CN210155485U - Diffuser plate support frame - Google Patents
Diffuser plate support frame Download PDFInfo
- Publication number
- CN210155485U CN210155485U CN201920995776.XU CN201920995776U CN210155485U CN 210155485 U CN210155485 U CN 210155485U CN 201920995776 U CN201920995776 U CN 201920995776U CN 210155485 U CN210155485 U CN 210155485U
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- China
- Prior art keywords
- supporting
- diffuser plate
- plate support
- support frame
- supporting part
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- Expired - Fee Related
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 26
- 238000009792 diffusion process Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Landscapes
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a diffuser plate support frame is provided with brace table, support piece, enhancement external member and locking external member. The hemispherical bulges arranged on the supporting parts increase the contact area between the diffusion plate and the supporting frame, thereby preventing the contact part between the supporting frame and the diffusion plate from generating stress concentration and further preventing the diffusion plate from being damaged by the part of the supporting frame supporting the diffusion plate; secondly, the reinforcing ribs arranged on the supporting area enhance the mechanical strength of the diffusion plate supporting frame, so that the diffusion plate supporting frame is prevented from bending due to long-term bearing of the weight of the diffusion plate; furthermore, the locking screws penetrating through the position avoiding holes enable the supporting platform to be tightly attached to the backlight module, so that the fit clearance between the supporting frame and the backlight module is reduced, and the light leakage phenomenon caused by overlarge fit clearance is prevented; in addition, compared with the mode of fastening the diffuser plate support frame to the backlight module, the diffuser plate support frame is fixed by the locking screws, so that the diffuser plate support frame can be more quickly disassembled and assembled.
Description
Technical Field
The utility model relates to a support frame technical field especially relates to a diffuser plate support frame.
Background
A liquid crystal television is a flat ultrathin display device, which consists of a certain number of color or black and white pixels and is placed in front of a light source or a reflecting surface. The lcd television is very low in power consumption, and is therefore popular with engineers and suitable for electronic devices using a battery. The main principle is that the current stimulates the liquid crystal molecules to generate points, lines and surfaces which are matched with the back lamp tube to form a picture. The backlight module is one of the key components of the liquid crystal panel, and is used for supplying sufficient light sources with uniform brightness and distribution, so that the backlight module can normally display images. The diffuser plate is commonly used in backlight modules because of its good mechanical strength, heat resistance, dimensional stability, flame resistance, high light transmittance, excellent shielding properties and durability. The backlight module is often provided with a diffuser support frame for preventing the deformation of the diffuser under natural gravity to cause poor image quality of the module.
However, the conventional diffuser plate supporting frame has a problem that stress concentration occurs at the contact part of the supporting frame, i.e., the contact part of the supporting frame and the diffuser plate, because the supporting part is not smooth enough, and the diffuser plate is easily damaged at the part of the supporting frame supporting the diffuser plate in the process of the supporting frame holding the diffuser plate for a long time, thereby affecting the image quality of the television; in addition, the existing diffusion plate support frame is generally low in mechanical strength and is easy to bend and the like to deform irreversibly, so that part of the diffusion plate support frame cannot effectively support the diffusion plate, and further part of the diffusion plate can deform under natural gravity, and finally the picture quality of the backlight module is poor; in addition, in order to improve the installation efficiency, the existing diffusion plate support frame is generally connected with the backlight module by a buckle, but the buckle is easy to deform in long-term use, so that a larger fit clearance exists between the support frame and the module, namely, the light leakage phenomenon is easy to cause negative influence on the picture quality; simultaneously, when needs overhauld backlight unit, the mode of buckle connection still can lead to the maintenance personal to be difficult to dismantle the diffuser plate support frame fast.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, provide one kind and can prevent that stress concentration from in diffuser plate and support frame contact site, mechanical strength is higher difficult for taking place to bend, and the backlight unit within a definite time fit clearance is less, and the convenient diffuser plate support frame of dismantling and installing.
The purpose of the utility model is realized through the following technical scheme:
a diffuser plate support frame comprising:
the supporting platform is provided with a supporting area, the supporting area is provided with a position avoiding hole, and the side surface of the supporting platform, which is far away from the supporting area, is provided with a positioning groove;
the supporting part comprises a propping part, a supporting part and a supporting part, the propping part is arranged on the supporting area, a propping oblique strip is arranged on the propping part, the supporting part is arranged on the supporting area, a supporting oblique strip is arranged on the supporting part, the propping part and the supporting part are connected to form the supporting part, the supporting part is arranged at the intersection position of the propping oblique strip and the supporting oblique strip, a hemispherical bulge is arranged on the supporting part, and the hemispherical bulge is used for propping against the diffusion plate;
the reinforcing sleeve comprises a plurality of reinforcing ribs, each reinforcing rib is arranged on the supporting area, each reinforcing rib is respectively connected with the supporting part and the supporting part, and the reinforcing ribs are axially symmetrically distributed around the central axis of the supporting part; and
the locking external member, the locking external member includes locking screw and lock spacer, the screw thread portion of locking screw wears to establish in proper order the lock spacer reaches keep away the position hole, just the screw thread portion spiro union of locking screw is in backlight unit.
In one embodiment, the reinforcing rib is provided with an inclined surface, and the distance from the inclined surface to the side of the support table away from the positioning groove gradually decreases in a direction away from the support.
In one embodiment, the supporting platform comprises a connecting portion and an installation portion, the connecting portion is connected with the installation portion, the supporting area is located the connecting portion is far away from the side face of the installation portion, the positioning groove is located the installation portion is far away from the side face of the connecting portion, the connecting portion is provided with a through hole, the installation portion is provided with a through hole, the aperture of the through hole is equal to that of the through hole, and the inner side wall of the through hole is mutually connected with the inner side wall of the through hole.
In one embodiment, a chamfered surface is provided at an edge position of the connecting portion.
In one embodiment, the center axis of the positioning groove and the center axis of the support portion coincide with each other.
In one embodiment, the support platform, the support member and the reinforcement sleeve are integrally formed.
In one embodiment, the diffuser plate support frame further includes a buffering ring body, the buffering ring body is disposed on the support area, and a central axis of the buffering ring body and a central axis of the avoiding hole coincide with each other.
In one embodiment, an angle formed by the central axis of the supporting diagonal strip and the central axis of the supporting diagonal strip is 30 ° to 90 °.
In one embodiment, the reinforcement kit comprises two of the reinforcement bars.
In one embodiment, the detent has a circular cross-section.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model discloses a diffuser plate support frame is provided with brace table, support piece, enhancement external member and locking external member. The hemispherical bulges arranged on the supporting parts increase the contact area between the diffusion plate and the supporting frame, thereby preventing the contact part between the supporting frame and the diffusion plate from generating stress concentration and further preventing the diffusion plate from being damaged by the part of the supporting frame supporting the diffusion plate; secondly, the reinforcing ribs arranged on the supporting area enhance the mechanical strength of the diffusion plate supporting frame, so that the diffusion plate supporting frame is prevented from bending due to long-term bearing of the weight of the diffusion plate; furthermore, the locking screws penetrating through the position avoiding holes enable the supporting platform to be tightly attached to the backlight module, so that the fit clearance between the supporting frame and the backlight module is reduced, and the light leakage phenomenon caused by overlarge fit clearance is prevented; in addition, compared with the mode of fastening the diffuser plate support frame to the backlight module, the diffuser plate support frame is fixed by the locking screws, so that the diffuser plate support frame can be more quickly disassembled and assembled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a diffuser plate support frame according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another angle of the diffuser plate support according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view at a of fig. 1.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a diffuser plate support 10 includes a support base 100, a support member 200, a reinforcement sleeve 300, and a locking sleeve 400.
Thus, it should be noted that the support table 100 plays a role of carrying the support 200; the supporter 200 plays a role of supporting the diffusion plate; the reinforcement sleeve 300 plays a role in improving the mechanical strength of the diffuser plate support frame 10; the locking sleeve 400 functions to fix the diffuser plate holder 10 to the backlight unit.
Referring to fig. 1, fig. 2 and fig. 3, a supporting area 110 is disposed on the supporting platform 100, a clearance hole 111 is disposed on the supporting area 110, and a positioning groove 120 is disposed on a side surface of the supporting platform 100 away from the supporting area 110; the supporting member 200 comprises a top supporting portion 210, a supporting portion 220 and a supporting portion 230, wherein the top supporting portion 210 is arranged on the supporting region 110, a top supporting oblique strip 211 is arranged on the top supporting portion 210, the supporting portion 220 is arranged on the supporting region 110, a supporting oblique strip 221 is arranged on the supporting portion 220, the top supporting portion 210 is connected with the supporting portion 220 to form the supporting member 200, the supporting portion 230 is arranged at the intersection position of the top supporting oblique strip 211 and the supporting oblique strip 221, a hemispherical protrusion 231 is arranged on the supporting portion 230, and the hemispherical protrusion 231 is used for abutting against the diffusion plate; the reinforcing sleeve 300 comprises a plurality of reinforcing ribs 310, each reinforcing rib 310 is arranged on the supporting region 110, each reinforcing rib 310 is connected with the supporting portion 210 and the supporting portion 220, and the reinforcing ribs 310 are axially symmetrically distributed around the central axis of the supporting portion 230; the locking kit 400 includes a locking screw 410 and a locking washer 420, wherein the locking washer 420 and the clearance hole 111 are sequentially inserted through the threaded portion of the locking screw 410, and the threaded portion of the locking screw 410 is screwed to the backlight module.
Thus, it should be noted that, in the practical application process, firstly, the gravity of the diffuser plate is firstly transmitted to the hemispherical protrusion 231 on the supporting portion 230, and the semicircular protrusion 231 expands the contact area between the diffuser plate supporting frame 10 and the diffuser plate, so as to prevent the stress concentration from occurring at the contact portion between the diffuser plate supporting frame 10 and the diffuser plate, and the semicircular protrusion 231 has an arc surface, the prior art generally uses a relatively sharp supporting portion to support the diffuser plate, i.e. a point is used to support a surface, and the arc surface is used to support the diffuser plate, i.e. a surface is used to support the surface, so as to prevent the diffuser plate from being damaged at the portion of the diffuser; subsequently, the gravity of the diffuser plate is further transmitted to the supporting portion 210 and the supporting portion 220 through the hemispherical protrusions 231, and the reinforcing ribs 310 improve the mechanical strength of the supporting portion 210 and the supporting portion 220, thereby preventing the supporting portion 210 and the supporting portion 220 from being bent; finally, the gravity of the diffuser plate is transmitted to the supporting stage 100 through the supporting members 200 and transmitted to the backlight module through the supporting stage 100, and the bottom of the supporting stage 100 enlarges the contact area between the diffuser plate supporting frame 10 and the backlight module, thereby improving the mechanical strength of the diffuser plate supporting frame 10 and preventing the diffuser plate supporting frame 10 from damaging the backlight module and the diffuser plate.
In addition, it should be noted that, when the diffuser plate support frame 10 needs to be installed, the positioning groove 120 may be aligned to the protrusion on the backlight module, and then the locking screw 410 is screwed down to fix the diffuser plate support frame 10, and the positioning groove 120 is opened, which speeds up the efficiency of installing the diffuser plate support frame 10 by workers; when the diffuser plate support frame 10 needs to be disassembled, a worker can disassemble the diffuser plate support frame 10 quickly by loosening the locking screws 410, which is very convenient.
Referring to fig. 1 and 2, the reinforcing rib 310 is provided with an inclined surface 311, and a distance from the inclined surface 311 to a side surface of the supporting platform 100 away from the positioning slot 120 is gradually reduced along a direction away from the supporting member 200.
It should be noted that, the distance from the inclined surface 311 to the side of the supporting platform 100 away from the positioning groove 120 gradually decreases along the direction away from the supporting member 200, that is, the reinforcing rib 310 has a triangular cross section, and according to the stability of the triangle, the mechanical strength of the reinforcing rib 310 itself is also improved to a certain extent, so as to further improve the mechanical strength of the supporting member 200.
Referring to fig. 1 and 2, the supporting platform 100 includes a connecting portion 130 and a mounting portion 140, the connecting portion 130 is connected to the mounting portion 140, the supporting region 110 is located on a side of the connecting portion 130 away from the mounting portion 140, the positioning groove 120 is located on a side of the mounting portion 140 away from the connecting portion 130, the connecting portion 130 is provided with a through hole, a through hole is provided in the mounting portion 140, a hole diameter of the through hole is equal to a hole diameter of the through hole, an inner sidewall of the through hole is connected to an inner sidewall of the through hole, and a chamfered surface 131 is provided at.
As described above, the mounting portion 140 is used to pre-position the mounting position of the diffuser plate support frame 10; the connecting part 130 is used for connecting the mounting part 140 and the supporting part 200; in practical application, when the diffuser plate support frame 10 needs to be installed, the positioning groove 120 on the installation part 140 may be aligned with the protruding part on the backlight module, and the protruding part on the backlight module slides into the positioning groove 120, so that the pre-positioning of the diffuser plate support frame 10 is realized, and the installation efficiency of workers is accelerated; the chamfered surface 131 of the connection portion 130 may prevent a worker from being scratched by an acute angle during the process of installing the diffuser plate support frame 10.
Referring to fig. 1 and 2, the central axis of the positioning slot 120 and the central axis of the supporting portion 230 coincide with each other.
In this way, in practical applications, if the central axis of the positioning groove 120 and the central axis of the supporting portion 230 are not aligned, a local stress concentration phenomenon is easily generated at an edge position of the protruding portion on the backlight module, and the protruding portion or the supporting table 100 is damaged.
Referring to fig. 1 and 2, the support table 100, the support member 200 and the reinforcement assembly 300 are integrally formed.
In this way, it should be noted that the integral structure improves the mechanical strength of the diffuser plate support frame 10 as a whole.
Referring to fig. 1 and 2, the diffuser plate support frame 10 further includes a buffering ring 500, the buffering ring 500 is disposed on the support area 110, and a central axis of the buffering ring 500 coincides with a central axis of the avoiding hole 111.
Thus, it should be noted that the damping ring 500 is used to prevent the worker from damaging the supporting platform 100 when tightening the locking screws 410.
Referring to fig. 1 and 2, an angle formed by the central axis of the supporting slanted bar 211 and the central axis of the supporting slanted bar 221 is 30 to 90 °.
As described above, the angle formed by the central axis of the holding diagonal bar 211 and the central axis of the holding diagonal bar 221 is 30 ° to 90 °, that is, the angle formed by the extending direction of the holding diagonal bar 211 and the extending direction of the holding diagonal bar 221 is 30 ° to 90 °.
Referring to fig. 1 and 2, the reinforcement assembly 400 includes two reinforcing ribs 310.
In this way, it should be noted that the number of the reinforcing ribs 310 is an even number different from zero, so that the reinforcing ribs 310 are axially symmetrically distributed on the central axis of the support portion 230.
Referring to fig. 1 and 2, the positioning groove 120 has a circular cross section.
Therefore, it should be noted that the protruding portion of the backlight module, which is matched with the positioning groove 120, also has a circular cross section, so as to ensure that the positioning groove 120 and the protruding portion can be in close contact, thereby preventing an excessive clearance fit between the diffuser plate support 10 and the backlight module.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model discloses a be applied to button structure of LCD TV is provided with casing external member, strengthening rib group, button external member and protective sheath spare. The arrangement of the reinforcing rib group improves the overall mechanical strength of the key structure, not only can prevent the key structure from generating irreversible deformation in the long-term use process, but also can prolong the service life of the key structure; the arrangement of the protective convex particles can prevent the key structure from being extruded or collided by packing materials in the transportation process, and further prevent the key structure of the liquid crystal display television from being damaged in the transportation process; the heat dissipation area is enclosed by the elastic reset piece and the inner wall of the avoiding hole together, so that heat transmitted to the position of the key in the liquid crystal display television can be dissipated to the outside through the heat dissipation area, and the key is prevented from being out of work due to overheating.
The above embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A diffuser plate support frame, comprising:
the supporting platform is provided with a supporting area, the supporting area is provided with a position avoiding hole, and the side surface of the supporting platform, which is far away from the supporting area, is provided with a positioning groove;
the supporting part comprises a propping part, a supporting part and a supporting part, the propping part is arranged on the supporting area, a propping oblique strip is arranged on the propping part, the supporting part is arranged on the supporting area, a supporting oblique strip is arranged on the supporting part, the propping part and the supporting part are connected to form the supporting part, the supporting part is arranged at the intersection position of the propping oblique strip and the supporting oblique strip, a hemispherical bulge is arranged on the supporting part, and the hemispherical bulge is used for propping against the diffusion plate;
the reinforcing sleeve comprises a plurality of reinforcing ribs, each reinforcing rib is arranged on the supporting area, each reinforcing rib is respectively connected with the supporting part and the supporting part, and the reinforcing ribs are axially symmetrically distributed around the central axis of the supporting part; and
the locking external member, the locking external member includes locking screw and lock spacer, the screw thread portion of locking screw wears to establish in proper order the lock spacer reaches keep away the position hole, just the screw thread portion spiro union of locking screw is in backlight unit.
2. The diffuser plate support bracket of claim 1 wherein the reinforcement ribs are provided with inclined surfaces that taper away from the support platform in a direction away from the support member.
3. The diffuser plate support frame of claim 1, wherein the support platform includes a connection portion and an installation portion, the connection portion is connected to the installation portion, the support area is located the connection portion is away from on the side of the installation portion, the positioning groove is located the installation portion is away from on the side of the connection portion, the connection portion has been seted up a through-hole, the installation portion has been seted up a via hole, the aperture of the through-hole with the aperture of the via hole equals, just the inside wall of the through-hole with the inside wall of the via hole interconnects.
4. The diffuser plate support bracket of claim 3 wherein a chamfered surface is provided at an edge location of the attachment portion.
5. The diffuser plate support bracket of claim 1 wherein the center axis of the retaining groove and the center axis of the support portion are coincident with each other.
6. The diffuser plate support bracket of claim 1 wherein the support platform, the support member and the reinforcement sleeve are integrally formed.
7. The diffuser plate support bracket of claim 1 further comprising a cushion ring disposed on the support area, wherein a central axis of the cushion ring and a central axis of the clearance hole coincide with each other.
8. The diffuser plate support bracket of claim 1 wherein the angle formed by the central axis of the supporting slanted bar and the central axis of the supporting slanted bar is between 30 ° and 90 °.
9. The diffuser plate support bracket of claim 1 wherein said reinforcement sleeve includes two of said reinforcement ribs.
10. The diffuser plate support bracket of claim 1 wherein the detents have a circular cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995776.XU CN210155485U (en) | 2019-06-28 | 2019-06-28 | Diffuser plate support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995776.XU CN210155485U (en) | 2019-06-28 | 2019-06-28 | Diffuser plate support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210155485U true CN210155485U (en) | 2020-03-17 |
Family
ID=69764694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920995776.XU Expired - Fee Related CN210155485U (en) | 2019-06-28 | 2019-06-28 | Diffuser plate support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210155485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203036A (en) * | 2021-11-30 | 2022-03-18 | 长沙惠科光电有限公司 | Backlight module and display device |
-
2019
- 2019-06-28 CN CN201920995776.XU patent/CN210155485U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203036A (en) * | 2021-11-30 | 2022-03-18 | 长沙惠科光电有限公司 | Backlight module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |