JPH10337220A - Connecting structure of table - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connecting structure by which a table or the like can be easily, securely, and fixedly connected with very simple structure, and also can be easily separated. SOLUTION: To connect a ceiling plate fitted on a support frame body in a butted state, inserting holes 15a, 15b are penetrated through the opposite longitudinal frames 5a, 5b of a frame member 5 of the support frame body on one side for inserting a connecting shaft 17 having a head part 17b, and an inserting window part is opened in the longitudinal frame 5a being the inside in a prescribed position apart from the inserting hole, and a holding window part 20 is opened in the outside longitudinal frame 5b of the frame member 5 in the position opposite to the inserting window part and apart from the inserting hole, and the one end thereof is fixed to the frame member 5 in close vicinity of the inserting window part, and a locking piece 23 that is inserted through the inserting window part and is directed toward the holding window part 20 is extended, and also a plate spring member 21 with a holding part 24 which is bent nearly in a U shape and is projected outward through the holding window part 20 is arranged to the end thereof. Then, a locking hole 25 for inserting the connecting shaft 17 is penetrated in the locking piece 23 of the plate spring member 21 obliquely in the position between the inserting holes, so that the connecting shaft 17 is inserted through the outside longitudinal frame 5b of the frame member 5 so as to be elastically locked to the locking hole 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure for connecting and fixing frame members such as tables when a plurality of tables and the like are used side by side or in combination.

[0002]

2. Description of the Related Art Conventionally, as a connecting structure of a table or the like of this type, for example, Japanese Patent Application Laid-Open No. 6-169826,
And Japanese Patent Publication No. 7-73545 and Japanese Utility Model Publication No. 6-46529.

[0003]

However, the technical contents of the conventional Japanese Patent Application Laid-Open Nos. Hei 6-169826, Japanese Utility Model Publication No. 4-43068 and Japanese Patent Publication No. Hei 7-73545 are based on a combination of a screw member and a connection frame member. However, there is a problem that the number of components is large, the number of processing steps for the table is large, and the cost is high.In the technical content of Japanese Patent Publication No. 7-73545, the connection configuration is simple. There is a problem that special processing must be performed on the table side. The present invention has been made in order to solve the above-mentioned conventional problems, and has a connection structure that can easily and reliably connect and fix a table or the like with an extremely simple configuration and that can be easily separated. It is intended to provide.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problems, the present invention is directed to a table or the like in which ends of a top plate mounted on a support frame are connected in a butt shape. In the connection structure, an insertion hole for inserting a connection shaft having a head corresponding to the opposed vertical edge of a substantially rectangular cylindrical frame material forming one support frame body is penetrated, and a vertical inside becomes At the edge, an insertion window portion is opened at a predetermined position from the insertion hole, and a holding window portion is opened at a position opposite to the insertion window portion from the insertion hole of the outer vertical edge of the frame material, and this frame material is inserted. One end is fastened close to the window, the locking piece that is inserted through the insertion window and extends toward the holding window is extended, and the holding window is bent into a substantially U-shape at the tip. A leaf spring member having a holding portion protruding outward from the portion is disposed, and a locking piece of the leaf spring member is positioned obliquely between the insertion holes. A structure in which a locking hole is penetrated so that the connecting shaft can be inserted, and the connecting shaft is inserted through an insertion hole in an outer vertical edge of the frame material to elastically lock with the locking hole. The invention of 2 is a connection structure such as a table for connecting the ends of the top plate mounted on the support frame in a butt shape,
An insertion hole for inserting a connection shaft having a head corresponding to the opposed vertical edge of the substantially rectangular cylindrical frame material forming one support frame body is inserted, and the internal vertical edge is inserted. An insertion window portion is opened at a predetermined position from the hole, a holding window portion is opened at a position opposite to the insertion window portion from the insertion hole on the outer vertical edge of the frame material, and the insertion window portion of the frame material is close to the insertion window portion. Then, one end is fastened, the locking piece that is inserted through the insertion window portion and extends toward the holding window portion extends, and is bent substantially in a U-shape at the front end portion to the outside of the holding window portion. While disposing a leaf spring member having a protruding holding portion,
The latching piece of the leaf spring member has a latching hole penetratingly provided between the insertion holes so as to allow the connection shaft to pass therethrough, and a frame member of the other support frame includes the leaf spring member. A through-hole matching the insertion hole of the frame material having a through hole is provided, and the connection shaft is inserted from the insertion hole toward the insertion hole of the frame material having a leaf spring member to elastically engage with the locking hole. According to a third aspect of the present invention, there is provided a connecting structure in which ends of a top plate mounted on a support frame are connected in a butt shape, and the frame member is provided opposite to the butt portion of the top plate. A through-hole is inserted through the connecting shaft having a head in alignment with the connecting portion near both ends of the connecting member, and a leaf spring member having a locking hole is provided at a diagonal position of the frame member of the connecting portion. A connecting shaft having a head is inserted through a through hole of a frame member without a leaf spring member in an opposed manner to elastically engage with a locking hole of the leaf spring member. According to a fourth aspect of the present invention, the locking piece of the leaf spring member is positioned obliquely between the vertical edges of the frame material, and the locking hole formed through the locking piece is formed on the vertical edge. It is a connecting structure such as a table which is arranged on the center line of the penetrating insertion hole and the arc edge on the holding portion side of the locking hole is located near the center line.

[0005]

In the connecting portion of the table, a connecting shaft having a head is inserted through the insertion hole of the frame member without a leaf spring member, and the leaf spring member is actuated on the frame member having the leaf spring member. By releasing the operation of the leaf spring member by inserting the connecting shaft into the insertion hole of the locking member and the locking hole of the locking piece of the leaf spring member, the arc-shaped edge of the locking hole comes into contact with the connecting shaft in a pressing manner. Then, the connecting shaft is pressed against the edge of the insertion hole of the frame material, and the connecting shaft is clamped at three points by both edges of the frame material and the edge of the locking hole. The vertical frame material and the corner frame material are connected to each other. Accordingly, even if an external force is applied to the connecting rod in the pulling-out direction, the pulling out of the connecting rod can be prevented by the three-point clamping, and the connected state can be maintained. With a simple configuration of a shaft, it is possible to easily and reliably connect. Also, at the connection portions near both ends of the opposed frame material, the leaf spring members are arranged at diagonal positions in a mutually reverse configuration, and the connection shafts are inserted and connected from opposite directions, so that they are separated into tables. Even if external force acts in the direction, the connected state can be maintained. Also, when the table is not connected, the connecting shaft is inserted through the insertion hole of the frame member to which the leaf spring member is attached, so that the connection shaft is clamped and fixed via the locking hole of the leaf spring member, so that it is not lost. In addition, it does not inadvertently protrude and damages clothes and the like, and since it is placed in the support frame inside the top plate, the appearance of the table is not impaired.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a plan view in which, for example, a long table 1 and a corner table 7 are connected, and FIG. The long table 1 has a substantially rectangular top plate 2,
A support frame 3 in which a horizontal frame member 4 and a vertical frame member 5 attached to the lower surface are framed in a substantially rectangular shape, and leg portions 6 of a predetermined length are attached to each corner of the support frame 3. Thus, the length table 1 is formed.

The corner table 7 is a long table 1
A substantially fan-shaped top plate 8 having the same width as the width dimension (depth width), a corner frame member 10 having the same length as the vertical frame member 5 and an arc-shaped arc frame member 11. Fan shaped support frame 9
And a leg 12 having the same length as the leg 6 of the long table 1 is attached, and when both tables 1 and 7 are juxtaposed with the end faces of the top plates 2 and 8 as shown in FIG. Is the long table 1
Is provided so as to be on the same level as the top plate 2.

The frame members 4, 5, 10 and 11 constituting the support frame members 3 and 9 are formed of frame members having a substantially rectangular cross section as shown in FIG. The long table 1, the long table 1, and the corner table 7 thus formed.
As shown in FIG. 1, for example, the connection positions A between the vertical frame members 5 of the long table 1 or the both end portions of the vertical frame member 5 and the corner frame member 10 between the long table 1 and the corner table 7 are located.
The connection is made at 1, A2, and the connection is configured as follows.

For example, a long table 1 and a corner table 7
When the end faces of the top plates 2 and 8 are joined to each other as shown in FIGS. 3 and 4, the vertical frame member 5 and the corner frame member 10 are positioned at a predetermined interval h. I have. In this state, at the connecting position A1, the vertical edges 5a, 5b, 10a and 10b of the vertical frame member 5 and the corner frame member 10 have a predetermined diameter d aligned with the center line C as shown in FIG. Fitting hole 15a,
15b, 16a, and 16b are penetrated. Further, a connection shaft 17 including a shaft portion 17a having a predetermined length and a head portion 17b which can be inserted into the fitting holes 15a, 15b, 16a, 16b is provided so as to be inserted.

Further, for example, a leaf spring member 2 made of a spring member or the like for locking the connection shaft 17 is attached to the vertical frame member 5 at the connection position A1.
1 is attached. In order to attach this leaf spring member 21, for example, one vertical edge 5a of the vertical frame member 5 of the long table 1
A mounting hole 18 for the leaf spring member 21 is provided at a predetermined position from the insertion hole 15a, and a substantially rectangular insertion window is inserted between the fitting hole 15a and the mounting hole 18. The part 19 is penetrated. Also, the other vertical edge 5 of the vertical frame material 5
A substantially rectangular holding window portion 20 through which the holding portion 24 of the leaf spring member 21 is inserted is provided at a position opposite to the insertion window portion 19 with respect to the insertion hole 15b of FIG.

The leaf spring member 21 is formed of a band-like spring member which can be inserted into the windows 19 and 20 as shown in the figure, and as shown in FIGS. A mounting piece 22 is mounted along the outside of the mounting piece, and a locking piece 23 which is inserted through the insertion window 19 from the mounting piece 22 and is inclined at a predetermined angle toward the holding window 20 is formed. A holding portion 24 is formed at an end of the holding portion 24 and is bent into a substantially U-shape to be inserted and held so as to be able to enter and exit the holding window portion 20. A locking hole 25 having a diameter slightly larger than the insertion holes 15 and 16 is provided at a predetermined position at the center of the width of the locking piece 23.
Is pierced.

With the leaf spring member 21 formed in this manner, the locking piece 23 is inserted into the vertical frame member 5 through the insertion window 19, and the holding portion 24 on the distal end side is inserted into the holding window portion 20 to be vertical. It protrudes outside the edge 5b. The mounting piece 22 is fixed to the mounting hole 18 by, for example, a clip 26 made of resin. The leaf spring member 21 thus mounted
In the natural state shown in FIG. 5, as shown in FIG. 5, the locking hole 25 is positioned obliquely on the center line C, and the arc-shaped edge 25a of the locking hole 25 on the holding portion 24 side is an insertion hole. 15 and 16 are located near the center line C on the insertion path of the connecting shaft 17. The connecting portion A2 opposite to the connecting portion A1
1, the leaf spring member 21 is attached to the corner frame member 10 side of the fan-shaped support frame member 9 at a diagonal position as shown in FIG.

As described above, the end portions of the top table 2 and 8 of the long table 1 and the corner table 7 are juxtaposed in a juxtaposed manner, and the vertical frame member 5 and the corner frame member 10 are inserted through each other. 15a, 1
5B, 16a and 16b are aligned, as shown in FIGS. 7 and 8 at the connecting portion A1, the inside of the corner frame member 10 to which the leaf spring member 21 is not attached (the inside of the fan-shaped support frame member 9). ), The connecting shaft 17 is inserted into the insertion holes 15b and 15a. The holding window 20 of the vertical frame member 5 of the leaf spring member 21
When the end of the holding portion 24 which is more protruded is pressed and pushed into the vertical frame member 5, the locking piece 23 is elastically displaced toward the vertical edge 5a,
The locking hole 25 penetrating through the locking piece 23 is positioned substantially parallel to the insertion holes 15a and 15b on the center line C, and when the connecting shaft 17 is pushed in this state, the connecting shaft 17 is inserted into the insertion hole. 15b,
The head 17b is inserted through the locking hole 25 and the insertion hole 15a.
Abuts on the vertical edge 10b to release the pushing force of the holding portion 24.

When the pushing force to the holding portion 24 is released, the locking piece 23 is elastically restored, and the holding portion 24 protrudes from the holding window portion 20. As a result, as shown in FIG. The arc-shaped edge 25a is pressed against the connecting shaft 17 and the restoring force causes the connecting shaft 17 to pass through the insertion holes 15a and 15a.
The connecting shaft 17 is pressed by the two edges 15c and the edge 25a at three points. The arcuate edge 25a of the locking hole 25 is formed by the shaft of the connecting shaft 17. 17
The vertical frame member 5 and the corner frame member 10 are connected to each other. Thus, even if an external force is applied to the connecting rod 17 in the pulling-out direction, the insertion holes 15a, 15b of the vertical edges 5a, 5b are formed.
By the three-point clamping of the arc-shaped edge 15c and the arc-shaped edge 25a of the locking hole 25 of the locking piece 23, the pull-out is prevented and the connected state can be maintained.

When the connection state is released, the holding portion 24 of the leaf spring member 21 is pressed, so that the locking piece 23 is released.
Is elastically displaced so that the locking hole 25 is substantially parallel to the insertion holes 15a and 15b, so that the connection shaft 17 can be pulled out and the connection can be released.

On the side of the connecting portion A2, the connecting portion A1
The leaf spring member 2 is provided on the corner frame member 10.
1, the connecting shaft 17 is inserted from the side of the vertical frame member 5 of the long table 1 and connected.
Are connected in directions opposite to each other, so that even if an external force acts on the long table 1 or the corner table 7 in the separating direction, the connected state can be maintained.

When the connecting shaft 17 is not connected to another table or the like, the vertical frame member 5 to which the leaf spring member 21 is attached is mounted.
Alternatively, the garment is inserted into the insertion holes 15 and 16 of the corner frame member 10 so as to be clamped and fixed through the locking holes 25 of the leaf spring member 21, so that the garment is not lost. And the like, and are positioned in the support frames 3 and 9 of the top plates 2 and 8, so that the appearance of the tables 1 and 7 is not impaired.

In the above embodiment, the long table 1 and the long table 1, the long table 1 and the corner table 7
Has been exemplified, but the present invention is not limited to this.
For example, the present invention can be applied to a connection between a desk and a desk, a chair and a chair, and the like.

[Brief description of the drawings]

FIG. 1 is a plan view of a connected table.

FIG. 2 is a side view of FIG.

FIG. 3 is a partially enlarged view of a connecting portion.

FIG. 4 is a longitudinal sectional view of FIG.

FIG. 5 is a horizontal sectional view of FIG. 3;

FIG. 6 is a perspective view of a connecting portion.

FIG. 7 is an explanatory diagram of a connection process.

FIG. 8 is an explanatory view of connection and fixation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Long table 2, 8 Top plate 3, 9 Support frame 5 Vertical frame material (frame material) 7 Corner table 10 Corner frame material (frame material) 15a, 15b, 16a, 16b Insertion hole 17 Connecting shaft 17a Shaft 17b Head 19 Insertion window portion 20 Holding window portion 21 Leaf spring member 23 Locking piece 25 Locking hole 25a Arc-shaped edge part of locking hole

Claims (4)

[Claims] In a connection structure such as a table for connecting ends of a top plate mounted on a support frame by abutting, a substantially rectangular cylindrical frame member forming one support frame is provided. An insertion hole is inserted through the connection shaft having a head corresponding to the vertical edge to be inserted, and an insertion window portion is opened at a predetermined position from the insertion hole on the inner vertical edge, and the outer vertical A holding window portion is opened at a position opposite to the insertion window portion with respect to the insertion hole of the edge, one end portion is fastened close to the insertion window portion of the frame material, and the holding member is inserted through the insertion window portion and held. A leaf spring member having a holding portion extending from the holding window portion and extending from the holding window portion to a substantially U-shaped bent end portion is provided. In the locking piece, a locking hole is inserted through the connection shaft so as to be obliquely positioned between the insertion holes,
A connection structure for a table or the like, wherein a connection shaft is inserted through an insertion hole at an outer vertical edge of a frame material to elastically engage the engagement hole. 2. A connecting structure, such as a table, for connecting ends of a top plate mounted on a support frame body by butt-shaping, wherein a pair of substantially rectangular cylindrical frame members forming one support frame body are opposed to each other. An insertion hole is inserted through the connection shaft having a head corresponding to the vertical edge to be inserted, and an insertion window portion is opened at a predetermined position from the insertion hole on the inner vertical edge, and the outer vertical A holding window portion is opened at a position opposite to the insertion window portion with respect to the insertion hole of the edge, one end portion is fastened close to the insertion window portion of the frame material, and the holding member is inserted through the insertion window portion and held. A leaf spring member having a holding portion extending from the holding window portion and extending from the holding window portion to a substantially U-shaped bent end portion is provided. In the locking piece, a locking hole is provided so as to be obliquely positioned between the insertion holes so that the connection shaft can be inserted, and the frame material of the other support frame body includes A through-hole matching the insertion hole of the frame member having the leaf spring member is provided therethrough, and the connection shaft is inserted from the insertion hole toward the insertion hole of the frame member having the leaf spring member, and The connecting structure of a table or the like according to claim 1, wherein the connecting structure is elastically locked. 3. A connecting structure for connecting the ends of a top plate mounted on a support frame in a butt shape, wherein the top plate is aligned with the connecting portions near both ends of the frame member opposed to each other at the butting portion of the top plate. A through-hole for inserting a connecting shaft having a head portion, and a leaf spring member having an engaging hole at a diagonal position of a frame material of the connecting portion, and a frame having no leaf spring member. 3. The connection structure for a table or the like according to claim 2, wherein a connection shaft having a head portion is inserted through the insertion hole of the material in an opposed manner to elastically engage with the engagement hole of the leaf spring member. 4. The locking piece of the leaf spring member is positioned obliquely between the vertical edges of the frame material, and the locking hole formed through the locking piece has a through hole formed through the vertical edge. 4. The connection structure for a table or the like according to claim 1, wherein an arc edge on the holding portion side of the locking hole is located near the center line on the center line.