CN212808862U - Dust-proof display screen backlight module - Google Patents
Dust-proof display screen backlight module Download PDFInfo
- Publication number
- CN212808862U CN212808862U CN202021923162.XU CN202021923162U CN212808862U CN 212808862 U CN212808862 U CN 212808862U CN 202021923162 U CN202021923162 U CN 202021923162U CN 212808862 U CN212808862 U CN 212808862U
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- display screen
- backlight module
- back plate
- backplate
- screen body
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Abstract
The utility model discloses a dust type display screen backlight unit, including backplate, backlight unit body, motor and drive belt, the inside of backplate is provided with the backlight unit body, and equidistant the installing arc fin in the bottom of backlight unit body, the mounting groove has all been seted up to the four corners position department on backplate top, and the inside of mounting groove is provided with the display screen body, display screen body bottom four corners position department all install with mounting groove assorted installation piece, and the inside of installation piece and mounting groove all is provided with the screw hole, the inside bolt that runs through the backplate that is provided with of screw hole, the lead screw is all installed through the bearing in the both ends of backplate, and the outer wall of lead screw is provided with the nut brush board. This dust-protection type display screen backlight unit inserts through sealed piece and makes display screen body and backplate form encapsulated situation in the seal groove to prevent that outside dust from getting into in the backplate, causing the part to damage.
Description
Technical Field
The utility model relates to a display screen technical field specifically is a dust type display screen backlight unit.
Background
Along with the continuous development of science and technology, electronic product market develops well, and more many people of display screen manufacturing industry attach value to, and backlight unit is the light source that is located liquid crystal display behind one's back, and liquid crystal display itself is luminous, and it demonstrates figure and characters through the backlight, and traditional dust-proof display screen backlight unit can satisfy people's user demand basically, but still has certain problem, and concrete problem is as follows:
1. when most of display screen backlight modules in the market are installed and fixed, external dust enters the backlight module due to gaps generated during installation, and internal parts are damaged;
2. most display screen backlight unit is when using in the existing market, because clear up for a long time, appear a large amount of dusts on the display screen easily to influence and use the bandwagon effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dust type display screen backlight unit to solve the problem that a large amount of dust appears easily on the outside dust that proposes gets into backlight unit and the display screen easily among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a dustproof display screen backlight module comprises a back plate, a backlight module body, a motor and a transmission belt, wherein the backlight module body is arranged inside the back plate, arc-shaped radiating fins are arranged at the bottom end of the backlight module body at equal intervals, mounting grooves are arranged at the four corners of the top end of the back plate, and a display screen body is arranged in the mounting groove, mounting blocks matched with the mounting groove are mounted at the four corners of the bottom end of the display screen body, threaded holes are arranged in the mounting block and the mounting groove, bolts penetrating through the back plate are arranged in the threaded holes, screw rods are arranged at two ends of the back plate through bearings, and the outer wall of the screw rod is provided with a nut brush plate, the inner side of the back plate is provided with a guide rod penetrating through the nut brush plate, a hollow groove is formed in one side of the back plate, and a first bevel gear penetrating through the hollow groove is arranged on the outer wall of the screw rod.
Preferably, the top end of the back plate is provided with a sealing groove, and the bottom end of the display screen body is provided with a sealing block matched with the sealing groove.
Preferably, the bottom end of the nut brush plate is provided with a brush, and the bottom end of the brush is in contact with the display screen body.
Preferably, the rotating shafts are mounted at two ends of the inner part of the empty groove through bearings, and the outer wall of each rotating shaft is provided with a second bevel gear meshed with the first bevel gear.
Preferably, a motor is arranged in the empty groove, and the output end of the motor is connected with the rotating shaft through a coupler.
Preferably, the outer wall of the rotating shaft is provided with a driving wheel, and the outer wall of the driving wheel is sleeved with a driving belt.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by installing the back plate and the display screen body, the display screen body and the back plate form a sealing state by inserting the sealing block into the sealing groove, so that external dust is prevented from entering the back plate and parts are prevented from being damaged;
2. meanwhile, the device is provided with the display screen body and the nut brushing plate, and the nut brushing plate drives the hairbrush to clean the outer wall of the display screen body so as to keep the cleanliness of the display screen body;
3. meanwhile, the device is provided with the back plate, the display screen body and the bolt, and the bolt penetrates through the back plate and is meshed with the threaded hole by rotating, so that the display screen body and the back plate are fixedly installed.
Drawings
FIG. 1 is a front view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic top sectional view of the present invention;
fig. 3 is a schematic view of the display screen body and the sealing block of the present invention in a bottom view;
FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;
fig. 5 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.
In the figure: 1. a back plate; 2. mounting grooves; 3. a backlight module body; 4. an arc-shaped heat radiating fin; 5. a driving wheel; 6. a motor; 7. a screw rod; 8. a display screen body; 9. a nut brush plate; 10. a bolt; 11. a sealing block; 12. mounting blocks; 13. a guide bar; 14. a brush; 15. an empty groove; 16. a threaded hole; 17. a rotating shaft; 18. a transmission belt; 19. a sealing groove; 20. a first bevel gear; 21. a second bevel gear.
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 present invention provides a technical solution: a dustproof display screen backlight module comprises a back plate 1, a backlight module body 3, a motor 6 and a transmission belt 18, wherein the backlight module body 3 is arranged inside the back plate 1;
the top end of the back plate 1 is provided with a sealing groove 19, the bottom end of the display screen body 8 is provided with a sealing block 11 matched with the sealing groove 19, and the display screen body 8 and the back plate 1 are in a sealing state by inserting the sealing block 11 into the sealing groove 19, so that external dust is prevented from entering the back plate 1 and damaging parts;
arc-shaped cooling fins 4 are arranged at the bottom end of the backlight module body 3 at equal intervals, mounting grooves 2 are formed in four corners of the top end of the back plate 1, a display screen body 8 is arranged inside the mounting grooves 2, mounting blocks 12 matched with the mounting grooves 2 are mounted at four corners of the bottom end of the display screen body 8, threaded holes 16 are formed in the mounting blocks 12 and the mounting grooves 2, bolts 10 penetrating through the back plate 1 are arranged inside the threaded holes 16, lead screws 7 are mounted at two ends of the back plate 1 through bearings, and nut brushing plates 9 are arranged on the outer walls of the lead screws 7;
the bottom end of the nut brush plate 9 is provided with the hairbrush 14, the bottom end of the hairbrush 14 is in contact with the display screen body 8, the outer wall of the display screen body 8 is cleaned by driving the hairbrush 14 through the nut brush plate 9, the outer wall of the display screen body 8 is convenient to clean, and the cleanliness of the display screen body 8 is kept;
a guide rod 13 penetrating through the nut brush plate 9 is arranged on the inner side of the back plate 1, and a hollow groove 15 is formed in one side of the back plate 1;
the two ends of the inner part of the empty groove 15 are both provided with a rotating shaft 17 through bearings, the outer wall of the rotating shaft 17 is provided with a second bevel gear 21 meshed with the first bevel gear 20, the rotating shaft 17 is driven to rotate through the starting motor 6, so that the rotating shaft 17 drives the second bevel gear 21 to be meshed with the first bevel gear 20, the screw rod 7 is driven to rotate, and the display screen body 8 is convenient to clean;
the outer wall of the rotating shaft 17 is provided with a driving wheel 5, the outer wall of the driving wheel 5 is sleeved with a driving belt 18, the driving wheel 5 is driven to rotate through the rotating shaft 17, and the rotating shaft 17 on the other side is driven to rotate through the driving belt 18, so that the display screen body 8 is convenient to clean;
the inside of dead slot 15 is provided with motor 6, and the model of this motor 6 can be 42M704L530, and motor 6's output is connected with pivot 17 through the shaft coupling, drives pivot 17 through starter motor 6 and rotates to pivot 17 drives second bevel gear 21 and meshes with first bevel gear 20 mutually, and then drives lead screw 7 and takes place to rotate, is convenient for clear up display screen body 8, and lead screw 7 outer wall is provided with the first bevel gear 20 that runs through dead slot 15.
The working principle is as follows: when the dustproof display screen backlight module is used, an external power supply is firstly switched on, then an operator inserts the mounting block 12 in the display screen body 8 into the mounting groove 2, so that the sealing block 11 is inserted into the sealing groove 19 to form a sealing structure to prevent external dust from entering, and then the bolt 10 penetrates through the back plate 1 to be meshed with the threaded hole 16, so that the display screen body 8 and the back plate 1 are fixedly mounted in position, and the display screen body 8 is convenient to mount and dismount;
when operating personnel need clear up the outer wall of display screen body 8, drive pivot 17 through starter motor 6 and rotate, thereby pivot 17 drives drive wheel 5 and rotates, and drive wheel 5 through drive belt 18 and rotate, and then pivot 17 drives second conical gear 21 and first conical gear 20 and meshes mutually, then first conical gear 20 drives lead screw 7 and removes, make nut brush board 9 drive brush 14 and remove in guide bar 13, make brush 14 drive display screen body 8 and clear up, avoid display screen body 8 outer wall dust to appear, do above the utility model discloses a whole principles.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a dust type display screen backlight unit, includes backplate (1), backlight unit body (3), motor (6) and drive belt (18), its characterized in that: the LED backlight module is characterized in that a backlight module body (3) is arranged inside the back plate (1), arc-shaped cooling fins (4) are arranged at the bottom end of the backlight module body (3) at equal intervals, mounting grooves (2) are formed in four corners of the top end of the back plate (1), a display screen body (8) is arranged inside the mounting grooves (2), mounting blocks (12) matched with the mounting grooves (2) are mounted at four corners of the bottom end of the display screen body (8), threaded holes (16) are formed in the mounting blocks (12) and the mounting grooves (2), bolts (10) penetrating through the back plate (1) are arranged inside the threaded holes (16), lead screws (7) are mounted at two ends of the back plate (1) through bearings, nut brush plates (9) are arranged on the outer walls of the lead screws (7), guide rods (13) penetrating through the nut brush plates (9) are mounted on the inner side of the back plate, an empty groove (15) is formed in one side of the back plate (1), and a first bevel gear (20) penetrating through the empty groove (15) is arranged on the outer wall of the screw rod (7).
2. The backlight module of claim 1, wherein: seal groove (19) have been seted up on the top of backplate (1), display screen body (8) bottom is installed and is sealed piece (11) with seal groove (19) assorted.
3. The backlight module of claim 1, wherein: the bottom end of the nut brush plate (9) is provided with a brush (14), and the bottom end of the brush (14) is in contact with the display screen body (8).
4. The backlight module of claim 1, wherein: the two ends in the empty groove (15) are provided with rotating shafts (17) through bearings, and the outer wall of each rotating shaft (17) is provided with a second bevel gear (21) meshed with the first bevel gear (20).
5. The backlight module of claim 1, wherein: the motor (6) is arranged inside the empty groove (15), and the output end of the motor (6) is connected with the rotating shaft (17) through a coupler.
6. The backlight module of claim 4, wherein: the outer wall of the rotating shaft (17) is provided with a driving wheel (5), and the outer wall of the driving wheel (5) is sleeved with a driving belt (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021923162.XU CN212808862U (en) | 2020-09-07 | 2020-09-07 | Dust-proof display screen backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021923162.XU CN212808862U (en) | 2020-09-07 | 2020-09-07 | Dust-proof display screen backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212808862U true CN212808862U (en) | 2021-03-26 |
Family
ID=75088664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021923162.XU Active CN212808862U (en) | 2020-09-07 | 2020-09-07 | Dust-proof display screen backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212808862U (en) |
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2020
- 2020-09-07 CN CN202021923162.XU patent/CN212808862U/en active Active
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