JP3239434B2 - Operation mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operating mechanism operated by an angular deviation of an operating portion for operating a recording / reproducing apparatus or the like, and more particularly to a piano key type operating mechanism directly operated by a finger.

[0002]

2. Description of the Related Art Conventionally, an operation mechanism using a piano key has been used for mechanically operating a recording / reproducing apparatus or the like. The operation mechanism using this piano key is provided with holes each serving as a center of rotation in a plurality of piano keys, and one piano shaft is pierced through each hole of each piano key, all the piano keys are attached, and then recorded. It is completed by attaching it to a playback device or the like.

[0003]

In the conventional operating mechanism having such a configuration, a shaft through which all the piano keys are penetrated and a frame for supporting the shafts are separately required. First, it is necessary to assemble them together on a shaft, and then assemble the whole into a recording / reproducing device or the like.

Since a part of the operation mechanism is assembled in advance, the assembling process is troublesome, and the cost of the entire part and the assembling cost are high. In addition, when the shape of the operation button or the like is changed, it is difficult to quickly deal with the change, and the appearance is poor due to the presence of the shaft.

The present invention has been made in view of the above circumstances, and has as its object to provide an operation mechanism which has a simple structure, is easy to assemble, and has an excellent appearance after assembling.

[0006]

In order to achieve the above-mentioned object, an operation mechanism according to the present invention comprises a pair of shafts provided on both sides and a connection provided on one of the shafts. A plurality of operation buttons having a shaft, a fitting hole provided on the other shaft portion, and a connection shaft rotatably fitted thereto, a plurality of operation buttons having a pressing operation portion, and a plurality of the plurality of operation button receiving shaft portions. A bearing member and a bearing member provided with a prevention means for preventing the shaft portion from falling off from the bearing portion, wherein a connection shaft of one of the plurality of operation buttons is fitted into a fitting hole of another operation button. After a plurality of operation buttons are connected together, the operation buttons are attached to a bearing member.

In the above structure, the prevention means comprises a retaining portion provided above the bearing portion so as to have a constant biasing force.

[0008] The operating mechanism of the present invention having the above-described structure is formed by fitting a connecting shaft provided on a shaft of an operating unit into a fitting hole provided on a shaft of another operating unit. By connecting the operation buttons, and by attaching the operation buttons to the bearing member, it is not necessary to adjust the interval between the operation buttons, and the operation mechanism can be realized, so that only the configuration can be simplified. Therefore, the assembling work can be simplified, and the cost can be reduced.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of an operation mechanism to which the present invention is applied will be described below with reference to FIGS. In this embodiment, shaft portions 4 and 5 having the same outer diameter are provided on both sides of the operation button 1 corresponding to the same axial direction. A connecting shaft 4a is projected from the center of the shaft of one shaft 4 in the axial direction, and the connecting shaft 4a of the other operation button 1 is turned around the center of the other shaft 5. A fitting hole 5a is provided to be movably fitted.

The operation button 1 includes a flat pressing portion 2 pressed by a finger or the like, and an arm portion 3 vertically provided at a rear lower portion of the pressing portion 2. It is fitted into an operation plate (not shown) connected to the operation mechanism of the recording / reproducing device.

The shafts 4, 5 are provided on both sides of the arm 3, respectively, and a connecting shaft 4 a protruding from one shaft 4 is provided.
Has an outer diameter substantially the same as the inner diameter of the fitting hole 5a formed in the other shaft portion 5.

On the other hand, the recording / reproducing apparatus 6 is provided with bearing members 7... The bearing member 7 has a concave portion 7a on which the outer peripheral lower surfaces of the shaft portions 4 and 5 are placed, and retaining members 7b and 7 formed so as to cover the upper portion of the concave portion 7a with a certain biasing force.
c.

Then, the connecting shaft 4a of one operation button 1 is inserted into the fitting hole 5a of the other operation button 1, and the shaft portion 4 of each operation button 1,
After the plurality of shafts 5 are connected to each other in the axial direction, the connected shafts 4 and 5 are pushed into the bearing members 7 of the recording / reproducing device 6 as shown in FIG. 4,
Hang 5

To operate the embodiment constructed as described above, a finger or the like is used to press a pressing portion 2 of a predetermined operation button 1 corresponding to each operation such as reproduction or recording. That is, when the pressing portion 2 of the predetermined operation button 1 is pressed, the arm portion 3 rotates about each of the shaft portions 4 and 5 fitted in the concave portion 7a, and the operation plate of the recording / reproducing device 6 is moved inward. And a predetermined operation such as reproduction or recording is performed.

As described above, according to the operation mechanism of the present invention, a shaft through which all the operation buttons 1 pass is not required, so that the appearance is good, and the frame for supporting this shaft can be omitted. Not only the cost but also the assembly cost can be reduced.

Further, since it is not necessary to previously assemble the operation buttons 1 as in the prior art, it is possible to cope with a change in the pressing portion 2 and the like at a low cost, and it can be used as an operation means of various devices.

Next, another embodiment of the operating mechanism according to the present invention will be described with reference to FIG. 4. The same components as those in the above-described embodiment will be denoted by the same reference numerals as those in the above-described embodiment. It will be simplified.

In this embodiment, an operation button 11 is constructed by vertically suspending an arm portion 8 below the pressing portion 2. Shaft portions 4 and 5 having the same outer diameter are provided on both sides of the arm portion 3 of the operation button 11 in the same manner as in the above-described case.
a, and a fitting hole 5a is formed in the other shaft portion 5.

The recording / reproducing apparatus 6 is also provided with recesses 7a for mounting the outer peripheral lower surfaces of the shafts 4, 5 at regular intervals so as to be fitted with the shafts 4, 5 described above. 7b, 7c so as to cover the upper portion of 7a with a certain biasing force.
Is formed. Also in this embodiment, the operation buttons 11 are prevented from falling off by fitting the connected shaft portions 4 and 5 between the concave portion 7a and the retaining members 7b and 7c in the same manner as in the above-described embodiment.

As described above, in the present embodiment, the lower end of the arm portion 8 is hooked on the tip of the operation plate 9 of the recording / reproducing apparatus 6, and the operation and effect are the same as those of the above-described embodiment. Is omitted.

The present invention can be variously modified without departing from the gist thereof. For example, the above-mentioned retaining provided on the recording / reproducing apparatus may be provided on the shaft of the operation button.

[0022]

As described above, the operating mechanism according to the present invention has a plurality of connecting shafts provided on the shaft portion of the operating portion fitted into fitting holes provided on the shaft portions of the other operating portions. By connecting the operation buttons and attaching the operation buttons to the bearing member, it is not necessary to adjust the interval between the operation buttons, and the operation mechanism can be realized. No frame is required, which not only simplifies the configuration, but also simplifies the assembly work and reduces costs, and allows quick changes to the shape of operation buttons and the like. It has the effect of being able to deal with it.

[Brief description of the drawings]

FIG. 1 is a perspective view of an operation mechanism according to an embodiment of the present invention.

FIG. 2 is a plan view illustrating an assembled state of the operation buttons.

FIG. 3 is a plan view showing a state in which the operation button is inserted into a bearing member.

FIG. 4 is a perspective view of another embodiment of the operating mechanism of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 operation button 2 pressing part 3, 8 arm part 4, 5 shaft part 4 a connecting shaft 5 a fitting hole 6 recording / reproducing device 7 bearing member

Claims (2)

(57) [Claims] 1. A pair of shafts provided on both sides, a connecting shaft provided on one of the pair of shafts, and the connecting shaft provided on the other shaft are rotatably fitted. A plurality of operation buttons having a fitting hole to be fitted and a pressing operation portion; a plurality of bearing portions for receiving the pair of shaft portions of the plurality of operation buttons; and preventing the shaft portions from falling off from the bearing portions. A bearing member provided with preventing means for connecting the plurality of operation buttons by connecting the connection shaft of one of the plurality of operation buttons to the fitting hole of another operation button. After that, the operation mechanism is attached to the bearing member. 2. The operating mechanism according to claim 1, wherein said preventing means comprises a retaining portion provided above said bearing portion so as to have a constant biasing force.