JPH0518792Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention is a frame body for an advertising device that allows a display board to be opened and closed smoothly and easily with respect to a frame body containing a light source, without requiring any opening/closing devices such as hinges. It relates to a connection structure with a display board.

Conventionally, advertising devices are constructed by connecting a display board made of acrylic or other material that is surrounded by a holding frame to a frame body containing a light source so that it can be opened and closed, and the display board is connected through an opening/closing fitting such as a hinge. is common.

Therefore, a gap is created between the frame body and the display board holding frame, and rainwater, dirt, etc. flow into the interior through this gap, which not only adversely affects interior parts such as the light source, but also causes rust on the metal fittings. In addition, since the metal fittings are exposed to the outside, the external appearance is poor, and the metal fittings also obstruct the colorization of the outer frame, reducing the advertising and decorative value by half.

The present invention has been made to solve these conventional problems.

Therefore, the purpose of the present invention is to provide an advertisement in which the display board can be smoothly and easily opened and closed with respect to the frame without requiring any opening/closing tools such as hinges, and the display board and interior parts can be easily replaced. It is about providing the equipment.

Another object of the present invention is to provide a highly reliable advertising device that has an excellent waterproof effect and prevents rainwater, dirt, etc. from flowing into the advertising device, and is less likely to malfunction.

Another object of the present invention is to provide an advertising device with a high commercial value, in which the display board can be easily attached to and removed from the frame, has a good appearance, and has a high commercial value.

In order to achieve these objectives, the present invention provides a connection structure between a frame body containing a light source in an advertising device and a display board held by a holding frame, in which a cutting edge is provided on a flat plate portion of an upper frame plate of the frame body. A shaped end edge is formed, and below the end edge, a groove having an arcuate cross section having a radius equal to the length of the end edge is formed, and at the edge of the groove, A slightly thick frame receiving edge is formed with a step lower than the top surface of the upper holding frame by the thickness of the approximately cross-sectional frame portion of the upper holding frame, and the shape of the upper holding frame in which the display board is held is A cutting edge-like edge is formed in the frame, and below the edge is an engaging portion having an arcuate cross section whose radius is the length of the edge and which is inscribed in the arcuate groove. The arcuate engaging portion of the upper holding frame is rotatably connected to the arcuate groove portion of the upper frame plate by contacting the inner surface of the arcuate groove portion of the upper frame plate, and when the display plate is opened, the arcuate engaging portion of the upper holding frame It is opened by upward rotation due to inner surface contact, and when the display board is closed, the blade-like edge of the upper holding frame comes into contact with the blade-like edge of the upper frame plate, and the frame receiving edge It is characterized by a structure in which the upper frame plate and the upper holding frame are closed in a flat and coplanar state by being horizontally supported by the upper frame plate and the upper holding frame.

Hereinafter, the present invention will be explained based on the illustrated embodiments.

First, an overview of the advertising device according to the present invention will be explained with reference to FIGS. 1 and 2.
is composed of upper and lower frame plates 2 and 3 and left and right frame plates 4 and 5, and has a light source 6 inside.
are attached to the opening surface of the frame plate 1, and L-shaped peripheral edges are screwed to the upper and lower holding frames 7, 8, the left side and right side holding frames 9, 10, and each holding frame from the inside. A display board 12 made of acrylic or the like is held by a presser plate 11 and is attached to be openable and closable, and is fixed to the frame 1 by screws 13 from below the lower holding frame 8 during use. It's summery.

Note that although the display board 12 is attached to both the front and back surfaces of the frame 1, it may be attached to only one side, and the advertising device may be of either a hanging type or an upright type using a pole etc. It is not limited.

Each frame board 2, 3, 4, 5 of frame body 1 and display board 1
Each of the holding frames 7, 8, 9, and 10 of 2 is obtained by cutting a long molded integrally made of a light metal material such as aluminum, and its cross-sectional shape is as shown in FIG. Yes, of these, frame board 2,
The cross-sectional shapes of the holding frames 3, 4, and 5 are all the same, and the cross-sectional shapes of the holding frames 8, 9, and 10 are also all the same.

That is, the upper and lower frame plates 2 and 3 have a groove portion 2c having an arcuate cross section whose radius is the length of the edge portions 2b and 3b in the lower longitudinal direction of the edge portions 2b and 3b of the flat plate portions 2a and 3a; 3c, the groove 2c,
A slightly thick frame receiving edge with a step in the longitudinal direction of the edge portion 2b and the lower surface of the edge portion 3b by the thickness of the holding frames 7, 8, 9, and 10. The grooves 2c, 3c have vertical leg portions 2e, 3e in the center longitudinal direction of the lower surface thereof, and fixed mounting portions 2f, 3f horizontal in the inner longitudinal direction of the leg portions 2e, 3e. It has an integrated structure.

On the other hand, the upper holding frame 7 of the display board 12 is arranged in the downward longitudinal direction of the cutting edge-like edge part 7b of the roughly cross-sectional plate part 7a, with the length of the edge part 7b as a radius, and in the arc-shaped groove part 2c. Inscribed engaging portion 7 with an arcuate cross section
c integrally, and has an inward locking protrusion 7d at the lower end of the plate part 7a, and the display board 12 is clamped and fixed by the locking protrusion 7d inside the plate part 7a. It has an integral L-shaped mounting portion 7e for the L-shaped holding plate 11.

Lower holding frame 8 and left and right side holding frames 9, 10
have the same cross-sectional shape except that they do not have the arcuate engaging portion 7c in the upper holding frame 7.

That is, the lower holding frame 8 has a cutting edge-like edge portion 8b.
An inward locking protrusion 8d is provided at the end of a plate portion 8a that is integral with the plate portion 8a and has an L-shaped mounting portion 8e.

Although the holding frames 9 and 10 on the left and right sides are not shown, they are exactly the same as the lower holding frame 8.

In addition, the upper frame plate 2, the upper holding frame 7, and the lower frame plate 3
The relationship between the lower holding frame 8, the left and right side frame plates 4 and 5, and the left and right side holding frames 9 and 10 is as shown in FIG. 7,
8, but the left and right side frame plates 4, 5
The same applies to the relationship between the left and right side holding frames 9 and 10. ), when the display board 12 is closed, the frame boards 2 and 3
edge portions 2b, 3b of and edge portions 7 of holding frames 7, 8
The edge portions of the blades b and 8b are in contact with each other, and are supported horizontally by the frame receiving edges 2d and 3d to form a flat and coplanar shape.

The display plate 12 is attached to the frame plate 1 in the arcuate shape of the upper holding frame 7 within the arcuate groove 2c of the upper frame plate 2, as shown in imaginary lines in FIG. 3 (only one side is shown). This is done by obliquely engaging the engaging portion 7c from above.

In the advertising device configured as described above, in order to open the display board 12 in order to replace the interior light source 6 etc. or to inspect and repair a malfunction of interior parts, the lower part screwed to the lower frame board 3 must be opened. If the screws 13 of the holding frame 8 are removed and the display plate 12 is slightly rotated upward (counterclockwise) by hand, the arcuate engaging portion of the upper holding frame 7 can be removed, as shown by the imaginary line in FIG. 7c stably, smoothly and lightly rotates in the same direction while making inner contact with the arcuate groove 2c of the upper frame plate 2, allowing the display panel 12 to be opened.

In addition, if it is necessary to replace the display board 12 with another one, the display board 12 can be replaced by rotating the display board 12 further upward and disengaging the arc-shaped engaging part 7c from the arc-shaped groove part 2c. easily removed.

To close the display board 12, rotate the display board 12 downward (clockwise) from the open state.
As shown in FIG. 3, the edge portions 2b of the frame plates 2, 3,
3b and the edge portions 7b, 8b of the holding frames 7, 8 are in contact with each other, and the frame plates 2, 3 and the holding frames 7, 8 are horizontally supported by the frame receiving edges 2d, 3d. are flat and coplanar, and at the same time, although not shown, the left and right side frame plates 4 and 5 and the left and right side holding frames 9 and 10 are similarly flat and coplanar and closed. The display board 12 is fixed by screwing screws 13 onto the frame receiving edge 3d of the lower frame board 3 at appropriate locations.

According to the present invention, the display board can be opened and closed with respect to the frame without using any opening/closing fittings such as hinges, and the arc-shaped engaging portion of the upper holding frame that is in inner contact with the arc-shaped groove of the upper frame plate Since this is done through the rotation of the door, opening and closing can be done stably, smoothly and easily, and tasks such as replacing display boards and parts can be done easily.
Moreover, it can be done quickly.

In addition, when the display board is closed, the edge of each frame plate and the edge of each holding frame come into contact with each other, and are firmly supported by the thick frame receiving edge. Therefore, since each frame plate and each holding frame are flat and on the same surface, there is no gap between them and the frame due to the conventional opening/closing fittings, and the waterproofing effect is excellent, preventing rainwater, dirt, etc. from getting inside. This prevents the intrusion of interior parts due to rainwater and dirt, improving reliability, improving the external appearance, increasing advertising and decorative value, and making it easier to color the frame. This is suitable and can increase the commercial value.

Furthermore, since no opening/closing fittings are required, the number of parts is small, assembly is easy, and it can be provided at low cost.

[Brief explanation of the drawing]

Figure 1 is an overall perspective view of an example of an advertising device implementing the present invention with the display board open, and Figure 2 is an enlarged perspective view of the main parts with the side frame plate and side holding frame removed. 3 are enlarged sectional views of the display board in a closed state. DESCRIPTION OF SYMBOLS 1... Frame body, 2... Upper frame plate, 2a... Flat plate part, 2b... Cutting edge edge part, 2c... Arc-shaped groove part, 2d... Frame receiving edge part, 6... Light source, 7... . . . Upper holding frame, 7a . . . Shape plate portion, 7b . . . Tip-like edge portion, 7c .

Claims (1)

[Scope of utility model registration request] This is a connection structure between a frame body containing a light source in an advertising device and a display board held by a holding frame, in which a blade-like edge part 2b is formed on a flat plate part 2a of an upper frame plate 2 of the frame body 1. , a groove portion 2c having an arcuate cross section whose radius is the length of the edge portion 2b is formed below the edge portion 2b, and an upper surface of the edge portion 2b is formed at the edge of the groove portion 2c. Upper holding frame 7
A slightly thick frame receiving edge portion 2d is formed with a step lower by the thickness of the frame portion 7a having a substantially cross-sectional shape;
Further, a cutting edge portion 7b is formed on the frame portion 7a of the upper holding frame 7 that holds the display board 12, and a length of the edge portion 7b is formed below the edge portion 7b. is the radius, and the arcuate groove portion 2c
An engaging portion 7c having an arcuate cross section is formed inscribed in the upper frame plate 2, and the arcuate engaging portion 7c of the upper holding frame 7 is rotatably engaged with the arcuate groove portion 2c of the upper frame plate 2 by contacting the inner surface thereof. connected, said display board 1
When the display plate 1 is opened, the arcuate engaging portion 7c is rotated upward due to contact with the inner surface, and the display plate 1 is opened.
2 is closed, the blade-like edge 7b of the upper holding frame 7 contacts the blade-like edge 2b of the upper frame plate 2, and is supported horizontally by the frame receiving edge 2d, so that the upper frame plate 2 and A connection structure between a frame and a display board in an advertising device, characterized in that the upper holding frame 7 is closed in a flat and coplanar state.