JP2007074569A - Electronic apparatus with stand - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that a stand cannot be removed without removing a back cover, and many lockscrews which fix the back cover need to be removed before the stand is removed in the conventional electronic apparatus with the stand. <P>SOLUTION: This electronic apparatus is constituted by installing a main part 2 of a television, the back cover 3 which covers the back of the main part 2 of the television, and the stand 4 which supports the main part 2 of the television. The stand 4 has a supporting plate 22 for supporting the main part 2 of the television. A fitting member 35 which is fitted with the supporting plate 22 is arranged on the main part 2 of the television. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a display device having a flat display panel, a speaker device having one or more speakers, and other electronic devices with a stand that are supported by a stand.

  As this type of conventional electronic device with a stand, for example, there is one described in Patent Document 1. Patent Document 1 describes a display device including a flat display panel such as a liquid crystal panel or a plasma panel. The display device disclosed in Patent Document 1 is “in a display device including a flat display panel, the flat display panel is sandwiched between a front case and a panel holding unit straddling the front case. ".

According to the display device described in Patent Document 1 having such a structure, “the flat display panel can be fixed to the front cover side without using a designated mounting portion provided on the flat display panel itself. There is no need for a structure for receiving a long screw in the thickness direction for screwing the panel to the front cover by using the mounting portion, and thus the front cover can be thinned (paragraph [0021] of the specification). ”Is expected.
JP 2003-150076 A

  However, in the display device including the conventional flat display panel as described above, the liquid crystal panel is fixed to the front cover by being sandwiched between the front cover, the center stay, the left stay, and the right stay. The center stay has a function of fixing the rear cover and the stand portion, and the rear cover is fixed to the front cover by screwing to the center stay. The stand portion has an arm portion swingably provided on the base portion, and a disc-shaped cover body attached to the tip of the arm portion by an attaching means (not shown), that is, a part of the rear cover. The display part is supported by the stand part by screwing the to the center stay.

  In the display device having the flat display panel of Patent Document 1 having such a configuration, a rear cover is fixed to the tip of the arm portion of the stand portion, and a front cover to which the liquid crystal panel is fixed is fixed to the rear cover. Has been. Thereby, the stand could not be removed unless the rear cover (back cover) was removed.

  As a result, for example, when the stand of an electronic device with a stand is detached and used on a wall, the stand cannot be removed unless the back cover is removed. Therefore, before the stand is removed, it is necessary to remove many fixing screws that fix the back cover, and there is a problem that workability is poor.

  The problem to be solved is that in conventional electronic devices with a stand, the stand cannot be removed unless the back cover is removed, and until the stand is removed, many fixing screws for fixing the back cover are required. It is necessary to remove.

  An electronic device with a stand according to the present invention includes an electronic device main body, a back cover that covers the back of the electronic device main body, and a stand that supports the electronic device main body, and the stand is a support for supporting the electronic device main body. It has a plate, and the electronic device main body is provided with a fitting member that is fitted to the support plate.

  According to the electronic device with a stand of the present invention, the stand can be attached and detached without removing the back cover, and the back with respect to the electronic device main body can be used regardless of whether or not the stand is attached to the electronic device main body. The cover can be attached and removed.

  An electronic device with a stand that can attach and remove the stand without removing the back cover and can also attach and remove the back cover while the stand is attached has been realized with a simple configuration.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIGS. 1-10 demonstrates the example of embodiment of this invention. 1 is a perspective view of an embodiment of an electronic device with a stand according to the present invention as viewed from the front side, FIG. 2 is a perspective view of the same as viewed from the back side, and FIG. FIG. 4 is a rear perspective view of the electronic device main body with the back cover removed, FIG. 5 is a perspective view of a stand with a fitting member attached to the mounting plate, and FIG. 6 is a separation of the fitting member from the mounting plate. FIG. 7 is a sectional view of a part of the stand, FIG. 8 is an explanatory view showing the main part of the mounting plate, the fitting member, and the back plate. FIG. FIG. 10 is an explanatory diagram in which an engagement space portion is formed by a back plate and a fitting member.

  1 to 10 show a plasma display television 1 as a first embodiment of an electronic apparatus with a stand according to the present invention. The plasma display television 1 displays an image as a television receiver, and is a so-called thin image display device. However, the electronic device with a stand according to the present invention is not limited to the plasma display television 1 of this embodiment, and of course a liquid crystal display television, a projector and other display devices capable of displaying images, for example, The present invention can be applied to various electronic devices that support an electronic device main body using a stand, such as a speaker device in which one or two or more speakers are housed in a housing and supported by the stand.

  As shown in FIGS. 1 to 4, the plasma display television 1 includes a television main body 2 showing a specific example of an electronic device main body, a back cover 3 that covers the back of the television main body 2, and the television main body 2 from below. And a stand 4 for supporting and supporting. The television main body 2 includes a plasma display assembly 5, a filter glass 6 attached to the front side of the plasma display assembly 5, a front cover 7 that surrounds the four sides of the filter glass 6, and a rear side of the plasma display assembly 5. And a shield cover 8 attached to cover the cover.

  The plasma display assembly 5 includes a plasma display that is a light emitting device, a drive circuit having a power supply substrate and other circuit boards, a base plate that supports these, and the like. It is structured. Since the plasma display may emit radioactive electromagnetic waves (electromagnetic interference) due to its light emission principle, it is electromagnetically shielded by the shield cover 8 or the like so as not to leak outside. The plasma display has a horizontally long rectangle, and a rectangular filter glass 6 having substantially the same size is disposed on the front surface thereof.

  The filter glass 6 is provided with a conductive electromagnetic shield part on its inner surface. This electromagnetic shield part shields the electromagnetic wave radiated | emitted from a plasma display or a drive circuit, and prevents that unnecessary electromagnetic wave leaks to the outer surface side. As the electromagnetic shield part, for example, a transparent conductive film or a metal mesh member can be used. The filter glass 6 is attached so as to be attached to the front surface of the plasma display assembly 5. The periphery of the front side of the filter glass 6 is surrounded by a front cover 7 that forms a rectangular frame as a whole. The front cover 7 is detachably screwed to a base plate 11 showing a specific example of a mounting member of the plasma display assembly 5.

  The shield cover 8 disposed on the back surface of the plasma display assembly 5 is similarly detachably screwed to the base plate 11. Two frames 9, 9 extending in the vertical direction are arranged on the back surface of the shield cover 8. The two frames 9 and 9 are arranged side by side and in parallel at an appropriate interval in the left-right direction at a substantially central portion. The two frames 9 and 9 are like a spine that gives the TV main body 2 a predetermined strength, and the upper end portion 9a thereof is screwed to the upper stay 11a of the base plate 11, and the lower end portion 9b is Screwed to the lower stay 11b of the base plate 11.

  A back cover 3 is disposed behind the two frames 9, 9, and the back cover 3 is detachably attached to the television main body 2 via the base plate 11 by fixing means including a plurality of fixing screws. Yes. The back cover 3 is made of a cover member having a size that can completely cover the back surface of the TV main body 2, and a first concave portion 12 in which each connection portion of the connector and the connection terminal is exposed at the lower center portion. Is provided. Further, second recesses 13 and 13 are provided at two positions below the recess 12 of the back cover 3 with a predetermined interval in the left-right direction. And as shown in FIG. 8, the notch part 16 obstruct | occluded by the fitting member 35 mentioned later is provided in the lower side of the back cover 3, and the part corresponding to the two recessed parts 13 and 13. As shown in FIG. .

  Further, in the two second recesses 13, 13, there are escape holes 14 for allowing the stand 4 to be screwed to a fitting member to be described later with a fixing screw or for removing the screw. There are as many as there are. In this embodiment, a total of four escape holes 14 are provided in each of the two second recesses 13. The diameter of the escape hole 14 is formed larger than the diameter of the head of the fixing screw used for fixing the support plate 22 to the fitting member 35.

  The two second recesses 13 and 13 having the four escape holes 14 and the peripheral surface portion thereof constitute a back plate side fitting receiving portion 15. The fitting receiving portion 15 and the fitting member 35 constitute a fitting space portion in which the support plate 22 of the stand 4 is detachably fitted. As a material for the back cover 3, for example, engineering plastics having an excellent strength and excellent strength are suitable. However, the material is not limited to this, and it is a matter of course that a metal material such as a steel plate can be used. is there. The material of the frame 9 is preferably formed of a metal material having a large strength that can exhibit a sufficiently large strength, such as a steel material.

  As shown in FIGS. 5 to 8, the stand 4 includes a base member 21 placed on a placement surface such as a floor, a support plate 22 provided on the upper surface of the base member 21, and the like. The base member 21 is formed of a substantially elliptical dish-like member, and a boss portion 21a protruding upward is provided at a substantially central portion of the upper surface thereof. A support plate 22 is attached to the boss portion 21a so that the support plate 22 can be rotated in the horizontal direction and can also be rotated in the front-rear direction.

  The support plate 22 includes a fitting portion 23 formed of a long plate extending in the horizontal direction, a bearing portion 24 that supports the fitting portion 23 so as to be rotatable in the front-rear direction, and the bearing portion 24. Has a support portion 25 and the like which are rotatably supported in the horizontal direction. The fitting part 23 has two support pieces 23a and 23a which are parallel to each other and protrude to one surface side, and the pair of support pieces 23a and 23a are provided at predetermined intervals in the horizontal direction. On both sides in the longitudinal direction of the fitting portion 23, there are two insertion holes 23 b through which the shaft portions of the fixing screws 29 for screwing the support plate 22 to the main body side bracket 36 fixed to the television main body 2 are inserted. It is provided one by one.

  A pair of bearing pieces 24a and 24a are arranged on both outer sides of the pair of support pieces 23a and 23a of the fitting portion 23 so as to face each other. The pair of bearing pieces 24 a and 24 a are provided at both ends of the bearing portion 24. A shaft pin 26 is passed through each of the support piece 23a and the bearing piece 24a installed so as to face each other. The two shaft pins 26 are provided so that their axis centers coincide with each other, whereby the fitting portion 23 rotates in the front-rear direction with respect to the bearing portion 24 with the two shaft pins 26 as the rotation center. It is supported movably.

  As shown in FIG. 7, a fixing piece 24b, which is continuous with the lower edge of the bearing plate 24 in the longitudinal direction of the bearing portion 24 of the support plate 22 and is bent in an L shape, is extended downward. Is provided. A through hole 27 is provided in the horizontal portion of the fixed piece 24b extending in the horizontal direction. A support shaft 28 having an axial center line extending in the vertical direction is passed through the through hole 27 of the fixed piece 24b. The support shaft 28 is fixed to the boss portion 21a of the stand 21, and bearing members 31 and 32 fitted to the support shaft 28 are arranged above and below the fixed piece 24b.

  Further, the fixed piece 24b is restricted in rotation movement within a predetermined angle range by the support shaft 28, and can be rotated in the horizontal direction within the rotation range. The fixed portion 24b, the support shaft 28, and the upper and lower bearing members 31, 32 constitute a support portion 25 of the support plate 22.

  A fitting member 35 attached to the television main body 2 is detachably fitted to the support plate 22. The fitting member 35 includes a main body side bracket 36 (see FIG. 9) fixed to the lower stay 11 b of the television main body 2 and a shielding cover 37 fixed to the main body side bracket 36. The shielding cover 37 has a shape capable of closing the notch 16 provided in the back cover 3 without a gap in a state where the shielding cover 37 is attached to the television main body 2 via the main body side bracket 36 (see FIG. 10). The shielding cover 37 forms a fitting space for fitting and holding the support plate 22 in cooperation with the back cover 3.

  That is, the shielding cover 37 has a pocket portion 38 that covers the fitting portion 23 of the support plate 22 as shown in FIGS. 6 and 8. The pocket portion 38 includes a front portion 38a that faces the bearing portion 24 of the support plate 22, and side portions 38b and 38b that are continuous on both sides of the front portion 38a and face the bearing pieces 24a of the bearing portion 24, respectively. The upper surface portion 38c is continuous with these upper portions and covers the upper surface of the bearing portion 24, and is open to the back surface and the lower surface. On both outer sides of the opening of the pocket portion 38, left and right facing portions 41, 41 facing the inner surface of the second recess 13 of the support plate 22, and left and right blockages for closing the notch portion 16 of the back cover 3. Parts 42 and 42 are provided, respectively.

  The pair of opposing portions 41, 41 are provided so as to expand from the opening on the back surface of the pocket portion 38 outward in the left-right direction. And in each opposing part 41, two 1st insertion holes 41a in which the axial part of the fixing screw 29 for clamping and fixing the support plate 22 to the main body side bracket 36 are penetrated, and the shielding cover 37 are provided on the main body side. Two second insertion holes 41b through which shaft portions of fixing screws 55 for fastening and fixing to the bracket 36 are inserted are provided. The two first insertion holes 41a and the two second insertion holes 41b are arranged diagonally so that lines connecting the same type of insertion holes intersect each other.

  Further, the pair of closing portions 42 are provided so as to expand from the opening on the lower surface of the pocket portion 38 outward in the left-right direction. Although the shielding cover 37 is fixed to the main body side bracket 36 by a plurality of fixing screws 55, when the back cover 3 is attached to the television main body 2, the lower surface portion of the shielding cover 37 is the back cover as shown in FIG. 3 is matched with a notch 16 provided on the lower surface of the No. 3, and the notch 16 can be closed without a gap.

  Similarly, as shown in FIGS. 6 and 8, the main body side bracket 36 includes a cover portion 44 that covers the pocket portion 38 of the shielding cover 37, and left and right fixing portions 45 that are continuous to both ends in the longitudinal direction of the cover portion 44. , 45. The cover portion 44 includes a front portion 44a that faces the front portion 38a of the pocket portion 38, and left and right side portions 44b that are continuous with both sides of the front portion 44a and face the side portion 38b of the pocket portion 38, respectively. 44b. Two first screw holes 45a into which the shaft portion of the fixing screw 29 is screwed and the shaft portion of the fixing screw 55 are screwed into the left and right fixing portions 45, 45 which are continuous on both outer sides of the cover portion 44. Two second screw holes 45b are provided.

  Further, the main body side bracket 36 is provided with a locking piece 46 that is continuous with the upper end of the cover portion 44 and faces the upper surface portion 38 c of the pocket portion 38. A claw portion 47 protruding in the same direction as the cover portion 44 is provided at the distal end portion of the locking piece 46. When the stand 4 is attached, the claw portion 47 of the locking piece 46 comes into contact with the support plate 22 of the stand 4 from the side.

  Further, as shown in FIG. 9, the upper portion of the cover portion 44 of the main body side bracket 36 and the left and right fixing portions 45, 45 include an attachment piece 48 a for fixing the main body side bracket 36 to the lower stay 11 b of the base plate 11. Two arm pieces 48b and 49 are provided. That is, on the upper part of the cover part 44, two attachment pieces 48a set on substantially the same plane as the front part 44a and two arm pieces 48b extending in the same direction as the engagement piece 46 are provided. ing. Two arm pieces 49 extending to the front side are provided on the upper portion of the fixed portion 45. The front end portions of the four arm pieces 48b and 49 are flat surfaces parallel to the front portion 44a, and these and the attachment pieces 48a have shafts of fixing screws for fixing the main body side bracket 36 to the lower stay 11b. Insertion holes 51 and 52 through which the part is inserted are provided.

  The television main body 2, the back cover 3, and the stand 4 of the plasma display television with stand 1 having such a configuration can be assembled or disassembled as follows, for example.

  1 and 2 show a general usage state of a plasma display television 1 with a stand. A back cover 3 is attached to the back of the television main body 2, and the television main body 2 is supported by the stand 4. Has been. In such a form, in general, the plasma display television 1 is placed in an upright state (a state in which the display surface is set up) in a home living room or the like, and is provided for a home group or the like.

  In this case, as shown in FIG. 4, the fitting member 35 is fixed to the television main body 2, and the support plate 22 of the stand 4 is fitted to the fitting member 35. At this time, the fitting member 35 is configured integrally with the television main body 2 by fastening the shielding cover 37 to the main body side bracket 36 with a plurality of fixing screws 55. That is, the shaft portion of the fixing screw 55 is inserted into the first insertion hole 41 a provided in the facing portion 41 of the shielding cover 37, and the screw portion is inserted into the second screw hole 45 b of the fixing portion 45 provided in the main body side bracket 36. And tighten to fix.

  In this way, the shielding cover 37 is fastened and fixed to the main body side bracket 36 by the fixing screw 55, and the support plate 22 is inserted inside the shielding cover 37. At this time, as shown in FIG. 5, the head of the fixing screw 55 is inserted into a through hole provided in the support plate 22 with a predetermined gap, or is hidden inside the support plate 22 and cannot be seen from the outside. It becomes a state.

  In this state, since the support plate 22 is simply inserted into the fitting member 35, the stand 4 can be easily separated from the television body 2 by pulling out the support plate 22. When the stand 4 is fixed to the television main body 2, as shown in FIG. 8, the support plate 22 is fastened and fixed to the fitting member 35 by a plurality of fixing screws 29. That is, the screw shaft portion of the fixing screw 29 is inserted into the insertion hole 23b provided in the fitting portion 23 of the support plate 22, and is passed through the first insertion hole 41a of the shielding cover 37. The first screw hole 45a provided in the fixing portion 45 of the bracket 36 is screwed and fixed. As a result, the state shown in FIG. 5 is obtained, and the stand 4 is fastened and fixed to the television main body 2 by a plurality of fixing screws (four in this embodiment).

  The state where the back cover 3 is attached to the television main body 2 having the stand 4 is the state shown in FIGS. From the state shown in FIG. 1 and the like, a plurality of fixing screws 29 for connecting the stand 4 and the television main body 2 are inserted through the escape holes 14 provided in the back cover 3 appearing in FIG. The back cover 3 can be removed from the television body 2 by loosening and removing. At this time, the four escape holes 14 are opened at positions corresponding to the heads of the four fixing screws 55 that join the stand 4 and the television body 2, respectively. Therefore, by inserting the tip of the driver from these escape holes 14, the tip can be engaged with the recess of the head of the fixing screw 29 and rotated.

  Therefore, as shown in FIG. 3, the back cover 3 is attached to the television main body 2 by removing all the fixing screws 29 that couple the support plate 22 of the stand 4 and the main body side bracket 36 of the fitting member 35. In this state, the stand 4 can be separated from the television main body 2. In this case, since the stand 4 can be separated from the television main body 2 simply by removing the four fixing screws 29, the separation work of the stand 4 can be performed very easily and quickly. The television main body 2 having such a configuration can be used as a wall-mounted television, for example.

  On the other hand, the back cover 3 is fastened and fixed to the television main body 2 by a separate fixing screw irrespective of the stand 4. Therefore, even when the stand 4 is still attached to the TV main body 2, the back cover 3 can be separated from the TV main body 2 alone by removing the original fixing screw as shown in FIG. . In this case, the rear surface of the television main body 2 can be exposed by removing only the back cover 3 without removing the stand 4. Therefore, inspections and repairs performed by opening the back of the television main body 2 can be performed smoothly and quickly, and workability in this type of electronic apparatus can be improved.

  Further, as shown in FIG. 5 and the like, the support plate 22 of the stand 4 is simply inserted into the fitting space portion formed by the main body side bracket 36 of the fitting member 35 and the shielding cover 37 and the back cover 3. 4 can be fitted and fixed to the television main body 2. Therefore, the stand 4 and the television main body 2 can be easily and reliably coupled, and both can be firmly coupled and supported.

  In addition, as shown in FIG. 7, the main body side bracket 36 is provided with a claw portion 47, and when the support plate 22 is inserted into the pocket portion 38 of the shielding cover 37, the claw portion 47 engages with the support plate 22. Is done. Therefore, the support plate 22 can be firmly held by the main body side bracket 36.

  As described above, according to the plasma display television with stand 1 of the present invention, since the stand 4 can be attached to the television body 2 without the back cover 3, the following effects can be obtained. . In other words, plasma TVs and LCD TVs tend to have larger screen sizes, and it is difficult to lower the size of a large TV screen to repair the interior at the customer's house due to space constraints. However, according to the present invention, the work can be performed with the back cover 3 removed while the television main body 2 is attached to the stand 4 and standing. Therefore, it is possible to repair the inside of the television without lowering the screen of the television main body 2 at the time of service correspondence.

  Furthermore, when the plasma display TV 1 is exported, for example, customs may procure parts locally, but even in such a case, the local factory is in an upright state without standing down (upright) State) work can be performed, and the work space can be reduced. Furthermore, since the back cover can be opened and closed in an upright state during development of plasma televisions and liquid crystal televisions, there is no need for a space to work with the screen down in evaluation tests, etc. Since various examinations and evaluations are possible in a standing state, development efficiency can be improved.

  In addition, since the stand 4 can be attached to the TV body 2 after the back cover 3 is attached, for example, when transporting a plasma TV or a liquid crystal TV, the packing size is reduced by packing only the stand separately. It is possible to increase efficiency. Moreover, in a conventional TV with a stand, the stand cannot be attached without removing the back cover. However, according to the present invention, only the stand can be attached later. The workability in the apparatus can be improved.

  The present invention is not limited to the embodiment described above and shown in the drawings, and various modifications can be made without departing from the scope of the invention. For example, in the above-described embodiment, an example in which a plasma display television is applied as an electronic device with a stand has been described. However, the present invention can be applied to various electronic devices using a liquid crystal display television, a projector, a speaker device, and other stands.

It is the perspective view which looked at the plasma display television which shows one Example of the electronic device with a stand of this invention from the front side. It is the perspective view which looked at the plasma display television shown in FIG. 1 from the front side. It is the perspective view which looked at the state which removed the stand from the electronic device main body of the plasma display television shown in FIG. 1 from the back side. It is the perspective view which looked at the state which removed the back cover from the electronic device main body of the plasma display television shown in FIG. 1 from the back side. It is a perspective view of the stand which attached the fitting member to the attachment plate of the stand shown in FIG. It is explanatory drawing of the stand which isolate | separated the fitting member from the attachment plate of the stand shown in FIG. FIG. 6 is an explanatory view showing a cross section of a part of the stand shown in FIG. 5. It is explanatory drawing which shows the principal part of the attachment plate of the stand shown in FIG. 5, a fitting member, and a back plate. It is explanatory drawing which shows the state which attached the main body side frame to the flame | frame of the electronic device main body. It is explanatory drawing which formed the engagement space part with the back plate and the fitting member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Plasma display television (electronic device with a stand), 2 ... Television main body (electronic device main body), 4 ... Stand, 5 ... Plasma display assembly, 11 ... Base plate, 11b ... Lower stay, 13 ... 2nd recessed part, 14 DESCRIPTION OF REFERENCE SYMBOLS: Escape hole 16 ... Notch part 22 ... Support plate 23 ... Fitting part 24 ... Bearing part 25 ... Support part 29 ... Fixing screw 35 ... Fitting member 36 ... Body side bracket 37 ... Shield cover, 46 ... engaging piece, 47 ... claw, 55 ... fixing screw

Claims (4)

An electronic device body,
A back cover covering the back of the electronic device body;
A stand for supporting the electronic device body,
The stand has a support plate for supporting the electronic device main body,
An electronic device with a stand, wherein the electronic device main body is provided with a fitting member to be fitted to the support plate. The fitting member is a main body side bracket fixed to an attachment member provided in the electronic device main body,
2. A shielding cover which is fixed to the main body side bracket and is interposed between the main body side bracket and the support plate and closes a notch provided in the back cover. Electronic device with stand.   The electronic device with a stand according to claim 2, wherein the shielding cover forms a fitting space for fitting the support plate in cooperation with the back cover. The electronic device with a stand according to claim 1, wherein the back cover is provided with a relief hole for turning a fixing screw for fixing the support plate to the main body side bracket.

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