JPH04332415A - Switch apparatus - Google Patents

Abstract

PURPOSE:To facilitate operation and surely achieve seesaw movement even if any point of an operating handle is depressed by enlarging the operating surface. CONSTITUTION:There is provided a switch main body 7 having an intermediate handle 10 in an opening window of a fixing frame 1. Projecting auxiliary fulcrums 5a are projected at both ends of the opening window of the fixing frame 1. A window hole larger than the intermediate handle 10 is formed in a plate main body 30. An operating handle 6 is loosely fitted into the window hole, to be thus attached to the intermediate handle 10. The operating handle 6 is made to correspond to the auxiliary fulcrums 5a for seesaw movement thereon.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch device that turns on and off a load by a reversing operation.

0002

2. Description of the Related Art Conventional switch devices of this type have a handle exposed directly through a window hole in a plate body, and the load can be turned on and off by directly pressing the handle.

0003

However, in the above-mentioned conventional example, the handle is directly exposed through the window hole of the plate body, and the load is turned on and off by directly pushing the handle.
Since it is turned off, the operation surface is small and difficult to operate, and if the operation surface is simply made larger,
The handle may hit the mounting frame or the switch body, interfering with the reversing operation.

[0004] The present invention was invented in view of the above-mentioned problems of the conventional example, and its purpose is to enlarge the operation surface to make it easier to operate, and to enlarge the operation surface. To provide a switch device which can reliably perform a reversing operation no matter where on the operation handle is pressed, even though the switch is made to be able to perform a reverse operation.

[0005]

[Means for Solving the Problems] In order to solve the problems of the conventional example described above and achieve the object of the present invention, the switch device of the present invention is provided by attaching the switch body 7 with the inner handle 10 attached to the opening window, and A mounting frame 1 having protruding auxiliary fulcrums 5a projecting from both ends of the opening window, a plate body 30 having a window hole larger than the middle handle 10, and a plate body 30 that loosely fits into the window hole and attaches to the middle handle 10. It is configured to include an operating handle 6 that is attached and corresponds to the auxiliary fulcrum 5a.

[0006]

[Operation] Thus, the switch body 7 with the middle handle 10 attached thereto is attached to the opening window, and the mounting frame 1 having protruding auxiliary fulcrums 5a protruding from both ends of the opening window, and the middle handle 10
By having a structure consisting of a plate body 30 having a larger window hole and an operation handle 6 that loosely fits into the window hole and is attached to the middle handle 10, the handle attached to the switch body can be directly attached to the plate body. Compared to the one exposed through the 30-hole window, the operating surface can now be larger.

Furthermore, by providing the auxiliary fulcrum 5a and making the operating handle 6 correspond to the auxiliary fulcrum 5a, the operating handle 6
You can now perform a reliable reversal operation no matter where you press.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 shows an exploded perspective view of the switch device of the present invention. In the figure, reference numeral 1 denotes a frame-shaped mounting frame made of metal, with oval mounting holes 3 bored at each end. A positioning hole 4 is formed at a position diagonally corresponding to the mounting hole 3. The mounting hole 3 is used for inserting a screw 2 for fixing the switch body 7, the operating handle 6, etc. to an embedded box X or construction surface W, which will be described later. A bent piece 5 that is bent upward is formed at both ends of the mounting frame 1 in contact with the large opening window at the center, and a projecting auxiliary fulcrum 5a is provided in the center of the upper end surface of this bent piece 5. ing. This auxiliary fulcrum 5a serves as a fulcrum against which the lower surface of the operating handle 6, which is the operating body of the switch body 7, comes into contact and allows the operating handle 6 to perform seesaw motion. Further, the switch main body 7 is housed in an open window of the mounting frame 1 so as to be sandwiched therebetween. Reference numeral 8 denotes screw holes formed on both sides of the mounting frame 1, into which assembly screws 9 for fixing the switch body 7 to the mounting frame 3 are screwed. 10 is the switch body 7
This middle handle 10 forms a so-called fitting boss part, and as shown in FIG. 3, a square rib 12 protrudes from the center of a recessed chamber 13 whose top surface is open. The rib 12 has a groove 11 on each surface thereof, which is open on the top and side surfaces.
is formed. Reference numeral 24 denotes a square frame-shaped lower frame that is slightly larger than the mounting frame 1 and located below the mounting frame 1. An opening 25 in the center of the lower frame 24 is for passing the switch body 7. Further, 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 mounting frame 1 is attached to the contact portion 26 of the lower frame 24.
A protrusion 26a that fits into the hole 4 is formed.
By fitting a into the hole 4, the mounting frame 1 and the lower frame 24 are properly positioned. 27 is a rib formed on the periphery of the opening 25 of the lower frame 24, and 28 is a long groove cut on both sides of the lower frame 24. The lower frame 24 is formed by plastic molding of a thermoplastic resin such as PBT resin, Noryl resin, or ABS resin containing glass fibers to obtain hardness as well as elasticity. Reference numeral 30 denotes a square frame-shaped plate main body, which has a bottom surface approximately the same size as the lower frame 24, and has a long groove 2 in the lower frame 24.
8 is integrally formed with a positioning projection 32 that fits into the positioning part 8. The window hole 34 in the center of the plate body 30 is formed larger than the middle handle 10 of the switch body 7, and a support portion 35 is formed on the inner periphery of the window hole 34, and flexible locking portions are provided at both ends. A claw 36 is formed. Reference numeral 37 denotes a square frame-shaped middle frame having a central rib 37a, and is made of die-cast material to provide strength. As shown in FIG. 1, stepped portions 38 that engage with the locking claws 36 are provided on the outer side of both ends of the middle frame 37, and furthermore, abutting portions 39 are formed on the inner periphery to protrude inwardly,
This middle frame 37 is placed on the support portion 35 of the plate main body 30. At this time, the locking pawl 36 is fitted into the stepped portion 38 to integrate the middle frame 37 and the plate main body 30. Further, the amount of protrusion of the inner side of the contact portion 39 prevents the inside from being seen through a gap that occurs when the operating handle 6 is attached. 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, emphasizing the beauty of the external design. A fixing screw 40 is screwed into the screw hole 1a of the mounting frame 1 to fix the plate main body 30 to the mounting frame 1. The operating handle 6, which serves as a handle for the switch body 7, has a cylindrical rib 41 integrally formed on its back surface, which loosely fits into the rib 12 of the inner handle 10 of the switch body 7 and fits within the recessed chamber 13. . On the other hand, as shown in FIG. 3, notches 13a with upper openings are formed in both side walls of the middle handle 10, and a substantially U-shaped fixed spring 14 is accommodated in the recessed chamber 13. This fixed spring 14 is connected to the rib 1
The chrysanthemum hole 1 is provided with a claw piece 15 that protrudes inward to engage the groove 11 of the chrysanthemum hole 1
6 formed in the center, and side pieces 18, 18.
It is formed from. The upper end of the side piece 18 of the fixed spring 14 is opened outward to form a guide piece 19, and is cut upward from the middle to form a locking piece 20. Note that the upper end of the guide piece 19 is housed so as not to protrude beyond the upper end surface of the middle handle 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;
When fitting the rib 12 into the rib 12, that is, the protrusion 1 of the chrysanthemum hole 16
By storing the shavings generated when the spring 5 is press-fitted into the groove 11 into the hole 21, the fixing spring 14 is prevented from shifting and being accommodated in the recessed chamber 13 due to the action of the shavings. Incidentally, the hole 21 may be replaced with a protrusion. 23 is a display element that indicates that the load is in the on state, and 22 is a display element that indicates that the load is in the off state. Further, the cylindrical rib 41 on the back surface of the operating handle 6 is formed with a rib 42 that fits into the notch 13a at a position corresponding to the central axis on which the operating handle 6 operates in reverse as an operating body, and a force is applied during the reverse operation. On the side is a locking piece 20 of the fixed spring 14.
A protrusion 43 is formed to engage with the switch body 7, and is loosely fitted into the window hole 34 of the plate body 30 and attached to the switch body 7. Reference numeral 44 denotes a transparent body attached to an elongated hole drilled approximately in the center of the operating handle 6, and is formed long on the reverse movement direction side of the operating handle 6, so that the blinking state of the display elements 22 and 23 can be visually observed from the outside. The display elements 22 and 23 are arranged so that the side on which the operating handle 6 falls is illuminated to facilitate confirmation. A cylindrical projection 46 is integrally protruded from the lower surface of the middle handle 10, and the upper end of a spring 47 is fixed to this projection 46, and a movable contact plate 48 is connected to the lower end of the spring 47. 49 is the movable contact plate 4
It is a movable contact fixed to the upper part of 8. This movable contact 4
The reference numeral 9 is designed to be reversely operated by the spring force of a spring 47, and by moving the operating handle 6 in a see-saw motion, it can be brought into contact with and separated from the fixed terminal plate 50. Next, attach the switch body 7 to the construction side W.
4, the switch body 7 is first fixed to the mounting frame 1, wiring is applied, and the mounting frame 1 is fixed to the embedded box X or construction surface W with screws 2. Next, attach decorative materials such as cloth to the construction surface W, and attach the mounting frame 1.
Cut out the decorative material along the lines to expose the switch body 7. After loosening the screws 2, the lower frame 24 is attached to 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, the projection 26a of the lower frame 24 is fitted into the hole 4 of the mounting frame 1, and the screw 2 is tightened. Therefore, even if the decorative material Y is thick, by tightening the screw 2,
The entire decorative material Y that is in contact with the lower frame 24 is pressed against the construction surface W side. Next, after fixing the plate main body 30 to the mounting frame 1 with the fixing screws 40, the top plate 6 is loosely fitted into the window hole 34, and the cylindrical rib 41 of the top plate 6 is pushed into the concave chamber 13 of the middle handle 10. Locking piece 2 of fixed spring 14
0 and lock the protrusion 43 of the cylindrical rib 41 to the switch body 7.
is attached. Therefore, there is no need to worry about the inner handle 10 getting dirty due to the decorative material Y such as cloth. and,
In this case, by fixing the middle frame 37 to the mounting frame 1 and forming the abutment part 39, the operating handle 6 as the operating body of the switch body 7 is positioned, and the operating handle 6 is larger than the middle handle 10. Even in this case, the reversal angle can be maintained at the correct position.

FIGS. 2(a) and 2(b) show a front view and a plan view of a switch device according to an embodiment of the present invention,
As shown in the figure, between the operating handles 61 and 62 is a central rib 37 extending integrally from the upper and lower sides of the middle frame 37.
a is arranged, and the central rib 37a and the operating handle 6
1, 62 is the gap between the operation handles 61, 62.
The gap is set to be approximately as narrow as the gap between the inner frame 37 and the inner frame 37. Therefore, the central rib 37a can prevent foreign objects from being inserted through the gap between the operating handles 61 and 62, and the presence of the central rib 37a makes it possible to prevent the switch device from being seen from the front. The gap between the operating handles 61 and 62 is made inconspicuous when the machine is opened.

Furthermore, FIGS. 5(a) and 5(b) show another embodiment, in which the operating handle 62 is divided into upper and lower halves, and a pair of operating handles 62 a are operable individually in the left and right directions.
, 62b, and in this case as well, by forming a central rib 37a vertically in the center of the middle frame 37, the operating handle 61 and the operating handle 6
2a and 62b can be filled in. Note that when the operation handles 62a and 62b perform a see-saw movement in the vertical direction, the center rib 37 is also provided in the gap between the operation handles 62a and 62b, as shown in FIG.
It is a good idea to provide b.

0012

[Effects of the Invention] As described above, the present invention includes a mounting frame in which the switch body with the inner handle attached is attached to the opening window, and protruding auxiliary fulcrums are protruded from both ends of the opening window; It consists of a plate body with a window hole larger than the handle, and an operation handle that loosely fits into the window hole and is attached to the middle handle, and corresponds to the auxiliary fulcrum.
Compared to the conventional switch, in which the handle attached to the switch body is exposed directly through the window hole in the plate body, the operating surface can be larger, and an auxiliary fulcrum is provided so that the operating handle corresponds to the auxiliary fulcrum. This has the advantage that a reliable reversing operation can be performed no matter where on the operating handle is pressed.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of a switch device of the present invention.

FIG. 2(a) is a front view of the same as above, and FIG. 2(b) is a plan view of same as above.

FIG. 3 is an exploded perspective view of the switch mechanism section same as the above.

FIG. 4 is a sectional view showing the attached state of the same as above.

FIG. 5 is a drawing showing another embodiment of the present invention, in which (a) is a front view and (b) is a plan view.

FIG. 6 is a perspective view of another inner frame used in the same as above.

[Explanation of symbols]

1 Mounting frame 5a Auxiliary fulcrum 6 Operation handle 10 Middle handle 30 Plate body

Claims (1)

[Claims] [Claim 1] A mounting frame for attaching a switch body with a middle handle attached to an opening window, a mounting frame having protruding auxiliary fulcrums protruding from both ends of the opening window, and a plate body having a window hole larger than the middle handle. . A switch device comprising an operation handle that is loosely fitted into a window hole and attached to the middle handle, and that corresponds to the auxiliary fulcrum.