JP2003148450A - Tilt mechanism and display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tilt mechanism having less number of parts, formed in a simple structure, and capable of being steplessly fixed at any tilt angle. SOLUTION: This tilt mechanism comprises a tilt body 6 having a pair of tilt pivot parts 12 and a tilt sliding surface 13 of arc shape in cross section having, as a center, the tilt pivot parts 12, a recessed part 14 opposed to the tilt sliding surface 13 of the tilt body 6 formed and installed on a body case 5, an engagement part provided on both sides of the recessed part 14 and engaging the tilt pivot parts 12 therewith, and an elastic member 17 installed in the recessed part 14 so as to be pressed against the tilt sliding surface 13 of the tilt body 6 installed to the body case 5 by engaging the engagement part with the tilt pivot parts 12. Thus, in this tilt mechanism, the number of parts is less, the structure is simplified, and the tilt body 6 is fixed steplessly at any tilt angle by the pressing force of the elastic member 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tilt mechanism and a display device.

[0002]

2. Description of the Related Art Conventionally, in various devices having a display unit, for example, a small cash register, a calculator, a car navigation system or the like, the convenience of use is improved by tilting the display unit at an angle at which a user can easily recognize it.

As a structure for fixing each tilt angle in such a tilt mechanism, a structure for tightening a tightening screw and a structure for holding by utilizing elasticity of a leaf spring are known. Regarding the tilt structure,
A structure in which the tilt shaft portion is held by a bearing or the like is known.

[0004]

Therefore, in the tilt mechanism of the conventional example, the number of parts and the number of assembling steps are large, and the structure is complicated.

As for the tilt angle, one is selected from a plurality of preset tilt angles, so that the tilt angle can be steplessly tilted to an arbitrary tilt angle that is most easily recognized by the user. It is not possible.

It is an object of the present invention to provide a tilt mechanism having a simple structure and capable of adjusting the tilt angle steplessly, and a display device equipped with such a tilt mechanism.

[0007]

The present invention is directed to a tilt body having a pair of tilt fulcrums, which serve as the center of tilt operation, and a tilt sliding surface having a circular arc shape in cross section, which centers on the tilt fulcrums. A recess formed on a body case to which the tilt body is attached and facing the tilt sliding surface of the tilt body attached to the body case, and the tilt fulcrums provided on both sides of the recess engage with each other. An engaging member and an elastic member that is provided in the recess and is pressed against the tilt sliding surface of the tilt body that is attached to the body case by engaging the engaging member and the tilt fulcrum. With.

Therefore, when the tilt body is attached to the main body case by providing the elastic member in the concave portion and engaging the tilt fulcrum portion with the engaging portion, the elastic member forms the inner peripheral surface of the concave portion and the tilt sliding surface. It will be sandwiched between and will press the tilt sliding surface. Then, since the tilt body is fixed by the pressing force of the elastic member acting on the tilt sliding surface, the tilt body can be fixed steplessly at any tilt angle. Further, structurally, an elastic member is arranged between the concave portion of the main body case and the tilt sliding surface of the tilt body,
It has a simple structure. Moreover, a special fixing operation for fixing the tilt body at an arbitrary tilt angle is unnecessary.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a first embodiment of the present invention.
Or, it demonstrates based on FIG. FIG. 1 is a perspective view showing the entire structure of a display device having a printer function, FIG. 2 is a vertical sectional side view thereof, and FIG. 3 is a vertical sectional front view thereof.

This display device comprises an input operation section 1 and a display section 2.
And a printing unit 3 and a roll paper storage unit 4. The input operation unit 1, the display unit 2, the printing unit 3, and the roll paper storage unit 4 are located on the main body case 5 in front of the operator. They are arranged in order from the side.

The input operation unit 1 is composed of ten keys and various function keys.

The display unit 2 is a place where the contents of data input from the input operation unit 1 are displayed, and the display unit 2 is attached to a tilt body 6 described later.

The printing unit 3 comprises a platen 7, a motor (not shown) for rotating the platen 7 about its axis, a thermal head 8 pressed against the outer peripheral surface of the platen 7, and the like.

A roll paper 9 is stored and held in the roll paper storage unit 4 by a throwing method, and a portion of the roll paper 9 pulled out from the roll state is sandwiched by a platen 7 and a thermal head 8. The roll paper 9 sandwiched between the platen 7 and the thermal head 8 is pulled out from the roll state as the platen 7 is driven to rotate, and the predetermined items displayed on the display unit 2 are printed on the roll paper 9 by the thermal head 8. It

The tilt body 6 has a pair of side surface portions 10 facing each other in parallel and a connecting portion 11 connecting the side surface portions 10 to each other, and a tilt support which is a tilt fulcrum portion is provided on an outer peripheral surface portion of the side surface portion 10. A shaft 12 is provided. Further, the side surface portion 10
A tilt sliding surface 13 having an arc-shaped cross section centered on the tilt support shaft 12 is formed on one end side of the. A portion of the side surface portion 10 on the one end side where the tilt sliding surface 13 is formed is flexible enough to be bent in the direction of arrow a shown in FIG.

A recess 14 is formed in the main body case 5 as a place to which the tilt body 6 is attached. Long holes 15 as engaging portions are formed on both sides of the concave portion 14, and the tilt support shaft 12 of the tilt body 6 attached to the main body case 5 is engaged with the long holes 15. Also, the recess 1
The inner peripheral surface 16 of the reference numeral 4 is formed in a circular arc shape in cross section that faces the tilt sliding surface 13 of the tilt body 6 attached to the main body case 5 substantially in parallel.

A sheet-shaped felt body 17, which is an elastic member, is arranged in the recess 14, and the entire felt body 17 is formed to have a substantially uniform thickness. When the felt body 17 is arranged in the main body case 5 and the tilt body 6 is attached to the main body case 5, the felt body 17 is sandwiched by the inner peripheral surface 16 of the concave portion 14 and the tilt sliding surface 13 of the tilt body 6, and tilted. A pressing force is applied to the sliding surface 13. The tilt body 6 is pushed upward by this pressing force, and the tilt support shaft 12 is pressed against the upper side edge portion of the elongated hole 15, whereby the tilt body 6 is fixed at the tilt position.

In such a configuration, the contents of the data input by the input operation of the input operation unit 1 are displayed on the display unit 2, and the print key, which is one of the function keys in the input operation unit 1, is pressed. As a result, the roll paper 9 is sent out by driving the transport motor, and the predetermined item displayed on the display unit 2 is printed on the roll paper 9.

When inputting data to be displayed on the display unit 2 from the input operation unit 1, it is desirable to tilt the display unit 2 to the most visible angle for confirmation of the input data.

When the display unit 2 is tilted to the tilt angle at which it is most visible, a finger is placed on the upper side of the display unit 2 and a force is applied in the desired tilt direction. As a result, the display unit 2 tilts together with the tilt body 6 about the tilt support shaft 12.

Here, the tilt body 6 is supported by engaging the tilt support shaft 12 with the elongated hole 15, and a pressing force is applied from the felt body 17 so that the tilt support shaft 12 has an upper side edge portion of the elongated hole 15. Since the tilt angle at that time is fixed by being pressed by, the tilt body 6 can be easily tilted by pressing the display unit 2 with a finger. Further, when the finger is released from the display unit 2 after tilting to the position of the predetermined tilt angle, the display unit 2 is fixed at the tilt angle together with the tilt member 6 by the pressing force of the felt body 17, so the tilt angle is adjusted. Can be performed steplessly at any angle. Moreover, a special fixing operation for fixing the tilt body 6 at an arbitrary tilt angle is unnecessary.

Further, the inner peripheral surface 16 of the concave portion 14 is formed in a circular arc shape in cross section which faces the tilt sliding surface 13 substantially in parallel, and the felt body 17 is formed in a sheet shape having a substantially uniform thickness. The formed inner peripheral surface 16 of the recess 14 and the tilt body 6 are formed.
Since it is sandwiched between the tilt sliding surface 13 and the tilt sliding surface 13, the pressing force applied from the felt body 17 to each part of the tilt sliding surface 13 can be made substantially constant regardless of the tilt angle of the tilt body 6. Can be maintained. Even if the center of gravity of the tilt body 6 and the display unit 2 changes according to the tilt angle, the position of the tilt body 6 can be reliably fixed at each tilt angle.

Further, the side surface portion 10 of the tilt body 6 is flexible, and when the tilt body 6 is pushed into the recess 14 from above in order to attach the tilt body 6 to the main body case 5,
Since the side wall portion 10 of the tilt body 6 bends in the direction of arrow a shown in FIG.
The tilt body 6 can be easily attached to the body case 5.

In the present embodiment, the case where the inner peripheral surface 16 of the recess 14 is formed in the arc shape in cross section has been described as an example, but it is not always necessary to form the arc shape in cross section. However, when the cross-sectional shape is formed in a shape other than the arc shape, it is necessary to change the thickness dimension of each part of the felt body 17 according to the inner peripheral surface shape of the recess.

In the present embodiment, the case where the felt body 17 is used as the elastic member for applying the pressing force to the tilt sliding surface 13 of the tilt body 6 has been described as an example, but other elastic members are used. A member such as rubber may be used.

Next, a second embodiment of the present invention will be described with reference to FIG.
It will be described based on. The same parts as those described with reference to FIGS. 1 to 3 are designated by the same reference numerals, and the description thereof will be omitted.

The basic structure of the present embodiment is the same as that of the first embodiment, and the main body case 5 is formed with a recess 14 having an inner peripheral surface 16 having an arc-shaped cross section. The tilt body 6a is attached.

The tilt body 6a includes a pair of side surface portions 10a facing each other in parallel and a connecting portion 1 connecting the side surface portions 10a to each other.
1a, and a tilt bearing concave portion 12a which is a tilt fulcrum portion is provided on an outer peripheral surface portion of the side surface portion 10a. A tilt sliding surface 13 having an arc-shaped cross section centered on the tilt bearing recess 12a is formed on one end side of the side surface portion 10a.

Tilt shaft portions 15a, which are engaging portions, are formed on both sides of the recess 14. Recess 1 which is a part of the main body case 5 and in which the tilt shaft 15a is formed
The portions on both sides of 4 have flexibility, and when the tilt body 6a is pushed into the recess 14 from above in order to attach the tilt body 6a to the body case 5, the tilt shaft portion 15a of the body case 5 is formed. The bent portion is bent outward as indicated by arrow b, and the tilt shaft portion 15a is tilted by the tilt bearing recess 12a.
Engage with.

A sheet-like felt body 17, which is an elastic member, is arranged in the recess 14, and when the tilt body 6a is attached to the main body case 5, the felt body 17 forms the inner peripheral surface 16 of the recess 14 and the tilt body 6a. It is sandwiched by the tilt sliding surface 13 and applies a pressing force to the tilt sliding surface 13. This pressing force presses the lower edge of the tilt bearing recess 12a against the lower edge of the tilt shaft 15a.

In such a structure, when the display section 2 is tilted to the tilt angle that is most visible, a finger is put on the upper side of the display section 2 and a force is applied in the desired tilt direction. As a result, the display unit 2 tilts integrally with the tilt body 6a around the tilt bearing recess 12a.

Here, the tilt body 6a is supported by engaging the tilt shaft portion 15a in the tilt bearing recess 12a, and a pressing force is applied from the felt body 17 to the tilt bearing recess 12a.
Since the lower edge portion of a is pressed by the lower edge portion of the tilt shaft portion 15a to be fixed at the tilt angle at that time, the tilt body 6a is pushed by pressing the display portion 2 with a finger. It can be tilted easily. Further, when the finger is released from the display unit 2 after tilting to the position of the predetermined tilt angle, the display unit 2 is fixed at the tilt angle together with the tilt body 6a by the pressing force of the felt body 17, so that the tilt angle is adjusted. Can be performed steplessly at any angle.

The tilt shaft portion 1 which is a part of the body case 5
The portions on both sides of the concave portion 14 where 5a is formed have flexibility, and when the tilt body 6a is pushed in from above the concave portion 14 to attach the tilt body 6a to the main body case 5, the main body case 5 Since the part of the tilt shaft portion 15a in which the tilt shaft portion 15a is formed bends in the direction of the arrow b, the tilt body 6a can be easily attached to the main body case 5.

[0034]

According to the present invention, the number of parts can be reduced and the structure can be simplified, and the tilt angle of the tilt body can be adjusted steplessly at any angle.
Moreover, the tilt body can be easily fixed at a position of an arbitrary tilt angle without performing a special fixing operation.

[Brief description of drawings]

FIG. 1 is a perspective view showing a display device according to a first embodiment of the present invention.

FIG. 2 is a vertical sectional side view thereof.

FIG. 3 is a vertical sectional front view thereof.

FIG. 4 is a vertical cross-sectional front view showing a second embodiment of the present invention.

[Explanation of symbols]

1 ... Input operation part, 2 ... Display part, 5 ... Main body case, 6, 6
a ... Tilt body, 12, 12a ... Tilt fulcrum portion, 13 ... Tilt sliding surface, 14 ... Recessed portion, 15, 15a ... Engaging portion, 16
... Inner surface, 17 ... Elastic member

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3J105 AA02 AA12 AB22 AB46 AC07                       DA04                 5B019 BA10 EA10 EB01                 5G435 AA18 EE17 EE50 HH18

Claims (4)

[Claims] 1. A tilt body having a pair of tilt fulcrums, which serve as a center of a tilt operation, and a tilt sliding surface having an arcuate cross-section, which has these tilt fulcrums as a center, and a main body case to which the tilt body is attached. A concave portion formed on the main body case facing the tilt sliding surface of the tilt body, engagement portions provided on both sides of the concave portion and engaged with the tilt fulcrums, and And a tilt member that is provided on the main body case and is pressed against the tilt sliding surface of the tilt body attached to the main body case. 2. The inner peripheral surface of the concave portion is formed in a circular arc shape in cross section that faces substantially in parallel with the tilt sliding surface, and the elastic member is formed in a sheet shape having a substantially uniform thickness as a whole. The tilt mechanism according to claim 1, wherein the tilt mechanism is sandwiched between the inner peripheral surface of the recess and the tilt sliding surface of the tilt body. 3. The tilt mechanism according to claim 1, wherein the tilt body has flexibility to bend to a position where the tilt fulcrum portion is engaged with the engaging portion. 4. The tilt mechanism according to claim 1, a display unit provided on the tilt body, and an input operation of data provided on the main body case and displayed on the display unit. And a display device having an input operation unit.