CN212808867U - Dustproof liquid crystal display backlight source - Google Patents
Dustproof liquid crystal display backlight source Download PDFInfo
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- CN212808867U CN212808867U CN202022259604.1U CN202022259604U CN212808867U CN 212808867 U CN212808867 U CN 212808867U CN 202022259604 U CN202022259604 U CN 202022259604U CN 212808867 U CN212808867 U CN 212808867U
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- backlight
- mounting panel
- liquid crystal
- crystal display
- mounting
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Abstract
The utility model belongs to the technical field of the backlight and specifically relates to a dustproof liquid crystal display backlight is related to, and it includes backlight body and mounting panel, the backlight body is installed one side face of mounting panel, one side face of mounting panel slides and is provided with the clearance pole, one side of clearance pole is provided with clearance portion, clearance portion one side with the backlight body is kept away from the one side of mounting panel contacts, be provided with the drive on the mounting panel the clearance pole is in the drive assembly who slides on the mounting panel. This application has comparatively convenient cleans the backlight, reduces the accumulational effect of dust etc. on the backlight.
Description
Technical Field
The application relates to the field of backlight sources, in particular to a dustproof liquid crystal display backlight source.
Background
The backlight source is a light source located at the back of the liquid crystal display, and the light emitting effect of the backlight source directly influences the visual effect of the liquid crystal display module. The liquid crystal display does not emit light itself, and it displays a pattern or its result of modulating light.
The backlight source mainly comprises a light source, a light guide plate, an optical matrix and a structural member: light source: three backlight source types of EL, CCFL and LED are mainly available; light guide plate: the method comprises printing, chemical etching, precision mechanical engraving, photolithography, internal diffusion, and hot pressing; an optical mold sheet: brightness enhancement film/sheet, diffusion film/sheet, reflection sheet, black/white glue; the structural part: the structural member is provided with: the back plate (iron back plate, aluminum back plate and plastic back plate), the rubber frame, the lamp tube frame, the aluminum section bar and the aluminum base strip, wherein the back plate and the rubber frame are necessary parts, and other structural parts are not completely used.
The LED backlight is one of the most frequent backlight in practical use, and the backlight may be contaminated by dust during use, thereby affecting its functions. Chinese patent (No. CN 208195124U) discloses a cleaning device for a backlight, which can be used for cleaning the backlight, but is inconvenient to use because the backlight needs to be placed in the device for cleaning.
SUMMERY OF THE UTILITY MODEL
In order to clean the backlight source conveniently and reduce the accumulation of dust and the like on the backlight source, the application provides the dustproof liquid crystal display backlight source.
The dustproof liquid crystal display backlight source adopts the following technical scheme:
the utility model provides a dustproof liquid crystal display backlight, includes backlight body and mounting panel, the backlight body is installed one side face of mounting panel, one side face of mounting panel slides and is provided with the clearance pole, one side of clearance pole is provided with clearance portion, clearance portion one side with the backlight body is kept away from the one side of mounting panel contacts, be provided with the drive on the mounting panel the clearance pole is in the drive assembly who slides on the mounting panel.
Through adopting above-mentioned technical scheme, drive assembly drive clearance pole slides on the mounting panel, and the clearance portion on the clearance pole clears up the backlight body to comparatively convenient clean the backlight body, reduce piling up on the backlight body such as dust.
Preferably, the drive assembly is including rotating and bearing screw rod on the mounting panel, and fixed mounting be in the sliding block of clearance pole one end, the sliding block with screw rod threaded connection, the mounting panel with be provided with the guide between the sliding block, be provided with the drive on the mounting panel screw rod pivoted driving piece.
Through adopting above-mentioned technical scheme, driving piece drive screw rotates, and the screw rod rotates and drives the sliding block and slide to the realization drives the relative mounting panel of clearance pole and slides.
Preferably, the driving piece comprises a speed reducing motor installed on the installation plate, the speed reducing motor is installed on one side, away from the backlight body, of the installation plate, an output shaft of the speed reducing motor vertically penetrates through the installation plate, and a reversing assembly is arranged between the output shaft of the speed reducing motor and the screw.
Through adopting above-mentioned technical scheme, the gear motor passes through the rotation of switching-over subassembly drive screw rod.
Preferably, the reversing assembly comprises a first bevel gear coaxially and fixedly sleeved on the output shaft of the speed reducing motor, and a second bevel gear coaxially and fixedly sleeved on one end of the screw rod, and the first bevel gear and the second bevel gear are meshed with each other.
By adopting the technical scheme, the first bevel gear coaxially fixed on the output shaft of the speed reducing motor is meshed with the second bevel gear coaxially fixed at one end of the screw rod, so that the power transmission between the output shaft of the speed reducing motor and the screw rod is realized.
Preferably, the guide part includes along the length direction of screw is seted up guide way on the mounting panel, the sliding block with the cooperation of sliding of guide way.
Through adopting above-mentioned technical scheme, the cooperation of sliding of guide way and sliding block can prevent that the sliding block from rotating along with the screw rod.
Preferably, the mounting plate is provided with a collecting box, and the collecting box is arranged under the backlight source body.
By adopting the technical scheme, the cleaning part on the cleaning rod cleans dust and then falls into the collecting box for convenient subsequent unified treatment.
Preferably, the collecting box is detachably connected with the mounting plate.
Through adopting above-mentioned technical scheme, convenient follow-up will collect the box and pull down so that clear up the dust in collecting the box.
Preferably, a protection box is installed on the installation plate, and the speed reduction motor is located in the protection box.
Through adopting above-mentioned technical scheme, the protection box can prevent that the gear motor from exposing outside, reduces the influence that receives factors such as external humidity.
Preferably, the cleaning part comprises a bristle part and a mounting bar, the bristle part is mounted on one side of the mounting bar, and the mounting bar is detachably connected with the cleaning rod.
Through adopting above-mentioned technical scheme, brush hair portion clears up the backlight body, can dismantle between mounting bar and the clearance pole and connect convenient follow-up change clearance portion.
In summary, the present application includes at least one of the following beneficial technical effects:
the driving assembly drives the cleaning rod to slide on the mounting plate, and the cleaning part on the cleaning rod cleans the backlight body, so that the backlight body is relatively conveniently cleaned, and accumulation of dust and the like on the backlight body is reduced;
the cleaning part on the cleaning rod cleans dust and then falls into the collecting box to facilitate subsequent uniform treatment;
the brush hair portion clears up the backlight body, can dismantle between mounting bar and the clearance pole and connect convenient follow-up change clearance portion.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
FIG. 2 is a schematic structural diagram of a cleaning rod and a mounting bar in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of the inside of the protective box in the embodiment of the present application.
Description of reference numerals: 1. a backlight source body; 2. mounting a plate; 3. cleaning the rod; 4. a brush part; 5. mounting a bar; 6. a screw; 7. a sliding block; 8. a guide groove; 9. a reduction motor; 10. a first bevel gear; 11. a second bevel gear; 12. a collection box; 13. and (5) a protection box.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses dustproof liquid crystal display backlight, refer to fig. 1 and fig. 2, including backlight body 1 and mounting panel 2, backlight body 1 fixed mounting is in one side face middle part of mounting panel 2, one side face of mounting panel 2 slides and is provided with clearance pole 3, one side of clearance pole 3 is provided with clearance portion, the one side of clearance portion contacts with the one side that mounting panel 2 was kept away from to backlight body 1, specifically, clearance portion includes brush hair portion 4 and mounting bar 5, a side face at mounting bar 5 is installed to brush hair portion 4, brush hair portion 4 is used for clean backlight body 1, can dismantle the connection through the bolt between mounting bar 5 and the clearance pole 3, make things convenient for follow-up change clearance portion, be provided with the drive assembly that drive clearance pole 3 slided on mounting panel 2.
Referring to fig. 1 and 3, the driving assembly includes a screw rod 6 rotatably supported on the mounting plate 2 through two mounting seats, and a sliding block 7 fixedly mounted at one end of the cleaning rod 3, the length of the screw rod 6 is wider than the width of the backlight body 1, the sliding block 7 is in threaded connection with the screw rod 6, a guide member is arranged between the mounting plate 2 and the sliding block 7, the guide member includes a guide groove 8 arranged on the mounting plate 2 along the length direction of the screw rod 6, and the sliding block 7 is in sliding fit with the guide groove 8. Be provided with drive screw 6 pivoted driving piece on mounting panel 2, in this embodiment, the driving piece is including installing the gear motor 9 on mounting panel 2, and gear motor 9 installs the one side of keeping away from backlight body 1 at mounting panel 2, installs protection box 13 on mounting panel 2, and gear motor 9 is located protection box 13, and gear motor 9's output shaft runs through mounting panel 2 perpendicularly, is provided with the switching-over subassembly between gear motor 9's output shaft and the screw 6.
Specifically, the reversing assembly comprises a first bevel gear 10 coaxially and fixedly sleeved on an output shaft of the speed reducing motor 9 and a second bevel gear 11 coaxially and fixedly sleeved on one end of the screw rod 6, the first bevel gear 10 and the second bevel gear 11 are meshed with each other, the first bevel gear 10 coaxially fixed on the output shaft of the speed reducing motor 9 and the second bevel gear 11 coaxially fixed on one end of the screw rod 6 are meshed with each other to realize power transmission between the output shaft of the speed reducing motor 9 and the screw rod 6, and when the backlight body 1 does not need to be cleaned, the speed reducing motor 9 can be started to drive the cleaning rod 3 to move to one side of the screw rod 6 so as to avoid influencing the work of the backlight.
Install on mounting panel 2 and collect box 12, collect box 12 and set up under backlight body 1, collect and can dismantle the connection through the bolt between box 12 and the mounting panel 2, convenient follow-up will collect box 12 and pull down so that the dust in the box 12 is collected in the clearance.
The implementation principle of the dustproof liquid crystal display backlight source in the embodiment of the application is as follows: when the backlight body 1 needs to be cleaned, the speed reducing motor 9 is started, the first bevel gear 10 coaxially fixed at the output shaft of the speed reducing motor 9 and the second bevel gear 11 coaxially fixed at one end of the screw 6 are meshed to realize power transmission between the output shaft of the speed reducing motor 9 and the screw 6, the screw 6 is driven to rotate, the screw 6 rotates to drive the sliding block 7 to move along the length direction of the guide groove 8, so that the cleaning rod 3 is driven to slide along the length direction of the guide groove 8 on the mounting plate 2, the brush hair part 4 on the cleaning part on the cleaning rod 3 cleans the backlight body 1, so that the backlight body 1 is conveniently cleaned, accumulation of dust and the like on the backlight body 1 is reduced, the dust drops and is accumulated in the collecting box 12, and the collecting box 12 is subsequently detached to clean the dust in the collecting box 12.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a dustproof liquid crystal display backlight, its characterized in that, includes backlight body (1) and mounting panel (2), install backlight body (1) one side face of mounting panel (2), one side face of mounting panel (2) slides and is provided with clearance pole (3), one side of clearance pole (3) is provided with clearance portion, clearance portion one side with backlight body (1) is kept away from the one side of mounting panel (2) contacts, be provided with the drive on mounting panel (2) clearance pole (3) are in the drive assembly who slides on mounting panel (2).
2. The backlight source of claim 1, wherein the driving assembly comprises a screw (6) rotatably supported on the mounting plate (2), and a sliding block (7) fixedly mounted at one end of the cleaning rod (3), the sliding block (7) is in threaded connection with the screw (6), a guide member is arranged between the mounting plate (2) and the sliding block (7), and a driving member for driving the screw (6) to rotate is arranged on the mounting plate (2).
3. The dustproof liquid crystal display backlight source of claim 2, wherein the driving member comprises a decelerating motor (9) mounted on the mounting plate (2), the decelerating motor (9) is mounted on a side of the mounting plate (2) far away from the backlight body (1), an output shaft of the decelerating motor (9) vertically penetrates through the mounting plate (2), and a reversing component is arranged between the output shaft of the decelerating motor (9) and the screw (6).
4. The dustproof liquid crystal display backlight source of claim 3, wherein the reversing component comprises a first bevel gear (10) coaxially and fixedly sleeved on the output shaft of the speed reducing motor (9) and a second bevel gear (11) coaxially and fixedly sleeved on one end of the screw rod (6), and the first bevel gear (10) and the second bevel gear (11) are meshed with each other.
5. The dustproof liquid crystal display backlight source of claim 2, wherein the guide member comprises a guide groove (8) formed in the mounting plate (2) along the length direction of the screw (6), and the sliding block (7) is in sliding fit with the guide groove (8).
6. A dustproof liquid crystal display backlight according to claim 1, wherein a collecting box (12) is mounted on the mounting plate (2), and the collecting box (12) is arranged right below the backlight body (1).
7. A dustproof LCD backlight according to claim 6, wherein the collection box (12) and the mounting plate (2) are detachably connected.
8. A dustproof liquid crystal display backlight according to claim 3, wherein a protective box (13) is mounted on the mounting board (2), and the decelerating motor (9) is located in the protective box (13).
9. The dustproof liquid crystal display backlight source of claim 1, wherein the cleaning part comprises a brush part (4) and a mounting bar (5), the brush part (4) is mounted on one side plate surface of the mounting bar (5), and the mounting bar (5) is detachably connected with the cleaning rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022259604.1U CN212808867U (en) | 2020-10-12 | 2020-10-12 | Dustproof liquid crystal display backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022259604.1U CN212808867U (en) | 2020-10-12 | 2020-10-12 | Dustproof liquid crystal display backlight source |
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| Publication Number | Publication Date |
|---|---|
| CN212808867U true CN212808867U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022259604.1U Active CN212808867U (en) | 2020-10-12 | 2020-10-12 | Dustproof liquid crystal display backlight source |
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| CN (1) | CN212808867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033681A (en) * | 2021-11-08 | 2022-02-11 | 中北大学 | Combined type vacuum pump based on spiral double-claw rotor |
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2020
- 2020-10-12 CN CN202022259604.1U patent/CN212808867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033681A (en) * | 2021-11-08 | 2022-02-11 | 中北大学 | Combined type vacuum pump based on spiral double-claw rotor |
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