CN212113086U - Wide-narrow viewing angle switching liquid crystal display screen - Google Patents
Wide-narrow viewing angle switching liquid crystal display screen Download PDFInfo
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- CN212113086U CN212113086U CN202020620267.1U CN202020620267U CN212113086U CN 212113086 U CN212113086 U CN 212113086U CN 202020620267 U CN202020620267 U CN 202020620267U CN 212113086 U CN212113086 U CN 212113086U
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 53
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 230000000007 visual effect Effects 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003570 air Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000003384 imaging method 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
- 230000010287 polarization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of liquid crystal display screens, and discloses a wide and narrow visual angle switching liquid crystal display screen, a wind blade is fixedly arranged on the excircle wall surface of a rotating shaft, a heat dissipation hole is arranged on the back wall surface of a display screen shell, a dust-isolating net is fixedly arranged inside the heat dissipation hole, a rotary positioning bolt movably installs the display screen shell and the dust-isolating plate together, the dust-isolating plate is a U-shaped plate, thereby preventing dust from falling on the display screen from the top, a motor drives the rotating shaft to rotate, the motor drives the wind blade to rotate, the wind blade rotates to drive air to flow, when the wind blade rotates, the internal hot air can flow to the outside of the display screen shell through an air outlet hole and the heat dissipation hole, thereby achieving the heat dissipation effect, a dust-proof groove arranged on a dust-proof block is in a Z-shaped structure, thereby preventing external dust from entering the inside of the display screen shell through the air outlet hole, the dust, thereby clearing up the dust in the dustproof groove and avoiding influencing the heat dissipation effect.
Description
Technical Field
The utility model relates to a liquid crystal display technical field specifically is wide narrow visual angle switching liquid crystal display.
Background
The liquid crystal display screen is a kind of flat panel display, is used for the screen display of the television and computer, the advantage of this display screen is that low, small, low radiation of power consumption, the liquid crystal display screen has used the liquid crystal solution in two pieces of polarization materials, make the electric current pass through this liquid crystal and can make the crystal rearrange and achieve the goal of imaging, and the situation that can produce heat after long-time use of general liquid crystal display screen, and long-time producing heat can lead to the display screen internal plant to age, usually let the radiating method of the liquid crystal display screen be to use the fan to blow to the liquid crystal display screen to accelerate the ambient air flow and play the radiating effect outside, but this method can have the problem that the heat dissipation is insufficient and lead to the internal plant to age, need to switch over the liquid crystal display screen for this reason.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a wide narrow visual angle switches liquid crystal display possesses the heat dissipation abundant, and the dust removal advantage such as convenient has solved the problem that general liquid crystal display heat dissipation is not abundant to lead to the internal plant ageing.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the wide and narrow visual angle switching liquid crystal display screen comprises a display screen shell, wherein the display screen shell is of a rectangular hollow structure, limiting holes are formed in the positions, close to the upper end, of the front side wall surface and the rear side wall surface of the display screen shell, the limiting holes are circular threaded holes, a dust isolating plate is arranged at the top of the display screen shell, the dust isolating plate is of a U-shaped structure, fixing holes are formed in the front side wall surface and the rear side wall surface of the dust isolating plate, positioning bolts are arranged in the fixing holes, air outlet holes are formed in the front side wall surface and the rear side wall surface of the display screen shell, square grooves are formed in the positions, close to the front side surface and the rear side wall surface, of the display screen shell, square grooves are rectangular grooves, dust removing blocks are movably arranged in the square grooves, the dust removing blocks are of a rectangular structure, dust preventing grooves are formed in the rear wall surfaces of the dust removing blocks, limiting blocks are, the outer circle wall surface of the rotating shaft is fixedly provided with a wind sheet which is of an arc-shaped structure, and the left wall surface of the display screen shell is provided with a heat dissipation hole.
Preferably, the fixing hole is a circular threaded hole, and the position of the fixing hole corresponds to the position of the limiting hole.
Preferably, the air outlet is a rectangular through hole and is positioned at the lower side of the limiting hole.
Preferably, the heat dissipation holes are circular through holes, and dust separation nets are fixedly mounted inside the heat dissipation holes.
Preferably, the positioning bolt is of a cylindrical structure, extends into the limiting hole and is in threaded connection with the limiting hole.
Preferably, the dustproof groove is a Z-shaped through hole, and the position of the dustproof groove corresponds to the position of the air outlet.
(III) advantageous effects
Compared with the prior art, the utility model provides a liquid crystal display switches at wide and narrow visual angle possesses following beneficial effect:
1. this liquid crystal display switches in wide and narrow visual angle, through the rotational positioning bolt, the locating bolt is in the same place display screen shell and dust removal board movable mounting, the dust removal board is the U-shaped board, thereby prevent that the dust from floating on the display screen from the top, the motor drives the pivot and rotates, the motor rotates and drives the wind piece and rotate, the wind piece rotates and drives the air flow, the wind piece can increase and inside air area of contact in limited space for the arc structure, the wind piece is when rotating, inside steam accessible exhaust vent and louvre flow to the display screen shell outside, thereby improve radiating effect.
2. This liquid crystal display switches in wide and narrow visual angle, through the dust groove of seting up on the dust removal piece, the dust groove is Z shape structure, can deposit in the dust groove behind the exhaust vent to prevent that outside dust from getting into the inside equipment that leads to of display shell through the exhaust vent and damaging.
3. This liquid crystal display switches over at wide and narrow visual angle breaks away from the display screen shell through the rotational positioning bolt and takes off the dust removal piece, upwards takes out from to be convenient for clear up the dust in the dust-proof slot on the dust removal piece, has avoided the too much influence radiating effect of deposition in the dust-proof slot.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic perspective view of a display screen housing according to the present invention;
FIG. 3 is a partial schematic view of A in FIG. 2;
FIG. 4 is a schematic perspective view of a dust-removing block of the present invention;
fig. 5 is a schematic perspective view of the dust-proof slot in the structure of the present invention.
In the figure: the dust removal device comprises a display screen shell 1, a dust separation plate 2, fixing holes 3, positioning bolts 4, limiting holes 5, air outlet holes 6, a motor 7, a rotating shaft 8, air blades 9, heat dissipation holes 10, a dust separation net 11, a square groove 12, a dust removal block 13, a limiting block 14 and a dust prevention groove 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model relates to a wide and narrow viewing angle switching liquid crystal display, comprising a display shell 1, wherein the display shell 1 is a rectangular hollow structure, the front and back side wall surfaces of the display shell 1 are provided with a limiting hole 5 near the upper end, the limiting hole 5 is a circular threaded hole, the top of the display shell 1 is provided with a dust-separating plate 2, the dust-separating plate 2 is a U-shaped structure, the front and back side wall surfaces of the dust-separating plate 2 are provided with a fixing hole 3, the fixing hole 3 is a circular threaded hole, the position of the fixing hole 3 corresponds to the position of the limiting hole 5, the inside of the fixing hole 3 is provided with a positioning bolt 4, the positioning bolt 4 is a cylindrical structure, the positioning bolt 4 extends to the inside of the limiting hole 5 and is in threaded connection with the limiting hole 5, the front and back side wall surfaces of the display shell 1 are provided with an air outlet 6, the air outlet 6 is a rectangular through hole, the, square groove 12 has been seted up to both sides position around being close to at the top of display screen shell 1, square groove 12 is the rectangular channel, the inside movable mounting of square groove 12 has dust removal piece 13, dust removal piece 13 is the rectangle structure, dust-proof groove 15 has been seted up to the back wall of dust removal piece 13, dust-proof groove 15 is the Z shape through-hole, dust-proof groove 15's position is corresponding with the position of exhaust vent 6, dust removal piece 13's last wall fixed mounting has stopper 14, wall fixed mounting has motor 7 under the inside of display screen shell 1, motor 7 has two, the top fixed mounting of the axle of motor 7 has pivot 8, fixed mounting has wind piece 9 on the excircle wall of pivot 8, wind piece 9 is the arc structure, louvre 10 has been seted up to the left wall of display screen shell 1, louvre 10 is circular through-hole, the inside fixed mounting of louvre 10 has dust removal net 11.
When the display screen is used, the positioning bolt 4 is rotated, the display screen shell 1 and the dust separation plate 2 are movably installed together by the positioning bolt 4, the dust separation plate 2 is a U-shaped plate, so that dust is prevented from falling on the display screen from the top, the motor 7 drives the rotating shaft 8 to rotate, the motor 8 drives the wind sheet 9 to rotate, the wind sheet 9 drives the air to flow, the wind sheet 9 is of an arc structure, the contact area of the wind sheet 9 and the internal air can be increased in a limited space, when the wind sheet 9 rotates, the internal hot air can flow to the outside of the display screen shell 1 through the air outlet 6 and the heat dissipation holes 10, so that the heat dissipation effect is improved, the dust can be deposited in the dust prevention groove 15 after passing through the air outlet, the dust prevention groove 15 is of a Z-shaped structure, so that the damage of temporal internal equipment caused by the fact that the external dust directly enters the inside of the display screen shell through the air outlet is prevented, the positioning bolt 4 is separated, therefore, dust in the dust-proof groove 15 on the dust removal block can be cleaned conveniently, and the influence of excessive dust accumulation in the dust-proof groove on the heat dissipation effect is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Liquid crystal display switches in wide and narrow visual angle, including display screen shell (1), both sides wall face is close to the upper end position around display screen shell (1) and has seted up spacing hole (5), and the top of display screen shell (1) is provided with dust removal board (2), and dust removal board (2) are the U-shaped structure, and fixed orifices (3) have all been seted up to both sides wall face around dust removal board (2), and fixed orifices (3) inside are provided with pilot pin (4), its characterized in that: exhaust vent (6) have all been seted up to both sides wall face around display screen shell (1), square groove (12) have been seted up to both sides position around the top of display screen shell (1) is close to, square groove (12) are the rectangular channel, square groove (12) inside movable mounting has dust removal piece (13), dust removal piece (13) are the rectangle structure, dust prevention groove (15) have been seted up to the back wall of dust removal piece (13), the last wall fixed mounting of dust removal piece (13) has stopper (14), the inside lower wall fixed mounting of display screen shell (1) has motor (7), motor (7) have two, the top fixed mounting of the axle of motor (7) has pivot (8), fixed mounting has wind piece (9) on the excircle wall of pivot (8), wind piece (9) are the arc structure, louvre (10) have been seted up to the back wall of display screen shell (1).
2. The wide and narrow viewing angle switching liquid crystal display panel according to claim 1, wherein: the fixing hole (3) is a circular threaded hole, and the position of the fixing hole (3) corresponds to the position of the limiting hole (5).
3. The wide and narrow viewing angle switching liquid crystal display panel according to claim 1, wherein: the air outlet (6) is a rectangular through hole, and the air outlet (6) is located at the lower side of the limiting hole (5).
4. The wide and narrow viewing angle switching liquid crystal display panel according to claim 1, wherein: the heat dissipation holes (10) are circular through holes, and dust separation nets (11) are fixedly arranged inside the heat dissipation holes (10).
5. The wide and narrow viewing angle switching liquid crystal display panel according to claim 1, wherein: the positioning bolt (4) is of a cylindrical structure, and the positioning bolt (4) extends into the limiting hole (5) and is connected with the limiting hole (5) in a threaded mode.
6. The wide and narrow viewing angle switching liquid crystal display panel according to claim 1, wherein: the dust-proof groove (15) is a Z-shaped through hole, and the position of the dust-proof groove (15) corresponds to the position of the air outlet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020620267.1U CN212113086U (en) | 2020-04-22 | 2020-04-22 | Wide-narrow viewing angle switching liquid crystal display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020620267.1U CN212113086U (en) | 2020-04-22 | 2020-04-22 | Wide-narrow viewing angle switching liquid crystal display screen |
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| Publication Number | Publication Date |
|---|---|
| CN212113086U true CN212113086U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020620267.1U Active CN212113086U (en) | 2020-04-22 | 2020-04-22 | Wide-narrow viewing angle switching liquid crystal display screen |
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| CN (1) | CN212113086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634770A (en) * | 2020-12-21 | 2021-04-09 | 绍兴微创电子科技有限公司 | LED display screen fault safety alarm device |
-
2020
- 2020-04-22 CN CN202020620267.1U patent/CN212113086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634770A (en) * | 2020-12-21 | 2021-04-09 | 绍兴微创电子科技有限公司 | LED display screen fault safety alarm device |
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