JPH09293974A - Electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make firm and compact a connection part connecting a main body and an extension device as capable of being separated and connected freely by providing a projecting pin to an upper surface of an extension device and providing a fitting hole part which fits to a projection pin to a bottom surface of a main body in a pit insert part of a main body. SOLUTION: A personal computer main body 1 has a display device 10, a key board input device 9, a hard disk drive 11, a floppy disk drive 12, etc. An extension device 2 has a built-in CD-ROM drive 13 and a fixing click 5 is provided to a right side of an upper surface thereof and a movable click 6 which interlocks with a separation/connection lever is provided to a left side thereof. A connector 4 is arranged to enable fine movement in a middle of the two movable clicks 6, and a projecting pin 7 is arranged in both sides thereof. A rear of the main body 1 is provided with a fitting hole which fits to the fixing click 5, the movable click 6 and the projecting pin 7. Therefore, a compact electronic device which can be accurately positioned and combined as capable of being separated and connected freely can be obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device, and more particularly to an electronic device in which an electronic device main body (hereinafter referred to as a main body) and an extender are configured to be detachable (detachable).

[0002]

2. Description of the Related Art Conventionally, in order to extend the functions of a notebook personal computer or the like, a main body 1 is connected to an expander 2 having a built-in FDD, HDD or expansion board as shown in FIG. And a connector (expansion-side connector) 4 for connection.

[0003]

In the conventional example, the desktop personal computer is configured to be separated into a notebook personal computer and an extender. The dilator was intended to remain stationary on the desk, and was also large. In such a configuration, the connector 3 of the main body 1 is connected to the connector 4 of the expander 2 as shown in FIG.
It is only necessary to have a structure for coupling to the main body, and at the most, a sufficient combination can be performed by adding a locking member or the like so that the main body does not come off.

However, in laptop computers and the like, in addition to portability, the main body is provided with the minimum necessary functions to achieve compactness, and portability is also emphasized when combined with an expansion device. It is becoming more and more necessary that a compact body and expansion device coupling mechanism is required.

[0005]

SUMMARY OF THE INVENTION The present invention provides a projecting pin shape on a dilator, and a hole for engaging the projecting pin at a position directly below a bit insert of a main body.
The main body and the dilator are positioned by fitting the pin-shaped part and the hole-shaped part. Alternatively, the electrical connection between the main body and the dilator is established at this portion. This makes it possible to reduce the amount of radiated electromagnetic waves by making the main body and the casing of the dilator have the same potential. Further, since the main body bit insert portion is effectively used and an extra volume for additional engagement is not required, it contributes to downsizing of the main body.

[0006]

Next, embodiments of the present invention will be described.

FIGS. 1, 3 and 4 show the configuration of an embodiment using a notebook personal computer. The PC body 1 is a display device 10,
Keyboard input device 9, hard disk drive 11,
It has a floppy disk drive 12 and the like. The extender 2 includes a CD-ROM drive 13 and communication (not shown).
Built-in expansion board for sound source etc. The dilator has a fixed claw 5 on the right side of an upper surface thereof and a movable claw 6 on the left side interlocked with a separation lever (open / close lever) 8. The connector 4 is arranged in the middle of the two movable claws 6 so as to be capable of minute movement. 7
Are projecting pins, which are arranged on both sides of the connector 4. On the back surface of the main body shown in FIG. 4, a locking hole 14 for locking the fixed claw 5, a locking hole 15 for locking the movable claw 6,
Is provided with an engagement hole 16 that engages with the hole. Reference numeral 3 denotes a connector of the main body connected to the connector 4 of the expander.

FIG. 5, FIG. 6 and FIG. 10 show a method of combining the main body and the dilator. With the release lever 8 opened outward and the movable claw 6 inclined outward, the right locking hole 14 of the main body is hooked on the fixed claw 5 of the dilator, and the left side of the main body is lowered to connect the connector. Thereafter, when the separating lever 8 is closed, the movable claw 6 is locked in the locking hole 15 and the union is completed. Fixed nail 5
If the shape of the engaging portion has an inclination θ as shown in FIG. 10, the mountability is improved. θ is preferably about 5 ° to 30 °. With such a configuration, the main body can be smoothly combined with the dilator with a slight rotation after the approximate positioning is performed on the fixed claw side. Since the size of the product in the left-right direction is large, and therefore, the radius of rotation can be large, the connector portions are practically almost vertically opposed and connected, so that the reliability is improved. Further, since the movable claw 6 is locked to the main body by the opening / closing type separation lever 8, the combined state can be recognized by the bodily sensation.

7 to 9 show fitting of the projecting pin 7 and the engaging hole 16. The engaging hole 16 is the boss portion 7 of the bit insert 17.
6, any insert portion may be used depending on the configuration of the device. In this embodiment, the engaging hole 16 and the projecting pin 7 are provided on both sides of the connector,
It contributes to the improvement of the positioning accuracy of the connector and the electrical continuity between the main body and the dilator near the connector, and the reliability of the connection part is improved. The protruding pin 7 is a stepped screw 3 described later.
It is formed integrally with 2. FIG. 7 is a diagram showing the positioning of the main body and the dilator. 8 and 9 are diagrams showing that the main body and the dilator are further electrically connected. The protruding pin 7 is made of a conductive member. In FIG. 8, 2
Reference numeral 2 denotes a trapezoidal coil spring, which is arranged in the conical storage portion 22 below the bit insert 17. When the projecting pin 7 is fitted into the engaging hole 16, the pin tip comes into contact with the trapezoidal spring, and the GND portion 20 of the substrate 18 comes into contact with the projecting pin 7 via the bit insert 17 and the screw 19 with which the trapezoidal spring 22 comes into contact. It will be conducted. If the projecting pin 7 is fixed so as to be connected to the GND in the dilator, the main body and the dilator can be electrically connected. Any method may be used to fix the protruding pin 7.

In FIG. 9, the spacer 23 is a metal member with a flange, and the bit insert 17 is press-fitted into the boss 76. The engagement hole 16 and the protruding pin 7 are in a slightly press-fitting dimension relationship. Also with this configuration, the main body and the dilator can be electrically connected in the same manner as described with reference to FIG.
Furthermore, if the inner wall of the main body is plated, the contact surface 2
4 also allows the protruding pin 7 and the main body to be electrically connected. 7 to 9, the space and space between the main body and the dilator can be positioned and the electrical continuity can be secured.

11 to 19 show the structure of the detaching mechanism unit of the main body including the movable claw, the connector, the detaching lever and the like and the expander. 11 to 13 are overall views of the unit, and FIG.
15 is a locking lever drive mechanism diagram, and FIGS.
It is an interlocking mechanism figure of a separation lever, a movable claw, and a separation cap.

First, the interlocking operation of the separation lever 8, the movable claw 6, and the separation cap 26 will be described. 11 to 13, the separating lever 8 is attached to the upper chassis 28 by the separating lever shaft 52.
And is rotatably supported on the lower chassis 29.
When the separating lever 8 is opened up to the position B in FIG. 16, the stopper 78 of FIG. 17 provided on the back side of the fan portion 64 contacts the stopper 79 of the lower chassis and cannot be opened any further. On the contrary, when the separating lever is closed, the separating lever locking convex portion 48 is engaged with the bracket locking convex portion 49. The movable claw 6 is the claw body 6
3 (FIG. 18), and is rotatably attached to the lower chassis 29 by the movable claw shaft 50. The separation cap 26 is positioned and fixed to the upper chassis 28 by a positioning boss 66 (FIG. 17) and a locking claw 65 (FIG. 17). The separation lever 8 has a fan-shaped cam shape around the rotation center. Release cam 54 (FIG. 17),
The lock cam 55 (FIG. 17) has a cam profile whose height changes in proportion to the rotation angle. The cam 53
It is a lift-up cam for the separation cap 26.

The cam operation will be described with reference to FIGS. When the separating lever 8 is closed, the movable claw roller 68 moves the cam 5
After being pushed up by 5, the movable claw 6 is in contact with the straight portion 80 of the lock cam 55, and the movable claw 6 is in a position to be locked to the main body. Here, the roller 68 is rotatably attached to the main body 63 of the movable claw by a roller shaft 69. When the separation lever 8 is opened, the release cam 54 pushes down the roller 68, and at the position A, the roller 68 is released.
4 comes into contact with the straight portion 81. At this time, the movable claw 6 is at the G position in FIG. 18, and the engagement with the main body is released. When the release lever 8 is further opened to the B position,
The cam 53 pushes up the lift slope 67 of the separation cap. The separation cap 26 is an elastic plastic member, and at this time, the cap head is lifted by elastic deformation to push up the main body and separate the main body and the connector of the dilator. To close the separating lever 8, follow the reverse of the above.
The lock cam surface 55 pushes up the roller 68, and the movable claw 6 is locked to the main body.

14 and 15 show a structure relating to a locking lever which prevents the opening and closing of the separating lever when it is closed. The locking lever 41 is locked to the receiving portion 47 of the separating lever 8 in the state where the separating lever 8 is closed (see also FIG. 11), and prevents the separating lever 8 from opening. Lock lever 4
1 and the locking sensor lever 44 (FIG. 11) are integrally formed via a shaft 58, and the bracket 31 (FIG. 13, FIG. 1).
It is attached to 4) rotatably. A locking lever drive cam 40 is integrally formed with the helical gear 56 via a shaft 57 and is rotatably attached to the bracket 31. The deceleration worm 39 and the deceleration helical gear 38 have a shaft 60.
It is integrally formed together with and is rotatably attached to the bracket 31. 37 is a worm of the motor 30,
The motor 30 is attached to the bracket 31. When the motor is rotated forward, the locking lever drive cam is
When the motor is rotated in the direction I at
The locking lever cam is configured to rotate in the J direction in FIG.

Reference numeral 82 (FIG. 15) is an arm portion that is driven by the cam 40 and is integral with the locking lever 41. Reference numeral 61 is an integral part of the lock sensor lever 44 and turns the lock sensor 43 ON / OF.
It is a sensor cam that performs F.

When the separation lever 8 is locked, the motor is rotated forward and the cam 40 is rotated in the I direction. At this time, the arm portion 82 of the locking lever is released from contact with the cam 40, the locking lever 41 is locked by the urging force of the tension coil spring 45 to the receiving portion 47, and the sensor cam 61 switches the switch of the sensor 43. Push ON. The drive of the motor is stopped by the detection of the ON signal.

When the lock is released, the motor is rotated in the reverse direction and the cam 40 is rotated in the J direction. The cam 40 pushes up the locking lever arm portion 82, the locking lever 41 moves to the E position, and the locking to the separating lever 8 is released. When the OFF of the sensor 43 is detected, the driving of the motor is stopped. Reference numeral 62 denotes a locking lever releasing portion in case of emergency, and a hole of about φI to φ3 is provided below. Inserting a pin or the like into this hole from the bottom surface of the dilator and pushing up the release portion 62 can release the locking of the locking lever.

As described above, since the locking lever 41 is locked to the receiving portion 47 at the tip of the separating lever, the locking lever is advantageous in strength as compared with the case of locking near the rotation center of the separating lever. In addition, the coupling lever can be locked without being loose. In addition, the movable claw 6, the separating lever 8, the locking lever 4
Since the primary mechanism such as 1 is configured by the rotating system, a trouble such as biting in the slide mechanism is unlikely to occur, and reliability of operation is enhanced.

Next, attachment of the connector substrate will be described mainly with reference to FIGS. 11 and 19. The protruding pin 7 and the stepped screw 32 are formed integrally. 70 is a pin taper part, 71 is a pin straight part, which fits in the insert part hole 16 of the main body. 72 is a hexagonal part for mounting, 73 is a flange part for preventing board coming off, 74 is a shaft part, 7
5 is a screw part. The connector 4 is fixedly installed on the substrate 34, and by the flexible cable 33 (FIG. 11),
It is movably connected to the main board of the dilator. The rubber damper 35 and the sliding sheet 36 are attached by an adhesive double-sided tape or the like so as to move integrally with the substrate 34. Then, the hole portion 7 that is slightly larger than the shaft portion 74 of the stepped screw is used.
7 is provided. With this structure, even if the position of the main body and the dilator is slightly shifted, the board absorbs the position shift and moves, so that a large load is not applied to the connector.

Further, in the present invention, since the stepped screw is arranged on the extension line of the connector center on both sides of the connector, the inclination of the connector at the time of insertion / removal can be reduced and the reliability of the connector portion is improved. FIG. 24 shows a conventional example, in which the fastening position is displaced from the connector center. A moment is generated at the time of insertion / removal, and the board and the connector may be tilted, so that the contact reliability and durability of the terminal may be reduced.

Next, an electronic lock control system for driving the locking lever 41 will be described. FIG. 20 is a block diagram. The main body includes a CPU 1 for performing processing of a personal computer, and is connected to a signal of a release instruction means B1 such as a lock release button. The dilator has a controller, which monitors the signals from the detection terminal S1 of the connector, the coupling lever detection sensor S2, and the locking lever detection sensor S3 to drive the motor M1.
It controls the stoppage, judges the coalescence state, and judges whether the dilator can be processed. S2
Is a coupling lever sensor 42, S3 is a locking sensor 43, and M1 is a motor 30. B2 is a release switch.

FIG. 21 is a diagram showing an example of connector connection detection. The main body side connectors Pin1 and Pin2 are GND shorted, and the machine side connectors Pin1 and
Pin2 is used as GND and detection terminal S1. Normally, S1 applies a potential and detects GND at the time of connection.

FIG. 22 shows a flow when the electronic lock is applied. First, the separation lever is opened (step S1), the movable claw 6 of the dilator is brought to the combining position, and the main body is combined (step S2). The connectors are fitted and the connector connection is detected (S1: ON) (step S3). Next, when the separation lever is closed (step S4), the sensor protrusion 46 of the separation lever turns on the sensor as shown in FIG. 11, and it is detected that the separation lever is closed, that is, the movable claw is locked to the main body. Yes (S2: ON) (step S5). S1, S
When the union is recognized in 2, the motor is driven to lock the locking lever on the separating lever (step S6). When locked, the locking sensor S3 is turned on (step S7),
The controller determines that the lock is completed (step S
8). Here, the controller enables processing between the main body CPU 1 and devices of the extender not shown in the block diagram.

FIG. 23 shows a flow of releasing the electronic lock.
When the lock release instruction is issued by B1 or B2 (step S11), the CPU 1 and the controller cooperate to perform processing for enabling the main body and the expander to be separated (step S1).
2). When the processing is completed, the controller rotates the motor in the reverse direction (step S13), turns the locking lever to the unlocking side, and ends when the sensor S3 detects the release (steps S14 and S15).

As described above, the connection detection of the combined connector,
By detecting the mechanical lock and the electronic lock of the union, and checking the union state in a three-stage manner, the union can be reliably performed, and erroneous separation can be prevented.

In the present invention, the functions of the main body and the dilator are not limited to the above embodiment. For example, as shown in FIG. 25, the expansion device may be a device having a speaker unit 83 and enhanced sound functions, or as shown in FIG. 26, an expansion device having a built-in printer 84 and having a printing function. .

[0027]

As described above, according to the present invention,
It is possible to provide a highly reliable and compact electronic device that can be accurately positioned so as to be separable and united.

[Brief description of drawings]

FIG. 1 is a diagram illustrating a configuration of a main body and an expander according to an embodiment of the present invention.

FIG. 2 is a perspective view of a conventional electronic device.

FIG. 3 is a perspective view for explaining a method of uniting the main body and the dilator.

FIG. 4 is a bottom view showing the back surface of the main body.

FIG. 5 is a side view for explaining a method of uniting the main body and the dilator.

FIG. 6 is a side view for explaining a method of combining the main body and the dilator.

FIG. 7 is an enlarged view showing a state in which the pin of the dilator is engaged with the engagement hole of the main body.

FIG. 8 is an enlarged view showing a state in which the pin of the dilator is engaged with the engagement hole of the main body.

FIG. 9 is an enlarged view showing a state in which the pin of the dilator is engaged with the engagement hole of the main body.

FIG. 10 is an enlarged view for explaining the shape of a fixed locking claw.

FIG. 11 is a plan view showing a uniting mechanism inside the dilator.

FIG. 12 is a side view showing a coalescing mechanism inside the dilator.

FIG. 13 is a side view showing a coalescing mechanism inside the dilator.

FIG. 14 is an explanatory diagram of a locking lever mechanism.

FIG. 15 is an explanatory diagram of a locking lever mechanism.

FIG. 16 is a diagram showing a cam-shaped portion of a coupling lever,
It is a figure for explaining that a movable nail and a separation cap are driven.

FIG. 17 is a diagram showing a cam-shaped portion of a coupling lever,
It is a figure for explaining that a movable nail and a separation cap are driven.

FIG. 18 is a diagram showing a cam-shaped portion of a coupling lever,
It is a figure for explaining that a movable nail and a separation cap are driven.

FIG. 19 is a diagram showing a state in which the connector board of the dilator is attached to the chassis body so as to be finely movable by means of stepped screws.

FIG. 20 is a block diagram of a control system for combination / separation.

FIG. 21 is a diagram showing an example of detection of a combined connector.

FIG. 22 is a flowchart at the time of merging.

FIG. 23 is a flowchart at the time of separation.

FIG. 24 is an explanatory diagram of a conventional electronic device.

FIG. 25 is a diagram of another embodiment of the present invention.

FIG. 26 is a diagram of another embodiment of the present invention.

[Explanation of symbols]

 1 Main Body 2 Expander 3 Main Body Connector 4 Expansion Machine Connector 5 Fixed Claw 6 Movable Claw 7 Engagement Pin 8 Separation Lever 14 Claw Locking Hole on Bottom of Main Body 15 Claw Locking Hole on Bottom of Body 16 Pin Engagement Hole 17 Main Body Bit Insert 21 Trapezoidal compression coil spring 23 Insert with flange 27 Separation cap head 28 Upper chassis 29 Lower chassis 30 Motor 32 Stepped screw 34 Connector board 35 Damper rubber 36 Sliding sheet 40 Locking lever drive cam 41 Locking lever 42 Release lever sensor 43 Locking Sensor 44 Locking sensor lever 45 Locking spring 47 Locking sensor receiving part 50 Movable claw shaft 52 Separation lever shaft 53 Cap lift cam 54 Release cam 55 Lock cam 59 Locking part 61 Locking sensor cam 62 Locking releasing part 63 Movable claw body 67 Cap cam 68 Cam roller 69 b La shaft 76 bit insert boss 77 substrate hole

Claims (4)

[Claims] 1. An electronic device in which a main body and a dilator are detachably united with each other, a protruding pin is provided on an upper surface of the dilator, and a fitting hole portion for fitting the protruding pin is provided on a bottom surface of the main body. An electronic device characterized by being provided in an insert portion. 2. The electronic device according to claim 1, wherein the main body and the expander are electrically connected to each other by the projecting pin of the expander and the fitting hole portion of the main body. 3. The projecting pin is formed of a conductive member, and a spring is arranged in a space facing the projecting pin of the bit insert portion arranged in the fitting hole, so that the projecting pin fits. 3. The electronic device according to claim 2, wherein the protruding pin and the bit insert portion are electrically connected to each other via a spring when fitted into the dowel hole portion. 4. The projecting pin is formed of a conductive member, and an upper portion of the conductive spacer is press-fitted into the bit insert portion and a lower portion of the conductive spacer has an engaging hole for engaging with the projecting pin in the fitting hole portion of the main body. The electronic device according to claim 2, wherein the electronic device is disposed in the.