CN214954449U

CN214954449U - Split type liquid crystal backlight plate

Info

Publication number: CN214954449U
Application number: CN202121637704.1U
Authority: CN
Inventors: 李文秀
Original assignee: Shenzhen Xinchuangxiang Photoelectric Co ltd
Current assignee: Shenzhen Xinchuangxiang Photoelectric Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-30
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a split type liquid crystal backlight plate, the fruit pick-up device comprises a frame body, the inside of framework is provided with backlight unit, one side fixedly connected with side shell of framework, the inside one side of side shell is provided with the bowl, the inside of side shell is provided with the light source structure of being convenient for to change, one side of side shell is provided with the wire rod and hides fixed knot and constructs, the outside one side of framework is provided with can dismantle protective structure. This split type liquid crystal backlight board is through being provided with the backplate, preceding frame, the strengthening rib strip, fixed screw and fixed screw, during the use, backplate and preceding frame combine together to constitute a protecting crust of inside area slot, insert the framework along the gap between backplate and the preceding frame, two sets of strengthening rib strips of cross arrangement on the backplate can make the structure more stable, screw up the fixed screw after that, make its card go into fixed screw in order to reach fixed effect, the function of outside protection has been realized, the problem of the function that the device does not possess outside protection is solved.

Description

Split type liquid crystal backlight plate

Technical Field

The utility model relates to a board technical field in a poor light specifically is a split type liquid crystal board in a poor light.

Background

The liquid crystal display screen does not emit light, and the backlight plate is needed to provide light source for assistance in normal display, so the brightness, uniformity and other properties of the liquid crystal display screen play an important role, the liquid crystal backlight plates on the market are various, different in function, but has some defects more or less, such as thin plate surface, easy bending damage in moving or carrying process, secondly, the internal light source of the backlight plate is fixed, once the backlight plate is damaged, the replacement steps are complicated, the external wiring is exposed, the overlong wiring is easy to cause unnecessary dragging, the breakage is caused, and the like, aiming at the problems, the scheme is correspondingly improved, the protective structure is added outside the plate body, so that the backlight assembly inside is protected when the plate body is transferred and carried, secondly change the fluorescent tube into detachable, the maintenance of being convenient for change to it accomodates hidden structure and conveniently accomodates the exposed length of wire rod regulation to have set up wire rod in plate body one side.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a split type liquid crystal backlight board to the problem of the function that does not possess the outside protection is proposed in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a split type liquid crystal backlight board, includes the framework, the inside of framework is provided with backlight unit, one side fixedly connected with side shell of framework, the automatically controlled module of the inside bottom fixedly connected with of side shell, the bottom fixedly connected with wire of side shell one side, one side of the inside of side shell is provided with the bowl, the inside of side shell is provided with the light source structure of being convenient for to change, one side of side shell is provided with the wire rod and hides fixed knot and constructs, one side of framework outside is provided with can dismantle protective structure.

The detachable protection structure comprises a back plate, the back plate is arranged at the rear end of the frame body, a front frame is arranged at the front end of the back plate, two sets of reinforcing ribs are fixedly connected to the front end of the back plate, two sets of fixing screws are inserted into one side of the front end of the front frame, and fixing screw holes are formed in one side of the front end of the frame body.

Preferably, the external threads of the fixing screws are matched with the internal threads of the fixing screw holes, and the fixing screws are symmetrically distributed about the horizontal center line of the back plate.

Preferably, the light source structure convenient to change comprises mounting panel, installation screw, cold cathode fluorescent lamp, negative electrode piece and positive electrode piece, the mounting panel sets up the top at the side shell, it has two sets of installation screws to peg graft in one side on mounting panel top, the bottom fixedly connected with cold cathode fluorescent lamp of mounting panel, the bottom fixedly connected with negative electrode piece of cold cathode fluorescent lamp, positive electrode piece fixed connection is in the one side on automatically controlled module top.

Preferably, the bottom end of the negative electrode sheet is embedded with the top end of the positive electrode sheet.

Preferably, the wire hiding and fixing structure is composed of an inner groove, a sliding groove, a fixing piece, a sliding shaft, a wire buckling rod and a shaft clamping groove, the inner groove is formed in one side of the side shell, the sliding groove is formed in the front end and the rear end of the side shell respectively, the sliding shaft is movably connected in the sliding groove, the fixing piece is fixedly connected to the front end of the sliding shaft, the wire buckling rod is fixedly connected between one end of the fixing piece, and the shaft clamping groove is formed in the front end and the rear end of the side shell respectively.

Preferably, the sliding grooves are arranged at equal intervals, and the outer diameter of the wire buckling rod is smaller than the inner diameter of the clamping shaft groove.

Compared with the prior art, the beneficial effects of the utility model are that: the split liquid crystal backlight plate not only realizes the function of external protection and the function of conveniently disassembling and replacing the light source, but also realizes the function of conveniently accommodating and hiding wires;

(1) when the backlight plate is used, the backboard and the front frame are combined to form a protective shell with a slot inside, the frame body is inserted into a gap between the backboard and the front frame, the two groups of reinforcing ribs which are arranged on the backboard in a crossed mode can enable the structure to be more stable, bending and other conditions are not prone to occurring, then the fixing screws are screwed down to enable the fixing screws to be clamped into the fixing screw holes to achieve the fixing effect, when the backlight plate is needed to be used, the fixing screws are only required to be unscrewed, the backlight plate is taken out to be put into use, and the function of external protection is achieved;

(2) by arranging the mounting plate, the mounting screws, the cold cathode lamp tube, the negative electrode plate and the positive electrode plate, when the light source in the equipment is damaged and needs to be replaced in use, the cold cathode lamp tube can be quickly taken out only by unscrewing the mounting screws and lifting the mounting plate upwards, otherwise, when the cold cathode lamp tube is mounted, the negative electrode plate at the bottom of the cold cathode lamp tube is in contact with the positive electrode plate above the electric control module, the power supply is switched on to realize light emission, and the function of conveniently detaching and replacing the light source is realized;

(3) through being provided with the inside groove, the sliding tray, the stationary blade, the sliding shaft, detain the line pole and block the shaft groove, in using, when the wire rod overlength needs to be hidden or the adjustment exposes length, only need to fill in the inside groove with the wire, catch after that and detain the line pole and upwards pull, it drives stationary blade and sliding shaft and shifts up along the sliding tray to detain the line pole, after that to upwards overturn the card with fixed in blocking the shaft groove with detaining the line pole, the detain the line pole of fixing presses the wire in the inside groove, the wire rod is accomodate wherein promptly, the design of multiunit can the person of facilitating the use select suitable position as required to carry out the block fixed, realized being convenient for accomodate the function of hiding the wire rod.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a front view of the detachable protective structure of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is the utility model discloses a wire rod hides fixed knot to construct and looks sideways at local enlarged structure schematic diagram.

In the figure: 1. a frame body; 2. a backlight module; 3. a back plate; 4. a front frame; 5. reinforcing ribs; 6. fixing screws; 7. fixing screw holes; 8. a side shell; 9. an electric control module; 10. a wire; 11. a reflector; 12. a light source structure convenient to replace; 1201. mounting a plate; 1202. mounting screws; 1203. a cold cathode lamp tube; 1204. a negative electrode plate; 1205. a positive electrode plate; 13. the wire rod hiding and fixing structure; 1301. an inner tank; 1302. a sliding groove; 1303. a fixing sheet; 1304. a sliding shaft; 1305. a wire-buckling rod; 1306. a shaft clamping groove.

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.

Example 1: referring to fig. 1-4, a split liquid crystal backlight board includes a frame 1, a backlight module 2 is disposed inside the frame 1, a side shell 8 is fixedly connected to one side of the frame 1, an electronic control module 9 is fixedly connected to a bottom end inside the side shell 8, a wire 10 is fixedly connected to a bottom end of one side of the side shell 8, a reflector 11 is disposed on one side inside the side shell 8, and a detachable protective structure is disposed on one side outside the frame 1;

referring to fig. 1-4, a split liquid crystal backlight board further includes a detachable protective structure, the detachable protective structure includes a back board 3, the back board 3 is disposed at the rear end of the frame body 1, a front frame 4 is disposed at the front end of the back board 3, two sets of reinforcing ribs 5 are fixedly connected to the front end of the back board 3, two sets of fixing screws 6 are inserted into one side of the front end of the front frame 4, and a fixing screw hole 7 is disposed at one side of the front end of the frame body 1;

the external thread of the fixing screw 6 is matched with the internal thread of the fixing screw hole 7, and the fixing screw 6 is symmetrically distributed about the horizontal central line of the back plate 3;

specifically, as shown in fig. 1 and 2, backplate 3 and preceding frame 4 combine together to constitute a inside protective housing who takes the slot, insert framework 1 along the gap between backplate 3 and preceding frame 4, two sets of strengthening ribs 5 of the cross arrangement on backplate 3 can make the structure more stable, be difficult to the condition such as bending appear, screw up set screw 6 after that, make its card go into fixed screw 7 in order to reach fixed effect, when needs use the board in a poor light, only need unscrew set screw 6, take the board in a poor light out and can put into use, the function of external protection has been realized.

Example 2: the light source structure 12 convenient to replace is arranged inside the side shell 8, the light source structure 12 convenient to replace consists of a mounting plate 1201, mounting screws 1202, a cold cathode fluorescent tube 1203, a negative electrode sheet 1204 and a positive electrode sheet 1205, the mounting plate 1201 is arranged at the top end of the side shell 8, two groups of mounting screws 1202 are inserted into one side of the top end of the mounting plate 1201, the cold cathode fluorescent tube 1203 is fixedly connected to the bottom end of the mounting plate 1201, the negative electrode sheet 1204 is fixedly connected to the bottom end of the cold cathode fluorescent tube 1203, and the positive electrode sheet 1205 is fixedly connected to one side of the top end of the electronic control module 9;

the bottom end of the negative electrode sheet 1204 is embedded with the top end of the positive electrode sheet 1205;

specifically, as shown in fig. 1 and fig. 3, when the light source inside the device is damaged and needs to be replaced, the mounting screw 1202 is only required to be unscrewed, the mounting plate 1201 is lifted upwards, the cold cathode fluorescent lamp 1203 can be taken out quickly, and vice versa during mounting, the negative electrode sheet 1204 at the bottom of the cold cathode fluorescent lamp 1203 is in contact with the positive electrode sheet 1205 above the electronic control module 9, and then the power is turned on to realize light emission, so that the function of replacing the light source by convenient detachment is realized.

Example 3: a wire hiding and fixing structure 13 is arranged on one side of the side shell 8, the wire hiding and fixing structure 13 is composed of an inner groove 1301, a sliding groove 1302, a fixing plate 1303, a sliding shaft 1304, a wire buckling rod 1305 and a shaft clamping groove 1306, the inner groove 1301 is arranged on one side of the side shell 8, the sliding groove 1302 is respectively arranged in the front end and the rear end of the side shell 8, the sliding shaft 1304 is movably connected in the sliding groove 1302, the fixing plate 1303 is fixedly connected to the front end of the sliding shaft 1304, the wire buckling rod 1305 is fixedly connected between one end of the fixing plate 1303, and the shaft clamping groove 1306 is respectively arranged in the front end and the rear end of the side shell 8;

the sliding grooves 1302 are arranged at equal intervals, and the outer diameter of the wire buckling rod 1305 is smaller than the inner diameter of the clamping shaft groove 1306;

specifically, as shown in fig. 1 and 4, when the wire is too long and needs to be hidden or the exposed length needs to be adjusted, the wire 10 only needs to be plugged into the inner groove 1301, then the wire-buckling rod 1305 is grasped to pull upwards, the wire-buckling rod 1305 drives the fixing plate 1303 and the sliding shaft 1304 to move upwards along the sliding groove 1302, then the wire-buckling rod 1305 turns upwards and is clamped into the shaft-clamping groove 1306 to be fixed, the fixed wire-buckling rod 1305 presses the wire 10 into the inner groove 1301, the wire is stored in the inner groove, and the multiple sets of design can facilitate a user to select a proper position to clamp and fix the wire as required, so that the function of conveniently storing and hiding the wire is realized.

The working principle is as follows: the utility model discloses when using, at first, wire 10 inserts the power, transmit the signal of telecommunication to cold cathode fluorescent lamp 1203 department through automatically controlled module 9, the light that cold cathode fluorescent lamp 1203 sent is reflection reinforcing in backlight unit 2, provide the light source for liquid crystal display, before using, on the way in the transportation or shift, backplate 3 combines together with front frame 4 and constitutes a protecting crust of inside area slot, insert framework 1 along the gap between backplate 3 and front frame 4, two sets of strengthening ribs 5 of cross arrangement on backplate 3 can make the structure more stable, be difficult to appear the condition such as bending, tighten fixing screw 6 afterwards, make its card go into fixing screw 7 in order to reach fixed effect, when needs use backlight board, only need to loosen fixing screw 6, take out the backlight board and can put into use, the function of outside protection has been realized; when the light source in the device is damaged and needs to be replaced, the cold cathode tube 1203 can be quickly taken out only by unscrewing the mounting screw 1202 and lifting the mounting plate 1201 upwards, otherwise, the cold cathode tube 1203 is mounted, and the negative electrode sheet 1204 at the bottom of the cold cathode tube 1203 is in contact with the positive electrode sheet 1205 above the electric control module 9, so that the power supply is switched on to realize light emission, and the function of conveniently detaching and replacing the light source is realized; when the wire rod is too long and needs to be hidden or the exposed length of the wire rod needs to be adjusted, the wire rod 10 only needs to be plugged into the inner groove 1301, then the wire rod 1305 is grabbed and pulled upwards, the wire rod 1305 drives the fixing piece 1303 and the sliding shaft 1304 to move upwards along the sliding groove 1302, then the wire rod 1305 is upwards overturned and clamped into the clamping shaft groove 1306 to be fixed, the wire rod 1305 which is fixed presses the wire rod 10 into the inner groove 1301, the wire rod is contained in the inner groove, the multiple groups of the wire rod are designed to enable a user to conveniently select proper positions to be clamped and fixed according to needs, and the function of containing and hiding the wire rod conveniently is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a split type liquid crystal backlight board, includes framework (1), its characterized in that: a backlight module (2) is arranged in the frame body (1), a side shell (8) is fixedly connected to one side of the frame body (1), an electronic control module (9) is fixedly connected to the bottom end of the inside of the side shell (8), a wire (10) is fixedly connected to the bottom end of one side of the side shell (8), a reflecting cover (11) is arranged on one side of the inside of the side shell (8), a light source structure (12) convenient to replace is arranged in the side shell (8), a wire hiding and fixing structure (13) is arranged on one side of the side shell (8), and a detachable protection structure is arranged on one side of the outside of the frame body (1);

the detachable protective structure comprises a back plate (3), wherein the back plate (3) is arranged at the rear end of a frame body (1), a front frame (4) is arranged at the front end of the back plate (3), two groups of reinforcing ribs (5) are fixedly connected with the front end of the back plate (3), two groups of fixing screws (6) are inserted into one side of the front end of the front frame (4), and a fixing screw hole (7) is formed in one side of the front end of the frame body (1).

2. The liquid crystal backlight plate of claim 1, wherein: the external threads of the fixing screws (6) are matched with the internal threads of the fixing screw holes (7), and the fixing screws (6) are symmetrically distributed about the horizontal center line of the back plate (3).

3. The liquid crystal backlight plate of claim 1, wherein: light source structure (12) convenient to change comprise mounting panel (1201), installation screw (1202), cold cathode fluorescent tube (1203), negative pole piece (1204) and positive electrode piece (1205), mounting panel (1201) sets up the top at side shell (8), it has two sets of installation screws (1202) to peg graft in one side on mounting panel (1201) top, the bottom fixedly connected with cold cathode fluorescent tube (1203) of mounting panel (1201), the bottom fixedly connected with negative pole piece (1204) of cold cathode fluorescent tube (1203), positive electrode piece (1205) fixed connection is in the one side on automatically controlled module (9) top.

4. The liquid crystal backlight plate of claim 3, wherein: the bottom end of the negative electrode sheet (1204) is embedded with the top end of the positive electrode sheet (1205).

5. The liquid crystal backlight plate of claim 1, wherein: the wire hiding and fixing structure (13) is composed of an inner groove (1301), a sliding groove (1302), a fixing plate (1303), a sliding shaft (1304), a wire buckling rod (1305) and a wire clamping groove (1306), wherein the inner groove (1301) is arranged on one side of a side shell (8), the sliding groove (1302) is respectively arranged in the front end and the rear end of the side shell (8), the sliding shaft (1304) is movably connected in the sliding groove (1302), the fixing plate (1303) is fixedly connected to the front end of the sliding shaft (1304), the wire buckling rod (1305) is fixedly connected between one end of the fixing plate (1303), and the wire clamping groove (1306) is respectively arranged in the front end and the rear end of the side shell (8).

6. The liquid crystal backlight plate of claim 5, wherein: the sliding grooves (1302) are arranged at equal intervals, and the outer diameter of the wire buckling rod (1305) is smaller than the inner diameter of the clamping shaft groove (1306).