JP3394818B2 - Portable electronic devices - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable electronic device such as a book type computer or a word processor.

[0002]

2. Description of the Related Art Book-type portable computers are
It has the advantage that it is easy to carry and can be used freely even when out of the office where commercial power cannot be obtained by using the built-in battery pack as a power source.

This type of computer has a housing for supporting a keyboard and a flat panel type display unit. This case has a flat box shape,
A circuit board on which various circuit components are mounted and various functional components such as a floppy disk drive device and a hard disk drive device are collectively accommodated in the housing.

[0004]

[0005]

[0006]

[0007]

[0008]

[0009]

[0010]

[0011]

[0012]

[0013]

By the way, a key for a portable computer is
The keyboard has a flat keyboard panel and a large number of keys supported on the upper surface of the keyboard panel. This keyboard is located on the top of the housing,
On the upper surface of this housing, a keyboard mounting portion into which a keyboard panel is fitted is formed. Keyboard mounting portion has a quadrilateral frame-like seat which receives the peripheral edge portion of the keyboard panel, a plurality of places of the peripheral edge of the keyboard panel is fastened through the respective screw in the seat.

[0015]

[Problems to be Solved by the Invention] Conventional portable computer
According to Pewter, the keyboard is through multiple screws
It is fixed to the case, so this keyboard is fixed to the case.
Tighten the screws when setting or vice versa.
You will be forced to do troublesome work such as loosening
Therefore, it takes time to attach and detach the keyboard. Moreover, the keyboard
It is necessary to arrange multiple seats for receiving screws
Therefore, the configuration of the keyboard mounting portion becomes complicated. That
Therefore, multiple screws are required, and the cost and
There is a problem that it causes an increase in the amount.

[0016]

[0017]

[0018]

[0019]

[0020]

[0021]

[0022]

[0023]

[0024]

[0025]

[0026]

[0027]

The present invention has been made under such circumstances, and the keyboard can be attached to the keyboard mounting portion without using special screws, and the keyboard can be easily attached / detached. The purpose is to provide electronic devices.

[0029]

In order to achieve the above object, a portable electronic device according to one aspect of the present invention includes a lower case and an upper case connected to the lower case and having a keyboard mounting portion. A keyboard including a keyboard panel removably mounted on the keyboard mounting portion and having an engaging protrusion on an edge portion, and the keyboard removably coupled to the lower case, and the engaging protrusion between the keyboard mounting portion. and a holding member having a pinching portion for sandwiching the
The holding member holds the keyboard in place of the keyboard.
The feature is that it is fixed to the mounting part .

[0030]

[0031]

[0032]

[0033]

[0034]

[0035]

[0036]

[0037]

[0038]

[0039]

[0040]

[0041]

[0042]

[0043]

[0044]

[0045]

[0046]

[0047]

[0048]

[0049]

[0050]

[0051]

[0052]

[0053]

[0054]

[0055]

With this configuration, the keyboard is
No screws are required to secure the attachment part, reducing the number of parts.
It At the same time, the troublesome work of tightening and loosening screws when attaching and detaching the keyboard is released, and workability is improved accordingly.

[0056]

[0057]

[0058]

[0059]

[0060]

[0061]

[0062]

[0063]

[0064]

[0065]

[0066]

[0067]

[0068]

[0069]

[0070]

[0071]

[0072]

[0073]

[0074]

[0075]

[0076]

[0077]

[0078]

[0079]

[0080]

[0081]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings applied to a portable computer.

FIG. 1 shows a book-shaped portable computer 1 of A4 size. This computer 1
Includes a casing 2 having a rectangular box shape. This case 2
Is a lower housing 3 as a lower case and an upper case
The upper housing 4 and the upper housing
The ring 4 is detachably connected to the lower housing 3.
There is. The lower housing 3 and the upper housing 4 are made of a synthetic resin material such as ABS resin.

The lower housing 3 has a flat bottom wall 3a,
It has a box shape having three peripheral walls 3b, 3c, 3d connected to both left and right sides and a front end of the bottom wall 3a.
The left and right peripheral walls 3b and 3c and the front peripheral wall 3d are
It is almost orthogonal.

The upper housing 4 has a flat upper wall 4a.
The upper wall 4a has four peripheral walls 4b, 4c, 4d and 4e which are connected to the front and rear ends and the left and right side parts. The front and rear peripheral walls 4b and 4c and the left and right peripheral walls 4d and 4e are substantially orthogonal to each other. The peripheral walls 4b, 4d, 4e at the front and left and right sides of the upper housing 4 are flush with the peripheral walls 3b, 3c, 3d of the lower housing 3. And
These peripheral walls 3b, 3c, 3d and 4b, 4d, 4e form the front surface and left and right side surfaces of the housing 2.

The upper housing 4 is divided into a front portion 6 and a rear portion 7. A keyboard mounting portion 8 and a convex portion 9 are formed on the upper surface of the rear portion 7.
As shown in FIG. 6, the keyboard mounting portion 8 has a rear portion 7
Is formed of a recess having a size substantially covering the entire upper surface of the above, and has a rectangular outlet 10 opened on this upper surface. The keyboard mounting portion 8 is provided on the front, rear, left and right side walls 8
It has a to 8d and a bottom wall 8e connected to these side walls 8a to 8d. The bottom wall 8e is opposed to the outlet 10, and an opening 11 is formed in the center of the bottom wall 8e so as to be continuous with the inside of the housing 2.

The convex portion 9 extends over the entire width of the upper housing 4. The convex portion 9 has a front surface 12 extending upward from the upper surface of the rear portion 7, an upper surface 13 extending rearward from an upper end of the front surface 12, and a rear surface 14 extending downward from a rear end of the upper surface 13. It has a hollow shape that opens downwardly of the upper housing 4. The rear surface 14 of the protrusion 9 is provided on the rear side peripheral wall 4 of the upper housing 4.
It is connected to c.

The convex portion 9 has first and second leg mounting portions 17a and 17b. The first and second leg mounting portions 17a and 17b are arranged apart from each other in the width direction of the convex portion 9 and are continuously opened in front of, above, and behind the convex portion 9, respectively. These leg attachment parts 17a, 1
7b has a bottom surface 18 connected to the upper surface of the rear portion 7, and left and right side surfaces 19 (only one is shown) connected to the bottom surface 18. The bottom surface 18 has a bottom opening 18 a, and the bottom opening 18 a is continuous with the inside of the housing 2. The side surface 19 has a side opening 19a. Side opening 19a
Are connected to the bottom opening 18a and to the inside of the convex portion 9.

As shown in FIG. 1 and FIG. 4, the lower housing 3 is integrally provided with a battery accommodating portion 21 at the left end of the front half thereof. The battery accommodating portion 21 includes left and right side walls 22a and 22b connected to the bottom wall 3a and the side walls 22a and 2b.
2b, which connects the rear end portions of 2b, and these rear end walls 23
And a ceiling wall 24 connected to the upper ends of the side walls 22a and 22b, and forms a recess that is continuously open from the bottom surface to the front surface of the lower housing 3. These walls 22 a, 22 b, 23 and 24 partition the battery housing portion 21 and the inside of the housing 2. A power connector 25 having a plurality of contacts 25a on the rear end wall 23
Are arranged. The power connector 25 is exposed in the battery housing portion 21.

A battery pack 26 is detachably accommodated in the battery accommodating portion 21. The battery pack 26 serves as a power source for driving the computer 1 when the computer 1 is used in a place where commercial power cannot be obtained, and is adapted to be taken in and out of the battery housing portion 21 from the front side of the lower housing 3. . When the battery pack 26 is housed in the battery housing portion 21, positive and negative terminals (not shown) of the battery pack 26 are connected to the power connector
5 is in contact with the contact 25a.

As shown in FIG. 4, a hard disk drive 27 and a floppy disk drive 28 are housed in the front half of the lower housing 3. The hard disk drive device 27 and the floppy disk drive device 28 are arranged side by side on the right side of the battery housing section 21. Hard disk drive 2
7 is supported by a bracket 29, which is screwed to a boss portion 30 extending from the bottom wall 3 a of the lower housing 3.

The floppy disk drive 28 has a box-shaped casing 32. The casing 32 is screwed to the bottom wall 3 a of the lower housing 3 via a bracket 33. The front of the casing 32 has a disk insertion opening 34 for inserting and removing a floppy disk.
And a push button 35 that is pressed when the floppy disk is taken out. This casing 32
Is disposed inside the lower housing 3 in a posture in which the disc insertion opening 34 and the push button 35 are directed to the front of the lower housing 3. Therefore, on the front surface of the lower housing 3, the disc insertion opening 34 and the push button 3 are provided.
An opening 36 that exposes 5 is formed.

As shown in FIG. 3 and FIG. 5, the lower housing 3 has a first half through a fourth half of the first through fourth circuit boards 40a-4a.
0d is stored. These circuit boards 40a-40d
Is a battery pack 26, a hard disk drive 27
Further, behind the floppy disk drive device 28, the lower housing 3 is stacked in a posture substantially parallel to the bottom wall 3a of the lower housing 3 at intervals in the thickness direction of the lower housing 3.

The first circuit board 40a has a rectangular shape having a length extending over substantially the entire width of the lower housing 3.
The first circuit board 40a is the bottom wall 3a of the lower housing 3.
It is fixed to the upper boss portion 41 via a screw 42. A large number of circuit components 43 represented by IC chips are mounted on the upper surface and the lower surface of the first circuit board 40a, and the power supply connector 25 and the first circuit board 40a are mounted on the upper surface of the first circuit board 40a. One stacking connector 39 is arranged. In the case of this embodiment, the first circuit board 40a serves as a system board, and the hard disk drive device 2 is attached to the front end portion of the first circuit board 40a.
7 are connected via a relay connector 38. A metallic connector panel 44 as a support panel is attached to the rear end portion of the first circuit board 40a. The connector panel 44 has a length across the entire width of the first circuit board 40a and extends upward from the circuit board 40a.

As shown in FIG. 7, the connector panel 44 has an RGB connector 45 for connecting an external CRT display, a parallel port 46 for connecting a printer or an external floppy disk drive, an optical disk device or an external device. An interface connector 47 for connecting a peripheral device that requires high-speed data transfer such as a hard disk drive, a connection port 48 for connecting a peripheral device having an RS232C standard interface connector, and an expansion unit (not shown) are provided. A relay connector 49 used for connection is supported. These various ports 46, 48 and connectors 45, 47, 4
9 are arranged side by side in a row in the left-right direction of the connector panel 44, and a relay connector 49 thereof is located at a substantially central portion of the connector panel 44. Various ports 46,
48 and the connectors 45, 47, 49 are provided on the first circuit board 4
0a electrically connected to the upper surface of the circuit board 4
The connection part with 0a is covered from the rear by the connector panel 44.

The connector panel 44 is used for the first circuit board 4
It has a leg portion 44a protruding downward from 0a. The leg portion 44a is screwed to the bottom wall 3a of the lower housing 3. Therefore, the connector panel 44 is attached to the bottom wall 3
The various ports 46 and 48 and the connectors 45 and 4 supported by the connector panel 44 extend upward from a.
7, 49 are exposed rearward from the rear end of the lower housing 3.

The connector panel 44 is located below the convex portion 9 of the upper housing 4. The upper end portion of the connector panel 44 projects above the lower housing 3, and a flange portion 50a extending rearward and a wall portion 50b extending upward from the rear end of the flange portion 50a are provided on the upper end portion. Has been formed. The flange portion 50a and the wall portion 50b extend over substantially the entire width of the connector panel 44.

A first connector cover 51 is attached to the rear surface of the connector panel 44. The first connector cover 51 covers the relay connector 49 so that it can be opened and closed. The connector cover 51 has an upper cover portion 51a and a lower cover portion 51b. Upper and lower cover parts 51
The a and 51b are rotatably supported by the connector panel 44 between a closed position in which they are abutted against each other behind the relay connector 49 and an open position in which the relay connector 49 is turned up and down. And these cover parts 5
The springs 1a and 51b are constantly urged by a spring (not shown) toward the closed position to cover the relay connector 49 from the rear.

A second connector cover 52 and a third connector cover 53 are attached to the rear end of the lower housing 3. The second connector cover 52 is an RGB connector.
Intended for opening and closing the connector 45 and a parallel port 46, these RGB connectors 45 and parallel port 46
The rear side of the lower housing 3 and the RGB connector 45 and the parallel port 46 by collapsing to the rear of the lower housing 3.
Is supported by the lower housing 3 so as to be rotatable between an open position for exposing. Third connector cover 53
Is for opening and closing the interface connector 47 and connection port 48, these interfaces connectionist
Connector 47 and the connection port 48 from the rear, and the lower housing 3 falls back to the interface.
The lower housing 3 is rotatably supported by an open position exposing the connector 47 and the connection port 48 . Second and third connector covers 52, 53
In a state in which the connector cover 52, 53 is rotated to the closed position, the connector covers 52 and 53 and the first connector cover 51 are flush and continuous, and are the same as the peripheral wall 4c on the rear side of the upper housing 4.
It is designed to be placed on the surface .

As shown in FIG. 3, the first circuit board 40a
The third circuit board 40c, which is arranged above, has a first board portion 55 and a second board portion 56. The first board portion 55 extends in the front-rear direction from above the first circuit board 40a toward above the hard disk drive device 27. Various circuit components 57 are mounted on the upper surface of the first substrate 55. The second substrate portion 56 has a first
The base portion 55 extends from the front end portion in the left-right direction of the lower housing 3. The left and right ends of the second substrate portion 56 are located above the battery housing portion 21 and the floppy disk drive device 28. The left and right ends of the second board portion 56 are screwed to the ceiling wall 24 of the battery housing portion 21 and the boss portion 30 of the lower housing 3, respectively.

The second circuit board 40b is a relay board for electrically connecting the first circuit board 40a and the third circuit board 40c, and the first circuit board 40a and the third circuit board 40c are electrically connected to each other. It is arranged between the substrate 40c and the first substrate portion 55. The support structure of the second circuit board 40b will be described with reference to FIGS. 9 and 10.

The second circuit board 40b includes the first and third circuit boards.
The circuit board 40a, 40c has a rectangular plate shape that is much smaller. Various circuit components 58 are mounted on the second circuit board 40b. A flexible wiring board 59 is connected to the second circuit board 40b. The second stacking connector 60 is connected to one end of the wiring board 59. The second stacking connector 60 is arranged from the upper side of the first circuit board 40a to the first stacking connector 60a.
Of the first circuit board 40a and the second circuit board 40a.
The circuit board 40b is electrically connected. The second stacking connector 60 is used for the second circuit board 40.
It has a width dimension substantially equal to b.

On the upper surface of the second stacking connector 60, a hard reinforcing plate 61 that covers the connection portion with the wiring board 59.
Is attached. The reinforcing plate 61 is in the form of an elongated strip plate extending along the second stacking connector 60. The reinforcing plate 61 and the second circuit board 40b are integrated via a metal bracket 63. The bracket 63 includes a first portion 64 that supports the second circuit board 40b, a second portion 65 that is superposed on the upper surface of the reinforcing plate 61, and the first portion 64 and the second portion 65. It integrally has a tying third portion 66. The first portion 64 of the bracket 63 is attached to the lower surface of the second circuit board 40b and is integrated with the second circuit board 40b. These first part 64 and second part 65
As shown in FIG. 3, the first portion 6 and the first portion 6 are located with a step difference in the vertical direction by the height of the third portion 66.
4 is arranged at a lower position deviated from the second portion 65 toward the first circuit board 40a side. Therefore, the second circuit board 40b and the reinforcing plate 61 are located at substantially the same height. Then, the second circuit board 4 including the first portion 64
At the rear end of 0b, a pair of left and right screw insertion holes 67a,
67b and fitting holes 68a and 68b are opened.

As shown in FIG . 3, the second circuit board 40b
The rear end portion is located immediately before the connector panel 44. A support fitting 71 is fixed to the front surface of the connector panel 44. The support fitting 71 is fixed to the connector panel 44 by means such as welding or caulking.
There is . This support fitting 71 is best shown in FIG.
As described above, the board receiving portion 72 that supports the rear end portion of the second circuit board 40b is provided. Substrate receiving portion 72 has a second circuit board 4 0b equivalent width, the first circuit board 40
It protrudes toward the front of the connector panel 44 above a. The rear end of the first portion 64 of the bracket 63 is superposed on the upper surface of the board receiving portion 72. The board receiving portion 72 has fitting pieces 73a and 73b extending upward and screw holes 74a and 74b at both left and right ends thereof.
It has and. The fitting pieces 73a and 73b are adapted to fit into the fitting holes 68a and 68b when the first portion 64 of the bracket 63 is superposed on the upper surface of the substrate receiving portion 72. By this fitting, the board receiving portion 72 and the second
Is aligned with the circuit board 40b and the bracket 63 of the second circuit board 40b, and the screw insertion holes 67a of the second circuit board 40b ,
67b is adapted to match the screw holes 74a and 74b. Therefore, at the rear end portion of the second circuit board 40b, by inserting the screws 75 into the screw insertion holes 67a and 67b, respectively, and screwing these screws 75 into the screw holes 74a and 74b,
It is fixed to the substrate receiving portion 72.

From this, the second circuit board 40b is
It is laid across between the reinforcing plate 61 and the support fitting 71 of the connector panel 44.

As shown in FIG. 3, the second circuit board 40b
A third stacking connector 78 is arranged on the upper surface of the. The third stacking connector 78 extends along the width direction of the second circuit board 40b at the front end portion of the second circuit board 40b adjacent to the reinforcing plate 61. In addition, the first board portion 55 of the third circuit board 40c
A fourth stacking connector 79 is arranged on the lower surface of the. The fourth stacking connector 79 is detachably fitted to the third stacking connector 78 from above the second circuit board 40b, and by this fitting, the second circuit board 40b and the third circuit board 40b. 40c is electrically connected.

As shown in FIGS. 5 and 6, the first substrate portion 5
In the latter half of 5, the lower housing 3 and the upper housing 4
When it is covered, it faces the opening 11 of the keyboard mounting portion 8. In this case, the bottom wall 8e of the keyboard mounting portion 8
Is provided with support walls 11a and 11b extending downward from both left and right sides of the opening 11. These support walls 11a, 1
The lower end portion of 1b is hooked on the left and right side portions of the first substrate portion 55 and suppresses the floating of the first substrate portion 55.

The fourth circuit board 40d is a memory board, and has a card connector 81 on its upper surface to which a memory card is connected. This fourth circuit board 40d
5 is arranged adjacent to the right side of the second circuit board 40b as shown in FIG.
Above the substantially right half of a, the first circuit board 40
It is arranged substantially parallel to a. In this case, the fifth stacking connector 82 is arranged on the upper surface of the right end portion of the first circuit board 40a. A sixth stacking connector 83 is arranged on the lower surface of the fourth circuit board 40d facing the fifth stacking connector 82. The sixth stacking connector 83 is fitted to the fifth stacking connector 82, and by this fitting, the first circuit board 40a and the fourth circuit board 40d are electrically connected.

As shown in FIG . 9, the fourth circuit board 40d
The rear end of the left end portion of the above is superposed on the right end portion of the substrate receiving portion 72, and is fixed there by a screw 84. Further, the left end portion of the fourth circuit board 40d is adjacent to the bracket 63. In the case of the present embodiment, the second portion 65 of the bracket 63 is integrally provided with a support piece 86 extending rightward as shown in FIG. The support piece 86 faces the front end of the left end portion of the fourth circuit board 40d, and the front end of the left end portion of the fourth circuit board 40d is superposed on the upper surface of the support piece 86. Therefore, the fourth circuit board 40d has its right end portion supported via the fifth and sixth stacking connectors 82 and 83, and its left end portion supported via the bracket 86 and the support fitting 71. There is.

The fourth circuit board 40d is located behind the floppy disk drive device 28. A fifth circuit board 87 is arranged above the floppy disk drive 28, as shown in FIG. The fifth circuit board 87 is an acoustic board and is arranged in front of and adjacent to the fourth circuit board 40d.

According to this structure, the second circuit board 40b has the support fitting 7 fixed to the connector panel 44.
It is supported by a bracket 63 hung between the reinforcing plate 61 of the first stacking connector 39 and the first stacking connector 39, and is arranged above the first circuit board 40 a via the bracket 63. Therefore, the second circuit board 40b is mounted by using the connector panel 44 essential for supporting the various ports 46, 48 and the connectors 45, 47, 49 and the reinforcing plate 61 of the second stacking connector 60. The first circuit board 40a can be arranged in a stacked state above the first circuit board 40a.

Therefore, it is possible to omit the board-dedicated chassis, which has been conventionally required, and the number of parts is reduced accordingly, so that the cost and the weight can be reduced.

Since it is not necessary to secure a space for accommodating a large chassis surrounding the first to fourth circuit boards 40a to 40d inside the lower housing 3, the circuit boards 40a to 40d can be enlarged accordingly. Alternatively, the lower housing 3 can be made compact.

Further, according to the above configuration, since the connector panel 44 is fixed to the first circuit board 40a, the second circuit board 40b supported by the first circuit board 40a and the connector panel 44. The fourth circuit board 40d and the fourth circuit board 40d can be assembled in advance as a unit outside the lower housing 3. For this reason,
It is possible to assemble the first circuit board 40a, the second circuit board 40b, and the fourth circuit board 40d in the lower housing 3 in a stacked posture, and to assemble a plurality of circuit boards individually into the lower housing 3. Compared to the case of going forward, the assembly workability is improved significantly.

The bracket 63 has a first portion 64 that supports the second circuit board 40b and a second portion 65 that is superposed on the reinforcing plate 61. It is arranged at a lower position deviated to the first circuit board 40a side than the second portion 65. Therefore, the second circuit board 40b is not restricted by the height dimension of the first and second stacking connectors 39, 61,
Of the first and second circuit boards 40a, 40
The arrangement interval of b can be narrowed as much as possible. Therefore, although the circuit boards 40a to 40c are partially stacked in three stages inside the lower housing 3, the circuit boards 40a to 40c are partially stacked.
The stacking height of ~ 40c can be reduced, and the housing 2
There is an advantage that it contributes to the reduction in thickness.

At the same time, the bracket 63 has a supporting piece 86 protruding rightward, and the left end portion of the fourth circuit board 40d is superposed on the upper surface of the supporting piece 86.
Therefore, the fourth circuit board 40d adjacent to the second circuit board 40b can be supported using the bracket 63. Therefore, a dedicated bracket and a mounting seat for supporting the fourth circuit board 40d can be omitted, which contributes to reduction of the number of parts and simplification of the structure of the lower housing 3.

Moreover, according to the above configuration, the third and fourth stacking connectors 78, 79 for connecting the second circuit board 40b and the third circuit board 40c are located at positions close to the reinforcing plate 61. It is arranged. Therefore, when the fourth stacking connector 79 is fitted to the third stacking connector 78, even if the pressing force resulting from the fitting is transmitted to the second circuit board 40b, most of this pressing force is reinforced. 61 or the first and second stacking connectors 39 and 60 which are already in the fitted state. As a result, the pressing force is not concentrated on the second circuit board 40b, the damage and deformation of the second circuit board 40b can be prevented, and the third stacking connector 78 and the fourth stacking connector 79 can be prevented. Can be reliably engaged.

By the way, as shown in FIG. 4, the second board portion 56 of the third circuit board 40c is provided with the upper housing 4
Is located below the front portion 6 of the. The left end portion of the second board portion 56 extends to a position adjacent to the left side surface of the housing 2, and the first card accommodating portion is provided between the second board portion 56 and the front portion 6. 91 is formed. The first card housing portion 91 is for housing a card-shaped electronic component 92 such as an IC memory card in which an application program is stored, and is located above the battery housing portion 21. The first card storage portion 91 includes a card insertion port 93 into which the card-shaped electronic component 92 is removably inserted. The card insertion port 93 is opened on the left side surface of the housing 2. As shown in FIGS. 12 and 13, this card insertion port 93 is adjacent to a corner defined by the left side surface and the front surface of the housing 2. A first card cover 94 that opens and closes the card insertion port 93 is attached to the left side surface of the lower housing 3.

A pair of guide rails 95a and 95b are provided on the upper surface of the second board portion 56 which faces the first card accommodating portion 91.
And a first connector 96 connected to one end of each of the guide rails 95a and 95b. The guide rails 95a and 95b extend from a position adjacent to the card insertion opening 93 toward the end of the first card housing portion 91, and both side portions of the card-shaped electronic component 92 are slidably fitted therein. It has a guide groove 97. Guide groove 97
Inserts the card-shaped electronic component 92 into the first card connector 96.
The guide groove 97 is opened at the other end of the guide rails 95a and 95b facing the card insertion opening 93.

The first connector 96 has the same structure as that of a conventionally well-known one, and has a large number of pin terminals (not shown) in a portion facing the card insertion opening 93. This first
When the card-shaped electronic component 92 is connected to the connector 96 of the card-shaped electronic component 92, the card-shaped electronic component 92 is
It does not project from 3, and is completely adapted to enter the first card accommodation portion 91. A metal support plate 98 is attached in a range extending from the upper surface of the first connector 96 to the upper surfaces of the guide rails 95 and 95b.

As shown in FIG. 4, a shield plate 100 made of metal is attached to the right end of the second substrate 56. The shield plate 100 extends to a position adjacent to the right side surface of the housing 2, and the right end portion of the shield plate 100 has a bracket 3 of the floppy disk drive device 28.
It is stopped on the upper surface of 3.

A second card accommodating portion 101 is formed between the shield plate 100 and the front portion 6. The second card housing portion 101 is for housing the card-shaped electronic component 92 and another card-shaped electronic component (not shown) having a standard different from that of the card-shaped electronic component 92. It is located above the disk drive device 28. This second card storage unit 101
Has a card insertion slot 102 into which a card-shaped electronic component is removably inserted. The card slot 102 is
The right side surface of the housing 2 has an opening. This card slot 1
As shown in FIG. 11, 02 is adjacent to a corner defined by the right side surface and the front surface of the housing 2. A second card cover 103 that opens and closes the card insertion opening 102 is attached to the right side surface of the lower housing 3.

In the second card accommodation portion 101, the first card
Similarly to the card housing portion 91, a pair of guide rails 104 (only one is shown) for guiding the insertion of the card-shaped electronic component and a second connector 105 to which the card-shaped electronic component is detachably connected are arranged. Has been done. The guide rail 104 is attached from the upper surface of the shield plate 100 to the lower surface of the second board portion 56. The second connector 105 is attached to the right end of the second board portion 56 and faces the card insertion slot 102.

First and second card accommodating portions 91, 10
1, ejectors 110 for ejecting the card-shaped electronic components 92 are arranged. The ejectors 110 of the respective card accommodating portions 91 and 110 have substantially the same structure, and in this embodiment, the ejector 110 of the first card accommodating portion 91 will be described as a representative.

As shown in FIG. 12, the ejector 110
Is the slide plate 1 supported on the lower surface of the support plate 98.
11 and an operation lever 112 operated by an operator with a fingertip
And a linkage mechanism 113 for linking the slide plate 111 and the operation lever 112.

The slide plate 111 is a guide rail 95.
Between a and 95b, the supporting plate 98 is slidably supported in the insertion direction of the card-shaped electronic component 92. The slide plate 111 includes a pair of pressing pieces 115a and 115b extending downward. Pressing piece 11
5a and 115b are arranged immediately before the first connector 96, and when the card-shaped electronic component 92 is inserted into the first card accommodating portion 91, they come into contact with the insertion tip portion.

The link mechanism 113 is a base 1 made of synthetic resin.
17, a slider 118 supported on the upper surface of the base 117, and a rotating lever 119 that connects the slider 118 and the slide plate 111. Base 11
7 is arranged between the one guide rail 95a and the front surface of the front portion 6 of the upper housing 4,
It has an elongated plate shape extending in the left-right direction along the front surface of the front portion 6. This base 117 is the second
It is screwed to the ceiling wall 24 of the battery accommodating portion 21 together with the board portion 56.

As shown in FIG. 15, the upper surface of the base 117 forms a flat slide guide surface 120, and a spring receiver 121 and a pair of engaging projections 122a and 122b are arranged on the slide guide surface 120. Has been done. The spring bearing 121 extends upward at an intermediate portion of the slide guide surface 120 along the left-right direction.
21 has a guide groove 123 opened at the upper end thereof. The engagement protrusions 122a and 122b are arranged apart from each other in the left-right direction and protrude upward from the slide guide surface 120.

The slider 118 is provided on the slide guide surface 12
Bottom wall 125 that is slidable on the left and right
And the first side wall 126a and the second side wall 126a connected to the bottom wall 125.
And a side wall 126 of. The bottom wall 125 is formed with a pair of engagement holes 127a and 127b extending in the left-right direction. The engagement holes 127a and 127b are arranged apart from each other in the left-right direction, and the engagement holes 127a and 127b are arranged.
The engaging projections 122a and 122b are slidably engaged with the. By this engagement, the slider 118 is supported by the base 117 so as to be slidable in the left-right direction.
A seat 130 is integrally formed with one end of the bottom wall 125. An engagement protrusion 131 is provided on the upper surface of the seat 130 so as to project therefrom. A lock portion 132 is integrally formed at the other end of the bottom wall 125 opposite to the seat portion 130. The lock portion 132 has a lock wall 132a extending in the vertical direction.

The rotating lever 119 is installed between the seat portion 130 and the slide plate 111. Rotating lever 1
An intermediate portion of 19 is rotatably supported by the support plate 98. One end of the rotating lever 119 is connected to the slide plate 111. Also, the turning lever 1
The other end of 19 is led out in front of one guide rail 95a. At the other end of the rotating lever 119, the connecting hole 13
3 is opened, and the engaging projection 131 is rotatably fitted in the connecting hole 133.

Therefore, when the slider 118 is slid to the left and right, the rotation lever 119 rotates about the connecting portion with the support plate 98 as a fulcrum, and this rotation causes the slide plate 1 to move.
11 is slid in the opposite direction to the slider 118. Therefore, the slider 118 has a standby position where the pressing pieces 115a and 115b of the slide plate 111 are positioned immediately before the first connector 96, and the pressing piece 11 described above.
5a and 115b are slid over a pressing position for pushing the card-shaped electronic component 92 toward the insertion tip.

The first side wall 126a and the second side wall 126b of the slider 118 are opposed to each other between the front surface of the front portion 6 and one guide rail 95a. The first side wall 126a is located inside the front surface of the front portion 6, and the operation lever 112 is integrally formed on the front surface of the first side wall 126a. As shown in FIG. 11, a through hole 135 extending in the left-right direction is opened on the front surface of the front portion 6, and the through hole 135 has a long hole shape along the sliding direction of the slider 118.
The first side wall 126a covers the through hole 135 from the inside of the front portion 6, and the operation lever 112 is exposed to the front surface of the front portion 6 through the through hole 135.

The second side wall 126b of the slider 118 is
A rod-shaped guide portion 137 extending parallel to the side wall 126b.
It is equipped with. The tip of the guide portion 137 slidably passes through the guide groove 123 of the spring receiver 121, and the compression coil spring 1 is provided on the outer periphery of the guide portion 137.
38 is attached. The compression coil spring 138 has a second
Is compressed between the end of the side wall 126b of the spring and the spring receiver 121. Due to this compression, the slider 118 is pressed toward the standby position and is always held at the standby position.

As shown in FIG. 15, the base 117 has a support piece 1 at the end of the slider 118 on the side opposite to the seat 130.
41 is integrally provided. The support piece 141 extends upward and extends along the front-rear direction of the housing 2.
A lock lever 143 made of synthetic resin that limits the sliding of the slider 118 is supported on the support piece 141. The lock lever 143 has a finger hook 144. A mounting groove 145 is formed in the finger hook 144, and the support piece 141 is fitted in the mounting groove 145 so as to be slidable in the front-rear direction. A lock piece 146 is integrally formed with the finger hook 144. The lock piece 146 faces the lock wall 132a of the slider 118 when the slider 118 is slid to the standby position.

Therefore, the lock lever 143 has a lock position where the lock piece 146 is hooked on the lock wall 132a of the slider 118, and the lock piece 146 is the lock wall 13.
It is slidably supported by the base 117 over a release position where it is separated from 2a. The sliding direction of the lock lever 143 is orthogonal to the sliding direction of the slider 118.

As shown in FIG. 16, the finger hooks 144 are
It is located at a corner defined by the front surface and the left side surface of the front portion 6. An opening 150 that exposes the finger hook 144 is formed at this corner. Opening 150
Are continuously opened from the front surface of the front portion 6 to the left side surface thereof, and are connected to the card insertion opening 93.

Further, the finger hook 144 is provided on the front portion 6
Has a first surface 151 connected to the left side surface and a second surface 152 connected to the front surface of the front portion 6. These first and second surfaces 151, 152 are continuous in an arc so as to follow the curvature of the corners of the front portion 6. The first surface 151 and the second surface 152 are continuous with the left side surface and the front surface of the front portion 6 and become a part of the front portion 6 when the lock lever 143 is slid to the lock position. There is. When the lock lever 143 is slid to the unlocked position, FIG.
As shown in FIG. 7, the second surface 152 projects from the front surface of the front portion 6 toward the front of the housing 2.

As shown in FIG. 12, the lock lever 143 is
The finger hooking part 144 has a metal retaining piece 155 at the end facing the card insertion slot 93. Retaining piece 15
When the lock lever 143 is slid to the lock position, 5 advances into the card insertion opening 93 and faces the insertion rear end of the card-shaped electronic component 92 housed in the first card housing 91. It has become.

According to the ejector 110 having such a structure, when the lock lever 143 is slid to the lock position as shown in FIG. 14 in the state where the card-shaped electronic component 92 is accommodated in the first card accommodating portion 91. The lock piece 146 is caught on the lock wall 132a of the slider 118. In this case, the lock piece 146 is attached to the slider 118.
From the direction orthogonal to the sliding direction of the lock wall 132a
The lock piece 146 restrains the slide of the slider 118.

Therefore, when the card-shaped electronic component 92 is used while being connected to the first connector 96, even if the operating lever 112 is accidentally pressed toward the pressing position, the slider integrated with the operating lever 112 is used. Since the movement of 118 is restricted, the operation lever 112 cannot be slid toward the pressing position. For this reason, the slider 118 and the slide plate 111 remain stationary, and the card-shaped electronic component 92 does not have to be pushed out of the first card accommodating portion 91.

According to this ejector 110, the presence of the lock lever 143 prevents the pressing force of the operating lever 112 from being transmitted to the card-shaped electronic component 92, so that an excessive force is applied to the card-shaped electronic component 92 and the first connector 96. It is possible to prevent the card-shaped electronic component 92 from being pushed out without causing the occurrence of. Therefore, it is possible to prevent damage to the card-shaped electronic component 92 and the first connector 96, which have high added value.

Similarly, the pressing piece 1 of the slide plate 111 is
15a, 115b and the like, the connecting portion between the slide plate 111 and the rotating lever 119 and the connecting portion between the seat portion 130 of the slider 118 and the rotating lever 119 need not be subjected to an excessive force, and the ejector 110 is damaged. Can also be prevented.

Further, when the lock lever 143 is slid to the lock position, the retaining piece 155 advances into the card insertion opening 93 and faces the rear end of the card-shaped electronic component 92. Therefore, the card-shaped electronic component 92 can be retained and held in the first card housing portion 91 also by the retaining piece 155, and the slide of the operation lever 112 is restrained. Undesired extrusion of 92 can be double prevented.

On the other hand, in order to take out the card-shaped electronic component 92 stored in the first card storage portion 91, first, the lock lever 143 is slid toward the unlocked position,
The slider 118 is unlocked. Then, the operation lever 112 exposed on the front surface of the housing 2 is slid to the right from the standby position toward the pressing position. Then, Figure 1
As indicated by the arrow 2, the rotation lever 119 is rotated counterclockwise, and the slide plate 111 is slid leftward toward the card-shaped electronic component 92. By this slide, the card-shaped electronic component 92 pushes the pressing pieces 115a, 115b.
The card-shaped electronic component 92 is pushed out by the push-button in the direction away from the first connector 96.

As a result, the end portion of the card-shaped electronic component 92 projects from the card insertion opening 93 to the outside of the housing 2. Therefore, the protruding portion is grasped with a fingertip and pulled out from the card insertion opening 93. As a result, the card-shaped electronic component 92 can be taken out from the first card housing portion 91.

When the lock lever 143 is slid to the unlocked position, as shown in FIG.
The second surface 152 of 43 projects forward from the corner of the front portion 6. For this reason, the second surface 152 of the lock lever 143 and the front surface of the front portion 6 become discontinuous, and a step is formed at the corner portion of the front portion 6, so that the operator determines whether the operation lever 112 is locked or not. Can be easily recognized from the front of the computer 1 without looking into the opening of the card insertion port 93.

In this case, the lock lever 143
Does not need to secure a space for allowing the lock lever 143 to slide inside the front portion 6 because it protrudes to the front of the front portion 6, and the housing 2 can be downsized accordingly. .

Moreover, the operating lever 1 of the ejector 110
As is clear from FIG. 1, 12 is exposed on the front surface of the housing 2, so that the operation lever 112 is located on the operator's side. Therefore, during the operation of the computer 1, the operation lever 112 is located within the range of the operator's visual field, and the operator can slide the operation lever 112 without checking the position of the operation lever 112 each time. .

According to the ejector 110 having the above structure, the base 117 and the slider 118 are housed in the dead space between the one guide rail 95a of the first card housing portion 91 and the front surface of the upper housing 4. Therefore, it is not necessary to newly secure a large space inside the housing 2, which contributes to downsizing of the housing 2. In addition, a lock lever 143 that locks the operation lever 112
Is supported by the base 117 of the linkage mechanism 113, the lock lever 143 and the linkage mechanism 113 can be assembled as one unit. for that reason,
The lock lever 143 and the linkage mechanism 113 can be incorporated into the lower housing 3 at one time, and the assembling work of the computer 1 can be easily performed.

By the way, as shown in FIG. 1, a display unit 161 is supported by the housing 2. The display unit 161 includes a thin box-shaped housing 162 and a liquid crystal display 163 housed in the housing 162. Housing 162
Is a front housing 164 and a rear housing 165.
The front housing 164 is formed with an opening 166 exposing the liquid crystal display 163.

The housing 162 includes the first pivot support leg 1.
68 and a second pivot leg 169. First
The second pivot support legs 168, 169 are formed by abutting a front portion 170 connected to the front housing 164 and a rear portion 171 connected to the rear housing 165. These pivot legs 168, 1
Reference numeral 69 denotes a hollow cylindrical shape that is continuous with the inside of the housing 162. First and second pivotal legs 168,
169 is a leg mounting portion 17a of the upper housing 4,
17b, respectively. The first and second pivot leg portions 168, 169 have left and right leg side surfaces 175a, 175b that face the side surfaces 19 of the first and second leg attachment portions 17a, 17b. And
The left leg side surface 175a of the first pivot leg 168 and the second
A communication hole 176 is formed in each of the right leg side surfaces 175b of the pivot supporting leg portions 169. These communication holes 176
Are connected to the side openings 19a of the leg mounting portions 17a and 17b.

Such first and second pivot leg portions 1
As shown in FIG. 20, 68 and 169 are supported by the lower housing 3 via a first hinge device 177 and a second hinge device 178. These hinge devices 17
7, 178 are hinge shafts 179 and 180, and hinge shaft 1
First bracket 18 fixed to one end of 79, 180
1, 182 and the second bracket 18 rotatably connected to the other ends of the hinge shafts 179, 180 in the axial direction.
3 and 184 and a plurality of spring washers 185 that restrict the free rotation of the hinge shafts 179 and 180. Such hinge devices 177, 178 are
And it is arrange | positioned at the left-right outer side of the 2nd leg part 168,169 for pivot.

The hinge shafts 179 and 180 are arranged so as to straddle between the leg mounting portions 17a and 17b and the pivotally supporting leg portions 168 and 169. Therefore, the hinge shafts 179, 1
80 is the side surface 19 of the leg attachment portions 17a and 17b and the outer leg side surfaces 175b and 1 of the pivot support leg portions 168 and 169, respectively.
75a is penetrated. One ends of the hinge shafts 179 and 180 are introduced inside the pivot support leg portions 168 and 169, and the first brackets 181 and 182 connected to the one ends of the hinge shafts 179 and 180 respectively receive screws 186. Inner surface of rear housing 165 and legs 16 for each pivot
It is fixed to the inner surface of the rear portion 171 of 8,169.
The second brackets 183 and 184 are screwed to the bottom wall 3a of the lower housing 3 together with the first circuit board 40a.

When the first brackets 181, 182 and the second brackets 183, 184 are fixed to the rear housing 165 and the lower housing 3, respectively, the hinge shafts 179, 180 are arranged coaxially with each other. The hinge shafts 179 and 180 are the display unit 1
It serves as the fulcrum of rotation of 61.

Therefore, the display unit 161
2, as shown in FIG. 2, a first position for covering the housing 2 from above, a second position for raising the liquid crystal display 163 behind the keyboard mounting portion 8, and a rear surface of the housing 2 are provided. It is supported by the housing 2 so as to be rotatable around a third position which is tilted to an angle close to horizontal. Then, when the display unit 161 is rotated to the first position, the housing 16 of the display unit 161 is
2 is a front surface of the housing 2, left and right side surfaces, and an upper surface 13 of the convex portion 9.
The computer 1 is formed into a box shape which is convenient and portable.

As shown in FIGS. 19 and 20, the first bracket 181 of the first hinge device 177 is located in the right half of the first pivot support leg 168. A cylindrical microphone 191 is arranged in a space opened to the left of the first bracket 181. The microphone 191 is for recording the voice of the operator, for example, and is supported by a holder 192 made of synthetic resin. The holder 192 has a wall portion 193 corresponding to the inner surface of the rear portion 171, and a pair of upper and lower engaging holes 194a and 194b are opened in the wall portion 193. Engaging protrusions 195a and 195b extending from the inner surface of the rear portion 171 are inserted into the engaging holes 194a and 194b, whereby the microphone 191 is supported on the inner surface of the rear portion 171.

Further, as shown in FIG. 18 and FIG.
The first bracket 181 has a screw insertion hole 181a. The screw insertion hole 181a is provided in the microphone 19
It is located to the right of 1.

As shown in FIGS. 18 and 19, the microphone 191 includes a cable 1 having a connector 196.
97 is connected. The cable 197 is guided to the inside of the housing 2 through the communication hole 176 opened in the left leg side surface 175a of the first pivot leg 168 and the side opening 19a of the leg attachment portion 17a. The cable 197 is routed inside the housing 2 through the upper side of the fourth circuit board 40d to the fifth circuit board 87, and the connector 19 at the tip of the cable 197 is provided.
6 is connected to the fifth circuit board 87.

As shown in FIG. 22, the first through hole 19 is formed in the front portion 170 which is butted against the rear portion 171.
8a and the 2nd through-hole 198b are opened side by side. The first through hole 198a faces the microphone 191. The second through hole 198b faces the screw insertion hole 181a of the first bracket 181. As shown in FIG. 22, the screw 2 is inserted into the second through hole 198b.
01 is inserted. The screw 201 penetrates the screw insertion hole 181a and is screwed into the rear portion 171. By this screwing, the front portion 170 and the rear portion 171 of the first pivot support leg portion 168 are connected to each other. A decorative panel 199 that covers the first and second through holes 198a and 198b and the screw 201 is attached to the front surface of the front portion 170 . The decorative panel 199 has a large number of small holes 200.
00 is located at a portion facing the first through hole 198a.

Then, as shown in FIG. 18, when the display unit 161 is rotated to the second position,
The first and second pivot support legs 168 and 169 also stand upright with respect to the housing 2, so that the microphone 191 exposed through the first through hole 198a faces the operator.

According to this structure, the microphone 191 for recording the voice of the operator is housed in the first pivot leg 168 of the display unit 161, and the microphone is attached to the front portion 170 of the pivot leg 168. 19
Since the first through hole 198a connected to No. 1 is formed, when the display unit 161 is erected in the second position, the microphone 191 and the first through hole 198a are positioned facing the operator. Therefore, when the voice of the operator is recorded with the microphone 191, the microphone 191 is positioned in the voice emission direction, and the voice can be recorded efficiently and reliably.

Further, since the microphone 191 is separated from the housing 2 placed on the table and floats above the table, even if some vibration is applied to the housing 2 by hitting the table, for example. However, there is an advantage that it is difficult to pick up the noise accompanying this vibration.

Further, according to the above configuration, the first pivot support leg portion 168 is inserted into the first leg attachment portion 17a of the housing 2, and the first pivot support leg portion 168 is provided on the left side of the first pivot support leg portion 168. A communication hole 176 formed in the leg side surface 175a is continuous with the side opening 19a of the first leg attachment portion 17a. For this reason, as shown in FIG. 18, the cable 197 connected to the microphone 191 is connected to the housing 2 from the inside of the first pivot support leg 168 through the communication hole 176 and the side opening 19a.
The cable 197 can be easily guided to the inside of the cable 197, and the length of the cable 197 can be shortened. In addition, the cable 197 does not have to be pulled out to the outside of the display unit 161 or the housing 2, and the appearance is good, and the cable 197 is provided.
No special covers are needed to cover.

Moreover, the first bracket 181 for supporting one end of the hinge shaft 179 is only arranged inside the first leg portion 168 for pivotal support.
There is enough dead space to the left of 1. For this reason, the microphone 191 can be installed by utilizing the dead space generated inside the first leg 168 for pivot support, and the microphone 191 is exclusively installed inside the housing 162 of a limited size. You don't have to reserve space.

Further, in the microphone 191, the holder 192 is provided with the engaging projections 195 a, 1 on the inner surface of the rear portion 171.
By being inserted into 95b, it is supported by the first pivot leg 168. For this reason, the microphone 191 can be supported without using special screws, and the troublesome screwing work is unnecessary, and the assembling work of the microphone 191 can be easily performed.

As shown in FIG. 20, the second pivot leg 1
A cable 202 connected to the liquid crystal display 163 is guided inside the unit 69. The cable 202 is guided to the inside of the convex portion 9 through the communication hole 176 opened on the right leg side surface 175b of the second pivot support leg 169 and the side opening 19a of the second leg attachment portion 17b. There is. The cable 202 is guided from the inside of the convex portion 9 to the upper surface of the second circuit board 40b, and the connector 203 at the tip of the cable 202 is connected to the second circuit board 40b. A cylindrical core 204 is attached to the introduction portion of the cable 202 into the convex portion 9.

As shown in FIG. 3 and FIG.
Has an icon mounting port 205. The icon mounting opening 205 is opened inside the convex portion 9, and an icon 206 is arranged in the icon mounting opening 205. The icon 206 is located between the first leg mounting portion 17a and the second leg mounting portion 17b. The icon 206 includes a transparent synthetic resin icon substrate 207. The icon board 207 is fixed to the icon mounting opening 205 by means such as adhesion.

The icon substrate 207 has a display surface 208 exposed outside the convex portion 9. Display surface 208
Is a first surface 208 that is flush with the front surface 12 of the protrusion 9.
a and a second surface 20 that is flush with the upper surface 13 of the protrusion 9
8b and these first and second faces 208a, 2
08b are continuous with each other. On this display surface 208, a plurality of display marks 209 for displaying the operating state of the computer 1 and the contents of the functions in a pattern are drawn. These display marks 209 are arranged at intervals in the left-right direction of the convex portion 9. The display mark 209 is the first mark.
2 and the second surface 208b of FIG.
As shown in, even when the display unit 161 is rotated to the first position, it is exposed above the computer 1 together with the upper surface 13 of the convex portion 9.

As shown in FIG. 3, a synthetic resin holder 211 is arranged between the convex portion 9 of the upper housing 4 and the rear end portion of the lower housing 3. Holder 211
Is integrally provided with first and second covers 212 and 213 and a connecting portion 214 connecting the covers 212 and 213.

First and second covers 212 and 213
Is the first and second leg mounting portions 17a, 17b
Covers the bottom opening 18a from the inside of the upper housing 4 and is substantially flush with the upper surface of the upper housing 4. First and second covers 212, 213
Is a side wall 215 extending upward at both left and right ends thereof.
a, 215b. Side walls 215a, 215b
Is fitted in the side openings 19a of the first and second leg mounting portions 17a, 17b.
Constitute a cable passage 216 through which cables 197,202 to the side surface 19 of the leg mounting portions 17a, 17b cooperate. (See FIG. 18) A pair of left and right positioning protrusions 212a, 212b, 213a, 213b extending downward are provided on the bottom surfaces of the first and second covers 212, 213.
Are integrally formed. Also, these first and second
As shown in FIG. 7, rear end walls 217 and 218 extending downward are formed at the rear ends of the covers 212 and 213.
There is. These rear end walls 217 and 218 are used for the positioning projection 2
12a, 212b, 213a, and 213b.

The connecting portion 214 of the holder 211 is shown in FIG.
As shown in FIG. 1, first to fourth component receiving portions 220a
˜220d. The first to third component receiving portions 220a to 220c are the first and second covers 21.
The second component receiving portion 220d is arranged side by side in the left-right direction between the second and second portions 213, and the fourth component receiving portion 220d is provided immediately after the third component receiving portion 220c.

As shown in FIGS. 3 and 7, the holder 211 is superposed on the upper surface of the flange portion 50a of the connector panel 44. In this case, the positioning protrusions 212a, 212 of the first and second covers 212, 213
b, 213a, 213b are inserted through slits (not shown) formed in the flange portion 50, and the holder 211 is laterally positioned with respect to the lower housing 3 by this insertion. Also, as shown in FIG.
Rear end wall 21 of first and second covers 212, 213
7, 218 cover the rear surface of the wall portion 50b connected to the flange portion 50a, whereby the holder 211 is positioned in the front-rear direction with respect to the lower housing 3.

The first and second covers 212 and 213 of the holder 211 are provided on the rear portion 7 of the upper housing 4.
By covering the lower housing 3 into the bottom openings 18a of the first and second leg mounting portions 17a and 17b, and closing the bottom openings 18. Then, at this time, the sidewalls 21 of the first and second covers 212 and 213 are
5a and 215b are the first and second leg attachment portions 17
The first and second covers 212 and 213 are fitted in the side openings 19a of the a and 17b, and are sandwiched between the connector panel 44 and the rear portion 7 of the upper housing 4.

When the rear portion 7 of the upper housing 4 is put on the lower housing 3, the connecting portion 214 is located at the lower end of the convex portion 9. As shown in FIG. 3, the connecting portion 214 forms an accommodation space 219 between itself and the inner surface of the convex portion 9. The accommodation space 219 includes the first leg attachment portion 17a,
The first to fourth component receiving portions 220a to 220d are located in the accommodation space 219.

As shown in FIGS. 20 and 21, the holder 21
A core 204 of the cable 202, a cylindrical sub-battery 221 for installing a resume function, and a disk-shaped speaker 222 are arranged in each of the first to third component receiving portions 220a to 220c. Core 20
The first and third component receiving portions 220a, 220c for receiving the battery 4 and the sub-battery 221 have a concave shape that is open upward, and these component receiving portions 220a, 220c are provided.
The core 204 and the sub-battery 221 are fitted and held at 0c. The second component receiving portion 220b that receives the speaker 222 integrally has a plurality of engaging pieces 223.
The engagement pieces 223 are removably engaged with the upper and lower ends of the speaker 222. Due to this engagement, the speaker 222 is held in a substantially upright posture in the second component receiving portion 220b.

The fourth component receiving portion 220d is shown in FIG.
As shown in FIG. 7, it is located below the icon board 207. The diode board 225 is supported by the fourth component receiving portion 220d. This fourth component receiving portion 2
20d has a plurality of engagement pieces 226.
26 is releasably locked to a corner portion or a peripheral portion of the diode substrate 225. Due to this engagement, the diode substrate 2
25 is supported by the fourth component receiving portion 220d in a substantially upright posture, and the front surface of the diode board 225 is close to the icon board 207.

A flexible wiring board 228 is attached to the front surface of the diode board 225. On the wiring board 228, a plurality of light emitting diodes 229 are arranged at intervals in the left-right direction. Light emitting diode 229
Are light sources of the icons 206, and are arranged at positions facing the display marks 209 on the icon substrate 207, respectively. Therefore, when the light emitting diode 229 emits light, the display mark 209 corresponding to the light emission is turned on, and the operating state and the content of the function of the computer 1 are displayed.

In the case of this embodiment, the icon substrate 2
A diffusion sheet (not shown) is attached to the surface of 07 facing the light emitting diode 229. The diffusion sheet is
This is for diffusing light from the light emitting diode 229 having a strong directivity in a wide range. Due to the presence of this diffusion sheet, the display mark 209 does not emit light locally, and is uniformly lit throughout. ing.

The tip of the wiring board 228 is connected to the relay connector 230 on the fourth circuit board 40d as shown in FIG. 19 and FIG.

According to the holder 211 having such a structure,
First and second covers 212, 213 covering the bottom openings 18a of the first and second leg mounting parts 17a, 17b.
Are integrally connected by the connecting portion 214, and therefore, when the lower housing 3 is covered with the rear portion 7 of the upper housing 4 with the holder 211 attached to the connector panel 44, the first and second leg attachments can be attached. Part 17a,
17b is the first and second leg mounting portions 17a, 17b
Fits into the bottom opening 18a.

Therefore, the first and second covers 21
2, 213 can be incorporated into the housing 2 at a time, and the assembling workability is improved. Moreover, since the first and second covers 212 and 213 are one component, the number of components can be reduced.

Moreover, according to the above structure, the connecting portion 214 connecting the first and second covers 212 and 213 is
First to fourth component receiving portions 220a that support various functional components such as the sub battery 221 and the speaker 222.
To 220d, the above functional parts are attached to the holder 2
It can be accommodated in the accommodation space 219 inside the convex portion 9 in a state of being collectively supported by 11. Therefore, as compared with the case where the functional components are individually attached to the inner surface of the convex portion 9, the assembling work of these functional components can be easily performed.

Further, since screws for individually fixing a plurality of functional parts and seats for receiving these screws are unnecessary, the number of parts can be reduced and the inner surface shape of the convex portion 9 can be simplified, resulting in cost reduction. Can be reduced and the weight can be reduced.

Moreover, the speaker 222 and the diode substrate 225 are held by the third and fourth component receiving portions 220c and 220d via the engaging pieces 223 and 226, and the core of the sub battery 221 and the cable 202 is held. Reference numeral 204 denotes the first and second component receiving portions 220a, 220
It is fitted and held at 0b. Therefore, various functional parts can be supported by the holder 211 without using any screws. Since it is not necessary for screws to enter between the adjacent functional components, it is possible to reduce the arrangement interval of the functional components, and to arrange a large number of functional components in the accommodation space 219 having a limited space with high density. it can.

Further, the first and second hinge devices 177 and 178 for supporting the display unit 161 are
Since the first and second leg mounting portions 17a, 17b are located on the left and right outer sides, the hinge devices 177, 1
The 78 does not project into the accommodation space 219. Therefore, interference between the functional components and the hinge devices 177 and 178 can be prevented, the volume of the accommodation space 219 is not reduced by the hinge devices 177 and 178, and a plurality of functional components can be comfortably accommodated in the accommodation space 219. it can.

On the other hand, as shown in FIG. 1, the keyboard mounting portion 8 of the upper housing 4 is detachably mounted with a keyboard 235 for inputting information and commands. As shown in FIGS. 23 and 24, the keyboard 235 includes a keyboard panel 236. The keyboard panel 236 has a rectangular plate shape that can be fitted into the keyboard mounting portion 8 and is placed on the bottom wall 8 e of the keyboard mounting portion 8. A large number of keys 237 and a joystick 238, which is a kind of pointing device, are arranged on the upper surface of the keyboard panel 236.

The keyboard panel 236 has a front edge 236a along the front side wall 8a of the keyboard mounting portion 8 and a rear edge 236b along the rear side wall 8b. The front edge 236a of the keyboard panel 236 has a plurality of first edges.
Engaging protrusions 240 are provided so as to be spaced apart in the left-right direction. On the rear edge 236b of the keyboard panel 236,
A plurality of second engaging projections 241 are provided so as to project in the left-right direction at intervals.

As shown in FIG. 25, the keyboard mounting portion 8
In the corner portion defined by the front side wall 8a and the bottom wall 8e,
A rib-shaped seat portion 242 is formed. The seat 242 is
The seat 24 extends over the entire width of the keyboard mounting portion 8.
2 has a plurality of engaging recesses 243 formed therein. The engagement recesses 243 are arranged at intervals in the left-right direction, and are continuously opened on the upper surface and the rear surface of the seat portion 242.
Then, the keyboard 235 is provided in these engaging recesses 243.
The first engaging protrusion 240 of the keyboard panel 236 is inserted from above when the is attached to the keyboard attaching portion 8 . The upper surfaces of the first engaging protrusions 240 are substantially flush with the upper surface of the seat portion 242.

As shown in FIGS. 21 and 24, a plurality of engagement openings 245 are formed at the corner defined by the rear side wall 8b and the bottom wall 8e of the keyboard mounting portion 8. The engagement ports 245 are arranged at intervals in the left-right direction. The second engagement of the keyboard panel 236 is provided in these engagement openings 245.
The engaging projection 241 is inserted so that it can be inserted and removed.

As shown in FIG . 1, the front portion 6 of the upper housing 4 has a keyboard panel of the keyboard 235.
Has a length that extends over the entire length of the 236 along the width direction.
ing. The front portion 6 has a holding wall 247 extending downward at a front edge portion connected to the keyboard mounting portion 8. The holding wall 247 extends over the entire width of the front portion 6. When the front portion 6 and the rear portion 7 are butted against each other, the holding wall 247, as shown in FIG.
The front side wall 8a of the keyboard mounting portion 8 is overlapped with the rear surface of the side wall 8a, and its lower end is in contact with the upper surface of the seat portion 242.

Further, the front portion 6 has a keyboard 23
It is located on the hand side of No. 5. The upper surface of the front portion 6 serves as a hand rest 250 on which a hand is placed when operating the keyboard 235. Operation buttons 251 a and 251 for executing and canceling the command displayed on the liquid crystal display 163 are provided at substantially the center of the hand rest 250.
b are arranged side by side.

Next, a procedure for mounting the keyboard 235 on the keyboard mounting portion 8 will be described.

Prior to mounting the keyboard 235, only the rear portion 7 of the upper housing 4 is attached to the lower housing 3, and the front portion 6 is removed from the lower housing 3. In this state, the keyboard 23
5 is placed on the keyboard mounting portion 8. At this time, the keyboard 235 is replaced by the keyboard panel 2 as shown in FIG.
The rear edge portion 236b of 36 is inserted toward the keyboard mounting portion 8 in an obliquely downward posture, and first, the second engagement protrusion 241 of the keyboard panel 236 is hooked on the engagement opening 245.

Next, the second engagement protrusion 241 and the engagement port 24
The entire keyboard 235 is rotated downward with the hooked portion with 5 as a fulcrum, and the keyboard panel 236 is placed on the bottom wall 8e of the keyboard mounting portion 8. And at this time,
The first engagement protrusion 240 of the front edge portion 236a of the keyboard panel 236 is engaged with the engagement recess 243 of the keyboard mounting portion 8.

Next, the front portion 6 of the upper housing 4 is put on the lower housing 3. Then, the gripping portion 247 of the front portion 6 is attached to the front side wall 8 of the keyboard mounting portion 8.
While being overlapped with the rear surface of a, the lower end of the holding portion 247 contacts the seat portion 242 and the upper surfaces of the first engaging protrusions 240. This contact, the first engaging projection 240 is clamped
It is sandwiched between the portion 247 and the bottom wall 8e of the keyboard mounting portion 8.

After the front portion 6 is covered with the lower housing 3, the housing 2 is turned upside down to make the lower housing 3
A plurality of screws (not shown) are inserted from the bottom wall 3a side, and the lower housing 3 and the front portion 6 and the rear portion 7 are coupled to each other through these screws. By this,
In the keyboard 235, the front edge portion 236a and the rear edge portion 236b of the keyed panel 236 are held by the front and rear side walls 8a and 8b of the keyboard mounting portion 8.

According to such a configuration, the keyboard 23
Reference numeral 5 denotes a front edge portion 236a and a rear edge portion 236b of the keyboard panel 236, and front and rear side walls 8 of the keyboard mounting portion 8.
Since it is held by the keyboard mounting portion 8 by being hooked on a and 8b, no screw is required for mounting on the keyboard 235. Therefore, the number of parts can be reduced, and the boss portion that receives the screw from the housing 2 including the keyboard mounting portion 8 can be omitted, and the structure of the housing 2 can be simplified.

When mounting the keyboard 235,
Since the troublesome screwing work is unnecessary, the keyboard 235 can be easily assembled, and the workability of assembling the computer 1 is improved.

Further, in the case of the present embodiment, the first engaging protrusion 240 of the keyboard panel 236 is engaged with the corner formed by the front side wall 8a and the bottom wall 8e of the keyboard mounting portion 8. A recess 243 is formed. Therefore, the keyboard panel 236 is positioned in the left-right direction with respect to the keyboard mounting portion 8, so that the front portion of the keyboard 235 can be prevented from being lifted or tilted.

The portable electronic device according to the present invention is not limited to a computer and can be implemented in a portable word processor as well.

[0200]

According to the present invention described in detail above, a screw is used.
The keyboard can be fixed to the keyboard mounting part without being present . Therefore, the number of parts can be reduced, and the troublesome work such as tightening and loosening the screw at the time of attaching / detaching the keyboard is released, and the attaching / detaching work of the keyboard can be easily performed.

[0201]

[0202]

[0203]

[0204]

[0205]

[0206]

[0207]

[0208]

[0209]

[0210]

[0211]

[0212]

[0213]

[0214]

[0215]

[0216]

[0217]

[0218]

[0219]

[0220]

[0221]

[0222]

[0223]

[0224]

[Brief description of drawings]

FIG. 1 is a perspective view of a computer in which a display unit is rotated to a second position.

FIG. 2 is a perspective view of the computer in which the display unit is rotated to a first position.

FIG. 3 is a cross-sectional view of a housing of a computer.

4 is a sectional view taken along the line AA of FIG.

5 is a cross-sectional view taken along the line BB of FIG.

FIG. 6 is a perspective view of a computer case.

FIG. 7 is a rear view of the computer showing a state in which the second connector cover and the third connector cover are opened.

FIG. 8 is a rear view of the computer showing a state in which the second connector cover and the third connector cover are closed.

FIG. 9 is a perspective view showing a relationship between a bracket that supports the second circuit board and a support fitting of the connector panel.

FIG. 10 is a perspective view showing a mounting state of a second circuit board and a third circuit board.

FIG. 11 is a perspective view of a housing showing a first card storage portion in a cutaway manner.

FIG. 12 is a plan view of a first card storage portion.

[13] Slide the lock lever to the release position, perspective view of an unlocked state of the ejector.

FIG. 14: Slide the lock lever to the lock position,
FIG. 3 is a perspective view of the ejector locked .

FIG. 15 is an exploded perspective view of an ejector linkage mechanism.

FIG. 16 is a perspective view of the housing when the lock lever is slid to the lock position.

FIG. 17 is a perspective view of the housing when the lock lever is slid to the release position.

FIG. 18 shows a microphone as a first display unit.
FIG. 3 is a perspective view showing a state in which it is attached to a leg portion for pivotal support of

FIG. 19 is a perspective view showing a wiring route of a cable connected to a microphone.

FIG. 20 is a front view of the computer showing a state in which various functional parts are supported by the holder.

FIG. 21 is an exploded perspective view showing the relationship between the upper housing and the holder.

FIG. 22 is a perspective view of a computer showing a connecting portion between a housing and a display unit.

FIG. 23 is a perspective view of a keyboard.

FIG. 24 is a side view of the computer showing a keyboard mounting portion in a broken manner.

FIG. 25 is a perspective view showing a state where the front portion of the upper housing is removed from the lower housing.

FIG. 26 is a perspective view showing a state in which the front portion of the upper housing is attached to the lower housing.

FIG. 27 is a side view of the computer showing a state where the keyboard is incorporated in the housing.

[Explanation of reference numerals] 2 ... Housing 3 ... Lower case (lower housing) 4 ... Upper case (upper housing) 6 ... Holding member (front part) 8 ... Keyboard mounting portion 235 ... Keyboard 236 ... Keyboard panel 236a, 236b ... Edge Part (front edge part, rear edge part) 240, 241 ... Engagement protrusion (first engagement protrusion, second engagement protrusion) 245 ... Engagement port 247 ... Holding part

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-3-27421 (JP, A) Actually open 2-92523 (JP, U) Actually open 1-164523 (JP, U) Actually open 59- 20339 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) G06F 1/16

Claims (6)

(57) [Claims] 1. A lower case, an upper case which is connected to the lower case and has a keyboard mounting portion, and a keyboard panel which is detachably mounted on the keyboard mounting portion and has an engaging protrusion on an edge portion. a keyboard, is removably coupled to the lower case, anda holding member having a pinching portion for sandwiching the engagement projection between the keyboard mounting portion, the keyboard the keyboard instrumentation by the holding member
A portable electronic device characterized by being fixed to the attachment part . 2. A lower case and a keyboard mounting portion connected to the lower case.
And an upper case, which is detachably mounted on the keyboard mounting portion and has an edge portion.
Keyboard including a keyboard panel having engaging protrusions
And fixed to the lower case with a screw to form a part of the upper case.
And the above-mentioned
And a holding member having a holding portion for sandwiching the mating protrusion.
Then, the keyboard is attached to the keyboard by the holding member.
A portable electronic device characterized by being fixed to a wearing part. 3. In the description of claim 1 or 2,
The holding member extends over the entire length of the keyboard panel.
A portable electronic device having a length that extends . 4. A lower case and a case connected to the lower case.
It also has a keyboard mounting part with an engagement opening
And a case including an upper case, and detachably attached to the keyboard attachment section.
The engaging protrusion that is detachably hooked on the engaging port, and this engaging
A keyboard having a mating protrusion and an edge portion provided on the opposite side.
And detachably attached to the above housing and attached to the above housing.
When, the keyboard between the keyboard mounting portion
A holding member having a holding portion that sandwiches the edge portion of the
Then, the keyboard is attached to the keyboard by the holding member.
A portable electronic device characterized by being fixed to the attachment part . 5. The holding member according to claim 4,
Is a part of the upper case when attached to the housing.
A portable electronic device characterized by being formed. 6. The method according to claim 4 or 5,
The holding member should be screwed to the lower case.
Characteristic portable electronic equipment.