JPH0645563U - Assembled frame connection structure - Google Patents

Abstract

(57) [Summary] [Purpose] It is possible to easily assemble and replace exhibits without using tools or fasteners such as screws. [Structure] An L-shaped connector having a stopper mechanism is slidably inserted into an inclined end surface of a hollow frame to mutually connect the hollow frame to form a rectangular frame.
In the assembling type frame connection structure, the L-shaped connector has two leg pieces made of synthetic resin at both ends thereof, and one leg piece has elasticity and projects at the tip thereof. A locking claw is provided, and the hollow edge frame is provided with a plurality of notches that elastically engage with the locking claw.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connecting structure for a prefabricated frame. Specifically, it is an assembly type frame that connects hollow frame with L-shaped connecting tool, and can be assembled and exchanged exhibits without using tools such as tools and screws. Regarding connection structure.

[0002]

[Prior art]

 An exhibit such as a poster was sandwiched between a base plate made of relatively lightweight plate material such as corrugated cardboard and foamed plastic, and a transparent surface protection plate made of plastic film, and the four sides were fixed with hollow edge frames. Prefabricated picture frames are widely used. Hollow edge frames are generally joined by L-shaped connectors to form a rectangular outer frame on the four sides of the base plate.

There are various methods for fixing the hollow frame by the L-shaped connector. Generally, an L-shaped connecting tool is inserted into both ends of the hollow edge frame, and the L-shaped connecting tool and the hollow edge frame are fixed with screws so that the end faces of the adjacent hollow frame bodies are closely attached. Thus, the outer frame body is formed. In order to replace the exhibit, at least one hollow edge frame is removed by removing or loosening the screw fixing the L-shaped connector and the hollow frame, and the side portion where the hollow edge frame is removed. After replacing the exhibits from, fix the hollow frame to the L-shaped connector again.

As a method of eliminating the trouble of removing the screw each time the exhibit is replaced, for example, the L-shaped connector described in Japanese Utility Model Laid-Open No. 57-50272 has a projection-like claw. There is. By engaging the claws with the holes of the hollow edge frame, the hollow edge frame can be fixed without using screws. The L-shaped connecting tool described in Japanese Utility Model Laid-Open No. 62-68663 is another example of an assembling type frame that does not require screws or the like because it is provided with a protrusion. In addition, the frame described in Japanese Utility Model Laid-Open No. 63-103469 allows the exhibit to be exchanged without using screws by removing the edge frame by using a sliding open / close structure for the upper frame. It was done.

However, inserting / removing an exhibit from a part of the sides is greatly affected by static electricity, for example, when the exhibit is a thin film, and therefore is inserted between the base plate and the front plate. That is extremely difficult. It is necessary to take out the base plate and the front plate once from the outer frame, sandwich the exhibit, and then insert it again together with the base plate and the front plate. Also, if the surface of the exhibit is uneven like a jigsaw puzzle, if it is inserted as it is, the protrusions on the surface of the exhibit may be caught on the edge of the surface plate and damage the exhibit.

These problems can be solved to some extent by removing all the edge frames from the base plate, stacking the display and the face plate on the base plate, and then attaching the edge frames again. However, this method is not only time-consuming because it is necessary to remove and attach all the rims, and there is also the possibility of creating new problems such as the display being displaced during the mounting of the rims.

The L-shaped connector described in Japanese Utility Model Laid-Open No. 63-142156 has a two-step projecting stopper, and the L-shaped connector is slidable in a state of being inserted into a hollow frame. I am When the L-shaped connector is slid, the positional relationship between the L-shaped connector and the hollow edge frame is such that the adjacent inclined end faces of the hollow frame are just in contact with each other, and the first stopper functions to function as a hollow edge. Fix the frame. At this time, all four sides of the base plate are sandwiched by the hollow edge frames.

By releasing the stopper, the L-shaped connector can be slid again, and the second stopper functions at the position where the adjacent inclined end faces of the hollow edge frame have appropriate intervals. And fix the hollow edge frame. At this time, a part or the whole of the hollow edge frame is in a state of being separated from the base plate at a constant interval. In this state, the surface protection plate sandwiching the exhibit can be removed to replace the exhibit. After exchanging the exhibits, release the stopper again and slide the L-shaped connector to the position where the first stopper works.

In this case, the exhibit can be put in and taken out from the surface by removing the surface plate, instead of inserting and removing it from a part of the side portion. Moreover, it is possible to replace the exhibits without removing the frame. Therefore, the frame connection structure described in Japanese Utility Model Laid-Open No. 63-142156 solves some of the basic problems when exchanging exhibits, and tightens tools and screws. Exhibits can be easily replaced in a short time without the use of accessories.

[0010]

[Problems to be solved by the device]

 The purpose of this invention is to further simplify workability when exchanging exhibits. To achieve this, the problems to be solved by this device are as follows. The first is to provide a stopper mechanism that can be released by a simple operation. The stopper provided in the L-shaped connecting tool described in Japanese Utility Model Laid-Open No. 63-142156 has a claw or a spring protruding outside the edge frame and a tool with a sharp tip when releasing the stopper. It can be released by pushing into the edge frame with. However, it is most ideal if the stopper can be easily released with the finger without inserting the nail.

The second is to fix the outer frame composed of the hollow edge frame by the second stopper so as to prevent the outer frame from wobbling when fixing the outer frame in the normal state of opening in the front, rear, left and right directions. In the stopper mechanism described in Japanese Utility Model Laid-Open No. 63-142156, when the outer frame consisting of the hollow frame is fixed in the open state, the outer frame is fixed so that it will not open any more, but in the closing direction. It does not prevent you from sliding. Therefore, when a base plate or the like is sandwiched between edge frames, the outer frame wobbles, which not only reduces workability but also causes the exhibits to shift.

The third is to simplify the configuration as much as possible. As a result, the manufacturing process can be simplified and the manufacturing cost can be reduced.

[0013]

[Means for Solving the Problems]

 The assembling type frame connecting structure of the present invention comprises an L-shaped connecting member having two leg pieces at both ends and a hollow frame, and the main features are as follows. One leg piece of the L-shaped connector has elasticity, and a protruding locking claw is provided at the tip thereof. The hollow edge frame is provided with two notches that elastically engage with the locking claws, and the first notch fixes the hollow edge frame at a position where the inclined end faces of the adjacent hollow edge frames are in close contact with each other. . Further, the second notch fixes the hollow frame at a specific position when the hollow frame is slid.

[0014]

【Example】

 FIG. 1 is an explanatory diagram showing a configuration of a conventional assembly-type frame using screws for fixing a frame. In FIG. 1, 1 is a hollow edge frame, 2 is an L-shaped connector, 3 is an inclined end face, and 4 is a screw for fixing the edge frame. FIG. 2 is an explanatory view showing a part of an L-shaped connector having a two-step protruding stopper and a hollow frame described in Japanese Utility Model Laid-Open No. 63-142156. In FIG. 2, 5 is a hole provided in the hollow edge frame (1) and engages with the stopper (6), 6 is the entire stopper, 7 is the first stopper, and 8 is the second stopper. FIG. 3 is an explanatory view showing a state where the L-shaped connector (2) having the two-stage protruding stopper is inserted into the hollow edge frame (1) and locked by the second stopper (8). is there.

FIG. 4 is an explanatory view showing an L-shaped connector and a hollow frame of the present invention. In FIG. 4, 9 and 10 are two leg pieces, 11 is a locking claw, 12 is a first notch, and 13 is a second notch. The L-shaped connector is made of synthetic resin. It has two leg pieces at both ends thereof, and one leg piece (9) has elasticity and is provided with a locking claw (11) protruding at its tip. A cut (14) is provided near the base of the leg piece (9) in order to give the leg piece (9) elasticity. As a method of giving elasticity to the leg piece (9), a method of using a metal spring can be considered, but it is preferable to use a synthetic resin because the structure becomes complicated.

FIG. 9 is an enlarged view of the first notch (12) and the second notch (13) provided in the hollow edge frame, and FIG. 10 is an enlarged view of the locking claw (11). is there. The notches (12) and (13) are shaped like a half fan shape obtained by dividing the fan shape into two, and the notch side (14) of the notches (12) and (13) near the end of the hollow edge frame is Almost at right angles to the length direction of the hollow edge frame, a straight line (in this embodiment, a half fan-shaped cut edge portion), and a cut edge (15) near the center of the hollow edge frame is the length It is an acute angle and a curve (a half fan-shaped arc portion in this embodiment) with respect to the depth direction. The locking claw (11) also has a half-fan shape in the same manner and is slightly smaller than the notches (12) and (13). Due to this shape, the hollow edge frame does not come off from the L-shaped connector unless the stopper is pressed and released with fingers. On the contrary, when sliding the hollow edge frame in the direction of inserting the hollow edge frame further into the L-shaped connector, by applying force, the stopper is automatically released without pressing the stopper with fingers. Therefore, it becomes possible to slide the hollow frame. The shape of the notch and the locking claw has, for example, a right-angled triangle instead of the half-fan shape, and has substantially the same effect.

FIG. 5 and FIG. 6 are explanatory views showing the connecting structure of the assembled frame according to the present invention. The hollow edge frame (1) is connected at right angles through the L-shaped connector (2). Fig. 5 shows a state in which the outer frame composed of the hollow edge frame is closed, and Fig. 6 shows the outer frame opened. Indicates the status. In order to open the outer frame, in the state shown in FIG. 5, while pushing the locking claw (11) inward with the finger, the frame (1) is slid outward. At this time, the locking claw (11) moves from the first notch (12) to the second notch (13). In order to close the outer frame, in the state shown in FIG. 6, the edge frame (1) is slid inward while pushing the locking claws (11) inward with fingers. At this time, the locking claw (11) moves from the second notch (13) to the first notch (12).

FIG. 7 and FIG. 8 are explanatory views showing a state in which the outer frame is opened and closed as seen from the surface. FIG. 7 corresponds to FIG. 5, and FIG. 8 corresponds to FIG. When exchanging an exhibit, with the outer frame open (Figs. 6 and 8), remove the exhibit from between the face plate and the base plate and place the exhibit again between the face plate and the base plate. After inserting, the outer frame is closed (Figs. 5 and 7).

The notches (12) and (13) provided in the hollow edge frame are not necessarily limited to two. FIG. 11 shows an example in which the third notch (16) is provided between the first notch (12) and the second notch (13). In this case, the outer frame can be opened wide or narrow depending on the type and size of the exhibit. FIG. 12 is an example in which five cuts are provided in total. Here, the three notches (17) provided between the first notch (12) and the second notch (13) have a symmetrical fan shape. In this example, the edge frame can be stepwise slid between the most opened state and the closed state. FIG. 13 is an example in which the first notch and the second notch are rectangular. In this example, the outer frame can be completely fixed while it is open.

[0020]

[Effects of the Invention] With the assembled frame of this invention, the outer frame can be freely opened and closed simply by sliding the frame while pressing the stopper with fingers. Also, since the outer frame can be fixed while it is open, the workability when exchanging exhibits is very good. Further, the L-shaped connector of the present invention can be manufactured by integral molding of synthetic resin, so that the productivity is good and the manufacturing cost can be reduced.

[0021]

[Brief description of drawings]

1 to 3 show the structure of a conventional assembly type frame, and FIGS.
FIG. 13 shows the construction of an embodiment of the assembled frame according to the present invention.

FIG. 1 is an explanatory diagram showing a configuration of a conventional assembly-type frame using screws for fixing a hollow frame.

FIG. 2 is an explanatory view showing a configuration of an L-shaped connector and a hollow edge frame having a two-stage protruding stopper.

FIG. 3 is an explanatory view showing a function of a two-step protruding stopper in a conventional frame connecting structure.

FIG. 4 is an explanatory view showing a configuration of an L-shaped connector and a hollow frame of the embodiment.

FIG. 5 is an explanatory view showing the functions of the L-shaped connector and the hollow frame in the frame connection structure, showing a state in which the outer frame is closed.

FIG. 6 is an explanatory view showing the functions of the L-shaped connector and the hollow frame in the frame connection structure, showing the state in which the outer frame is opened.

FIG. 7 is a front view of the assembled frame according to the embodiment with the outer frame closed.

FIG. 8 is a front view of the assembled frame according to the embodiment with the outer frame open.

9 is a first notch and a second notch in FIG.
It is an enlarged view which shows the shape of the notch.

FIG. 10 is an enlarged view showing the shape of the locking claw in FIG.

FIG. 11 is an explanatory diagram showing a configuration of a hollow edge frame provided with three notches.

FIG. 12 is an explanatory diagram showing a configuration of a hollow edge frame provided with five notches.

FIG. 13 is an explanatory diagram showing a configuration of a hollow edge frame provided with a rectangular notch.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hollow edge frame 2 L-shaped connecting tool 3 Inclined end surface 4 Screw 5 Hole 6 Stopper 7 First stopper 8 Second stopper 9 Leg piece 10 Leg piece 11 Locking claw 12 First notch 13 Second notch 14 Notch edge 15 Notch edge 16 Fan-shaped notch 17 Square notch

Claims (2)

[Scope of utility model registration request] 1. An assembly type in which an L-shaped connector having a stopper mechanism is slidably inserted into an inclined end surface of a hollow frame to connect the hollow frame to each other to form a rectangular frame. In the frame connection structure, the L-shaped connector is
It has two leg pieces made of synthetic resin at both ends thereof, and one leg piece has elasticity, and a protruding locking claw is provided at the tip thereof, and the hollow edge frame is provided with the engaging piece. At the position where the slanted end faces of the adjacent hollow edge frames are in close contact with each other by elastically engaging with the pawls,
A first notch for fixing the hollow edge frame, and a second notch for elastically engaging the locking claw and fixing the hollow edge frame at a specific position when the hollow edge frame is slid. An assembly-type frame connection structure characterized by being provided. 2. A first notch provided in the hollow edge frame,
And, the shape of the second cut is such that the cut side of the cut near the end of the hollow edge frame is substantially perpendicular to the length direction of the hollow edge frame, and the cut side near the center of the hollow edge frame is The assembly structure for a frame as claimed in claim 1, wherein the hollow frame has an acute angle with respect to a lengthwise direction of the frame.