Planar display backboard structure

Abstract

The utility model relates to a planar display backboard structure which is characterized in that the planar display backboard structure comprises a planar metal backboard, a plurality of concave reinforcing ribs are arranged on the metal backboard, the reinforcing ribs comprise a U-shaped outer reinforcing rib located on the periphery and an annular reinforcing rib arranged on the inner side of the U-shaped outer reinforcing rib, and the groove depths of the concave reinforcing ribs are the same; the upper part of the metal back plate is provided with a stud used for externally arranging a locking screw, a first end of the stud is provided with a hole, the hole is provided with an internal thread, a second end of the stud is provided with a sealing sheet which is larger than the diameter of the stud, the periphery of the sealing sheet is provided with sawteeth, and the sealing sheet is fixedly riveted in a sinking groove of the sinking groove hole in the upper part of the metal back plate; the sinking groove of the sinking groove hole is arranged on one side of the inner side face of the metal back plate, and the concave reinforcing rib is arranged on the inner side face of the metal back plate. The planar display backboard is reasonable in structural design, and firm riveting of the studs and the metal backboard is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of flat display backboard structure. BACKGROUND

[0002] Flat liquid crystal display is more and more produced and used, but the position and shape of the reinforcing rib of the backboard are unreasonable, which causes the backboard to be easily deformed.

[0003] In addition, a stud is installed on the upper part of the backboard, which is used for the rear plastic shell of the liquid crystal curved screen to be fixed by screwing with the stud through screws. Currently, in order to install the stud, welding, riveting or bolt fixing is usually used. Welding or bolt fixing requires more machining processes and has low production efficiency. Therefore, riveting fixing is the first choice. However, the riveting surface of the stud and the metal backboard is located on the outer side of the backboard, which easily causes the problem of insecure riveting.

[0004] Currently, the Chinese patent "Backlight module structure for improving optical performance by using backboard" with the announcement number CN201739967U is retrieved. The backlight module structure includes a first side of a backboard for installing a backlight module, which is designed as a plane. The second side of the backboard relative to the first side is provided with a reinforcing assembly. The patent can further reduce the thickness of the entire backboard, and thus a thinner liquid crystal display can be manufactured. However, the patent cannot solve the problem of insecure riveting of the stud and the metal backboard. SUMMARY

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a flat display backboard structure. The flat display backboard structure is reasonably designed, which is beneficial to realize the secure riveting of the stud and the metal backboard.

[0006] The utility model adopts the following scheme to realize,

[0007] The utility model discloses a flat display backboard structure, characterized by comprising a flat metal backboard, a plurality of recessed reinforcing ribs are provided on the metal backboard, the reinforcing rib comprises a U-shaped outer reinforcing rib located on the periphery and a ring-shaped reinforcing rib provided on the inner side of the U-shaped outer reinforcing rib, and the groove depths of the plurality of recessed reinforcing ribs are the same. The upper part of the metal backboard is provided with a stud for locking screws of external components. The first end of the stud is provided with a hole and an internal thread on the hole. The second end of the stud is provided with a closure piece larger than the diameter of the stud. The outer periphery of the closure piece is provided with a sawtooth. The closure piece is riveted in the sink of the sink hole on the upper part of the metal backboard. The sink of the sink hole is provided on one side of the inner side surface of the metal backboard. The recessed reinforcing rib is provided on the inner side surface of the metal backboard.

[0008] Preferably, the recessed height of the reinforcing rib is 3-7 mm.

[0009] Preferably, the thickness of the metal back plate is 5-6mm.

[0010] Preferably, the U-shaped outer reinforcing rib has an outwardly expanded elbow part with further enhanced strength near the upper end edge of the metal back plate.

[0011] Preferably, the annular reinforcing rib is in the shape of a rectangular ring and has two spacer strips between the two long edges.

[0012] Preferably, the first end of the stud protrudes from the outer side surface of the metal back plate.

[0013] Preferably, the opening of the first end of the stud has a stepped ring around the outer periphery.

[0014] The plane display back plate structure of the present application has multiple recessed reinforcing ribs on the metal back plate, and the reinforcing ribs include U-shaped outer reinforcing ribs on the periphery and annular reinforcing ribs inside the U-shaped outer reinforcing ribs, and the multiple recessed reinforcing ribs have the same groove depth, thereby enhancing the strength of the plane display back plate, and the stud is passed through the sink hole on the upper part of the metal back plate from the inner side surface to the outer side surface, and the closure piece is riveted in the sink of the sink hole, thereby improving the stability and firmness of the riveting of the stud. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present application will be further described below in conjunction with the drawings.

[0016] Figure 1 is a perspective view of the metal back plate from one angle;

[0017] Figure 2 is a perspective view of the metal back plate from another angle;

[0018] Figure 3 is a sectional view of the connection between the metal back plate and the stud. DETAILED DESCRIPTION

[0019] The present application will be further described below in conjunction with the drawings and specific embodiments.

[0020] The plane display back plate structure of the present application includes a plane metal back plate 1, the metal back plate has multiple recessed reinforcing ribs 2, the reinforcing ribs 2 include U-shaped outer reinforcing ribs 201 on the periphery and annular reinforcing ribs 202 inside the U-shaped outer reinforcing ribs, and the multiple recessed reinforcing ribs have the same groove depth.

[0021] The plane display back plate structure of the present application has multiple recessed reinforcing ribs on the metal back plate, and the reinforcing ribs include U-shaped outer reinforcing ribs on the periphery and annular reinforcing ribs inside the U-shaped outer reinforcing ribs, and the multiple recessed reinforcing ribs have the same groove depth, thereby enhancing the strength of the plane display back plate.

[0022] The upper part of the metal back plate is provided with a stud 3 for locking screws of external devices, the first end of the stud 3 is bored and provided with internal threads 301 on the bore, the second end of the stud is provided with a closing piece 302 larger than the diameter of the stud, the outer periphery of the closing piece is provided with sawteeth 303, the closing piece 302 is riveted in the sink 101 of the sink hole of the upper part of the metal back plate, the sink of the sink hole is provided on the inner side surface 102 of the metal back plate, that is, the first end of the stud 3 passes from the inner side surface 102 to the outer side surface 103 of the metal back plate, the recessed reinforcing rib is provided on the inner side surface of the metal back plate.

[0023] Since the stud passes through the sink hole of the upper part of the metal back plate from the inner side surface to the outer side surface, and the closing piece is riveted in the sink of the sink hole, the stability and firmness of the riveting of the stud are improved.

[0024] Specifically, the recessed height of the reinforcing rib is 3-7 mm, and the thickness of the metal back plate is 5-6 mm.

[0025] In order to further improve the strength, the U-shaped outer reinforcing rib has a further outwardly expanded elbow portion 203 near the upper end edge of the metal back plate, which has more extension length, thereby further improving the strength of the plate body.

[0026] Specifically, the annular reinforcing rib is in the shape of a rectangular ring, and two spacer bars 204 are provided between the two long edges thereof, since the annular reinforcing rib is in the shape of a rectangular ring, and two spacer bars 204 are provided between the two long edges thereof, the strength of the plate body can be improved.

[0027] The design of the above structure can realize that a 5 mm thick plate body has the strength of an existing 6-7 mm thick plate body, thereby saving materials and reducing costs.

[0028] Specifically, the first end of the stud protrudes from the outer side surface 103 of the metal back plate; the outer periphery of the bore of the first end of the stud is provided with a stepped ring 304, since the first end of the stud protrudes from the outer side surface 103 of the metal back plate, the length of the thread connected with the screw (the screw passes through the plastic shell located on the back side of the outer side surface of the back plate and is connected with the internal threads in the stud) can be increased, thereby improving the connection strength; the stepped ring 304 also increases the length of the thread connection, thereby improving the connection strength.

[0029] The utility model discloses a plane display backboard structure has many recessed reinforcing ribs on metal backboard, and reinforcing rib includes the U-shaped outer reinforcing rib of being located in the periphery and the annular reinforcing rib of being arranged in the inside of U-shaped outer reinforcing rib, and the groove depth of many recessed reinforcing ribs is same, thereby can strengthen the strength of plane display backboard, and because the stud is from the inside surface through the sink hole of metal backboard upper portion to the outside surface, and makes the closure piece riveted in the sink of sink hole, thereby is favorable to improve the stability and firmness of the riveting of stud.

[0030] Finally, it should be noted that: the above examples are used to illustrate the technical scheme of the utility model, but not limited to it; although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: still can modify the specific implementation of the utility model or make equivalent replacement to part of the technical features; without departing from the spirit of the technical scheme of the utility model, it should be covered in the technical scheme range of the utility model claimed to be protected.

Claims

1. A planar display back panel structure, characterized in that: The device includes a planar metal back plate with multiple recessed reinforcing ribs. The reinforcing ribs include a U-shaped outer reinforcing rib located on the periphery and an annular reinforcing rib located inside the U-shaped outer reinforcing rib. The grooves of the multiple recessed reinforcing ribs have the same depth. The upper part of the metal back plate is provided with a stud for locking screws of external components. The first end of the stud has an opening with internal threads. The second end of the stud has a closing plate with a diameter larger than that of the stud. The outer periphery of the closing plate has serrations. The closing plate is riveted into a countersunk hole in the upper part of the metal back plate. The countersunk hole is located on one side of the inner surface of the metal back plate. The recessed reinforcing ribs are located on the inner surface of the metal back plate.

2. The planar display back panel structure according to claim 1, characterized in that: The height of the recess in the reinforcing rib is 3-7mm.

3. The planar display back panel structure according to claim 2, characterized in that: The thickness of the metal back plate is 5-6 mm.

4. The planar display back panel structure according to claim 3, characterized in that: The U-shaped outer reinforcing rib has an outwardly expanding bend near the upper edge of the metal back plate to further enhance its strength.

5. The planar display back panel structure according to claim 4, characterized in that: The annular reinforcing rib is rectangular in shape, and two reinforcing bars are provided between its two long sides.

6. The planar display back panel structure according to claim 5, characterized in that: The first end of the stud protrudes from the outer side of the metal backing plate.

7. The planar display back panel structure according to claim 6, characterized in that: A stepped ring is provided around the opening at the first end of the stud.

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