JPH10294577A - Fitting structure for extension board in electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely make an electric connection between the extension board and the bus connector of an equipment main body side without generating any harmful stress on the extension board. SOLUTION: This structure has a connector part 11 for external connection on one side 10 and the extension board 8 which has a terminal apart 13 for internal connection on a side 12 adjacent to the side 10 is fitted to a slot of the electronic equipment through a rear panel 17 provided to the connector part 11 for external connection. In this case, a rear panel 17 consists of a 1st panel 18 for fixation to the connector part 11 for external connection and a 2nd panel 19 provided slidably between the 1st panel 18 and connector part 11 for external connection to enable the fitting position of the extension board 8 in the slot to be adjusted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a structure for mounting an extension board for providing an optional function in an electronic device such as a personal computer or a NES.

[0002]

2. Description of the Related Art In recent years, electronic devices such as personal computers are provided with a slot for mounting an expansion board, and one or more expansion boards are mounted in this slot as necessary, thereby realizing multi-functions. Some are made to have.

FIG. 7 shows a conventional mounting structure of an extension board in a personal computer which is one of electronic equipment. In this figure, reference numeral 71 denotes an extension board, one side 72 of which is shown.
Has a block-shaped external connection connector portion 73, and has a flat internal connection terminal portion 75 on a side 74 adjacent to the side 72. Reference numeral 76 denotes a metal rear panel provided on the external connection connector portion 73. A concave portion (not shown) is formed at the center of the metal rear panel, and the protruding portion of the external connection connector portion 73 is fitted into the concave portion. Screwed (not shown).

[0004] Reference numeral 77 denotes a slot for mounting the expansion board 71, which has an opening 78 for projecting the external connection connector 73, and a thread 79 formed on a side wall 79 on one end of the opening 78. A hole 80 is formed, and a rear panel 7 is provided on a side wall 81 on the other end side of the opening 78.
6 is formed with an insertion hole 83 into which the tip portion 82 is inserted. Reference numeral 84 denotes a bus connector on the device main body side provided on the side wall 81, and is configured so that the internal connection terminal portion 75 can be inserted and connected.

In order to attach the expansion board 71 to the slot 77, the external connection connector 7 is attached to the expansion board 71.
3, the rear panel 76 is screwed to make the external connection connector portion 73 project outward from the opening 78, the front end portion 82 of the rear panel 76 is inserted into the insertion hole 83, and the internal connection terminal portion 75 is connected to the bus connector 84. Plug in. Then, a cutout 86 formed at the upper end of the bent portion 85 on the front side of the rear panel 76 is
It is screwed by.

However, in the above-described conventional mounting structure for an expansion board, the rear panel 76 is a single piece and is fixedly provided to the external connection connector portion 73. there were. That is, if the size of the extension board 71 is slightly different or the size of the internal connection terminal portion 75 formed on the extension board 71 is slightly different, the insertion of the front end portion 82 of the rear panel 76 is prevented. Either the insertion into the hole 83 or the insertion of the internal connection terminal portion 75 into the bus connector 84 is not sufficient, which causes stress on the expansion board 71 or the internal connection terminal portion. 7
5 was not reliably connected to the bus connector 84 on the device body side, so-called poor contact occurred.

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-mentioned matters, and an object of the present invention is to provide an expansion board without causing harmful stress and for connecting an expansion board with a bus connector on a device body side. An object of the present invention is to provide a mounting structure for an expansion board in an electronic device in which electrical connection is reliably performed.

[0008]

In order to achieve the above object, according to the present invention, there is provided an expansion board having an external connection connector on one side and an internal connection terminal on a side adjacent to the side. Is attached to a slot via a rear panel provided in the external connection connector portion, in the mounting structure of the extension board in the electronic device, the first panel for fixing the rear panel to the external connection connector portion.
It comprises a panel and a second panel slidably provided between the first panel and the connector for external connection, so that the mounting position of the expansion board with respect to the slot can be adjusted.

In the structure for mounting an extension board in an electronic apparatus according to the present invention, a rear panel for mounting is mounted on a first panel fixed to an external connection connector, and on an external connection connector and the first panel. Since the second panel is slidable, the mounting position of the expansion board with respect to the slot can be easily adjusted.

[0010]

Embodiments of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes a personal computer as an electronic device to which the present invention is applied, which includes a workstation (device main body) 2, a monitor 3, a mouse 4, and a keyboard 5.

On the front side of the workstation 2,
An operation unit 6 provided with a floppy disk insertion port and the like is provided. The operation unit 6 is opened and closed by a slide door 7. As shown in FIG. 2, a slot 9 for mounting an expansion board 8 is provided on the rear side of the workstation 2 (its configuration will be described later).

[0012] As shown in FIG.
For example, it is a rectangle, and has an external connection connector portion 11 on one short side 10 thereof and an internal connection terminal portion 13 on one of the long sides 12 adjacent to the short side 10. The connector 11 for external connection is formed of a block-like body in which the connection 14 protrudes from the end of the main body 15 of the expansion board 8, and screw holes 16 are formed on both sides of the connection 14. . In addition, the internal connection terminal section 13
Are formed in a plate shape having the same thickness as that of the extension substrate body 15.

Reference numeral 17 denotes a rear panel for mounting the expansion board 8 in the slot 9.
8 and a second panel 19. That is,
The first panel 18 is a panel for fixing to the external connection connector portion 11, and is formed of a rectangular plate member in a plan view, and has a central portion through which the projecting connection portion 14 of the external connection connector portion 11 is inserted. An opening 20 having a size of is formed, and cutouts 22 for set screws 21 are formed on both left and right sides of the opening 20.

The second panel 19 is a first panel 18.
And a plate member having a total length longer than the first panel 18, and a protruding connection portion of the external connection connector portion 11 in the center thereof. 14 is formed, an opening 23 slightly longer than the opening 20 is formed, an insertion part 24 is inserted at one end into an insertion hole 34 (described later) formed in the slot 9, and the other end is formed at the other end. A bent portion 25 bent substantially at a right angle is formed. At the upper end of the bent portion 25, a cut portion 27 through which a set screw 26 (see FIGS. 4 and 5) is inserted is formed.

The structure of the slot 9 will be described with reference to FIGS.
An opening 29 for projecting the external connection connector portion 11 to the outside is formed at a predetermined position, and a screw hole 31 is formed at a predetermined position in a side wall 30 at one end of the opening 29. Further, a bus connector 33 on the device main body side into which the internal connection terminal portion 13 of the expansion board 8 is inserted and connected is provided at a predetermined position on a side wall 32 on the other end side of the opening 29, An insertion hole 34 into which the insertion portion 24 of the panel 19 is inserted is formed at a predetermined position.

Next, an example of a procedure for attaching the expansion board 8 to the slot 9 will be described with reference to FIGS. As shown in FIG. 3, the second panel 19 and the first panel 18 are mounted in this order on the protruding connection part 14 of the external connection connector part 11, and the rear panel 17 is extended by tightening the set screw 21. It is temporarily attached to the substrate 8.

The extension board 8 to which the rear panel 17 is temporarily attached in the above-described manner is brought close to the side wall 28 in the slot 9 as shown in FIGS. The projecting connection portion 14 of the connection connector portion 11 is projected outward from the opening 29 of the side wall 28, and the internal connection terminal portion 13 is inserted into the bus connector 33 provided on the side wall 32, while the second panel 19 is inserted. Is inserted into the insertion hole 34 formed in the side wall 32.

FIG. 6 shows the case where both the insertion of the internal connection terminal portion 13 into the bus connector 33 and the insertion into the insertion hole 34 of the distal end insertion portion 24 of the second panel 19 are sufficient. As described above, while the set screw 21 is tightened, the rear panel 17 is fixed to the side wall 30 of the slot 9 by the set screw 26.

When one of the insertion of the internal connection terminal portion 13 into the bus connector 33 and the insertion into the insertion hole 34 of the distal end insertion portion 24 of the second panel 19 is not sufficient, the set screw 21 is removed. Loosen and slide the second panel 19 to find a position where the insertion of the two methods is sufficient, and at that position set screw 21 and set screw 26
Tighten. Note that, in FIG. 6, a symbol a represents an adjustment allowance of the second panel 19 by the slide.

That is, in the rear panel 17 having the above-described configuration, the second panel 19 is appropriately slid so that the internal connection terminal portion 13 is inserted into the bus connector 33 and the rear panel 17 is inserted into the insertion hole 34. The error of the insertion amount can be adjusted, and the variation in the size of the extension board 8 and the variation in the size of the internal connection terminal portion 13 formed on the extension board 8 can be absorbed. In the mounting structure of the expansion board in the electronic device of the above, the harmful stress is not generated in the expansion board 8 and the electrical connection with the bus connector 33 on the main body of the expansion board 8 is ensured. be able to.

In the above mounting structure, the position can be adjusted after the expansion board 8 is mounted on the slot 9, and the position can be adjusted from the outside of the slot 9. Mounting and position adjustment can be easily performed.

[0022]

According to the structure for mounting an extension board in an electronic device of the present invention, the extension board can be accurately attached to the slot without causing harmful stress to the extension board. The electrical connection between the device and the bus connector on the device body side can be reliably performed.

In the above-mentioned mounting structure, the mounting and the position adjustment of the extension board can be easily performed, and a very practical effect can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of an electronic device to which the present invention is applied.

FIG. 2 is a perspective view partially showing a slot provided in the electronic device.

FIG. 3 is an exploded perspective view showing an example of an expansion board and a rear panel.

FIG. 4 is a perspective view showing a main part of the slot.

FIG. 5 is a diagram for explaining a procedure for attaching an extension board.

FIG. 6 is a sectional view showing a state where the rear panel is inserted into the insertion hole.

FIG. 7 is a view for explaining a conventional mounting structure.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Electronic device, 8 ... Expansion board, 9 ... Slot, 10,
12 ... side, 11 ... connector part for external connection, 13 ... terminal part for internal connection, 17 ... rear panel, 18 ... first panel, 1
9: Second panel.

Claims (1)

[Claims] 1. An expansion board having an external connection connector on one side and an internal connection terminal on a side adjacent to the side is slotted through a rear panel provided in the external connection connector. In the mounting structure of an expansion board in an electronic device, the rear panel is fixed to a first panel for fixing to the external connection connector portion, and the first panel and the external connection connector portion are fixed between the first panel and the external connection connector portion. A mounting structure for an expansion board in an electronic device, comprising: a second panel slidably provided so that a mounting position of the expansion board with respect to the slot can be adjusted.