JP3497968B2 - Mounting structure of expansion board for electronic equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] 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. 2. Description of the Related Art In recent years, electronic devices such as personal computers are provided with a slot for attaching an extension board, and one or more extension boards are attached to this slot as necessary. Some have multiple functions. FIG. 7 shows a conventional mounting structure of an extension board in a personal computer, which is one of electronic devices. 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 in the center of the metal rear panel, and the projecting portion of the external connection connector portion 73 is fitted into this 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 side wall 79 on one end of the opening 78 has a screw. 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 provided on the side wall 81 on the device main body side, 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. The 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, since the rear panel 76 is one and is fixedly provided to the external connection connector 73, the following inconveniences arise. there were. That is, when 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 distal 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 extension board 71 or the internal connection terminal portion. 7
5 was not reliably connected to the bus connector 84 of the device main body, 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 prevent the harmful stress from being generated on the extension board and to connect the extension board to the bus connector on the 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. In order to achieve the above object, according to the present invention, an external connection connector is provided on one side, and a bus connector on the device body side is provided on a side adjacent to the side.
An extension board having an internal connection terminal portion inserted into the electronic device, wherein the extension board is attached to a slot of the device main body via a rear panel provided in an external connection connector portion. A first panel for fixing to the external connection connector portion, and slidably provided between the first panel and the external connection connector portion, and formed in the slot.
Has been inserted portion that is inserted into insertion hole is constituted by the <br/> second panel formed on one end, slide the second panel
To connect the bus connector of the internal connection terminal section.
Insertion into the insertion hole and insertion hole into the insertion hole
The error of the insertion amount in the state is adjusted, 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 it is constituted by the slidable second panel, the mounting position of the expansion board with respect to the slot can be easily adjusted. 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 extension board 8 (its configuration will be described later) is provided on the back side of the workstation 2. As shown in FIGS. 2 and 3, the expansion substrate 8 is, for example, rectangular and has one short side 1.
0 has an external connection connector section 11 and an internal connection terminal section 13 on one of the long sides 12 adjacent to the short side 10. Then, the external connection connector section 1
Reference numeral 1 denotes a block-shaped body whose connection portion 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 portion 14. Further, the internal connection terminal portion 13 is formed in a plate shape having the same thickness as the extension board main body 15. Reference numeral 17 denotes a rear panel for attaching the expansion board 8 to the slot 9, and comprises a first panel 18 and a second panel 19 which are independent from each other , as shown in FIG . That is, the first panel 18 is a panel for fixing to the external connection connector portion 11, and is formed of a plate member having a rectangular shape in a plan view.
An opening 20 having such a size as to allow the projecting connection portion 14 to pass therethrough 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.
Is provided so as to be slidable between the first connector 18 and the external connection connector portion 11. 14 is formed, an opening 23 slightly longer than the opening 20 is formed, an insertion portion 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 to which the internal connection terminal portion 13 of the expansion board 8 is inserted and connected is provided at a predetermined position on the 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 attached to the protruding connection portion 14 of the external connection connector portion 11 in this order, 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 as described above is brought closer to the side wall 28 in the slot 9 as shown in FIGS. The projecting connecting portion 14 of the connecting connector portion 11 is projected outward from the opening 29 of the side wall 28, and the internal connecting 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 that both the insertion of the internal connection terminal 13 into the bus connector 33 and the insertion of the distal end insertion portion 24 of the second panel 19 into the insertion hole 34 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 both the insertions are sufficient, and at that position set screw 21 and set screw 26
Tighten. Note that, in FIG. 6, reference symbol a represents an adjustment allowance by sliding the second panel 19. That is, in the rear panel 17 having the above-described structure, 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 extension board in the electronic device of the above, the harmful stress is not generated in the extension board 8 and the electrical connection between the extension board 8 and the bus connector 33 on the device main body side. Connection can be made surely. In the above mounting structure, the position can be adjusted after the expansion board 8 is mounted in the slot 9, and the adjustment can be performed from the outside of the slot 9. Mounting and position adjustment can be easily performed. According to the present invention , one side has an external connection.
A connector body, and a device main body on a side adjacent to the side.
Internal connection terminal section to be inserted into the side bus connector.
Extension board to be provided in the external connection connector section
Attached to the slot of the device body via the rear panel
Mounting structure for extension board in electronic equipment
, The rear panel is connected to the external connection connector.
A first panel for fixing to the part, and an external connection with the first panel.
Slidably provided between the connector portion for connection and
The insertion part to be inserted into the insertion hole formed in the slot is
And a second panel formed at the end.
By sliding the panel, the internal connection end
Insertion of the child part into the bus connector and the insertion hole of the insertion part
Adjust the error of the insertion amount in a state of insertion into, and
Thus, the mounting position of the expansion board with respect to the slot is
Adjustable. In other words, the second panel
By sliding, the bus connector of the internal connection terminal
Plug into the connector and the rear panel
The error of the insertion amount in the state can be adjusted and expanded.
Fluctuations in the size of the extension board,
It can absorb fluctuations in the size of the connection terminal
You. Therefore, according to the mounting structure of the extension board in the electronic device of the present invention, the extension board can be accurately attached to the slot without causing harmful stress to the extension board. Electrical connection with the bus connector on the device body side can be reliably performed. [0023] Then, in the mounting structure, expansion
Position adjustment after mounting the board for
Can be done from outside the slot
Thus, 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 a slot. FIG. 5 is a diagram for explaining a procedure for attaching an expansion 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. [Description of Signs] 1 ... Electronic device, 2 ... Device main body, 8 ... Expansion board, 9 ... Slot, 10, 12 ... Side, 11 ... External connection connector, 13 ... Internal connection terminal, 17 ... Rear panel , 18
... 1st panel, 19 ... 2nd panel , 24 ... insertion part, 33
... bus connector, 34 ... insertion hole .

Continuation of the front page (56) References JP-A-8-32259 (JP, A) JP-A-8-306429 (JP, A) JP-A-3-36189 (JP, U) JP-A 62-177090 (JP) , U) Fully open 1979-55710 (JP, U) Fully open 1987-618093 (JP, U) Fully open 1987-106273 (JP, U) Fully open 1986-611781 (JP, U) 42-14566 (JP, Y1) (58) Fields investigated (Int. Cl. ⁷ , DB name) H05K 7/14

Claims (1)

(57) [Claim 1] An external connection connector portion is provided on one side, and a bus connector on the device body side is provided on a side adjacent to the side.
An expansion board having an internal connection terminal section to be inserted ,
Via the rear panel provided on the connector for external connection
In the mounting structure of an expansion board in an electronic device, which is mounted in a slot of the device main body , a first panel for fixing the rear panel to the external connection connector portion.
A panel is slidably provided between the first panel and the external connection connector, and is formed in the slot.
The insertion part to be inserted into the insertion hole is formed at one end .
And the second panel is slid.
The bus connector of the terminal portion for internal connection
Into the insertion hole and into the insertion hole of the insertion part
A mounting structure for an expansion board in an electronic device , wherein an error of an insertion amount in the slot is adjusted so that a mounting position of the expansion board with respect to the slot can be adjusted.