JPH0639745Y2 - Picture frame for jigsaw puzzle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a frame for a jigsaw puzzle, which is attached in a state of surrounding a jigsaw puzzle plate.

(Prior Art) Conventionally, a frame for a jigsaw puzzle is known from Japanese Utility Model Laid-Open No. 63-175965, in which frame bodies that are individually attached to the periphery of a jigsaw puzzle plate are connected by L-shaped joints and fixed by screws. Has become.

However, since such a jigsaw puzzle frame cannot be changed in size, there is a complaint that it can be used only for a jigsaw puzzle version having a certain size.

As a thing that can eliminate such dissatisfaction, Shokai 49-1
According to Japanese Patent No. 20595, an L-shaped metal fitting which can be inserted into a cavity of a frame body in a longitudinal direction so as to be movable, and an engaging rib of the frame body, which is mutually movable in a longitudinal direction of the frame body. A frame for a jigsaw puzzle, which is provided with a joint cover having an engaging hook portion for adjusting the size, is known.

The frame for a jigsaw puzzle described in Japanese Utility Model Publication No. 63-141 also includes an L-shaped metal fitting and a frame body into which the L-shaped metal fitting can be inserted, and a cavity side wall of the frame body. There is a longitudinal through-hole in the L-shaped fitting, and the wedge tightening device attached to the L-shaped fitting extends through the groove. The L-shaped fitting is movable with respect to the frame body. It is possible to change.

However, the jigsaw puzzle frame whose size can be changed in this way also has a problem that the L-shaped metal fittings may come out of the frame body and be disassembled if the wedge fastening device or the like is loosened. ing.

(Problems to be solved by the invention) The present invention is capable of changing the size, that is, capable of expanding and contracting the length of each side by a required amount, and supporting various jigsaw puzzle plates with slightly different dimensions. And moreover,
An object of the present invention is to provide a novel frame for jigsaw puzzles that prevents the L-shaped joint from being pulled out from the frame body and prevents disassembly even if a screw for tightening and fixing the L-shaped joint to the frame body is loosened.

(Means for Solving the Problems) In order to achieve the above object, the jigsaw frame of the present invention is a holding piece part that covers one edge of the jigsaw puzzle plate 2.
1b and a longitudinal cavity chamber 1d having both ends opened, and a longitudinal engaging rib 1c, which is the same as the longitudinal cavity chamber 1d, is provided with a longitudinal passage 1f in the side wall 1e of the cavity chamber 1d, and is closer to the open end of the cavity chamber 1d. A frame body 1 which is formed by providing a convex portion 1g on an internal board portion 1a and is separately attached to the periphery of a jigsaw puzzle plate 2, and has two vertical arm portions 5a, and each arm portion 5a has a screw hole. Each of the cavity chambers 1d of the two frame bodies 1 vertically arranged by providing the cut-raised pieces 5c in the vicinity of the inside of the screw hole 5b
Each arm 5a is inserted from its open end to make each arm 5a movable in the longitudinal direction by a required amount with respect to each cavity 1d in which they are inserted, and the cut-and-raised piece 5c is the above-mentioned. An L-shaped joint 5 that can be prevented from coming off from the frame body 1 by overcoming the convex portion 1g and engaging with it, and a cavity chamber of the frame body 1
The frame body 1 and the L-shaped joint 5 are screwed into the screw hole 5b of the arm portion 5a of the L-shaped joint 5 inserted through the through groove 1f provided in the side wall 1e of the 1d and inserted into the cavity 1d. The adjustment screw 6, which fixes both and loosely tightens them so as to move them freely, the L-shaped joint 5, and each arm thereof.
Two vertical arms that cover the ends of the frame body 1 into which 5a is inserted
A joint cover 7 having 7a and engaging arms 7a of which engaging hooks 7c are engaged with the engaging ribs 1c of the frame body 1 so as to be mutually movable in the longitudinal direction of the frame body 1. It is characterized by having and.

(Example) An example will be described in detail with reference to the drawings.

First, the frame body 1 is a substrate portion 1a that abuts on the back surface of the Styrofoam base plate 3 which is superposed on the back surface of the jigsaw puzzle plate 2.
And a base plate 3, a jigsaw puzzle plate 2, and a transparent cover plate 4 that covers the front surface of the jigsaw puzzle plate 2 by extending inward from the outer edge of the substrate portion 1a toward the front in a shape of a curved arc. A holding piece portion 1b covering one side of the polymer and a substrate portion
The engaging ribs 1c in the longitudinal direction projecting on the extension line of the holding piece 1b from the outer edge of 1a toward the rear, and both sides provided behind the base plate 1a and inside the engaging ribs 1c are open. And a cavity 1d having a rectangular cross section in the longitudinal direction and a cavity 1d facing the substrate 1a.
Side through-hole 1f in the center of which is cut away to open the longitudinal groove 1f
And a convex portion 1g provided on the substrate portion 1a inside the cavity chamber 1d close to the open end. The frame bodies 1 are individually and independently attached to each side of the jigsaw puzzle plate 2 and are arranged in four bodies.

Next, the L-shaped joint 5 has two vertical arm portions 5a having the same length, and screw holes 5b are provided near the tips of the respective arm portions 5a.
Further, a cut and raised piece 5c is provided near the inside of the screw hole 5b. The L-shaped joints 5 are naturally arranged in four bodies.
The L-shaped joint 5 has two arm bodies 5a arranged vertically, and each arm portion 5a is inserted into a hollow chamber 1d of the respective frame body 1 from its open end, and a cut-and-raised piece 5c rides over a convex portion 1g. And each arm 5a is assembled movably in the longitudinal direction with respect to each cavity 1d in which they are inserted. However, the cut-and-raised piece 5c engages with the convex portion 1g, so that the L
Since the shape joint 5 is prevented from coming off, the amount of movement of the frame body 1 and the L-shaped joint 5 is restricted within a certain range.

Further, the adjusting screw 6 is a screw of the arm portion 5a of the L-shaped joint 5 inserted into the inside of the cavity chamber 1d with the screw portion penetrating the through groove 1f provided in the side wall 1e of the cavity chamber 1d of the frame body 1. It is screwed into the hole 5e, and by tightening it, the arm 5a of the L-shaped joint 5 and the side wall 1e of the cavity 1d.
Is fixed by pressing and is loosened, and by loosening the tightening, the L-shaped joint 5 and the frame body 1 can move freely relative to each other. This adjustment screw 6
2 are required for one L-shaped joint 5, and a total of 8 are provided.

The joint cover 7 has an L shape with two vertical arms 7a having the same length as the L-shaped joint 5, and each arm 7a has an end of the frame body 1 Also provided on the outside of the holding piece portion 1b of the part is a wrapping piece portion 7b that is also curved in an arc shape, and at the edge of the tip of each arm portion 7a on the opposite side of the wrapping piece portion 7b, the frame is formed. An engaging hook portion 7c having a U-shaped cross section in which the engaging rib 1c of the body main body 1 is fitted and which is engaged with the frame main body 1 of the fitted engaging rib 1c movably in the longitudinal direction thereof.
Further, a tongue-shaped piece portion 7d is provided at the tip of the engaging hook portion 7c so as to face the outer surface of the side wall 1e of the cavity 1d of the frame body 1 in parallel. Of course, four joint covers 7 are provided, each L
While covering the joint 5, the end of the frame body 1 is also covered.

(Operation) By loosening the tightening of the adjusting screw 6, the L-shaped joint 5
Each arm 5a is movable in the longitudinal direction with respect to the frame body 1 having the cavity 1d into which the arm 5a is inserted. Each arm portion 7a of the joint cover 7 is also movable in the longitudinal direction with respect to the frame body 1 having the engaging rib 1c with which the engaging hook portion 7c is engaged. That is, each frame body 1 is movable in the longitudinal direction with respect to the L-shaped joint 5 and the joint cover 7. Therefore, each piece of the frame constituted by the frame body 1 and the L-shaped joints located at both ends thereof and the arm portions of the joint cover 7 can be expanded and contracted.

(Effect of the invention) The present invention is as described above, and since the length of each side can be freely expanded and contracted, it can be commonly used for various jigsaw puzzle plates of slightly different sizes. There is no need to prepare various types of frames of slightly different sizes corresponding to jigsaw puzzle versions of slightly different sizes, which has the effect of eliminating the trouble of storage.

Further, the present invention is directed to the convex portion 1g provided on the substrate portion 1a of the frame body 1.
When the cut-and-raised piece 5c provided on the L-shaped joint 5 rides over and engages with the L-shaped joint 5, the L-shaped joint 5 is prevented from coming off from the frame body 1 even if the tightening by the adjusting screw 6 is loosened, and is prevented from being disassembled. effective.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is an overall perspective view, FIG. 2 is a partial rear view, FIG. 3 is a sectional view taken along line AA of FIG. 1, and FIG. FIG. 1 is a partially cutaway view of line BB, and FIG. 5 is a partially exploded perspective view. DESCRIPTION OF SYMBOLS 1 ... Frame body, 1b ... Holding part, 1c ... Engaging rib, 1d ... Cavity chamber, 1e ... Side wall, 1f ... Through groove, 2 ... Jigsaw puzzle version, 5 ...
L-shaped joint, 5a ... screw hole, 6 ... adjusting screw, 7 ... joint cover, 7c ... engaging hook.

Claims (1)

[Scope of utility model registration request] 1. A side wall 1e of a cavity chamber 1d having a holding piece portion 1b for covering one side edge of a jigsaw puzzle plate 2 and a longitudinal cavity chamber 1d having both ends opened and a longitudinal engagement rib 1c. A frame body 1 which is formed by forming a longitudinal groove 1f and further providing a convex portion 1g on the inner substrate portion 1a near the open end of the cavity 1d, is attached to the periphery of the jigsaw puzzle plate 2 separately from the frame body 1 It has two arms 5a, each arm 5a is provided with a screw hole 5b, and a cut-and-raised piece 5c is provided in the vicinity of the inside of the screw hole 5b. Each arm 5a is inserted into each cavity 1d from its open end and each arm 5a is inserted.
Is movable in the longitudinal direction by a required amount with respect to each cavity 1d into which they are inserted, and the cut-and-raised pieces 5c are the above-mentioned convex portions.
The L-shaped joint 5 is designed to be prevented from coming off from the frame body 1 by being engaged over 1g, and the cavity passing through the through groove 1f provided in the side wall 1e of the cavity chamber 1d of the frame body 1 The frame body 1 and the L-shaped joint 5 are fixed by screwing them into the screw holes 5b of the arm portions 5a of the L-shaped joints 5 inserted in the chamber 1d, and the tightening is loosened, so that the two can be freely connected to each other. Has an adjusting screw 6 which is movable to two sides, and an L-shaped joint 5 and two vertical arm portions 7a which cover the end portions of the frame body 1 into which the respective arm portions 5a are inserted. Engaging rib 1c of frame body 1
On the other hand, a frame for a jigsaw puzzle, which is provided with a joint cover 7 provided with an engaging hook portion 7c that is movably engaged with each other in the longitudinal direction of the frame body 1.