JP2015191078A - Frame reinforcement member, frame, and television apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a frame reinforcement member appropriate for light shielding and reinforcing of a bent part of a frame formed of a bent metal frame bar, a frame provided with the frame reinforcement member and a television apparatus having the frame.SOLUTION: A frame 107 is formed of a bent metal frame bar 10. The frame is formed with a bending hole and a V-cut part in bending position of the metal frame bar 10 continuous to the bending hole, and is bent so that two edges formed by the V-cut part in the frame bar come into contact with each other. At the corner parts of the bent frame, hooks 21 are provided to be inserted at both sides of the V-cut part to fix the frame and frame reinforcement members 20 which have a shading part for shielding the gaps where two edges are in contact with each other.

Description

  The present invention relates to a frame reinforcing member, a frame, and a television device, and more particularly, to a frame suitable for a display device having a backlight light source such as a liquid crystal display device, the frame reinforcing member, and a television device using the frame.

  In recent years, television apparatuses have been made thinner or narrower, and an aluminum frame for a liquid crystal television is also formed by bending a long extruded frame material into a frame shape. A frame integrally formed by such bending processing is easier to assemble and has fewer parts than a four-piece frame in which each side is separately manufactured.

  For example, in Patent Document 1, a plurality of portions corresponding to a cover portion of a metal workpiece are cut into a V-shape, and a portion corresponding to a frame portion of the notched portion is bent and bent. It is disclosed that a frame-shaped exterior cabinet is formed using the processed material. Further, in Patent Document 2, a bending hole portion for bending which has a substantially inverted trapezoidal shape in a state before bending is provided in a portion to be bent, and these bending holes are in contact with each other during processing. Thus, a frame is described in which two restricting means for restricting the amount of bending to a predetermined value are formed.

JP 2010-266623 A Japanese Patent No. 5149419

  Since the frame described in Patent Document 1 or 2 is provided with a hole or V-shaped notch in the bent portion of the frame material, the strength as the frame is locally weakened. When handling a single frame, for example, a jig for preventing the frame from being distorted needs to be attached to necessary portions at the four corners of the frame. For example, FIG. 8 is a diagram showing a bent frame 200 and a jig 201 provided at the corner thereof. The jig 201 is temporarily fixed to holes 202 provided on both sides of the corner of the frame 200, and the frame is attached to the frame. It was necessary to remove the jig 201 when incorporating it into a liquid crystal television. Further, in the bent portion that becomes the corner of the frame material, two sides of the frame material notched in a V shape are brought into contact with each other. It was necessary to provide a separate light-shielding seal.

  The present invention has been made in view of these circumstances, a frame reinforcing member suitable for reinforcing and shielding a bent portion of a frame formed by bending a metal frame material, and the frame reinforcing member It is an object of the present invention to provide a frame provided with a frame and a television set having the frame.

  In order to solve the above problems, a first technical means of the present invention is a frame reinforcing member used for a frame formed by bending a metal frame material, wherein the frame is made of the frame material. A bending hole portion and a V-shaped cut portion connected to the bending hole portion are provided at a bending position, and the V-shaped cut portion is bent until two sides formed on the frame material face each other, The frame reinforcing member has a fixing portion that is fixed to the frame on both sides of the V-shaped cut portion, and a light-shielding portion that shields the gap between the two sides facing each other.

  According to a second technical means of the present invention, in the first technical means, the frame reinforcing member further includes a light shielding portion that shields the bent hole portion provided in the frame material.

  According to a third technical means of the present invention, in the first or second technical means, the fixing portion of the frame reinforcing member is fitted into fixing holes provided on both sides of the V-shaped cut portion of the frame material. It is characterized by being a hook.

  According to a fourth technical means of the present invention, in the first or second technical means, the fixing portion of the frame reinforcing member is provided on both sides of the V-shaped cut portion of the frame material with the frame material interposed therebetween. The clip has a protrusion that fits into the fixing hole.

  According to a fifth technical means of the present invention, in the first or second technical means, the fixing portion of the frame reinforcing member is opposed to fixing holes provided on both sides of the V-shaped cut portion of the frame material. The fixing hole for fixing the frame material and the fixing hole for the frame reinforcing member are fixed by a push rivet.

  A sixth technical means of the present invention is a frame formed by bending a metal frame material, and the frame is connected to the bending hole portion and the bending hole portion at a bending position of the frame material. A V-shaped cut portion is provided and is bent until two sides formed on the frame material are opposed to each other by the V-shaped cut portion, and the bent portion has the V-shaped cut portion. A frame reinforcing member having a fixing portion fixed to the frame on both sides of the frame and a light shielding portion that shields the gap portion facing the two sides is provided.

  A seventh technical means of the present invention is a television apparatus, characterized by having sixth technical means.

  ADVANTAGE OF THE INVENTION According to this invention, the frame reinforcement member suitable for reinforcement and the light shielding of the bending process part of the flame | frame formed by bending a metal frame material can be provided, and handling of a flame | frame becomes easy. In addition, a television set having a frame reinforced with a frame reinforcing member can eliminate light leakage without impairing thickness reduction.

It is a disassembled perspective view of an example of the television apparatus which concerns on this invention. It is sectional drawing of an example of the television apparatus which concerns on this invention. It is a figure for demonstrating an example of the frame material and bending process part of the flame | frame which concerns on this invention. It is a figure which shows an example of the frame reinforcement member which concerns on this invention. It is a figure for demonstrating an example of the adhering structure of the frame reinforcement member which concerns on this invention, and a flame | frame. It is a figure for demonstrating another example of the adhering structure of the frame reinforcement member which concerns on this invention, and a flame | frame. It is a figure for demonstrating another example of the adhering structure of the frame reinforcement member which concerns on this invention, and a flame | frame. It is a figure for demonstrating the conventional flame | frame and a jig | tool.

Hereinafter, preferred embodiments of the frame reinforcing member, the frame, and the television device according to the present invention will be described with reference to the drawings. In the following description, the configurations denoted by the same reference numerals in different drawings are the same, and the description thereof may be omitted.
FIG. 1 is an exploded perspective view of an example of a television device according to the present invention, and FIG. 2 is a cross-sectional view of an example of a television device according to the present invention.

  The television device 100 is configured as a liquid crystal television, and includes a frame-shaped middle cabinet 107 which is a side cabinet constituting an exterior, a front cabinet 101 on the front side, and a rear cabinet 108 on the rear side. Inside the exterior, a liquid crystal panel 102, an optical sheet group 103, a light guide plate 104, a middle chassis 105, and a backlight chassis 106 are arranged from the front.

  Here, the middle cabinet 107 corresponds to the frame of the present invention. As will be described later, a notch is provided in a predetermined portion of a metal workpiece, and the portion provided with the notch is bent to form a frame shape. Is. A frame reinforcing member 20 described later is fixed to a bent portion (corner portion) of the middle cabinet 107 (hereinafter also referred to as a frame). The backlight chassis 106 is obtained by processing a metal plate into a predetermined shape, and a light source (for example, LED edge light), a video drive circuit, a battery, and the like (not shown) are arranged. In this embodiment, the backlight chassis 106 is provided with screw bosses 109, and the backlight chassis 106 and the middle cabinet 107 are fixed to the rear cabinet by screws 110 from the rear cabinet 108. .

  The light guide plate 104 is for guiding light from a light source attached to the backlight chassis 106 to the optical sheet group 103. The light guide plate 104 and the optical sheet group 103 transmit light from the light source to the liquid crystal panel 102. The back is illuminated uniformly. The liquid crystal panel 102 displays an image by increasing or decreasing the light transmittance according to a signal from a video drive circuit attached to the backlight chassis 106.

(First embodiment)
Next, the frame of the present invention and its frame reinforcing member will be described.
FIG. 3 is a view for explaining an example of the frame material and the bent portion of the frame according to the present invention. 3, FIG. 3A shows a frame material before bending, FIG. 3B shows a cross-sectional view of the frame material, and FIG. 3C shows a frame material after bending. In the present embodiment, the frame member 10 is a long member having an L-shaped cross section made of extruded aluminum or stainless steel having a substantially L-shaped cross section, and ribs are provided outwardly on one side of the L-shaped cross section. 16 is formed. The rib 16 becomes a frame-like protrusion when the frame material 10 is bent, and is used for positioning the rear cabinet 108 therein. The frame material 10 may not have a rib.

  On the side where the rib 16 of the frame material 10 is provided, a bending hole portion 11 and a V-shaped cut portion 12 connected to the bending hole portion 11 are provided at a bending position. Here, the two sides 13 and 14 of the frame material 10 formed by the V-shaped cut portion 12 are formed so as to form an angle of approximately 45 degrees with respect to the longitudinal direction of the frame material 10. Therefore, the angle formed by the two sides 13 and 14 of the V-shaped cut portion 12 is approximately 90 degrees. Further, on both sides of the V-shaped cut portion 12, fixing holes 15 for fixing a frame reinforcing member to be described later are provided.

  The frame material 10 is bent until the two sides 13 and 14 formed by the V-shaped cut portion 12 face each other. Since the frame material 10 is provided with the bending hole portion 11 and the V-shaped cut portion 12, the thin portion 17 on one side where the rib of the frame material 10 is not provided can be bent with a predetermined curvature. It has become. The frame material 10 is cut to a length corresponding to the size of the television device 100, and the bent portions A are formed at the four corners as described above to form a frame-shaped frame (middle cabinet 107). Here, the portions where the two sides 13 and 14 of the frame material 10 generated by the bending process are opposed to each other are in close contact with each other in order to facilitate the processing accuracy and bending of the V-shaped cut portion 12. Is difficult and a gap B is generated. In the present specification, the term “opposite” is used to include a state where the two sides 13 and 14 of the frame material 10 are in close contact with each other, that is, a state where they are in contact with each other. Accordingly, a case where a gap portion is partially generated by partially abutting at the opposite portion is also included.

  As shown in FIG. 2, when the backlight chassis 106 is assembled in the middle cabinet 107, light from the light source provided in the backlight chassis 106 leaks to the outside through the gap of the bent portion A. For this reason, in this embodiment, a frame reinforcing member that also serves as a light shielding member is provided in the bent portion of the middle cabinet 107. FIG. 4 is a view showing an example of a frame reinforcing member according to the present invention, and FIG. 5 is a view for explaining an example of a fixing structure between the frame reinforcing member and the frame according to the present invention. 5A is a view of the frame as viewed from the back, and FIG. 5B is a cross-sectional view taken along the line XX of FIG. 5A.

  As shown in FIG. 4, the frame reinforcing member 20 is configured by a substantially L-shaped plate-shaped member made of a resin material such as plastic, and is attached to the frame material 10 on each side of the L-shaped. Hooks 21 are respectively provided at positions corresponding to the holes 15. The hook 21 has a split pin shape with a hook-like tip, and is fixed to the frame material 10 by being inserted into the fixing hole 15 from the opposite side of the frame material 10 where the rib 16 is provided. The

  When the frame reinforcing member 20 is fixed to the bent portion (corner portion) of the middle cabinet 107, the plate-like central portion covers the gap portion B of the frame material 10 and emits light leaking outside through the gap of the gap portion B. A light shielding part 22 is provided for shielding light. Further, a protrusion 23 that fits into the bending hole 11 provided in the frame material 10 is formed at the L-shaped corner (top) of the frame reinforcing member 20, and the protrusion 23 is formed in the bending hole 11. By fitting, it functions as a light-shielding portion that prevents light leakage from the bending hole portion 11 and fills the bending hole portion 11 to improve the appearance. In the present embodiment, a relief hole 24 through which a screw for fixing the rear cabinet 108 and the backlight chassis 106 passes is formed at the center of each side of the frame reinforcing member. It is not always necessary to provide the cabinet 108 and the backlight chassis 106 at other locations.

  As described above, since the frame reinforcing member 20 is incorporated in the television device 100 in a state of being fixed to the bent portion of the middle cabinet 107, it becomes easy to handle the middle cabinet 107 alone as in the conventional case. Thus, it is possible to save the trouble of removing the frame reinforcing member 20 when it is incorporated into the television apparatus.

(Second Embodiment)
Next, another example of the frame reinforcing member will be described. FIG. 6 is a view for explaining another example of the fixing structure between the frame reinforcing member and the frame according to the present invention, and FIG. 6 (A) is a view of the frame from the back, and FIG. ) Is a YY cross-sectional view of FIG.
A frame reinforcing member 20 ′ shown in FIG. 6 includes a U-shaped clip 25 instead of the hook 21 of the frame reinforcing member 20 shown in FIG. 5, and other configurations are the frame reinforcing members shown in FIGS. The same as the member 20. The U-shaped clip 25 sandwiches the frame material 10 and the projection 26 provided on the inner side of the tip of the clip 25 fits into the fixing hole 15 of the frame material 10, so that the frame reinforcing member 20 is attached to the middle cabinet. 107 is fixed. In addition, you may provide the protrusion 26 provided in the clip 25 in the plate-shaped member side of frame reinforcement member 20 '.

(Third embodiment)
Next, still another example of the frame reinforcing member will be described. FIG. 7 is a view for explaining still another example of the fixing structure between the frame reinforcing member and the frame according to the present invention.
The frame reinforcing member 20 '' shown in FIG. 7 is opposed to the fixing holes 15 provided on both sides of the V-shaped cut portion 12 of the frame material 10 instead of the hook 21 of the frame reinforcing member 20 shown in FIG. The fixing hole 27 is provided at the position, and other configurations are the same as those of the frame reinforcing member 20 shown in FIGS. The frame reinforcing member 20 is fixed to the middle cabinet 107 by fixing the fixing hole 15 of the frame member 10 and the fixing hole 26 of the frame reinforcing member by the push rivet 30.

DESCRIPTION OF SYMBOLS 10 ... Frame material, 11 ... Bending hole part, 12 ... V-shaped cut part, 13, 14 ... Side, 15 ... Fixing hole, 16 ... Rib, 17 ... Thin part, 20 ... Frame reinforcement member, 21 ... Hook , 22 ... light-shielding part, 23 ... projection, 24 ... escape hole, 25 ... clip, 26 ... projection, 27 ... fixing hole, 30 ... push rivet, 100 ... television apparatus, 101 ... front cabinet, 102 ... liquid crystal panel, 103 DESCRIPTION OF SYMBOLS ... Optical sheet, 104 ... Light guide plate, 105 ... Middle chassis, 107 ... Middle cabinet (frame), 108 ... Rear cabinet, 109 ... Screw boss, 110 ... Screw, 200 ... Frame, 201 ... Jig, 202 ... Hole .

Claims (7)

  A frame reinforcing member used for a frame formed by bending a metal frame material, wherein the frame has a V-shaped connection to a bending hole portion and a bending hole portion at a bending position of the frame material. A cut portion is provided and bent until the two sides formed in the frame material are opposed to each other by the V-shaped cut portion, and the frame reinforcing member is attached to the frame on both sides of the V-shaped cut portion. A frame reinforcing member comprising: a fixing portion to be fixed; and a light shielding portion for shielding light from a gap portion facing the two sides.   The frame reinforcing member according to claim 1, wherein the frame reinforcing member further includes a light shielding portion that shields the bent hole portion provided in the frame material.   The frame reinforcing member according to claim 1, wherein the fixing portion of the frame reinforcing member is a hook that fits into fixing holes provided on both sides of the V-shaped cut portion of the frame material.   The fixing portion of the frame reinforcing member is a clip having protrusions that sandwich the frame material and fit into fixing holes provided on both sides of the V-shaped cut portion of the frame material. Or the frame reinforcement member of 2.   The fixing portion of the frame reinforcing member is a fixing hole facing the fixing holes provided on both sides of the V-shaped cut portion of the frame material, and the fixing hole of the frame material and the frame reinforcing member The frame reinforcing member according to claim 1 or 2, wherein the fixing hole is fixed by a push rivet.   A frame formed by bending a metal frame material, wherein the frame is provided with a bending hole portion and a V-shaped cut portion connected to the bending hole portion at a bending position of the frame material; The V-shaped cut part is bent until two sides formed on the frame material face each other, and the bent part is fixed to the frame on both sides of the V-shaped cut part. And a frame reinforcing member having a light-shielding portion that shields the gap portion where the two sides face each other.   A television apparatus comprising the frame according to claim 6.

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