JPH0353263Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a hinge mechanism that serves as an opening/closing axis for the display unit installed in office equipment such as a handy personal computer or a handy word processor that is equipped with an LCD as a display unit.

[Technical background of the invention and its problems]

OA for handy computers, handy word processors, etc.
The LCD unit (display device) in the device is mounted on the top of the keyboard connected to the main body of the device by a hinge mechanism with the LCD surface facing inside.When the device is in use, the LCD unit (display device)
The unit 1 is rotated and raised by the hinge mechanism 3 provided between the device body 2 and the LCD 1
Side a could face the operator. When the device is not in use and stored, LCD unit 1
is superimposed on the top of the keyboard 4. The conventional hinge mechanism 3 used above was constructed as shown in detail in FIG. 3. The ratchet part 5 is a mechanism part that adjusts the tilt angle of the LCD unit 1, and can only adjust the angle in stages in the closing direction, similar to reclining a chair. The rack spring part 6 is a mechanical part that prevents the LCD unit from closing with a snap, and has disadvantages such as having many components, increasing cost, and requiring a large space.

[Purpose of invention]

It is an object of the present invention to provide a low-cost hinge mechanism that eliminates the above-mentioned drawbacks, allows stepless adjustment in both opening and closing directions, and prevents abrupt closing.

[Summary of the idea]

The present invention provides a threaded protruding shaft on both sides of the LCD unit, which serves as the axis of rotation of the LCD unit, and the base of the protruding shaft is supported by a slide plate that makes frictional contact with the side surface of the LCD unit. A member is provided, and a coil spring passing through the member is attached to the protruding shaft, and the coil spring is compressed by a nut screwed into a screw formed on the protruding shaft to create adjustable friction between the slide plate and the side surface of the LCD unit. In addition to generating force, one end of the coil spring is fixed to the unit side and the other end to the support member, so that the torsional force of the coil spring is used to balance the weight of the LCD unit, and this purpose has been achieved. be.

[Example of idea]

FIG. 1, A and B show an embodiment of the present invention;
is one side view, and B is the other side view. In these figures, 11 is an LCD unit, 12 is the main body of the device, 13 is a slide plate that generates friction with the LCD unit 11 and allows the angle of the LCD 11 to be adjusted, and 14 is a slide plate 13. a support member slidably attached to the main body 12;
Reference numeral 5 denotes a protruding shaft integrated with the LCD unit, the base of which is rotatably supported by the slide plate 13, and the other part is threaded to form a pair on the same axis, forming a rotation axis of the LCD unit 11. It is something. 16 has one end 16a fixed movably in the axial direction to the LCD unit 11, and the other end 16b fixed to the slide plate 13 movably in the axial direction to press the slide plate 13 toward the LCD unit 11 and rotate the LCD unit 11. When the LCD unit 11 is
17 is a spring pressure adjusting nut in the compression direction of the torsion coil spring. Reference numeral 18 denotes a guide pin for slidably attaching the support member 14 to the main body 12.

Next, a mechanism for adjusting the angle of the hinge and preventing it from closing with a slam will be explained. Torsion coil spring 1
6, one end 16a is inserted into the LCD unit 11, and the other end 16b is inserted into the slide plate side. The insertion positions are LCD unit 11 and main body 12.
When is almost vertical, the torsion coil spring maintains its free angle. Therefore, whether the LCD unit 11 is opened or closed, the torsion coil spring 16 is twisted and tries to return to its original state. The stepless angle adjustment of the LCD unit 11 is performed using the slide plate 13.
This is done by the frictional force of the LCD unit 11. The friction force is influenced by the force in the compression direction of the torsion coil spring 16. The adjustment is done using the spring pressure adjustment nut 17.
This is done by By tightening this spring pressure adjustment nut 17, the slide plate 13 is pressed toward the LCD unit 11 along the guide pin 18.
The friction force does not require a large force due to the reaction force of the torsion coil spring 16. The angle of the LCD unit 11 is adjusted by manually moving the LCD unit 11 to an appropriate position. When closing the LCD unit 11, it will not close with a slam due to the reaction force of the torsion coil spring.

[Effect of idea]

The present invention is as described above.)
The angle of the LCD unit can be adjusted steplessly in both directions. ) Easy to assemble with few parts. ) Fewer parts and lower parts costs. ) Requires small mounting space. Effects such as this can be obtained.

[Brief explanation of the drawing]

FIGS. 1A and 1B are side views of different sides showing one embodiment of the present invention, and FIGS. 2 and 3 are explanatory diagrams of a conventional example. 11: LCD unit, 12: Device body, 1
3: Slide plate, 14: Support member, 15:
Projecting shaft, 16: Torsion coil spring, 17: Spring pressure adjustment nut.

Claims (1)

[Scope of utility model registration request] A protruding shaft that protrudes from both sides of the LCD unit and is threaded in order to be integrated with the LCD unit and form its rotation axis;
A support member that supports the unit and has a slide plate that forms a friction surface between both sides and is slidably attached to the main body of the device, and a support member that is slidably attached to the main body of the device and has one end attached to the LCD unit and the other end that is passed through the protruding shaft. and a torsion coil spring that is fixed to the support member and tightened by a spring pressure adjusting nut screwed onto the protruding shaft to apply appropriate pressure to the slide plate against the side surface of the LCD unit.
LCD unit hinge mechanism.