JPH0750571Y2 - Top plate and top plate support connecting device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting device for a top plate and a top plate supporting part in assembled furniture, and more particularly to a connecting device for easily connecting and disconnecting the top plate to the top plate supporting part. It is a thing.

[0002]

2. Description of the Related Art Conventionally, various connecting devices for a top plate and a top plate supporting portion in assembled furniture have been provided.
Some of them are described in Japanese Patent Laid-Open No. 2-2507 and Japanese Utility Model Laid-Open No. 2-2508.

The connecting device described in Japanese Utility Model Laid-Open No. 2-2507 is such that a central portion of a locking piece in which a claw portion is formed on the outer side of the tip is supported in a frame bent in a U-shaped cross section. While being rotatably mounted on the frame, the claw portion of the locking piece is urged outward by an elastic body whose one end is supported by a supporting piece connected to the frame, while the claw portion of the locking piece is mounted on the bottom plate of the frame. A substantially elliptical rotary member that can be rotated from below the top plate of the top plate support to which the connecting device is attached is provided, and when the top plate is separated, this rotary member is rotated to operate the lower end side of the locking piece. It has a structure in which the claw portion of the locking piece can be pulled inward by pressing the piece outward.

The connecting device described in Japanese Utility Model Laid-Open No. 2-2508 has a structure in which the rotating body is removed from the connecting device of the above-mentioned publication. In this connecting device, the top plate is a top plate support member. In the case of separating from the top plate, the locking pin of the connecting device is pulled out from below the upper plate of the top plate supporting part, and the top plate and the top plate supporting part are separated with the connecting device attached to the top plate.

In the coupling device of the above publication, the entire coupling device is provided on the upper surface of the top plate supporting portion in a protruding state, and the lower surface of the top plate has a volume capable of accommodating the entire coupling device at a position corresponding to the coupling device. Therefore, it is suitable for application to a steel top plate having a hollow middle part because it forms a housing part, but it is not suitable for a wooden top plate with a solid interior or a top plate fully filled with a core material. is there.

Further, in the above-mentioned known example, when it is necessary to change the combination of the top plate and the top plate support part after the top plate is mounted on the top plate support part, the top plate is supported by the top plate support part. Although it is necessary to separate the top plate from the top plate, the top plate and the top plate support part are separated from each other in the connecting device, but the work of replacing the top plate is complicated.

[0007]

SUMMARY OF THE INVENTION In view of the problems of the connecting device disclosed in the above publication, the present invention positions the connecting device so that only the engaging portion projects from the upper surface of the top plate supporting portion, and the top plate is made of wood. Even if it is a solid type such as the above, it suffices if the part that receives the engaging part of the connecting device is made compact, and that the structure of the top plate and the top plate supporting part that is easy to remove after connecting It is an object to provide a connecting device.

[0008]

The present invention has been made for the purpose of solving the above-mentioned problems, and its constitution is as follows.
A frame formed by a bottom plate and both side plates into a substantially U-shaped vertical section.
An outwardly facing claw portion is formed on the front side of the upper end, a rearward lever portion is formed on the rear side of the intermediate portion, and a lock pin that is pressed by a spring from the rear is provided on the side surface of the intermediate portion. An elastic body is interposed between the lever portion and the frame bottom plate to pivotally support the stopper piece at the lower end portion of the locking piece so that an outward rotational force is applied to the locking piece. On the other hand, a lock hole is formed at an intermediate portion of the frame side plate corresponding to the lock pin when the locking piece is rotated rearward, and at the eccentric position of the frame bottom plate. A connecting tool provided with a connecting flange via a connecting shaft projecting downward, a large-diameter portion through which the connecting flange of the connecting tool can be inserted, and a connecting shaft of the connecting tool continuous to the large-diameter portion. With a top plate support part such as a panel leg having an engagement hole having a small diameter part to be fitted And a top plate side member having a locking edge for inserting and locking the claw portion of the locking piece of the coupling tool at a position corresponding to the coupling tool in which the coupling shaft is fitted in the engagement hole. It is characterized by that.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to FIGS. 1 is a front view of a connecting tool in an example of the connecting device of the present invention, FIG. 2 is a sectional view taken along line XX of FIG. 1, and FIG.
5 is a plan view of what is shown in FIG. 1, FIG. 4 is a perspective view showing an engaging hole formed in a lateral groove member provided in an upper portion of the top plate supporting portion, FIG.
FIG. 6 is a partially cutaway enlarged perspective view showing a state in which a top plate and a top plate support portion are connected by a connecting tool.

1 to 3, A is a connector of the present invention, and 1 is a frame of the connector A, which is a bottom plate 2 and both side plates 3 which are connected to both sides of the bottom plate 2 and extend upward at a right angle. And 3 form a substantially U-shaped vertical section. 4 is a locking piece,
An outwardly projecting claw portion 5 is formed at the upper end, and the lower end portion is rotatably mounted in the frame 1 by a pivot shaft 6 that is installed between both side plates 3 of the frame 1.

Reference numeral 7 is a lever portion extending rearward from an intermediate portion of the locking piece 4, 8 is a recess formed on the lower surface of the rear portion of the lever portion 7, and 9 is the lever portion 7 and the frame 1. A spring interposed between the bottom plate 2 and the bottom plate 2. The lower end of this spring 9 is attached to a spring receiving projection 10 formed on the bottom plate 2, while the upper end of the spring 9 is compressed and compressed into the recess 8 of the lever portion 7. Lever 7 is spring 9
A stopper formed by bending both side plates 3 and 3 of the frame 1 inside the frame 1 at a predetermined height position above the lever portion 7 while being biased upward by the lever. Since the levers 11 and 11 are provided, the upward posture of the lever portion 7 is stopped at the height position of the stoppers 11 and 11 as shown in FIG.

When the lever portion 7 is urged upward by the spring 9, the locking piece 4 is urged outward of the frame 1, and the claw portion 5 at the upper end of the locking piece 4 is moved to the lever portion. At the position where the − portion 7 is stopped by the stoppers 11 and 11, the frame 1
To the front (on the left side of Fig. 2).

Reference numeral 12 denotes a vertically long lock hole formed in a substantially central portion of the side plate 3 on the right side of FIG. 1 among the side plates 3 and 3 of the frame 1.
Is a lock pin having a diameter that can be fitted into the lock hole 12, 14 is a lateral hole having an inner diameter in which the lock pin 13 provided on the side surface of the locking piece 4 can be loosely fitted, and 15 is a spring housed in the lateral hole 14. In the horizontal hole
The lock pin 13 fitted in 14 is biased so as to project to the side of the side plate 3.

The lock pin 13 has its tip abutting against the side plate 3 of the frame 1 at the position where the engaging piece 4 is urged outward and the claw portion 5 projects to the side of the frame 1. Therefore, the locking piece 4 is tilted inward of the frame 1 to such an extent that the claw portion 5 of the locking piece 4 does not project from the side of the frame 1 though it is recessed in the lateral hole 14. At the position, the lock piece 12 enters the lock hole 12 of the side plate 3 and supports and locks the locking piece 4 in a state of being tilted inward of the frame 1.

The tilting of the locking piece 4 inwardly of the frame 1 is
The locking piece 4 may be tilted directly, or the lever portion 7 may be pressed downward from above with a rod-like member such as a driver. When the lock pin 13 is fitted into the lock hole 12 and the locking piece 4 is tilted inward of the frame 1, if the tip of the lock pin 13 is pressed with a rod-shaped member, the lock pin 13 is locked. Piece 4
Since the repulsive force of the spring 9 acts on the frame 1, it is urged to the outside of the frame 1, so that the claw portion 5 projects from the side of the frame 1. Here, when the locking piece 4 is in a locked state, the locking piece 4 is locked inward of the frame 1 with an inclination angle of about 15 degrees. It may be determined as appropriate depending on the length of the claw, the size of the claw portion 5, and the like.

Reference numeral 16 designates a position eccentric from the center of the bottom plate 2 of the frame 1, here, a position near the center of the bottom plate 2 to the side where the claw portion 5 of the locking piece 4 is formed, and the bottom side of the bottom plate 2 The connecting shaft 17, which is attached so as to protrude, is a connecting flange fixed to the lower end of the connecting shaft 16 in order to form a predetermined space between the connecting shaft 17 and the bottom plate 2. belongs to.

The above-mentioned members 1 to 16 form a connecting tool A in an example of the connecting device of the present invention. Such a connecting tool A is an upper surface (not shown) of a top plate supporting member such as a drawer cabinet or a panel-like leg which becomes a sleeve of a desk, or a horizontally long plate attached to the upper part of these top plate supporting members. It is attached to the bottom of the groove member.

Referring to FIG. 4, a horizontally elongated groove member attached to the upper portion of the top plate supporting member to which the connecting tool A is attached will be described. In FIG. 4, reference numeral 18 denotes a laterally elongated groove member having a U-shaped side cross section with a depth into which approximately 2/3 can be fitted from below the connector A.
Reference numeral 19 is the bottom of the groove member 18, and 20 is a connector A formed on the bottom 19.
Of the connecting shaft 17 when the connecting tool A is fitted into the groove member 18 with a large-diameter portion of such a size that the connecting flange 17 can be inserted therethrough, and the center thereof is displaced from the line L passing through the center of the bottom 19 in the width direction. It is located on the same line as the position of the central axis of. 21 is the large diameter part 20
Is a small diameter portion continuously extending in parallel with the line L,
It is formed with an inner diameter into which the connecting shaft 16 of the connecting tool A can be fitted. The engagement hole B formed of the large-diameter portion 20 and the small-diameter portion 21 allows the connector A to be attached at a predetermined position of the groove member 18 in a predetermined direction.

In order to mount the connector A on the groove member 18, the claw portion 5 of the locking piece 4 of the connector A is fitted into the groove member 18 toward the left side in FIG. Through the large diameter portion 20 of the bottom 19 of the groove member 18, and the bottom plate 2 of the connector A is attached to the bottom 19 of the groove member 18.
By moving to the side of the small diameter portion 21 provided in the groove member 18 above, the connecting shaft 16 is fitted in the small diameter portion 21 and the connecting tool A is attached to the groove member 18.

Next, referring to FIG. 5, a state in which the connecting tool A is mounted on the groove member 18 of the top plate supporting portion to connect the top plate and the top plate supporting portion will be described.

In FIG. 5, C is a top plate supporting portion such as a panel-shaped leg portion of a desk having a groove member 18 attached thereto, D is a top plate which is placed and fixed on the top plate supporting portion C, and 22 is a top. A locked portion formed as an example of the top plate side member at a position corresponding to the locking piece 4 of the connector A mounted on the groove member 18 on the lower surface side of the plate D,
Reference numeral 23 is a locked member provided inside the locked portion 22 with the locking edge t at the upper end inclined inward.

Thus, the fixing of the top plate D on the top plate support portion C, that is, the connection between the top plate D and the top plate support portion C, is performed by the locking piece of the connecting tool A on the support portion C side. 4 is not tilted inward of the frame 1, that is, the locking piece 4 is biased outward of the frame 1 so that the claw portion 5 is projected from the side of the frame 1, and in this state, When the top plate D is placed on the top plate support portion C, the top plate D is positioned at an accurate position, and then the top plate D is pushed down as it is, the locking edge t of the locked member 23 is reached.
The claw portion 5 of the locking piece 4 comes into contact with the locking piece 4 and the locking piece 4 is once tilted inward of the frame 1. When the top plate D is further pushed down, the locking piece 4 is urged to the outside of the frame 1. Then, the lower side of the claw portion 5 is hooked and engaged with the locking edge t of the locked member 23. Next, in order to remove the top plate D that is fixedly connected to the top plate support portion C, as shown in FIGS. 4 and 5, the side wall upper portion of the laterally long groove member 18 is provided on the bottom 19. An insertion hole E for a driver or the like formed at a position corresponding to the engagement hole B
After inserting the tip of a screwdriver or the like into the frame 1 and tilting the locking piece 4 inwardly of the frame 1 to remove the claw portion 5 from the locking edge t of the locked member 23, the lock pin 13 is moved to the side plate of the frame 1. Three
The lock piece 12 is supported by the lock hole 12 in a state of being tilted backward, and the top plate D is lifted upward in this state, so that the top plate D can be removed from the top plate support portion C very easily. .

The top plate D may be placed on the top plate supporting portion C as follows. First, before placing the top plate D, the lever portion 7 of the coupling tool A is previously pushed down from above by a rod-shaped object such as a screwdriver, and the locking piece 4 is tilted inward of the frame 1 so as to tilt the frame 1. The claw portion 5 protruding from the side of the
3 is inserted into the lock hole 12 of the side plate 3 of the frame 1 to support the locking piece 4 in a state of being tilted backward. Next, in this state, the top plate D is placed on the top plate support portion C, the top plate D is positioned at an accurate position, and the tip of the lock pin 13 entering the lock hole 12 of the side plate 3 is pressed. Then spring 9
Thereby biasing the lever portion 7 upward and biasing the locking piece 4 outward of the frame 1 to cause the claw portion 5 to project from the lateral side of the frame 1 and the locked member 23 in the locked portion 22. You may make it hook on the locking edge t of the upper end of.

In the above embodiment, the connecting tool A is mounted on the bottom plate 19 of the horizontally long groove member 18 attached to the upper portion of the top plate supporting portion C. However, the connecting tool A is horizontally attached to the upper portion of the top plate supporting portion C. Groove member 18
It is also possible to directly attach it to the top plate of the top plate supporting portion C without attaching. In this case, the groove member is provided on the upper surface of the top plate supporting portion C.
An engagement hole similar to the engagement hole B formed on the bottom 19 of the top 18 is formed, but most of the coupling tool A is exposed from the top surface of the top plate support portion C, so that the top plate D is locked. The portion 22 has a size and shape capable of accommodating the connector A, and the locking edge t of the upper end of the locked member 23 is also formed at a higher position inside the locked portion 22.

[0025]

The present invention is as described above, and the connector is positioned so that only the engaging portion projects from the upper surface of the top plate support portion, and the top plate is an internal solid type such as a wooden plate. Since the portion that receives the engaging portion of the coupling device can be formed compactly, it can be suitably used for wooden furniture, counters, and the like.

Further, since the connecting shaft of the connecting device in the present invention is mounted at a position eccentric from the center of the bottom plate of the frame,
There is a special effect that the claw portion of the locking piece of the connecting tool can be mounted on the top of the top plate supporting portion without making a mistake in the direction, and the furniture can be assembled very easily and quickly.

Further, according to the connecting device of the present invention, the top plate is temporarily placed on the top plate support part, and the top plate and the top plate support part are judged to determine the combination, etc. Since the top plate support can be connected via a connecting tool, if the combination of the two is not preferable, it can be easily replaced before unlocking and connecting the locking piece of the connecting tool. High value on.

Furthermore, the connecting device of the present invention does not require extra work such as dropping the top plate from above when connecting the top plate and the top plate supporting portion, unlike the conventional device, and the connecting device It can be easily connected by unlocking the locking piece, and an error occurs in the connection between the top plate and the top plate support portion that occurs when a labor such as dropping the top plate is applied in the conventional device. It is difficult, and there is an effect that both can be accurately connected.

[Brief description of drawings]

FIG. 1 is a front view of a connector in an example of the connecting device of the present invention.

FIG. 2 is a sectional view taken along line XX of FIG.

FIG. 3 is a plan view of what is shown in FIG.

FIG. 4 is a perspective view showing an engagement hole formed in a groove member provided on an upper portion of a top plate supporting portion.

FIG. 5 is a partially cutaway enlarged perspective view showing a state in which a top plate and a top plate support portion are connected by a connecting tool.

[Explanation of symbols]

 1 Frame 2 Bottom Plate 3 of Frame 1 Side Plate 4 Locking Piece 5 Claw 6 Pivot Shaft 7 Lever 8 Recess 9 Spring 10 Projection 11 Stopper 12 Lock Hole 13 Lock Pin 14 Side Hole 15 Spring 16 Connection Shaft 17 Connection flange 18 Horizontally elongated groove member 19 Bottom of groove member 18 Large diameter part 21 Small diameter part 22 Locked part 23 Locked member A Connecting tool B Engagement hole C Top plate support part D Top plate t Locking edge

Claims (2)

[Scope of utility model registration request] 1. A frame, which is formed by a bottom plate and both side plates to have a substantially U-shaped vertical cross section, has an outwardly facing claw portion on the front side of the upper end.
Between the lever portion and the frame bottom plate, there are locking pieces formed by forming rearward facing lever portions on the rear surface side of the intermediate portion and providing lock pins which are pressed by springs from the rear on the side surfaces of the intermediate portion. By elastically supporting the lower end portion of the locking piece with an elastic body interposed therebetween, an outward rotational force is urged to the locking piece, while at the intermediate portion of the frame side plate. A lock hole is formed in a portion corresponding to the lock pin when the locking piece is rotated rearward, and a connecting flange is provided at an eccentric position of the frame bottom plate through a connecting shaft protruding downward. And a panel leg in which an engagement hole having a large diameter portion through which the connecting flange of the connecting tool can be inserted and a small diameter portion that fits the connecting shaft of the connecting tool on the upper surface is formed. And the like, and a connecting tool in which the connecting shaft is fitted in the engaging hole. Connection between the top plate and the top plate support part, which comprises a top plate side member having a locking edge formed to insert and lock the claw portion of the locking piece of the connecting tool at a corresponding position. apparatus. 2. The locking edge formed on the top plate member is provided on the locked portion, and the locked portion has a size and shape capable of accommodating the entire coupling tool. A device that connects the top plate and the top plate support.