JP2010109696A - Portable terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable terminal that limits backlash of a display-side housing and a key-side housing, rotatably coupled with each other, toward an axial direction of a rotational axis. <P>SOLUTION: A display-side housing 32 and a key-side housing 34 are rotatably coupled through a coupling mechanism 36 in a position closer to one end than a center of those in their longitudinal directions, respectively. The display-side housing 32 has a display-side fitting portion 31 at an end of a side in a longitudinal direction on which the coupling mechanism 36 is disposed. The key-side housing 34 has a first key-side fitting portion 33 at an end of a side in a longitudinal direction on which a coupling mechanism 36 is disposed, and a second key-side fitting portion 35 in a position more away from the first key-side fitting portion 33 than a position in which the coupling mechanism 36 is disposed. In a contraction condition, the display-side fitting portion 31 is fitted with the first key-side fitting portion 33, whereas in an expansion condition, the display-side fitting portion 31 is fitted with the second key-side fitting portion 35. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a structure that suppresses rattling of two housings rotatably supported by a double turn hinge.

  Among portable terminals that require both miniaturization and high operability at the same time, a housing with a display (display-side housing) and a housing with an input (key side) are required to achieve both of these. There are cases in which the housing) is connected to be extendable.

  In such a portable terminal, only a part of the display unit and the input unit can be used, but the area of the exposed portion of the housing is small, and the display unit and the input unit can be used. However, it is possible to selectively use the “extended state” in which the area of the exposed portion of the housing is large.

  There are various mechanisms such as a hinge mechanism and a slide mechanism for connecting the two housings in a telescopic manner, and one of them is a rotating mechanism using a turn hinge unit.

FIG. 14 shows a key-side casing 24 of a portable terminal equipped with a double turn hinge mechanism and its HH cross section. As the turn hinge unit 26 installed in the key-side casing 24 rotates while sliding the rail holes, the display-side casing 22 turns while moving, and as shown in FIGS. 15, 16, and 17, Three forms are possible: a closed state, a primary open state, and a secondary open state.
A portable terminal provided with a double-turn hinge mechanism has an advantage over a portable terminal with a hinge mechanism or a slide mechanism in that the display unit (display-side housing) can be in a primary open state in which the display unit (display-side housing) is turned sideways.

  As described above, the portable terminal provided with the double-turn hinge mechanism is in a state where the display-side casing 22 and the key-side casing 24 are overlapped in the closed state, and within a predetermined plane when extended. In this structure, the display-side housing 22 is rotated. That is, the display-side casing 22 is supported at one point (the hinge axis of the turn hinge unit 26) at the key-side casing 24. Further, a clearance is required between the back surface of the display side housing 22 and the front surface of the key side housing 24 to prevent interference during rotation.

  For this reason, as shown in FIG. 18, the mobile terminal equipped with the double-turn hinge mechanism has a problem that the display-side housing 22 rattles in the axial direction of the hinge, particularly in the closed state or the secondary open state. It was.

As an invention related to preventing rattling in a rotating mechanism that connects two housings in a swingable manner, there is a “rotating device and a mobile phone equipped with the same” disclosed in Patent Document 1. The invention disclosed in Patent Document 1 prevents rattling by providing irregularities on the support shaft side and the inner peripheral surface of the bearing member that supports the shaft, and fitting them together.
JP 2005-121068 A

  However, although the invention disclosed in Patent Document 1 can prevent shakiness in the rotational direction of the hinge, it cannot prevent shakiness in the axial direction.

  The present invention has been made in view of such problems, and provides a portable terminal that suppresses shakiness of the casing in the axial direction of the rotation axis between the display-side casing and the key-side casing that are rotatably connected. The purpose is to provide.

  In order to achieve the above object, the present invention provides a shortened state in which the display-side housing and the key-side housing are overlapped, and the display-side housing in the shortened state is rotated halfway relative to the key-side housing. The display-side casing and the key-side casing are connected to each other so that the extended state can be taken, and each of the display-side casing and the key-side casing is closer to one end than the center in the longitudinal direction. The display-side housing is provided with a first display-side fitting portion at an end on the side where the longitudinal connection mechanism is disposed, and is connected to the key side. The housing has the first key-side fitting portion at the end on the side where the longitudinal coupling mechanism is arranged, and the first key-side fitting portion at a position farther from the first key-side fitting portion than the position at which the coupling mechanism is arranged. 2 key side fitting portions, and in the shortened state, the first display side fitting portion and the first key side fitting portion are fitted. In the extended state is one in which the first display side engaging portion and the second key-side fitting portion to provide a portable terminal, characterized by fitting.

  ADVANTAGE OF THE INVENTION According to this invention, the portable terminal which suppressed the shakiness of the housing | casing to the axial direction of the rotating shaft of the display side housing | casing and key side housing which were connected rotatably can be provided.

As shown in FIG. 1, the mobile terminal according to the present invention includes a shortened state in which the display-side housing 32 and the key-side housing 34 are overlapped, and the display-side housing 32 in the shortened state as the key-side housing 34. A mobile terminal in which the display-side casing 32 and the key-side casing 34 are connected so as to be able to take an extended state that is relatively half-rotated with respect to the display-side casing 32 and the key-side casing 34. Are connected to each other through a connecting mechanism 36 at a position closer to one end than the center in the longitudinal direction, and the display-side housing 32 is connected to the end on the side where the longitudinal connecting mechanism 36 is disposed. The display side fitting part 31 is provided, and the key side housing | casing 34 arrange | positions the 1st key side fitting part 33 and the connection mechanism 36 in the edge by which the connection mechanism 36 of a longitudinal direction is arrange | positioned. The second key side fitting portion 35 is provided at a position farther from the first key side fitting portion 33 than the position. In the shortened state, the display side fitting portion 31 and the first key side fitting portion 33 are fitted, and in the extended state, the display side fitting portion 31 and the second key side fitting portion 35 are fitted. And are fitted.
By adopting such a configuration, the display side fitting portion 31 and the first key side fitting portion 33 are fitted in the shortened state and the display side fitting portion 31 and the second key in the extended state. By the fitting with the side fitting portion 35, the axial rotation of the rotation shaft of the coupling mechanism 36 is prevented.

  Hereinafter, preferred embodiments of the present invention will be described.

In FIG. 2, the cross section of the AA part in the open state of the portable terminal which concerns on this embodiment, and the state is shown. FIG. 3 shows a primary open state of the mobile terminal according to the present embodiment. Furthermore, in FIG. 4, the cross-section of the EE part in the secondary meeting state of the portable terminal which concerns on this embodiment in the state is shown. As shown in these drawings, the mobile terminal according to the present embodiment includes a display-side casing 2 including a display-side casing case 1a and a display-side casing cover 1b, a key-side casing case 3a, and a key-side casing. The key-side housing 4 including the cover 3b is connected via a turn hinge unit 6.
The display-side housing 2, the key-side housing 4, and the turn hinge unit 6 correspond to the display-side housing 32, the key-side housing 34, and the coupling mechanism 36 in FIG.

FIG. 5 shows a configuration on the back side of the display-side housing 2.
The display-side housing cover 1b is provided with a hinge unit mounting portion 5 to which the turn hinge unit 6 is mounted. Further, the display-side housing cover 1b has an end portion on the side where the hinge unit mounting portion 5 is installed. A display side protrusion 10 is pasted in the vicinity, and a display side concave groove 11 is pasted in the vicinity of the opposite end.
The display-side protrusion 10 corresponds to the display-side fitting portion 31 in FIG.

FIG. 6 shows the configuration of the front surface of the key-side casing 4.
A turn hinge unit 6 is installed in the key-side casing case 3a. By rotating the turn hinge unit 6 while sliding the rail hole, the hinge shaft can be arranged at the closed position 6a, the primary open position 6b, or the secondary open position 6c, and the hinge shaft is moved to these positions. Thus, the display-side casing 2 can be swung while moving, and can take three forms, such as a closed state, a primary open state, and a secondary open state, as shown in FIGS. is there.
The key housing case 3a has a key-side groove 12 on the upper side of the hinge unit position, and a key-side groove 14 on the lower side of the hinge unit position, on the side opposite to the side where the hinge unit is installed. Key-side protrusions 13 are pasted in the vicinity of the portions.
The key-side concave groove 12 corresponds to the first key-side fitting portion 33 in FIG. 1, and the key-side concave groove 134 corresponds to the second key-side fitting portion in FIG.

As shown in FIG. 7, the display-side groove 11 and the key-side protrusion 13 are lower than the clearance between the display-side housing 2 and the key-side housing 4 and hinder the opening / closing operation of the terminal. There is no. Further, the sum of the height of the bottom portion of the display-side concave groove 11 and the height of the tip portion of the key-side protrusion 13 is substantially the same as the clearance between the display-side housing 2 and the key-side housing 4. . Furthermore, the sum of the height of the edge portion of the display-side concave groove 11 and the height of the tip portion of the key-side protrusion 13 is slightly larger than the clearance between the display-side housing 2 and the key-side housing 4. . For this reason, when the key side protrusion 13 and the display side concave groove 11 are fitted, the rotation of the turn hinge unit 6 is restricted.
The dimensional relationship described above is the same for the key-side concave grooves 12 and 14 and the display-side protrusion 10.

FIG. 8 shows a BB cross section in the closed state of FIG. FIG. 9 shows a CC cross section in the closed state of FIG.
In the closed state, the display-side protrusion 10 and the key-side recessed groove 12 are fitted, and the gap between the display-side housing 2 and the key-side housing 4 is thereby filled. Shaking of the direction is suppressed. Further, since the rotation of the hinge is restricted by the fitting of the display-side protrusion 10 and the key-side groove 12, the rotation direction of the hinge between the display-side housing 2 and the key-side housing 4 is not stable. Is also suppressed.

  Furthermore, in the closed state, the display-side recessed groove 11 and the key-side protrusion 13 are fitted, and this also fills the gap between the display-side housing 2 and the key-side housing 4. Shaking in the hinge axis direction is suppressed. Further, since the rotation of the hinge is restricted by the fitting of the display side concave groove 11 and the key side protrusion 13, the rotation direction of the hinge between the display side housing 2 and the key side housing 4 is not stable. Is also suppressed. Since the display-side concave groove 11 and the key-side protrusion 13 are fitted at a position away from the hinge axis of the turn hinge unit 6, which is a connection point between the display-side housing 2 and the key-side housing 4, the display-side housing The effect of restricting rattling between the body 2 and the key-side housing 4 is great.

  That is, in the closed state, as shown in FIG. 10, the support location between the display-side housing 2 and the key-side housing 4 is the hinge unit shaft, the display-side protrusion 10, and the key-side groove 12. And the display-side housing 2 is supported by the key-side housing 4 in a plane, so that the display-side housing is flat. The backlash between the body 2 and the key-side housing 4 is small.

  FIG. 11 shows a DD cross section in the secondary open state of FIG. In the secondary open state, the display-side protrusion 10 and the key-side groove 14 are fitted, and the gap between the display-side housing 2 and the key-side housing 4 is thereby filled, Shaking in the hinge axis direction is suppressed. Further, since the rotation of the hinge is restricted by the fitting of the display-side protrusion 10 and the key-side groove 12, the rotation direction of the hinge between the display-side housing 2 and the key-side housing 4 is not stable. Is also suppressed.

  In the secondary open state, as shown in FIG. 12, the support portion between the display side housing 2 and the key side housing 4 is formed by the shaft of the hinge unit, the display side protrusion 10, and the key side groove 14. Since the display side housing 2 is planarly supported by the key side housing 4, the backlash between the display side housing 2 and the key side housing 4 is small.

  As described above, the portable terminal according to the present embodiment has the display-side casing supported in a plane by the key-side casing in both the closed state and the secondary open state. Shaking in both directions of the rotation direction can be prevented.

In addition, the said embodiment is an example of suitable implementation of this invention, and this invention is not limited to this.
For example, in the above-described embodiment, the configuration in which the concave grooves and the protrusions are attached to the surface of the housing is taken as an example, but these may be formed integrally with the housing.
In the above embodiment, a configuration in which two concave grooves and protrusions are provided in the width direction of the housing is taken as an example. However, as shown in FIG. 13, one may be provided in the width direction, or three or more may be provided. .
Moreover, in the said embodiment, although the case where a processus | protrusion and a ditch | groove were rectangular shape was mentioned as an example, these may be circular shape or elliptical shape.
It goes without saying that the same effect can be obtained even if the concave-convex relationship is exchanged between the display-side casing and the key-side casing.
Furthermore, it is applicable not only to a portable terminal using the turn hinge unit which can take a primary open state but to a portable terminal provided with a simple rotation mechanism.
As described above, the present invention can be variously modified.

It is a figure which shows the structure of the portable terminal which concerns on this invention. It is a figure which shows the closed state of the portable terminal which concerns on suitable embodiment of this invention. It is a figure which shows the primary open state of the portable terminal which concerns on suitable embodiment of this invention. It is a figure which shows the secondary open state of the portable terminal which concerns on suitable embodiment of this invention. It is a figure which shows the structure of the back side of a display side housing | casing. It is a figure which shows the structure of the front side of a key side housing | casing. It is a figure which shows an example of the shape of a processus | protrusion and a ditch | groove. It is a figure which shows the cross section of the portable terminal in a closed state. It is a figure which shows the cross section of the portable terminal in a closed state. It is a figure which shows the support location of the display side housing | casing by the key side housing | casing in a closed state. It is a figure which shows the cross section of the portable terminal in a secondary open state. It is a figure which shows the support location of the display side housing | casing by the key side housing | casing in a secondary open state. It is a figure which shows the support location of the display side housing | casing by the key side housing | casing in the closed state and secondary open state of the portable terminal of another structure which concerns on this embodiment. It is a figure which shows the key side housing | casing of the portable terminal provided with the double turn hinge mechanism, and its cross section. It is a figure which shows the open state of the portable terminal provided with the double turn hinge mechanism. It is a figure which shows the primary open state of the portable terminal provided with the double turn hinge mechanism. It is a figure which shows the secondary open state of the portable terminal provided with the double turn hinge mechanism. It is a figure which shows a mode that the portable terminal provided with the double turn hinge mechanism shakes in a hinge axial direction in an open state and a secondary open state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1a Display side case 1b Display side cover 2, 32 Display side case 3a Key side case 3b Key side cover 4, 34 Key side case 6 Turn hinge unit 6a Closed position 6b Primary open position 6c Secondary open position 10 Display side protrusion DESCRIPTION OF SYMBOLS 11 Display side groove | channel 12, 14 Key side groove | channel 13 Key side protrusion 36 Connecting mechanism 31 Display side fitting part 33 1st key side fitting part 35 2nd key side fitting part

Claims (11)

A shortened state in which the display-side housing and the key-side housing are overlapped, and an extended state in which the display-side housing in the shortened state is half-rotated relative to the key-side housing can be taken. The display-side casing and the key-side casing are connected to each other,
The display-side casing and the key-side casing are each connected so as to be rotatable via a connecting mechanism at a position closer to one end than the center in the longitudinal direction.
The display-side terminal includes a first display-side fitting portion at an end on a side where the connecting mechanism in the longitudinal direction is disposed,
The key-side casing has a first key-side fitting portion at an end on the side where the connecting mechanism in the longitudinal direction is arranged, and the first key-side fitting portion from a position where the connecting mechanism is arranged. A second key side fitting portion at a position away from
In the shortened state, the first display side fitting portion and the first key side fitting portion are fitted, and in the extended state, the first display side fitting portion and the second display side fitting portion are fitted. A portable terminal characterized by being fitted with the key-side fitting portion.   The portable terminal according to claim 1, wherein a plurality of the first display side fitting portions and the first and second key side fitting portions are arranged in the width direction of the casing. .   The first display-side fitting portion and the first and second key-side fitting portions are separate members from the display-side housing and the key-side housing. The mobile terminal according to claim 1, wherein the mobile terminal is attached to a housing.   One of the first display-side fitting portion and the first and second key-side fitting portions has a convex shape and the other has a concave shape. The portable terminal described in the item.   The first display-side fitting portion and the first and second key-side fitting portions are provided lower than a clearance between the display-side housing and the key-side housing, and the concave shape The sum of the height of the bottom portion and the height of the convex tip portion is substantially the same as the clearance between the display-side housing and the key-side housing, and the height of the concave edge portion and the height The mobile terminal according to claim 4, wherein a sum of heights of convex tip portions is larger than a clearance between the display-side casing and the key-side casing. The display-side terminal includes a second display-side fitting portion at the end opposite to the side on which the first display-side fitting portion in the longitudinal direction is provided,
The key-side housing includes a third key-side fitting portion at the end opposite to the side on which the first key-side fitting portion in the longitudinal direction is provided,
6. The mobile terminal according to claim 1, wherein in the shortened state, the second display-side fitting portion and the third key-side fitting portion are fitted. .   7. The portable terminal according to claim 6, wherein a plurality of the second display side fitting portions and the third key side fitting portions are formed in the width direction of the casing.   The second display side fitting portion and the third key side fitting portion are arranged on the display side case and the key side case as members separate from the display side case and the key side case. The portable terminal according to claim 6 or 7, wherein the portable terminal is attached.   9. The method according to claim 6, wherein one of the second display-side fitting portion and the second key-side fitting portion has a convex shape and the other has a concave shape. Mobile device.   The second display-side fitting portion and the second key-side fitting portion are provided lower than the clearance between the display-side housing and the key-side housing, and the bottom portion of the concave shape And the height of the convex tip end are substantially the same as the clearance between the display-side casing and the key-side casing, and the height of the concave edge and the height of the convex shape are the same. The portable terminal according to claim 9, wherein the sum of the heights of the tip portions is larger than a clearance between the display-side casing and the key-side casing.   The connection mechanism is a double-turn hinge mechanism that can take a state in which the display-side casing in a shortened state is rotated by 90 ° relative to the key-side casing. The mobile terminal according to any one of 10.

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