JP2956261B2 - Tabletop device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a desktop device comprising a housing having a shelf for accommodating a printed board therein, and a cover for covering the housing.

2. Description of the Related Art As a table-top device, for example, there is a table-top device operated on a table as shown in FIG. Such a desk-top type device has a box-shaped housing 1 having an opening surface as shown in the above figure, and an operation portion such as a key switch arranged on the upper surface inclined so that the front side is lowered so as to cover the upper side of the housing 1. And a cover 2 to be mounted.

A cable 3 led out from the rear side of the housing 1
Is connected to a relay stand (not shown). Further, a printed board and mechanical parts having an electrical function are mounted and arranged in the housing 1, and when necessary for maintenance and inspection of these parts, the cover 2 is removed or opened.

[0004]

2. Description of the Related Art FIG. 6 is a perspective view of a conventional tabletop device, with a cover opened. This table-top device includes a shallow box-shaped housing 1 having an opening at the top and a cover 2 covering the upper side of the housing 1, and the rear sides of the housing 1 and the cover 2 are connected by a hinge 2A. The cover 2 is configured so that the front side thereof can be opened upward.

[0005] Above the front plate 1A of the housing 1, there is provided a receiving plate 1a with which the lower bent surface of the cover 2 contacts. When the cover 2 is closed, the bent surface comes into contact with the surface of the receiving plate 1a. The set screw 9 is inserted into the screw insertion hole of the receiving plate 1a from below, and screwed into the screw hole of the bent surface to be tightened and connected.

In the housing 1, a plurality (two in the figure) of printed boards 5, and mechanical components having electrical functions (not shown) are mounted and arranged. The connector mounted on the bottom surface of the housing 1 and the connector mounted on the inner surface of the cover 2 are connected by a flat cable 4 to connect an electrical circuit between the housing 1 and the cover 2.

The mounting holes at the four corners of the printed board 5 are placed on the four spacing members 7 erected on the bottom surface of the housing 1, and the small screws 8 are inserted into the mounting holes.
It is screwed into a screw hole opened on the upper end surface of the spacing member 7 and attached by tightening.

A flat cable 6 is used to connect a printed circuit board 5 and a mechanical component having an electrical function (not shown) mounted on the bottom surface of the housing 1 with a connector. It is electrically connected by the flat cable 4 described above.

A stay 10 provided between the side of the housing 1 and the cover 2 and shown by a dashed line is as shown in a perspective view of FIG. 7 and includes a slide bar 12 made of an elongated metal plate, It is a commercially available product comprising an elongated rectangular tube 11 into which the slide bar 12 can be inserted and removed.

The slide bar 12 is provided with a drum-shaped piece (not shown) at the inner end of the square tube 11 so as to be swingable, and an elongated window 17 is provided at the upper end of the square tube 11. Have been. The slide bar 12 is pulled out of the rectangular tube 11 and, when the piece (not shown) reaches the position of the window 17, the hand that has been pulled out is released.
Is slightly lowered by its own weight, and the lower end portion of the bridge comes into contact with and engages with the lower end surface of the window 17 so that the slide bar 12 is positioned below it.

When the slide bar 12 is pulled up from the state where it is positioned with respect to the rectangular tube 11 and the piece is moved to the upper side of the window 17, the piece is rotated substantially 90 degrees, and the window 1 is rotated.
Since the state in which the slide bar 12 can be engaged with the slide bar 7 is released, the slide bar 12 can be pushed into the square tube 11 as it is.

In order to mount the stay 10 so as to connect between the housing 1 and the cover 2, an L-shaped lower seat plate 13 is mounted on the bottom surface of the housing 1 and the lower seat plate 1
A pin 15 is provided on a vertical surface of the rectangular cylinder 3, and a hole at the lower end of the rectangular cylinder 11 is fitted to the pin 15, so that the end of the rectangular cylinder 11 is swingably attached to the housing 1.

An L-shaped upper seat plate 1 is also provided on the inner surface of one cover 2.
4 is attached, a pin 16 is provided on a vertical surface of the upper seat plate 14, and a hole at the upper end of the slide bar 12 is fitted to the pin 16, so that the end between the slide bar 12 and the cover 1 swings. Movably coupled.

A retaining means (not shown), such as an E-shaped retaining ring or a split pin, is provided on both pins 15 and 16 to prevent the stay 10 from coming off.

With the above configuration, if necessary for maintenance and inspection of the inside of the apparatus, the set screw 9 is removed and the front side of the cover 2 is lifted as shown in FIG. However, the positioning function of the stay 10 operates at a predetermined angular position, and the open position of the cover 2 is maintained.

[0016]

According to such a conventional table-top device, if the printed board 5 inside the device needs maintenance and inspection, the four small screws 8 must be loosened and removed individually. Must be completed.
There is a problem that it is very troublesome and troublesome, that the screw 8 must be tightened again.

Since a plurality of printed boards 5 are arranged and mounted in a plane inside the housing, there is also a problem that an area occupied by the apparatus is required and the apparatus cannot be miniaturized.

The present invention has been made in view of the above-mentioned problems of the prior art, and provides a novel desk-top device capable of easily performing operations such as maintenance and inspection inside the device and miniaturizing the device. The subject of the.

[0019]

The gist of the present invention for solving the above problems is to provide a housing for housing a printed board inside with an upper portion as an opening surface and covering the upper portion of the housing. A cover whose front side can be opened and closed in the up-down direction and a back side connected to the housing, and the printed board is housed in multiple stages parallel to the bottom surface of the housing and the back side is hinged to the bottom surface of the housing. A shelf to be joined, an arm plate in which a long hole on one end is engaged with a pin protruding from a side surface of the shelf and the other end is rotatably engaged with an inner surface of the cover, And a stay for positioning the cover at a predetermined opening position, and in the process of opening the cover from the housing, the end of the long hole of the arm plate engages with the pin of the shelf to tilt up the front of the shelf and open the predetermined opening. In position Cover in that is so as to be held by the stay.

[0020]

According to the above-mentioned constitutional means of the tabletop device of the present invention,
The shelf accommodates the printed board in multiple stages by plug-in connection in a direction parallel to the bottom of the housing, the back side is hinged to the bottom of the housing, and the pins on the side of this shelf are connected to the arm plate. And the other end of the arm plate is rotatably engaged with the inner surface of the cover, so that the cover is connected to the arm plate in the process of being opened from the housing. The linked shelf is linked to the cover, and has a predetermined positional relationship, and the front side is in an inclined position where it can be lifted,
The cover is positioned and held by the stay at a predetermined open position.

Since the front of the shelf takes an inclined posture in which the front side is lifted in conjunction with the cover, in this state, the printed board can be easily pulled out or inserted into the front side of the shelf. At the time of insertion / extraction work, the space position is spaced apart from the front side of the housing, so that the work can be performed without any trouble.

Since the printed boards are accommodated in the shelf in a plurality of stages, the installation area of the apparatus can be minimized.

At the end of the operation, the shelf is moved down on the bottom surface of the housing in conjunction with the closing of the cover.

[0024]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a configuration of a desk-top type apparatus according to the present invention. Note that the same reference numerals indicate the same target portions throughout the drawings.

FIGS. 1 and 2 are perspective views each showing a main part of an embodiment of the tabletop device according to the present invention. It is easy to understand.

FIGS. 3 and 4 are side views for explaining the operation of the tabletop device of the present invention.
It is shown for easy understanding as another view of a state in which a side plate on the front side of the housing is partially broken away and removed.

Referring now to the drawings, the outside of the tabletop device according to the present invention is a shallow box-shaped casing 1 having an open top.
And a cover 2 that covers the upper part of the housing 1 with a shallow box-shaped lower opening surface. Both rear sides are connected and connected by hinges 2A, and the front side of the cover 2 is Can open and close in any direction.

A shelf 20 for accommodating the printed board 5 is joined to the inner bottom surface of the housing 1 by a hinge 25 at the bottom on the back side, and the bottom surface 22 of the shelf 20 is closely contacted with the bottom surface of the housing 1. On the bottom surface of the housing 1, a mechanical component having an electric function (not shown) is mounted and arranged.

The upper surface of the cover 2 is an inclined surface which descends toward the front side in the front direction. An electric component such as a key switch is mounted inside the cover 2, and an operation portion thereof is arranged so as to be operable on the surface. .

A cover 2 to be closed is provided on a receiving plate 1a protruding in the horizontal direction above the front plate 1A of the housing 1.
Since the lower bent surface of the cover comes into contact, the set screw 9 is inserted from below into the screw insertion hole of the receiving plate 1a, screwed into the screw hole of the bent surface, and the cover 2 is coupled to the housing 1.

The cover 2 is opened if necessary to inspect the inside of the apparatus. A stay (described above with reference to FIG. 7) 10 for holding the open position is provided on the side of the housing 1 and the cover 2. It is attached to the inner surface.

A connector connected to a circuit inside the housing 1 is mounted on the bottom surface, and a connector connected to a circuit on the cover side is also mounted on the cover 2. These connectors are connected by connectors (both not shown) at both ends of a flat cable (the same as the flat cable 4 described in FIG. 6).

The shelf 20 has a flat box shape with an open front surface, and a plurality of pairs of guide grooves facing the inside on both sides are provided in a plurality of stages, and a back board 21 on the rear side has a position corresponding to the guide grooves. The backboard connector is mounted and arranged.

The shelf 20 is connected to a circuit in the housing 1 by the flat cable 6 connected to the backboard connector.

By inserting the printed board 5 in the horizontal direction from the front side of the shelf 20 along the respective guide grooves, plug-in connection to the backboard connector can be made. In this case, two sheets can be mounted and accommodated in a plurality of stages with the direction parallel to the bottom surface of the housing 1.

A pin 35 projects in a horizontal direction from a front side surface of the shelf 20, and a fitting 33 is attached to an inner surface of the cover 2. A support pin 34 is also protruded from the metal fitting 33 in the horizontal direction.

The arm plate 30 for connecting the shelf 20 and the cover 2 has an arcuate shape in a side view so as to protrude toward the front side or the bottom side of the apparatus. A hole is formed. Slot 31
Into the pin 35 on the side surface of the shelf 20 and the hole at the upper end into the support pin 34 of the cover 2. Needless to say, both the pin 34 and the support pin 35 are provided with a retaining means (not shown) such as an E-shaped retaining ring or a split pin to take measures to prevent the arm plate 30 from coming out naturally.

With the above configuration, when the cover 2 is closed with respect to the housing 1, the shelf 20 is in a position where it contacts the bottom surface of the housing 1, and the pins 34 on the shelf 20 side are connected to the arm plate 30.
Is located in the middle of the upper end side of the long hole 31.

When the cover 2 is opened, the arm plate 30 is pulled by the cover 2 so that the upper end of the arm plate 30 rises and stands, and the shelf plate 30 is inserted into the lower end of the long hole 31.
The pin 35 on the 0 side comes into contact, whereby the shelf 20 assumes an inclined posture in which the front side is lifted with the hinge 25 on the rear side as a fulcrum. This state is shown in FIG.

At the same time, the stay 10 is positioned at the predetermined extended position, and the cover 2 is held in the open state without being closed. Therefore, as shown in FIG. The printed board 5 can be easily pulled out diagonally upward, or inserted again and accommodated diagonally downward after predetermined work.

At the end of work such as maintenance and inspection,
By closing the cover 2, the stay 10 is reduced,
When the shelf 20 contacts the bottom surface of the housing 1, the arm plate 30
The long hole 31 is a pin 3 on the side of the shelf 20 at the lower end of the
4, the tip of the arm 30 moves rearward along the side surface of the shelf 20, so that the cover 2 can be closed.

Since the arm 30 is curved along with the long hole 31 and is in the shape of an arc, the distal end is moved along the side surface of the shelf 20 without contacting the bottom surface of the housing 1 during the opening / closing operation. Become so. The arms 30 can be provided on both sides depending on the size of the shelf 20, that is, the size of the printed board 5.

[0043]

As described above in detail, according to the desk-top apparatus of the present invention, a housing for accommodating a printed board inside with an upper portion as an opening surface, an upper portion of the housing and a front side up and down. A cover whose rear side is connected to and coupled to the housing so as to be openable and closable in a direction; An arm plate in which a long hole on one end is engaged with a pin protruding from the side surface of the shelf and the other end is rotatably engaged with an inner surface of the cover; In the process of opening the cover, the end of the long hole of the arm plate engages with the pin of the shelf to tilt the front of the shelf upward, and the cover is held by the stay at the predetermined open position. To With the cover open, the printed board can be easily pulled out or inserted into the front side of the shelf. The work is easy because the space is separated.

As described above, the shelf is moved and set to the inclined position and the accommodation position in conjunction with the opening and closing operation of the cover. In addition, since the printed circuit boards are accommodated in the shelf in a plurality of stages, a very remarkable effect in practical use such as minimizing the installation area of the apparatus can be achieved.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view (No. 1) of the present invention.

FIG. 2 is a partially cutaway perspective view of the present invention (part 2).

FIG. 3 is a side view (part 1) of the present invention.

FIG. 4 is a side view (part 2) of the present invention.

FIG. 5 is a perspective view of a tabletop device.

FIG. 6 is a perspective view of a conventional example.

FIG. 7 is a perspective view of a stay.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 1A Front plate 1a Receiving plate 2 Cover 2A Hinge 3 Cable 4 Flat cable 5 Printed board 6 Flat cable 7 Spacing member 8 Machine screw 9 Set screw 10 Stay 11 Square tube 12 Slide bar 13 Lower seat plate 14 Upper seat plate 15, 16 pin 17 window 20 shelf 21 backboard 22 bottom surface 23 side plate 25 hinge 30 arm plate 31 long hole 33 metal fitting 34 support pin 35 pin

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroshi Okita 1-4-4 Hakata Ekimae, Hakata-ku, Fukuoka City, Fukuoka Prefecture Inside Fujitsu Kyushu Communication System Co., Ltd. (72) Inventor Shinichi Norikawa Hakata-ku, Fukuoka City, Fukuoka Prefecture Station No. 1-4, 4 Fujitsu Kyushu Communication System Co., Ltd. (56) References JP2-118992 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) H05K 7/14 H05K 5/03

Claims (1)

(57) [Claims] 1. A printed circuit board having an upper portion as an opening surface.
The housing to be housed, and the front side while covering the upper part of the housing
The back side is connected to the housing so that it can be opened and closed vertically.
Make the cover and the printed board parallel to the bottom of the housing.
And the rear side is hinged on the bottom of the housing.
And a shelf protruding from the side of the shelf.
Slot on one end and the other end
An arm plate rotatably engaged with an inner surface of the cover;
Position the cover at the predetermined open position with respect to the housing.
And a long hole in the arm plate in the process of opening the cover from the housing.
Edge of shelf engages shelf pin and raises front of shelf
Tilt to hold the cover with the stay
A desktop device characterized by being carried.