JP2776169B2 - Electronic device structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an electronic device including a shelf mounted in a housing, a printed board inserted into and removed from the shelf from the rear side of the housing, and an application program for the device.

2. Description of the Related Art For example, an image data transmitter or an image data receiver used for a video conference system generally has an application program for the electronic device mounted on a printed board.

[0003]

2. Description of the Related Art FIG. 4 is a perspective view of a conventional electronic device.
In FIG. 4, reference numeral 20 denotes a printed board connector 21 on the front side edge.
And a printed circuit board 20 having an external line connector 22 mounted on the rear side edge.

[0004] Reference numeral 10 denotes a shelf having a guide in which a backboard connector 15 in which a printed board connector 21 is plugged in to the backboard 12 is arranged in parallel, and a side edge of the printed board 20 is inserted into a pair of opposed side plates 11. The printed board 20 is inserted and removed from the rear side.

[0005] Reference numeral 1 denotes a box-shaped housing for housing the shelf 10. The rear plate 2 of the housing 1 is provided with a slot 7 for a printed board 20 facing the opening of the shelf 10, and a front cover 5 is attached to the front of the front plate of the housing 1 so as to be openable and closable. .

The housing 1 houses a power supply unit and the like (not shown) beside the shelf 10. Conventionally, an application program for an electronic device as described above is
The memory is stored in the OM 25, and the program ROM 25 is mounted on the printed board 20.

[0007] In order to facilitate the work of replacing the application program, the printed circuit board 20 is required.
And a program ROM 25 is plugged into the IC socket 24.

[0008]

However, in the case where the IC socket is mounted on the printed board and the program ROM is plugged into the IC socket as in the prior art, the program ROM is removed from the IC socket using a special tool. Therefore, not only is the work of inserting and removing the program ROM troublesome, but also the lead of the program ROM may be broken when removing the program ROM.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide an electronic device structure in which an application program can be easily replaced and its memory components are not damaged. .

[0010]

In order to achieve the above object, the present invention relates to a shelf 10 mounted in a housing 1 and a shelf 10 mounted on the shelf 10 from the rear side of the housing 1 as illustrated in FIG. And a printed board 20 that inserts and plugs the printed board connector 21 into the opposing backboard connector 15, and is mounted on the front edge of the printed board 20 in parallel with the printed board connector 21 in a desktop electronic device having the printed board connector 21. The card connector 31 and the front side of the printed board 20 can be inserted and removed freely,
An IC memory card 30 storing an application program to be plugged into the card connector 31 and a hole 40 provided on the back board 12 so that the front part of the IC memory card 30 plugged into the card connector 31 passes through.
A configuration is provided.

As shown in FIG. 2, the card connector 31 is mounted on a surface of the printed board 20 different from the mounting surface of the printed board 20 on which the printed board connector 21 is mounted.

Further, as illustrated in FIG. 3, a hole 50 provided in the front plate 3 of the housing 1 and through which the front of the IC memory card 30 passes, and a front side of the front plate 3 corresponding to the hole 50. , Which is mounted on the IC memory card 30 and supports the lower surface of the front part of the IC memory card 30
52, and a holding member 53 that presses the upper surface of the front part of the IC memory card 30 by screwing to the receiving member 52.

[0013]

According to the present invention, an application program is stored in an IC
The memory is stored in a memory card, and the IC memory card is plugged into a card connector mounted on a printed board.

That is, by inserting and removing the IC memory card, the application program is replaced, the replacement work is easy, and the IC memory card is not damaged.

On the other hand, by mounting the card connector on the surface opposite to the mounting surface of the printed board on which the printed board connector is mounted, miniaturization of the printed board is promoted. In addition, by providing a hole in the front plate of the housing through which the front of the IC memory card penetrates, and by providing a metal fitting for holding and releasing the front of the IC memory card on the front side of the front plate,
Without removing the printed board from the shelf,
An IC memory card can be inserted and removed from the front side of the housing.

Further, by holding the front portion of the IC memory card with the metal fitting and the holding metal, the IC memory card does not come out of the card connector even when the electronic device vibrates.

Therefore, the reliability of contact between the IC memory card and the card connector is high.

[0018]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. The same reference numerals indicate the same objects throughout the drawings.

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a view of another embodiment of the present invention, (A) is a perspective view, (B) is a side view, and FIG. FIG. 11 is a front perspective view of still another embodiment of the present invention.

In FIG. 1, reference numeral 30 denotes an IC memory card storing an application program of a device.
The printed board 20 has a printed board connector 21 mounted on a front edge and an external line connector 22 mounted on a rear edge.

At the front edge of the printed board 20, a card connector 31 is mounted in parallel with the printed board connector 21,
The IC memory card 30 is plugged into the card connector 31 so that it can be inserted and removed from the front edge side of the printed board 20.

A pair of side boards 11 of the shelf 10 in which a back board connector 15 in which a printed board connector 21 is plugged into the back board 12 is provided with a guide for inserting a side edge of the printed board 20 into a pair of opposed side boards 11.

In the shelf 10, the backboard 12 is positioned close to the front plate of the housing 1, and the opening for inserting and removing the printed board 20 is positioned on the rear plate 2 of the housing 1, and is fixed to the housing 1. It is supposed to.

Further, a rectangular hole 40 through which the front part of the IC memory card 30 penetrates with a sufficient margin is provided at a position of the back board 12 of the shelf 10 facing the IC memory card 30.

The rear plate 2 of the box-shaped housing 1 for accommodating the shelf 10 has a printed circuit board 20 facing the opening of the shelf 10.
The front cover 5 is attached to the front of the front plate of the housing 1 so as to be openable and closable.

According to the present invention, as described above, the application program is stored in the IC
In this configuration, the memory card 30 is plugged into a card connector 31 mounted on the printed board 20.

Therefore, before the printed board 20 is mounted on the shelf 10, the application program is replaced by manually inserting and removing the IC memory card.
That is, the work of replacing the application program is easy.

The back board 12 has an IC memory card.
Since a hole 40 is provided through the front part of the printed circuit board 30, the printed circuit board connector 21 is plugged into the back board connector 15 while the IC memory card 30 is mounted on the printed circuit board 20, and the IC memory card 30 No damage.

The printed board 20 shown in FIG.
The printed board connector 21 is mounted on the upper surface of the front edge of 20,
Printed board connector 21 on the underside of the front edge of printed board 20
The card connector 31 is mounted at a position facing the.

Although not shown, a slit-shaped hole through which the front part of the IC memory card penetrates is provided on the back board at a position facing the IC memory card.

As described above, the printed circuit board connector 21 is mounted on one surface of the printed circuit board 20 and the card connector 31 is mounted on the other surface of the printed circuit board 20 so as to face the printed circuit board connector 21. The width of the printed board can be reduced as compared with the case.

The electronic apparatus shown in FIG. 3 differs from the electronic apparatus shown in FIG. 1 only in the configuration of the front side of the housing 1. Therefore, only points different from those in FIG. 1 will be described. As shown in FIG. 3, the front plate 3 of the housing 1 has a slit-like shape through which the front part of the IC memory card 30 penetrates, facing the hole (hole 40 shown in FIG. 1) provided on the backboard. A hole 50 is provided.

Numeral 52 is a metal fitting comprising a horizontal plate 52A and fixed seats which are bent at right angles on both sides of the horizontal plate 52A. The mounting bracket 52 has the fixing seat closely contacted with the front surface of the front plate 3 so that the upper surface of the horizontal plate 52A substantially coincides with the lower edge of the hole 50, and the fixing seat is closely attached to the front plate 3 using screws. By doing so, it is mounted on the housing 1.

The horizontal plate 52 of the metal fitting 52 is so positioned that the lower surface of the front part of the IC memory card 30 that has passed through the hole 50 is almost in contact.
Inserted into the top of A. That is, the metal fitting 52 supports the lower surface of the IC memory card 30.

In the vicinity of both left and right ends of the horizontal plate 52A,
A screw hole into which the small screw 54 is screwed is provided. Note that a groove having a width slightly larger than the width of the IC memory card 30 and a depth smaller than the thickness of the IC memory card 30 is provided in the center of the horizontal plate 52A. It is desirable to be a guide.

Reference numeral 53 designates a holding plate comprising a horizontal plate 53A and a fixing seat which is formed by bending both sides of the horizontal plate 52A downward at right angles into an L-shape, and which is seated on the left and right upper surfaces of the horizontal plate 52A of the receiving member 52. Metal fittings.

The fixing seat of the holding member 53 is provided with a hole corresponding to the screw hole of the receiving member 52, into which the screw portion of the small screw 54 is inserted. Although not shown, it is desirable to interpose a leaf spring or elastic rubber between the horizontal plate 52A of the receiving member 52 and the fixing seat of the holding member.

The printed board is mounted on the shelf 52 from the back of the housing 1 with the IC memory card plugged into the card connector with the presser fitting 53 floating and mounted on the receiving fitting 52.
When plugged into 10, the front of IC memory card 30
It penetrates through the hole of the backboard 12 and the hole 50 of the front plate 3 and protrudes above the horizontal plate 52A of the bracket 52.

Therefore, when replacing the IC memory card 30, the front cover 5 that covers and protects the front plate of the housing 1 is opened, and the front part of the IC memory card 30 is pulled with a finger, so that the IC memory card 30 is pulled. The memory card 30 can be removed from the printed board.

Further, I is set along the horizontal plate 52A of the metal fitting 52.
By inserting C memory card 30, IC memory card
30 is plugged into the card connector. With the configuration described above, there is an advantage that the IC memory card 30 can be replaced without removing the printed board from the housing 1.

On the other hand, after the IC memory card 30 is plugged into the card connector, the press fitting 53 is pressed against the receiving fitting 52 using small screws 54, whereby the front part of the IC memory card is fixed.

Therefore, even if the electronic device is vibrated, the IC memory card does not come out of the card connector, and the reliability of contact between the IC memory card and the card connector is improved.

[0043]

As described above, according to the present invention, the application program is replaced by inserting and removing the IC memory card from the card connector, and the replacement work is easy and the IC memory card is damaged. Has an excellent effect in practical use.

Further, by mounting the card connector on the surface opposite to the mounting surface of the printed board on which the printed board connector is mounted, there is an effect that the size of the printed board is promoted.

Further, a receiving member and a holding member are provided on the front plate of the housing so that the front portion of the IC memory card can be freely held and released, so that the IC memory card can be inserted and removed from the front side of the housing. This has the effect of being able to be implemented and the effect of improving the reliability of contact between the IC memory card and the card connector.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a view of another embodiment of the present invention, wherein (A) is a perspective view and (B) is a side view.

FIG. 3 is a front perspective view of still another embodiment of the present invention.

FIG. 4 is a perspective view of a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Housing 2 Rear board 3 Front board 5 Front cover 7 Slot 10 Shelf 12 Backboard 15 Backboard connector 20 Print board 21 Print board connector 22 External wire connector 24 IC socket 25 Program ROM 30 IC memory card 31 Card connector 40 , 50 hole 52 Bracket 53 Presser bracket

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-1-264298 (JP, A) JP-A-62-202597 (JP, A) JP-A-2-143623 (JP, U) (58) Field (Int.Cl. ⁶ , DB name) H05K 7/14

Claims (3)

(57) [Claims] 1. A desktop electronic device comprising: a shelf mounted in a housing; and a printed board that is inserted into the shelf from the rear side of the housing and plugs a printed board connector into an opposing backboard connector. In parallel with the printed board connector (21), the printed board (2
0) and an application program plugged into the card connector (31) so as to be freely inserted and removed from the front edge of the printed board (20). The back board (12) so that the memory IC memory card (30) and the front part of the IC memory card (30) plugged into the card connector (31) pass through.
An electronic device structure comprising: a hole (40) provided in the electronic device. 2. The mounting surface of the printed board (20) on which the card connector (31) is mounted is different from the mounting surface of the printed board (20) on which the printed board connector (21) is mounted. The electronic device structure according to claim 1, wherein: 3. A hole (50) provided in a front plate (3) of the housing (1) and through which a front portion of an IC memory card (30) penetrates, and the front plate (3) corresponding to the hole (50). 3) attached to the front side of
A bracket for supporting the lower surface of the front part of the IC memory card (30)
(52), and a press fitting (53) that presses the upper surface of the front part of the IC memory card (30) by screwing to the receiving fitting (52). The electronic device structure according to claim 1.