JPH07139526A - Case connection device - Google Patents

Abstract

PURPOSE:To use the connecting hole of a case for connecting mutual cases together right and left or up and down by means of a connecting tool, in common for connecting together right and left ones and upper and lower ones. CONSTITUTION:This case connection device is constituted so that a recessed part 20 composed of a horizontal face 20a and a vertical face is provided on the angle part of a case main body 11 constituted of a top plate 13, a bottom plate 14, and right and left both side plates 15,15, connecting holes 17 opening in the square two directions are provided on the angle part formed out of the horizontal face 20a and the vertical face 20b, engaging projections 24, 24 in the square two directions provided on a connecting tool 21 are engaged with these connecting holes 17, and hence the mutual cases are connected together right and left or up and down.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a case connecting device for connecting various cases such as a floppy case, a small item case, and a letter case vertically or horizontally.

[0002]

2. Description of the Related Art Conventionally, as a case connecting device, as shown in FIG. 7, left and right connecting parts having different opening directions are connected to the respective corners formed by the side plates 2 and 2 of the case 1 and the top and bottom plates 3 and 4. And two types of connecting holes 5 and 6 for connecting
By fitting the U-shaped connecting tool 7 over the left and right connecting holes 5 and 5 or the upper and lower connecting holes 6 and 6 of the two cases 1 and 1 to be connected, the two cases 1 and 1 can be left and right or up and down (or shown in the drawing). It is known that they are connected to each other in the vertical and horizontal directions.

[0003]

However, according to this configuration, since two corners of the case 1 must be provided with two kinds of connecting holes 5 and 6 for left-right connection and for vertical connection,
The number of connecting holes is large (minimum of 8 in four corners).

Therefore, the number of caps for preventing the intrusion of dust through the connecting holes 5 and 6 is increased, and the cost is increased accordingly, which is also unfavorable in terms of aesthetics.

Further, when the cases are vertically or horizontally connected or separated, there is a drawback that the work is troublesome because the connecting tool 7 and the cap are attached / detached in a large number.

Therefore, the present invention provides a case connecting device in which the connecting holes of the case can be commonly used for vertical connection and for left and right connection.

[0007]

According to a first aspect of the present invention, in a case connecting device for connecting cases to each other vertically or horizontally by a connecting tool, a horizontal plane is provided at a corner portion of a case formed by a horizontal wall and a vertical wall. And a vertical surface, and a connecting hole is provided in a corner portion formed by the horizontal surface and the vertical surface in the concave portion so as to straddle the horizontal surface and the vertical surface. On both sides of the connector body that fits over the recesses of both cases
Engagement projections in two right-angled directions that engage with the connection holes of the both recesses are provided.

According to a second aspect of the present invention, in the structure of the first aspect, a cap for closing the connecting hole of the recess is provided, and this cap is provided with projections in two directions at right angles capable of engaging with the connecting hole. It is a thing.

[0009]

According to the above construction, the connecting holes of the case are opened in two directions, horizontal and vertical, and the engaging projections of the connecting tool in the two directions at right angles are engaged with the connecting holes, so that both cases to be connected are formed. It is fixed in the vertical, front-back, left-right directions. That is,
One connecting hole can be commonly used for left and right connecting and for upper and lower connecting.

Therefore, the required number of connecting holes is half that of the conventional one, and the required number of caps for closing the connecting holes is also halved, so that the cost can be reduced and the aesthetic appearance can be improved.

Further, when the cases are connected or separated vertically and horizontally, the number of connecting / disconnecting parts of the connecting tool and the cap is small, so that the connecting / separating work becomes easy.

On the other hand, according to the structure of the second aspect, the cap can be firmly attached to the case by the bidirectional projections, like the connecting tool.

[0013]

Embodiments of the present invention will be described with reference to FIGS.

In this embodiment, a floppy case for accommodating a large number of floppy disks arranged in front and rear in an upright state is taken as an example of application.

In this floppy case, a drawer 12 for accommodating a floppy disk (not shown) is provided in a case body 11 having an open front surface so that the drawer 12 can be freely taken in and out.

The case body 11 includes a top plate 13 and a bottom plate 14.
And the left and right side plates 15 and 15 and the back plate 16, and the connection hole 17 is formed in the central portion in the front-rear direction at each corner formed by the left and right side plates 15 and 15, the ceiling, and the bottom plates 13 and 14. Is provided.

More specifically, the flange 18 and the left and right side plates 15, which are perpendicular to the left and right sides of the top and bottom plates 13 and 14, respectively.
Horizontal flanges 19 are provided on both the upper and lower sides of the base 15, and the front and rear central portions of the left and right sides of the top and bottom plates 13 and 14 are recessed inward in an arc shape.

As a result, a concave portion 20 having an arcuate vertical surface 20a and a horizontal surface 20b is formed in the center of each corner of the case in the front-rear direction.
At the corners formed by the vertical both sides 20a, 20b, connecting holes 17 ... Are provided across both sides 20a, 20b (in a state of opening in two directions at right angles).

The connecting tool 21 for connecting the cases to each other in the left-right direction or the up-down direction is used to connect two cases (the case body 1).
1, 11) corresponding recesses 20 and 20 are filled in with almost no space between both recesses 20 and 20, and a connector main body 22 and both side edge portions 22a of the main body 22.
A pair of engaging protrusions (hereinafter, referred to as the first
Engaging projections, referred to as second engaging projections) 23 and 24.

The engaging projections 23, 24 are formed in a substantially right-angled triangle in cross section, and are provided so as to project in two directions at right angles corresponding to the connecting holes 17.

In this structure, when the cases are connected to each other in the left-right direction or the top-bottom direction, as shown in FIGS. 1 and 3 to 5, the main bodies 11, 1 of both cases to be connected are connected.
1 are arranged side by side in a state in which the recesses 20, 20 of each other are butted against each other, the connector body 22 is fitted from above over the recesses 20, 20, and the elasticity of the connector body 22 is used for both sides. First and second engaging projections 23, 24 of
Is press-fitted into the connection hole 17.

In this way, the case engagement bodies 11 and 11 are positionally fixed in the left-right direction (in the case of left-right connection) or the vertical direction (in the case of up-down connection) by the first engagement projections 23, 23, and the second engagement projections 23, 23 are fixed. The connecting tool 21 is prevented from coming off from the connecting hole 17 by 24 and 24. As a result, the two cases are connected in the left-right or up-down direction while being prevented from relative movement in each direction.

As described above, since the connecting holes 17 can be commonly used for left and right connecting and for upper and lower connecting, the number of connecting holes can be half that of the conventional one.

Therefore, the required number of caps 25 (shown in FIG. 6) 25 for closing the connection hole 17 when not in use is halved, and the cost is low, and the small number of caps improves the appearance of the case. be able to.

Further, when the cases are connected or separated at the same time vertically or horizontally, the connecting tool 21 and the cap 25 are used.
Since the number of attachment / detachment points is small, connection and separation work becomes easy.

The cap 25 is provided on the back side of the cap body 26 that covers the connection hole 17 from the outside, and the engagement projection 2 of the connection tool 21 is provided.
The projections 27 and 28 are provided in the same two directions at right angles as the projections 3 and 24, and the projections 27 and 28 are engaged with the connection hole 17 and are prevented from coming off.

As a result, the cap 25 is attached to the case body 1
1 is firmly attached to the position 1 in each direction.

By the way, in the above embodiment, the recess 20 is
Although it is formed in a semi-cylindrical shape with one side having an arc shape and the other side having a straight shape, the recess 20 may be formed in a semicircular shape or a quadrangle in plan view, and the shape of the connector 21 is determined according to the shape of the recess. Good.

Further, although the drawer type floppy case is taken as an example in the above embodiment, the present invention can be applied to a floppy case having an opening / closing opening on the upper surface thereof and the opening / closing opening being opened and closed by the upper lid. it can.

In this case, the recess 20 and the connecting hole 17 may be provided in the upper and lower flanges of the left and right side plates.

The present invention is not limited to the floppy case, but can be widely applied to various cases such as small items cases and letter cases.

[0032]

As described above, according to the present invention, the corners of the case formed by the horizontal walls and the vertical walls are provided with the concave portions consisting of the horizontal plane and the vertical plane, and the horizontal plane and the vertical plane in the concave sections are provided. At the corner formed by
Since the connecting holes that open in two directions at right angles are provided and the engaging protrusions provided in the connecting tool in two directions at right angles are engaged with the connecting holes, the cases are connected left and right or up and down. The holes can be commonly used for vertical connection and for horizontal connection.

Therefore, the required number of connecting holes is half that of the conventional one, and the required number of caps for closing the connecting holes is also halved, so that the cost can be reduced and the aesthetic appearance can be improved.

Further, when the cases are connected or separated at the same time in the vertical and horizontal directions, the number of connecting and disconnecting parts of the connecting tool and the cap is small, so that the connecting and separating operations are easy.

On the other hand, according to the structure of the second aspect, the cap can be firmly attached to the case by the bidirectional projections, similarly to the connector.

[Brief description of drawings]

FIG. 1 is a perspective view showing a case connecting device according to an embodiment of the present invention.

FIG. 2 is a plan view of a connector in the same device.

FIG. 3 is a cross-sectional view showing a state before connection when the cases are connected in the left-right direction by the same device.

FIG. 4 is a sectional view of the same connected state.

FIG. 5 is a cross-sectional view showing a state in which the case is vertically connected by the device.

FIG. 6 is a cross-sectional view of the device in which the cap is attached.

FIG. 7 is a cross-sectional view showing a conventional case coupling device.

[Explanation of symbols]

 11 Case Main Body 13 Top Plate as Horizontal Wall 14 Bottom Plate as Horizontal Wall 15 Side Plate as Vertical Wall 20 Recess 20a Recess Vertical Surface 20b Recess Horizontal Surface 21 Connector 22 Connector Main Body 23, 24 Right Angle Two-Way Protrusions 25 Cap 27, 28 Cap right angle bidirectional projection

Claims (2)

[Claims] 1. A case connecting device for connecting cases to each other vertically or horizontally by a connecting tool, wherein a corner formed by a horizontal wall and a vertical wall is provided with a concave portion composed of a horizontal surface and a vertical surface. , A connecting hole is provided at a corner portion formed by a horizontal surface and a vertical surface in the concave portion so as to extend across the horizontal surface and the vertical surface, while the connecting tool is fitted over the concave portions of both cases to be connected. A case connecting device, characterized in that engaging projections in two right-angled directions which engage with the connecting holes of the both recesses are provided on both sides of the connecting tool body. 2. The case connection according to claim 1, further comprising a cap that closes the connection hole of the recess, and the cap is provided with protrusions in two directions at right angles that can engage with the connection hole. apparatus.