JPH0633332U - Small keyboard switch - Google Patents

Abstract

(57) [Abstract] [Purpose] In a small keyboard switch, space is saved, and an ergonomically arranged operation section is provided to prevent switching malfunctions, regardless of custom. [Structure] The operation section 4 is provided substantially in the center of the upper surface of the switch body, and a plurality of operation buttons 7 are arranged around the operation section 4. A step 13 is formed between the operation section 4 and a large number of operation buttons 7 provided around the operation section 4.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a keyboard switch, and more particularly, to a small keyboard switch that is provided with a large number of operating parts in the substantially central part and its periphery to achieve downsizing and prevents malfunctions of simultaneously operating a plurality of operating parts. .

[0002]

[Prior art]

 Conventionally, this type of small keyboard switch has a flat rectangular prism shape in which four contact buttons are vertically arranged in three rows and arranged in a grid pattern as operation parts, as shown in FIG. The keyboard switch consisting of the main body was common.

[0003]

[Problems to be solved by the device]

 However, the above-mentioned conventional keyboard switch has a drawback that it becomes large as a whole because the operation buttons having the same shape in the vertical and horizontal directions are arranged in a grid pattern.

Further, it is conceivable to make one operation button small in order to make it compact, but there is a limit due to the size of the finger, and it causes a mistaken operation such as pressing a plurality of operation buttons. There was a drawback that

The present invention eliminates the above-mentioned drawbacks, saves space, and at the same time, ergonomically arranges the operation section regardless of the custom, thereby making it possible to prevent erroneous operation. The purpose is to provide a keyboard switch.

[0006]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention provides at least one operation section at the substantially central portion of the upper surface of the switch body and arranges a large number of operation buttons around the operation section. Further, a step or a wall frame may be provided on the central operation section and the operation buttons around it.

[0007]

[Action]

 According to the present invention, since it is configured as described above, it is possible to prevent an erroneous operation of simultaneously pressing other operation buttons arranged around the operation portion when operating the operation portion at the substantially center.

[0008]

【Example】

 Hereinafter, the present invention will be described in detail with reference to the drawings for each of its preferred embodiments.

FIG. 1A is a front view showing a first embodiment of a small keyboard switch according to the present invention, FIG. 1B is an exploded perspective view thereof, and FIG. 1C is a plan view thereof.

In these figures, a circuit pattern 2 and a plurality of contact points 3 are formed on a rectangular printed board 1, and an operating section 4 is provided at a substantially central portion of the printed board 1 and a shaft is provided on opposite side surfaces. The button is loosely fitted to the support base 5 due to the concavo-convex relationship and is arranged so as to be tiltable left and right.

A plurality of operation buttons 7 are provided which cover the printed circuit board 1, have a rectangular through hole 6 in the center thereof, and have a contact 3 for closing the electric path by short-circuiting the respective contacts around the through hole 6, and an elastic member. 8 are integrally formed.

Further, a frame having a plurality of through holes 9 through which the operation buttons 7 of the elastic member 8 project is formed in the periphery, and a rectangular through hole 10 in which a corrugated button serving as the operation unit 4 is arranged is provided at a substantially central portion. The body 11 is formed, and the switch main body is assembled by fitting the printed board 1 and the printed circuit board 1 in a concave-convex relationship.

A wall frame 12 projecting upward is formed around a rectangular through hole 10 provided at the substantially center of the frame body 11.

The corrugated operation portion 4 provided at the substantially central portion and the operation button 7 arranged around the operation portion 4 are arranged with a step 13.

As described above, an appropriate step 13 is provided between the operation portion 4 in the substantially central portion and a large number of operation buttons 7 provided around the operation portion 4, and further in the outer peripheral portion of the operation portion 4 in the center. By providing the wall frame 12, it is possible to completely prevent the erroneous operation of operating the operation button 7 at the same time as the operation section 4 even if the operation section 4 in the center and the operation button 7 in the outer peripheral section are close to each other. It is possible.

FIG. 2 (a) is a front view showing a second embodiment of the small keyboard switch according to the present invention, in which an inclined surface 2 descending from an operation portion 4 which is a corrugated operation button arranged at the center. A frame 21 provided with 1a is formed, and a plurality of operation buttons 7 are arranged on this inclined surface 21a. With such a structure, when the operation section (waveform button) 4 arranged in the center is operated, the finger operates only the waveform button 4 as shown in FIG. No pressing of 7 at the same time.

FIG. 3 is a perspective view of a corrugated button as the operation unit 4. The corrugated button 4 has a contact 4a at its tip and elastic pieces 4b integrally formed on the left and right lower surfaces. There is. The elastic piece 4b is for automatically returning the waveform button 4. The elastic piece 4b is an example, and a coil spring or a leaf spring may be provided to automatically return the elastic piece.

FIG. 4 is a plan view showing a third embodiment of a small keyboard switch according to the present invention, in which a switch body is formed into a round shape by using a round frame body 31, and a round shape is formed in a substantially central portion. A wave-shaped button 24 having a shape is arranged, and a plurality of operation buttons 27 are arranged on the outer periphery thereof.

FIG. 5 is a perspective view showing a fourth embodiment of the small-sized keyboard switch according to the present invention, which is connected to a key using a solenoid 32 and is substantially in the center of the upper surface of a circular switch body. A small keyboard switch is formed by arranging an operating section 34, which is formed by dividing a circle into four parts, and an operating button 37, which is formed by dividing the periphery thereof into eight parts.

Then, the secret code is stored by the operation button 37, and by pressing the operation button of the secret code, the solenoid 32 is operated by the circuit such as an IC provided in the switch main body and the sliding piece 33 is operated. Can be moved to the left and right, and the sliding piece 33 can be engaged in the recess to close the key.

In the embodiment of the present invention, important keys such as a memory (M) and a clear (C) are arranged in an operation section provided at a substantially central portion of the switch body, and numeric keys for setting are arranged around the key. Although they are arranged, various other arrangements are possible.

The present invention is not limited to the above-described embodiments, and various modifications can be made based on the spirit of the present invention, and these modifications are not excluded from the scope of the present invention.

[0023]

[Effect of device]

 As described above in detail, according to the present invention, the following effects can be obtained.

(1) By providing the operation portion in the substantially central portion of the switch body and disposing a large number of operation buttons around the operation portion, a small size can be achieved despite the large number of operation buttons. Moreover, it is possible to provide a small keyboard switch that is easy to operate without simultaneously pressing a plurality of operation buttons.

(2) In spite of the fact that the operation buttons are densely packed for downsizing, a step is provided between the operation section at the central portion and the operation button surface provided on the outer periphery thereof, so that at the same time It is possible to prevent an erroneous operation of pressing the operation button, and moreover, by providing a protruding wall on the outer periphery of the operation portion in the substantially central portion, it is possible to further prevent the erroneous operation.

(3) Since a switch body is provided with an operation portion substantially in the center thereof and a plurality of operation buttons are arranged on the circumference of the operation portion, it is possible to manufacture a small and particularly thin device. A compact keyboard switch that fits the design of the entire device and that is easy to install can be obtained without occupying space for installation.

(4) Since the operation portion is provided in the substantially central portion of the switch body and a large number of operation buttons are arranged around the operation portion, an important operation portion can be provided in the substantially central portion. In addition, it is possible to provide a compact keyboard switch that is reasonably arranged so as not to be overlooked ergonomically.

(5) By providing a waveform button as an operation portion in the substantially central portion of the switch body and disposing a plurality of operation buttons on the circumference of the waveform button, similar operation and surrounding operation can be performed. It is possible to provide a small keyboard switch that is not prone to an erroneous operation by being touched by a finger together with other operation parts during operation, even though it is close to the button.

[Brief description of drawings]

1A is a front view showing a first embodiment of a small keyboard switch according to the present invention, and FIG. 1B is an exploded perspective view showing a first embodiment of a small keyboard switch according to the present invention. FIG. 3C is a plan view showing a first embodiment of a small keyboard switch according to the present invention.

2A is a front view showing a second embodiment of the small keyboard switch according to the present invention, and FIG. 2B is a perspective view showing the second embodiment of the small keyboard switch according to the present invention. is there.

FIG. 3 is a partially cutaway perspective view showing an embodiment of a waveform button according to the present invention.

FIG. 4 is a plan view showing a third embodiment of a small keyboard switch according to the present invention.

FIG. 5 is a perspective view showing a fourth embodiment of a small keyboard switch according to the present invention.

FIG. 6 is a plan view of a conventional keyboard switch.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Printed circuit board 2 ... Circuit pattern 3, 4a ... Contact point 4, 24, 34 ... Operation part (waveform operation button) 5 ... Support stand 6, 9, 10 ... Through hole 7, 27, 37, 47 ... Operation button 8 ... Elastic member 11, 21, 31, 41 ... Frame body 12 ... Wall frame 12a ... Inclined surface 13 ... Step 14 ... Terminal 15 ... IC 32 ... Solenoid 33 ... Sliding piece 35 ... Lead wire

Claims (5)

[Scope of utility model registration request] 1. A switch having a large number of operation buttons and contacts arranged in a switch body and closing the contacts by pressing the operation buttons, wherein at least one operation portion is provided at a substantially central portion of an upper surface of the switch body. A small keyboard switch characterized in that a plurality of operation buttons are also provided around the operation section. 2. The step according to claim 1, further comprising: a step provided between an operation section provided on an upper surface of the switch body at a substantially central portion and a plurality of operation buttons provided around the operation section. Small keyboard switch. 3. A plurality of operation buttons are provided by providing an inclined surface that descends toward the outer periphery from the outside of the operation portion at the substantially central portion provided on the upper surface of the switch body. Small keyboard switch described in. 4. The small keyboard switch according to claim 1, further comprising an operation button provided at a substantially central portion of an upper surface of the switch body, which is an operation button tiltable to the left and right. 5. The miniature keyboard switch according to claim 1, further comprising a memory circuit by IC and a solenoid provided in the switch body, the key switch being opened and closed by a personal identification number.