JP2007232157A - Joint for frame material and frame material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a joint connecting and fixing a vertical frame and a horizontal frame without a bolt as a first subject, and to heighten the degree of freedom in design by giving variation in surface decoration as a second subject. <P>SOLUTION: In this joint, an inner case 3 is mounted in a joint case mounted in a hollow part of a frame material, and a pair of working plates are energized inside and mounted in the inner case 3. The tip parts of the working plates are provided with a locking piece 7 locked in a locking groove 12 of the other frame material 11, and the bases of the working plates are provided with an operating member 6 for moving the paired working plates forward and backward at the same time, whereby when the paired working plates are moved to the projecting side by the operation of the operating member, the space between the working plates at the tip parts is expanded so that the locking pieces 7 are locked in the locking groove of the frame material 11. The frame material 11 is provided with a longitudinal continuous locking groove 12, and a longitudinal continuous corner locking groove, and an auxiliary frame material is fitted to the corner locking groove. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The frame material joint, frame material and illuminated frame material of the present invention constitute a frame for partitioning an exhibition space at a trade fair or the like, an assembly-type product display stand used when composing a product display space, etc. It is used to do.

Conventionally, various frame materials of this type configured as mold materials have been proposed. This type of frame member needs to connect and fix the vertical member and the horizontal member with a joint, but both joints use bolts, which makes the fixing work troublesome and hinders the speeding up of the assembling work.
JP, 2000-64437, A This invention is a joint used by providing a longitudinal groove and a through hole perpendicular to the groove in the frame material assembling steel, and inserting it into the through hole. Is provided with a notch corresponding to the position of the groove, and a convex part is provided on the outer peripheral edge of the notch to restrict the movement in the axial direction and the rotation direction by engaging the edge of the through hole. It is a thing. In this configuration, although the movement of the joint is restricted, a bolt must be used for coupling with the frame member.

  In addition, all of the conventional frame materials are completed by the mold material itself, and there is no known one in which another part can be attached to obtain surface decoration. Therefore, for products with surface decoration, individual products must be prepared for each surface decoration. Also, a frame member having a lighting function is not known. For this reason, the design variations of the frame and product display stand must be poor.

  The first object of the present invention is to improve the efficiency of assembling work such as frames by obtaining a joint capable of connecting and fixing a vertical frame and a horizontal frame by one-touch operation without using a bolt. The second challenge is to increase the degree of freedom of design by providing variations in the design.

The invention of claim 1 relates to a joint for connecting and fixing a first frame member having a locking groove in a longitudinal direction on an outer wall and a second frame member having a hollow part at right angles.
In this frame material joint, an inner case is attached to a joint case attached to a hollow portion of the second frame material, and a pair of operation plates are attached to the inner case by urging the inner case. A locking piece for locking in the locking groove of the first frame member is provided at the distal end portion of the operating plate, and the distance between the pair of operating plates is narrow at the distal end side and wide at the base side, and between the pair of operating plates. Is provided with an interval regulating member. An operation member for moving the pair of operation plates in the front-rear direction at the same time is provided at the base of the pair of operation plates, and the operation at the tip portion is performed when the pair of operation plates are moved to the protruding side by the operation of the operation members. The interval between the plates is widened so that the locking piece is locked in the locking groove of the first frame member.

The actuating plate is configured by bending one spring plate as shown in the following embodiment, and in addition, the two actuating pieces are opposed to each other, and a spring is interposed between the actuating pieces to urge inward. You can also do it. The point is that the distance between the operating plates is expanded by the action of the distance regulating member due to the forward movement of the operating piece (the direction in which the tip of the operating piece protrudes from the inner case), and the locking piece is locked in the locking groove of the frame material. When the action of the distance regulating member is released by the movement in the reverse direction, the operation plate moves inward, and the distance between the two operation plates at the tip is narrowed, and the engagement between the engagement piece and the engagement groove of the frame member Any configuration may be used as long as the stop is released.
And the structure for moving an operation piece back and forth can also be made into the structure by lever operation other than the cam shown in an Example.

Invention of Claim 2 or less relates to a frame material.
In the invention of claim 2, a plurality of protruding frames having side walls facing the outside of the base frame having an annular cross section are provided at equal intervals, a locking groove continuous in the longitudinal direction is provided on the outer wall of the protruding frame, A corner locking groove continuous in the longitudinal direction is provided between the frames to form a frame material, which is mainly used as a column material.
The hollow portion of the base frame is attached with the joint case of the joint according to claim 1 as necessary. The cross-sectional shape of the base frame is generally a substantially square shape, but may be a circular shape or an arbitrary polygonal shape.
When the cross-sectional shape of the base frame is a polygon, the protruding frame is provided on each surface of the polygon. When the cross-sectional shape is a circular shape, an arbitrary number of protruding frames are provided at equal intervals along the outer surface. . The locking groove provided in the projecting frame is for locking the operating piece of the joint according to claim 1 if necessary.
The corner locking groove is for attaching a decorative body.

According to a third aspect of the present invention, a light source is mounted in a gap between two projecting frames formed outside the corner locking groove of the frame member according to the second aspect, and a corner covering having a through hole is mounted. The corner covering body is fixed to the corner locking groove via a fastener to form an illuminated frame material.
As the light source, any light source other than LEDs can be used. The corner covering body is made transparent by a technique such as providing a slit in a non-translucent material such as metal, or is made of a transparent or translucent plastic material.

According to a fourth aspect of the present invention, a lower side wall facing the lower portion of the base frame having an annular cross section is provided in the longitudinal direction, a lower locking groove is provided on the outer side wall of each side wall, and the upper side of the base frame projects on both sides of the base frame. The upper frame is provided, upper locking grooves are provided on the lower side walls on both sides of the upper frame, and locking grooves are provided on the side walls on both sides of the upper frame to form a frame material, mainly used as a beam material It is.
The hollow portion of the base frame is to be fitted with the joint case of the joint according to claim 1 if necessary, and the locking groove provided on the side wall of the upper frame is engaged with the operating piece of the joint according to claim 1 if necessary. It will stop. The lower locking groove and the upper locking groove are used for locking the auxiliary frame material according to claim 5 and for attaching a decorative body as required.

According to a fifth aspect of the present invention, an auxiliary frame member is fixed to a side portion of the frame member according to the fourth aspect, and a decorative body is attached to the auxiliary frame member of K to obtain a frame member with illumination.
The auxiliary frame member is fixed by locking the upper protruding piece in the upper locking groove of the frame material and locking the lower protruding piece of the auxiliary frame material in the lower locking groove of the frame material. Then, a locking groove is provided in the longitudinal direction on the outer wall of the auxiliary frame member, and a decorative body having a through hole portion in which a light source is housed is mounted in the locking groove.

According to the invention of claim 1, the joint case is mounted in the hollow portion of the first frame member, and is inserted into the locking groove of the second frame member in a state where the distance between the pair of operation plates is narrowed. The first frame member and the second frame member can be connected and fixed in an orthogonal state by operating the operating member to slightly retract the operating plate.
In the above, since it can be fixed only by operating the operation member without using bolts, not only is workability good, but since both the frame members are fixed by retraction of the operation plate, both the frame members are maintained in a close contact state and strong. The assembled state can be obtained.

Since both the frame material of the invention of claim 2 and claim 4 has a hollow portion and a locking groove, the joint case of the joint is mounted in the hollow portion, and the operation plate of the joint is mounted in the locking groove. By locking, the frame members can be quickly and firmly connected and fixed in an orthogonal state.
In addition, any frame material can be attached with a decorative body using a locking groove. Therefore, various design frames can be obtained by changing the decorative body.

  The inventions of claim 3 and claim 5 can be made into a frame material with illumination by incorporating illumination using a gap or a locking groove of the frame material, thereby further increasing design diversity. Can be increased.

  Examples of the present invention will be described below.

FIG. 1 is an exploded perspective view showing an embodiment of the joint of the present invention.
The joint case 1 is a frame material having a vertically long cross section, and is sized to be mounted without rattling in the hollow portion of the frame material to be mounted. And the hole 2 for tool insertion is provided in the side wall.
Two inner cases 3 are attached to the joint case 1 at the top and bottom. The inner case 3 is provided with an operating piece 4, a shaft 5 as a distance regulating member, and an eccentric cam 6 as an operation member.

FIG. 2 is a plan view of the operating plate 4. The operation plate 4 constitutes a pair of operation plates facing each other by bending one spring plate. The front end is bent outward to form a locking piece 7, and the front end of the operating plate 4 including this locking piece is projected from the inner case 3.
The central portion of the operating plate 4 is partly cut and protruded outward to form a spring piece 8. This spring piece 8 presses and contacts the inner wall of the inner case 3 and acts to urge the operating plate 4 including the locking piece 7 inward.
The facing interval of the working plate 4 is narrow at the tip side and wider at the base side than the center part, and the shaft 5 is located at the boundary between the narrow part and the wide part. A round hole 9 in which the eccentric cam 6 is mounted is provided at the base of the operating plate 4 (FIG. 3), and the eccentric cam 6 is mounted in the round hole.
The lower part of the base of the operating plate 4 is bent toward the tip side to form a receiving spring 4a, and a small protrusion 4b is formed on the upper surface of the receiving spring 4a.

As shown in FIG. 4, the eccentric cam 6 is longer on the front side than the rotation axis O in plan view and shorter on the rear side. A wrench hole 10 is provided to lock the wrench on one end face.
An annular groove 6a is formed in the center of the eccentric cam 6 in the axial direction, and one incomplete portion 6b is formed in the groove 6a.
The eccentric cam 6 is attached to the inner case 3 by an attachment shaft (not shown), and the position of the wrench hole 10 is made to correspond to the tool insertion hole 2 of the joint case 1, and from the outside of the joint case 1. The eccentric cam can be rotated by inserting a wrench.

FIG. 5 shows a state in which the interval between the locking pieces 7 of the operating plate 4 is narrowed. At this time, the eccentric cam 6 is positioned forward (locking piece side) on the side longer than the shaft. In other words, the operating plate 4 is located in the front, is not subject to the restriction of the shaft 5, is pushed inward by the action of the spring piece 8, and the interval between the locking pieces 7 is narrowed. At this time, the small protrusion 4b of the receiving spring 4a fits into the groove 6a of the eccentric cam 6 and prevents the eccentric cam 6 from coming off.
When the eccentric cam 6 is rotated 180 degrees with a wrench from this state, the side longer than the shaft of the eccentric cam is located rearward, so that the operation plate 4 moves slightly rearward. Since the shaft 5 widens between the opposing working plates 4 by this rearward movement, the locking piece 7 is opened to the outside and locked to the locking groove 11 of the frame material.
When the eccentric cam 6 rotates, the small protrusion 4b of the receiving spring 4a moves beyond the incomplete portion 6b of the groove of the eccentric cam. The eccentric cam 6 is locked when the small protrusion 4b exceeds the incomplete portion 6b.
Therefore, when the above operation is performed in a state where the joint case 1 is mounted in a hollow portion of another frame material, the two frame materials can be connected and fixed.

7 to 9 relate to the second and third aspects of the invention.
The frame material A in FIG. 7 is provided with a protruding frame 23 having opposing side walls 22 on the outside of the four surfaces of the base frame 21 having a square cross section, and a locking groove that is continuous in the longitudinal direction on the outer wall of the protruding frame 23. 24 is provided, and corner locking grooves 25 that are continuous in the longitudinal direction are provided between the projecting frames 23, that is, at the corners of the base frame 21. Locking protrusions 26 are provided on both sides of the opening portions of the locking groove 24 and the corner locking groove 25 so as to face each other.
The locking protrusions 26 of the base frame 21 can be locked by the locking pieces 7 of the joint. Further, the hollow portion 27 can be attached to the joint case 1 of the joint of the first embodiment.
This frame material B is mainly used as a beam.

An LED 29 is mounted as a light source over the entire length of the frame material A in the gap 28 between the two protruding frames 23 formed outside the corner locking grooves 25 of the frame material A, and the end surfaces of the two protruding frames 23 are attached to the gaps 28. A corner covering 30 having a through hole is attached so as to be tied. The corner covering body 30 is fixed to the corner locking groove 25 via fasteners 31 and 32.
The corner covering body 30 is provided with a large number of through holes 33 in a curved metal plate so that the LED light is emitted from the holes 33 (FIG. 8).

In the embodiment of FIG. 9, the structure of the frame member A is provided with a locking long groove 41 on each side wall of the protruding frame 23 in addition to the structure of FIG. 7.
An auxiliary frame member 42 is mounted in the gap 28 of the protruding frame 23. The auxiliary frame member 42 has a hexagonal cross section in which the outer wall surface comes into contact with the side wall of the protruding frame 23 and the locking projection piece 26 of the corner locking groove 25, and is opposed to the wall contacting the locking projection piece 26. Holding grooves 43 are provided on both sides of the outer surface of the wall 42 to form locking grooves 44. An LED 45 is mounted in the locking groove 44, and a decorative body 45 having a through hole is fitted therein, and is held by the holding piece 43.
Reference numeral 46 denotes a stopper for fixing the auxiliary frame member 42, which has a hook shape in cross section. After the auxiliary frame member 42 is disposed in the gap 28, the auxiliary frame member 42 is fixed by applying a stopper 46 and sliding the stopper to engage the locking long groove 41.

10 and 11 relate to claims 4 and 5.
The frame material B is provided with a lower side wall 52 facing the lower part of a base frame 51 having a vertically long cross section in the longitudinal direction, and provided with lower locking grooves 53 on the outer walls of both the lower side walls 52. An upper frame 54 projecting on both sides of the base frame is provided on the upper side of the base frame 51, upper locking grooves 55 are provided on the lower side walls on both sides of the upper frame, and locking grooves 56 are provided on the side walls on both sides of the upper frame. is there.
The hollow portion 57 of the base frame 51 can be mounted on the joint case 1 of the joint of the first embodiment, and the locking groove 56 can be locked by the locking piece 7 of the joint.
This frame material B is mainly used as a beam.

  An auxiliary frame member 58 serving as a surface decoration plate is attached to the side portion of the frame member B. The auxiliary frame member 58 has a substantially U-shaped cross section, and its side wall is flush with the side wall of the upper frame 54 and its lower wall is flush with the lower surface of the lower side wall 52. . A locking protrusion 59 for locking to the locking groove 55 is provided on the upper surface of the auxiliary frame member 58, and a hook-shaped locking for locking to the lower locking groove 53 is provided at the lower inner end. A piece 60 is provided, and is fixed to the frame member B by being locked in the locking groove 55 and the lower locking groove 53, respectively. In the figure, reference numeral 61 denotes a rubber joint material for stably holding the auxiliary frame member 58.

  The auxiliary frame member 58 is provided with a locking groove 62 at the upper part of the outer wall and a locking groove 63 at the lower corner, and a decorative body in which LEDs are mounted in both locking grooves to form through holes. 45 is fitted and is latched and held by a latching protrusion formed in the opening of the latching groove.

In FIG. 11, the structure of the frame material B is the same as that of FIG. 10, and the shape of the auxiliary frame material is different.
As with the auxiliary frame member 58, the auxiliary frame member 65 is provided with a locking projection piece 59 at the upper portion and a locking piece 60 at the lower portion, and is fixed to the frame member B by being locked in the locking grooves 55 and 53, respectively. It is. In the figure, reference numeral 66 denotes a bolt, the tip of which abuts against the side wall of the frame member B, and the auxiliary frame member 65 is urged outward to hold the above-mentioned locked state.
A locking groove 67 opening in the direction is provided on the outer side of the lower part of the auxiliary frame member 65, and a decorative body 45 mounted with LEDs is mounted in the locking groove 67.
Here, the side wall of the auxiliary frame member 65 has a concave arc shape in cross section, and the outer surface is a wave-like mirror surface in which a projecting arc-shaped strip-like projection is continuous. Therefore, when this frame material is used as a beam, the light emitted from the decorative body 45 is reflected on the outer surface of the auxiliary frame material 65 and irradiated downward.

When the frame material A configured as described above is used as a column and the frame material B is used as a beam and connected and fixed by the joint of the first embodiment, the joint case 1 is attached to the hollow portion 57 of the frame material B, and the joint is locked. The distance between the pieces 7 is adjusted to be narrowed, and the locking piece 7 is inserted into the locking groove 24 of the frame material A from the front (the width of the opening of the locking groove can be passed by the locking piece 7). As width). Next, when the eccentric cam 6 of the joint is rotated to push the locking piece 7 outward, the locking piece 7 is elastically locked to the locking protrusion 26 of the locking groove 24, and the frame material A and the frame material B is firmly fixed.
In addition, the auxiliary | assistant frame material in the said Example can be given translucency, and a light source can also be accommodated in an inside.

According to the present invention, the column and the beam can be fixed only by operating the cam of the joint, that is, without using a bolt or the like, and the workability of the assembly work such as the frame is improved.
Since the frame material of the present invention is used by attaching an auxiliary frame material to be a surface decoration material, various colors, patterns, and surface shapes are provided by appropriately changing the auxiliary frame material in one frame material. You can get a frame.
Then, by attaching a light source to the frame member and using a translucent auxiliary frame member and a corner cover, light can be emitted from the frame.
Thus, according to the present invention, it is possible to obtain a frame material and a frame structure that are easy to work with and easy to obtain design variations, and have industrial applicability.

Exploded perspective view of an embodiment of the joint of the present invention Similarly, a plan view of the operating piece Similarly, front view of the operating piece A plan view of the eccentric cam Similarly, a plan side perspective view with the locking piece closed Similarly bottom side perspective view Similarly, a plan side perspective view with the locking piece open Similarly bottom side perspective view The perspective view of the Example of the frame material suitable for the pillar of this invention Front view of the corner covering attached to the frame material The perspective view of another Example of the frame material suitable for the pillar of this invention The perspective view of the Example of the frame material suitable for the beam of this invention The perspective view of another Example of the frame material suitable for the beam of this invention The perspective view of the flame | frame assembled with the implementation goods of this invention

Explanation of symbols

A Frame material B Frame material 1 Joint case 2 Hole 3 Inner case 4 Actuating piece 5 Shaft 6 Eccentric cam 7 Locking piece 8 Spring piece 9 Round hole 10 Wrench hole 11 Frame material 12 Locking groove 21 Base frame 23 Protruding frame 24 Engagement Stop groove 25 Corner locking groove 26 Locking protrusion 27 Hollow part 29 LED
DESCRIPTION OF SYMBOLS 30 Corner | surface cover body 33 Hole for light transmission 42 Auxiliary frame material 45 Decoration body 51 Base frame 53 Lower locking groove 55 Upper locking groove 58 Auxiliary frame material 59 Locking protrusion

Claims (5)

A first frame member having a locking groove in the longitudinal direction on the outer side wall and a second frame member having a hollow portion are connected and fixed orthogonally,
An inner case is attached to a joint case attached to the hollow portion of the second frame member, and a pair of operation plates are urged inwardly to the inner case, and the first frame is attached to the distal end portion of the operation plate. A locking piece for locking in the locking groove of the material is provided, the interval between the pair of operation plates is narrow on the tip side and wide on the base side, and a space regulating member is disposed between the pair of operation plates, An operating member for moving the pair of operation plates in the front-rear direction simultaneously is provided at the base of the pair of operation plates,
When the pair of actuating plates are moved to the projecting side by operating the operating member, the interval between the actuating plates at the distal end is widened so that the locking piece is locked in the locking groove of the first frame member. , Joints for frame materials A plurality of projecting frames having side walls facing the outside of the base frame having an annular cross section are provided at equal intervals, a locking groove continuous in the longitudinal direction is provided on the outer wall of the projecting frame, and the projecting frames are provided in the longitudinal direction between the projecting frames. Frame material with continuous corner locking grooves A light source is mounted in a gap between two projecting frames formed outside the corner locking groove of the frame material according to claim 2, and a corner covering body having a through hole is mounted. Illuminated frame material in which the corner cover is fixed to the corner locking groove via a fastener. A lower side wall facing the lower part of the base frame having an annular cross section is provided in the longitudinal direction, and a lower locking groove is provided on the outer side wall of both side walls
An upper frame protruding on both sides of the base frame at the upper part of the base frame, an upper locking groove on the lower side wall on both sides of the upper frame, and a locking groove on the side walls on both sides of the upper frame The upper protrusion of the auxiliary frame member is locked to the upper locking groove of the frame member and the lower protruding piece of the auxiliary frame member is locked to the lower locking groove of the frame member on the side of the frame member according to claim 4. Let it fix,
Illuminated frame material in which a locking groove is provided in the longitudinal direction on the outer wall of the auxiliary frame material, and a decorative body having a through-hole portion in which a light source is installed is mounted in the locking groove.

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