JP2555215B2 - Electronics - Google Patents

Description

The present invention relates to an electronic device such as a word processor, a personal computer, or a workstation,
In particular, the present invention relates to an electronic device having a main frame having a configuration in which an expansion substrate, an optional substrate, etc. can be added.

[Conventional technology]

2. Description of the Related Art Electronic devices having a structure in which an option board is added in addition to a main board in order to expand the function have been known.

 Its typical structure is shown in FIGS. 5 and 6.

In the drawings, 1 is an expansion board, 2 is a main board, and 3
Is an option board, 4 is a main frame, and 5 is a board guide formed on the main frame 4. An intermediate base 6 is attached above the main frame 4 by a plurality of screws 10.

Then, the main board 2 is inserted into the plurality of board guides 5 of the main frame 4 from the rear side, and is slid forward to be inserted and arranged. The expansion board 1 is attached to the main frame 4 as shown, and the connector 7 of the expansion board 1 is connected to the connector (not shown) of the main board 2. The option board 3 is also inserted into the plurality of board guides 5 of the main frame 4 from the rear side and slid forward to insert and connect the connector of the option board 3 into the connector 7 of the extension board. In addition, this expansion board 1 has screws 10
It is fixed at a predetermined position on the main frame 4.

[Problems to be Solved by the Invention]

The expansion board 1 of the conventional electronic device is attached so as to be restrained in the front-back, left-right, and up-down directions by the main frame 4, the intermediate support plate 13, the intermediate base 6, and the board guides provided on these. On the other hand, the main board 2 and the option board 3 are mounted so as to be freely slidable in the front-rear direction by being sandwiched between the side plates 4A raised to the left and right of the main frame 4 and the intermediate base 6, and restrained in the up-down and left-right directions. There is.

That is, since the extension board 1, the main board 2, and the option board 3 are attached in a restricted state in the vertical and horizontal directions, the relative positions of the extension board 1, the main board 2, and the option board are not accurately positioned. And connector connection becomes difficult. The connectors are provided with an appropriate angle of attack on the housing so that they can be easily inserted into each other. However, if a positional deviation exceeding this angle of attack occurs, it is impossible to connect the connectors together. Have

Although it is possible to connect the connector by reducing the positional displacement between the two, it is required to mold and manufacture the supporting component with high accuracy, which deteriorates the manufacturability. Further, even if the dimensional accuracy of each component is increased, an assembly error may occur when assembled, the dimensional accuracy cannot be strictly controlled, and as a result, it becomes difficult to insert and connect the connectors. ing.

Further, if the connectors are inserted and connected despite the positional displacement, the connectors may be unduly stressed, and the contacts may be damaged or the contact support may be damaged.

The present invention focuses on the above-mentioned problems, and reliably and easily inserts and connects the extension board 1 and the connectors of the main board 2 and the option board 3 even if there are individual dimensional accuracy and assembly errors of the components. The purpose of this is to make it possible to prevent unreasonable stress from being applied to each connector, to prevent damage to the contacts and contact support of the connector, and to simplify the mounting.

[Means for solving the problem]

The purpose is to provide a main plate having a bottom plate, side plates raised to the left and right of the bottom plate, and upper plates passed to the front sides of the upper ends of the both side plates, and a main board, an optional main board for the main frame. In an electronic device configured to attach a board and an expansion board having a connector to be combined with a connector of an option board, the expansion board having a size that allows insertion of the expansion board having the connector into the upper plate. An insertion opening and slits are formed at both ends of the expansion board insertion opening such that the dimension between the innermost portions thereof is slightly longer than the length of the expansion board and the longitudinal movement of the expansion board is blocked. An intermediate support plate and an end support plate are erected on the bottom plate, and the bottom plate and the end support plate are provided with substrate guides that prevent the expansion substrate from moving in the front-rear direction. The expansion board inserted from the expansion board insertion port is guided by the board guide and is supported by the bottom plate and the end support plate so as to be movable left and right or up and down, and the expansion board connector is provided on the main frame. This is achieved by mechanically and electrically coupling the connector of the option board provided so as to be movable in the front-rear direction and prevented in the up-down and left-right directions by the board guide.

[Action]

An expansion board insertion opening having a size that allows insertion of an expansion board having a connector on the upper plate or the side plate, and a dimension between the innermost portions at both ends of the expansion board insertion opening is the expansion board. Since the slit is formed to be slightly longer than the length of the expansion board and to prevent the expansion board from moving in the front-rear direction, the expansion board can move up and down. Act as you can. This effect is the same when the expansion board is inserted and attached from the lateral direction of the main frame. On the other hand, the option board is allowed to move in the front-rear direction and is prevented from moving in the up-down direction and the left-right direction. Therefore, when the option board and the extension board are combined and integrated, they act so as to prevent movement in the vertical, horizontal, and front-back directions.

〔Example〕

An embodiment of the configuration of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, reference numeral 4 denotes a main frame, which is formed by bending a steel plate with a press or the like, and has an expansion substrate 1,
The main board 2, the option board 3, etc. are supported. 40 is a bottom plate of the main frame 4, 41 is a left side plate provided at the left end of the bottom plate 40, 42 is a right side plate also provided at the right end, and 43 is a front side of the upper ends of these both side plates 41, 42. It is a plate. 13
Is an intermediate support plate in the left-right direction and is provided with a board guide 5 for guiding the main board 2 and the option board 3 in the front-rear direction similarly to the both side plates 41, 42.

This substrate guide 5 is 2 by the well-known cutting and extrusion technique.
These are formed on a steel frame main frame one by one.
The substrate is guided in the front-back direction between the two substrate guides, but the restrained state is maintained in the vertical direction.

The left-right plate 41 and the intermediate support plate 13 prevent the board from moving in the left-right direction. Reference numeral 44 denotes a stopper provided to stand on the bottom plate 40. The bottom plate 40 is provided with a board guide 5 which guides in the left-right direction to prevent movement in the front-rear direction, and the stopper 44 is guided in the up-down direction to move in the front-rear direction. The substrate guide 5 is formed to prevent this.

Reference numeral 11 denotes an expansion board insertion opening provided on the upper plate 43 and having a size that allows insertion of the expansion board 1 provided with a connector. Is slightly longer than the length of the expansion substrate 1 and has a slit 12 for preventing the expansion substrate from moving in the front-rear direction.

The slits 12 allow the expansion substrate 1 to move in the vertical and horizontal directions, while preventing the movement in the front-back direction. This movement in the up-down direction and the left-right direction is convenient for alignment when connecting the connector to the option board 3 described later.

The expansion board 1 has an expansion connector 7 and is joined to the connector 9 of the option board 3 by mutual connection.
It is configured so that mechanical and electrical connections can be made with a predetermined coupling force.

Next, the procedure for attaching the option board 3 to the expansion board 1 will be described with reference to FIG.

First, the expansion board 1 is inserted into the expansion board insertion opening 11 from above so as to slide in the slit, and the insertion of the option board 3 from the rear side is awaited. Although the option board 3 is restricted from moving vertically and horizontally due to the above-described configuration, if the connector 9 of the option board 3 matches the connector of the expansion board 1, the insertion is continued as it is, and finally the connector The connection force between the connectors is completed by giving an operation force of a magnitude that overcomes the insertion connection force.

When the connector 9 of the option board 3 does not match the connector 7 of the extension board 1, the extension board 1 is moved up and down or left and right as shown in FIG. Make a match.

At this time, since the length from the innermost part of the left slit to the innermost part of the right slit is set to be longer than that of the extension board 1, the extension board 1 and the option board 3 are connected between the extension board 1 and the option board 3. The position can be easily adjusted.

When the positions of both are aligned, the option board 3 is pressed against the extension board 1 with a force larger than the connector insertion connection force in the same manner as described above, and the connection between the two is completed.

The extension substrate 1 and the option substrate 3 are integrated by the coupling force of the connector, and thus the two are completely attached to the main frame 4.

That is, the slit 12 receives the expansion substrate 1 to prevent the unitized movement of the two in the front-rear direction, and the option substrate 3 blocks the upward movement of the expansion substrate 1. .

Since the combination unit is prevented from moving in both directions in this way, screws for mounting the unit are not required, so that the number of parts can be reduced and the mounting work can be simplified.

 FIG. 4 shows another embodiment.

The difference from this structure in this embodiment is that the expansion board 1 is inserted from the lateral direction of the main frame 4.

In the figure, the right side plate 42 of the main frame 4 is formed with the same expansion board insertion opening 11A as described above, and the dimension between the innermost portions of both slits 12 of this expansion board insertion opening 11A is the expansion board 1a. The size is slightly larger than the vertical size of.

As is clear from this configuration, the expansion substrate 1 can freely move up and down and left and right within a predetermined range, and the forward and backward movement is prevented. Further, the movement of the option board 3 is the same as that of the above-mentioned configuration, and the unitized function and operation are also the same as those described above, and therefore the details thereof will be omitted.

〔The invention's effect〕

As described above, the present invention provides, as described above, an expansion board insertion opening having a size that allows insertion of an expansion board having a connector on the upper plate or the side plate, and the innermost space between both ends of the expansion board insertion opening. The dimension of is slightly longer than the length of the expansion board, and a slit is formed to prevent the expansion board from moving in the front-rear direction, and an intermediate support plate and an end support plate are provided on the bottom plate in a standing manner. These bottom plates and end support plates are respectively provided with board guides that prevent the expansion board from moving in the front-rear direction, and the expansion board inserted from the expansion board insertion port is guided by the board guides and the bottom board and the end plates are provided. It is supported by the part support plate so that it can move left and right or up and down, and the connector of this expansion board can be moved in the front and back direction by the board guide provided on the main frame, but it is prevented from moving in the up and down and left and right Since the connector of the option board provided as shown in the figure is configured to be mechanically and electrically coupled, the connector for the extension board and the option board can be reliably connected even if there are individual dimensional accuracy and assembly errors of the components. Since it is possible to insert and connect each other easily, it is possible to prevent unreasonable stress on each connector, preventing damage to the connector contacts and contact support parts, and mounting without using tools such as mounting screws and drivers. It was possible to achieve simplification.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the configuration of the present invention, FIG. 2 is a development view showing the mounting direction of an optional board or expansion board, and FIG. 3 is an enlarged perspective view of an expansion board mounting portion. FIG. 4 is a perspective view of another embodiment, and FIGS. 5 and 6 are perspective views showing a conventional structure. 1 ... Expansion board, 2 ... Main board, 3 ... Option board, 4 ... Main frame, 40 ... Bottom plate, 41 ... Left side plate, 42 ... Right side plate, 43 Top plate, 44 ... Stopper 5 ……
Board guide, 7, 8, 9 ... Connector, 11 ... Expansion board insertion slot, 12 ... Slit, 13 ... Intermediate support plate.

Claims (2)

(57) [Claims] 1. A main frame having a bottom plate, side plates raised to the left and right of the bottom plate, and upper plates provided on the front sides of the upper ends of the both side plates, and a main board for the main frame, In an electronic device configured to mount an optional board and an expansion board having a connector to be combined with the connector of the option board, the expansion board having a size allowing the insertion of the expansion board having the connector on the upper plate. A board insertion opening and slits are formed at both ends of the expansion board insertion opening such that the dimension between the innermost portions thereof is slightly longer than the length of the expansion board and the expansion board is prevented from moving in the front-rear direction. Then, an intermediate support plate and an end support plate are erected on the bottom plate, and the bottom plate and the end support plate are provided with board guides for preventing the expansion board from moving in the front-rear direction. The expansion board inserted from the expansion board insertion port is guided by the board guide and is supported by the bottom plate and the end support plate so as to be movable left and right or up and down, and the expansion board connector is provided on the main frame. An electronic device configured to mechanically and electrically couple a connector of an option board provided so as to be movable in the front-rear direction and blocked in the up-down and left-right directions by the provided board guide. 2. A main frame having a bottom plate, side plates raised to the left and right of the bottom plate, and upper plates provided on the front sides of the upper ends of the both side plates, and a main board for the main frame, In an electronic device configured to mount an option board and an expansion board having a connector to be combined with a connector of the option board, an expansion of a size that allows insertion of the expansion board having the connector on the side plate of the main frame. Board insertion opening and slits at both ends of the expansion board insertion opening, the dimension between the innermost portions of which is slightly longer than the length of the expansion board, and which prevent the expansion board from moving in the front-rear direction. The bottom plate and the end support plates are provided with the end support plates standing thereon, and the bottom plate and the end support plates are provided with board guides for preventing the expansion board from moving in the front-rear direction. It is possible to guide the expansion substrate inserted from the tension substrate insertion port with the substrate guide and move it left and right or up and down with the bottom plate and the end support plate,
An electronic device supported so as to prevent its movement in the front-back direction.