JP4033181B2 - Mobile terminal device - Google Patents

Description

  The present invention relates to a portable terminal device having a secondary battery serving as a power source in a portable main body case.

In this type of portable terminal device, for example, a cellular phone, the lower portion of the main body case is set so as to be inserted (placed) into the concave portion of the charger from above, so that the charging terminal of the charger and the power reception of the cellular phone are received. The secondary battery of the mobile phone is charged by contacting the terminal. Conventionally, the power receiving terminal of the mobile phone is generally provided in an exposed state at the bottom of the main body case. However, in recent years, the power receiving terminal portion is normally covered on the bottom of the main body case of the mobile phone and charged. It has been considered to protect the power receiving terminal by providing a lid that is opened by turning at times (for example, see Patent Document 1).
JP 2001-257752 A

  By the way, since the mobile phone as described above is often held by the user's hand, if the power receiving terminal is exposed, for example, the surface of the user's palm is likely to become dirty due to sweat or oil on the palm of the user. If the surface is contaminated, there is a risk of inconveniences such as poor contact when the battery is set in the charger and charged. In this case, according to the configuration in which the lid is provided, it is considered that a certain effect can be obtained for preventing the power receiving terminal from being stained. However, the charging terminal on the charger side left in an exposed state cannot be effectively prevented from being contaminated, and the possibility of poor contact cannot be resolved.

  The present invention has been made in view of the above circumstances, and its purpose is that the power receiving terminal of the main body case is connected to the charging terminal of the charger to perform charging, and is caused by contamination of the charging terminal of the charger. It is in providing the portable terminal device which can prevent the contact failure which carries out effectively.

In order to achieve the above object, a portable terminal device of the present invention is such that a power receiving terminal of a main body case is connected to a charging terminal of a charger to perform charging, and the main body case has a charger for the main body case. with the set operation for the receiving recess of Rutotomoni provided a cleaning pad which slides the surface of the charging terminal, the non-set time for said charger, a protective cover for covering the power receiving terminal and cleaning pad section openably It is characterized by its structure (the invention of claim 1).
According to this, when the user sets the main body case to be inserted into the receiving recess of the charger so as to charge the secondary battery, the cleaning pad provided on the main body case is connected to the charging terminal of the charger. It comes to slide on the surface. Thereby, the dirt on the surface of the charging terminal is wiped off by the cleaning pad, and a clean state can be obtained and a good contact state with the power receiving terminal of the main body case can be obtained. Moreover, the cleaning is automatically performed by a normal setting operation with respect to the charger of the main body case without any special operation by the user. As a result, it is possible to effectively prevent contact failure due to dirt on the charging terminal of the charger.

Moreover, by providing the protective cover, it is possible to effectively prevent the surface of the power receiving terminal and the cleaning pad portion of the main body case from being soiled by, for example, sweat, fat, dust, etc. on the palm of the user, An even better contact state with the charging terminal of the charger can be obtained.

At this time, the protective cover is normally urged to a closed position by a spring and is engaged with an engaging portion provided in the charger when the main body case is set to the charger. Thus, it can be configured to be forcibly moved to the open position against the spring force (invention of claim 2 ). As a result, as the user sets and releases the main body case with respect to the charger, the protective cover automatically opens and closes, so that the operation of opening and closing the protective cover is simplified, and in particular, the power etc. It is not necessary, and the configuration for that can be easily completed.

Further, in the case of providing the protective cover described above, the protective cover, if the surface of the power receiving terminal of the main body case in accordance with the opening and closing of the protective cover to provide a second cleaning pad that slides (claim 3 Invention), since the dirt on the surface of the power receiving terminal is wiped off by the second cleaning pad, it is possible to effectively prevent both the charging terminal of the charger and the power receiving terminal of the main body case from being contaminated. A good contact state can be obtained.

Furthermore, in this invention, it can be set as the structure detachably mounted | worn with the mounting part provided in the main body case in the state which hold | maintained the cleaning pad with the holder (invention of Claim 4 ). According to this, since the cleaning pad can be easily replaced, when the cleaning pad itself becomes dirty or deteriorated, the cleaning pad is replaced with a clean (new) one to maintain the ability to wipe off the cleaning pad. I can keep it.

Hereinafter, a first embodiment in which the present invention is applied to a handy type information code reader (barcode handy terminal) will be described with reference to FIGS.
1 and 2 show a schematic configuration of an information code reading device 1 as a portable terminal device according to the present embodiment and a charger 2 for charging the information code reading device 1. First, the charger 2 is configured to have a receiving recess 3 a on the upper surface side of the plastic outer shell case 3. The receiving recess 3a has a rectangular shape that is slightly horizontally long when viewed from above, and is formed in a bottomed hole shape that is slightly inclined and recessed. By being inserted, it is set to be detachable.

  A pair of left and right charging terminals 4 (only one is shown) is provided on the lower part of the back side (the right side wall surface in the figure) of the inner wall of the receiving recess 3a. The charging terminal 4 is made of, for example, a wire having a spring property whose front end side is bent in a “<” shape, and the front end side portion is provided so as to protrude inside the receiving recess 3 a. Further, an engaging projection 5 as an engaging portion is provided integrally with the outer shell case 3 on the upper portion of the inner wall on the back side of the receiving recess 3a. Although not shown in the figure, a rectifier circuit or the like is provided in the outer shell case 3 of the charger 2 to convert the commercial power source into a predetermined voltage direct current and to supply between the charging terminals 4 and 4. .

  Next, the information code reader 1 will be described. This information code reading device 1 is in the shape of a vertically long thin rectangular box and is not shown in a plastic main body case 6 that can be operated (portable) by a user's hand. A reading mechanism for reading (bar code or two-dimensional code) and a control device that mainly includes a microcomputer and performs overall control, decoding processing, and the like are incorporated.

  In addition, although not shown in the drawings, a secondary battery made of, for example, a lithium ion battery serving as a power source for the reading mechanism and the control device is provided in the main body case 6. Further, a reading port is provided on the front end surface (upper end in FIGS. 1 and 2) of the main body case 6, and on the surface portion (the surface facing the left side in FIGS. 1 and 2) of the main body case 6, A liquid crystal display, a key operation unit, a charging notification lamp, and the like are provided.

  As shown in FIG. 3, a recess 6 a having a shape that is recessed from the center to the lower end is provided in the lower part on the back side of the main body case 6, and the lower part of the surface of the recess 6 a is provided. The left and right power receiving terminals 7 and 7 for charging the secondary battery are provided. A cleaning pad 8 for cleaning the charging terminals 4 and 4 of the charger 2 is provided on the surface of the lower end portion of the recess 6a. The cleaning pad 8 is formed in a horizontally long square bar shape from a fiber material such as felt or nonwoven fabric.

  More specifically, as shown in FIG. 4, the cleaning pad 8 has a lower end portion (reception terminals 7, 7) of the recess 6 a in a state where the lower end portion is held by a plastic holder 9 in the drawing. It is detachably mounted in a mounting hole 10 which is a mounting portion that is formed in a horizontally long position (just below). At this time, as shown in FIG. 4, the holder 9 is formed with projecting pieces 9 a, 9 a protruding left and right in FIG. 4, and these projecting pieces are formed on the inner wall portion of the mounting hole 10. Fitting grooves 10a and 10a into which 9a and 9a are fitted are formed. Thus, the holder 9 holding the cleaning pad 8 is elastically deformed, and the protrusions 9a and 9a are fitted into the fitting grooves 10a and 10a so that the holder 9 can be attached to the attachment hole 10. It has become.

  A plastic protective cover 11 that covers the recess 6a (the power receiving terminals 7 and 7 and the cleaning pad 8) so as to be openable and closable is provided on the back side of the main body case 6 (the surface facing upward in FIG. 3). . As shown in FIG. 3, the protective cover 11 is formed in a thin plate shape having a U-shaped cross section in which right and left side portions are bent at right angles and having a width equivalent to that of the main body case 6. In addition, on the inner surface side of the left and right side wall portions of the protective cover 11, guide protrusions 11 a (only one wall portion is indicated by a broken line) are integrally provided at two upper and lower positions.

  At this time, the main body case 6 has rising wall portions 12, 12 positioned on the left and right sides of the recess 6 a and at the positions of being inward from the left and right edges of the main body case 6 by the thickness of the protective cover 11. On the outer wall surface of each rising wall portion 12 (only one is shown in FIG. 3), long guide groove portions 12a and 12a are located at two locations in the vertical direction (longitudinal direction of the main body case 6). Is formed.

  Thus, the protective cover 11 is attached to the main body case 6 so as to be slidable in the vertical direction by fitting the guide protrusion 11a to the guide groove 12a of the rising wall 12 so as to be slidable. . In this case, the guide groove 12a also serves to regulate the sliding movement range of the guide protrusion 11a and thus the protective cover 11. The protective cover 11 has a lower end as shown in FIG. And a closed position that covers the entire recess 6a (the power receiving terminals 7, 7 and the cleaning pad 8), and is slid upward from that position as shown in FIG. , That is, the power receiving terminals 7 and 7 and the cleaning pad 8 are opened and closed between the open positions.

  As shown in FIG. 3, the main body case 6 is provided with a flat surface portion 6 b that is located above the recess 6 a and is slightly lowered from the back surface of the main body case 6 (by the thickness of the protective cover 11). Yes. The upper end portion of the rising wall portion 12 is flush with the flat portion 6b. Thereby, the protective cover 11 can be slid to the open position. Further, the back surface of the main body case 6 is provided with a step portion 6c that is located above the flat surface portion 6b and is lowered by a slight thickness from the back surface. On the other hand, a thin cover portion 11 b is integrally provided on the upper portion of the protective cover 11. Thus, in the closed position of the protective cover 11, the cover portion 11b covers the flat surface portion 6b (the step portion 6c is exposed), and in the open position of the protective cover 11, the cover portion 11b is disposed in the step portion 6c portion. It is like that.

  Further, in this embodiment, as shown in FIG. 3, a rod-like pin 13 for holding a spring is provided at the center of the upper wall portion constituting the recess 6a. As shown, a convex portion 11c for holding a spring is integrally formed on the back surface side of the protective cover 11. As shown in FIGS. 1 and 2, a coil spring 14 is disposed between the pin 13 and the convex portion 11c. Thus, the protective cover 11 is urged to the closed position by the spring force of the coil spring 14 at normal time (when not charging).

  Furthermore, in this embodiment, a groove 15 extending upward from the lower end of the protective cover 11 is formed on the surface side of the protective cover 11 as shown in FIG. The groove portion 15 is provided corresponding to the engagement protrusion 5 of the charger 2, and the end portion (upper end portion) of the groove portion 15 is an engaged portion 15 a that is engaged with the engagement protrusion 5. The Thus, as will be described in the following description of the operation, when the information code reader 1 (main body case 6) is set in the charger 2, the engaged portion 15a is engaged with the engaging protrusion 5. Thus, the protective cover 11 is forcibly moved to the open position.

  Next, the operation of the above configuration will be described. In the information code reading device 1 described above, during normal (non-charging) time, as shown in FIG. 1, the protective cover 11 is located at a closed position that closes the recess 6a of the main body case 6, so The terminals 7 and 7 and the cleaning pad 8 are covered. Accordingly, it is possible to prevent the surfaces of the power receiving terminals 7 and 7 and the cleaning pad 8 of the main body case 6 from being soiled by, for example, sweat, grease, dust, etc. on the palm of the user.

  Now, when the remaining amount of the secondary battery of the information code reader 1 is low (the voltage is low), the fact is notified by a lamp or the like, so the user charges the secondary battery by the charger 2. . When the user charges the secondary battery, as shown in FIG. 1, the information code reader 1 (main body case 6) is set so as to be inserted into the receiving recess 3 a of the charger 2 in the direction of arrow A. .

  With this insertion operation, the engaging protrusion 5 of the charger 2 relatively enters the groove portion 15 of the protective cover 11 on the back surface side of the information code reader 1, and finally the engagement of the terminal end of the groove portion 15. The joint portion 15a is engaged with the engaging protrusion 5, and the main body case 6 is further inserted from here, so that the protective cover 11 resists the spring force of the coil spring 14, and the main body case 6 As a result, it moves relatively upward (sliding in the direction of arrow B). Thereby, as shown in FIG. 2, the protective cover 11 is forcibly moved to the open position.

  Along with this, the cleaning pad 8 provided in the recess 6a slides on the surface of the charging terminal 4 of the charger 2, and thereafter, as shown in FIG. 2, the main body case 6 receives the receiving recess 3a. In the state where it is completely set, the charging terminal 4 and the power receiving terminal 7 come into contact with each other, and the secondary battery is charged. At this time, the cleaning pad 8 slides on the surface of the charging terminal 4, so that the dirt on the surface of the charging terminal 4 is wiped off and a clean state is obtained, so that a good contact state with the power receiving terminal 7 can be obtained. It is.

  When the charging of the secondary battery is completed, the fact is also notified by a lamp or the like, so that the user pulls out the information code reader 1 (main body case 6) from the receiving recess 3a in the direction opposite to the arrow A. Take out. At this time, since the engagement with the engagement protrusion 5 is released, the protective cover 11 is automatically returned to the closed position by the spring force of the coil spring 14, and the recess 6a (the power receiving terminals 7, 7 and the cleaning pad 8 portion) ).

  Further, when the use is repeated, the cleaning pad 8 itself becomes dirty or deteriorates. In such a case, the user removes the cleaning pad 8 together with the holder 9 from the mounting hole 10 with the protective cover 11 moved to the open position by hand, replaces the cleaning pad 8 with a new one, and then attaches it again. It attaches to the hole 10. Thus, the cleaning pad 8 can be easily replaced, and the ability to wipe off the dirt of the cleaning pad 8 can be maintained high.

  Thus, according to this embodiment, since the cleaning pad 8 is provided in the recess 6a, dirt on the surface of the charging terminal 4 is wiped off by the cleaning pad 8, so that the charging terminal 4 is always clean during charging. Thus, a good contact state with the power receiving terminal 7 can be obtained, and the charging terminal can be automatically set by a normal setting operation with respect to the charger 2 of the main body case 6 without any special operation by the user. 4 will be cleaned. As a result, it is possible to effectively prevent poor contact between the terminals 4 and 7 during charging due to the dirt of the charging terminal 4 of the charger 2.

  In particular, in this embodiment, since the main body case 6 is provided with the protective cover 11, the surfaces of the power receiving terminals 7 and 7 and the cleaning pad 8 may be soiled with, for example, sweat, grease or dust on the palm of the user. Can be effectively prevented, and an even better contact state with the charging terminal 4 of the charger 2 can be obtained. In addition, since the protective cover 11 is automatically opened and closed at this time, the opening and closing operation of the protective cover 11 is simplified, and the configuration for that can be simplified. Furthermore, in the present embodiment, since the cleaning pad 8 is held by the holder 9 and is detachably mounted in the mounting hole portion 10, an advantage that the cleaning pad 8 can be easily replaced can be obtained. .

  FIG. 5 shows a second embodiment of the present invention. The second embodiment is different from the first embodiment in that the power receiving terminal 7 is attached to the back surface of the protective cover 21 that covers the power receiving terminal 7 and the cleaning pad 8 in accordance with the opening / closing operation of the protective cover 21. The second cleaning pad 22 that slides on the surface is provided. FIG. 5A shows a state where the protective cover 21 is in the closed position, and FIG. 5B shows a state where the protective cover 21 is in the open position.

  In this case, when the protective cover 21 is closed, the protective cover 21 covers the power receiving terminal 7 and the cleaning pad 8 provided in the recess 6a of the main body case 6 as shown in FIG. At this time, the second cleaning pad 22 provided on the back surface of the protective cover 21 is disposed below the power receiving terminal 7 and above the cleaning pad 8. The second cleaning pad 22 is also formed in a horizontally long square bar shape from a fiber material such as felt, and is attached to, for example, a groove formed on the back surface of the protective cover 21 by fitting.

  Then, when the main body case 6 is set in the charger 2, the protective cover 21 slides upward in the drawing and is moved to the open position shown in FIG. 5 (b), so that the same as in the first embodiment. After the cleaning pad 8 slides on the surface of the charging terminal 4 of the charger 2 and wipes off the dirt, the charging terminal 4 and the power receiving terminal 7 come into contact with each other, and the secondary battery is charged. When charging is completed and the main body case 6 is removed from the charger 2, the protective cover 21 is slid downward in the figure and returned to the closed position.

  At this time, in the present embodiment, when the protective cover 21 is slid from the closed position to the open position and when the protective cover 21 is slid from the open position to the closed position, the second cleaning pad 22 is connected to the power receiving terminal 7. The surface slides, and the surface of the power receiving terminal 7 is wiped off. Therefore, according to the second embodiment, in addition to being able to obtain the same operation and effect as the first embodiment, it is possible to effectively prevent the power receiving terminal 7 from being contaminated, and the charging terminal. An even better contact state between the power receiving terminal 4 and the power receiving terminal 7 can be obtained.

In each of the above embodiments, the present invention is applied to a handy type information code reading device. However, the present invention is applied to all portable terminal devices that charge and use a secondary battery such as a mobile phone and a PDA. it can be. Also, it is configured to open and close the protective cover is not limited to opening and closing by a slide, or a hinge closure may be or with detachable. A configuration in which the user manually opens and closes the protective cover may be employed. In addition, various modifications can be considered for the material, shape, and mounting method of the cleaning pads 8 and 22, and various modifications can be made to the configuration of the charging terminal on the charger side. Can be implemented with appropriate modifications within a range not departing from the gist.

BRIEF DESCRIPTION OF THE DRAWINGS The 1st Example of this invention is a vertical side view which shows the state from which the information code reader is removed from the charger. Vertical side view of the information code reader set in the charger An exploded perspective view showing a mounting structure of the main body case and the protective cover Vertical side view showing the mounting structure of the cleaning pad FIG. 4 is a schematic longitudinal side view of an information code reading apparatus according to a second embodiment of the present invention.

Explanation of symbols

In the drawings, 1 is an information code reading device (portable terminal device), 2 is a charger, 3a is a receiving recess, 4 is a charging terminal, 5 is an engaging protrusion (engaging portion), 6 is a body case, and 7 is a receiving terminal. , 8 is a cleaning pad, 9 is a holder, 10 is a mounting hole (mounting portion), 11 and 21 are protective covers, 14 is a coil spring, 15a is an engaged portion, and 22 is a second cleaning pad.

Claims (4)

In the portable main body case, it is configured to have a secondary battery as a power source, and for a charger having a receiving recess, the main body case is set so as to be inserted into the receiving recess, thereby receiving power. A mobile terminal device in which a terminal is connected to a charging terminal of the charger to charge the secondary battery,
Wherein the main body case, with the set operation for the receiving recess of the charger body case is provided with a cleaning pad which slides the surface of the charging terminal Rutotomoni,
A portable terminal device provided with a protective cover that covers the power receiving terminal and the cleaning pad portion in an openable and closable manner when the charger is not set . The protective cover is normally biased to a closed position by a spring, and when the main body case is set with respect to the charger, the protective cover is engaged with an engaging portion provided in the charger. The mobile terminal device according to claim 1, wherein the mobile terminal device is configured to be forcibly moved to an open position against the above. The portable terminal device according to claim 1 , wherein the protective cover is provided with a second cleaning pad that slides on a surface of the power receiving terminal in accordance with an opening / closing operation of the protective cover . The portable terminal device according to claim 1 , wherein the cleaning pad is detachably attached to an attachment portion provided in the main body case while being held by a holder .

Images