JPH08160873A - Display device - Google Patents

Abstract

PURPOSE: To improve appearance and to prevent the incursion of harmful insects through the hole of a support part by providing a projection along the bottom periphery of the hole of the support part and making small a space created between the rear surface of a display part and the support hole even when the display part is inclined. CONSTITUTION: This display device is constructed by a support part 11 with a hole 11a formed in its upper part, a rear surface lower part disposed so as to cover the hole 11a of the support part 11 and a display part 12 provided so as to be inclined in the back and forth direction of the support part 11. A projection 13 is provided along the bottom part periphery of the hole 11a of the support part 11. The height of the projection 13 is preferably set so as not to interfere the inclination of the display part 12. Thus, even when the display part 12 inclines, a space created between the rear surface of the display 12 and the hole 11a of the support part 11 is small, it is difficult to see the hole 11a of the support part 11 from the outside, the appearance is improved and the incursion of harmful insects, such as cockroaches, through the hole 11a of the support part 11 is prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided with a pillar portion having a hole formed in an upper portion thereof and a lower back surface thereof so as to cover the hole of the pillar portion, and is provided so as to be tiltable in the front-back direction of the pillar portion. The present invention relates to a display device including a display unit.

[0002]

2. Description of the Related Art Next, a conventional example will be described with reference to the drawings.
FIG. 11 is a partial side sectional view of a display device used in the POS system. In the figure, the display device includes a column portion 1 having a hole 1a formed in an upper portion thereof, and a display portion 2 arranged so that a lower rear portion thereof covers the hole 1a of the column portion 1 and tiltably provided in a front-back direction of the column portion. It consists of and.

A display such as a liquid crystal panel is provided in the display section 2. On the lower back of the display unit 2,
The hole 2a is formed. A cable 3 for supplying electric power to the liquid crystal display or the like in the display unit 2 and supplying a signal is passed from the hole 1a of the support unit 1 to the hole 2a of the display unit 2.

[0004]

In the liquid crystal display device having the above structure, when the display unit 2 is in a substantially vertical position (the position indicated by the chain double-dashed line in FIG. 11), the back surface of the display unit 2 forms the hole 1a of the column 1. Since it is positioned so as to cover it, the hole 1a of the column 1 is not visible from the outside.

However, when the display unit 2 at the position indicated by the alternate long and two short dashes line is tilted clockwise to the position of the solid line, the back surface of the display unit 2 moves away from the hole 1a of the supporting column 11, so that the rear surface of the display unit 2 and the supporting column unit. A space is generated between the hole 1a of No. 1 and the hole 1a of the column 1 can be easily visually recognized from the outside, and the appearance is poor,
Further, there is a problem that harmful insects such as cockroaches enter through the holes 1a of the support column 1 and the holes 2a of the display unit 2.

The present invention has been made in view of the above problems, and an object thereof is to provide a display device which has a good appearance and can prevent invasion of harmful insects and the like.

[0007]

FIG. 1 is a diagram illustrating the principle of the present invention. In the figure, 11 is a column part having a hole 11a formed in the upper part, 12 is a display part which is arranged so that the lower back part covers the hole 11a of the column part 11 and is tiltable in the front-back direction of the column part 11. is there. A protrusion 13 is provided along the lower peripheral edge of the hole 11 a of the column 11.

The height of the protrusion 13 shown in FIG.
It is desirable that the height is such that it does not interfere with the tilting of. Furthermore,
A hole 12a may be provided on the back surface of the display unit 12 in order to supply an electric current to the display unit and send and receive a signal, and a cable may be passed from the hole 11a of the support unit 11 to the hole 12a of the display unit 12.

As an example of the tilting mechanism of the display unit 12, the display unit has a first surface facing one side surface of the supporting column portion and a second surface facing the other side surface of the supporting column portion. One side surface of the display portion and the first surface of the display portion, a projection is provided on one surface of the display portion, and a hole into which the projection fits is provided on the other surface, and the other side surface of the support portion and the second surface of the display portion are provided. There is one in which a projection is provided on one surface and a hole into which the projection fits is provided on the other surface.

Further, it is preferable to provide a lock mechanism for prohibiting the tilting of the display section 12. As an example of the lock mechanism, it is provided on either one of the column part and the display part,
There is a plurality of concave portions on the circumference centered on the tilt center and a convex portion provided on the other and engaging with the concave portion, and at least one of the concave portion and the convex portion has elasticity.

[0011]

In the display device of the present invention shown in FIG.
Since 3 is provided along the lower peripheral edge of the hole 11a of the column 11, the space generated between the back surface of the display 12 and the hole 11a of the column 11 is reduced even if the display 12 tilts. The hole 11a of the pillar 11 is less visible from the outside and has a good appearance, and also prevents harmful insects such as cockroaches from entering through the hole 11a of the pillar 11.

Further, by setting the height of the projection 13 to a height that does not interfere with the tilting of the display unit 12, the display unit 12 tilts without interference. Furthermore, a hole 12a is provided on the back surface of the display unit 12,
By passing a cable from the hole 11a of the column 11 to the hole 12a of the display unit 12, current is supplied to the display unit and signals are transmitted and received.

Further, by providing the lock mechanism, the tilting of the display portion 12 is prohibited when locked.

[0014]

EXAMPLE First, the overall structure of the display device of this example will be described with reference to FIGS. 3 is a front view of the entire display device of this embodiment, FIG. 4 is a right side view of FIG. 3, and FIG. 5 is a rear view of FIG.

In these figures, a column 21 is mounted on the base 20. Reference numeral 22 denotes a display unit provided on the upper portion of the support column 21 so as to be tiltable in the front-back direction of the support column 21. A window 23 is opened on the front surface of the display unit 22, and a liquid crystal panel 24 for displaying information is provided in the window 23. Reference numeral 25 is a brightness adjusting dial for adjusting the brightness of the liquid crystal panel 24, and 26 is a contrast adjusting dial for adjusting the contrast of the liquid crystal panel 24.

Next, the support column 21 will be described with reference to FIGS. 6 and 7. FIG. 6 is a front view of the column portion in FIG. 2, and FIG. 7 is a right side view of FIG. In these figures, the column portion 21 is a molded product of plastic or the like and has a hollow structure, and a hole 21a is formed in the upper front surface. Further, inverted U-shaped slits 21b are formed on the upper portions of both side surfaces of the column portion 21, and the portion surrounded by the slits 21b is a tongue portion 21c that is flexible in the arrow direction in FIG. There is. A protrusion 21d having a circular cross section is provided on the tongue portion 21c.

The upper rear surface of the column 21 has two protrusions 21.
A cylindrical surface portion 21e whose center axis is a line segment connecting d is formed, and a plurality of engagement grooves 21f are formed on the cylindrical surface portion 21e along the generatrix direction. Further, the cylindrical surface portion 21
A stopper portion 21h is formed below e.

A protrusion 21g is formed along the lower peripheral edge of the hole 21a of the column 21. This protrusion 21g
Is set to a height that does not interfere with the back surface of the display unit 22.

Next, the rear surface of the display unit 22 will be described with reference to FIGS. 8 is a rear view of the display unit, and FIG. 9 is a sectional view taken along the line AA in FIG. On the lower back of the display unit 22,
Two standing wall parts facing the two side surfaces of the pillar part 21.
(First surface, second surface) 22a is formed. The interval W between these two standing wall portions 22a is set to be equal to or slightly larger than the width w of the column portion 21. Further, the width w'of the column portion 21 including the protrusion 21d is set to be larger than the distance W between the two standing wall portions 22a.

The protrusions 2 of the column 21 are provided on each standing wall 22a.
A hole 22b that can be engaged with 1d is formed. Further, between the standing wall portions 22a, a cylindrical surface portion 22c having a line segment connecting the two holes 22b as a central axis and facing the cylindrical surface portion 21e of the supporting column portion 21 and having flexibility in the arrow direction in FIG. 9 is formed. Has been done. The radius R of the inner surface of the cylindrical surface portion 22c is set to be equal to or slightly larger than the radius r of the cylindrical surface portion 21e of the column portion 21. Further, the cylindrical surface portion 22
On the inner surface of c, the engagement groove 2 of the cylindrical surface portion 21e of the column portion 21 is formed.
A protrusion 22d that can be engaged with 1f is formed. Furthermore,
A hole 22e is formed on the back surface of the display portion 22 between the standing wall portions 22a.

Next, a method of assembling the strut portion 21 and the display portion 22 having such a configuration will be described with reference to FIG. Figure 2
FIG. 3 is a configuration diagram of a main part of an embodiment of the present invention. When the upper portion of the pillar portion 21 is inserted between the standing wall portions 22a of the display portion 22, the protrusion 21d of the pillar portion 21 is pushed, and each tongue portion 21c of the pillar portion 21 is pushed.
Bends inward. In this state, the display portion 22 is continuously inserted, and when the hole 22b of the standing wall portion 22a of the display portion 22 reaches the projection 21d of the column portion 21, the elastic restoring force of the tongue portion 21c causes the projection 21d to engage with the hole 22b. .

At this time, if the projection 22d of the cylindrical surface portion 22c of the display portion 22 is engaged with one engagement groove 21f of the plurality of engagement grooves 21f of the cylindrical surface portion 21e of the strut portion 21, it is assembled. Although the attachment is completed, the cylindrical surface portion 22c of the display unit 22
When the protrusion 22d of the display portion 21 presses the cylindrical surface portion 21e other than the engagement groove 21f of the display portion 21, the display portion 22 is tilted forward or backward, and the protrusion 22d of the cylindrical surface portion 22c of the display portion 22 is supported by the pillar. The assembly is completed in a state in which the tilting of the display unit 22 is prohibited (locked state) by engaging one of the plurality of engaging grooves 21f of the cylindrical surface portion 21e of the portion 21 with the engaging groove 21f.

In FIG. 2, numeral 30 is passed from the hole 21a of the support column 21 to the hole 22e of the display section 22.
Is a cable for supplying power to the backlight of the liquid crystal panel 24 and for transmitting and receiving signals to and from the liquid crystal panel 24.

Next, the operation of the above configuration will be described. For example, a force that tilts backward is applied to the display unit 22 in the locked state shown in FIG. Then, the protrusion 22d of the flexible cylindrical surface portion 22c of the display portion 22 rides up from the engagement groove 21f of the cylindrical surface portion 21e of the support portion 21, and the display portion 22 tilts. The display portion 22 can be tilted until the tip of the cylindrical surface portion 22c of the display portion 22 comes into contact with the stopper portion 21h of the column portion 21. In FIG. 10, the distal end portion of the cylindrical surface portion 22c of the display portion 22 is the stopper portion 21h of the support column portion 21.
The state of being in contact with is shown.

Further, a force tilting forward is applied to the display portion 22 in the locked state shown in FIG. Similar to the above, the projection 22d of the flexible cylindrical surface portion 22c of the display portion 22
Rides up from the engagement groove 21f of the cylindrical surface portion 21e of the column portion 21, and the display portion 22 tilts. Then, the display unit 22 can be tilted until the back surface of the display unit 22 comes into contact with the front surface of the column unit 21.

According to the above construction, the protrusion 21g is provided along the lower peripheral edge of the hole 21a of the supporting column 21,
Even if the display unit 22 tilts, the back surface of the display unit 22 and the support unit 2
The space generated between the first hole 21a and the first hole 21a becomes small, and the hole 21a of the column part 21 becomes hard to see from the outside, and the appearance is improved.

Further, the hole 21a of the column portion 21 and the display portion 2 are provided.
It is possible to prevent harmful insects such as cockroaches from entering through the hole 22e on the back surface of the second member. The present invention is not limited to the above embodiment. In the above embodiment, in order to attach the display portion 22 to the support portion 21 so as to be tiltable, the projection 22d is fitted to the support portion 21 side and the projection 22d is fitted to the display portion 22 side.
Although b is provided respectively, conversely, a hole may be provided on the support column 21 side and a protrusion may be provided on the display unit 22 side.

That is, one of the tongue portion 21c of the column portion 21 and the one standing wall portion 22a of the display portion 22 is provided with a hole into which the protrusion and the protrusion fit, and the other tongue portion of the column portion 21 is provided. A protrusion may be provided on either one of the portion 21c and the other standing wall portion 22a of the display unit 22, and a hole into which the protrusion fits may be provided on the other.

Further, the display portion 22 may be tiltably provided on the column portion 21 by using a shaft or the like.

[0030]

As described above, according to the present invention, since the projection is provided along the lower peripheral edge of the hole of the supporting column, even if the display unit is tilted, the hole of the rear surface of the displaying unit and the hole of the supporting column is obtained. The space generated between and becomes smaller, the holes of the supporting columns become harder to see from the outside, and it looks good, and also prevents harmful insects such as cockroaches from entering through the holes of the supporting columns.

Further, by setting the height of the protrusion to a height that does not interfere with the tilt of the display unit, the display unit tilts without interference. Further, a hole is provided on the back surface of the display portion, and a cable is passed from the hole of the supporting column portion to the hole of the display portion to supply an electric current into the display portion and exchange a signal.

Further, by providing the lock mechanism, the tilting of the display portion is prohibited when locked.

[Brief description of drawings]

FIG. 1 is a principle diagram of the present invention.

FIG. 2 is a configuration diagram of a main part of an embodiment of the present invention.

FIG. 3 is a front view of the entire display device shown in FIG.

FIG. 4 is a right side view of FIG.

FIG. 5 is a rear view of FIG.

FIG. 6 is a front view of a column portion in FIG.

FIG. 7 is a right side view of FIG.

FIG. 8 is a rear view of the display unit in FIG.

9 is a cross-sectional view taken along the line AA in FIG.

FIG. 10 is a diagram illustrating an operation in FIG.

FIG. 11 is a partial side sectional view of a display device used in the POS system.

[Explanation of symbols]

 11 Supports 11a, 12a Hole 12 Display 13 Protrusion

Claims (6)

[Claims] 1. A display comprising: a pillar portion having a hole formed in an upper portion thereof; and a display portion arranged so that a lower rear portion thereof covers the hole of the pillar portion and tiltably provided in a front-back direction of the pillar portion. The display device is characterized in that a protrusion is provided along a lower peripheral edge of the hole of the support column. 2. The display device according to claim 1, wherein the height of the protrusion is a height that does not interfere with tilting of the display unit. 3. The display device according to claim 1, wherein a hole is provided on the back surface of the display unit, and a cable is passed from the hole of the support column to the hole of the display unit. 4. The display unit has a first surface facing one side surface of the pillar portion and a second surface facing the other side surface of the pillar portion. A projection is provided on one of the side surface and the first surface of the display portion, and a hole into which the projection is fitted is provided on the other surface, and the other side surface of the column portion and the second surface of the display portion are provided. The display device according to any one of claims 1 to 3, wherein a projection is provided on one of the surfaces and a hole into which the projection is fitted is provided on the other surface. 5. The display device according to claim 1, further comprising a lock mechanism that prohibits tilting of the display unit. 6. The lock mechanism is provided on either one of the column portion and the display portion, is provided with a plurality of concave portions on a circumference centered on a tilt center, and is provided on the other portion, and is engaged with the concave portion. The display device according to any one of claims 1 to 5, wherein the display device comprises a convex portion that fits, and at least one of the concave portion and the convex portion has elasticity.