JP2008010599A - Locking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking mechanism for easy attaching/detaching of a battery lid of a mobile phone. <P>SOLUTION: A battery lid 4 of a mobile phone is provided with a protrusion 12 equipped with a slot 14. A mechanism fixture 20 at the side of a lower case 1 is attached with a rotary lock button 21 for rotational operation with a first flange 31 and a second flange 32. When the rotary lock button 21 is rotated in locking direction when locking, the second flange 32 is inserted in the slot 14 of the protrusion 12 of the battery lid 4, and the battery lid 4 is rigidly locked to the lower case 1. When the rotary lock button 21 is rotated in locking release direction when releasing locking of the battery lid 4, the second flange 32 of the rotary lock button 21 is disengaged from the slot 14, while the first flange 31 of the rotary lock button 21 comes under the protrusion 12 of the battery lid 4 to push up the battery lid 4. So, a gap is formed between the battery lid 4 and the lower case 1 for easy removing of the battery lid 4. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a battery lid locking mechanism and a lock of a panel of a portable device such as a mobile phone, a PHS phone (PHS: Personal Handyphone System), a PDA device (PDA: Personal Digital Assistant), or a notebook personal computer device. The present invention relates to a lock device suitable for use in a mechanism or the like, and more particularly, to a lock device that easily locks a lid or the like when locking, and lifts the lid or the like when removed to facilitate removal of the lid or the like.

  Japanese Patent Application Laid-Open No. 2004-296957 (Patent Document 1) discloses a portable terminal device that is intended to make a battery detachable and to maintain a high waterproof performance including the battery part. . In this portable terminal device, a battery chamber having an opening is formed by a pair of internal housings, and the entire internal housing is further covered by a pair of external housings, and the outer housing is covered from above. By covering the opening of the battery chamber with a lid, the waterproof performance is maintained at a high level.

  When attaching the lid to the external housing, the hook of the lid is hooked on the locking portion provided on one side surface of the external housing, and the locking provided on the other side surface of the external housing. The fastener of the lid is engaged with the portion, and the lever of the fastener is rotated in the locking direction. As a result, the lid is firmly fixed to the external casing in such a manner as to cover the opening of the battery chamber from above the external casing.

  On the other hand, when removing the lid from the external housing, the lever provided on the clasp of the lid is rotated in the open direction, and the clasp of the lid is removed from the locking portion of the external housing. While removing, the hook of a cover body is removed from the latching | locking part of an external housing | casing. Thereby, it becomes possible to remove the lid from the external housing. When the lid is removed from the external housing, the opening of the battery chamber is exposed, and the battery can be attached and detached.

JP 2004-296957 A (page 6: FIGS. 6 to 9)

  However, in the case of the portable terminal device disclosed in Patent Document 1, since the lid is fixed from above the outer casing in a manner covering the opening of the battery chamber, the lid and the In addition to the large locking mechanism of the lid, there is a problem that the lid is restricted by the design of the portable terminal device.

  Here, in the case of a portable terminal device in which the battery lid is fixed to the housing with a locking claw or the like, waterproofing is achieved by bringing the battery lid and the housing into close contact via a waterproof packing. Since the battery cover and the casing are firmly adhered to each other by the waterproof packing, there is a problem that it is difficult to remove the battery cover as compared with a normal portable terminal device that is not provided with the waterproof packing. This problem can be solved to some extent by providing a concave portion for hooking a finger on the battery lid side or the housing side. However, if this concave portion is provided, the appearance of the portable terminal device is still impaired. Even if the recess is provided, considerable force is required to remove the battery lid that is firmly attached to the housing via the waterproof packing.

  The present invention has been made in view of the above-described problems, and with a simple configuration, the lid portion can be firmly fixed to the housing at the time of locking without damaging the design of the device, and can be removed. Sometimes, it aims at provision of the locking device which can remove a cover part easily from a housing | casing.

The locking device according to the present invention is a means for solving the above-described problems.
A convex member provided on the side of the detachable member attached to and detached from the housing, and provided with a groove along the rotational operation direction;
A rotating shaft provided on the housing side;
It is provided so as to be rotatable with respect to the rotating shaft, and when the detachable member is mounted, it is fitted into the groove of the convex member by a rotation operation in the mounting direction, and when the detachable member is removed, the rotation operation in the mounting direction is performed. When the detachable member is removed from the first flange portion removed from the groove portion of the convex member by the rotational operation in the removal direction, which is a rotational operation in the opposite direction, the detachable member is rotated by the rotational operation in the removal direction. A rotary operation unit including a second flange portion that moves below the convex member to push up the removable member via the convex member and forms a gap between the removable member and the housing. And have.

  According to the present invention, when the rotation operation unit is rotated in the mounting direction when the detachable member is mounted, the first flange portion provided in the rotation operation unit is fitted into the groove portion of the convex member provided in the detachable member. Include. Thereby, the detachable member can be firmly fixed to the housing.

  Further, when the rotation operation portion is rotated in the removal direction when the detachable member is removed, the first flange portion is removed from the groove portion of the convex member, and the second flange portion of the rotation operation portion is protruded from the convex portion of the detachable member. The detachable member is pushed up through the convex member by moving downward. A gap is formed between the detachable member and the housing. Thus, the detachable member can be easily removed from the housing by hooking a finger into the gap.

  In addition, since the gap is formed by pushing up the detachable member, there is no need to provide a recess for hooking a finger, and the inconvenience that the appearance of the device to which the present invention is applied can be prevented.

  The present invention has a simple configuration and can securely fix the detachable member to the casing when locked without damaging the design of the device. The detachable member can be easily detached from the casing when removed. be able to.

The present invention can be applied to a battery lid locking mechanism of a mobile phone having a waterproof function.

[Configuration of mobile phone]
The mobile phone according to the embodiment of the present invention is a so-called stick-type mobile phone, and has a substantially rectangular lower housing 1 as shown in FIG. The lower casing 1 is abutted with an upper casing (not shown) via a rubber band-shaped waterproof packing formed of a rubber member, and is screwed with a plurality of screw portions 2.

  In addition, a concave battery housing portion 3 is provided at a substantially lower half position of the lower housing 1. The battery housing 3 is covered with a battery lid 4 having a length that is approximately half the total length of the lower housing 1. In addition, a lock mechanism 5 for attaching and detaching the battery lid portion 4 to and from the lower housing 1 by a rotating operation is provided at a substantially central portion of the lower housing 1. For this reason, the battery lid portion 4 is provided with a semicircular cutout portion 6 for exposing the lock mechanism 5 when the battery lid portion 4 is attached to the lower housing 1.

In addition, the mobile phone is fixed to the lower housing 1 by, for example, ultrasonic welding or double-sided tape, and covers the screw hole of the screw portion 2 and the butted portion 6 of the battery lid portion 4. The cover 8 is provided with a semicircular cutout 7 for exposing the lock mechanism 5.

[Battery cover configuration]
FIGS. 2A to 2C are views of the battery lid 4 viewed from the back side (= views seen from the battery housing 3 side), right side views of the back of the battery lid 4 viewed from the right side, The left side view which looked at the back of battery lid part 4 from the left side is shown, respectively. As can be seen from FIGS. 1 and 2 (a) to 2 (c), the battery cover 4 has a substantially rectangular plate shape, and protrudes on both side surfaces in the longitudinal direction toward the battery housing 3 side. It has a pair of holding claws 9 provided. Moreover, the battery cover part 4 has two fitting hole parts 10 shown in FIG. 1 provided on the side of the lower housing 1 on the side part opposite to the side part provided with the notch 6. It has a pair of fitting nail | claw part 11 fitted in.

  Further, the cutout portion 6 of the battery lid portion 4 is provided with a convex portion 12 that protrudes from the battery lid portion 4 to the battery storage portion 3. As shown in FIG. 2 (a), the convex portion 12 extends along the outer diameter of the cutout portion 6 so as to be approximately 2/3 of the length of the outer diameter of the cutout portion 6. Is provided. Further, as shown in FIGS. 2A and 2B, the convex portion 12 was cut out so that the height gradually increased from one end portion along the direction in which the convex portion 12 was formed. A tapered portion 13 is provided. Further, as shown in FIG. 2C, the convex portion 12 has a groove portion 14 provided along the direction in which the convex portion 12 is formed.

  Further, as shown in FIGS. 2A to 2C, the battery lid portion 4 has a waterproof packing 15 that is substantially the same size as the outer shape of the battery housing portion 3 and is formed of a rubber member. Is provided.

As shown in FIG. 1, such a battery lid 4 is attached to the lower housing 1 in such a manner that the secondary battery 16 held by each holding claw 9 is stored in the battery storage 3. At this time, the waterproof packing 15 acts so as to fill a gap between the lower housing 1 and the battery cover 4. Thereby, the waterproofness of the mobile phone is maintained.

[Configuration of locking mechanism]
The lock mechanism 5 includes a mechanism mounting portion 20 provided on the lower housing 1 side, a substantially bottomed cylindrical rotation lock button 21 mounted on the mechanism mounting portion 20, and a rotation mounted on the mechanism mounting portion 20. A rotation position restricting plate 22 that restricts the rotation position of the lock button 21 is provided.

  3A is a top view of the rotation lock button 21 as viewed from above, FIG. 3B is a left side view of the rotation lock button 21 as viewed from the left side, and FIG. The right side view seen from the right side is shown, and the bottom view of the rotation lock button 21 seen from below is shown in FIG.

  First, as can be seen from FIG. 3A, the rotation lock button 21 has a first flange portion 31 and a second flange portion 31 that are provided so as to protrude from the side portions. Each flange part 31 and 32 is provided so that it may each be located on a diagonal line. The rotation lock button 21 is provided with a rotation operation groove 25 for inserting a coin or a dedicated opener and rotating the rotation lock button 21.

  The first flange portion 31 is provided with a convex portion 33 as shown in FIGS. 3A, 3B, and 3D, and this convex portion 33 is a rotational position described later. The rotation position of the rotation lock button 21 is regulated by fitting with a recess provided in the regulation plate 22.

  Further, as shown in FIG. 3B, the first flange portion 31 has a tapered portion that is obliquely cut out so that the height gradually increases from the lower portion to the upper portion of the first flange portion 31. 34 is provided. When the rotation lock button 21 is rotated in the direction (unlock direction) in which the battery lid 4 is removed, the taper 34 is provided via the taper 13 provided on the convex portion 12 of the battery lid 4. The first flange portion 31 is smoothly submerged under the battery lid portion 4 so that the battery lid portion 4 is lifted from the lower housing 1.

  Further, the taper portion 34 is pressed in the direction of the battery housing portion 3 (= thickness direction of the lower housing 1) with the first flange portion 31 under the battery lid portion 4. At the time, the force in the thickness direction of the lower casing 1 is converted into the force in the locking direction of the rotary lock button 21 by contacting the tapered portion 13 provided on the convex portion 12 of the battery lid portion 4. The rotation lock button 21 is rotated in the lock direction so that the rotation lock button 21 is moved to the initial rotation position.

  On the other hand, the second flange portion 32 shown in FIG. 3C is inserted into the groove portion 14 provided in the convex portion 12 of the battery lid portion 4 when the rotation lock button 21 is rotated in the locking direction. The battery lid portion 4 acts so as to be firmly fixed to the lower housing 1.

  Next, as shown in FIG. 3 (d), the rotation lock button 21 has a screw hole 35 provided on the inner surface thereof so as to be coaxial with the rotation axis of the rotation lock button 21, and the rotation A rotation position restricting protrusion 36 is provided so as to protrude from the inner peripheral wall of the lock button 21 toward the screw hole 35.

As shown in FIG. 4, the rotation lock button 21 is attached to a mechanism attachment portion 20 provided on the lower housing 1 side via a waterproof O-ring 37 (O-ring) formed of a rubber member. The screw 38 is inserted into the screw hole 35 shown in FIG. 3D from the back side of the housing 1 (= the inner surface side of the mobile phone), so that the mechanism mounting portion 20 is screwed. Yes. As will be described in detail later, by this screwing, the rotation position restricting protrusion 36 provided on the rotation lock button 21 (see FIG. 3D) is selected from either of the mechanism mounting portions 20 according to the rotation position. The rotation position of the rotation lock button 21 is regulated by contacting the stopper 41 or the stopper 42.

[Configuration of the rotation position restricting plate]
As shown in FIG. 5, the rotational position restricting plate 22 has a semicircular plate shape. A fixing hole 45 is provided at one end, and a positioning guide hole 46 is provided at the other end. Is provided. Moreover, the 1st insertion part 47 and the 2nd insertion part 48 which are fitted in the convex part 33 provided in the 1st flange part 31 of the rotation lock button 21 are provided in the inner peripheral surface side. It has been.

  Among these, the first fitting portion 47 is formed when the first flange portion 31 provided in the rotation lock button 21 is in a rotational position just before entering the lower side of the battery lid portion 4. The rotation position restricting plate 22 is provided so as to be fitted with the convex portion 33 of the flange portion 31.

  Further, when the second fitting portion 48 is completely fitted into the groove portion 14 provided on the convex portion 12 of the battery lid portion 4, the second flange portion 32 provided on the rotation lock button 21 is fitted. The rotation position restricting plate 22 is provided so as to be fitted with the convex portion 33 of the first flange portion 31.

Further, the rotation lock button 21 is rotated in the unlocking direction shown in FIG. 5 from the state in which the convex portion 33 of the first flange portion 31 is fitted into the first fitting portion 47 of the rotational position restricting plate 22. At this time, it is necessary to retract the convex portion 33 that moves away from the first fitting portion 47 and rotates in the unlocking direction. Therefore, on the other end side of the rotational position restricting plate 22, as shown by a dotted line in FIG. 5, a withdrawal notch 49 is provided along the inner peripheral wall. The convex portion 33 that moves away from the first fitting portion 47 and rotates in the unlocking direction is retracted in the formed gap portion.

[Configuration of mechanism mounting part]
Next, as shown in FIGS. 1 and 4, the mechanism mounting portion 20 includes a rotation shaft portion 50 to which the rotation lock button 21 is mounted and a fixing pin that is inserted through the first fitting portion 45 of the rotation position restricting plate 22. 51 and a positioning convex portion 52 that fits into the second fitting portion 46 of the rotational position restricting plate 22. Further, the mechanism mounting portion 20 is provided with a convex portion 12 provided on the battery lid portion 4 when the battery lid portion 4 is mounted on the lower housing 1 (see FIGS. 2A to 2C). Has a convex portion accommodating portion 54 for accommodating the.

  The rotation shaft portion 50 is provided with a screw hole portion 53 through which the screw 38 is inserted so as to be coaxial with the rotation shaft. Further, the rotary shaft portion 50 is provided with a first stopper 41 and a second stopper 42 that are provided so as to protrude in opposite directions with respect to the screw hole portion 53, respectively. Of these, the first stopper 41 is rotated about the rotation lock button 21 in the unlocking direction, so that approximately half of the first flange portion 31 has entered the lower side of the battery lid portion 4. At this time, it comes into contact with the rotation position restricting protrusion 36 (see FIG. 3D) of the rotation lock button 21 and serves as a stopper for restricting the rotation position of the rotation lock button 21.

  Further, the second stopper 42 rotates the rotation lock button 21 in the locking direction so that the convex portion 33 of the first flange portion 31 is fitted into the second fitting portion 48 of the rotational position restricting plate 22. When it is in the retracted state, it comes into contact with the rotation position restricting protrusion 36 of the rotation lock button 21 and serves as a stopper for restricting the rotation position of the rotation lock button 21.

  FIG. 6 shows a plan view of the mechanism mounting portion 20 with the rotational position restricting plate 22 mounted as viewed from the front. As can be seen from FIG. 5, the rotational position restricting plate 22 allows the first fitting portion 45 to be inserted into the fixing pin 51 of the mechanism mounting portion 20 and the second fitting portion 46 to be positioned to the mechanism mounting portion 20. By fitting into the convex portion 52, the mechanism is attached to the mechanism mounting portion 20.

FIG. 4 is a drawing in which the rotation position restricting plate 22 is not shown. Actually, it should be understood that the rotation position restricting plate 22 is mounted on the mechanism mounting portion 20 and the rotation lock button 21 is mounted on the mechanism mounting portion 20 as shown in FIG.

[Operation of locking mechanism]
Next, the operation of the lock mechanism of the battery lid 4 in the mobile phone of the embodiment having such a configuration will be described.

[Lock operation]
First, when the battery cover 4 is attached to the lower housing 1, the secondary battery 16 is held by the holding claws 9 of the battery cover 4 as shown in FIG. 1. Next, each insertion claw portion 11 provided in the battery lid portion 4 shown in FIGS. 2A to 2C is replaced with each insertion hole portion provided on the lower housing 1 side shown in FIG. 10, and a force in the direction of the lower housing 1 is applied to the battery lid 4 while keeping this state. Accordingly, the secondary battery 16 held by each holding claw portion 9 of the battery lid portion 4 is stored in the battery storage portion 3 of the lower housing 1 and is shown in FIGS. 2 (a) to 2 (c). The convex part 12 of the battery cover part 4 will be located on the convex part accommodating part 54 (refer FIG. 4) provided in the mechanism mounting part 20 of the lower housing | casing 1. FIG.

  Here, as will be described in the following “unlocking operation”, in the case of the mobile phone of the embodiment, when the unlocking operation is performed, the tapered portion provided in the first flange portion 31 of the rotation lock button 21. 34 is in contact with the tapered portion 13 provided on the convex portion 12 of the battery lid portion 4, and approximately half of the first flange portion 31 is submerged under the battery lid portion 4, and the convex portion of the battery lid portion 4. The battery lid 4 is pushed up via 12. For this reason, when the battery lid portion 4 is mounted, as shown in FIG. 7A, the taper of the first flange portion 31 of the rotation lock button 21 that stops at the rotational position that has entered under the battery lid portion 4. The portion 34 and the tapered portion 13 provided on the convex portion 12 of the battery lid portion 4 are in contact with each other.

  Next, in a state where the taper portion 34 of the first flange portion 31 of the rotation lock button 21 and the taper portion 13 provided on the convex portion 12 of the battery lid portion 4 are in contact with each other, the lower housing 1 direction is further increased. When the force is applied to the battery lid 4, the force in the direction of the lower housing 1 is changed to the force in the lock direction of the rotary lock button 21 indicated by the arrow in FIG. Converted. Then, the rotation lock button 21 is rotated in the lock direction by being pushed out in the lock direction by the taper portion 13 provided on the convex portion 12 of the battery lid portion 4, and as shown in FIG. 7B. The convex portion 33 of the first flange portion 31 is fitted into the first fitting portion 47 of the rotational position restricting plate 22, and the rotation of the rotation lock button 21 is temporarily stopped. This state is a state where the battery cover 4 is completely closed, but is not locked by the rotation lock button 21.

  Next, in this state, for example, a coin or a dedicated opener is inserted into the rotation operation groove 25 of the rotation lock button 21, and the rotation lock button 21 is rotated in the locking direction indicated by the arrow in FIG. Thereby, as shown in FIG. 8, the convex portion 33 provided on the first flange portion 31 of the rotation lock button 21 is fitted into the second fitting portion 48 of the rotation position restricting plate 22 and the rotation is performed. The rotation of the lock button 21 in the lock direction stops. Further, at this time, the rotation position restricting protrusion 36 provided on the inner peripheral side of the rotation lock button 21 is provided with the second stopper 42 provided on the rotation shaft 50 as shown in FIG. The rotation lock button 21 stops rotating.

Further, when the rotation lock button 21 is rotated in the lock direction indicated by the arrow in FIG. 7 from the state where the rotation lock button 21 is not locked, the protrusion 12 of the battery cover 4 is provided on the protrusion 12 as shown in FIG. The second flange portion 32 of the rotation lock button 21 is inserted into the groove portion 14. Then, when the rotation position restricting protrusion 36 of the rotation lock button 21 comes into contact with the second stopper 42 of the rotation shaft portion 50, as shown by a dotted line in FIG. The flange portion 32 is completely fitted into the groove portion 14 provided in the convex portion 12 of the battery lid portion 4, and the battery lid portion 4 is locked to the lower housing 1.

(Unlock operation)
Next, when removing the battery cover 4, a coin or a dedicated opener is inserted into the rotation operation groove 25 of the rotation lock button 21 as described above, and the rotation lock button 21 is unlocked in the direction indicated by the arrow in FIG. 8. Rotate to. Thereby, the convex portion 33 of the first flange portion 31 of the rotation lock button 21 shown in FIG. 8 is detached from the second fitting portion 48 of the rotation position restricting plate 22. When the rotation lock button 21 is further rotated in the unlocking direction, the convex portion 33 of the first flange portion 31 of the rotation lock button 21 is moved to the first position of the rotation position restricting plate 22 as shown in FIG. It fits into the fitting part 47 of. Further, when the convex portion 33 shown in FIG. 7B is fitted into the first fitting portion 47, the second flange portion 32 of the rotation lock button 21 is connected to the convex portion 12 of the battery lid portion 4. It will be in the state completely removed from the groove part 14 provided in.

  As a result, the battery lid 4 can be removed from the lower housing 1, but as described above, the battery lid 4 is in close contact with the lower housing 1 via the waterproof packing 15, and It is difficult to remove the battery lid 4 from the lower housing 1 while the convex portion 33 is fitted in the first fitting portion 47.

  For this reason, the rotation lock button 21 is further rotated in the unlocking direction using the coin or a dedicated opener from the state in which the convex portion 33 is fitted in the first fitting portion 47. When this rotation operation is performed, the convex portion 33 is detached from the first fitting portion 47, and the convex portion 33 of the first flange portion 31 is rotated by the rotational position restricting plate 22 as shown in FIG. It moves to the gap formed by the cutout portion 49 provided in the evacuation. Further, when the convex portion 33 of the first flange portion 31 moves to the gap formed by the cutout portion 49 provided in the rotational position restricting plate 22, it rotates as shown in FIG. 9B. The rotation position restricting protrusion 36 provided on the inner peripheral side of the lock button 21 abuts on the first stopper 41 provided on the rotation shaft portion 50 to stop the rotation of the rotation lock button 21.

  Further, from the state in which the convex portion 33 of the first flange portion 31 is fitted into the first fitting portion 47 of the rotational position restricting plate 22, the rotation lock button 21 is further unlocked using the coin or a dedicated opener. When the rotation operation is performed in the direction, as shown in FIG. 7A, the taper portion 34 provided on the first flange portion 31 of the rotation lock button 21 and the taper provided on the convex portion 12 of the battery lid portion 4. While being in contact with the portion 13, approximately half of the first flange portion 31 sinks under the battery lid portion 4. Then, the first flange portion 31 of the rotation lock button 21 pushes up the battery lid portion 4 via the convex portion 12 of the battery lid portion 4.

As a result, the portion of the battery lid 4 where the convex portion 12 is provided is in a state of being lifted from the lower housing 1. For this reason, the battery lid 4 can be easily detached from the lower housing 1 by hooking a finger on the raised portion of the battery lid 4.

(Operation of the battery cover's holding claw)
Here, as described above, the secondary battery 16 is housed in the battery housing portion 3 of the lower housing 1 while being held by the holding claws 9 provided in the battery lid portion 4. For this reason, when the battery lid part 4 is pushed up by the first flange part 31, the secondary battery 16 is also lifted from the battery storage part 3. When the battery cover 4 is removed from the lower housing 1, the secondary battery 16 is removed from the battery housing 3 of the lower housing 1 simultaneously with the battery cover 4.

Usually, the operation of removing the battery cover 4 and the operation of removing the secondary battery 16 are different operations. In the case of the mobile phone of the embodiment, the secondary battery is removed at the same time as the battery cover 4 is removed. Since 16 can also be removed, battery replacement work and the like can be facilitated.

[Effect of the embodiment]
As is clear from the above description, the mobile phone of this embodiment is provided with the first flange portion 31 and the second flange portion 32 on the rotation lock button 21. In addition, the battery lid portion 4 is provided with a convex portion 12, and the groove portion 14 into which the second flange portion 32 is fitted is provided in the convex portion 12 in accordance with the rotation operation of the rotation lock button 21. At the time of locking, the rotation lock button 21 is rotated in the locking direction, and the second flange portion 32 provided on the rotation lock button 21 is changed to the groove portion provided on the convex portion 12 of the battery lid portion 4. 14 is inserted. Thereby, the battery lid part 4 can be firmly locked with respect to the lower housing | casing 1 by simple rotation operation.

  Further, when unlocking, the rotation lock button 21 is rotated in the unlocking direction, and the second flange portion 32 provided on the rotation lock button 21 is provided on the convex portion 12 of the battery lid portion 4. The battery lid portion 4 is pushed up by the first flange portion 31 of the rotation lock button 21 through the convex portion 12 of the battery lid portion 4. As a result, the battery lid 4 can be easily detached from the lower housing 1 by hooking a finger on the pushed up portion of the battery lid 4.

  In addition, the battery lid portion 4 is provided with the convex portion 12 having the groove portion 14, and the rotation lock button 21 having the first flange portion 31 and the second flange portion 32 is provided with a simple configuration. Can do.

  Further, since the first flange portion 31 is configured to push up the battery lid portion 4 via the convex portion 12 of the battery lid portion 4, there is no need to provide a concave portion for hooking a finger on the battery lid portion 4, Providing this recess can prevent inconvenience that the appearance of the mobile phone is impaired.

Further, each holding claw portion 9 is provided in the battery lid portion 4, and the secondary battery 16 is held by each holding claw portion 9 and then stored in the battery storage portion 3 of the lower housing 1, so that the battery lid portion At the same time as 4 is removed, the secondary battery 16 can also be removed. For this reason, the removal operation of the battery cover 4 and the removal operation of the secondary battery 16 can be performed simultaneously, and the battery replacement work and the like can be facilitated.

[Modification]
In the above description of the embodiment, the present invention is applied to the lock mechanism of the battery cover 4 of the mobile phone. However, the present invention can also be applied to the lock mechanism of the decorative panel of the mobile phone. . Even in this case, the same effect as described above can be obtained.

  In the description of the above-described embodiment, the present invention is applied to a mobile phone. However, the present invention is not limited to this mobile phone, but may be a PHS phone (PHS: Personal Handyphone System), a PDA device ( It can be applied to PDA (Personal Digital Assistant) or portable devices such as notebook personal computer devices and portable game machines. In any case, the same effect as described above can be obtained.

  Finally, the present invention is not limited to the above-described embodiment, which is disclosed only as an example of the present invention. For this reason, as long as it is the range which does not deviate from the technical idea which concerns on this invention, it adds that it is needless to say that various changes are possible according to a design etc. also except the above-mentioned embodiment. .

It is a disassembled perspective view of the principal part of the mobile telephone which becomes embodiment to which this invention is applied. It is a figure which shows the back surface of the battery cover part of the mobile telephone of embodiment. It is a figure which shows the rotation lock button provided in the mobile telephone of embodiment. It is a disassembled perspective view which shows a mode that a rotation lock button is mounted | worn with the mechanism mounting part provided in the lower housing | casing of the mobile telephone of embodiment. It is a figure which shows the rotational position control board with which the mechanism mounting part provided in the lower housing | casing of the mobile telephone of embodiment is mounted | worn. It is a figure which shows the rotation position control board with which the mechanism mounting part provided in the lower housing | casing of the mobile telephone of embodiment was mounted | worn. It is a figure for demonstrating the locking operation | movement of the locking mechanism of the battery cover part 4 in the mobile telephone of embodiment, and unlocking operation | movement. It is a figure for demonstrating the locking operation | movement of the locking mechanism of the battery cover part 4 in the mobile telephone of embodiment, and unlocking operation | movement. It is a figure which shows the rotation stop position of the protrusion part for rotation position regulation of a rotation lock button at the time of the lock | rock of the battery cover part 4, and a lock release. FIG. 4 is a perspective view showing a state in which a second flange of a rotation lock button is fitted into a groove provided in a convex portion of the battery lid portion 4 when the battery lid portion 4 is locked.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Lower housing | casing, 2 Screw part, 3 Battery storage part, 4 Battery cover part, 5 Lock mechanism, 6 Notch part of battery cover part, 7 Notch part of cover, 8 Cover, 9 Holding claw part of battery cover part DESCRIPTION OF SYMBOLS 10 The insertion hole part for inserting the insertion claw part of a battery cover part, 11 The insertion claw part of a battery cover part, 12 The convex part of a battery cover part, 13 The taper provided in the convex part of a battery cover part , 14 Groove provided on the convex part of the battery cover part, 15 Waterproof packing of the battery cover part, 16 Secondary battery, 20 Mechanism mounting part, 21 Rotation lock button, 22 Rotation position restricting plate, 25 Rotation of the rotation lock button Groove portion for operation, 31 First flange portion of rotation lock button, 32 Second flange portion of rotation lock button, 33 Convex portion of first flange portion, 34 Taper portion of first flange portion, 35 Rotation lock button Screw hole, 36 rotation lock Rotation position restricting protrusion of tongue, 37 O-ring (O-ring), 38 Screw for fixing rotation lock button, 41 First stopper for restricting rotation position of rotation lock button, 42 Restricting rotation position of rotation lock button A second stopper to be fixed, 45 a hole for fixing the rotational position restricting plate, 46 a guide hole for positioning the rotational position restricting plate, 47 a first fitting portion of the rotational position restricting plate, and 48 of the rotational position restricting plate. 2nd fitting part, 49 Recessed notch part which retracts the convex part of 1st flange part, Rotating shaft part which mounts 50 rotation lock button, 51 Fixed pin which fixes rotation position control board, 52 Rotation position Positioning convex portion for positioning the regulating plate, 53 Screw hole portion of the mechanism mounting portion, 54 Convex portion storing portion of the mechanism mounting portion storing the convex portion of the battery lid portion

Claims (6)

A convex member provided on the side of the detachable member attached to and detached from the housing, and provided with a groove along the rotational operation direction;
A rotating shaft provided on the housing side;
It is provided so as to be rotatable with respect to the rotating shaft, and when the detachable member is mounted, it is fitted into the groove of the convex member by a rotation operation in the mounting direction, and when the detachable member is removed, the rotation operation in the mounting direction is performed. When the detachable member is removed from the first flange portion removed from the groove portion of the convex member by the rotational operation in the removal direction, which is a rotational operation in the opposite direction, the detachable member is rotated by the rotational operation in the removal direction. A rotary operation unit including a second flange portion that moves below the convex member to push up the removable member via the convex member and forms a gap between the removable member and the housing. And a locking device. The locking device according to claim 1,
At the end of the second flange portion of the rotation operation portion that contacts the convex member when the detachable member is removed, and at the end of the convex member that contacts the end portion of the second flange portion Each of the locking devices is provided with a taper-shaped notch that reduces frictional force at the time of contact. The locking device according to claim 2,
The first flange portion is provided with a convex portion protruding from the outer peripheral portion,
The first flange is provided when the rotation operation portion is rotated at a rotation position provided on the housing side and at least inserted into the groove portion of the convex member. It has a rotation position control board provided with the fitting part in which the said convex part of a part fits. The locking device characterized by the above-mentioned. The locking device according to claim 3,
The rotational position restricting plate has the rotational operation portion at a rotational position immediately before the end of the second flange portion and the end of the convex member abutted with the tapered cutout, respectively. The lock device further includes a fitting portion into which the convex portion of the first flange portion is fitted when the is rotated. The locking device according to claim 4,
The rotation operation part has a convex part on its inner peripheral side,
The rotation shaft portion is arranged on the inner peripheral side of the rotation operation portion when the rotation operation portion is rotated at a rotation position where the first flange portion of the rotation operation portion is fitted into the groove portion of the convex member. A stopper that abuts against the convex portion provided on the surface and restricts the rotational position of the rotational operation portion, and the rotational operation portion when the first flange portion moves a predetermined amount below the convex member of the detachable member. A locking device comprising: a stopper that abuts on the convex portion provided on the inner peripheral side of the base plate and regulates the rotational position of the rotational operation portion. The locking device according to claim 1,
The housing has a storage portion for storing a storage member,
The detachable member has a holding claw portion for holding the storage member,
The lock device according to claim 1, wherein the detachable member is attached to the housing in a state where the housing member held by the holding claw portion is housed in the housing portion of the housing.

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