JP4562586B2 - Speaker holder and electrical equipment - Google Patents

Description

  The present invention relates to an electric device capable of outputting sound with a speaker such as a television, an audio device, a projector, and a telephone set inside, and holding the speaker and holding the speaker fixed to the casing of the electric device. Concerning ingredients.

  Electrical devices such as televisions, audio devices, projectors, and telephones are provided with a speaker that outputs sound in a housing. Various configurations have been proposed for mounting a speaker in these electric devices. For example, in Patent Document 1, a speaker fixing unit including a speaker contact portion that contacts the back surface of the speaker and an engagement leg portion extending from the speaker contact portion. There has been proposed a configuration in which a speaker is fixed by attaching a speaker to the holder and engaging an engagement hole formed in the substrate with an engagement leg portion of the speaker fixing holder. In this case, there is an advantage that the speaker can be fixed easily.

  In Patent Document 2, a speaker is attached to a rubber holder integrally formed with flange portions that project inwardly at openings at both ends of a cylindrical body portion, and a leg portion formed on the holder is connected to a circuit. A speaker mounting structure has been proposed in which a holder is fixed by being inserted into a locking hole formed in a substrate. In addition, the front end of the speaker has a tapered ridge with a tapered tip, and the ridge and the inner surface of the housing of the device are in close contact with each other only from the hole formed in the housing. By releasing the sound, it is possible to suppress the wraparound of the sound in the housing.

  In Patent Document 3, a bag-shaped housing portion into which a mounting flange portion provided in a speaker is inserted and a bush portion fixed to a support boss provided in a housing of an electric device are integrally provided, Using a vibration absorbing member molded from elastomer or rubber, with the speaker flange inserted into the bag-like housing of the vibration absorbing member, the bushing is inserted into the support boss and fixed with screws A mechanism has been proposed. Since the vibration generated by the speaker is absorbed by the vibration absorbing member, it is possible to suppress the vibration from being transmitted to other components via the housing of the electric device.

Patent Document 4 proposes a speaker fixture having a holding portion that covers a portion excluding a sound emitting portion of the speaker with an elastic material in close contact. The speaker can be attached to and detached from the holding unit by deforming the elastic material of the holding unit. In addition, when the speaker fixture is attached to an electrical device, the speaker fixture is attached to the housing using a tape, an adhesive, or a screw.
JP 2002-291080 A JP-A-8-79348 Japanese Patent Laid-Open No. 10-66179 JP 2003-153127 A

  However, since the speaker fixing holder described in Patent Document 1 has a configuration in which the speaker fixing holder is directly engaged with the substrate, vibration generated by the speaker is transmitted to the substrate, which adversely affects the operation of the electronic components on the substrate. There is a problem of giving.

  Similarly, in the speaker mounting structure described in Patent Document 2, since the holder is fixed to the substrate, there is a problem that vibration generated by the speaker is transmitted to the substrate, and further, the taper is formed in a ring shape in the holder. Since the continuous protrusions are in contact with the inner surface of the casing, there is a problem that vibrations emitted from the speaker are transmitted from the protrusion to the casing, and are transmitted to the electronic components or mechanical components in the casing through the casing.

  In the speaker mounting mechanism described in Patent Document 3, vibration generated by the speaker can be absorbed by the vibration absorbing member in which the flange portion of the speaker is inserted, but it is necessary to screw the vibration absorbing member to the housing. Therefore, there is a problem that the number of parts increases due to the screws, and the mounting process becomes complicated because the screws are fixed. In addition, since the gap is fixed between the front of the speaker and the case, the sound output from the speaker may leak into the case and reverberate in the case, thereby deteriorating the sound quality. There is a problem of doing.

  Also in the speaker fixture described in Patent Document 4, since the elastic material is in close contact with and covers the speaker, vibrations generated by the speaker can be absorbed by the elastic material. Since it is necessary to fix with an adhesive or a screw, etc., there is a problem that the number of parts increases due to a tape, an adhesive or a screw, and the mounting process becomes complicated. In addition, since the gap is fixed between the front of the speaker and the housing, the sound output from the speaker may leak into the housing and reverberate in the housing, thereby deteriorating the sound quality. There is a problem of doing.

  The present invention has been made in view of such circumstances, and an object of the present invention is to protrude from the periphery of a surface serving as a front surface of the speaker to a holding portion that covers the flange portion of the speaker and holds the speaker. By forming the belt-like frame portion and forming a flat surface at the protruding end of the belt-like frame portion, the flat surface of the belt-like frame portion can be fixed in close contact with the inner surface of the housing of the electric device, so that the vibration generated by the speaker is An object of the present invention is to provide a speaker holder that is difficult to be transmitted to a housing and that a sound emitted from a speaker is difficult to leak into the housing.

  Another object of the present invention is to provide a speaker holder capable of preventing the connection portion between the speaker and the cord from being broken by providing a locking portion for locking the cord provided on the speaker. There is to do.

  Another object of the present invention is to provide an engaging portion and an engaging portion when the engaging portion for engaging the cord of the speaker is provided on the outer surface of the holding portion so as to be fixed to the housing of the electric device. An object of the present invention is to provide a speaker holder in which a cord locked to a stopper does not hinder fixation.

  Another object of the present invention is to hold the speaker more firmly by providing a band portion that supports and supports the back surface of the speaker exposed from the opening across the opening formed in the holding portion. Accordingly, it is an object of the present invention to provide a speaker holder that can transmit vibration less easily to the casing.

  Another object of the present invention is to provide a mounting portion on the housing for mounting the mounting portion by sliding the speaker holder and attaching the flat surface of the belt-like frame portion of the speaker holder to the housing. This makes it possible to easily attach the speaker and speaker holder to the housing, and to provide an electrical device in which vibrations emitted by the speaker are not easily transmitted to the housing, and the sound emitted by the speakers is less likely to leak into the housing. There is to do.

  Another object of the present invention is to hold the speaker holder in a slidable manner when the housing is divided into a lid portion and a main body portion, and the sliding holding portion. A first engagement portion that engages with one end side of the speaker holder is provided in the main body portion, and a second engagement portion that engages with the other end side of the speaker holder is provided in the lid portion. An object of the present invention is to provide an electric device capable of easily and reliably fixing a speaker holder to a housing.

  The speaker holder according to the present invention includes a holding portion that covers the flange portion of the speaker and holds the speaker, and is formed of an elastic material. The holding portion has a front peripheral edge of the speaker. It has a covering part, and surrounds the periphery of the front of the speaker, and is provided with a belt-like frame part projecting in the front direction of the speaker at the part, and the projecting end of the belt-like frame part is flat It is characterized by.

  In the present invention, when a belt-like frame portion is formed around the front surface of the speaker holder made of an elastic material, a flat surface is formed at the protruding end of the belt-like frame portion, and the speaker holder is attached to the electric device, The flat surface of the belt-like frame is brought into close contact with the inner surface of the housing and fixed. The vibration generated by the speaker is absorbed by the elastic material of the holding portion, and the speaker holder is firmly fixed by the close contact of the belt-like frame portion, so that the vibration is not transmitted from the holding portion to the housing. In addition, since the belt-like frame portion surrounds the front of the speaker, the sound emitted from the speaker in the housing is difficult to leak.

  Moreover, the speaker holder according to the present invention is characterized in that it includes a locking portion that locks an electric signal input cord connected to the speaker.

  In the present invention, the speaker cord is often soldered to the speaker, and the cord may come off when a force is applied to the cord. Is integrally provided with an elastic material, and the locking portion absorbs the force applied to the cord and prevents the cord from coming off.

  The speaker holder according to the present invention is characterized in that the holding portion has a portion that covers a side surface of the flange portion of the speaker, and the locking portion is provided in the portion.

  In the present invention, when the locking portion for locking the speaker cord is provided on the outer surface of the speaker holder, and the speaker holder is mounted on the housing, the locking portion and the locking portion are locked. Make sure that the speaker cord does not interfere with the installation.

  Further, in the speaker holder according to the present invention, the holding portion has an annular shape surrounding the periphery of the speaker, and spans between the peripheral edges of the holding portion to contact and support the back side of the speaker. It comprises a part.

  In the present invention, a band portion is provided across the opening formed in the holding portion, the band portion abuts on the back surface of the speaker exposed from the opening to hold the speaker more firmly, and vibration generated by the speaker is applied to the casing. Make it difficult to communicate.

  Moreover, an electrical device according to the present invention is provided with a speaker, the speaker holder according to the above-described invention, a casing that houses the speaker and the speaker holder, and the speaker holder. And a mounting portion for mounting the speaker holder by bringing the flat surface of the speaker holder into contact with the inner surface of the housing.

  In the present invention, a mounting portion that can be attached to the housing of the electric device by attaching the flat surface of the belt-like frame portion of the speaker holder to the inner surface of the housing is provided. As a result, the speaker holder can be easily attached to the housing, vibrations generated by the speaker can be prevented from being transmitted to the housing, and sound emitted by the speaker is less likely to leak into the housing. .

  In addition, an electrical device according to the present invention includes a lid that can be opened and closed and a main body that is covered with the lid, and the mounting portion is provided in the main body, and the speaker holder A slide holding portion that is slidably held along the inner surface of the main body portion, and a first portion that is provided on the main body portion and engages with one end side of the speaker holder held by the slide holding portion. And a second engagement portion that is provided on the lid portion and engages with the other end side of the speaker holder held by the slide holding portion when the lid portion is closed. It is characterized by having.

  In the present invention, the speaker holder is slid and attached to the sliding holding portion provided in the main body of the housing, and one end side is engaged and fixed to the first engaging portion, and the lid of the housing is fixed. The part is closed, and the second engaging part provided on the cover part is engaged with the other end side of the speaker holder and fixed. Thereby, the speaker holder can be easily and reliably fixed in the housing. Moreover, when fixing a speaker to a housing | casing, another member other than a speaker holder is unnecessary and there are few parts counts.

  In the case of the present invention, the holding frame that covers the flange portion of the speaker and holds the speaker is formed with a belt-like frame portion that protrudes from the periphery of the front surface of the speaker, and a plane is formed at the protruding end of the belt-like frame portion. As a result, the flat surface of the belt-like frame portion can be adhered and fixed to the inner surface of the housing of the electric device, and the vibration generated by the speaker can be hardly transmitted to the housing, so that other electronic components and mechanical components in the housing, etc. Is not affected by vibration, and the sound emitted from the speaker can be hardly leaked into the housing, so that the sound quality of the sound emitted from the speaker to the outside of the housing can be improved.

  Further, in the case of the present invention, since the engaging portion can absorb the force applied to the speaker cord by providing the engaging portion for engaging the cord provided on the speaker, the connecting portion between the speaker and the cord. Can be prevented from being destroyed.

  Further, in the case of the present invention, when the speaker holder is fixed to the housing of the electric device by providing a locking portion for locking the speaker cord on the outer surface of the holding portion, the locking portion and the locking portion are provided. Since the cord locked to the portion does not hinder the fixation, the speaker holder can be easily fixed.

  Further, in the case of the present invention, the speaker can be held more firmly by providing a band part that supports and supports the back surface of the speaker exposed from the opening across the opening formed in the holding part. Since it is difficult for vibration to be transmitted to the housing, it is possible to eliminate the possibility that other electronic components and mechanical components in the housing are affected by the vibration.

  In the case of the present invention, the speaker holder is detachably attached by sliding the speaker holder, and the speaker and the speaker are provided by providing the casing with a mounting portion for attaching the flat surface of the belt-like frame portion of the speaker holder to the casing. Since the holder can be easily attached to the housing, the assembly process can be simplified, and the vibration generated by the speaker can be made difficult to be transmitted to the housing. In addition, there is no possibility that the mechanical parts and the like are affected by vibration, and the sound emitted from the speaker can be hardly leaked into the housing, so that the sound quality of the sound emitted from the speaker to the outside of the housing can be improved. .

  Further, according to the present invention, when the housing is divided into the lid portion and the main body portion, the slide holding portion that holds the speaker holder slidably, and the speaker holder held by the slide holding portion. Another member other than the speaker holder is provided by providing the first engaging portion that engages with the one end side in the main body portion and the second engaging portion that engages with the other end side of the speaker holder in the lid portion. Since the speaker can be fixed to the housing without the need for a small number of parts, the cost can be reduced. Further, since the speaker holder can be easily fixed in the housing, the assembly process can be simplified and the assembly cost can be reduced. In addition, since the speaker holder can be firmly fixed to the inner surface of the housing, it is possible to make it difficult for vibration generated by the speaker to be transmitted to the housing, and other electronic components and mechanical components in the housing may be affected by the vibration. Can be eliminated.

Hereinafter, the present invention will be specifically described with reference to the drawings showing embodiments thereof. In the present embodiment, a projector will be described as an example of an electric device.
(Embodiment 1)
FIG. 1 is an exploded perspective view showing a configuration of a projector according to the present invention. In FIG. 1, reference numeral 1 denotes a projector housing. The housing 1 has a flat rectangular parallelepiped shape, and includes a main body 1 a having a bottom surface, left and right side surfaces, and a rear side surface of the housing 1, and an upper surface and a front side surface of the housing 1. The lid portion 1b is divided. In the housing 1, an image projection unit 2, a circuit board 3, a plurality of air cooling fans 4, 4,..., A speaker 10 and the like are accommodated, and a lens barrel 5 having a projection lens is provided from the front side surface of the housing 1. It is designed to protrude.

  The image projection unit 2 includes an image display panel that displays an original image, a light projection lamp that irradiates light on one surface of the image display panel, a projection lens that projects transmitted light from the other surface of the image display panel, and the like. And a known configuration for enlarging and displaying the original image on the screen from the projection lens. The image display unit 2 in the figure is shown as a unit casing in which a lens barrel 5 of a projection lens protrudes on one side and incorporates other constituent members so as to occupy almost the entire area in the casing 1. It is housed. The circuit board 3 is mounted with a power supply IC, a control IC, and the like, and is attached so as to cover the rear upper side of the image projection unit 2. Further, air cooling fans 4, 4... Driven to cool the image projection unit 2 are arranged side by side along the left side surface of the housing 1. The air sucked by the air cooling fans 4, 4... Cools the components in the housing 1, and then is discharged from a plurality of ventilation openings 7, 7.

  A speaker mounting portion 9 for mounting the speaker 10 is disposed on the left rear side of the main body 1a of the housing 1, and the speaker 10 is held by a speaker holder 20 made of rubber. Thus, it is mounted on the speaker mounting portion 9 and connected to the circuit board 3 by a signal input / output code (not shown), and is controlled by a control circuit provided on the circuit board 3 to output sound.

  FIG. 2 is a rear perspective view showing the configuration of the speaker holder 20 according to Embodiment 1 of the present invention. The speaker 10 is shown side by side with the speaker holder 20. FIG. 3 is a front perspective view showing the configuration of the speaker holder 20 according to the first embodiment of the present invention. FIG. 4 shows the speaker holder 20 according to the first embodiment of the present invention. FIG.

  The speaker 10 includes a substantially cylindrical vibration part 12 having a magnetic circuit and a cone-shaped diaphragm inside, a substantially rectangular flange part 11 provided surrounding a front side surface of the vibration part 12, and a vibration part. 12 is provided with two cords 13 and 13 for driving signal input connected to the rear surface of 12. Further, the front surfaces of the vibrating portion 12 and the flange portion 11 form a sound emitting surface 14.

  The speaker holder 20 includes a peripheral surface covering portion 21 a that covers the peripheral side surface of the flange portion 11 of the speaker 10, a front surface covering portion 21 b that covers the periphery of the sound emitting surface 14, and a back surface covering portion 21 c that covers the peripheral edge of the back surface of the flange portion 11. A flat, substantially rectangular parallelepiped elastic holding portion 21 integrally formed with an elastic member is provided, and the elastic holding portion 21 covers the flange portion 11 of the speaker 10 from the peripheral side surface, the front surface, and the back surface, thereby holding the speaker 10. It is.

  Since the elastic holding portion 21 of the speaker holder 20 covers the sound emitting surface 14 of the speaker 10 and the opposite surface thereof only at the peripheral edge portion, the front covering portion 21b of the elastic holding portion 21 has an elongated hole shape. The front opening portion 22 is provided, and the back surface covering portion 21c is provided with a back surface opening portion 23 that is opened in a long hole shape. Since the speaker holder 20 is formed of an elastic member, the speaker holder 20 is elastically deformed, and the speaker 10 is accommodated in the elastic holder 21 from the front opening 22 or the back opening 23 to hold the speaker 10. I have to do it.

  Fixing portions 24 and 24 for fixing the speaker holder 20 to the housing 1 of the projector are provided on both side surfaces on the long side of the speaker holder 20. The fixing portions 24, 24 are formed by projecting a portion from the approximate center of the side surface to the front surface outward along the longitudinal direction of the side surface, and is formed integrally with the speaker holder 20.

  Further, on one side surface of the short side of the speaker holder 20, a cord locking portion 26 for holding the cords 13 and 13 of the speaker 10 when the speaker 10 is held is provided. The cord locking portion 26 is provided on the side surface of the speaker holder 20 and has a T-shaped projection 26a having a substantially T-shaped cross section for winding the cords 13 and 13, and a cord 13 wound around the T-shaped projection 26a. 13 is provided with presser protrusions 26b and 26b respectively protruding from the left and right of the T-shaped protrusion 26a on the side surface of the speaker holder 20 to prevent the 13 from being unwound. The T-shaped protrusion 26 a and the pressing protrusions 26 b and 26 b are formed of an elastic member integrally with the elastic holding portion 21 of the speaker holder 20.

  Further, a belt-like frame portion 25 having a substantially rectangular frame shape protrudes from the front portion of the speaker holder 20 so as to surround the periphery of the front portion. The band-shaped frame portion 25 is formed integrally with the elastic holding portion 21 so as to have a smooth continuous plane 25a that is substantially parallel to the sound emitting surface 14 of the speaker 10, and the elastic holding portion 21 is connected to the cord. Only one end side where the stopper 26 protrudes has a shape in which a part of the frame is missing. The flat surface 25 a of the belt-like frame portion 25 is a portion that contacts the inner surface of the housing 1 when the speaker holder 20 is fixed to the projector housing 1, and the flat surface 25 a of the belt-like frame portion 25 is the inner surface of the housing 1. The speaker holder 20 is firmly fixed to the housing 1 so as to be in close contact with the housing 1, the vibration generated by the speaker 10 is hardly transmitted to the housing 1, and the belt-like frame portion 25 is provided around the sound emitting surface 14 of the speaker 10. The sound emitted from the sound emitting surface 14 is made difficult to leak into the housing 1.

  FIG. 5 is a perspective view showing a structure of speaker mounting portion 9 of the projector according to Embodiment 1 of the present invention, and FIG. 6 shows a speaker mounted on speaker mounting portion 9 of the projector according to Embodiment 1 of the present invention. It is a perspective view which shows the mounted state. 5 and 6, the cords 13 and 13 of the speaker 10 are not shown.

  The speaker mounting portion 9 has a plurality of through holes 40, 40... Formed in the main body 1a of the housing 1, and the plurality of through holes 40, 40. The sound emitted from the speaker 10 arranged in the housing 1 can be emitted to the outside of the housing 1 through the through holes 40, 40. Surrounding the left and right sides of the through holes 40, 40 arranged in a substantially rectangular shape, the inner surface of the housing 1 is in a state where the belt-like frame portion 25 of the speaker holder 20 is in contact with the inner surface of the housing 1, Sliding holding portions 41 and 41 are provided for holding the speaker holder 20 slidably in the vertical direction. The sliding holding portions 41 and 41 are obtained by bending two plates that are long in the vertical direction and projecting substantially parallel to the inner surface of the housing 1 inwardly in the middle of the projecting direction. The fixing parts 24 and 24 of the holder 20 are held between the inner surface of the housing 1 and the sliding holding parts 41 and 41, respectively.

  The lower side of the plurality of through-holes 40, 40... Arranged in a substantially rectangular shape is engaged with the lower end portion of the speaker holder 20 held by the slide holders 41, 41 so that the speaker holder is lowered. A first engagement plate 42 that is fixed so as not to slide in the direction is provided. The first engagement plate 42 is a plate that is long on the inner surface of the housing 1 and protrudes vertically. The upper surface of the first engagement plate 42 is in contact with the lower surface of the speaker holder 20. is there. In addition, on the upper side surface of the first engagement plate 42, an extending portion 42a extending upward is provided in a portion from the middle to the leading end in the protruding direction, and the extending portion 42a is connected to the speaker holder 20 and The back surface of the speaker 10 is pressed.

  Further, the first engagement plate 42 is provided not at an intermediate position between the two sliding holding portions 41, 41 but at a position close to one of the sliding holding portions 41, 41. This is to prevent the first engagement plate 42 from hitting the cord locking portion 26 of the speaker holder 20, and the extending portion 42 a of the first engagement plate 42 protrudes from the back surface of the speaker 10. This is for avoiding contact with the vibrating portion 12.

  The lid 1b of the housing 1 is engaged with the upper end portion of the speaker holder 20 held by the slide holders 41 and 41, and fixes the speaker holder 20 so as not to slide upward. An engagement plate 43 is provided. The second engagement plate 43 is a plate having the same shape as that of the first engagement plate 42. The second engagement plate 43 protrudes from the lower surface of the lid portion 1b. When the lid portion 1b is attached, the second engagement plate 43 is below the second engagement plate 43. The side surface is in contact with the upper side surface of the speaker holder 20. Further, similarly to the extended portion 42 a of the first engaging plate 42, an extended portion 43 a is provided on the lower surface of the second engaging plate 43, and the extended portion 43 a serves as the speaker holder 20 and the speaker 10. I'm trying to hold the back of. The second engagement plate 43 is adapted to engage with the speaker holder 20 at a diagonal position where the first engagement plate 42 engages with the speaker holder 20.

  In the electrical apparatus having the above configuration, when the speaker 10 is attached to the housing 1, first, the speaker holder 20 is elastically deformed, and the speaker 10 is accommodated in the speaker holder 20 from the front opening 22 or the back opening 23. Then, the cords 13 and 13 on the back surface of the speaker 10 are wound around the T-shaped projection 26 a of the cord locking portion 26. Since the cords 13 and 13 wound around the T-shaped protrusion 26a are pressed from both sides by the pressing protrusions 26b and 26b, they are not easily detached.

  Next, the fixing portions 24 and 24 of the speaker holder 20 are sandwiched between the sliding holding portions 41 and 41 provided on the main body portion 1a of the housing 1 and the inner surface of the housing 1, and the sliding holding portion 41 and The speaker holder 20 is slid along the 41 from the upper side to the lower side of the housing 1 until it engages with the first engagement plate 42. Thereafter, the lid 1b is attached to the main body 1a, and the second engaging plate 43 is engaged with the upper portion of the speaker holder 20 to fix the speaker holder 20.

  The speaker 10 is held by covering the flange portion 11 with a speaker holder 20, and the speaker holder 20 is supported by sliding holding portions 41, 41, a first engagement plate 42, and a second engagement plate 43 on the four side surfaces and rear surface. Is fixed to the inner surface of the housing 1. Therefore, the speaker 10 can be easily attached to the housing 1.

  Since the speaker 10 is held by the speaker holder 20 made of an elastic member, the vibration generated by the speaker 10 is absorbed by the speaker holder 20 and is not easily transmitted to the housing 1. In addition, the flat surface 25a of the belt-like frame portion 25 of the speaker holder 20 is brought into close contact with the inner surface of the housing 1 so that the speaker holder is firmly fixed. In addition, since the belt-like frame portion 25 is provided so as to surround the sound emitting surface 14 of the speaker 10, sound emitted from the speaker 10 does not leak into the housing 1 and the through holes 40, 40. The sound can be emitted from the housing 1 to the outside of the housing 1.

  In addition, in this Embodiment, although the structure which equips the speaker holder 20 with the code | cord | chord engaging part 26 was shown integrally, the code | cord | chord engaging part 26 is not attached to this but the speaker holder 20 as another component. A configuration in which the cord is attached and integrated may be employed, or a configuration in which the cord locking portion 26 is not provided may be employed. Moreover, although the code | cord | chord latching | locking part 26 was comprised by the T-shaped protrusion 26a and the presser protrusion 26b, 26b, it is not restricted to this, Only the T-shaped protrusion 26a may be sufficient, or it may be another shape. Good. The shapes of the first engagement plate 42 and the second engagement plate 43 are merely examples, and the present invention is not limited to this.

  Moreover, although the strip | belt-shaped frame part 25 showed the structure in which the frame partly lacked in the one end side in which the code | cord | chord latching part 26 was provided, it is not restricted to this, It does not have a chip | tip and surrounds the whole circumference It may be a configuration or a configuration having more missing parts.

  The material of the speaker holder 20 is not limited to rubber, and elastic materials such as polyurethane, vinyl chloride, chlorinated polyethylene, and silicon foam may be used. In the present embodiment, the projector is described as an example of the electric device. However, the present invention is not limited to this, and the same applies to other electric devices such as an audio device or a television that have a built-in speaker. Configuration can be applied.

(Embodiment 2)
FIG. 7 is a rear perspective view showing the configuration of the speaker holder 20a according to Embodiment 2 of the present invention, in which the speakers 10 are shown side by side with the speaker holder 20a. FIG. 8 is a rear perspective view showing a state in which the speaker holder 20a according to the second embodiment of the present invention holds the speaker 10. FIG.

  The speaker holder 20a according to the second embodiment has substantially the same configuration as the speaker holder 20 according to the first embodiment. The elastic holder 21 houses and holds the flange portion 11 of the speaker 10, and the elastic holder. 21 is provided with fixing portions 24 and 24 and a cord locking portion 26 provided on a side surface of the belt 21 and a belt-like frame portion 25 (see FIG. 3) provided on the front surface of the elastic holding portion 21.

  The back opening 23 formed on the back surface of the elastic holding part 21 is provided with a substantially cross-shaped band part 27 straddling the back opening 23 vertically and horizontally. The band part 27 is formed of rubber integrally with the elastic holding part 21, and presses the back surface of the vibration part 12 of the speaker 10 when the speaker holder 20 holds the speaker 10. In addition, since the band part 27 is provided in the back surface opening part 23, the speaker 10 is accommodated in the speaker holder 20a from the front surface opening part 22. FIG.

  When the speaker holder 20a having the above configuration is used, the vibration portion 12 of the speaker 10 can be pressed by the band portion 27, so that the speaker 10 can be held more reliably and vibration from the vibration portion 12 can be suppressed. Since it can absorb with the band part 27, it can prevent more reliably that the vibration from the speaker 10 is transmitted to another component.

  In the second embodiment, the band of the speaker holder 20a has a substantially cross shape extending across the back opening 23 in the vertical and horizontal directions. However, the present invention is not limited to this, and the band portion extends only in either the vertical or horizontal direction. You may form in a substantially rectangular shape. Moreover, you may provide a band part not only in the vertical / horizontal direction but in the diagonal direction.

  Since the other configuration of the projector according to the second embodiment is the same as the configuration of the projector according to the first embodiment, the corresponding portions are denoted by the same reference numerals and detailed description thereof is omitted.

1 is an exploded perspective view showing a configuration of a projector according to the present invention. It is a back perspective view which shows the structure of the speaker holder which concerns on Embodiment 1 of this invention. It is a front perspective view which shows the structure of the speaker holder which concerns on Embodiment 1 of this invention. It is a back perspective view showing the state where the speaker holder concerning Embodiment 1 of the present invention is holding the speaker. It is a perspective view which shows the structure of the speaker mounting part of the projector which concerns on Embodiment 1 of this invention. It is a perspective view which shows the state which mounted | wore the speaker mounting part of the projector which concerns on Embodiment 1 of this invention. It is a back perspective view which shows the structure of the speaker holder which concerns on Embodiment 2 of this invention. FIG. 8 is a rear perspective view showing a state in which the speaker holder according to Embodiment 2 of the present invention holds the speaker.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Housing | casing 1a Main body part 1b Cover part 9 Speaker mounting part 10 Speaker 11 Flange part 12 Vibration part 13 Code 14 Sound emitting surface 20, 20a Speaker holder 21 Elastic holding part (holding part)
22 Front opening 23 Back opening 24 Fixing part 25 Band-shaped frame part 25a Plane 26 Cord locking part (locking part)
27 Band part 41 Sliding holding part 42 1st engaging plate (1st latching | locking part)
43 2nd engagement board (2nd latching | locking part)

Claims (6)

In a speaker holder that includes a holding portion that covers the flange portion of the speaker and holds the speaker, and is molded of an elastic material,
The holding portion has a portion that covers the peripheral edge of the front of the speaker;
Surrounding the periphery of the front of the speaker, provided with a belt-like frame portion protruding in the front direction of the speaker in the portion,
A speaker holder, characterized in that the protruding end of the belt-like frame portion is flat.   The speaker holder according to claim 1, further comprising a locking portion that locks an electric signal input cord connected to the speaker. The holding portion has a portion that covers the side surface of the flange portion of the speaker;
The speaker holder according to claim 2, wherein the locking portion is provided in the portion. The holding portion has an annular shape surrounding the speaker,
The speaker holder according to any one of claims 1 to 3, further comprising a band portion straddling between the peripheral edges of the holding portion and supporting the back side of the speaker. Speakers,
A speaker holder according to any one of claims 1 to 4,
A housing for housing the speaker and the speaker holder;
A mounting portion that is provided on the casing, attaches and detaches the speaker holder by sliding, and attaches the speaker holder by bringing the flat surface of the speaker holder into contact with the inner surface of the casing. Electrical equipment characterized by that. The housing has a lid portion that can be opened and closed and a main body portion that is covered by the lid portion,
The mounting part is
A sliding holding portion that is provided in the main body portion and holds the speaker holder slidably along the inner surface of the main body portion;
A first engaging portion that is provided on the main body portion and engages with one end side of the speaker holder held by the sliding holding portion;
A second engaging portion that is provided on the lid portion and engages with the other end side of the speaker holder held by the sliding holding portion when the lid portion is closed. The electrical equipment described.

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