JP3790014B2 - Connecting structure such as table - Google Patents

Description

[0001]
BACKGROUND 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]
[Prior art]
Conventionally, as this type of table connection structure, for example, techniques disclosed in Japanese Patent Laid-Open No. 6-169826, Japanese Utility Model Publication No. 4-43068, Japanese Patent Publication No. 7-73545, Japanese Utility Model Application Publication No. 6-46529 There is.
[0003]
[Problems to be solved by the invention]
However, the technical contents of this conventional Japanese Patent Application Laid-Open No. Hei 6-169826, Japanese Utility Model Publication No. 4-43068, and Japanese Patent Publication No. 7-73545 are a connection configuration by a combination of a screw member and a connection frame member. In addition, there is a problem that the number of processing steps for the table is large and the cost is high. In addition, in the technical content of Japanese Patent Publication No. 7-73545, the connection structure is simple, but the table side must be specially processed. There is a problem that must be done.
The present invention has been made in order to solve the above-described 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 can be easily separated. It is intended to provide.
[0004]
[Means for Solving the Problems]
In order to solve the above technical problem, the present invention
According to a first aspect of the present invention, there is provided a connection structure such as a table for connecting the end portions of the top plates mounted on the support frame in a butted manner, in a substantially rectangular tubular frame material forming one support frame. An insertion hole is inserted through the connecting shaft with the head corresponding to the vertical edge to be installed, and an insertion window is opened at a predetermined position from the insertion hole on the inner vertical edge. A holding window portion is opened at a position opposite to the insertion window portion from the insertion hole of the outer vertical edge, and one end portion is fastened close to the insertion window portion of the frame member, and is inserted through the insertion window portion. A leaf spring member having a retaining portion extending to the retaining window portion and having a retaining portion that is bent in a substantially U shape at the tip portion and protrudes outward from the retaining window portion is provided. The locking piece of the spring member is positioned obliquely between the insertion holes and penetrates the locking holes so that the connecting shaft can be inserted therethrough. By inserting the connecting shaft is to have a configuration in which the locking hole and the elastic locking,
According to a second aspect of the present invention, there is provided a connection structure such as a table for connecting the end portions of the top plates mounted on the support frame in a butted manner, and a substantially rectangular cylindrical frame member forming one support frame. An insertion hole is inserted through the connecting shaft with the head corresponding to the vertical edge to be installed, and an insertion window is opened at a predetermined position from the insertion hole on the inner vertical edge. A holding window portion is opened at a position opposite to the insertion window portion from the insertion hole of the outer vertical edge, and one end portion is fastened close to the insertion window portion of the frame member, and is inserted through the insertion window portion. A leaf spring member having a retaining portion extending to the retaining window portion and having a retaining portion that is bent in a substantially U shape at the tip portion and protrudes outward from the retaining window portion is provided. The locking piece of the spring member is positioned obliquely between the insertion holes and penetrates the locking holes so that the connecting shaft can be inserted. An insertion hole that aligns with the insertion hole of the frame member having the plate spring member is penetrated, and the connecting shaft is inserted from the insertion hole toward the insertion hole of the frame member having the leaf spring member, and the locking hole is inserted. And is configured to be elastically locked,
According to a third aspect of the present invention, in the connection structure in which the end portions of the top plate attached on the support frame body are connected in a butted manner, the connection portions near the both end portions of the frame member provided at the butting portion of the top plate are provided. A plate spring member having a locking hole is disposed at a diagonal position of the frame portion of the connecting portion, and a through hole through which the connecting shaft having the head is aligned is inserted. It is a configuration in which the connecting shaft having the head is inserted in an opposing manner from the insertion hole of the non-frame material and is elastically locked to the 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 member, and the locking hole that penetrates the locking piece penetrates the vertical edge. The arc edge on the holding portion side of the locking hole is a connection structure such as a table that is located near the center line.
[0005]
【The invention's effect】
In the connecting portion of the table, a connecting shaft having a head is inserted from an insertion hole of the frame member without the leaf spring member, and the leaf spring member is operated on the frame member having the leaf spring member to insert the frame member insertion hole and the plate. By inserting the connecting shaft into the locking hole of the locking piece of the spring member and releasing the operation of the leaf spring member, the arcuate edge of the locking hole comes into contact with the connecting shaft in a pressing manner, and the connecting shaft is Pressing against the edge of the insertion hole of the frame material, the connecting shaft is clamped at three points by both edges of the frame material and the edge of the locking hole, and the edge of the locking hole becomes a biting shape on the connecting shaft The material and the corner frame material are connected. As a result, even if an external force is applied to the connecting rod in the pulling direction, the pulling is prevented by this three-point holding and the connected state can be maintained, and the through hole of the frame member is connected to the leaf spring member. It can be easily and reliably connected with a simple structure of a shaft.
In addition, the leaf spring members are arranged opposite to each other at the connecting portions near the both ends of the frame member to be installed, and the connecting shafts are inserted and connected from opposite directions, so that they are separated into tables. Even if an external force acts in the direction, the connected state can be maintained.
In addition, 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 fixed through the locking hole of the leaf spring member, so that it is not lost. Further, it does not protrude carelessly and does not damage clothes or the like, and it does not impair the appearance of the table because it is positioned in a storage form within the support frame of the top plate.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the 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. 2 is a side view. A top frame 2, a support frame 3 in which a horizontal frame 4 and a vertical frame 5 attached to the lower surface side are framed in a substantially rectangular shape, and each corner portion of the support frame 3 has a predetermined length. The leg portion 6 is attached to form the long table 1.
[0007]
The corner table 7 has a substantially fan-shaped top plate 8 having the same width as that of the long table 1 (depth width), a corner frame member 10 having the same length as the vertical frame member 5, and an arc shape. The circular arc frame member 11 attaches a substantially fan-shaped fan-shaped support frame body 9 and a leg portion 12 having the same length as the leg portion 6 of the long table 1, and the tables 1 and 7 are attached to the top plate 2 as shown in the figure. , 8 are arranged side by side in abutting manner, the top plate 8 is provided so as to be at the same level as the top plate 2 of the long table 1.
[0008]
Further, the frame members 4, 5, 10, and 11 constituting the support frames 3 and 9 are formed of a frame member having a substantially rectangular cross section as shown in FIG. As shown in FIG. 1, the long table 1 and the long table 1 and the corner table 7 formed in this way are connected to each other, for example, between the vertical frame members 5 of the long table 1 or between the long table 1 and the corner table 7. 5 and the corner frame member 10 are connected at connection positions A1, A2 near both ends, and the connection is configured as follows.
[0009]
For example, in order to connect the long table 1 and the corner table 7, when the end surfaces of the top plates 2 and 8 are butt-shaped as shown in FIGS. 3 and 4, the vertical frame member 5 and the corner frame member 10 are They are positioned at a predetermined interval h. In this state, at the connection position A1, as shown in FIG. 5, the vertical edges 5a, 5b, 10a and 10b of the vertical frame member 5 and the corner frame member 10 are aligned on the center line C and have a predetermined diameter d. The fitting holes 15a, 15b, 16a, and 16b are penetrated. And it is provided so that the connection axis | shaft 17 which consists of the shaft part 17a and the head part 17b of the predetermined length which can be inserted in these fitting holes 15a, 15b, 16a, 16b will be inserted.
[0010]
Further, for example, a plate spring member 21 made of a spring member or the like for locking the connecting shaft 17 is attached to the vertical frame member 5 at the connecting position A1. In order to attach the leaf spring member 21, for example, an attachment hole 18 of the leaf spring member 21 is provided at a predetermined position from an insertion hole 15 a of one longitudinal edge 5 a of the longitudinal frame member 5 of the long table 1. Between the hole 15 a and the mounting hole 18, an insertion window portion 19 is inserted so as to pass through the leaf spring member 21 in a substantially rectangular shape. Further, a substantially rectangular holding window portion 20 through which the holding portion 24 of the leaf spring member 21 is inserted at a position opposite to the insertion window portion 19 with respect to the insertion hole 15 b of the other vertical edge 5 b of the vertical frame member 5. It is penetrating.
[0011]
Further, the leaf spring member 21 is formed of a belt-like spring member that can be inserted into the window portions 19 and 20 as shown in the figure. As shown in FIGS. 5 and 6, the leaf spring member 21 is formed outside the mounting hole 18 of the vertical frame member 5a. A mounting piece 22 that is attached along and a locking piece 23 that is inserted from the mounting piece 22 into the insertion window portion 19 and that is inclined at a predetermined angle toward the holding window portion 20. A holding portion 24 bent into a substantially U shape that is inserted and held so as to be able to enter and leave the holding window portion 20 is formed in the portion. A locking hole 25 having a slightly larger diameter than the insertion holes 15 and 16 is provided at a predetermined position in the center of the width of the locking piece 23.
[0012]
The plate spring member 21 formed in this way has its locking piece 23 inserted into the vertical frame member 5 from the insertion window portion 19, and the holding portion 24 on the distal end side is inserted into the holding window portion 20 to form the vertical edge 5 b. It protrudes outward. The attachment piece 22 is fixed to the attachment hole 18 by, for example, a resin clip 26. In the natural state of the leaf spring member 21 attached in this way, as shown in FIG. 5, the locking hole 25 is located obliquely on the center line C, and the holding hole 24 side of the locking hole 25. The arc-shaped edge 25 a is positioned on the insertion path of the connecting shaft 17 so as to be close to the center line C of the insertion holes 15 and 16. In the connecting portion A2 opposite to the connecting portion A1, as shown in FIG. 1, the leaf spring member 21 is attached to the corner frame member 10 side of the fan-shaped support frame body 9 at a diagonal position. Yes.
[0013]
In this way, the end portions of the top plates 2 and 8 of the long table 1 and the corner table 7 are arranged side by side in a butted manner, and the insertion holes 15 a and 15 b are formed so as to penetrate the vertical frame member 5 and the corner frame member 10. 16a, 16b in an aligned state, 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 9). The connecting shaft 17 is inserted into the insertion holes 15b and 15a. And if the edge part of the holding | maintenance part 24 protruded from the holding | maintenance window part 20 of the vertical frame material 5 of the leaf | plate spring member 21 is pressed and pushed in into the vertical frame material 5, the locking piece 23 will be to the vertical edge 5a side. The locking hole 25 that is elastically displaced and extends 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 through the insertion hole 15b, the locking hole 25, and the insertion hole 15a, the head 17b is brought into contact with the vertical edge 10b, and the pushing force of the holding portion 24 is released.
[0014]
By releasing the pushing force to the holding portion 24, 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 edge portion 25a is pressed against the connecting shaft 17, and the restoring force presses the connecting shaft 17 toward the arcuate edge portion 15c of the insertion holes 15a and 15b. The connecting shaft 17 is connected to both the edge portions 15c. The edge portion 25a is held at three points, and the arc-shaped edge portion 25a of the locking hole 25 is bitten into the shaft portion 17a of the connecting shaft 17 so that the vertical frame member 5 and the corner portion frame member 10 are connected. Thereby, even if an external force is applied to the connecting rod 17 in the pulling direction, the arc-shaped edges 15c of the insertion holes 15a, 15b of the vertical edges 5a, 5b and the arc-shaped edges of the locking holes 25 of the locking pieces 23 With the three-point holding by the portion 25a, the drawing is prevented and the connected state can be maintained.
[0015]
And when releasing this connection state, by pressing the holding part 24 of the leaf | plate spring member 21, the locking piece 23 will be elastically displaced and the locking hole 25 will become substantially parallel with the insertion holes 15a and 15b. The connecting shaft 17 can be pulled out and the connection can be released.
[0016]
Further, the connecting portion A2 side is opposite to the connecting portion A1, the leaf frame member 21 is provided on the corner frame member 10, and the connecting shaft 17 is inserted from the vertical frame member 5 side of the long table 1. Since the connecting portions A1 and A2 are connected in directions opposite to each other, the connected state can be maintained even if an external force acts on the long table 1 or the corner table 7 in the separating direction. it can.
[0017]
Further, when the connecting shaft 17 is not connected to another table or the like, the connecting shaft 17 is inserted into the insertion holes 15 and 16 of the vertical frame member 5 or the corner frame member 10 to which the leaf spring member 21 is attached. Since it is fastened and fixed via the locking hole 25, it will not be lost, and it will not accidentally protrude and damage clothes, etc., and the top frame 2, 8 inside the support frames 3, 9 Therefore, the appearance of the tables 1 and 7 is not impaired.
[0018]
In the above embodiment, the connection between the long table 1 and the long table 1 and the long table 1 and the corner table 7 is illustrated. However, the present invention is not limited to this. For example, the connection between a desk and a desk, a chair and a chair, etc. Is also applicable.
[Brief description of the drawings]
FIG. 1 is a plan view of connected tables.
FIG. 2 is a side view of FIG.
FIG. 3 is a partially enlarged view of a connecting portion.
4 is a longitudinal sectional view of FIG. 3. 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 diagram of connection fixation.
[Explanation of symbols]
1 Long table 2, 8 Top plate 3, 9 Support frame body 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 part 17b Head part 19 Insertion window part 20 Holding window part 21 Leaf spring member 23 Engagement piece 25 Engagement hole 25a A part of arcuate edge of the engagement hole

Claims (4)

In a connection structure such as a table that connects the ends of the top plate mounted on the support frame in a butted manner,
An insertion hole is inserted through the connecting shaft having the head corresponding to the vertical edge of the substantially rectangular cylindrical frame member forming one support frame, and the inner vertical edge is inserted. An opening window portion is opened at a predetermined position from the 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 member,
One end of the frame material is fixed in the vicinity of the insertion window portion, a locking piece is inserted through the insertion window portion and directed to the holding window portion, and is folded into a substantially U shape at the tip portion. A leaf spring member having a holding portion that is bent and protrudes outward from the holding window portion is disposed, and the engaging piece of this leaf spring member is positioned obliquely between the insertion holes so that the connecting shaft can be inserted therethrough. A connecting structure for a table or the like, characterized in that a locking hole is provided through the connecting shaft, a connecting shaft is inserted through the insertion hole at the outer vertical edge of the frame member, and the locking hole is elastically locked to the locking hole. In a connection structure such as a table that connects the ends of the top plate mounted on the support frame in a butted manner,
An insertion hole is inserted through the connecting shaft having the head corresponding to the vertical edge of the substantially rectangular cylindrical frame member forming one support frame, and the inner vertical edge is inserted. An opening window portion is opened at a predetermined position from the 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 member,
One end of the frame material is fixed in the vicinity of the insertion window portion, a locking piece is inserted through the insertion window portion and directed to the holding window portion, and is folded into a substantially U shape at the tip portion. A leaf spring member having a holding portion that is bent and protrudes outward from the holding window portion is disposed, and the engaging piece of this leaf spring member is positioned obliquely between the insertion holes so that the connecting shaft can be inserted therethrough. A locking hole in the
The frame member of the other support frame is provided with an insertion hole that is aligned with the insertion hole of the frame member having the leaf spring member, and the connecting shaft is inserted into the frame member having the leaf spring member from the insertion hole. The connection structure for a table or the like according to claim 1, wherein the connection structure is inserted into the hole and elastically locked to the locking hole. In the connection structure that connects the ends of the top plates attached on the support frame in a butted manner,
The through holes are inserted through the connecting shafts having heads in alignment with the connecting portions near the both ends of the frame material facing the butting portion of the top plate, and the diagonal shape of the frame material of this connecting portion A leaf spring member having a locking hole is disposed at a position, and a connecting shaft having a head is inserted in an opposing manner from an insertion hole of a frame member without the leaf spring member, and is elastically engaged with the locking hole of the leaf spring member. The connection structure for a table or the like according to claim 2, wherein the connection structure is stopped. The locking piece of the leaf spring member is positioned obliquely between the vertical edges of the frame member, and the locking hole penetrating the locking piece is on the center line of the insertion hole penetrating the vertical edge. 4. The connecting structure for a table or the like according to claim 1, wherein the arc edge on the holding portion side of the locking hole is positioned closer to the center line.

Images