JPH0444887Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an improvement of a connecting device that is suitably used, for example, when shelf members are stacked on a desk top and are integrally connected.

[Conventional technology]

Conventionally, various connecting devices have been proposed for stacking and integrally connecting shelf board members of a plurality of shelves on the top plate of a study desk or an office desk. Utsukai Showa 59-
Publication No. 79608 and Japanese Utility Model Application Publication No. 59-81804 disclose a screw that has a locking pawl on one end that locks on the side of the desk top plate, and has a screw on the other end that is fixed to the shelf board member side. A connecting fitting having a stop portion is disclosed. and,
A known configuration is known in which the screw insertion grooves formed in the screw fixing portions are inclined grooves so that both members can be connected and fixed. However, with such a configuration, when stacking and connecting both members, it is necessary to shift the connecting fittings in the left-right direction to properly connect and tighten the two members, which is a troublesome and time-consuming task. The complexity was unavoidable.

For this purpose, Japanese Utility Model Application No. 60-105430 discloses that a locking metal fitting having a substantially U-shape is formed of a spring plate material, and locking claws on both ends of the locking metal fitting are engaged in locking holes formed in both members. , a structure in which both members are integrated by utilizing the elastic force of the spring plate material has also been proposed. However, the reliability of the connection state was lacking, and it could not be said that stable connection and fixation could be achieved.

As a solution to this problem, both parts are hooked and locked using a locking metal fitting, and a tightening screw is provided that can be screwed in the locking direction to ensure the connection. A coupling device that enables this is disclosed in Japanese Utility Model Application Publication No. 60-27731 and Utility Model Application Publication No. 61
This is proposed by Publication No. -202242.

[The problem that the idea aims to solve]

However, in such a connecting device, the direction in which the locking fitting is assembled and the direction in which the tightening screw is screwed in are different, so it is necessary to perform the connection work from different directions, which makes the work difficult. There was a drawback that it became complicated. Moreover, since the tightening direction is vertical, there are problems such as the tightening work is difficult and troublesome. Therefore, it is desired to take some kind of measure that has a simple structure, allows for simple assembly and tightening work, and does not cause problems such as rattling.

The present invention has been developed in view of the above-mentioned circumstances.The number of component parts is the minimum necessary, the assembly and tightening work can be easily performed, a reliable connection can be obtained, and the cost is low. The aim is to obtain a coupling device which is also advantageous.

[Means to solve the problem]

In order to meet such demands, the coupling device according to the present invention includes a mounting box that is fixed to the side surface of the shelf board member with a set screw from the side, and an upper end that is built into the mounting box so that it can freely slide up and down. A locking piece having a locking claw whose lower end is locked to an overhanging part of the desk top plate, and a tightening metal fitting which acts within the mounting box and pulls up the locking claw at the upper end of the locking piece. , this fastening fitting consists of a tightening screw that can be adjusted from the outside of the mounting box, a sliding member that is moved in the left and right direction by the tightening screw, and a base that is pivoted on the sliding member and tilted. It is composed of a push-up piece that pushes up the upper end of the locking piece at the upper end.

[Effect]

After stacking the shelf board members on the top of the desk, assemble them from the outside perpendicular to their joints, fix the mounting box to the shelf board member from the outside with set screws, and tighten the locking claws of the locking pieces. Set it by locking it on the bottom side of the top plate.

Next, by threading the tightening screw from the same direction as the set screw and screwing the sliding member of the tightening fitting in the left-right direction within the mounting box, the inclined push-up piece is raised up. Push up the locking piece.
Along with this, the locking pawl is pulled up, so that the shelf board member and the desk top board are tightened and integrally connected.

〔Example〕

Hereinafter, an embodiment of the present invention shown in FIGS. 1 to 6 will be described in detail.

The connecting device 10 is attached from the side with a desk 1 used as a study desk, for example, and a shelf member 3 standing on the back side of the top plate 2 to form a shelf stack. . The connecting device 10 includes a mounting box 12 that is screwed and fixed from the side to the side plate 3a of the shelf board member 3 with set screws 11, and an upper end 13b built into the mounting box 12 so as to be vertically slidable. At the same time, the lower end is attached to the top plate overhang part 2a.
A locking piece 13 having a substantially L-shaped locking claw 13a that is locked on the lower surface of the locking piece 13, and a tightening fitting 16 that acts on the upper end 13a of the locking piece inside the mounting box 12 to pull up the locking claw 13. It basically consists of.

The mounting box 12 is made of a synthetic resin material or the like and has a substantially rectangular cup shape, and a set screw 11 is located on the upper side, and a tightening screw 17 is provided from the lower side in the same direction. The locking piece 13 has a substantially L-shaped engagement receiving part 13b at the upper end, and a notch 13c in the middle.
These are formed by bending a metal plate.

Next, the tightening fitting 16 is attached to the mounting box 1.
2, a sliding member 18 that is moved in the left-right direction by the tightening screw 17, and a base 14a is pivotally supported by the sliding member 18 and engaged at the upper end 14c. It consists of a push-up piece 14 that pushes up the joint receiving part 13b. A relief groove 14b for the set screw 11 is formed in this push-up piece 14. Also,
The upper end 14c of this push-up piece 14 contacts the engagement receiving part 13b inside the mounting box, and the base part 14a is pivoted diagonally downward to the sliding member 18 to form a link structure, and is biased in the engagement direction by a spring 18a. has been done. The sliding member 18 has a screw hole 18b in the center, sleeve pieces 18c, 18c bent into a substantially U-shape at both ends, and sliding surface portions 18d, 18 on the lower surface of the sleeve pieces 18c, 18c.
d, and the sliding surface portions 18d, 18d are slid along the inclined wall 15 by a screw feeding structure using a tightening screw 17.

Here, the tightening fitting 16 is attached to the mounting box 12.
A pair of regulating walls 1 is installed to prevent rotation by the inclined wall 15 of the
The position is restricted by 9 and 19.

According to the above configuration, the shelf board member 3 is attached to the top plate 2 of the desk 1.
After stacking the mounting boxes 12 on the shelf board member 3,
If it is fixed from the outside with the setscrew 11, the locking claw 13a of the locking piece 13 is set with a margin on the lower surface side of the top plate projecting portion 2a. At that time, it is desirable to drive an omime nut 20 into the shelf board member 3 as shown in the figure.

Next, when the tightening screw 17 is screwed to the outside of the mounting box 12, the sliding member 18 of the tightening fitting 16 is screwed to the right in the figure inside the mounting box 12, so that it is tilted. The push-up piece 14 that is in place is raised up. During the tightening work, the display section 21 indicating the tightening direction and loosening direction can be used. As the push-up piece 14 is pushed up, the locking pawl 13a is pulled up and locked onto the lower surface of the overhanging portion 2a and tightened, so that the shelf board member 3 and the desk top plate 2 are integrally connected.

When removing, rotate the tightening screw 17 in the direction in which the display section 21 loosens, and the sliding member will move to the second position.
Since it moves to the left in the figure, the push-up piece 14 descends and the locking piece 13 becomes free, allowing it to be loosened and removed.

According to the above embodiment, by slanting the tightening screw 17 and the inclined wall 15, the tightening distance can be set to be longer by the inclination, and it is possible to effectively cope with the thickness of the top plate. In addition, a mounting box 12, a locking piece 1
2. It can be done with the minimum necessary number of parts, such as the tightening fitting 16 having the push-up piece 14, the set screw 11 and the tightening screw 17, and has the advantage of being simple in structure and inexpensive. .

Furthermore, without being restricted to the above embodiments, the coupling device 1
The shape, structure, etc. of each part of 0 can be modified or changed as necessary, and various modifications can be considered. For example, a structure in which a wood screw is directly screwed and fixed to the shelf board member 3 as the set screw 11 is also possible. Moreover, it can be used effectively when connecting and fixing two appropriate members. In short, it is sufficient that at least one member is provided with a latching portion that can be latched by a latching piece, and the present invention can be employed in assemblies in various fields.

[Effect of idea]

As explained above, the coupling device according to the present invention provides the following effects.

The work is the simplest, as the desk and shelf member can be connected by simply fixing the mounting box to the side of the shelf member from the outside with set screws and rotating the tightening screw from the same outside. became
Even consumers can easily connect without any explanation.

The locking piece is tightened by tilting the push-up piece upright by the screw feed of the sliding member, so a strong connection with no looseness can be achieved and the shelf board can be completely prevented from falling over. . Moreover, the loosening over time is suppressed compared to directly tightening the screws.

[Brief explanation of the drawing]

The drawings show an embodiment of the coupling device according to the present invention, and FIG. 1 is a cross-sectional view of the same main part before tightening, FIG. 2 is a cross-sectional view of the same main part in the fastened state, and FIG. 1 is a side view, FIG. 4 is a rear view thereof, and FIG. 5 is a schematic perspective view showing the relationship of parts assembled in the mounting box.
FIG. 6 is a schematic perspective view showing a desk and shelf board member to which the present invention is applied. DESCRIPTION OF SYMBOLS 1... desk, 2... top plate, 2a... overhang part (hanging part), 3... shelf board member, 10... connection device,
11...Set screw, 12...Mounting box, 13
... Locking piece, 13a ... Locking claw, 14 ... Push-up piece, 15 ... Inclined wall, 16 ... Tightening metal fitting, 17 ...
...Tightening screw, 18...Sliding member.

Claims (1)

[Scope of utility model registration request] A connecting device for loading shelf members on a desk top plate and connecting joint parts, a mounting box fixed to a side surface of the shelf member with a set screw from the outside;
A locking piece whose upper end is vertically slidably incorporated into the mounting box and has a locking claw whose lower end is locked to the protruding part of the desk top plate, and a locking piece whose upper end is installed inside the mounting box. The clamping bracket is equipped with a clamping screw that can be adjusted from the outside of the mounting box and a slider that is moved in the left and right direction by the clamping screw. A coupling device comprising a moving member and a push-up piece whose base is pivotally supported by the sliding member and whose inclined upper end pushes up the upper end of the locking piece.