front view of another embodiment of the present invention. FIG. 16 is an exploded perspective view of a switch body used in another embodiment of the present invention. FIG. 17 (a) is an enlarged perspective view of a main part of another embodiment of the present invention. (B) is an enlarged perspective view of a main part of another embodiment of the present invention. FIG. 18 (a) is a main part front view showing an application example of another embodiment of the present invention. (B) is a principal part front view which shows the example of application of each other Example of this invention. FIG. 19 (a) is a front view of another embodiment of the present invention. (B) is a top view of another Example of this invention, respectively. FIG. 20 is an exploded perspective view of another embodiment of the present invention. FIG. 21 (a) is a front view of still another embodiment of the present invention. (B) is a plan view of still another embodiment of the present invention. FIG. 22 is a perspective view of a middle frame of still another embodiment of the present invention. [Description of Signs] 1 Mounting frame 6 Operating handle 7 Switch body 10 Operating body 24 Lower frame 37 Middle frame 30 Plate body 34 Window hole 61 Opening window

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Yoshinori Suzuki               Matsushita Electric Works, 1048 Kadoma, Kazuma, Kadoma, Osaka               Inside the corporation (72) Inventor Hiroyuki Tateishi               Matsushita Electric Works, 1048 Kadoma, Kazuma, Kadoma, Osaka               Inside the corporation (56) References JP-A-55-39183 (JP, A)                 Actual opening 1974-20073 (JP, U)                 Actual opening 1979-3380 (JP, U)                 Jiko 50-18133 (JP, Y2)                 Jiko 40-30058 (JP, Y2)                 Jiko 50-15165 (JP, Y2)                 Jiko 41-5478 (JP, Y2)

Claims (1)

(57) [Claims] A mounting frame having an elongated window in the middle portion having a plurality of device mounting portions in a longitudinal direction and a plurality of device mounting portions in a longitudinal direction, and an outer dimension in a short direction formed by dividing a longitudinal dimension of the opening window by the number of device mounting portions. And a predetermined number of switch bodies having an operation unit and a display element on the front surface and attached to the attachment means of the attachment frame, and a longitudinal dimension facing the opening window and a longitudinal dimension of the opening window. It has an elongated window hole that is formed larger and is arranged to cover the mounting frame.
A plate portion and a dimension in a direction along a longitudinal direction of the window hole is formed to be a fraction of an integer of the number of the switch bodies attached to the mounting frame with respect to a longitudinal dimension of the window hole. And a display window optically facing the display element, comprising an operation handle opposed to a switch body disposed in a window hole of the plate portion, wherein the plate portion and the front portion are provided. A switch device characterized in that a groove that is divided into a rear portion is formed over the entire outer surface of a side peripheral wall of a plate portion.