JP4584094B2 - Portable electronic devices - Google Patents

Description

  The present invention relates to a portable electronic device in which two housings are connected so as to be openable and closable.

2. Description of the Related Art Conventionally, in portable electronic devices configured such that two casings are connected to each other so as to be openable and closable, such as mobile phones and PDAs (Personal Digital Assistants), In some cases, the casing is used on a flat installation surface. In this case, it is preferable to arrange the portable electronic device on the installation surface in a stable state so that the portable electronic device does not rattle on the installation surface.
A conventional portable electronic device is configured such that a portable electronic device can be stably placed on an installation surface by providing a fall prevention portion that can protrude in the longitudinal direction from one end of one housing. (For example, refer to Patent Document 1).
JP 2003-258970 A

However, when the above-described conventional portable electronic device is arranged on the installation surface, it is necessary to move the fall prevention unit to a position protruding from one housing, and thus there is a problem that the installation work is troublesome.
In addition, in some cases, the fall-preventing portion protrudes from the housing in accordance with the operation of opening the two housings, but in this configuration, the mobile electronic device protrudes even when it is not arranged on the installation surface. For this reason, there is a problem that it becomes an obstacle to using the portable electronic device, and as a result, handling becomes troublesome.
The present invention has been made in view of the above-described circumstances, and is a portable electronic device that is easy to handle and can be stably placed on an installation surface even when two housings are opened to each other. It is intended to provide.

In order to solve the above problems, the present invention proposes the following means.
The portable electronic device according to the present invention includes two casings, a connecting portion that connects the two casings so as to be openable and closable, and an information card that is a card-type recording medium at the base end of the one casing. A slot provided with an opening that allows insertion of the cover, a lid member for protecting the opening, and one of the two cases exposed in the overlapping direction regardless of the open / closed state of the two cases A fall-preventing projection provided in the vicinity of the connecting portion of the outer surface of the casing, and the fall-preventing projection is formed integrally with the lid member at a position adjacent to the opening. It is characterized by being.
In addition, the outer surface of one housing | casing has shown the surface located in the other side of the opposing surface which mutually opposes in the state which closed and overlapped two housings mutually.

In addition, when the base end portion is directed upward , the tipping prevention protrusion is formed in a substantially U shape with respect to the base end portion when viewed from the outer surface side of the one housing. It is characterized by.

Furthermore, the portable electronic device according to the present invention has the one of the one casing at a width direction end perpendicular to the overlapping direction and a longitudinal direction connecting one end and the other end of the one casing. A wireless communication antenna unit that integrally protrudes from the outer surface of the housing, and a flat surface that abuts both the front end of the antenna unit projecting from the outer surface and both the front end and the outer surface of the fall prevention protrusion. The protrusion height of the fall prevention protrusion is set so that a minute gap is formed between the installation surface and the installation surface.
Moreover, the portable electronic device according to the present invention is characterized in that the fall prevention protrusion is formed of a member separate from the one casing.

According to the present invention, the portable electronic device is arranged in a state where the outer surface of the one housing faces the flat installation surface, so that the fall-preventing protrusion provided in the vicinity of the connecting portion, and the one housing A part of the outer surface comes into contact with the installation surface. That is, the outer surface of one housing is inclined with respect to the installation surface.
Here, when the contact portion between the fall prevention protrusion and the installation surface is used as a fulcrum, the action line connecting the center of gravity and the fulcrum of the other housing and the installation surface according to the protrusion height of the fall prevention protrusion. Since the angle formed is large, the magnitude of the moment acting on the fulcrum can be reduced based on the gravity acting on the center of gravity of the other casing (force acting in the direction perpendicular to the installation surface).

That is, the magnitude of the moment acting on the fulcrum based on the gravity acting on the center of gravity of the other casing is made smaller than the moment acting on the fulcrum based on the gravity acting on the center of gravity of the one casing. Is possible. Therefore, the two housings can be arranged on the installation surface in a stable state even when they are open to each other.
Moreover, since the fall prevention protrusion can protrude from the outer surface of one housing and can be integrally fixed, it does not interfere with the use of the portable electronic device. Therefore, the portable electronic device can be handled easily.

FIGS. 1 to 3 show an embodiment according to the present invention, and the embodiment described here is a case where the present invention is applied to a mobile phone.
As shown in FIG. 1, a mobile phone (portable electronic device) 1 according to this embodiment is overlapped with a first housing (one housing) 2 in the thickness direction of the first housing 2. A second housing 3 that can be matched, and a hinge portion (connecting portion) 5 that connects the two housings 2 and 3 so as to be foldable with each other are provided. In addition, the hinge part 5 is distribute | arranged so that each edge part (one end part) 2a and 3a (henceforth the base end parts 2a and 3a) of the two housing | casing 2 and 3 may be connected.

  Inside the second housing 3, a display unit 7 for displaying various information such as an LCD (Liquid Crystal Display) and a speaker unit 9 for calling are provided. The display unit 7 is exposed on the facing surface 3c side of the second housing 3 facing the first housing 2 in a state where the two housings 2 and 3 are overlapped with each other. The speaker unit 9 is disposed on the distal end portion 3b of the second housing 3 located on the opposite side to the base end portion 3a, and from the facing surface 3c of the second housing 3 to the second housing 3. It is exposed to the outside through an opening 3d that penetrates the internal space.

  Inside the first housing 2 are provided a key operation unit 11 having various pressable operation keys 10 such as a call key and a call end key, and a microphone unit 13 for a call. Each operation key 10 of the key operation unit 11 is exposed to the outside from the facing surface 2c of the first housing 2 facing the second housing 3 in a state where the two housings 2 and 3 are overlapped with each other. is doing. The microphone portion 13 is disposed on the distal end portion (other end portion) 2b side of the first housing 2 located on the side opposite to the base end portion 2a. It is exposed to the outside through an opening 2 d that penetrates the internal space of one housing 2.

As shown in FIGS. 2 and 3, an antenna unit 15 for performing wireless communication with a base station and an information card 17 as a card-type recording medium are provided at the base end 2a of the first housing 2. A slot 19 for insertion is provided. The antenna unit 15 is provided at the end in the width direction (AB direction) of the first casing 2 in the base end 2 a described above, and on the opposite side of the facing surface 2 c of the first casing 2. It protrudes from the outer surface 2e of the first housing 2 that is positioned. The outer surface 2e of the first housing 2 indicates a surface exposed in the overlapping direction (CD direction) of the two housings 2 and 3 regardless of the open / closed state of the two housings 2 and 3.
The slot portion 19 is open to the base end portion 2a side of the first housing 2, and a connector (not shown) for electrical connection with the information card 17 is disposed inside the slot portion 19. Therefore, in a state where the information card 17 is inserted into the slot portion 19, various information can be read from the information card 17 and various information can be written to the information card 17 based on the operation of the key operation portion 11. It is like that.

Further, in the vicinity of the base end portion 2 a of the first housing 2, a fall prevention protrusion 21 that protrudes in the D direction from the outer surface 2 e of the first housing 2 is provided.
The protrusion height of the fall prevention protrusion 21 is such that the flat installation surface 25 that abuts both the tip of the fall prevention protrusion 21 and the outer surface 2e of the first housing 2, and the tip of the antenna portion 15 protruding from the outer surface 2e. A small gap, specifically, a gap larger than 0 mm and not larger than 1 mm is formed.

The fall prevention protrusion 21 is disposed at a position adjacent to the opening 19 a of the slot portion 19, and more specifically, is provided at a substantially central portion in the width direction of the first housing 2. The fall prevention protrusion 21 is formed in a substantially U shape so as to surround the opening 19 a, and a region surrounded by the fall prevention protrusion 21 is formed to be recessed with respect to the fall prevention protrusion 21.
The overturn prevention protrusion 21 is formed of a member separate from the first housing 2 and is integrally fixed to the first housing 2. Furthermore, the fall prevention protrusion 21 is formed by applying a texture to a member such as a resin that constitutes the fall prevention protrusion 21 and is not painted. The outer surface 2 e of the first housing 2 that fixes the fall prevention protrusion 21 is painted in a color different from the color of the members constituting the fall prevention protrusion 21.

In the mobile phone 1 configured as described above, when the two housings are arranged on the flat installation surface 25 in a state of opening each other, the outer surface 2e of the first housing 2 faces the installation surface 25. Let In this state, both the tip of the fall prevention protrusion 21 and the vicinity of the tip 2b of the first housing 2 are in contact with the installation surface 25. Further, a minute gap is formed between the tip of the antenna unit 15 protruding from the outer surface 2 e and the installation surface 25.
Here, when the contact portion between the fall prevention protrusion 21 and the installation surface 25 is a fulcrum P1, the center of gravity of the second housing 3 and the fulcrum P1 according to the protrusion height of the fall prevention protrusion 21 from the outer surface 2e. The angle formed by the line of action connecting the two and the installation surface 25 is larger than when the entire outer surface 2e of the first housing 2 is in contact with the installation surface 25. For this reason, the magnitude of the moment M1 acting on the fulcrum P1 can be reduced based on the gravity acting on the center of gravity of the second housing 3 (force acting in the direction perpendicular to the installation surface 25).

As described above, according to the mobile phone 1, the center of gravity of the second casing 3 that acts on the fulcrum P <b> 1 by gravity is provided by providing the fall prevention protrusion 21 in the vicinity of the base end 2 a of the first casing 2. The magnitude of the moment M1 based on can be made smaller than the moment M2 based on the center of gravity of the first housing 2. For this reason, even if it arrange | positions to the installation surface 25 in the state which opened the two housings | casings 2 and 3, the 2nd housing | casing 3 does not fall toward the installation surface 25, and the installation surface is stable. 25. Therefore, the visibility of the display unit 7 and the operability of the key operation unit 11 in this installation state can be improved.
Moreover, since the fall prevention protrusion 21 protrudes from the outer surface 2e of the first housing 2 and is integrally fixed, it does not interfere with the use of the mobile phone 1. Therefore, the mobile phone 1 can be handled easily.

Further, since the fall prevention protrusion 21 is arranged adjacent to the opening 19a of the slot 19 and is formed in a substantially U shape so as to surround the opening 19a, the position of the slot 19 is clearly defined. Can show.
Further, in the state where the mobile phone 1 is arranged on the installation surface 25 as described above, a minute gap is formed between the tip of the antenna unit 15 and the installation surface 25, and thus the antenna unit 15 is formed to protrude. Even in such a case, the mobile phone 1 can be placed on the installation surface 25 in a stable state. Further, even if the antenna unit 15 is formed integrally with the painted first housing 2, the antenna unit 15 does not come into contact with the installation surface 25, so that the coating of the tip of the antenna unit 15 can be prevented from being peeled off. .
Furthermore, since the protrusion height of the fall prevention protrusion 21 can be minimized, the mobile phone 1 having a good appearance design and easy to handle can be provided.

In addition, by configuring the first housing 2 and the fall prevention protrusions 21 by separate members, different decorative processing (painting processing and embossing processing) can be easily performed.
Furthermore, the fall prevention protrusion 21 is constituted by a member separate from the painted first housing 2 and the member constituting the fall prevention protrusion 21 is not subjected to the texture processing and is not coated. There is no need to worry that the coating is peeled off even if the fall prevention protrusion 21 comes into contact with the installation surface 25. Therefore, even if the outer surface 2e of the first housing 2 is painted, the first housing 2 is not affected by the contact between the installation surface 25 and the overturning projection 21 and the outer surface 2e of the first housing 2. Since the peeling of the paint can be minimized, it is possible to prevent the appearance design of the mobile phone 1 from being deteriorated based on the peeling of the paint.

In the above-described embodiment, the fall prevention protrusion 21 is provided in the vicinity of the base end 2a of the first housing 2, but the present invention is not limited to this, and at least the position of the center of gravity of the first housing 2 What is necessary is just to be provided in the base end part 2a side rather than.
Further, although the fall prevention protrusion 21 is fixed integrally to the first casing 2, the present invention is not limited to this. For example, the fall prevention protrusion 21 may be detachably attached to the first casing 2. Good. In the case of this configuration, the appearance design of the mobile phone 1 can be easily changed by appropriately replacing the fall prevention protrusion 21 having various designs and colors, so that the design of the mobile phone 1 can be improved. it can. Further, the fall prevention protrusion 21 is formed integrally with a lid member that is provided on the first housing 2 and protects the opening 19a of the slot 19 exposed to the outside, the terminal for the earphone, and the like. It does not matter if it is done.

Further, the member such as resin constituting the fall prevention protrusion 21 is subjected to the texture processing and is not coated. However, the present invention is not limited to this, and at least the first casing 2 and the fall prevention protrusion 21 are separately provided. What is necessary is just to be comprised by the member. That is, for example, the member constituting the fall prevention protrusion 21 may be coated. In the case of this configuration, the first casing 2 and the fall prevention protrusion 21 can be easily painted in different colors, so that the design of the mobile phone 1 can be improved.
In addition, the configuration of the above embodiment is not limited to the mobile phone 1 and can be applied to a mobile electronic device in which at least two housings are connected so as to be openable and closable.

  As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included.

It is a schematic perspective view which shows the state which opened the 1st, 2nd housing | casing of the mobile telephone which concerns on one Embodiment of this invention mutually. FIG. 2 is a schematic plan view showing a state in which the first and second housings are closed from the outer surface side of the first housing in the mobile phone of FIG. 1. FIG. 2 is a schematic side view showing a state in which the first and second housings are opened from each other in the mobile phone of FIG. 1.

Explanation of symbols

1 Mobile phone (electronic equipment)
2 First housing (one housing)
2a, 3a Base end (one end)
2b Tip (other end)
2e Outer surface 5 Hinge (connecting part)
15 Antenna part 17 Information card 19 Slot part 19a Opening part 21 Fall prevention protrusion 25 Installation surface 3 2nd housing | casing

Claims (4)

Two housings,
A connecting part for connecting these two cases so as to be openable and closable;
A slot part having an opening part into which an information card as a card-type recording medium can be inserted at a base end part of the one case;
A lid member for protecting the opening,
Of the outer surface of one casing exposed in the overlapping direction of the two casings regardless of the open / closed state of the two casings,
Have
The portable electronic device, wherein the fall prevention protrusion is integrally formed with the lid member at a position adjacent to the opening. The tip of the overturn prevention protrusion is formed in a substantially U shape with respect to the base end side when viewed from the outer surface side of the one housing when the base end is upward . The portable electronic device according to claim 1. Projecting integrally from the outer surface of the one casing to the widthwise end of the one casing perpendicular to the overlapping direction and the longitudinal direction connecting one end and the other end of the one casing An antenna unit for wireless communication is provided,
The protrusion of the anti-tip protrusion is so formed that a small gap is formed between the tip of the antenna part protruding from the outer surface and a flat installation surface that contacts both the tip of the anti-tip protrusion and the outer surface. The portable electronic device according to claim 1, wherein a height is set.   The portable electronic device according to any one of claims 1 to 3, wherein the fall prevention protrusion is formed of a member separate from the one casing.

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