JP2005006149A - Charging terminal protective structure for mobile telephone - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a charging terminal protective structure for a mobile telephone in which a charging terminal is usually covered with a protective cover, the protective cover is automatically opened only by mounting a charger in charging, and dust, etc., is prevented from being adhered to the charging terminal when the protective cover is opened and the charger is operated. <P>SOLUTION: When a mobile telephone main body 100 is mounted on a desk-top holder 101 being a charger, a recessed part 4a of the protective cover 4 is engaged with a hook pawl 21b of the desk-top holder 101 side in interlock with a turning operation of the mobile telephone main body 100 in the direction of an arrow C to thereby make the flexible protective cover 4 extend to be in an opened state, then, the exposed charging terminal 11a is brought into contact with a contact spring terminal for charging of the desk-top holder 101 side without any other element abutting on, which realizes one-action charging. When the charging is completed and the mobile telephone main body 100 is dismounted, the protective cover 4 is contracted to be returned to the original position to be in a closed state, then, the charging terminal 11a is protected. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a charging terminal protection structure in a mobile phone or the like.
[0002]
[Prior art]
Conventionally, in a mobile phone, as shown in FIG. 11, the charging terminal 31 is always exposed on the side surface of the mobile phone body 300, so that the charging terminal 31 is likely to be attached with dust and scratches. This is a cause of defects.
[0003]
Prior arts for solving this problem are disclosed in Patent Document 1 and Patent Document 2 below.
[0004]
[Patent Document 1]
JP-A-8-265405 (page 2-3, FIG. 1-4)
[Patent Document 2]
Japanese Patent Laid-Open No. 11-155238 (page 3, FIG. 1-8)
A conventional structure according to Patent Document 1 is shown in FIG. A mobile phone body 400 having a charging terminal 41 is provided with an opening 42, and a protective cover 43 that opens and closes the opening 42 is rotatably mounted via a shaft 44 and a coil spring 45, and is always opened by the protective cover 43. The opening 42 is closed and the charging terminal 41 is not exposed. When the mobile phone body 400 is installed in the charger 401, the charging terminal 46 on the charger 401 side opens the protective cover 43 against the urging force of the coil spring 45, and the charging terminal 46 enters the inside of the opening 42. Then, charging is performed by contacting the charging terminal 41 at the opposite position.
[0005]
Further, in the structure according to Patent Document 2, a slide plate is slidably provided on a charging terminal mounting portion of a mobile phone, and a position where the charging terminal is covered and a position where the charging terminal is exposed are selected by manual sliding of the slide plate. Covers the charging terminal with a slide plate, and at the time of charging, the slide plate is manually moved to expose the charging terminal.
[0006]
[Problems to be solved by the invention]
In the technique of Patent Document 1 described above, the charging terminal is not always exposed by the protective cover. However, when charging with the mobile phone body installed in the charger, the charging terminal on the charger side is opened while contacting the protective cover, so the protective cover on the top surface of the charging terminal on the charger side There is a problem that the dust is attached.
[0007]
On the other hand, in the technique of Patent Document 2, there is no fear that dust will adhere due to other components contacting the charging terminal as in Patent Document 1 during charging, but the slide plate is moved manually at all times and during charging. It is necessary to select a position, and there is a problem in operability, and there is a risk of forgetting to return the slide plate in the exposed position to the position covering the charging terminal after the charging operation.
[0008]
The object of the present invention is to eliminate the above-mentioned conventional problems, always cover the charging terminal with a protective cover, and automatically set the battery charger (desktop holder) at the time of charging to automatically open the protective cover and charge at the time of opening operation. It is an object of the present invention to provide a charging terminal protection structure for a mobile phone in which dust or the like does not adhere to the terminal.
[0009]
[Means for Solving the Problems]
The charging terminal protection structure for a mobile phone according to the present invention includes a desktop holder having a contact terminal for charging, and a charging terminal that is attached to the desktop holder and charged by contact between the charging terminal and the contact terminal. A mobile phone charging terminal structure comprising a mobile phone main body, provided at a position corresponding to the contact terminal of the mobile phone main body, and is normally closed to protect the charging terminal and to the desktop holder And an opening / closing member that is in an open state in conjunction with the mounting operation and exposes the charging terminal to enable contact with the contact terminal.
[0010]
In this mobile phone charging terminal protection structure, the opening / closing member is provided with an engaging portion that engages with a claw portion on the desktop holder side to form an open state when mounted on the desktop holder. The joint part is preferably a concave part.
[0011]
The opening / closing member may be made of a material having elasticity or a material having no elasticity.
[0012]
The opening / closing member may be manually opened / closed regardless of the mounting operation.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Next, the present invention will be described with reference to the drawings.
[0014]
FIG. 1 is a perspective view showing a schematic appearance of a folding mobile phone according to a first embodiment of the present invention, FIG. 2 shows a desktop holder as a charger in this embodiment, (a) is an overall perspective view, (B) is a perspective view taken along arrow B in (a), FIG. 3 is an exploded perspective view showing the charging terminal installation side of the mobile phone body in this embodiment, and FIGS. 4 to 7 are AA of FIG. It is sectional drawing by a line, and is a figure which shows sequentially the operation condition of this embodiment.
[0015]
The configuration of the first embodiment will be described. As shown in FIG. 1, the mobile phone body 100 includes a housing 1, a housing 2, a key operation unit 3, and a protective cover 4 for an external interface terminal, a housing 5, a housing 6, and a liquid crystal display unit 7. , And the side having the receiving unit 8 and the antenna unit 9. The protective cover 4 for the external interface terminal as the opening / closing member is made of a stretchable material (for example, made of rubber), and has a recess 4a at the center.
[0016]
As shown in FIG. 2, the desktop holder 101 as a charger includes a casing 21, a casing 22, and a charging contact spring terminal 23. The casing 21 is also provided with a fixing claw 21a for fitting the mobile phone body and a hook claw 21b that engages with the recess 4a of the protective cover 4 for the external interface terminal.
[0017]
FIG. 3 shows an exploded perspective view of the charging terminal installation side of the mobile phone body 100, which includes a housing 1, a housing 2, and a key operation unit 3, and a printed circuit board 10 is disposed inside the housings 1 and 2. An external interface terminal 11 is arranged at the end of the printed circuit board 10. The external interface terminal 11 is provided with a charging terminal 11a. The housing 2 has a protrusion 2 a and a groove 2 b for fitting the protective cover 4.
[0018]
The protective cover 4 made of a stretchable material is substantially L-shaped, and a concave portion 4a that engages with the hook claw 21b of the desktop holder 101 is provided at the center of the L-shape. The other end is a telescopic arm 4b. A hole 4 c is disposed in the arm portion 4 b, and protrusions 4 d are disposed on both side surfaces of the protective cover 4. The protective cover 4 having such a shape is formed so that the hole 2c is press-fitted into the protrusion 2a of the housing 2 and the protrusion 4d is inserted into the groove 2b of the housing 2 so as to face the external interface terminal 11. Attached to.
[0019]
Next, the mounting operation of the mobile phone body on the desktop holder in the first embodiment having the above-described configuration will be described with reference to FIGS.
[0020]
In the state of the configuration described above, first, as shown in FIG. 4, the mobile phone main body 100 is mounted on the desktop holder 101 as a charger, and the recess 2 c at one end of the housing 2 of the mobile phone main body 100 is formed on the desktop holder 101. The mobile phone main body 100 is attached to the desktop holder 101 while being rotated in the direction of arrow C with the fixed claw 21a of the housing 21 as a fulcrum.
[0021]
Then, as shown in FIG. 5, the recess 4 a of the protective cover 4 starts to come into contact with the hook claw 21 b of the casing 21 of the desktop holder 101.
[0022]
When further rotated in the direction of arrow C, the extendable arm 4b of the protective cover 4 is extended and the protective cover 4 is gradually lifted, and at the same time, the external interface terminal 11 and the charging terminal 11a begin to be exposed. At this time, the protective cover 4 is lifted vertically while using the groove 2b of the housing 2 in which the protrusion 4d is fitted as a guide.
[0023]
Finally, when the mobile phone body 100 is completely mounted on the desktop holder 101, the state shown in FIG. 6 is obtained, and the protective cover 4 is completely lifted.
[0024]
FIG. 7 shows a cross-sectional view of the charging terminal portion in a state where the attachment and mounting are completed. The charging terminal 11 a arranged on the external interface terminal 11 exposed from the protective cover 4 and the charging contact spring terminal 23 of the desktop holder 101 are shown in FIG. It is in contact and can be charged.
[0025]
After the charging is completed, when the mobile phone body 100 is removed from the desktop holder 101 by rotating it in the direction opposite to the arrow C, the protective cover 4 is caused to react with the groove 2b of the housing 2 by a reaction force due to the stretchability of the stretchable protective cover 4. The protrusion 4d slides inside and returns to the original position.
[0026]
As described above, when the cellular phone body 100 is mounted on the desktop holder 101, the recess 4a of the protective cover 4 and the hook claw 21b on the desktop holder 101 side are engaged with the rotation of the cellular phone body 100. As a result, the protective cover 4 is opened while being extended, and the charging terminal 11a exposed without contacting other components comes into contact with the charging contact spring terminal 23 on the desktop holder 101 side, so that charging is possible. It becomes a state. When charging is completed and the mobile phone body 100 is removed, the protective cover 4 is contracted to return to the original position and to be closed to protect the charging terminal 11a.
[0027]
Next, a second embodiment of the present invention will be described. FIG. 8 is a cross-sectional view showing the operation status of the second embodiment.
[0028]
In the second embodiment, even when the mobile phone body is not mounted on a desktop holder as a charger, the protective cover as an opening / closing member can be manually opened and closed regardless of the mounting operation.
[0029]
The configuration of the mobile phone main body 100 shown in FIG. 8 is exactly the same as the configuration of the first embodiment described above. FIG. 8 shows a retractable protective cover 4 that protects the external interface terminal 11 and a housing 2. The provided protrusion 2a and groove 2b, and the protrusion 4d provided on the side surface of the protective cover 4 are shown.
[0030]
Normally, the groove 2b of the housing 2 functions as a structure for preventing the protective cover 4 from opening in a state where the protrusion 4d of the protective cover 4 is fitted, and protects the external interface terminal 11 and the charging terminal 11a. When charging with the external interface terminal 11 and the charging terminal 11a directly without using the desktop holder 101, the stretchable protective cover 4 is extended by hand to disengage the groove 2b and the protrusion 4d. The protective cover 4 can be opened as shown in FIG.
[0031]
Next, a third embodiment of the present invention will be described. FIG. 9 is an exploded perspective view showing the charging terminal installation side of the mobile phone body according to the third embodiment, and FIG. 10 is a cross-sectional view showing the operation state thereof.
[0032]
The configuration of the mobile phone body 200 according to the third embodiment is substantially the same as the configuration of the mobile phone body 100 according to the first embodiment described above, and a part of the material and shape of the protective cover are different. There is only.
[0033]
In the first embodiment, the protective cover is made of a stretchable material, but in the third embodiment, the protective cover is made of a non-stretchable material such as an elastomer resin. Further, as shown in FIG. 9, the protective cover 14 is provided with a U-shaped concave portion 14a, and the arm portion 14b is provided with an oval hole 14c. Other configurations including the desktop holder 101 are the same as those in the first embodiment.
[0034]
As shown in FIG. 10, when the mobile phone main body 200 is attached to the desktop holder 101, the concave portion 14 a of the protective cover 14 is fitted with the hook claw 21 b of the housing 21 of the desktop holder 101 by the rotational operation of the mobile phone body 200. At the same time, the protective cover 14 is opened. In this embodiment, since the hole 14c of the protective cover 14 has an oval shape, a gap space between the projection 2a of the housing 2 and the arm portion 14b can be increased, and therefore the entire protective cover 14 is The protective cover 14 is opened even when the material is not stretchable, so that the external interface terminal 11 and the charging terminal 11a are exposed, and charging is possible.
[0035]
Further, when the mobile phone body 200 is removed after the charging is completed, the mobile phone body 200 is lifted while the hook claw 21b of the housing 21 of the desktop holder 101 is fitted in the recess 14a of the protective cover 14, Since a force to return to the original position acts on the protective cover 14, it is possible to close the protective cover 14 while removing the mobile phone body 200 by this force.
[0036]
In each of the embodiments described above, the foldable mobile phone has been described as the mobile phone main body 100, 200. However, the present invention is not limited to this, and the same applies to mobile phones other than the foldable type. Can do.
[0037]
【The invention's effect】
The first effect is that the charging terminal can be protected at all times when the mobile phone is used, so that the charging terminal can be prevented from being scratched or soiled, thereby avoiding problems such as poor charging. is there.
[0038]
The reason is that it has an opening / closing member (protective cover) that can be opened and closed and normally covers the external interface including the charging terminal in a closed state.
[0039]
The second effect is that the protective cover can be opened and recharged with a single touch just by setting it on the desktop holder in the same way as a conventional mobile phone, without intentionally opening the protective cover when it is attached to the desktop holder as a charger. Thus, there is no troublesome operation.
[0040]
The reason is that the concave portion of the protective cover is engaged with the claw portion of the desktop holder during mounting, and the protective cover is opened in conjunction with the mounting operation.
[0041]
The third effect is that there is no fear of dust or the like adhering to the charging terminal during the opening operation in which the protective cover is opened.
[0042]
The reason is that the opening operation is performed by the engagement between the claw portion of the desktop holder and the concave portion of the protective cover, and other components do not come into contact with the charging terminal.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a schematic appearance of a folding mobile phone according to a first embodiment of the present invention.
FIGS. 2A and 2B show a desktop holder as a charger in this embodiment, where FIG. 2A is a perspective view of the whole, and FIG. 2B is a perspective view taken along arrow B of FIG.
FIG. 3 is an exploded perspective view showing the charging terminal installation side of the mobile phone body in this embodiment.
4 is a cross-sectional view taken along line AA in FIG. 1 and shows a first operation state of this embodiment. FIG.
FIG. 5 is a cross-sectional view taken along line AA in FIG. 1 and showing a second operation state of this embodiment;
6 is a cross-sectional view taken along line AA in FIG. 1 and shows a third operation state of the embodiment; FIG.
FIG. 7 is a cross-sectional view taken along line AA in FIG. 1 and showing a fourth operation state of this embodiment.
FIG. 8 is a cross-sectional view showing an operation state of the second embodiment of the present invention.
FIG. 9 is an exploded perspective view showing a charging terminal installation side of a mobile phone body according to a third embodiment of the present invention.
FIG. 10 is a cross-sectional view showing an operation state of the third embodiment.
FIG. 11 is a perspective view showing an example of a charging terminal structure in a conventional mobile phone.
12 is a cross-sectional view showing a charging terminal structure in a conventional mobile phone according to Patent Document 1. FIG.
[Explanation of symbols]
100, 200, 300, 400 Mobile phone body 101 Desktop holder 1, 2, 5, 6, 21, 22 Case 3 Key operation unit 4, 14, 43 Protective cover 7 Liquid crystal display unit 8 Receiver unit 9 Antenna unit 10 Printed circuit board 11 External interface terminal 11a, 31, 41, 46 Charging terminal 23 Charging contact spring terminal 2a Protrusion 2b Groove 2c Recess 4a, 14a Recess 4b, 14b Arm 4c, 14c Hole 4d, 14d Protrusion 21a Fixing claw 21b Hook claw 401 Charger 42 Opening 44 Shaft 45 Coil Spring

Claims (7)

Charging terminal structure of a mobile phone comprising: a desktop holder having a charging contact terminal; and a mobile phone body having a charging terminal attached to the desktop holder and charged by contact between the charging terminal and the contact terminal Because
The mobile phone main body is provided at a position corresponding to the contact terminal and is normally closed to protect the charging terminal, and when mounted on the desktop holder, the charging terminal is opened in conjunction with the mounting operation. A charging terminal protection structure for a mobile phone, comprising: an opening / closing member that is exposed to allow contact with the contact terminal. 2. The charging of a mobile phone according to claim 1, wherein the opening / closing member is provided with an engaging portion that engages with a claw portion on the desktop holder side to form an open state when the opening / closing member is attached to the desktop holder. Terminal protection structure. 3. The charging terminal protection structure for a mobile phone according to claim 2, wherein the engaging portion is a concave portion. 4. The charging terminal protection structure for a mobile phone according to claim 1, wherein the opening / closing member is made of a stretchable material. 4. The charging terminal protection structure for a mobile phone according to claim 1, wherein the opening / closing member is made of a non-stretchable material. 5. The charging terminal protection structure for a mobile phone according to claim 1, wherein the opening / closing member can be manually opened / closed regardless of the mounting operation. The charging terminal of the mobile phone main body is provided side by side with an external interface unit, and the opening / closing member is in a closed state and an open state with respect to the external interface unit. Charge terminal protection structure for mobile phones.

Images