JPH0612589Y2 - Swing lever holding structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to an improvement of a swing lever holding structure.

[Prior Art] Conventionally, the following electronic devices have been known as electronic devices having a lever that performs a swing operation.

That is, as shown in FIG. 6, the lever 1 having the switch pressing rods 1 a at the upper end and the lower end is fitted in the opening 2 a formed in the front surface of the escutcheon 2. The lever 1 is supported by a support piece 2b of the opening 2 with a projection piece 1b formed at the center of the end face as a fulcrum, and is swingable about a shaft 3 installed on the back surface of the escutcheon 2 as an axis. .

On the other hand, a printed circuit board 4 is installed on the back surface of the escutcheon 2, and a push switch 5 that can be retracted and retracted is disposed on the printed circuit board 4. When the lever 1 swings, the switch pressing rod 1a is rotated, and the tip of the switch pressing rod 1a presses the push switch 5.

In the conventional example having the above-mentioned configuration, since the switching operation can be performed only by lightly swinging the lever 1, it is attached to a frequently used switch such as a stop / play mode changeover switch of an audio device. It's being used.

By the way, in the swing lever holding structure for holding the swing lever as described above, the following problems have been conventionally pointed out.

That is, in the swing lever as described above, the pressing force of the switch is only the pressing resistance of the switch. Therefore, in the case of a normal switch, the switch is activated by a slight touch of the lever, and an erroneous operation is likely to occur.

Moreover, since the swing lever is frequently used, it is arranged at a position where it can be easily operated when operating the lever. Therefore, a heavy load is often applied more than necessary, and there is a risk that the lever cannot be held sufficiently or the lever is broken.

Further, in the prior art, the center of each lever 1 may be displaced, and when holding such a lever 1, the shaft 3 is required for each lever. However, if the shafts 1 are fixed one by one, as shown in FIG. 7, it is necessary to provide the shaft stopper 3a between the levers, and the distance between the levers becomes large. Therefore, the size of the device is increased, the number of steps is large, and the production cost is increased.

Moreover, the arrangement of the levers is often non-uniform, which not only causes poor operability, but also gives the impression of reducing the reliability of the device in terms of appearance, weakening the purchasing power.

[Problems to be Solved by the Invention] As described above, in the conventional technology, the arrangement of the levers is poor, so that the design is poor and the operability is low.
Moreover, the holding strength of the lever was weak and the production cost was high.

The swing lever holding structure of the present invention has been proposed to solve the above problems, and its purpose is to provide a good lever alignment, a high lever holding strength, and an excellent operability. It is to provide a lever holding structure.

[Means for Solving the Problems] In order to solve the above problems, the invention described in claim 1 of the utility model is an escutcheon, a printed circuit board installed behind the escutcheon, and a printed circuit board. A push switch that can be retracted and attached, a swing lever that is swingably attached to the surface of the escutcheon and that has a hollow part on the escutcheon surface side, and is integrally provided on the escutcheon side part of the swing lever, A switch pressing part that penetrates the escutcheon and presses the push switch, a bearing part that is integrally provided on the escutcheon side part of the swing lever and that penetrates the escutcheon and protrudes to the back of the escutcheon, according to the penetration position of the bearing part. The ribs provided on the escutcheon and inserted in the direction orthogonal to the ribs. The shaft that serves as the swing shaft of the swing lever with respect to the cushion, is mounted in the hollow portion of the swing lever, and is arranged in a compressible manner between the escutcheon surface and the swing lever. An elastic member to be sandwiched is provided.

In the invention described in claim 2 of the utility model registration, a plurality of rocking levers are mounted adjacent to each other on the escutcheon, and the shaft inserted into the bearing portion of each rocking lever is
The shafts are arranged so that the end portions of the shafts come into contact with each other.

The invention as claimed in claim 3 of the utility model registration is that the bearing portion is a long hole along the swing direction of the swing lever, and the shaft moves in the long hole in the long hole. It is possible, and a concave portion with which the shaft is engaged is provided in a part of the long side of the long hole.

[Operation] The utility model registration claim 1 having the above-mentioned configuration
The operation of the device described in the section is as follows.

That is, when the lever is operated, the elastic member installed inside the lever is deformed, so that the pressing resistance increases, and the lever does not swing even if the lever is touched carelessly. Therefore, the switch is not input,
There is no malfunction. Moreover, since the elastic member presses the lever from the rear, the rattling of the lever is small, and at the same time, the strength of the lever itself can be increased.

According to the invention as claimed in claim 2 of the utility model registration, even if the levers are arranged very adjacent to each other, the opposite ends of the individual shafts are abutted against each other.
It is possible to prevent the shaft that holds the lever swingably from coming off. Therefore, even if the gap between the levers is reduced, the lever can be held reliably. At the same time
Space saving is possible and designability is improved. Moreover, since there are few members for fixing the shaft, the cost can be reduced.

In the invention as claimed in claim 3 of the utility model registration, in the insertion hole through which the shaft is inserted, a recess is provided on the side opposite to the elastic member, and a part of the shaft is engaged with the recess. , The lever can always be biased to a fixed position, and the lever arrangement is improved. Therefore, the rocking lever held at a uniform position can provide a high-class design and excellent operability.

[Embodiment] An embodiment of the present invention as described above will be specifically described with reference to the drawings. The same members as those of the conventional technique are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 1, the swing lever holding structure of this embodiment has a structure in which the swing lever 6 is swingably held by the escutcheon 2 via the shaft 3.

The swing lever 6 has a push button shape with a hollow inside as a whole, and a rectangular parallelepiped rubber 7 which is an elastic member described in the claims of the present invention is attached to the escutcheon side of the hollow portion. ing. The entire swing lever is made of a translucent resin 8, the surface of which is covered by plating 9, and only the display portion 15 is printed with blank characters.
It is processed so that the light from the translucent resin 8 passes through.

Further, the rocking lever 6 is provided with a rubber support wall 16 therein, and the rubber support wall 16 and a rib 14 provided on an escutcheon described later sandwich the rubber 7. Further, a concave portion 17a is formed on the side wall portion of the swing lever 6, and the concave portion 17a serves as a fulcrum to form the escutcheon 2
It is in contact with the convex portion 17 formed above.

The oscillating lever 6 has a bearing portion on its left and right sides that penetrates the escutcheon, and an insertion hole 12 through which the shaft 3 is inserted is formed in this bearing portion. The insertion hole 12 is a long hole along the swinging direction of the swing lever 6, and the long side of the long hole has a shaft 3 at the center opposite to the rubber 7, as shown in FIG. Is formed with a recess 13 into which a part of the above is fitted. Further, on the escutcheon side of the swing lever 6, a pressing portion 6a for penetrating the escutcheon and pressing the push switch 5 toward the printed circuit board 4 side extends from the bases of the upper and lower surfaces thereof, and the tip end portion thereof is a copper foil. It is in contact with the push switch 5 via the attached polyester film 10 and the rubber sheet 11.

Further, a lamp 19 is installed in the middle of the two push switches 5 arranged on the printed board 4.
The lamp 19 illuminates the translucent resin 8 and illuminates the display section. Therefore, the rubber 7 and the rubber sheet 11 are made of a translucent member, and serve as a light guide.

Further, as shown in FIGS. 2 (A) and 3, the swing lever 6 as described above has a quadrangular pyramid having a rectangular bottom surface and is arranged so that the bottom surface abuts the escutcheon 2. Has been done. Further, the upper surface is formed in a curved shape so as to be slightly depressed so as to be easily pressed from above, and the display unit 15 is installed at the center of the upper surface.

On the other hand, in the opening 2a of the escutcheon 2 to which the swing lever 6 is attached, a rib 14 having a narrow width is formed so as to straddle the opening 2a. As shown in the cross-sectional view of FIG. 1, the rib 14 has a recess formed on its back surface.
The shaft 3 penetrating the bearing portion of the rocking lever 6 is fitted in the recess. Then, the ribs 14 are attached by the rubber 7 attached to the shaft 3 and the hollow portion of the swing lever.
Are pinched.

Further, as shown in FIG. 2 (B) and FIG. 5, three swing levers 6 are installed very adjacent to each other in this embodiment. In this case, the shaft 3 provided with the shaft stopper 3a only needs to have both ends, and the middle shaft 3 comes into contact with the ends of the adjacent shafts 3 to prevent the shaft from coming off.

The operation of this embodiment having the above configuration is as follows.

That is, when the upper surface of the swing lever 6 is pushed down, the swing lever 6 swings about the fulcrum 17 while the rubber 7 is compressed and deformed, and the shaft 3 moves above the insertion hole 12. At this time, the pressing portion 6 provided at the base of the lower surface of the swing lever 6
a presses the rubber sheet 11. This rubber sheet 1
1 converts the circular motion of the pressing portion 6a into a linear motion and presses the push switch 5.

As described above, according to the present embodiment, accurate operation can be performed, and since the rubber 7 is installed, a certain amount of pressing resistance is generated on the swing lever 6, and the swing lever 6 is swung carelessly. The moving lever 6 is never pressed.

On the other hand, when the pressing force of the swing lever 6 is released, the restoring force of the rubber 7 tries to return it to its original position. At this time, the convex portion 17 of the escutcheon 2 applies a light load that pushes up the swing lever 6, and when the swing lever 6 is located near the center, the shaft 3 engages with the recess 13 of the insertion hole 12. In this way, accurate centering of the rocking lever 6 is possible. Therefore, even if a plurality of swing levers 6 are arranged, they are arranged well and a design with a high-class feeling can be presented.

Furthermore, if the rocking lever 6 is plated, static electricity may fall through the rocking lever into the internal electric circuit of the device and cause malfunction of the microcomputer. In the present embodiment, however, copper foil is used. Since the attached polyester film 10 is provided right below the swing lever 6, static electricity is designed to drop to the ground through the copper foil polyester film 10 to prevent equipment failure.

Moreover, in this embodiment, since it is not necessary to provide the shaft stoppers 3a on the individual shafts 3, the device can be easily downsized, and the man-hours and the production cost can be reduced.

The present invention is not limited to the above-described embodiment, and the shape and size of a swingable lever such as a swing lever can be changed appropriately.

[Effects of the Invention] As described above, according to the swing lever holding structure of the present invention, an elastic member for providing swing resistance is provided inside the lever, and space saving is achieved without lowering operability. Therefore, the production cost is low and the holding strength of the lever is low because the opposite ends of the individual shafts are brought into contact with each other, or the recess for holding the alignment of the levers is formed in the insertion hole of the shaft is low. It is possible to provide a swing lever holding structure that is high and has excellent operability and design.

[Brief description of drawings]

FIG. 1 is a side sectional view of this embodiment, FIGS. 2 (A) and (B) are perspective views of this embodiment, FIG. 3 is a perspective view of essential parts of this embodiment, and FIG. FIG. 5 is a plan sectional view of a conventional example, FIG. 5 is a side sectional view of a conventional example, and FIG. 7 is a plan sectional view of a conventional example. 1 ... Lever, 2 ... Escussion, 3 ... Shaft, 4 ... Printed circuit board, 5 ... Push switch, 6
...... Rotating lever, 7 ...... Rubber, 8 ...... Translucent resin, 9
…… Plating, 10 …… Copper foil polyester film, 11
...... Rubber sheet, 12 ...... Insertion hole, 13 ...... Concave part, 1
4 ... rib. 15 ... Display unit, 16 ... Rubber support wall,
17 ... convex portion, 18 ... lamp.

Claims (3)

[Scope of utility model registration request] 1. An escutcheon, a printed circuit board installed behind the escutcheon, a push switch that can be retracted on the printed circuit board, a swingably mounted on the surface of the escutcheon panel, and on the escutcheon surface side portion. A swing lever having a hollow portion, a switch pressing portion that is integrally provided on a portion of the swing lever on the escutcheon side and that pushes the push switch through the escutcheon, and is integrally provided on a portion of the swing lever on the escutcheon side. A bearing portion that penetrates through the escutcheon and protrudes to the rear surface of the escutcheon panel; a rib provided on the escutcheon according to the penetration position of the bearing portion; and a bearing portion that is inserted in the bearing portion of the swing lever in a direction orthogonal to the rib, and The end of the swing lever engages with the rib, and the swing lever against the escutcheon A shaft that serves as a rocking shaft, an elastic member that is mounted in the hollow portion of the rocking lever, is disposed between the escutcheon surface and the rocking lever so as to be compressible, and holds the rib provided on the escutcheon together with the shaft. A swing lever holding structure characterized by being provided. 2. A plurality of rocking levers are mounted adjacent to each other on an escutcheon, and shafts inserted into the bearings of the rocking levers are arranged so that the ends of the shafts come into contact with each other. The swing lever holding structure according to claim 1 of the utility model registration claim. 3. The bearing portion is a long hole extending in the swing direction of a swing lever, the shaft is movable in the long hole in the long hole, and the length of the long hole is long. The swing lever holding structure according to claim 1, wherein a recess for engaging the shaft is provided in a part of a side.