JPH041597Y2 - - Google Patents

Description

[Detailed explanation of the idea] (Industrial application field) The present invention relates to a display device.

(Prior Art) In a conventional display device, a display surface is formed by a large number of reversible display bodies, and a desired display is achieved by reversing a predetermined display body among the display bodies constituting the display surface. For example, there are devices that can display prices at gas stations.

(Problems to be Solved by the Invention) However, this type of display device does not always display as described above.

Even in the non-display state, if the display surface is exposed to the outside, there is a risk that dust or the like may enter the inside of the device and obstruct the operation of the internal mechanism, thereby preventing smooth display operation.

In order to solve this problem, it is possible to provide a shield on the display screen, but if the shield is simply provided, the display function of the display device will be wasted when the display screen is covered with the shield. Put it away.

The purpose of this invention is to solve the above-mentioned problems, protect the internal mechanism of the display device from external dust, ensure smooth display operation, and maintain display even when the display surface is covered with a shield. The purpose is to make it functional.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides the following display device.

That is, a first display surface is constructed by attaching to the machine frame a number of display bodies that are reversibly supported by a support member and have permanent magnets that are driven via electromagnets provided on the mounting member; This is a display device with a shield that opens and closes a display window on the screen and a shield that forms a second display screen when the display window is closed.

(Example) The illustrated embodiment will be described below.

FIG. 1 is a sectional view showing one embodiment of the present invention display device with a shield, and FIG. 2 is a front view.

1 is a machine frame in which a window portion 1a is formed on the front and back sides,
A display 2 having a first display surface A formed of a large number of reversible display bodies is attached to the machine frame 1. A total of two display devices 2 are provided on the front and back, and therefore, a total of two first display surfaces A are also formed on the front and back. The structure of the display body forming the display surface A will be described later.

Reference numeral 3 denotes a shielding body which opens and closes the window portion 1a, and when closed, can shield the first display surfaces A and A, and when shielded, can shield the second display surfaces B and B.
is beginning to form.

In this embodiment, the shielding body 3 is constituted by a blind-like shutter made up of a number of strips 3a arranged in series, and the surface of each strip 3a is colored in a different color (for example, black) from the ground color (for example, white). Colored second display surface B
For example, as shown in FIG. 3, advertisements such as "Open for Business" can be displayed.

In FIG. 3, the background color C is white, and the letter D, which says "open for business", is black. The shutter 3 is supported and suspended by a support member 4 installed on the machine frame 1, and can be compressed and housed upward by a take-up motor 5 fixed to the machine frame 1.

Number 6 is a fluorescent light, and there are a total of 4 on the top and bottom of the front and back.
Books provided.

Reference numeral 1b indicates a hole drilled in the side surface of the machine frame 1, and is an insertion port for a cable 38 that connects an operation panel 36 (see FIG. 5) and a display 2, which will be described later.

FIGS. 6 and 7 show an example of a display element having the display body. The display device 2 is formed by arranging a large number of such display elements in a matrix.

In FIGS. 6 and 7, reference numeral 10 denotes an attachment member to the machine frame 1, to which an electromagnet 11 is attached as a driving means. The electromagnet 11 has a coil 13 as usual.
The iron core 14 is fitted into the bobbin 12 wound with
The installation state of this iron core can be adjusted using a nut 15. The mounting member 10 has a support member 16 made of a non-magnetic material made of a character frame, and as shown in FIG. There is.

A permanent magnet fixing member 19 is swingably mounted on the support member 16 via a shaft 21, and as shown in FIG.
is fitted and fixed with protrusions 19a and 19b, and constitutes a pendulum body 29 together with an arm 25, which will be described later.

A pin 22 is provided in a protruding manner on the permanent magnet fixing member 19, and this pin 22 is engaged with a guide hole 23 of the support member 16 to be slidable.

25 is an arm equipped with a pin 26 at the tip and a key hole 27 formed at the base;
A pipe 33 protruding from the permanent magnet fixing member 19
The key 32 is fitted.

40 denotes two plates 4 having two display parts 41 and 42 orthogonal to each other, as shown in FIG.
1', 42', and a support plate 43 is integrally formed between these two plates 41', 42' to connect both plates.

The display body 40 is rotatably supported by the support member 16 by a shaft 44 inserted through the support plate 43 . Each display section 4 is provided on the support plate 43.
An elongated hole 45 that forms an angle of 45° with 1 and 42 and faces toward the center of rotation is bored, and two balance weights 46 and 46 are fitted between the elongated hole 45 and the elongated hole 45. Then, the arm 25 is inserted into the elongated hole 45.
A pin 26 protruding from the tip is slidably engaged.

In the display element described above, if the electromagnet 11 is energized and a north pole is generated in the yoke 17 from the state shown in FIG. rotates. Therefore, the arm 25 also rotates, and the pin 26 at the tip of the arm
Since the display body 40 is engaged with the elongated hole 45 of the display body, the display body 40 also rotates to the state shown in FIG. 12.

When a current in the opposite direction is passed through the electromagnet 11, the yoke 1
7, the S pole of the pendulum body 29 is repelled and reversed, and the display body 40 is also reversed and returns to the position shown in FIG. That is, in the state shown in FIG. 11, the display body 41 is displayed, and in the state shown in FIG. 12, the display section 42 is displayed.

Since the balance weight 46 also rotates as the display body 40 rotates, the display body 40 is reversed by its inertia. Also, pendulum body 2
Permanent magnet fixing member 19 to restrict rotation of 9
The pin 22 slides along the guide hole 23,
Rotation is restricted at both ends of the guide hole 23.

When the display body 40 rotates and reaches the state shown in FIG. 11 or 12, the elongated hole 45 of the display body 40 engages with the pin 26 of the arm 25, so that it is mechanically Since it is locked, the display 4
The 0 inversion operation is prevented, and the display state is reliably maintained.

The display device 2 has a plurality of display elements as described above arranged in a matrix, and by the above-mentioned reversing operation, desired arithmetic numerals, alphabetic characters, and other advertising characters can be reliably formed. It's becoming like that.

Reference numerals 40 in FIG. 13 each represent a single display element, and numbers and the like can be displayed by a combination of these display elements.

Therefore, the display device 2 can display the price of gasoline, diesel oil, etc. under computer control at a gas station or the like, and as shown in FIG. Desired numbers can be displayed on the display 2, and the digital numbers can be made to blink to enhance the message effect.

FIG. 14 shows how the display screen blinks to enhance the message effect.

In FIG. 5, reference numeral 39 indicates a relay terminal board attached to an indoor wall, but it is not necessary to provide this if the operation panel 36 is installed outdoors.

In the above-described display device, when performing normal display, the first display surface A is not covered with the shielding body 3, and the first display surface A is formed by a large number of reversible display bodies 40. A can be used to invert a predetermined display among the display bodies constituting the first display surface A to display a desired display (price display at a gas station in the above example) When no display is to be performed, the first display surface A is shielded by the shield 3, and a secondary predetermined display (as in the above example) is performed on the second display surface B formed by the shield 3. ``Open for business''). When performing secondary display without performing this normal display, the shielding body 3 is placed on the first display surface A.
Since it is shielded, there is no possibility that dust or the like will enter the inside of the device and obstruct the operation of the internal reversing mechanism, etc.

Therefore, according to this embodiment, the shielding body 3 protects the internal mechanism of the display device from external dust and the like to ensure a smooth display operation, and the shielding body 3 protects the internal mechanism of the display device from external dust, etc.
Even when the display surface of the screen is shielded, the display function can be performed on the second display surface B formed by the shielding body 3 itself.

Although one embodiment of the present device has been described above,
The present invention is not limited to the above embodiments, and can be modified as appropriate. For example, the display element constituting the display is not limited to the above-mentioned two-sided magnetic reversal element, but may be any suitable reversal element such as a one-sided reversal element.

The shielding body is not limited to a blind type.
Any material can be used as long as it can shield the device surface and provide the second display, so it may be a curtain-like material, for example.

The surface of each strip 3a of the blind may be further coated with a transparent synthetic resin film on top of the colored paint. In this case, peeling of the paint can be prevented.

(Operations and Effects) Since the display device with a shield according to the present invention has the above-mentioned configuration, it exhibits the following operations and effects.

That is, when performing normal display, the display window of the first display surface is not covered with a shielding member, and the first display surface formed of a large number of reversible display members is used to display the display window of the first display surface. Among the display elements constituting the display surface 1, a predetermined display element can be reversed to display a desired display (in the above example, a price display at a gas station, etc.), and does not display a normal display. In this case, the display window of the first display surface is shielded by a shield, and a secondary predetermined display (for example, "Open for Business") is displayed on the second display surface formed by the shield. display).

When performing secondary display without performing this normal display, since the shielding body shields the display window on the first display screen, there is no possibility that dust etc. may enter the inside of the device on the first display surface. It does not interfere with the operation of internal mechanisms.

Therefore, according to the present invention, the shield protects the internal mechanism of the display device from external dust, etc. to ensure smooth display operation, and even when the display window on the first display surface is shielded by the shield, the A display effect can be performed on the second display surface formed by the shield itself.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing an embodiment of the display device with a shield according to the present invention, FIG. 2 is a front view of the same as above, FIG. 3 is a front view of the second display state of the above, FIG. 4 is a right side view of the same as above, FIG. 5 is a schematic diagram of an installation example of the above, FIG. 6 is a perspective view of the display element, FIG. 7 is a side view of the same, FIG. 8 is a partially assembled perspective view of the same, and FIG. 9 is an exploded perspective view of the pendulum body. Figure 10 is an exploded perspective view of the display body,
FIG. 2 is an explanatory diagram of the same operation as above, FIG. 13 is a layout diagram of the display body on the first display surface, and FIG. 14 is a diagram showing an example of how the display device is used. 3... Shielding body, 40... Display body, A... First display surface, B... Second display surface.

Claims (1)

[Scope of utility model registration request] A first display surface configured by attaching to the machine frame a number of display bodies having permanent magnets that are reversibly supported by a support member and driven via electromagnets provided on the mounting member; A display device with a shield, which includes a display window that is opened and closed, and a shield that forms a second display surface when the display window is closed.