JP2006130474A - Vibrator holding device and electronic equipment carrying vibrator holding device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vibrator holding device reducing assembly variations when holding a vibrator with a holding member, and improving the contact reliability. <P>SOLUTION: The vibrator holding device is equipped with the holding member for the vibrator for vibrating an electronic equipment body such as a communication terminal device. The device is constituted so that the terminal of the vibrator comes into contact with a contact part of a substrate when the vibrator is held with the holding member. The device is characterized in that the holding member is fixed to the substrate. The device reduces the assembly variations and improves the contact reliability. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vibrator holding device for attaching a vibrator that vibrates a main body of an electronic device such as a communication terminal device represented by a pager or a mobile phone, and an electronic device equipped with the vibrator holding device.

  In an electronic device such as a communication terminal device represented by a pager or a mobile phone, it is generally performed to attach a vibrator to vibrate the electronic device body in order to notify the user of an incoming call. This vibrator attaches an eccentric body to a drive shaft of a motor, and transmits vibration generated by rotating the eccentric body with the drive shaft to an electronic device main body.

  By the way, in a vibrator holding device in a conventional electronic device such as a communication terminal device, the vibrator is held by press-fitting and fitting a vibrator covered with a buffer material into a holding portion formed integrally with the vibrator mounting base. In addition, a configuration is adopted in which a leaf spring-like terminal projecting from the vibrator is passed through a through hole of a shield case attached to the printed circuit board so that the contact is brought into contact with the contact portion of the printed circuit board. In other words, the vibrator mounting base employs a configuration in which a vibrator holding portion is provided on the upper part of the circuit board by using a shield member that was originally necessary on the circuit board to hold the vibrator. In addition, the workability at the time of disassembling is good, and the necessary arrangement space is reduced, and the apparatus can be miniaturized. (For example, see Patent Document 1)

JP 2001-29887 A (column 5, lines 13-26, FIG. 1)

  As described above, the conventional vibrator holding device is press-fitted into the holding portion formed integrally with the vibrator mounting base while bending the cushioning material covering the vibrator. There was a problem that the material was not bent uniformly, and the vibrator was tilted and held with respect to the mounting base.

  Further, due to this problem, it is difficult to ensure contact reliability because the contact pressure required to bring the leaf spring-like terminal protruding from the vibrator into contact with the circuit board cannot be secured. In addition, when the vibrator is tilted and held, the clearance between the weight portion of the vibrator and the outer casing is reduced. For this reason, when the inclination of the vibrator becomes large, there is a problem that the weight portion of the vibrator comes into contact with the outer casing and abnormal noise is generated.

  The present invention was made to solve the above problems, and a first object is to reduce a variation in assembly when the vibrator is held by the holding member, and a vibrator holding device that improves contact reliability and An electronic device equipped with the vibrator holding device is obtained.

  The second object is to obtain a vibrator holding device that facilitates transmission of vibration to the exterior housing by a cushioning material that covers the vibrator, and an electronic device equipped with the vibrator holding device.

  Furthermore, a third object is to obtain a vibrator holding device that can reduce an impact on a mounted component of a circuit board, and an electronic device equipped with the vibrator holding device.

  A vibrator holding device according to the present invention includes a vibrator holding member that vibrates an electronic device main body such as a communication terminal device. When the vibrator is held by the holding member, the vibrator terminal contacts a contact portion of a circuit board. In addition, the holding member is fixed to the circuit board.

  In addition, an electronic device according to the present invention includes a vibrator that vibrates the electronic device main body, a holding member that holds the vibrator, and a contact portion that contacts a terminal of the vibrator when the vibrator is held by the holding member. And a circuit board, and the holding member is fixed to the circuit board.

  According to the present invention, since the holding member for holding the vibrator is fixed to the circuit board, the variation in the contact position between the vibrator terminal and the contact portion of the circuit board is reduced, and the contact reliability is improved. is there.

  Hereinafter, in each embodiment of the present invention, a mobile phone is illustrated and described as an example of an electronic device such as a communication terminal device. However, the present invention is not limited thereto, and other electronic devices such as a communication terminal device may be used. Of course, it is applicable also to an apparatus.

Embodiment 1 FIG.
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view of a main part of a mobile phone showing an embodiment of the invention equipped with a vibrator holding device according to Embodiment 1 of the present invention, and FIG. 2 is a partial sectional view of the mobile phone shown in FIG. is there.

  As shown in FIG. 1, the mobile phone includes a holding member 3 that holds a vibrator 2 that vibrates the outer casing 1 by holding it with a spring force. The vibrator 2 includes a case 5 of the vibrator main body 4 and a plate on which one end is fixed to the case 5 by soldering or the like after being integrally formed with the case 5 or formed separately, and the other end is projected. And a spring-like terminal 6. On the other hand, the circuit board 7 to which the holding member 3 is fixed has a contact portion 9 where the soldering portion 8 on which the holding member 3 is mounted and the leaf spring-like terminal 6 of the vibrator 2 are in pressure contact. The vibrator 2 is held by a cover member 10 made of a cushioning material so that a part of the upper surface, side surface, and bottom surface thereof is covered in FIG. 2, and the leaf spring-like terminal 6 protrudes from the bottom surface portion of the cover member 10, The contact portion 9 is configured to be in pressure contact. The cover member 10 has a hollow hole 11 formed on the upper surface in FIG. 1 or FIG. 2, but this is not always necessary.

  As shown in FIG. 2, the holding member 3 for holding the vibrator 2 is mounted on a soldering portion 8 provided on the circuit board 7 by soldering. The holding member 3 is mounted on the circuit board 7 by an automatic mounting machine and soldered through a reflow furnace. When the vibrator 2 is held by the holding member 3, the leaf spring-like terminal 6 projecting from the case 5 of the vibrator main body 4 and the contact portion 9 on the circuit board 7 are brought into contact with each other to be brought into conduction. As a result, drive power from the drive circuit provided on the circuit board 7 is supplied to the vibrator 2 via the contact portion 9 and the leaf spring-like terminal 6, and the vibrator 2 vibrates, and the vibration causes the circuit board 7 to vibrate. The mobile phone main body vibrates by being transmitted to the exterior housing 1 via the route.

  In the conventional vibrator holding device, when the holding member is attached to the circuit board, it is attached by pawl fitting or the like, so that the attachment portion is likely to be rattled, and the clearance between the vibrator and the circuit board is likely to vary. According to this embodiment, since the holding member 3 and the circuit board 7 are fixed by soldering, no rattling occurs in the fixing portion. Therefore, variation in the clearance between the vibrator 2 and the circuit board 7 can be reduced, and the contact reliability between the leaf spring terminal 6 protruding from the case 5 of the vibrator body 4 and the contact portion 9 on the circuit board 7 is improved. Can be made.

Embodiment 2. FIG.
Next, another embodiment of the present invention will be described. FIG. 3 is an exploded perspective view of the main part of the mobile phone showing the embodiment of the invention equipped with the vibrator holding device according to Embodiment 2 of the present invention, and FIG. 4 is a partial sectional view of the mobile phone shown in FIG. is there.

As shown in FIG. 3, the cellular phone equipped with the vibrator holding device according to the second embodiment is formed with a locking claw 30 as a first locking portion formed on the case 5 of the vibrator body 4 and held. The member 3 is formed with a locking hole 31 as a second locking portion. As understood from FIG. 4, the locking claw 30 of the case 5 and the locking hole 31 of the holding member 3 are configured to engage with each other. Further, a notch 33 is formed in the side surface of the cover member 32, and the locking claw 30 of the case 5 engaged with the locking hole 31 of the holding member 3 is accommodated in the notch 33. Has been. In addition, about another structure, it is the same as that of Embodiment 1, The description is abbreviate | omitted by attaching | subjecting the same code | symbol.

  According to the second embodiment, the engaging claw 30 provided in the case 5 of the vibrator main body 4 engages with the engaging hole 31 provided in the holding member 3, so that the vibrator 2 is held in the holding member 3. Fixed to. With this engagement structure, a contact pressure necessary for reliably bringing the leaf spring-like terminal 6 fixed to the case 5 of the vibrator body 4 into contact with the contact portion 9 on the circuit board 7 is secured, and the contact is achieved. It is possible to prevent the vibrator 2 from being lifted from the holding member 3 by the reaction force received by the case 5 of the vibrator body 4 due to the pressure.

  In the conventional vibrator holding device, since the buffer material covering the vibrator is fitted into the holding portion by press fitting, when the vibrator is inclined and attached due to assembly variations, the leaf spring-like terminal protruding from the vibrator However, in this embodiment, it is difficult to ensure the contact reliability necessary for contacting the circuit board with the circuit board, and in this embodiment, it is difficult to ensure the contact reliability. By engaging the pawl 30 and the locking hole 31 of the holding member 3, variation in the clearance with respect to the pressure contact direction of the leaf spring-like terminal 6 is reduced, and contact reliability is further improved.

  In the second embodiment, the configuration in which the locking claw 30 provided in the case 5 of the vibrator body 4 and the locking hole 31 provided in the holding member 3 are engaged with each other is shown. The case 5 of the vibrator body 4 may be provided with a locking hole or a concave portion, and the holding member 3 may be provided with a locking claw or a convex portion.

  In addition, in the conventional vibrator holding device, when the vibrator is tilted, the clearance between the vibrator and the outer casing is narrowed. Therefore, when the vibrator is tilted, the weight of the vibrator comes into contact with the outer casing and noise is generated. In this embodiment, the engagement of the locking claw 30 and the locking hole 31 can prevent the vibrator 2 from floating or tilting with respect to the holding member 3. Clearance variation can be reduced. As a result, no abnormal noise is generated by contact with the outer casing 1 and the quality is stabilized.

Embodiment 3 FIG.
Next, still another embodiment of the present invention will be described. FIG. 5 is an exploded perspective view of the main part of the mobile phone showing the embodiment of the present invention on which the vibrator holding device according to Embodiment 3 of the present invention is mounted, and FIG. 6 is a partial sectional view of the mobile phone shown in FIG. is there.

  As shown in FIG. 5 or FIG. 6, the cellular phone equipped with the vibrator holding device according to the third embodiment includes a cover member 50 made of a cushioning material that covers the periphery of the vibrator 2, and a side surface portion of the cover member 50. A rib 51 for preventing vibration is formed on the surface, and a protrusion 52 having, for example, a thread rib shape is formed on the surface in contact with the outer casing 1. Further, the cover member 50 is configured such that a part thereof is interposed between the case 5 of the vibrator body 4 and the holding member 3. That is, the cover member 50 having a configuration in which a part thereof extends is also used on the surface of the vibrator 2 on the side in contact with the circuit board 7. Further, the spring force of the holding member 3 that presses and holds the vibrator 2 is set weaker than that of the first or second embodiment. In addition, about another structure, it is the same as that of Embodiment 1, The description is abbreviate | omitted by attaching | subjecting the same code | symbol.

  In the vibrator holding device according to this embodiment, since the spring force of the holding member 3 that presses and holds the vibrator 2 is set weak, the cover member 50 made of a cushioning material that covers the periphery of the vibrator 2 is attached to the holding member 3. Thus, the vibrator 2 is held without being press-fitted, and is held by the holding member 3 without rattling by the vibration preventing rib 51.

  As described above, according to this embodiment, the surface of the cover member 50 on the side in contact with the outer casing 1 is provided with, for example, a thread rib-shaped protrusion 52 so as to be in pressure contact with the outer casing 1. By configuring, vibration generated from the vibrator 2 is easily transmitted to the mobile phone body. Furthermore, the surface of the cover member 50 on the side in contact with the circuit board 7 is configured to directly contact the circuit board 7, and vibration is reduced with respect to the electrical components mounted on the circuit board 7.

  As a result, in the conventional vibrator holding device, the shock absorber covered over the entire circumference of the vibrator is pressed into the holding member enclosed in a box shape to hold the vibrator. Due to this, the vibrator is tilted and held, and there is a problem that abnormal noise is generated when the vibrator directly contacts the outer casing due to vibration. According to this embodiment, the vibration is covered by the entire circumference of the vibrator. Since the cap member 50 made of a material is held against the holding member 3 without being press-fitted, the cap member 50 is not easily tilted when holding the vibrator 2, can improve the conventional problems, and the quality is further stabilized. .

  Further, for example, by providing a thread rib-like protrusion 52 on the cover member 50 and press-contacting the exterior housing 1, vibration generated from the vibrator 2 can be easily transmitted to the apparatus main body, and is configured by a buffer material. By configuring the cover member 50 so as to directly contact the circuit board 7, the electric component mounted on the circuit board 7 has a function of reducing the vibration, so that the electronic device main body can be moved by the vibration when receiving an incoming call. It can also perform the original function of a vibrating vibrator.

  As for the vibrator in each of the above-described embodiments, a configuration example in which a coin-type flat type vibrator is mounted has been illustrated and described, but it is needless to say that a cylindrical weight type vibrator may be used. Further, in each of the above embodiments, the case where the holding member 3 and the circuit board 7 are fixed by soldering is illustrated and described. However, the holding member 3 and the circuit board 7 may be fixed by using brazing or a welding technique such as laser. The present invention includes various design changes.

  As described above, the present invention can be used for, for example, a small communication terminal device such as a pager or a cellular phone in an electric device having a function of attaching a vibrator to vibrate to notify a user of an incoming call.

It is a principal part disassembled perspective view of the mobile telephone which shows Embodiment of this invention carrying the vibrator holding | maintenance apparatus which concerns on Embodiment 1 of this invention. It is a fragmentary sectional view of the mobile telephone carrying the vibrator holding | maintenance apparatus shown in FIG. It is a principal part disassembled perspective view of the mobile telephone which shows Embodiment of this invention carrying the vibrator holding | maintenance apparatus which concerns on Embodiment 2 of this invention. It is a fragmentary sectional view of the mobile telephone carrying the vibrator holding | maintenance apparatus shown in FIG. It is a principal part disassembled perspective view of the mobile telephone which shows Embodiment of this invention carrying the vibrator holding | maintenance apparatus which concerns on Embodiment 3 of this invention. It is a fragmentary sectional view of the mobile phone carrying the vibrator holding device shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Exterior housing 2 Vibrator 3 Holding member 6 Leaf spring-shaped terminal 7 Circuit board 8 Soldering part 9 Contact part 10, 32, 50 Cover member 30 Locking claw 31 Locking hole 52 Yarn rib-shaped protrusion

Claims (10)

  A vibrator holding member that vibrates a main body of an electronic device such as a communication terminal device is provided, and when the vibrator is held by the holding member, the vibrator terminal comes into contact with a contact portion of the circuit board, and the holding member Is fixed to the circuit board.   2. The vibrator is held by the holding member by engaging a first locking portion provided on the vibrator and a second locking portion provided on the holding member. Vibrator holding device.   The vibrator holding device according to claim 1, further comprising: a cover member made of a cushioning material, wherein the vibrator is covered with the cover member and held by the holding member.   4. The vibrator holding device according to claim 3, wherein the cover member is provided so as to be in pressure contact with the exterior casing of the electronic device main body, and a protrusion is formed between the cover member and the exterior casing. apparatus.   The vibrator holding device according to claim 3 or 4, wherein a part of the cover member is interposed between the vibrator and the circuit board.   In an electronic device such as a communication terminal device, a circuit having a vibrator that vibrates the electronic device main body, a holding member that holds the vibrator, and a contact portion that contacts a terminal of the vibrator when the vibrator is held by the holding member. An electronic device comprising: a substrate, wherein the holding member is fixed to the circuit substrate.   7. The vibrator is held by the holding member by engaging a first locking portion provided on the vibrator and a second locking portion provided on the holding member. Electronics.   The electronic apparatus according to claim 6, further comprising a cover member made of a cushioning material, wherein the vibrator is covered with the cover member and held by the holding member.   The electronic device according to claim 8, wherein the cover member is provided so as to be in pressure contact with an exterior housing of the electronic device body, and a protrusion is provided between the cover member and the exterior housing.   The electronic device according to claim 8 or 9, wherein a part of the cover member is interposed between the vibrator and the circuit board.

Images