JP2006222350A - Electronic device and manufacturing method thereof - Google Patents

Abstract

[PROBLEMS] To reduce the restrictions on the mounting space of slots and connectors arranged on the side of a housing, while preventing dust, dust, water, etc. from entering the inside of the housing, and Provided are an electronic device capable of avoiding an increase in man-hours during manufacture and a decrease in appearance, and a method for manufacturing the same.
SOLUTION: To form grooves 30, 32, they are mounted from the inside of the key-side casing 1a so as to close the pressing holes 30f, 32f formed by molding dies formed in inner walls 36, 37 of the grooves 30, 32. The cover member 34 is provided.
[Selection] Figure 2

Description

  The present invention relates to an electronic device and a method for manufacturing the same.

  In general, electronic devices such as mobile communication devices such as mobile phones and PHS, PDA (Personal Digital Assistant) or cordless cordless handsets attached to wired telephones have built-in batteries for obtaining power necessary for transmission and reception. Therefore, it is necessary to charge regularly with a charging stand.

  2. Description of the Related Art Conventionally, as a charging stand for a mobile phone as such an electronic device, for example, there are those shown in FIGS. 3 and 4, for example. The illustrated charging stand A includes a desktop holder 3 in which an accommodation space 2 in which a mobile phone 1 as an electronic device can be mounted is formed on an upper surface, a substrate 4 disposed in the desktop holder 3, and the desktop holder 3. The power feeding terminal 6 attached to the substrate 4 with solder or the like so that the charging terminal 5 of the mobile phone 1 can be brought into contact with the terminal 5 and the power feeding connection plug 7 is connected. A connector 8 attached to the substrate 4 with solder or the like, and a claw portion 10 that protrudes into the accommodation space 2 and engages with the groove 9 of the mobile phone 1 provided on the opposite side of the desktop holder 3 from the power supply terminal 6. It has the structure provided with.

  The desktop holder 3 is formed by integrally assembling an upper case 3a and a lower case 3b, and the claw portion 10 is pivotally supported so as to be rotatable around the pin 11 in the upper case 3a. The lock arm 12 is integrally formed at the distal end of the arm 12, and the lock arm 12 is urged in a counterclockwise direction around the pin 11 in FIG. The claw portion 10 protrudes from the small hole 14 of the upper case 3a by a required amount.

  On the other hand, the connection plug 7 has an AC metal terminal 15 connected to a power outlet (not shown), and an adapter cord 17 for an AC adapter 16 that converts an alternating current into a direct current of a predetermined voltage value. And is detachably connected to the connector 8 from an insertion hole 18 formed in the upper case 3a of the desktop holder 3.

  In addition, foot pieces 19 made of an elastic member such as rubber are attached to the four corners of the bottom surface of the lower case 3b of the desktop holder 3 with a double-sided tape or an adhesive. 3 is designed to stabilize itself and to prevent the surface of a desk or table from being damaged.

  3 and 4, reference numeral 20 denotes a rib protruding on the inner surface side of the accommodation space 2 in the upper case 3 a of the desktop holder 3, and when the cellular phone 1 is mounted in the accommodation space 2, The rib 20 is engaged with the groove 21.

  When charging the mobile phone 1, the connection plug 7 of the adapter cord 17 is connected to the connector 8 through the insertion hole 18 formed in the upper case 3 a of the desktop holder 3 and the AC metal terminal 15 of the AC adapter 16 is connected. When the mobile phone 1 is fitted in the accommodation space 2 of the upper case 3a of the desktop holder 3 in a state where it is connected to the power outlet, the charging terminal 5 of the mobile phone 1 contacts the power supply terminal 6, and The rib 20 is engaged with the groove 21 of the mobile phone 1 and the claw portion 10 protruding from the small hole 14 of the upper case 3 a by a required amount is once pushed into the small hole 14 against the urging force of the spring 13. As a result, insertion of the cellular phone 1 into the accommodation space 2 is allowed, and when the cellular phone 1 is inserted to a predetermined position, the claw portion 10 is made small by the biasing force of the spring 13. 14 holes The required amount protrudes again and engages with the groove 9 of the mobile phone 1 so that the mobile phone 1 cannot be easily removed from the accommodation space 2. In this state, the battery built in the mobile phone 1 is charged. Is called.

  After the charging is completed, when the mobile phone 1 is lifted from the desktop holder 3 with some force, the claw portion 10 engaged with the groove 9 of the mobile phone 1 is small against the urging force of the spring 13. Once pushed into the hole 14, the mobile phone 1 is allowed to be detached from the accommodation space 2, and the mobile phone 1 is removed from the desktop holder 3.

  By the way, in recent years, with the mobile phone 1 becoming multimedia, it is indispensable to mount various interface connectors including an external memory card slot, an earphone jack, a USB connector, and the like. In many cases, the type is arranged on the side surface of the mobile phone 1, particularly on the side surface of the key-side casing 1 a in the folding mobile phone 1 as shown in FIGS. 3 and 4.

  For this reason, when the groove 9 or the groove 21 of the mobile phone 1 is arranged on the side surface of the key-side housing 1a, there is a problem that a mounting space for the slot and connectors is limited.

  As a solution to such a problem, instead of forming the groove 9 or the groove 21 on the side surface of the key-side casing 1a of the mobile phone 1, for example, as shown in FIG. A groove 30 is formed on the back surface (the bottom surface when the mobile phone 1 is set on the charging base A), and only one groove 21 'is formed on the side surface of the key-side casing 1a of the mobile phone 1. This has been proposed by the present inventors.

  In this case, the groove 30 has a structure as shown in FIG. 6, for example. That is, an opening 30a is formed on the back surface of the key-side casing 1a, and an opening recess 30b extending inwardly of the key-side casing 1a is provided so as to be approximately equal to the opening projected area of the opening 30a. By forming an embedded concave portion 30c as a curved portion so as to surround one side (left side in FIG. 6) of the concave portion 30b, the locking piece 10 ′ of the charging base A as an engaged body with respect to the key-side housing 1a is provided. The engagement recess 30d is inserted into the engagement recess 30d and the edge of the opening 30a on the buried recess 30c side is engaged with the engagement piece 10 'inserted into the engagement recess 30d. The groove 30 is configured by the receiving portion 30e.

  Here, in general, the key-side casing 1a of the mobile phone 1 is formed by a molding die (not shown) composed of upper and lower molds, and a portion of the recessed concave portion 30c as the curved portion is a so-called undercut. For this reason, it is inevitable that there is a pressing hole 30f formed inside the engaging recess 30d constituting the groove 30 so as to be pressed by the upper and lower molds of the molding die.

  On the other hand, as shown in FIG. 5, a battery cover B is attached to the back surface of the key-side casing 1a of the mobile phone 1 so as to cover the battery installed therein. Conventionally, for example, Japanese Patent Application Laid-Open No. H10-228707 discloses an invention relating to an engaging portion for the.

  In Patent Document 1, a lock member for engaging the battery lid B with the casing is disposed outside the casing.

  However, if the lock member for engaging the battery lid B with the housing is disposed outside the housing, as shown in Patent Document 1, the appearance deteriorates, while the lock member is a garment or the like. This type of locking member is preferably arranged inside the housing.

  For this reason, in recent mobile phones 1, there are many cases where the engaging portion of the battery lid B with respect to the casing (key-side casing 1a) is arranged inside the key-side casing 1a. As shown in FIG. 7, an opening 32a for the battery 31 is formed on the back surface of the key-side casing 1a so that the locking piece 33 of the battery lid B can be inserted from the end of the opening 32a. An opening recess 32b extending inward of the key-side casing 1a is provided, and an embedded recess 32c as a curved portion is provided so as to pass through one side (right side in FIG. 7) of the opening recess 32b. An engagement recess 32d into which the engagement piece 33 of the battery lid B as an engaged body with respect to the side housing 1a is inserted is formed, and an edge of the opening 32a in the engagement recess 32d on the buried recess 32c side is formed. The locking piece 3 inserted into the engaging recess 32d An engagement receiving portion 32e for receiving the battery lid is formed so as to protrude toward the inside of the key-side casing 1a, whereby a groove 32 for inserting the locking piece 33 of the battery lid B is formed. Yes.

  Here, as described above, the key-side casing 1a of the mobile phone 1 is generally formed by a molding die composed of upper and lower molds. Therefore, the locking piece 10 of the charging stand A as shown in FIG. As in the groove 30 portion of the key-side housing 1a into which the 'is inserted, also in the groove 32 portion of the key-side housing 1a into which the locking piece 33 of the battery lid B as shown in FIG. Since the portion of the recessed recess 32c as the curved portion is a so-called undercut, a pressing hole 32f formed so as to be pressed by the upper and lower molds of the molding die inside the engaging recess 32d constituting the groove 32. It is inevitable that there will be.

In addition, as what has the structure similar to the part of the groove | channel 32 of the key side housing | casing 1a in which the latching piece 33 of the battery cover B as shown in FIG. .
Japanese Patent Laid-Open No. 9-293777 JP 2003-123717 A

  However, a pressing hole 30f is formed inside the engaging recess 30d that forms the groove 30 of the key-side casing 1a into which the locking piece 10 'of the charging base A as shown in FIG. 6 is inserted, or When the pressing hole 32f is formed inside the engaging recess 32d that forms the groove 32 of the key-side casing 1a into which the locking piece 33 of the battery cover B is inserted as shown in FIG. Since dust, dust, water, or the like may enter the inside of the key-side housing 1a from the holes 30f and 32f, it is desirable to close the pressing holes 30f and 32f, leaving room for improvement. It was.

  It should be noted that if the structure including the grooves 30 and 32 on the back side of the key-side housing 1a is divided, it is possible to eliminate the press holes 30f and 32f. There are drawbacks that the number of steps increases and the appearance deteriorates, which is not preferable.

  In view of such circumstances, the present invention can reduce restrictions on the mounting space of slots and connectors disposed on the side of the casing, while dust, dust, water, or the like enters the casing. It is an object of the present invention to provide an electronic device and a method for manufacturing the electronic device that can prevent this from happening, and can further avoid an increase in the number of man-hours during manufacture and a decrease in appearance.

The present invention includes a groove that terminates on the inside of the housing from an opening formed on the surface of the housing, and the groove includes an inflection portion inside the housing.
The groove is formed on the electronic device, wherein the groove is formed by the housing surface portion and a cover member mounted from the inside of the housing.

  In the electronic device, the housing includes an opening edge portion of the groove formed by the housing surface portion, and the opening edge portion is inserted into the groove of the engaged body with respect to the housing. It can be used as an engagement receiving portion for receiving the piece.

  In the electronic device, the housing includes an opening edge portion of the groove formed by the surface portion of the housing, and the opening edge is engaged with the groove of the body to be engaged with the housing. An engagement receiving part for receiving the piece may be provided.

  Further, the cover member can be used as a positioning means for an electronic component built in the housing.

On the other hand, the present invention includes a groove that terminates on the inside of the housing from an opening formed on the surface of the housing, and the groove includes a curved portion inside the housing.
A press hole is formed in the groove by a molding die,
According to another aspect of the present invention, there is provided a method for manufacturing an electronic apparatus, wherein the groove is formed by mounting a cover member from the inside of a housing so as to close the pressing hole.

  According to the electronic device and the manufacturing method thereof of the present invention, restrictions on the mounting space of slots and connectors arranged on the side surface of the housing can be relaxed, while dust, dust, water, or the like is generated inside the housing. It is possible to prevent the intrusion into the glass, and further, it is possible to achieve an excellent effect that it is possible to avoid an increase in the number of man-hours and a decrease in the appearance during the production.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  1 and 2 show an example of an embodiment of the present invention. In the figure, the same reference numerals as those in FIGS. 3 to 7 denote the same parts to form the grooves 30 and 32. FIG. And a cover member 34 mounted from the inside of the key-side casing 1a so as to close the pressing holes 30f, 32f formed by molding dies formed in the inner walls 36, 37 of the grooves 30, 32.

  As shown in FIGS. 2A and 2B, the groove 30 forms an opening 30a on the back surface of the key-side casing 1a, and the key-side casing is substantially equal to the opening projected area of the opening 30a. A key-side casing is formed by providing an opening recess 30b extending inward of the body 1a, and forming an embedded recess 30c as a curved portion so as to surround one side (left side in FIG. 2) of the opening recess 30b. The engaging recess 30d into which the locking piece 10 'of the charging base A as the body to be engaged with 1a is inserted is formed, and the edge of the opening 30a in the engaging recess 30d on the buried recess 30c side is engaged. The engagement receiving portion 30e is configured to receive the locking piece 10 'inserted into the recess 30d.

  2 (a) and 2 (b), the groove 32 is provided adjacent to the groove 30 with a partition wall 35 therebetween, and a battery 31 is provided on the back surface of the key-side casing 1a. An opening recess 32b extending inwardly of the key-side housing 1a is formed so that the locking piece 33 of the battery lid B can be inserted from the end of the opening 32a. A locking piece of the battery lid B as an engaged body with respect to the key-side housing 1a is formed by providing an embedded recess 32c as a curved portion so as to surround one side (right side in FIG. 2) of the opening recess 32b. The engagement recess 32d into which the engagement recess 32d is inserted is formed, and the engagement portion 32d is inserted into the engagement recess 32d at the edge of the opening 32a on the buried recess 32c side. The receiving part 32e protrudes to the inside of the key side housing 1a. Formed and are configured.

  As shown in FIGS. 1 and 2 (a) and 2 (b), the cover member 34 includes a main body 34a having a hollow rectangular parallelepiped shape having an open upper surface, and one side (in FIG. 2) of the bottom of the main body 34a. Is formed so as to extend substantially in parallel with the back surface of the key-side housing 1a from the right side) and can close the pressing hole 30f of the groove 30, and is substantially from the base end side on the bottom surface of the closing plate portion 34b. A leg plate portion 34c that extends vertically downward and is inserted and disposed in the buried recess 30c along the partition wall 35. The bottom surface of the main body portion 34a is connected to the key-side housing. It is formed so as to extend substantially parallel to the back surface of the body 1a and is used as a closing plate portion 34d capable of closing the pressing hole 32f of the groove 32.

  On the other hand, in the illustrated example, the inner wall 36 of the engaging recess 30d in the groove 30 and the closing plate portion 34b of the cover member 34 connected to the inner wall 36 are used as electronic components incorporated in the key-side casing 1a. This is used as the positioning means 39 of the vibration motor 38. This is because various electronic components (not shown) are mounted between the printed circuit board 40 and the key rear case 1b of the key-side casing 1a. The vibration motor 38, which is one of them, is a countermeasure against the height being lower than the height of the space. That is, in a normal case, the vibration motor 38 is positioned by raising the rib from the key rear case 1b side of the key-side casing 1a to position the vibration motor 38, and the wiring of the printed circuit board 40 and the vibration motor 38 Instead of the rib or the like, the inner wall 36 of the engaging recess 30d in the groove 30 and the closing plate portion 34b of the cover member 34 connected to the inner wall 36 are replaced with a vibration motor. This is used in a form that is also used for positioning 38.

  In FIG. 2, reference numeral 1c denotes a key front case, and the key side case 1a is formed by assembling the key front case 1c to the key rear case 1b.

  Next, the operation of the illustrated example will be described.

  First, instead of forming the groove 9 or the groove 21 (see FIGS. 3 and 4) on the side surface of the key-side housing 1a of the mobile phone 1, the back surface of the key-side housing 1a (the mobile phone 1 is set on the charging stand A). The groove 30 is formed on the bottom surface of the mobile phone 1 and only one groove 21 ′ is formed on the side surface of the key-side housing 1 a of the mobile phone 1. It is possible to alleviate restrictions on the mounting space for slots and connectors arranged in the housing.

  In addition, the inside of the engagement recess 30d constituting the groove 30 of the key-side casing 1a into which the locking piece 10 'of the charging base A is inserted, and the key-side casing into which the locking piece 33 of the battery lid B is inserted. Although it is unavoidable that the engagement recesses 32d constituting the groove 32 of 1a have the cut holes 30f and 32f formed so as to be pushed by the upper and lower molds of the molding die. 1 and FIG. 2A, the cover member 34 is mounted from the inside of the key rear case 1b of the key-side housing 1a so that the leg plate portion 34c is inserted along the partition wall 35 into the buried recess 30c. Then, as shown in FIG. 2B, the pressing hole 30f is closed by the closing plate portion 34b protruding from the main body portion 34a of the cover member 34, and the closing plate portion 34d on the bottom surface of the main body portion 34a of the cover member 34. The press Because 32f is blocked, concern is eliminated these Oshikiri holes 30f, 32f portion from dust and dirt, or water or the like from entering the interior of the key side housing 1a.

  Furthermore, in order to eliminate the pressing holes 30f and 32f, it is not necessary to provide a split structure at the location including the grooves 30 and 32 on the back side of the key-side casing 1a, which increases the number of man-hours during manufacture and the appearance. There is no concern about the decline of sex.

  On the other hand, since various electronic components (not shown) are mounted between the printed circuit board 40 and the key rear case 1b of the key-side casing 1a, a certain amount of space is required. The vibration motor 38 is lower than the height of this space. In order to cope with this, in a normal case, the vibration motor 38 is positioned by raising the rib from the key rear case 1b side of the key side case 1a to position the vibration motor 38, and the wiring of the printed board 40 In the illustrated example, the inner wall 36 of the engaging recess 30d in the groove 30 and the closing plate portion 34b of the cover member 34 connected to the inner wall 36 are used for contact with the terminal of the vibration motor 38. Is used as the positioning means 39 of the vibration motor 38 as an electronic component built in the key-side casing 1a, so that the ribs and the like need not be provided, which helps to save space. .

  Further, since the pressing hole 32f is closed by the closing plate portion 34d on the bottom surface of the main body portion 34a of the cover member 34, the locking piece 33 of the battery lid B is formed in the groove 32 as shown in FIG. In the state of being fitted and engaged with the engagement receiving portion 32e, the amount of bending of the locking piece 33 is suppressed as compared with the conventional case shown in FIG. It is possible to prevent the lid B from coming off.

  In this way, it is possible to relax restrictions on the mounting space for slots and connectors disposed on the side surface of the key-side housing 1a, while preventing dust, dirt, water, or the like from entering the inside of the housing. Furthermore, it is possible to avoid an increase in man-hours and a decrease in appearance during production.

  The electronic device and the manufacturing method thereof according to the present invention are not limited to the illustrated examples described above, and it is needless to say that various modifications can be made without departing from the gist of the present invention.

It is an expansion | deployment perspective view which shows the key side housing | casing in an example of embodiment which implements this invention. It is a sectional side view which shows the key side housing | casing in an example of embodiment which implements this invention, Comprising: (a) is an expanded view, (b) is an embedded drawing. It is a perspective view which shows an example of the conventional mobile phone and a charging stand. It is a sectional side view of the prior art example shown in FIG. It is a figure which shows the state which looked at the mobile telephone proposed by the present inventors diagonally from the key side housing | casing back side. It is a sectional side view which shows the part of the groove | channel of the housing | casing in which the locking piece of a charging stand is inserted. It is a sectional side view which shows the part of the groove | channel of the housing | casing in which the latching piece of a battery cover is inserted.

Explanation of symbols

1 Mobile phone (electronic equipment)
1a Key side case (case)
1b Key rear case 1c Key front case 10 'Locking piece 30 Groove 30a Opening 30b Opening recessed 30c Buried recessed (curved)
30d Engaging recess 30e Engagement receiving portion 30f Cut hole 32 Groove 32a Opening portion 32b Opening recess 32c Buried recess (curved portion)
32d Engaging recess 32e Engagement receiving part 32f Cut hole 33 Locking piece 34 Cover member 34a Main body part 34b Closing plate part 34c Leg plate part 34d Closing plate part 36 Inner wall 37 Inner wall 38 Motor for vibration (electronic component)
39 Positioning means A Charging stand (engaged body)
B Battery cover (engaged body)

Claims (5)

In an electronic device comprising a groove that terminates on the inside of the housing from an opening formed on the surface of the housing, the groove having a curved portion inside the housing,
The said groove | channel is formed with the said housing | casing surface part and the cover member with which it mounts | wears from the inner side of a housing | casing, The electronic device characterized by the above-mentioned.   The housing includes an opening edge portion of the groove formed by the surface portion of the housing, and the opening edge portion receives an engagement piece inserted into the groove of an object to be engaged with the housing. The electronic apparatus according to claim 1, wherein the electronic apparatus is used as a part.   The housing includes an opening edge portion of the groove formed by the surface portion of the housing, and an engagement receiving member that receives a locking piece inserted into the groove of an object to be engaged with the housing on the opening edge portion. The electronic device according to claim 1, further comprising a unit.   The electronic device according to claim 1, wherein the cover member is used as a positioning unit for an electronic component built in the housing. In the method for manufacturing an electronic device including a groove that terminates on the inside of the housing from the opening formed on the surface of the housing, the groove includes a curved portion inside the housing.
A press hole is formed in the groove by a molding die,
A method of manufacturing an electronic device, wherein the groove is formed by mounting a cover member from the inside of a housing so as to close the pressing hole.

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