JPH05181456A - Keyboard device - Google Patents

Abstract

PURPOSE:To provide the keyboard device which speeds up and secures the assembly of respective groups of integrated keys in a keyboard chassis without spoiling the beauty of the outward appearance of the whole key board. CONSTITUTION:A cylindrical projection 11 for fixation which is formed at a coupling part 4 which couples rear end parts of one group of integrated keys 7 is inserted into through holes 22 and 23 formed in the coupling parts 5 and 6 of other two groups of integrated keys 8 and 9 and a lock hole 20 formed in the keyboard chassis 10, while the projection is inserted, a pressed-in member 12 is pressed in the cylindrical projection 11 for fixation. Consequently, the groups of integrated keys 7, 8, and 9 can speedily and securely be fixed to the keyboard chassis 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a keyboard device having a plurality of sets of integral keys fixed to a keyboard chassis.

[0002]

2. Description of the Related Art Conventionally, a plurality of sets of integrated keys and a plurality of sets of integrated keys are formed from a plurality of key bodies that are operated by key depression and a connecting portion that connects rear end portions of these key bodies. A keyboard device including a keyboard chassis fixed in a combined state is known.

[0003]

By the way, in the case of the above-described conventional keyboard device, common screw holes are formed in the connecting portions formed in each set of integral keys, and these common screw holes are formed. By inserting a screw into the inside and tightening the screw, the connecting portion is screwed to a predetermined position of the keyboard chassis. For this reason, when fixing each of the connecting parts to the keyboard chassis while tightening the screw inserted in the common screw hole, when the screw is tightened, a set of integrated parts located at the uppermost position due to the rotational torque of the screw When a key is slightly screwed in, it rotates around that screw, which causes uneven gaps between adjacent keys, impairing the aesthetic appearance of the entire keyboard. , There was a problem. Also, since a large number of screws are used to screw the connecting portion formed on each set of integral keys onto the keyboard chassis, the keyboard chassis
There is also a problem that the work of assembling the integrated key of each set to the shi is complicated. The present invention has been made in view of these problems in the related art, and does not impair the aesthetic appearance of the entire keyboard, and quickly and reliably assembles the integrated key of each group into the keyboard chassis. It is an object of the present invention to provide a keyboard device that can be used in the above.

[0004]

In order to solve these problems, the present invention provides a plurality of sets of a key body that is operated by key depression and a connecting portion that connects rear end portions of these key bodies. A body key, a keyboard chassis to which a plurality of sets of integral keys are fixed in a state of being combined with each other, and an integral formation on the connecting portion of one set of the plurality of sets of integral keys And a press-fitting member press-fitted into the cylindrical fixing projection. The cylindrical fixing projections formed on the one set of integral keys are provided in the through holes formed in the connecting portions of the other two sets of integral keys, and the keyboard chassis.
It is inserted into the locking hole formed in the seal. In this inserted state, the plurality of sets of integral keys are fixed to the keyboard chassis by press-fitting the press-fitting members into the cylindrical fixing projections. The through hole is, for example, a hole that is long in the longitudinal direction of the connecting portion.

[0005]

According to the present invention, the cylindrical fixing projection formed on the connecting portion for connecting the rear end portions of the pair of integrated keys to each other is used as the connecting portion of the other two sets of integrated keys. It is inserted into the through-hole formed in and the locking hole formed in the keyboard chassis, and in this inserted state, the press-fitting member is press-fitted into the cylindrical fixing projection. As a result, the plurality of sets of integrated keys can be fixed to the keyboard chassis quickly and reliably.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to illustrated embodiments. FIG. 1 is a plan view showing a keyboard device according to an embodiment of the present invention, FIG. 2 is a plan view of essential parts showing the keyboard device shown in FIG. 1, and FIG. 3 shows an integrated key constituting the keyboard device shown in FIG. FIG. 4 is an exploded perspective view showing the essential parts of the integrated key of each set fixed on the keyboard chassis. These Figure 1
As shown in FIG. 4, in the keyboard device according to this embodiment, a plurality of key bodies 1, 2, 3 to be depressed and a strip-shaped coupling for coupling the rear end portions of these key bodies 1, 2, 3 together. Part 4,
3 sets of integrated keys 7, 8 and 9 composed of 5 and 6, and
A keyboard chassis 10 in which these three sets of integrated keys 7, 8 and 9 are fixed together, and one set of the three sets of integrated keys 7, 8 and 9 7, a cylindrical fixing projection 11, which is integrally formed with the connecting portion 4 of FIG.

In this embodiment, the three sets of integrated keys 7, 8 and 9 are composed of one set of black keys and two sets of white keys. Further, thin hinges 13, 14, 15 are provided on the rear end sides of the key bodies 1, 2, 3 and upper limit regulating stopper portions 16, 17, 18 are provided on the lower front end positions, respectively. It is integrally formed. The cylindrical fixing projection 11,
11 is integrally formed on the lower portion of both ends of the strip-shaped connecting portion 4 formed on the pair of integral keys 7, and the outer periphery of the cylindrical fixing projections 11, 11 is formed. , Fig. 5
As shown in FIG. 2, a plurality of slits 19 are formed at predetermined intervals in the axial direction.
When 1 and 11 are press-fitted, these slits 19 are pushed open. Further, on the outer periphery of the tips of the cylindrical fixing projections 11, 11, there are locking projections 2 which are engaged with locking holes 20 formed in the keyboard chassis 10.
1 is formed to project. This cylindrical fixing protrusion 1
Reference numerals 1 and 11 denote through holes 22 and 23 formed in the connecting portions 5 and 6 of the other two sets of integrated keys 8 and 9 and a locking hole 20 formed in the keyboard chassis 10. When the tubular fixing projections 11, 11 are inserted, the tubular fixing projections 1 are inserted in the inserted state.
When the press-fitting members 12, 12 are press-fitted into the keys 1, 11, the three sets of integral keys 7, 8, 9 are fixed to the keyboard chassis 10 by the press-fitting. There is.

The through holes 22 and 23 formed in the connecting portions 5 and 6 of the other two sets of integral keys 8 and 9 are formed long in the longitudinal direction of the belt-like connecting portions 5 and 6. ing. Therefore, the three sets of the integrated keys 7, 8 and 9 can be fixed to each other in the longitudinal direction of the belt-shaped connecting portions 5 and 6 in such a manner that their positions are adjustable. In addition, on the keyboard chassis 10,
Pressing protrusion 30 formed on the lower part of each integrated key 7, 8, 9
A rubber switch 31 that is pressed by is provided.

Next, an example of an assembling procedure of the keyboard device according to this embodiment will be described. First, the locking holes 2 formed in the keyboard chassis 10 with the connecting portions 5 and 6 formed at the rear ends of the integrated keys 8 and 9 superimposed on each other.
The connecting portions 5 and 6 are located at the 0 position. Next, the connecting portion 4 formed at the rear end of the integrated key 7 is placed on the connecting portions 5 and 6. After that, the fixing projection 11 formed on the integral key 7 is inserted into the through holes 22 and 23 formed in the connecting portions 5 and 6 and the locking hole 20 formed in the keyboard chassis 10. Insert into each. After this, the press-fitting member 12 is press-fitted inside the fixing projection 11. Then, the press-fitting action of the press-fitting member 12 pushes open the portions of the plurality of slits 19 formed on the outer periphery of the fixing projection 11. Therefore, the locking projection 21 formed at the tip of the fixing projection 11 is pressed against the outer peripheral surface of the locking hole 20. As a result, the fixing projection 1
By the action of 1 and the press-fitting member 12, three sets of integrated keys 7,
8 and 9 are firmly fixed to the keyboard chassis 10.

When the integrated keys 7, 8 and 9 are not properly aligned with each other in the longitudinal direction of the connecting portions 4, 5 and 6, they are formed in the integrated keys 8 and 9. Since the respective through holes 22 and 23 that are formed are long in the longitudinal direction of the integrated keys 8 and 9, the three sets of integrated keys 7, 8 and 9 are arranged in the longitudinal direction of the strip-shaped connecting portions 5 and 6. By adjusting the positions of each other, the integrated keys 7, 8, 9 are connected to each other by the connecting portion 4,
It is possible to fix them in a state in which they are properly aligned with each other in the longitudinal direction of 5 and 6.

[0011]

As is apparent from the above description, according to the present invention, the cylindrical fixing projection formed on the connecting portion for connecting the rear end portions of the pair of integral-type keys to each other is provided. The two sets of the integrated keys are inserted into the through holes formed in the connecting portion and the locking holes formed in the keyboard chassis, and in this inserted state, the cylindrical fixing member is fixed. The press-fitting member is press-fitted into the protrusion. As a result, the plurality of sets of integrated keys can be fixed to the keyboard chassis quickly and reliably.

[Brief description of drawings]

FIG. 1 is a plan view showing a keyboard device according to an embodiment of the present invention.

FIG. 2 is a plan view of relevant parts showing the keyboard device shown in FIG.

3 is an exploded perspective view showing an integrated key that constitutes the keyboard device shown in FIG. 1. FIG.

FIG. 4 is a cross-sectional view of essential parts showing a state in which the integrated keys of each set are fixed on a keyboard chassis.

FIG. 5 is an exploded cross-sectional view showing a cylindrical fixing protrusion, a plurality of sets of integral keys, and a keyboard chassis.

[Explanation of symbols]

 1 Key Main Body 2 Key Main Body 3 Key Main Body 4 Connection Part 5 Connection Part 6 Connection Part 7 Integrated Key 8 Integrated Key 9 Integrated Key 10 Keyboard Chassis 11 Fixing Protrusion 12 Press-fitting Member 20 Locking Hole 22 Through Hole 23 Through hole

Claims (2)

[Claims] 1. A plurality of sets of integrated keys comprising a plurality of key bodies to be depressed and a connecting portion for connecting rear end portions of the key bodies, and the plurality of sets of integrated keys are combined with each other. A keyboard chassis that is fixed in a state, and a press-fitting member that is press-fitted into a cylindrical fixing protrusion integrally formed with the connecting portion of one set of integrated keys of the plurality of sets of integrated keys. The tubular fixing projections formed on the one set of integral keys, the cylindrical fixing projections in the through holes formed in the connecting portions of the other two sets of integral keys, and the keyboard chassis. The press-fitting member is press-fitted into the cylindrical fixing projection in a state of being inserted into the locking hole formed in, so that the plurality of sets of integral keys are fixed to the keyboard chassis. A keyboard device characterized in that 2. The keyboard device according to claim 1, wherein the through hole is a hole elongated in a longitudinal direction of the connecting portion.