JP2007318238A - Display apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display apparatus capable of increasing fitting rigidity of a speaker to a display section and suppressing propagation of vibration caused by the speaker from a fitting body to the display section. <P>SOLUTION: The display apparatus, wherein a mobile body 4 with a shaft body 41 inserted to/withdrawn from fitting holes 13, 23 formed to a lower part of the display section 1 for displaying an image and to the speaker 2 fitted to the lower part of the display section 1 by the fitting body 3, and a lever 5 moving the mobile body 4 in an insertion/withdrawal direction are supported by the fitting body 3, includes a suppressing member for suppressing the vibration caused in the speaker 2 from being propagated from the fitting body 3 to the display section 1, and when the display apparatus is carried, the mobile body 4 is moved in the insertion direction, and after the carrying, the mobile body 4 is moved in the withdrawal direction. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a display device such as a liquid crystal display device or a plasma display device.

  A display device such as a liquid crystal television includes a panel that displays an image, a display unit that includes a cabinet that houses the panel, and a speaker that is housed in a cabinet below the display unit (see, for example, Patent Document 1). ).

  Since a display device including a speaker generates vibration when the sound is emitted from the speaker to the outside, by interposing an elastic member between the attachment body for attaching the speaker to the display unit and the speaker, What is comprised so that the vibration which generate | occur | produces in a speaker may be suppressed to a display part is known (for example, refer patent document 2).

In addition, the display device is configured so that it can be carried by hooking a finger on the cabinet and a handle provided on a side of the cabinet (see, for example, Patent Document 3).
JP 2000-287287 A JP 2001-309277 A JP-A-6-268947

  By the way, when the display device is configured such that a speaker having a substantially rectangular parallelepiped shape is disposed along the lower portion of the display unit and both ends in the longitudinal direction of the speaker are attached to the cabinet of the display unit by the attachment body, A finger is put on the speaker on the side, and the display device may be lifted in this state. At this time, since a lifting load is applied to the speaker, it is necessary to increase the mounting rigidity of the speaker by the mounting body as the display device becomes larger.

  However, if the attachment rigidity of the speaker by the attachment body is increased, a configuration in which an elastic member is interposed between the attachment body for attaching the speaker and the display portion as in Patent Document 2 cannot be employed. Vibration generated in the speaker is easily transmitted from the attachment to the display unit, and the panel of the display unit slightly vibrates and generates chatter noise.

  The present invention has been made in view of such circumstances, and a main object is to provide a fitting hole in one of the speaker or the attachment and the display unit, and to move the movable body inserted / removed in the fitting hole to the other. To the display unit of the speaker by providing an operating means for moving the movable body in the insertion / removal direction and a suppressing member for suppressing vibration generated in the speaker from being propagated from the attachment to the display unit. An object of the present invention is to provide a display device that can increase the attachment rigidity of the speaker and suppress the vibration generated in the speaker from being propagated from the attachment to the display unit.

  Another object of the present invention is to provide a display device that can easily switch the movement of the movable body by including a lever that presses the movable body in the insertion direction and an elastic body that biases the movable body in the removal direction. There is.

  In this invention, the movable body can be moved in the insertion direction by overcoming the urging force of the elastic body by rotating the lever in one direction, and the lever can be operated in the other direction. Thus, the movable body can be moved in the detaching direction by the biasing force of the elastic body, so that the movement switching of the movable body can be simplified.

  Another object is to provide a display device that can easily switch the movement of the movable body by including a bolt that relatively moves the movable body in the insertion / removal direction and a screw hole into which the bolt is screwed. There is to do.

  Another object is to disperse lifting load by arranging a plurality of fitting holes in parallel and having a movable body having a plurality of shaft bodies inserted / removed in the fitting holes and a connecting portion for connecting the shaft bodies. Accordingly, it is an object of the present invention to provide a display device that can further increase the attachment rigidity of a speaker to a display unit.

  Another purpose is to reduce the number of parts by providing a grip part on which the finger is placed on the lower surface and a housing part in which the movable body is accommodated on the attachment body, and holding a lever or bolt on the attachment body. It is possible to provide a display device that can reduce costs.

  Another object is to provide a plurality of through holes through which the male screw is inserted in the attachment body, an elastic cylinder through which the male screw is inserted, and an elastic plate held by the outer edge of the attachment body. Thus, an object of the present invention is to provide a display device that can move the movable body in the insertion / removal direction without being affected by the suppressing member.

  The display device according to the present invention is a display device in which a speaker is attached to a lower portion of a display unit by an attachment body, and one of the speaker or attachment body and the display unit has a fitting hole, and the other is A movable body inserted / removed in the fitting hole, operating means for moving the movable body in the insertion / removal direction, and vibration generated in the speaker are transmitted from the attachment body to the display unit. And a suppressing member that suppresses the above.

  In this invention, since the movable body can be inserted into the fitting hole by moving the movable body in the insertion direction, and the attachment rigidity to the display unit of the speaker can be increased, the display device is relatively Even if it is large, the display device can be lifted and carried. Further, the movable body can be extracted from the fitting hole by moving the movable body in the detaching direction, and the suppression member suppresses the vibration generated in the speaker from being transmitted to the display unit. Therefore, it is possible to prevent chatter noises from being generated on the display unit.

  In the display device according to the present invention, the operating means is pivotally supported by the speaker or the attachment body, and a lever that presses the movable body in the insertion direction, and an elastic body that urges the movable body in the removal direction. It is characterized by providing.

  In this invention, the movable body can be moved in the insertion direction by overcoming the urging force of the elastic body by rotating the lever in one direction, and the lever can be operated in the other direction. Thus, the movable body can be moved in the detaching direction by the biasing force of the elastic body, so that the movement switching of the movable body can be simplified.

  Further, in the display device according to the present invention, the operating means cannot be moved in the axial length direction and can be rotated, and the bolt held by the speaker or the attachment body and the bolt are screwed together. And a screw hole provided in the movable body.

  In this invention, the movable body can be moved in the insertion direction by rotating the bolt in one direction, and the movable body can be moved in the removal direction by rotating the bolt in the other direction. Therefore, it is possible to simplify the movement switching of the movable body.

  Further, in the display device according to the present invention, a plurality of the fitting holes are juxtaposed, and the movable body has a plurality of shaft bodies inserted / removed into / from the fitting holes and a connecting portion for connecting the shaft bodies. It is characterized by that.

  In this invention, since a plurality of shafts are inserted into the plurality of fitting holes, the lifting load can be dispersed, and the attachment rigidity of the speaker to the display unit can be further enhanced.

  Further, in the display device according to the present invention, the attachment body includes a handle portion on which a finger is hung on a lower surface, and an accommodation portion in which the movable body is accommodated, and the lever or the bolt is attached to the attachment body. It is retained.

  In this invention, since the movable body and the operating means are provided in the attachment body, the number of parts can be reduced and the cost can be reduced.

  Further, in the display device according to the present invention, the attachment body has a plurality of through holes through which male screws are inserted, the suppression member is an elastic cylinder through which the male screws are inserted, and an outer edge of the attachment body The elastic plate is held by the portion.

  In this invention, since the restraining member is provided at the portion where the male screw for fixing the attachment body is inserted and the outer edge portion where the attachment body faces the display unit and the speaker, the restraining member is provided. The movable body can be moved in the insertion / removal direction without being affected by the movement.

  According to the present invention, the mounting rigidity of the speaker to the display unit can be increased by switching the insertion / removal movement of the movable body, and vibration generated in the speaker is transmitted from the mounting body to the display unit. Can be suppressed, and chattering noise can be prevented from being generated on the display portion.

  Further, according to the present invention, since the movable body can be inserted and removed by rotating the lever, the movement of the movable body can be easily switched.

  Further, according to the present invention, since the movable body can be inserted and removed by rotating the bolt, the movement of the movable body can be easily switched.

  Moreover, according to this invention, a lifting load can be disperse | distributed to a some fitting hole and a shaft, and the attachment rigidity to the display part of a speaker can be improved further.

  Moreover, according to this invention, since the movable body and the operation means are provided in the attachment body, the number of parts can be reduced and the cost can be reduced.

  Further, according to the present invention, since the suppression member is provided at the place where the male screw for fixing the attachment body is inserted and the outer edge portion of the attachment body, the suppression member is not affected. The movable body can be inserted and removed.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.
Embodiment 1
1 is a front perspective view showing a configuration of a display device according to the present invention, FIG. 2 is a rear perspective view, FIGS. 3 and 4 are enlarged side views of a part cut away, and FIG. FIG. 6 is a rear view showing the structure of the attachment body, and FIG. 7 is a cross-sectional plan view showing the structure of the principal part.

  The illustrated display device displays a television image, and includes a display unit 1 having a substantially rectangular parallelepiped shape, a speaker 2 that is disposed below the display unit 1 and has a substantially rectangular parallelepiped length substantially equal to the display unit 1, and the speaker. 2 is attached to both ends in the longitudinal direction of the display unit 1 and the rear part, and the movable body 4 is held by the attachment bodies 3 and 3 so as to be movable in the front-rear direction. , 4, levers 5, 5 for moving the movable bodies 4, 4, grip portions 6, 6 integrally formed with the attachment bodies 3, 3, and a central portion in the longitudinal direction of the display portion 1, It is a liquid crystal television that includes a stand 7 that is fixed and supports the display unit 1 in an upright state.

  The display unit 1 includes a liquid crystal panel 1a having a display surface on the front side, an optical sheet disposed on the rear side of the panel 1a, a diffusion plate, a backlight unit, a television substrate such as a power supply substrate, and the like. The cabinet 1b which accommodated these components is provided. At the lower part of the rear surface of the cabinet 1b and at both ends in the longitudinal direction, there are screw holes 11 and fitting holes 12 that are spaced apart in the longitudinal direction, and two fittings that are arranged between the screw holes 11 and the fitting holes 12. Joint holes 13 and 13 are opened. The insertion hole 12 is formed of a rubber bush having a cylindrical shape.

  The speaker 2 includes a housing 21 having a plurality of sound emission holes 2a in the front portion and accommodating a sound generation unit. Two screw holes 22, 22 that are spaced apart in the longitudinal direction, and two fitting holes that are disposed between the screw holes 22, 22, at the upper rear surface of the housing 21 and at both ends in the longitudinal direction. 23 and 23 are established.

  The attachment bodies 3 and 3 include a first fixing portion 3a fixed to the lower rear surface of the cabinet 1b, a second fixing portion 3b fixed to the upper rear surface of the housing 21, and first and second fixing portions. And a rectangular parallelepiped having an accommodating portion 3c for accommodating the movable bodies 4 and 4 in a movable manner.

  A through hole 31 corresponding to the screw hole 11 and a pin 32 corresponding to the fitting hole 12 are provided in the first fixing part 3a, and two pins corresponding to the screw holes 21 and 21 are provided in the second fixing part 3b. The through holes 33 and 33 are provided, and the rubber elastic cylinder 8 that suppresses the vibration generated in the speaker 2 from being transmitted from the housing 21 to the display unit 1 through the attachment bodies 3 and 3 passes through the three through holes. The holes 31, 33 and 33 are fitted. In addition, vibration generated in the speaker 2 is propagated from the housing 21 to the display unit 1 through the attachment bodies 3 and 3 on the outer edge portion of the attachment surface facing the cabinet 1b and the housing 21 of the attachment bodies 3 and 3. An elastic plate 8a made of rubber that suppresses this is held. And the attachment position of the attachment bodies 3 and 3 with respect to the display part 1 is decided by insertion in the insertion hole 12 of the pin 32, and the volt | bolt 9 as a male screw inserted in the elastic cylinder 8 is inserted into the screw holes 11, 22, and 22. The speaker 2 is elastically attached to the display unit 1 by tightening the screw 2 and the vibration generated in the speaker 2 is prevented from being propagated from the housing 21 to the attachments 3 and 3 by the elastic cylinder 8 and the elastic plate 8a. And it is comprised so that the said vibration may be suppressed from the attachment bodies 3 and 3 to the display part 1. FIG. In addition, the collar which contact | abuts the head of the volt | bolt 9 as shown in FIG.

  Further, the attachment bodies 3 and 3 have a holding hole 34 penetrating rearward from the accommodating portion 3c, a pivot hole opening to the holding hole 34, and two inwardly extending from the opening edge of the accommodating portion 3c. An extension piece is provided, and the levers 5 and 5 are pivotally attached by pins 35 inserted into the pivot support holes, and a spring receiver 36 is supported across the extension piece.

  The movable bodies 4 and 4 have four shaft bodies 41 that are inserted into and removed from the fitting holes 13, 13, 23, and 23, and a connecting portion 42 that connects the ends of the shaft bodies 41, and the housing portion 3 c. And an elastic body 10 that urges the movable bodies 4 and 4 in the detaching direction between the connecting portion 42 and the spring receiver 36. Is provided. The elastic body 10 is made of a coil spring.

  The levers 5 and 5 as operation means have an operation part arranged at the outside of the attachment bodies 3 and 3 at one end, and have an abutting part at the other end abutting on the connecting part 42 of the movable bodies 4 and 4. The middle part is formed of a plate body that is bent up and down, and a pin 35 is inserted into a pivotal support hole that is opened halfway.

  The grip portions 6 and 6 are integrally formed with the attachment bodies 3 and 3 by a synthetic resin material. The handle portions 6 and 6 have recesses that extend from the central portions of the attachments 3 and 3 to the rear of the display unit 1 from the fixing portions 3a and 3b, and have fingers on the lower surface. And the display unit 1 and the speaker 2 can be lifted.

  The stand 7 has a base portion 7a mounted on a mounting table and the like, and two leg portions 7b and 7b erected on the base portion 7a, and the upper portions of the leg portions 7b and 7b are It is attached to the rear.

FIG. 8 is a cross-sectional plan view corresponding to FIG. 7 in a state where the movable body has moved in the insertion direction.
In the display device configured as described above, the speaker 2 that forms a rectangular parallelepiped is disposed below the display unit 1, and the rear portion of the speaker 2 and both ends in the longitudinal direction are elastic cylinders 8 and elastic members as restraining members. The display unit 1 is attached by two attachment bodies 3 and 3 having a plate 8a, and the movable bodies 4 and 4 are held by the two attachment bodies 3 and 3, so that the display device is carried. In this case, the levers 5 and 5 are turned in one direction, and the four shafts 41 of the movable bodies 4 and 4 are moved by overcoming the biasing force of the elastic body 10 and moving the movable bodies 4 and 4 in the insertion direction. Are inserted into the fitting holes 13 and 23, respectively, and the attachment rigidity of the speaker 2 by the attachment bodies 3 and 3 can be increased. Therefore, even if the display device is relatively large, two persons can hook their fingers on the grip portions 6 and 6 of the attachments 3 and 3 and carry them in this hooked state. Further, since the lifting load of the display device can be transmitted to the display unit 1 from the attachments 3 and 3 that attach the speaker 2 to the display unit 1, the lifting load can be carried on the speaker 2 without applying the lifting load. Yes, the speaker 2 can be protected against the lifting load, and the grips 6 and 6 are provided on the attachments 3 and 3 for attaching the speaker, so that the number of parts can be reduced. Cost can be reduced.

  After the display device is carried, the levers 5 and 5 are rotated in the other direction, so that the movable bodies 4 and 4 are moved in the detaching direction by the urging force of the elastic body 10, and the attachment bodies 3 and 3 are elastic cylinders. 8 and the elastic plate 8a, the vibration generated in the speaker 2 can be absorbed by the elastic cylinder 8 and the elastic plate 8a. Therefore, it is possible to suppress vibration generated in the speaker 2 from being transmitted from the attachments 3 and 3 to the display unit 1 by the elastic cylinder 8 and the elastic plate 8a, and to generate chatter noise in the display unit 1. Can be prevented.

Embodiment 2
FIG. 9 is an enlarged side view of a main part with a part broken away, FIG. 10 is a transverse plan view showing the structure of the main part, and FIG. 11 is a rear view showing the structure of the attachment.
In this display device, instead of using the levers 5 and 5 as operation means for moving the movable bodies 4 and 4, bolts 20 and 20 that are not movable in the axial length direction and are rotatable are used. The movable bodies 4 and 4 are configured to be moved relative to each other in the insertion / removal direction by rotating the movements 20 and 20.

  The attachment bodies 3 and 3 penetrate rearwardly from the accommodating portion 3c in which the movable bodies 4 and 4 are accommodated, and in the two insertion holes 37 and 37 through which the bolts 20 and 20 are inserted, and in the central portion of the accommodating portion 3c. A guide shaft 38 is provided in parallel with the insertion / removal direction and guides the insertion / removal operation of the movable bodies 4, 4.

  In the movable bodies 4 and 4, screw holes 43 and 43 into which the two bolts 20 and 20 are screwed are formed in the connecting portion 42 that connects the four shaft bodies 41, and guides to the central portion of the connecting portion 42. A guide hole 44 into which the shaft 38 is inserted is opened.

  The bolts 20, 20 are not movable in the axial length direction and can be rotated and inserted and supported in the insertion holes 37. The screw portions are respectively screwed into the screw holes 43, and the heads are attached to the attachment body 3. , 3 is arranged to move the movable bodies 4, 4 in the insertion direction relative to each other by rotating in one direction, and to move in the disengagement direction by rotating in other directions. It is configured to move relative to each other. The bolts 20 and 20 are stopped from moving in the axial direction with respect to the attachment bodies 3 and 3 by a movement stop means such as a retaining ring.

12 is a cross-sectional plan view corresponding to FIG. 10 in a state where the movable body has moved in the insertion direction.
In the second embodiment, a speaker 2 having a rectangular parallelepiped shape is disposed below the display unit 1, and the rear part of the speaker 2 and both ends in the longitudinal direction have the elastic cylinder 8 and the elastic plate 8 a. When the display device is carried, the two attachments 3 and 3 are attached to the display unit 1 and the movable members 4 and 4 are held by the two attachments 3 and 3. The shafts 41 of the movable bodies 4 and 4 are fitted by rotating the bolts 20 and 20 held by the landing bodies 3 and 3 in one direction and moving the movable bodies 4 and 4 in the insertion direction. The mounting rigidity of the speaker 2 by the mounting bodies 3 and 3 can be increased by being inserted into the holes 13 and 23, respectively. Therefore, even if the display device is relatively large, two persons can hook their fingers on the grip portions 6 and 6 of the attachments 3 and 3 and carry them in this hooked state.

After carrying the display device, by rotating the bolts 20 and 20 held by the two attachment bodies 3 and 3 in the other direction, the movable bodies 4 and 4 are relatively moved in the disengagement direction. Since the bodies 3 and 3 are switched to a configuration in which they are elastically attached by the elastic cylinder 8 and the elastic plate 8a, the vibration generated in the speaker 2 can be absorbed by the elastic cylinder 8 and the elastic plate 8a. Therefore, it is possible to suppress vibration generated in the speaker 2 from being transmitted from the attachments 3 and 3 to the display unit 1 by the elastic cylinder 8 and the elastic plate 8a, and to generate chatter noise in the display unit 1. Can be prevented.
Since other configurations and operations are the same as those of the first embodiment, the same components are denoted by the same reference numerals, and detailed description thereof and description of operations and effects are omitted.

  In the embodiment described above, the movable bodies 4 and 4 are held by the attachment bodies 3 and 3. In addition, the movable bodies 4 and 4 are arranged at two positions apart from the two attachment bodies 3 and 3. Alternatively, one movable body 4 may be provided at a position separated from one attachment body 3, and the other one movable body 4 may be held by the other attachment body 3. The movable bodies 4 and 4 are configured to be held by the attachment bodies 3 and 3, and the holding unit is provided in the cabinet 1 b of the speaker 2 or the display unit 1, and the movable bodies 4 and 4 are held by the holding unit. It is good. When the movable bodies 4, 4 are held by the holding portion of the cabinet 1 b, the fitting holes into which the movable bodies 4, 4 are fitted are provided in the attachment bodies 3, 3 or the speaker 2.

  In the embodiment described above, the levers 5 and 5 and the bolts 20 and 20 as operation means are held on the members (attachment bodies 3 and 3) provided with the movable bodies 4 and 4. In addition, the levers 5 and 5 or the bolts 20 and 20 may be configured to be held in a member (cabinet) provided with a fitting hole. In this case, the vibration generated in the speaker 2 between the levers 5 and 5 or the bolts 20 and 20 and the movable bodies 4 and 4 is transmitted from the levers 5 and 5 or the bolts 20 and 20 and the movable bodies 4 and 4 to the display unit 1. An elastic body that suppresses propagation to the cabinet is provided.

  In addition, the operation means includes the levers 5 and 5 that are pivotally mounted so as to be rotatable. In addition, the operation means includes a sliding member that can slide in the horizontal direction or the vertical direction. Is provided between the movable body 4 and the movable body 4, 4, and the movable body 4, 4 is moved in the insertion direction by overcoming the urging force of the elastic body 10 by the sliding operation to one side of the sliding member. You may comprise so that the movable bodies 4 and 4 may be moved to a detachment | leave direction by the urging | biasing force of the elastic body 10 by sliding operation to the other.

  Moreover, although it was set as the structure provided with the attachment body 3 and 3 formed separately from the cabinet 1b and the speaker 2 of the display part 1, it is a speaker by the attachment body 3 and 3 integrally molded with the cabinet 1b or the speaker 2. 2 may be configured to be attached to the display unit 1. Moreover, although it was set as the structure provided with the handle parts 6 and 6, the handle parts 6 and 6 are not necessarily required.

  In addition to the liquid crystal display device such as a liquid crystal television, the display device according to the present invention may be a display device such as a plasma display device or an EL display.

It is a perspective view of the front side which shows the structure of the display apparatus which concerns on this invention. It is a perspective view of the back side which shows the composition of the display concerning the present invention. It is an expanded side view of the principal part which fractured | ruptured a part of display apparatus which concerns on this invention. It is an expanded side view of the principal part which fractured | ruptured a part of display apparatus which concerns on this invention. It is an expansion perspective view which shows the structure of the principal part of the state which removed the attachment body of the display apparatus which concerns on this invention. It is a rear view which shows the structure of the attachment body of the display apparatus which concerns on this invention. It is a cross-sectional top view which shows the structure of the principal part of the display apparatus which concerns on this invention. It is a cross-sectional top view corresponding to FIG. 7 of the state which the movable body moved to the insertion direction. It is an expanded side view of the principal part which fractured | ruptured a part of display apparatus which concerns on this invention. It is a cross-sectional top view which shows the structure of the principal part of the display apparatus which concerns on this invention. It is a rear view which shows the structure of the attachment body of the display apparatus which concerns on this invention. It is a cross-sectional top view corresponding to FIG. 10 of the state which the movable body moved to the insertion direction.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Display part 13 Fitting hole 2 Speaker 23 Fitting hole 3 Attachment body 3c Housing part 31 Through-hole 4 Movable body 41 Shaft body 42 Connection part 43 Screw hole 5 Lever (operating means)
8 Elastic cylinder (suppressing member)
8a Elastic plate (suppressing member)
10 Elastic body (operation means)
20 volts (operating means)
6 Handle part 9 Bolt (Male screw)

Claims (6)

  In the display device in which a speaker is attached to the lower portion of the display unit, one of the speaker or the attachment and the display unit has a fitting hole, and the other is inserted into / detached from the fitting hole. An operating means for moving the movable body in the insertion / removal direction, and a suppression member for suppressing vibration generated in the speaker from being propagated from the attachment body to the display unit. A display device characterized by that.   The display device according to claim 1, wherein the operation unit includes a lever that is pivotally supported by the speaker or the attachment body and presses the movable body in an insertion direction, and an elastic body that biases the movable body in a removal direction. .   The operating means is not movable in the axial length direction and is capable of rotating, and the bolt held by the speaker or the attachment body and the bolt are screwed together, and is opened in the movable body. The display device according to claim 1, further comprising a screw hole.   The plurality of fitting holes are juxtaposed, and the movable body includes a plurality of shaft bodies that are inserted into and removed from the fitting holes, and a connecting portion that connects the shaft bodies. The display device described in 1.   The said attachment body has a handle part by which a finger | toe is hung on a lower surface, and the accommodating part in which the said movable body is accommodated, The said lever or bolt is hold | maintained at the said attachment body. The display device according to any one of the above.   The attachment body has a plurality of through holes through which male screws are inserted, and the suppression member is an elastic cylinder through which the male screws are inserted, and an elastic plate held by an outer edge portion of the attachment body. Item 6. The display device according to any one of Items 1 to 5.

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