JP5073563B2 - Case mutual connection unit and portable terminal - Google Patents

Description

  The present invention relates to a mutual connection unit that foldably connects a display side case to one end of an operation side case via a hinge, and a mobile phone or other mobile phone configured using the connection unit. The present invention relates to a portable terminal such as a type wireless terminal.

In recent years, a portable terminal such as a cellular phone has various functions such as a mail communication function, an Internet function, a digital camera function, a television broadcast reception function as well as a telephone communication function, and can process various information.
As described above, in a multi-function mobile terminal, an operation-side casing having various operation functions and a wireless transmission function, and a display-side casing having various display functions and a wireless reception function (most of which are vertically long) ) Are connected in a foldable manner, it is inconvenient when viewing various input / operation tasks, their results, and various images on the screen.

In order to solve the above-described problems, the vertically long operation side casing and the display side casing are connected to each other via a hinge part so that the display side casing can be folded, and the display side casing is rotated 90 degrees as necessary. There has been proposed a mobile terminal configured to be selectively converted into a posture and a horizontally long posture. (Refer to FIGS. 1 to 7 of Patent Document 1 described later. Hereinafter, referred to as “first conventional example”.)
In this portable terminal, a support plate is attached to the hinge portion along the length direction, and a pair of engagement pins that can be projected and retracted coaxially on both sides in the width direction of the support plate (same as the length direction of the hinge) A guide groove extending from the direction of the hinge toward the distal direction and facing the inner side of the display side housing corresponding to the engagement pin and having bearing recesses at both ends is formed. The engaging pin is guided to the opposing guide groove. Then, when changing the posture of the display-side housing from the vertically long posture to the horizontally long posture, the display-side housing is rotated so as to be in the horizontally long posture around the engagement pin, and in this state, the display-side housing is Operate to slide in the opposite direction of rotation.

Further, a hinge portion is provided along the width direction at one end portion of the vertically long operation-side housing, and the display-side housing is rotated in a state of being upright with respect to a plane parallel to the axis of the hinge portion. Another portable terminal has been proposed in which the operation side casing and the display side casing can be folded by connecting to the hinge portion. (See Patent Document 2 below. Hereinafter, referred to as “second conventional example”.)
For example, when this portable terminal is used as a videophone or a video camera with a monitor that simultaneously transmits an image of the scenery that the user is looking at and the facial expression of the user, the display-side casing having a monitor screen is used as the operation-side casing. After rotating 90 degrees with respect to the body, the display-side casing is rotated 90 degrees with the support shaft so that the monitor screen faces in the horizontal direction.

As shown in the first conventional example, the display-side casing is selectively changed into a vertically-oriented posture and a horizontally-oriented posture, or as in the second conventional example, the display-side housing is displayed in the horizontal direction. If it can only be rotated and used, it is still inadequate for a multi-function mobile terminal.
This is because this type of mobile terminal is not always used in the state of being held by hand. For example, it can receive a television broadcast while it is placed on a table or exchange e-mail on the Internet. When it is used as a video monitor, it is rather convenient to use it with the operation side housing placed on the table. Further, it is more desirable that the display posture of the display-side housing can be changed in various ways as the number of functions increases.

Further, in the first conventional example, the thickness of the entire display-side casing is increased due to the structure, and the display-side casing is in a landscape orientation when the display-side cabinet is changed to a landscape orientation. Since the display side housing must be slid in the direction of the hinge part after rotating in such a manner, it is necessary to operate in the reverse order described above when changing the display side housing from the horizontally long posture to the vertically long posture. The posture change operation was cumbersome and was not convenient.
JP 2004-215180 A JP 2001-169166 A

An object of the present invention is to improve the variety of posture changes of a display-side housing and to improve the posture changing operation in a connection unit between housings in a portable terminal or a folding structure electronic device (for example, a notebook personal computer). is there.
An object of the present invention is a connection unit for connecting a display-side housing to an end of an operation-side housing so as to be foldable via a hinge portion. An object of the present invention is to provide a connecting unit between cases which can be changed in various ways.
Another object of the present invention is to provide a case-to-case connection unit that is easier and smoother to change the posture of the display side case with respect to the operation side case.

In order to solve the above-mentioned problem, a first mutual connection unit according to the present invention is a connection unit that connects a display-side housing to one end of an operation-side housing via a hinge portion.
A bearing base that is attached to the hinge portion, a support shaft that is rotatably attached in a state of being upright with respect to the bearing base, and a twisting direction integrally with the support shaft in a state of being upright with respect to the bearing base A base plate that is mounted to rotate, a state that is rotatable along the front side of the base plate, is slidable for a predetermined stroke in the direction of the bearing base, and the display-side housing partially overlaps the front side And a plate cam attached in
The plate cam is spring-biased in the direction of the bearing base, and the posture of the plate cam with the display-side housing as a vertically long posture is the reference posture, and the plate cam is 90 degrees in at least one direction from the reference posture. Controlled to stop when rotating,
The main feature of the base plate is that the base plate is controlled so as to stop when the base plate is rotated 180 degrees in at least one direction from the front-facing state.

In order to solve the above-mentioned problem, the second casing mutual connection unit according to the present invention is a connection unit that connects the display-side casing to one end of the operation-side casing via a hinge portion.
A guide rail that is attached to the hinge portion along the length direction, a bearing base that is slidably held along the length direction on the guide rail, and can rotate while standing vertically with respect to the bearing base. A support shaft attached to the support shaft, a support plate orthogonal to the tip of the support shaft and having one end attached so as to rotate integrally therewith, slidably held along the length direction of the support plate, and A base plate having a slide rail portion having substantially the same length as the hinge portion, and can be rotated along the front side of the base plate and slidable for a predetermined stroke in the direction of the bearing base. And a plate cam that is attached in a partially overlapping state,
The bearing base and the support plate are respectively arranged in a state where the support shaft is located on the middle in the longitudinal direction of the hinge portion when the plate cam is in a reference posture in which the display-side housing is in a vertically long posture ,
The plate cam is in the reference posture, the base plate is slid to the limit in the direction of the other end of the support plate, and the bearing base is reversed along the guide rail in the sliding direction of the base plate. When sliding to the limit in the direction, the support shaft is configured to be positioned on one end side of the slide rail portion and the hinge portion,
The plate cam is spring-biased in the direction of the bearing base , and is controlled to stop when the plate cam is rotated 90 degrees from the reference posture in at least one direction,
The main feature of the base plate is that the base plate is controlled so as to stop when the base plate is rotated 180 degrees in at least one direction from the front-facing state.

According to the first coupling unit of the present invention, the display side housing is attached to the front side of the plate cam so as to partially overlap, and the bearing is connected to the hinge portion provided at one end of the operation side housing. When the base is attached along the length direction, both housings are connected by the connecting unit.
When the display-side casing and the operation-side casing are relatively rotated by the hinge portion, both casings are closed or opened in a folded shape.
When the plate cam is in the standard posture and the display-side housing is in the vertically long standard display mode as in, for example, a mobile phone, the display-side housing is slid against the base plate with the plate cam against the spring bias. When it is rotated in one direction, it rotates 90 degrees and stops in a landscape orientation. When the display-side casing in the landscape orientation is rotated 90 degrees in the opposite direction while sliding against the spring bias, the display-side cabinet is converted from the landscape orientation to the portrait orientation and stops.
Further, the display-side casing is in a vertically or horizontally oriented state opened at a predetermined deployment angle with respect to the operation-side casing, and is rotated 180 degrees when rotated in one direction around the support shaft. To do. When the display-side casing is rotated in the reverse direction from this state, the display-side casing is rotated by 180 degrees and is stopped when the original state is restored.
By combining the above operations, the display-side casing can be used in various ways with respect to the operation-side casing.
In addition, after the display-side casing is manually moved and slid against the spring bias while moving in a desired rotation direction, the display-side casing is rotated by 90 degrees in the rotation direction by operating by the spring. Converted. Therefore, the operation for changing the posture of the display-side housing is simpler and smoother.

According to the second connection unit of the present invention, the display side housing is attached to the front side of the plate cam so as to partially overlap, and the support is provided to the hinge portion provided at one end of the operation side housing. When the guide rails holding the shaft are attached along the length direction, both housings are connected by the connecting unit.
Since the slide mechanism for rotating the plate cam relative to the base plate and the torsional rotation mechanism for the bearing base of the base plate via the support shaft are the same as the first connecting unit, the second connecting unit is In that limit, the same effect as the first connecting unit is obtained.
The second connecting unit has a slide mechanism for the guide rail of the support shaft via the bearing base, and a slide mechanism for the support shaft of the base plate via the support plate. Each slide mechanism can be used by changing the attitude of the display-side housing with respect to the operation-side housing.

The best mode of the connection unit according to the present invention and the form terminal using the connection unit will be described with reference to the drawings.
First Embodiment FIG. 1 is a partially exploded perspective view of a mobile terminal using a connection unit according to a first embodiment of the present invention, and FIG. 3 is an enlarged exploded perspective view of a support shaft mounting portion in the connection unit of FIG. 2, FIG. 4 is a partial cross-sectional view along arrow AA in FIG. 2 (when the display-side casing is in a vertically long state), FIG. FIG. 4 is a partially enlarged front view of the connecting unit when the display-side casing in FIG. 4 is changed to a horizontally long state, and FIGS. 6 to 13 are main views of the display-side casing in the portable terminal using the connecting unit of the first embodiment. It is a schematic perspective view which shows the state of various posture changes.

This portable terminal is a folding-type mobile phone, and both the vertically long operation-side casing 3 and the display-side casing 4 are connected to a hinge portion 7 provided at an end of the operation-side casing 3 and a connecting unit a. And are foldably connected to each other.
As shown in FIG. 6 and subsequent figures, the operation side housing 3 is provided with an operation unit 30 including a large number of operation keys on the front side and a transmission unit (not shown), and the display side case 4 has a display screen on the front side. And a receiving unit (not shown).

The connection unit a rotates in a state where the bearing base 5 is fixed along the length direction to the hinge portion 7 attached to one end portion of the operation-side housing 3 and stands up at right angles to the bearing base 5. A support shaft 6 that can be attached, a base plate 1 that is attached to the support shaft 6 so as to rotate integrally in the torsional direction along the axial direction, and a direction of the support shaft 6 toward the front side of the base plate 1 And a plate cam 2 held in a rotatable state so as to be slidable by a predetermined stroke.
The plate cam 2 is configured so that the display unit housing 4 is partially overlapped with the front side.

The plate cam 2 is constantly urged by a spring 13 in the direction of the support shaft 6, and the plate cam 2 is in a reference posture (the display side housing 4 attached to the plate cam 2 is the operation side housing 3. Of the plate cam 2 when it is opened at a predetermined angle with respect to the operation side housing 4 from the folded state, that is, the posture of the plate cam 2 when the display side housing is in the standard display mode. say.) it is configured to be controlled to stop when along the base plate 1 has been rotated 90 degrees to at least one direction from.

In this embodiment, the bearing base 5 is made of a metal plate such as SUS processed into an angle cross section, and has a flat plate portion 50 parallel to the hinge portion 7, and the flat plate portion 50 is the hinge portion. The vertical portion is configured to be attached to the rotating portion of the hinge portion 7 with a screw in a state where it floats a predetermined amount from the height 7.
The base plate 1 has a flat plate portion 16 parallel to the flat plate portion 50 below the U-shaped cross-section portion 16a facing the front at the base end portion.

The support shaft 6 is supported so as to be rotatable and movable in the axial direction in a state in which a base end portion passes through a bearing hole 51 formed in a substantially central portion of the flat plate portion 50. A protruding portion 6 a that contacts the back surface of the flat plate-like portion 50 is formed at a portion that protrudes toward the bottom.
The support shaft 6 has a flat cross-sectional non-circular portion 6 c formed continuously to the circular cross-section 6 d in a state where the circular cross-section 6 d continuous to the flange 6 a is accommodated in the bearing hole 51. And is penetrated from the back side of the flat plate-like portion 50.
In this state, the spring receiver 61 is mounted on the non-circular section 6c so as to move in the axial direction and rotate integrally, and the coiled spring 60 and the reverse cup-shaped shaft cover 62 are mounted in order. In a state where 60 is compressed, the tip end portion of the support shaft 6 is fixed by caulking so as to rotate integrally with the flat plate portion 16 of the base plate 1 and the hole in the upper bottom portion of the shaft portion cover 62.

  A stopper portion 6b projecting in the circumferential direction is formed on a part of the flange portion 6a of the support shaft 6, and the support shaft 6 extends in one direction (in this embodiment, as shown in FIG. When rotating at least 180 degrees clockwise (in FIG. 3), one end in the circumferential direction of the stopper 6b hits, and when the support shaft 6 rotates 180 degrees in the opposite direction from the bumped state, the circumference of the stopper 6b A stopper 53 (FIG. 3) against which the other end of the direction abuts is provided in a protruding state.

The support shaft 6 is preferably arranged so that its axis intersects with the axis of the hinge portion 7 at right angles, but the axis of the support shaft 6 is parallel to a plane parallel to the support axis of the hinge portion 7. Therefore, it may be arranged so as to be at a right angle at a position slightly away from the support axis.
The support shaft 6 is hollow (consists of a short tubular member) so that an electric wire can be passed through when electrically connecting the component mounted on the operation-side housing 3 and the component mounted on the display-side housing 4. ) Axis is used.

The base plate 1 is obtained by cutting a metal plate such as SUS into a state shown in the drawing and partially bending a necessary portion, and an upper portion of the base plate 1 is a long hole slide guide along the axial direction of the support shaft 6. 11 and a guide pin 12 that stands upright from the slide guide 11 on the front side of the support shaft 6 in the direction extension (upward extension of the slide guide 11). This guide pin 12 has a flange 12a at the top, a roller (or bearing metal) 12a attached to the shaft portion to reduce sliding friction, and a mounting hole 12b formed in the base plate 1 at its shaft end (see FIG. It is fixed to the base plate 1 by crimping to 1) (FIG. 2).
On the other hand, the plate cam 2 made of a metal plate such as SUS is provided in a state of rotating while sliding along the slide guide 11.

In this embodiment, the plate cam 2 is fixed to an attachment shaft 21 that is rotatably held on a slide plate 15 that is slidably attached along the slide guide 11 on the back side of the base plate 1. Thus, it is configured to rotate while sliding along the slide guide 11.
The slide plate 15 is formed with a bearing portion 15a centering on one point on the center line in the width direction of the slide guide 11. The bearing portion 15a has a pair of upper and lower bearings having an arcuate inner edge and facing in the vertical direction. It is comprised by the piece 150,150. Both side portions of both bearing pieces 150, 150 are integrated by opposing arc-shaped sliding plates 151, 151 that are in sliding contact with the back surface of the base plate 1 at both side portions of the slide guide 11.
On the upper part of the slide plate 15, a spring receiving piece 152 that receives one end of one arm portion of the spring 13 described later is formed so as to protrude to the back side.

The mounting shaft 21 is hollow (consists of a short tubular member) so that an electric wire can be passed through when electrically connecting the component mounted on the operation side housing 3 and the component mounted on the display side housing 4. ) Axis is used.
The mounting shaft 21 has a slightly large diameter step portion 211 and a flange portion 210 continuous with the step portion, and the inner edge portion of the bearing portion 15a (bearing pieces 150, 150) of the slide plate 15 is connected to the step portion 211. In this state, the shaft portion of the mounting shaft 21 is passed from the back side of the base plate 1 to the slide guide 11, and the shaft end of the mounting shaft 21 is caulked to the mounting hole 24 (FIGS. 1 and 2) of the plate cam 2. It is fixed by stopping.
In this state, both side portions of the bearing pieces 150, 150 are in sliding contact with the inner edge portions on both sides of the slide guide 11 of the base plate 1, and the slide plates 151 of the slide plate 15 are moved to the back surfaces of both sides of the slide guide 11 of the base plate 1. It will be in the state of sliding contact.
Note that a roller or a bearing metal (not shown) can be attached to the contact portion of the mounting shaft 21 with the bearing portion 15a in order to reduce sliding friction.

The guide pin 12 is guided to the outer periphery of the plate cam 2 when the plate cam 2 is in the reference posture, and the plate cam 2 is moved 90 degrees in both directions from the reference posture along the surface side of the base plate 1. Recesses 23 in which the guide pins 12 are guided when rotated are formed.
In this embodiment, the concave portion 23 includes a first concave portion 230 to which the guide pin 12 is guided when the plate cam 2 is in a reference posture (the display-side housing 4 is in a vertically long posture), and the plate cam 2 (and A second recess 231 in which the guide pin 12 is guided when the display-side housing 4) is rotated 90 degrees clockwise from the reference posture along the front of the base plate 1, and the plate cam 2 (and the display unit) And a third recess 232 through which the guide pin 12 is guided when the housing 4) is rotated 90 degrees counterclockwise from the reference posture.
Only one of the recesses 231 and 232 can be formed so that the display-side housing 4 fixed to the plate cam 2 stops when the display-side housing 4 is rotated 90 degrees only in any one direction.

After the base plate 1 and the plate cam 2 having other parts except the spring 13 are combined as described above, the spring 13 is attached to the back side of the base plate 1, and the plate cam 2 is attached to the support shaft by the spring 13. Spring is biased in the direction of 6.
In this embodiment, the spring 13 is a torsion spring, and has one (fixed side) arm 131 continuous with the spiral coil portion 130, the outer peripheral coil of the spiral coil portion 130, and the inner peripheral coil of the spiral coil portion 130. The other arm (movable side) arm 132 is continuous.
The spring 13 locks or fixes the end of the arm 131 on the fixed side so as not to be disengaged from a locking piece (not indicated) formed on the upper end on the back side of the base plate 1. The end portion is received inside the spring receiving piece 152 of the slide plate 15, and the plate cam 2 is biased to the above state by the elastic force acting in the opening direction of the spring 3. At this time, the outer peripheral portion of the spiral coil portion 130 of the spring 13 is stabilized by being pressed by a pressing piece 14 (FIGS. 1, 4 and 5) integrally formed by cutting and raising the back side of the base plate 1.

The internal structure of the display-side housing 4 in FIG. 1 is omitted, and screws (not shown) that pass through a plurality of shaft insertion holes 41 formed at the bottom of the display-side housing 4 protrude toward the front side of the plate cam 2. Thus, for example, by screwing to each boss-like nut portion 20 formed by fleshing, the lower portion of the display side housing 4 is fixed to the plate cam 12.
A plurality of boss-like nut portions 10 are formed on the base plate 1 so as to protrude to the back side, and the boss-like nut portions 10 are used to bring the back side of the base plate 1 to the back side as shown in FIG. For example, a cover 4a made of plastic or the like is attached. The cover 4a covers the entire back surface and the lower part of the base plate 1, and the bearing base 5 including the support shaft 6 is covered with another cover 4b.

In the mobile terminal in which the casings 3 and 4 are connected as described above using the connection unit a of the first embodiment, the mobile terminal is in the basic use mode, and the display-side casing 4 is In the reference posture (vertical posture in which the display unit is in the reference display mode), the connecting unit a is in a state in which the guide pin 12 of the base plate 1 is guided to the first recess 230 of the plate cam 2 as shown in FIG. It is.
At this time, the display-side casing 4 is opened at an angle of about 150 to 170 degrees with respect to the operation-side casing 3 as shown in FIG. 6, and the casings 3 and 4 are usually overlapped in this angular range. However, since the rotating part of the hinge part 7 is braked by a spring, the display-side casing 4 opens at an arbitrary angle with respect to the operation-side casing 3 as shown in FIG. Can be stopped.

For example, in order to convert the display-side housing 4 from the reference posture (vertical posture) in FIG. 7 to a horizontally long posture rotated 90 degrees clockwise, the display-side housing 4 is pushed up (or lifted) along the base plate 1. ) Rotate clockwise. At this time, the plate cam 2 rotates while sliding upward along the slide guide 11.
When the display-side casing 4 is rotated 90 degrees clockwise, the plate cam 2 is spring-biased downward, so that the guide pin 12 is guided to the second recess 231 of the plate cam 2 as shown in FIG. The display-side housing 4 is rotated 90 degrees clockwise to change the posture to the horizontally long state as shown in FIG.
When the display-side housing 4 is rotated 90 degrees counterclockwise from the reference posture, the display-side housing 4 changes its posture to a horizontally long state in the reverse direction of 180 degrees as shown in FIG.

The portable terminal is supported when the display-side casing 4 is rotated from any of the portrait orientations to any orientation as described above, changed to the landscape orientation, returned from the landscape orientation to the portrait orientation, and as described later. When the display unit housing 4 is rotated 180 degrees in the twisting direction using the shaft 6 and turned in the reverse direction, the display mode of the display side housing 4 is changed to an appropriate display mode according to the change in the posture. Each switch (not shown) is provided so that the display screen is automatically converted.
In the display mode in the state of FIG. 8 or FIG. 9, for example, it is suitable for reading a mail created or received, viewing a television broadcast, or watching a moving image.

  When the display housing 4 is rotated 90 degrees so as to be twisted clockwise, the display posture of the display housing 4 is converted from the reference posture in FIG. 7 to the horizontal posture shown in FIG. The This display posture is convenient for listening to television broadcasts and watching videos.

  The display-side casing 4 is rotated 180 degrees so as to be twisted clockwise from the reference posture, and the display-side casing 4 is rotated 90 degrees in one direction with respect to the base plate 1 to enter the horizontal display mode as shown in FIG. In other words, when the operation-side housing 3 is used on a table, for example, the whole is stable due to the gravitational balance, which is suitable for listening to a television broadcast or watching a moving image.

When the display-side casing 4 is rotated 180 degrees in the clockwise direction from the reference posture, folded in the opposite direction to the display-side casing 4 so as to overlap the operation-side casing 3, and folded as shown in FIG. The balance is more stable due to the balance, and it is suitable for listening to television broadcasts and watching videos.
Further, from this state, the display-side housing 4 can be used by changing the posture to the horizontally long state as shown in FIG.

According to the connection unit a of the first embodiment, when the operation-side housing 3 and the display-side housing 4 are connected using this, the orientation of the display-side housing 4 is changed with respect to the operation-side housing 3. Since it can be used in various ways as described above, it is possible to select various usability according to the purpose of use.
The display-side casing 4 is rotated from one portrait orientation to another in a landscape orientation by rotating in one direction or the opposite direction while sliding in the slide direction of the plate cam 2 against the spring bias against the base plate 1 or Since the posture is converted in the opposite direction, the conversion operation to various display posture conversion becomes easier and smoother.
Furthermore, since the roller 12a is attached to the guide pin 2, the rotation operation of the display side housing 4 becomes smoother.

Second Embodiment FIG. 14 is a partially exploded perspective view showing a second embodiment of the connecting unit a according to the present invention, FIG. 15 is an enlarged partial longitudinal sectional view of the central portion in the assembled state of the connecting unit in FIG. 14, and FIG. FIG. 17 is a partially enlarged exploded perspective view showing a related configuration of a support shaft and its adjacent members in 14 connection units, and FIG. 17 is a partially enlarged plan view showing a state in which the casings of the folding cellular phone using the connection unit in FIG. 18 is a perspective view of a state in which the folding mobile phone is opened when the connecting unit is in the state shown in FIG. 17, and FIG. 19 is a diagram showing a support shaft attached to the bearing base of the connecting unit in the mobile phone shown in FIG. FIG. 20 is a partial front view showing a state where the guide rail is slid to one end of the guide rail. FIG. FIG. 21 is a partial front view of the connecting unit in a state in which the support shaft held on the bearing base is slid to one end of the guide rail from the state shown in FIG. 22 to 28 are schematic perspective views respectively showing the characteristic posture change states of the display-side casing in the mobile phone using the connection unit of the second embodiment.

The connecting unit a includes a guide rail 8 attached to the hinge portion 7 (FIG. 17) along the length direction, a bearing base 5 slidably held along the length direction to the guide rail 8, and the bearing. A support shaft 6 is provided so as to be able to rotate while standing vertically with respect to the base 5.
A slide rail portion 18 is provided at the lower end portion of the base plate 1 so as to be parallel to the upper side of the guide rail 8 and substantially the same length as the hinge portion 7.
One end of a support plate 9 is attached to the tip of the support shaft 6 so as to be orthogonal to and integrally rotate with the support shaft 6, and to the support plate 9 via the slide rail portion 18. The support plate 1 is slidably held.

A plate cam 2 is held on the front side of the base plate 1 so as to be rotatable along the front side and slidable for a predetermined stroke in the direction of the bearing base 5. The display-side casing 4 is attached in a state where it partially overlaps.
The bearing base 5 and the support plate 9 are respectively arranged in a state where the support shaft 6 is located on the middle in the length direction of the hinge portion 7 when the plate cam 2 is in the reference posture.
Further, the plate cam 2 is in a reference posture, the base plate 1 slides to the limit in the direction of the other end of the support plate 9, and the bearing base 5 extends along the guide rail 8 with the base The support shaft 6 is configured to be positioned on one end side of the slide rail portion 18 and the hinge portion 7 when the plate 1 slides to the limit in the opposite direction of the slide direction.
That is, when the base plate 1 is rotated torsionally with respect to the hinge portion 7, the rotation axis is shifted from the central portion in the longitudinal direction of the hinge portion 7 and the central portion in the width direction of the base plate 1 to one end thereof by sliding. For this purpose, the support shaft 6 is slid to one end of the guide rail 8 by half the hinge length, and the base plate 1 is slid in the opposite direction by half the hinge length.

  As in the first embodiment, the plate cam 2 is spring-biased in the direction of the mounting base 1, and when the plate cam 2 is rotated at least 90 degrees from the reference posture in one direction. The base plate is configured to be controlled to stop when the base plate is rotated 180 degrees in at least one direction from the reference state facing the front.

  Since the structure which rotates the plate cam 2 while sliding along the front surface with respect to the base plate 1 is the same as that of the connection unit of the first embodiment, other different parts will be described in detail below.

The guide rail 8 includes a substantially C-shaped channel-shaped rail main body 80 and a reinforcing plate 81 fixed to the bottom surface of the rail main body 80 by screws 83 and 84. Are formed with slits 80a and 81a having substantially the same length and width along the length direction.
The bearing base 5 made of a metal such as SUS has a substantially flat plate shape and is slidably accommodated inside a C-shaped channel-shaped rail main body 80.

The support shaft 6 is supported so as to be rotatable and movable in the axial direction in a state where a base end portion penetrates into a bearing hole 51 (FIGS. 14 and 16) at one end portion of the bearing base 5. A flange portion 6 a (FIG. 16) is formed on the protruding portion so as to contact the back surface of the bearing base 5.
The support shaft 6 has a flat non-circular section 6c formed continuously to the circular section 6d in a state where the circular section 6d (FIG. 16) continuous to the flange section 6a is accommodated in the bearing hole 51. It passes through the bearing hole 51 and penetrates from the back side of the bearing base 5.
In this state, a spring receiver 61 is attached to the non-circular section 6c in the axial direction so as to move in an axial direction and rotate integrally therewith, and a plurality of plate-like springs 60 interposed between the upper and lower washers 63, 63. And the reverse cup-shaped shaft part cover 62 is each mounted | worn in order. Then, with the spring 60 compressed, the tip end portion of the support shaft 6 is passed through the hole in the upper bottom portion of the shaft portion cover 62 and is caulked so as to rotate integrally with the shaft hole 92 at the end portion of the flat plate portion 90 in the support plate 9. It has stopped.

Stopper portions 6b and 6b projecting in the circumferential direction are formed on a part of the flange portion 6a of the support shaft 6.
On the other hand, on the back surface of the bearing base 5, when the support shaft 6 rotates at least 180 degrees in one direction (clockwise in this embodiment in FIGS. 15 and 16), one end in the circumferential direction is provided to one stopper portion 6b. A stopper 53 (FIG. 16) in which the other end in the circumferential direction abuts against the other stopper portion 6b when the support shaft 6 rotates 180 degrees in the opposite direction from the abutting state is formed in the protruding state.

  The support shaft 6 is rotated by a predetermined angle within the range of 180 degrees on the opposing surface of the spring receiver 61 and the bearing base 5 in a direction in which the stopper portions 6b and the stopper 53 are separated from the abutting state. The concaves and convexes 51a and 61a that are engaged with each other when formed are formed at one place or several places.

A restriction plate 82 is in sliding contact with the bottom surface of the reinforcing plate 81 of the guide rail 8, and a hole 82 a is formed in one end portion of the restriction plate 82 for passing a connecting wire.
An insertion hole 52 is formed in the other end portion of the flat bearing base 5, and a long hole 82 b is formed in the other end portion of the restriction plate 82. The restriction plate 82 is formed on the bearing base 5. The end of the flat connecting pin 54 (FIG. 14) passed through the insertion hole 52 is fixed to the bearing base 5 by passing through the slits 80a and 81a and passing through the elongated hole 82b.
Since the flat connecting pin 54 is in sliding contact with both side edges of the slits 80 a and 81 a, the bearing base 5 and the regulation plate 82 slide along with the support shaft 6 along the rail main body 80 of the guide rail 8.
Concave and convex portions 81b and 81b are formed on the back surface of the reinforcing plate 81 at regular intervals along the length direction, and the concave and convex portions 82c that engage with the concavo-convex portion 81b are formed on the upper surface of the regulating plate 82, respectively. Is reciprocally slid along the guide rail 8, the concave / convex portion 82 c of the restricting plate 82 is engaged with one of the concave / convex portions 81 b, 81 b, so that the sliding range of the bearing base 5 is restricted. ing.

The support plate 9 has the flat plate portion 90 that has an angular cross section and faces the bearing base 5 in parallel, and the vertical plate portion 91 that is continuous with the flat plate portion 90.
The slide rail portion 18 of the base plate 1 is a slit formed along the sliding direction to the lower end vertical plate portion 18a of the base plate 1 (FIGS. 14, 17, and 19 to 21). The base plate 1 is configured to slide with respect to the support plate 9 in a state where a pair of rollers (or bearing metal) 93 and 93 attached to the plate portion is guided and held in the slit which is the slide rail portion 18. Has been.

In this embodiment, each roller 93, 93 is held by a pair of hooked support pins 93a, 93a, and the leading end portion of each support pin 93a is passed through the vertical plate portion 91 of the support plate 9 and fixed by caulking. Each roller 93 is guided in a state of rolling contact with the slit of the slide rail portion 18.
The stroke length of the slide of the base plate 1 relative to the support plate 9 is the same as the stroke length of the slide of the bearing base 5 relative to the guide rail 8.

In this embodiment, a snap spring 94 made of a torsion spring is disposed on the back surface of the lower portion of the base plate, and the movable arm of the snap spring 94 is locked to the back surface of the vertical plate portion 91 of the support plate 9 and fixed thereto. The side arm is locked to the back side of the base plate 1.
Specifically, the shaft of the locking pin 95 is passed through the vertical plate portion 91 from the back side while the movable arm end of the snap spring 94 is locked to the locking pin 95. The end is crimped to the vertical plate portion 91.
On the other hand, the end of the fixed arm of the snap spring 94 is locked to the shaft end of the guide pin 12 on the back side of the base plate 1.
The length of the slide rail portion 18 and the distance between the pair of rollers 93 attached to the support plate 9 define the slide stroke length of the support plate 1 relative to the support plate 9. Therefore, when the base plate 1 is slid in any direction with respect to the support plate 9, any of the rollers 93 or the support pins 93a (the rollers 93 are omitted) by the snap action of the snap spring 94 from the middle. Is abutted against the corresponding slit end of the slide rail portion 18 and stops.

According to the connection unit a of the second embodiment, the display-side housing 4 is attached in a state where a part of the plate cam 2 overlaps the front side of the plate cam 2 in the same manner as in the case of the connection unit of the first embodiment. A guide rail 8 is attached to the hinge portion 7 with screws or the like.
Furthermore, when each part except for each of the casings 3 and 4 is accommodated in each corresponding cover 4a and 4b so as not to hinder the operation of each part (FIG. 17), for example, as shown in FIG. A foldable mobile phone is constructed.
If the display-side casing 4 of the cellular phone is opened in a predetermined angle range with respect to the operation-side casing 3, for example, if the display-side casing 4 is in the “reference state”, this reference When the state
As shown in FIG. 17, the shaft cover 62 including the support shaft 6 is disposed at an intermediate position in the length direction of the hinge portion 7, and the housings 3 and 4 are not displaced laterally. This posture is suitable after the mobile phone is used for a call.

Hereinafter, the operation (variety of display modes) of the mobile phones in which the casings are connected to each other using the connection unit a of the second embodiment as described above will be described.
However, as shown in FIGS. 17 and 18, the base plate 1 (and the display-side housing 4) is kept from sliding in the left-right direction, and the display mode of the display-side housing 4 is changed and used in this state. Since the procedure is exactly the same as in the first embodiment, a description thereof will be omitted.

17 and 18, the display-side housing 4 (base plate 1) is stopped along the guide rail 8 together with the shaft cover 62 to the right end (on the right end of the hinge portion 7) as shown in FIG. 19. The display-side casing 4 is rotated clockwise by 180 degrees in this state.
Further, when the display-side casing 4 is rotated clockwise while sliding upward with respect to the base plate 1, the display-side casing 4 is rotated 90 degrees clockwise by the bias of the spring 13, as shown in FIG. And converted into a landscape orientation.
When the state of the display side housing 4 in FIG. 22 is compared with the state of the display side housing 4 in FIG. 11, the hinge portion 7 and the operation side housing 3 are located below the center portion of the horizontally long display side housing 4. Therefore, the state of FIG. 22 is more stable as a whole.
The display mode of the display-side casing 4 in FIG. 22 is suitable for listening to a television broadcast or watching a moving image as in the case of FIG. 11 when used on a table.

From the state shown in FIGS. 17 and 18, the display-side housing 4 (base plate 1) is slid leftward with respect to the shaft cover 62 (support plate 9) as shown in FIG. In this way, the display-side housing 4 (base plate 1) is slid rightward along the guide rail 8 together with the shaft cover 62 to the limit.
In this state, the display-side housing 4 is actuated in the folding direction with respect to the operation-side housing 3 and overlapped on the operation-side housing 3, and from this state, the display-side housing 4 is further centered on the support cover 62. Is operated in the upright direction, the display-side casing 4 is converted into the horizontally-oriented display mode along one side in the longitudinal direction of the vertically-long operation-side casing 3 as shown in FIG.
23, when the display-side casing 4 is further rotated leftward while sliding upward with respect to the base plate 1, the display-side casing 4 is attached to the operation-side casing 3 as shown in FIG. The display mode is converted to a vertically long display mode along one side in the length direction.
The display modes of FIGS. 23 and 24 are suitable for listening to television broadcasts and watching moving images because the overall balance of the apparatus is stable when placed on a table.

17 and 18, the display-side casing 4 (base plate 1) is rotated 180 degrees clockwise with the display-side casing 4 (base plate 1) standing, and then the display-side casing 4 is placed on the operation-side casing 3. When folded again, as shown in FIG. 25, the display-side casing 4 is converted to a display mode that overlaps with the operation-side casing 3 and faces the same direction.
The display mode of FIG. 25 is suitable for using a mobile phone as a digital camera.

When the display side housing 4 is slid rightward with respect to the shaft cover 62 from the state of FIG. 25, the left side of the display side housing 4 is in the width direction of the operation side housing 3 as shown in FIG. Stop when it reaches almost the center.
The display mode of FIG. 26 is also suitable for using a mobile phone as a digital camera because the display-side housing 4 faces the same direction as the operation-side housing 3.

26, when the display side housing 4 is further slid rightward with respect to the guide rail 8, the left side of the display side housing 4 is moved to the right side of the operation side housing as shown in FIG. Move to the overlapping state and stop.
The display mode of FIG. 27 is also suitable for using a mobile phone as a digital camera because the display-side housing 4 faces the same direction as the operation-side housing 3.

From the state of FIG. 27, when the display-side housing 4 is raised while being rotated in the left-handed direction with respect to the hinge portion 7, the display-side housing 4 is converted into a display mode having a form as shown in FIGS. The
The proper usage procedure of these display modes is the same as that described with reference to FIGS.

Since the connection unit of the second embodiment can be operated as described above, various display modes of the form terminal configured using the connection unit of the first embodiment and the connection unit of the second embodiment are used. Considering the various display modes of the configured form terminal used, a wide variety of display forms are possible.
Further, the display side housing 4 automatically operates during the manual operation by the action of the spring 13 and the snap spring 94, so that various conversion operations are very simple.

Third Embodiment FIG. 29 is a partially enlarged cross-sectional view showing a third embodiment of a connecting unit according to the present invention.
This embodiment is a modification of the mounting structure of the plate cam 2 to the base plate 1. The plate cam 2 does not use the slide plate 15 shown in FIGS. It is slidably attached to.
That is, the attachment shaft 21 is attached so as to slide with the inner edge portion of the slide guide 11 in both the sliding direction and the rotational direction so that the step portion 211 rotates while sliding to the slide guide 11.
In this embodiment, the shaft length (thickness) L of the mounting shaft 21 is larger than the shaft length L of the mounting shaft 21 in the first embodiment, but other configurations and operational effects are the first embodiment and the second embodiment. It is the same as that of the connecting unit.

Fourth Embodiment FIG. 30 shows a fourth embodiment of a connecting unit according to the present invention. FIG. 31 is a partial front view of a related configuration of a base plate and a plate cam, and FIG. 31 is a clockwise view from the state of FIG. It is a partial front view of the state rotated 90 degrees.
This embodiment is a modification of the related configuration of the base plate 1 and the plate cam 2 in the connecting unit a.

On the base plate 1, the guide pins 12 come into contact with the corresponding recesses 23 of the plate cam 2 when the display-side housing 4 is in the reference posture and rotated 90 degrees from the reference posture to at least one side. Each support piece 17 is provided so that at least two locations of the outer peripheral portion of the plate cam 2 abut against the bias of the spring 13 immediately before.
In this embodiment, the support piece 17 abuts against the outer periphery of the convex portion between the pin-shaped projections 170, 170 where the symmetrical position of the inlet portion of each concave portion 23 of the plate cam 2 abuts and the concave portion 23 of the plate cam 2. Each of the projecting pieces 171 and 171 cut and raised is included.

In the portable terminal of this embodiment, when the display-side housing 4 is in the reference posture, the connecting unit a is just before the guide pin 12 of the base plate 1 hits the first recess 230 of the plate cam 2 as shown in FIG. In position.
The plate cam 2 includes a support piece 17 composed of pin-shaped protrusions 170, 170 that are in contact with both side symmetrical positions of the entrance portion of the first recess 230, and a protrusion between the recess 230 and the recesses 231, 232. It is supported in a state where it floats from the guide pin 12 by a predetermined amount by the support piece 17 composed of the projection pieces 171 and 171 that abut against the outer periphery of the part.

In order to convert the display-side housing 4 from the reference posture to the horizontally long display mode rotated by 90 degrees clockwise, for example, the display-side housing 4 is pushed clockwise along the base plate 1 as in the first embodiment. Rotate to
At this time, the plate cam 2 rotates while sliding upward along the slide guide 11. When the plate cam 2 rotates, the guide pin 12 contacts the outer periphery of the convex portion between the first concave portion 230 and the second concave portion 231 of the plate cam 2, and the plate cam 2 is guided in the rotation direction. .
The plate cam 2 rotates as described above and immediately before the guide pin 12 hits the second recess 231 of the plate cam 2 as shown in FIG. At the same time, the outer periphery of the convex portion between the first concave portion 230 and the second concave portion 231 is supported by the support piece 17 consisting of one projection piece 171. The
That is, the plate cam 2 rotates 90 degrees clockwise, and is supported or held by each support piece 17 in a state where it floats a predetermined amount from the guide pin 12, and the display-side housing 4 is rotated 90 degrees clockwise as shown in FIG. The posture is changed to the rotated landscape state.
When the display-side housing 4 is rotated 90 degrees counterclockwise from the reference posture, the display-side housing 4 changes its posture to a horizontally long state in the reverse direction of 180 degrees as shown in FIG. At this time, the state in which the plate cams 22 are supported or held by the support pieces 17 is opposite to the state shown in FIG.

According to the portable terminal of this embodiment, the support piece 17 provided on the base plate 1 abuts against at least two places on the outer peripheral portion of the plate cam 2 against the biasing force and supports the plate cam 2. Therefore, rattling of the display side housing 4 is prevented and the posture of the display side housing is always stable.
Other configurations and operational effects of the connection unit of this embodiment are the same as those of the second embodiment.
Moreover, the connection part can be comprised by replacing the structural part of this embodiment with the related structural part of 2nd Embodiment. Other functions and effects of such a connection unit are substantially the same as those of the connection unit of the second embodiment.

Fifth Embodiment FIG. 32 shows a fifth embodiment of a connecting unit according to the present invention, and is a partial front view of a related configuration of a base plate and a plate cam.
This embodiment is a modification of the fourth embodiment, and instead of forming a plurality of support pieces 17 as described above on the base plate 1, the base plate 1 is on a downward extension line in the plate cam slide direction. A pair of guide pins 12c and 12d are attached upright so as to be positioned on both sides.

On the other hand, the guide pins 12c and 12d are guided to the outer peripheral portion of the plate cam 2 when the display-side housing 4 is in the basic posture in the basic use state and when rotated 90 degrees from the reference posture. Recesses 23a and 23b are respectively formed.
In this embodiment, the recesses 23a and 23b, that is, the recesses 233 and 234 through which the guide pins 12c and 12d are guided when the display-side housing 4 is in the reference position, and the plate cam 2 are moved 90 from the reference position in the clockwise direction. Recesses 235, 236 in which the guide pins 12c, 12d are guided when rotated by 20 degrees, and recesses 237 in which the guide pins 12c, 12d are guided when the plate cam 2 is rotated 90 degrees counterclockwise from the reference posture. , 238.

According to the connection unit of this embodiment, a pair of guides that support the plate cam 2 in a fixed posture when the display-side housing 4 is in the reference posture and rotated 90 degrees in any direction from the reference posture. Since the pins 12c and 12d are attached to the base plate 1, and the other plate cam 2 is formed with recesses 23a and 23b for guiding the guide pins 12c and 12d when the plate cam 2 is in each posture. The backlash of the display-side housing 4 is prevented.
Other configurations and operational effects of the mobile terminal of the fifth embodiment are the same as those of the third embodiment.

  The connecting unit according to the present invention can be used not only to connect the cases to each other in a wireless portable terminal such as a mobile phone, but also to connect the cases to each other in a folding electronic notebook, an electronic dictionary, and a similar type personal computer. It can also be used when connecting.

It is a partial exploded perspective view of the portable terminal of a 1st embodiment concerning the present invention. It is the center part vertical expansion enlarged right view of the assembly state in the connection unit of both the housing | casing in the portable terminal of FIG. FIG. 3 is an enlarged exploded perspective view of a support shaft mounting portion in the connection unit of FIG. 2. FIG. 3 is a partial cross-sectional view (when the display-side housing is in a vertically long state) along the arrow AA in FIG. 2. FIG. 5 is a partially enlarged front view of a connecting unit when the display-side casing in FIG. 4 is changed in posture to a horizontally long state. It is a perspective view which shows one form of a portable terminal when a display side housing | casing is a reference | standard attitude | position. It is a perspective view which shows the other form of a portable terminal when a display side housing | casing is a reference | standard attitude | position. It is a perspective view which shows one form of a portable terminal when a display side housing | casing is changed in attitude | position. It is a perspective view which shows the other form of a portable terminal when a display side housing | casing is changed in attitude | position. It is a perspective view which shows the further another form of a portable terminal when a display side housing | casing is changed in attitude | position. It is a perspective view which shows the further another form of a portable terminal when a display side housing | casing is changed in attitude | position. It is a perspective view which shows the further another form of a portable terminal when a display side housing | casing is changed in attitude | position. It is a perspective view which shows the further another form of a portable terminal when a display side housing | casing is changed in attitude | position. It is a partial exploded perspective view which shows 2nd Embodiment of the connection unit a which concerns on this invention. It is a center part partial enlarged longitudinal cross-sectional view of the assembly state of the connection unit of FIG. It is a partial expansion disassembled perspective view which shows the related structure of the support shaft and its adjacent member in the connection unit of FIG. FIG. 15 is a partially enlarged plan view of a folding cellular phone using the connection unit of FIG. FIG. 18 is a perspective view of a state in which the folding mobile phone is opened when the connecting unit is in the state of FIG. 17. FIG. 18 is a partial front view showing a state in which the support shaft attached to the bearing base of the connection unit in the mobile phone of FIG. 17 is slid to one end of the guide rail. FIG. 18 is a partial front view of the connecting unit in a state where the base plate is slid with respect to the support shaft in a state where the support shaft is located at one end portion of the slide rail portion of the base plate from the state of FIG. 17. FIG. 21 is a partial front view of the connection unit in a state in which the support shaft held on the bearing base is slid from the state of FIG. 20 to one end of the guide rail. It is a perspective view which shows one display mode of the display side housing | casing in the mobile telephone using the connection unit of 2nd Embodiment. It is a perspective view which shows the other display mode of the display side housing | casing in the mobile telephone using the connection unit of 2nd Embodiment. It is a perspective view which shows other display modes of the display side housing | casing in the mobile telephone using the connection unit of 2nd Embodiment. It is a perspective view which shows other display modes of the display side housing | casing in the mobile telephone using the connection unit of 2nd Embodiment. It is a perspective view which shows other display modes of the display side housing | casing in the mobile telephone using the connection unit of 2nd Embodiment. It is a perspective view which shows other display modes of the display side housing | casing in the mobile telephone using the connection unit of 2nd Embodiment. It is a perspective view which shows other display modes of the display side housing | casing in the mobile telephone using the connection unit of 2nd Embodiment. It is a partial expanded sectional view which shows 2nd Embodiment of the portable terminal which concerns on this invention. The 3rd Embodiment of the portable terminal which concerns on this invention is shown, and it is a partial front view of the related structure part of a base plate and a plate cam. FIG. 16 is a partial front view of a state where the plate cam is rotated 90 degrees clockwise from the state of FIG. 15. The 3rd Embodiment of the portable terminal which concerns on this invention is shown, and it is a partial front view of the related structure part of a base plate and a plate cam.

Explanation of symbols

a connecting unit 1 base plate 10, 20 boss-shaped nut 11 slide guide 12 guide pin 120 flange 12a roller 13 spring 15 slide plate 15a bearing portion 150 bearing piece 151 sliding plate 152 spring receiving piece 16 flat plate portion 2 plate cam 21 mounting shaft 210 Flange 3 Operation-side housing 4 Display-side housing 5 Bearing base 50 Flat plate portion 6 Support shaft 60 Spring 61 Spring receiver 62 Shaft cover 6a Gutter portion 6b Stopper portion 6c Non-circular cross section 7 Hinge portion

Claims (16)

A connecting unit that connects the display-side housing to one end of the operation-side housing via a hinge portion,
A bearing base that is attached to the hinge portion, a support shaft that is rotatably attached in a state of being upright with respect to the bearing base, and a twisting direction integrally with the support shaft in a state of being upright with respect to the bearing base A base plate that is mounted to rotate, a state that is rotatable along the front side of the base plate, is slidable for a predetermined stroke in the direction of the bearing base, and the display-side housing partially overlaps the front side And a plate cam attached in
The plate cam is spring-biased in the direction of the bearing base, and the posture of the plate cam with the display-side housing as a vertically long posture is the reference posture, and the plate cam is 90 degrees in at least one direction from the reference posture. Controlled to stop when rotating,
The base plate is controlled to stop when rotated 180 degrees in at least one direction from a state facing the front,
A connecting unit for mutual housing. The bearing base has a flat plate portion parallel to the hinge portion, and the flat plate portion is attached to the hinge portion in a state where the flat plate portion floats a predetermined amount from the hinge portion,
The base plate has a flat plate portion parallel to the flat plate portion,
The support shaft is attached in a state where the base end side penetrates to the flat plate-like portion, and the distal end portion is fixed to the flat plate portion of the base plate,
A spring is compressed and interposed between the flat plate portion and the flat plate portion via a spring receiver that is movable in the axial direction to the flat plate portion side and rotates integrally with the support shaft.
The base end portion of the support shaft has a flange portion that is in contact with or close to the back surface of the flat plate-like portion, and a stopper portion protruding in the circumferential direction is provided on a part of the flat plate portion, When the support shaft rotates 180 degrees in the one direction from the reference state of the base plate, one end in the circumferential direction of the stopper portion comes into contact with the back surface of the base plate, and the support shaft 180 rotates in the reverse direction from the contact state. Provided with a stopper against which the other end in the circumferential direction of the stopper portion abuts when rotated at a time.
The mutual connection unit of housings according to claim 1. Concavities and convexities that engage with each other when the support shaft rotates 180 degrees in a direction in which the stopper portion and the stopper are separated from the abutting state are formed on the opposing surface of the spring support and the flat plate-like portion. The connection unit between cases according to claim 2. The said bearing base is a connection unit of mutual housing | casing in any one of Claims 1-3 attached to the said hinge part in the state in which the said support shaft is located in the center part of the length direction of the said hinge part. A connecting unit that connects the display-side housing to one end of the operation-side housing via a hinge portion,
A guide rail that is attached to the hinge portion along the length direction, a bearing base that is slidably held along the length direction on the guide rail, and can rotate while standing vertically with respect to the bearing base. A support shaft attached to the support shaft, a support plate orthogonal to the tip of the support shaft and having one end attached so as to rotate integrally therewith, slidably held along the length direction of the support plate, and A base plate having a slide rail portion having substantially the same length as the hinge portion, and can be rotated along the front side of the base plate and slidable for a predetermined stroke in the direction of the bearing base. And a plate cam that is attached in a partially overlapping state,
The bearing base and the support plate are respectively arranged in a state where the support shaft is located on the middle in the longitudinal direction of the hinge portion when the plate cam is in a reference posture in which the display-side housing is in a vertically long posture ,
The plate cam is in the reference posture, the base plate is slid to the limit in the direction of the other end of the support plate, and the bearing base is reversed along the guide rail in the sliding direction of the base plate. When sliding to the limit in the direction, the support shaft is configured to be positioned on one end side of the slide rail portion and the hinge portion,
The plate cam is spring-biased in the direction of the bearing base , and is controlled to stop when the plate cam is rotated 90 degrees from the reference posture in at least one direction,
The base plate is controlled to stop when rotated 180 degrees in at least one direction from a state facing the front,
A connecting unit for mutual housing. The bearing base has a flat plate shape,
The support plate has a flat plate portion facing the bearing base,
The support shaft is attached in a state where the base end side penetrates to the bearing base, and a distal end portion is fixed to the one end portion in the flat plate portion of the support plate,
Between the bearing base and the flat plate portion of the support plate, a spring is compressed and interposed via a spring receiver disposed in a state that is movable in the axial direction with respect to the support shaft and rotates integrally with the support shaft. And
The base end portion of the support shaft has a flange portion that is in contact with or close to the back surface of the bearing base, and a stopper portion protruding in the circumferential direction is provided on a part of the flange portion, and the back surface of the bearing base When the support shaft rotates 180 degrees in the one direction from the reference state of the base plate, one end in the circumferential direction of the stopper portion hits, and the support shaft rotates 180 degrees in the reverse direction from the bumped state. A stopper is provided against which the other end in the circumferential direction of the stopper portion abuts.
The connection unit between cases according to claim 5 . The opposing surfaces of the spring support and the bearing base are engaged with each other when the support shaft rotates by a predetermined angle within the range of 180 degrees in a direction in which the stopper portion and the stopper are separated from the abutting state. The connection unit between cases according to claim 6, wherein the unevenness to be formed is formed in one place or several places. The support plate has a flat plate portion and a vertical plate portion opposed to the bearing base with an angle section.
The slide rail part of the base plate is a slit formed along the slide direction to the base plate,
The base plate is configured to slide relative to the support plate in a state where a pair of rollers attached to the vertical plate portion of the support plate is guided and held in the slit,
One end of the base plate is locked or fixed to the back side of the base plate, and the other end of the base plate is locked or fixed to the vertical plate portion of the support plate. It is configured to slide to the limit in the end direction and to snap when sliding to the other direction from the state of sliding to the limit,
The connection unit between cases according to any one of claims 5 to 6. The base plate is provided with a long-hole-shaped slide guide along the slide direction of the plate cam, and a guide pin standing upright on the front side to the position closer to the bearing base than the slide guide,
The plate cam is provided in a state of rotating while sliding along the slide guide,
The outer periphery of the plate cam has a recess for guiding the guide pin when the plate cam is in a reference posture, and the guide pin when the plate cam is rotated 90 degrees from the reference posture in the one direction. A recessed portion to be guided is formed,
The connection unit between cases according to any one of claims 1 to 8. The plate cam slides along the slide guide by being attached to an attachment shaft that is rotatably held on a slide plate that is slidably attached along the slide guide on the back side of the base plate. The mutual connection unit of housings according to claim 9, which is provided in a state of rotating while rotating. The plate cam is provided in a state of rotating while sliding along the slide guide by being attached to an attachment shaft that is slidable and rotatably held on the slide guide. The connecting unit of the enclosures described. The connection unit between cases according to claim 10 or 11, wherein the attachment shaft is a hollow shaft. Immediately before the guide pin comes into contact with the back of the corresponding concave portion of the plate cam when the plate cam is in the reference posture and rotated at least 90 degrees in the one direction from the reference posture. A housing piece according to any one of claims 9 to 12, further comprising a support piece against which at least two portions of the outer peripheral portion of the plate cam abut against the spring bias, except for the back of each recess. Linking unit between bodies. At least a pair of the guide pins are provided, and the guide pins are simultaneously in contact with the concave portions of the plate cam when the plate cam is in the reference posture and rotated at least 90 degrees in the one direction from the reference state. The mutual connection unit of the housing | casing in any one of Claims 9-12 comprised by these. The connection unit between cases according to any one of claims 1 to 14, wherein the support shaft is a hollow shaft. A portable terminal in which an operation-side casing and a display-side casing are connected by a connection unit between casings according to claim 1.

Images