JPS6025608Y2 - Multi-item information input device - Google Patents

Description

[Detailed description of the invention] The present invention relates to a multi-item information input device for cordless computer input, and in particular, the items corresponding to each key are written on the underside of a transparent key mat on which a large number of input keys are arranged. The present invention relates to a multi-item information input device configured to sequentially draw out a large number of flexible sheets.

In this type of device, the above-mentioned flexible sheet is stored in a wound state in a housing, and the required sheets are sequentially pulled out from the housing.

The casing in which the sheet is stored is detachable and can be replaced with another casing in which another sheet is stored, a so-called cartridge exchange structure.

However, since the sheet is elastic, when the sheet is wound inside the housing and the housing is taken out, the sheet may fly out of the housing due to the elastic force of the sheet.

This poses a problem in that it is inconvenient to store the housing, that is, the cartridge, and to attach and detach the cartridge, and there is also a risk of damaging the sheet.

Further, there is a problem in that when the operating shaft is manually rotated in order to replace the sheet or write items on the sheet, there is a risk that the sheet will wind up backwards.

The present invention was developed in view of the above-mentioned points, and the present invention automatically regulates the rotation in a certain direction of the operating shaft to which the seat is attached within the casing when the casing is taken out. The structure is to prevent the sheet from flying out from the casing when the casing is taken out, thereby facilitating cartridge replacement and storage, preventing damage to the sheet, and further preventing the sheet from winding backwards. The purpose is to

Next, an embodiment of the apparatus according to the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of a multi-item information input device according to the present invention. Several dozen flexible sheets with items corresponding to each key written on the underside of the machine are sequentially pulled out.

In the figure, reference numeral 1 denotes an input device main body, and a rectangular key mat 2 is provided on the upper surface of the main body 1, and a large number of invisible man keys 2a are arranged on the key mat 2.

Further, one side of the key mat 2 is pivotally attached to the main body 1 so that it can be opened and closed in the vertical direction, and a sheet insertion part 3 and a cartridge insertion part 4 are provided on the lower surface side of the key mat 2. A film cartridge 5 shown in FIG. 2 is detachably attached to the insertion portion 4.

As shown in FIG. 2, the cartridge 5 has a substantially rectangular parallelepiped outer casing 6, and one side of the outer casing 6 is opened as a sheet ejecting section 6a. The seat 7, which is moved forward and backward, is attached to an operating shaft 8 inserted into the outer casing 6 via seat holders 9 and 10.

The holders 9, 10 are disk-shaped, and the holders 9, 10 are
As shown in FIG. 6, a large number of sheet attachment holes 9a and 10a are formed in the outer peripheral edge of the holder 9. Since 24 sheets 7 are used in this embodiment, each holder 9. Twenty-four mounting holes 9a and 10a are formed at angular intervals of 15 degrees.

The seat 7 is attached by detachably fitting the mounting rods 11 of the seat 7 into the mounting holes 9a and 10a, and the mounting rods 11 are made of a flexible material such as glass fiber. and the rod 1
One side of the sheet 7 is wound around the rod 11, leaving both ends of the rod 11.

Further, the holters 9 and 10 are connected to a shaft fixing position adjusting device 12.
This adjustment device 12 is fixed to the operating shaft 8 via the operating shaft 8, as shown in the exploded perspective view of FIG.
It has an inner ring 14 that is fixed to the holders 9 and 10 by pins 13, and an outer ring 15 that encloses the inner ring 14 and is fixed to the holders 9 and 10.

The inner ring 14 is partially cut out to form a substantially U-shape, and the surfaces created by this cutout are used as adjustment screw contact surfaces 14a and 14b, and the corresponding contact surfaces 14a.

14b is defined as a gap 14c.

On the other hand, the outer ring 15 has the operating shaft 8 at its center.
It has a shape in which an operation insertion hole 16 is formed through which the operation insertion hole 16 is inserted,
A fitting hole 17 into which the inner ring 14 is fitted is formed on the outer periphery of the insertion hole 16, and the fitting hole 17 has a circular outer periphery on one side of the outer ring 15. It is said to have a concave shape formed by being scraped away.

Further, the diameter of the fitting hole 17 is approximately equal to the outer diameter of the inner ring 14, so that the inner ring 14
In the inserted state, the inner ring 14 is slidable and rotatable with respect to the insertion hole 17.

Two screw holes 18.19 are formed from the outer circumferential wall of the outer ring 15 to the fitting hole 17, and adjustment screws 20.21 are screwed into the screw holes 18.19. Each end of the screw 20, 21 is connected to the inner ring 1.
4, thereby preventing rotation of the inner ring 14 with respect to the outer ring 15, so that the inner ring 14 and the outer ring 15 are integrated.

Further, one end of the operating shaft 8 is extended to the outside of the outer casing 6, and is connected to the coupling shaft 23 via the shaft connection and fixing device 22.
The connection and fixation device 22 of this shaft is
As shown in FIGS. 8 to 10, a fitting hole 24 is provided on one shaft.
is formed, and a fitting protrusion 25 is formed on the other shaft to be fitted into the fitting hole 24, and in the fitted state, the fitting protrusion 25 is expanded and fixed. .

In this embodiment, the operating shaft 8 is separated from the shaft, and a fitting hole 24 is formed on its end surface, and the coupling shaft 23 is separated from the shaft, and a fitting protrusion 25 is formed protruding from its end surface. A slit 26 is formed in the fitting protrusion 25 along the axial direction.

The fitting protrusion 25 and a part of the coupling shaft 23 are divided into two from the center along the axial direction by the slit 26, and one surface of the inner wall surface of the slit 26 is the operating screw contact surface 27. The inner wall surface facing the corresponding contact surface 27 is provided with a screw hole 2 that reaches the outer peripheral surface of the coupling shaft 23.
8 is formed.

An expansion operation screw 29 is screwed into the screw hole 28, and its tip is brought into contact with the operation screw contact surface 27. In this embodiment, the expansion operation screw 29 is also used as a coupling pin. For this reason, it is configured to protrude outward from the coupling shaft 23 and is connected to a coupling device (not shown).

The position and depth of the above-mentioned slit 26 are set according to the rigidity of the coupling shaft 23 as an off-axis and the diameter of the shaft. For example, if the shaft has a dog diameter, the slit 26 is Either the slit 26 is made deeper, or the slit 26 is formed not in the center but in a position biased to one side.

Further, as shown in FIGS. 11A and 11B, the operating shaft 8 is provided with a ratchet gear 30 that rotates together with the operating shaft 8, and a ratchet pawl 31 that is engaged with and disengaged from the ratchet gear 30 is , is pivotally connected to a fulcrum shaft 32 implanted in the casing 6, and a spring 3.3 is wound around the fulcrum shaft 32 for biasing the engaging tip 31a of the ratchet pawl 31 in the direction of the ratchet gear 30. There is.

This ratchet pawl 31 has a substantially triangular plate shape,
The apex is the engagement tip 31a, the other apex is pivotally connected to the fulcrum shaft 32, and the remaining apex is the ratchet pawl operating portion 31b.

Furthermore, a ratchet operation window 34 is formed by cutting out the lower part of the housing 6 corresponding to the operation section 31b, and a ratchet operation window 34 is formed in the cartridge insertion section 4 at a location corresponding to the operation window 34. A ratchet operation protrusion 35 is formed which comes into contact with the ratchet operation protrusion 35.

The teeth of the ratchet gear 30 are oriented so that, when engaged with the ratchet pawl 31, the operating shaft 8 is rotatable only in a fixed direction that winds the sheet 7 into the cartridge 5.

Next, the operation of the device configured as described above will be explained.

First, when replacing the cartridge 5, rotate the operation shaft 8 to store the sheet 7 in the cartridge 5, lift the key mat 2, and then remove the cartridge 5 easily as shown in FIG. can.

When the cartridge 5 is taken out in this way, the ratchet gear 30 and the ratchet pawl 31 are forced to engage with each other as shown in FIG. It is held without flying out in any direction.

Next, another cartridge 5 is inserted into the cartridge insertion section 4, and at the same time as this insertion, the ratchet pawl 3
The first operating section 31b is pressed against the protrusion 35.

In this way, the ratchet pawl 31 is rotated about the fulcrum shaft 32 against the spring 33, and the engagement between the ratchet gear 30 and the ratchet pawl 31 is released.

Therefore, when the cartridge 6 is inserted into the insertion section 4, the operation shaft 8 automatically becomes free, and conversely, when the cartridge 6 is taken out from the insertion section 4, the operation shaft 8 automatically moves in one direction. rotation will be regulated.

Furthermore, when replacing the seat 7, by bending the rod 11 with the seat 7 pulled out, the rod 11 will come off from the attachment holes 9a, 10a and can be easily taken out.

At this point, when another sheet 7 is attached and the sheet 7 is stored in the cartridge 5 again, the operation shaft 8 is manually rotated, but at this time, the direction of rotation is restricted by the ratchet gear 30 and the ratchet pawl 31. There is no risk of the sheet winding backwards.

When the operating shaft 8 is rotated with the cartridge 6 stored in the storage section 4, one sheet 7a among the 24 sheets 7 is moved to the lower surface of the transparent key mat 2, that is, the sheet insertion section. 3, and the remaining sheet 7b is stored in a storage section (not shown) formed at the bottom of the sheet insertion section 3.

As described above, by rotating the operating shaft 8, the desired sheets 7a are sorted and fed out onto the lower surface of the key mat 2, and the reliability of this sorting of sheets 1-7 depends on the rotation angle of the operating shaft 8. It is determined by location.

The rotation angle position can be adjusted with high precision by adjusting the connection and fixing device 22 of the shaft,
Next, the operation of the shaft connection and fixing device 22 will be explained.

First, in order to attach the coupling shaft 23 to the operating shaft 8, as shown in FIGS. 8 to 10, attach the coupling shaft 23.
The fitting projection 25 is inserted into the fitting hole 24 of the operating shaft 8, and the expansion operation screw 29 is screwed to move the expansion operation screw 29 toward the contact surface 27. is fitting hole 2
4, the operating shaft 8 and the coupling shaft 23
are strongly connected.

Therefore, in order to adjust the angular position of the coupling shaft 23 with respect to the operating shaft 8, the expansion operating screw 29 is loosened to fix one of the shafts 8, 23 and the other shaft 23,
8 and tighten the expansion operation screw 29 again.

At this time, the expansion operation screw 29 is not in direct contact with the operating shaft 8, so there is no risk of a deviation in the angular positional relationship between the operation shaft 8 and the compression shaft 23 due to the screwing operation of the expansion operation screw 29. It becomes.

In addition, in the sheet 7 feeding operation, the sheet 7
If the mounting state of the shaft is incorrect, a smooth feeding operation cannot be performed, so it is necessary to adjust this using the fixing position adjustment device 12 of the shaft.

That is, both side edges of the seat 7 are connected to the seat holder 9.
, 10, if there is a difference in the mounting angle of each holder 9, 10 with respect to the operation shaft 8, the sheet 7 will be fed out in an oblique state, and the sheet insertion portion 3
There is a risk that it may get caught in the middle.

Next, the operation of the shaft fixing position adjusting device 12 for adjusting the mounting angle of each holder 9, 10 with respect to the operating shaft 8 will be explained.

As shown in FIG. 6, the shaft fixing position adjusting device 12 is configured by bringing the ends of the adjusting screws 20 and 21 into contact with each of the contact surfaces 14a and 14b of the inner ring 14, thereby connecting the inner ring 14 and the outer ring. Since the ring 15 is fixed, that is, the operating shaft 8 and the holders 9 and 10 are fixed, the holder 9 is fixed to the operating shaft 8 by screwing the two adjusting screws 20 and 21. , 10 can be adjusted.

For example, in Fig. 6, if you want to fix the holders 9 and 10 by rotating the fixed position with respect to the operating shaft 8 slightly to the right, first loosen the adjustment screw 20 on the left side, then adjust the adjustment screw on the right side. All you have to do is tighten the screw 21.

At this time, if the adjusting screws 20.21 are firmly tightened, the inner ring 14 has a gap 14C, so that the inner ring 14 will absorb the pressing force of the adjusting screws 20.21, as shown in FIG. be accepted and expanded.

Therefore, the outer circumferential surface of the inner ring 14 is pressed against the inner wall surface of the insertion hole 17, and the fixation between the inner ring 14 and the outer ring 15 is extremely strong, and there is no risk of looseness or the like.

In addition, in the embodiment described above, the operation part 31 of the ratchet pawl 31
b is provided at the lower part of the casing 6, but this is provided at the upper part of the casing 6, and a ratchet operating protrusion 35 is formed on the lower surface side of the key mat 2, so that the ratchet can be used to open and close the key mat 2. It is also possible to have a configuration in which the claws are moved.

As explained above, according to the present invention, since the rotation in a certain direction of the operating shaft to which the seat is attached inside the housing is automatically regulated when the housing is taken out, cartridge replacement is possible. At this time, there is no fear that the sheet will fly out of the housing, which makes cartridge replacement and storage easy, and there is no risk of damaging the sheet.

In addition, even if you manually rotate the operating shaft when replacing the sheet or writing items on the sheet, the rotation direction is regulated by the ratchet gear and ratchet pawl, so there is no risk of the sheet winding backwards. be.

[Brief explanation of the drawing]

Figures 1A and B are perspective views of a multi-item information input device in which the device according to the present invention is used, Figures 2A and B are perspective views of the cartridge, and Figure 3 shows how the operating shaft and seat are attached. 4 is a perspective view showing the shaft fixing position adjusting device, FIG. 5 is an exploded perspective view, FIG. 6 is a sectional view, and FIG.
The figure is an explanatory front view of the same, Figures 8A and B are perspective views showing the shaft connection and fixing device, Figure 9 is a side view showing the same disassembled state, Figure 1
0 is a sectional view of the same, and FIGS. 11A and 11B are sectional views showing the ratchet portion of the cartridge, which is the main part of the present invention. 1...Multi-item information input device, 2...Key mat, 2a...Key switch, 4...
... Cartridge insertion section, 5 ... Cartridge, 6 ... Housing, 7 ... Seat, 8 ...
...Operation shaft, 30...Ratchet gear, 3
1... Ratchet pawl, 31a... Engagement tip, 31b... Ratchet pawl operating portion, 33...
... Spring, 35 ... Ratchet operation protrusion.

Claims (1)

[Scope of utility model registration request] A multi-item information input device equipped with a sheet storage cartridge that stores a plurality of sheets with information written thereon and is removably attached to the main body of the device, and the information input device includes a sheet storage cartridge that stores a plurality of sheets with information written thereon and is detachably attached to the main body of the device. An operating shaft for winding and holding a plurality of flexible sheets, a ratchet gear that rotates integrally with the operating shaft, a ratchet pawl that can freely engage and disengage from the ratchet gear, and the ratchet pawl. a spring that biases the retaining tip of the ratchet gear in the direction of the ratchet gear;
The multi-item information input device is characterized in that the device main body is provided with a protrusion that comes into contact with one end of the ratchet pawl and moves its tip to release the attachment when the cartridge is installed in the device main body. Device.