Miniature uv led backlight with a clamping assembly

Abstract

The utility model relates to a kind of micro-UVLED backlight source with clamping assembly, to solve the technical problem that four screws are respectively screwed, more time-consuming, inconvenient operation currently, including backplate, further including outer frame and cover plate;Outer frame is fixedly arranged on the backplate top side;Cover plate is covered with the outer frame top end;Wherein, the cover plate four corners are respectively positioned with outer frame four corners through limiting structure and cooperate;The limiting structure includes angle block, threaded sleeve, screw rod, connecting column and pressing plate;Angle block is fixedly arranged on the outer frame corner;Threaded sleeve is fixedly arranged on the angle block included angle top side;Screw rod is screw-connected in the threaded sleeve;Connecting column is fixedly arranged on the screw rod top end;Pressing plate outer corner is fixedly connected with the connecting column top end through end head;Wherein, the pressing plate inner corner is limited with the cover plate corner cooperation, the utility model has the advantage that rotating pressing plate quickly presses down positioning cover plate, compared with screwing screw more quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of backlight, especially relates to a miniature UVLED backlight source with clamping assembly. BACKGROUND

[0002] The backlight source is a light source behind the liquid crystal display, and the light emitting effect of the backlight source will directly affect the visual effect of the liquid crystal display module.

[0003] The UVLED point light source is a high-energy ultraviolet light emitting diode, which emits a spot-shaped UV light source, and is used for the rapid curing of UV glue, UV ink and other UV light sensitive materials.

[0004] The four corners of the cover plate arranged at the top end of the miniature UVLED backlight source are fixed by screws, four screws are respectively screwed, and time is consumed more, and operation is inconvenient.

[0005] In view of this, we propose a miniature UVLED backlight source with clamping assembly. UTILITY MODEL CONTENT

[0006] The utility model discloses a miniature UVLED backlight source with clamping assembly to overcome the defects of the prior art, adapt to the actual needs, and solve the technical problems that four screws are respectively screwed, time is consumed more, and operation is inconvenient.

[0007] In order to realize the utility model discloses the technical scheme that the utility model adopts for the purpose that a kind of miniature UVLED backlight source with clamping assembly is designed, including backplate, still including outer frame and cover plate;

[0008] The outer frame is fixed to the top side of the backplate;

[0009] The cover plate is arranged on the top end of the outer frame;

[0010] The four corners of the cover plate are respectively positioned and matched with the four corners of the outer frame by the limiting structure;

[0011] The limiting structure includes an angle block, a threaded sleeve, a screw rod, a connecting column and a pressing plate;

[0012] The angle block is fixed to the corner of the outer frame;

[0013] The threaded sleeve is fixed to the top side of the angle block;

[0014] The screw rod is threadedly connected to the threaded sleeve;

[0015] The connecting column is fixed to the top end of the screw rod;

[0016] The outer corner of the pressing plate is fixedly connected to the top end of the connecting column by the end head;

[0017] The inner corner of the pressing plate is limitedly matched with the edge corner of the cover plate.

[0018] Preferably, the screw is completely screwed into the threaded sleeve while the inner corner of the pressing plate is in contact with the edge corner of the cover plate, and the bottom end of the connecting column is in contact with the top end of the threaded sleeve.

[0019] Preferably, the outer frame is provided with an insertion column at each of the four corners of the top end, and the cover plate is provided with a through hole at each of the four corners.

[0020] Preferably, the top end of the insertion column is provided with a spherical surface.

[0021] Preferably, the top end of the insertion column does not exceed the through hole.

[0022] Compared with the prior art, the utility model has the beneficial effects that:

[0023] 1. The utility model discloses a positioning cover plate is pressed and fixed by rotating the pressing plate, which is more rapid than screwing screws.

[0024] 2. The utility model discloses an insertion column and a through hole, which are used for accurately covering the cover plate on the top end of the outer frame. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic diagram of the utility model;

[0026] Figure 2 It is a limiting structure schematic diagram of the utility model;

[0027] Figure 3 It is an outer frame and cover plate connecting structure schematic diagram of the utility model;

[0028] Figure 4 It is the A place enlarged schematic diagram of the utility model; Figure 3

[0029] In the drawing: 1, back plate;2, outer frame;3, cover plate;4, limiting structure;

[0030] 201, insertion column;

[0031] 2011, spherical surface;

[0032] 301, through hole;

[0033] 401, corner block;402, threaded sleeve;403, screw;404, connecting column;405, end;406, pressing plate. DETAILED DESCRIPTION​

[0034] The utility model is further illustrated below in combination with the drawings and embodiments:

[0035] Embodiment 1: a miniature UVLED backlight source provided with a clamping assembly, referring to Figures 1 to 4 , comprising backboard 1, still including outer frame 2 and cover plate 3;Outer frame 2 is fixedly arranged on the top side of backboard 1;Cover plate 3 is arranged on the top end of outer frame 2;Among them, the four corners of cover plate 3 are respectively positioned and matched with the four corners of outer frame 2 through limiting structure 4;

[0036] Limiting structure 4 includes angle block 401, threaded sleeve 402, screw rod 403, connecting column 404 and pressing plate 406;Angle block 401 is fixedly arranged at the corner of outer frame 2;Threaded sleeve 402 is fixedly arranged at the top side of the corner of angle block 401;Screw rod 403 is screw-connected in threaded sleeve 402;Connecting column 404 is fixedly arranged at the top end of screw rod 403;The outer corner of pressing plate 406 is fixedly connected with the top end of connecting column 404 through end 405;Among them, the inner corner of pressing plate 406 is limitedly matched with the corner of cover plate 3.

[0037] The utility model discloses a setting angle block 401, threaded sleeve 402, screw rod 403, connecting column 404 and pressing plate 406 have the advantages that the rotating pressing plate 406 quickly presses the positioning cover plate 3, compared with screwing the screw, and the problems of screwing four screws respectively, consuming more time and being inconvenient to operate are solved.

[0038] Specifically, while the inner corner of pressing plate 406 contacts the corner of cover plate 3, screw rod 403 is completely screwed into threaded sleeve 402, and the bottom end of connecting column 404 contacts the top end of threaded sleeve 402.After screw rod 403 is completely screwed into threaded sleeve 402, the bottom end of connecting column 404 contacts the top end of threaded sleeve 402, and the pressing plate 406 cannot be rotated, and the inner corner of the pressing plate 406 just presses the corner of the cover plate 3 at this time, so that accurate positioning is realized.

[0039] Further, the top end of outer frame 2 is fixedly provided with a plurality of insertion columns 201, and the four corners of cover plate 3 are respectively provided with a plurality of through holes 301, and the insertion columns 201 are in threaded connection with the through holes 301.

[0040] The utility model discloses a setting insertion column 201 and through hole 301 has the advantages that when the cover plate 3 is arranged on the top end of outer frame 2, the insertion column 201 and the through hole 301 are connected, so that the cover plate 3 is accurately arranged on the top end of outer frame 2.

[0041] Further, the top end of insertion column 201 is provided with a spherical surface 2011, and the spherical surface 2011 at the top end of insertion column 201 is more smooth when being inserted into the through hole 301.

[0042] It is worth mentioning that the top end of insertion column 201 does not exceed the through hole 301, and does not affect the pressing of the corner of cover plate 3 by pressing plate 406.

[0043] Working principle: using the device, before installation, four corner pressing plate 406 inner angle are in the outward state, in the outer frame 2 top end cover set cover plate 3, insert column 201 correspond to draw into perforation 301, rotate pressing plate 406, the inner angle of pressing plate 406 is rotated from outside to inside, end 405 drive connecting column 404 and screw rod 403 rotate, screw rod 403 is screwed into threaded sleeve 402, after screw rod 403 is completely screwed into threaded sleeve 402, the bottom end of connecting column 404 contacts with the top end of threaded sleeve 402, cannot rotate pressing plate 406, the inner angle of pressing plate 406 at this time is just pressed to cover plate 3 corner and locates, cover plate 3 is positioned at the top end of outer frame 2.

[0044] The embodiments of the present application are disclosed, but are not limited to the preferred embodiments, and the ordinary skilled in the art can easily understand the spirit of the present application according to the above embodiments, and make different inferences and changes, as long as they do not deviate from the spirit of the present application, they are within the protection scope of the present application.

Claims

1. A miniature UV LED backlight provided with a clamping assembly, comprising a back plate (1), characterized in that, Also include: The outer frame (2) is fixed to the top side of the back plate (1); Cover plate (3), cover set in the top end of the outer frame (2); Wherein, the cover plate (3) four corners are respectively positioned by limiting structure (4) and outer frame (2) four corners positioning cooperation; The limiting structure (4) includes: Corner block (401), fixed to the corner of the outer frame (2); Threaded sleeve (402), fixed to the top side of the corner block (401) included angle; Screw rod (403), threaded connection in the threaded sleeve (402); Connecting column (404), fixed to the top end of the screw rod (403); Press plate (406), the outer corner is fixedly connected with the top end of the connecting column (404) through the end (405); Wherein, the inner corner of the press plate (406) and the corner of the cover plate (3) limiting cooperation.

2. The micro UV LED backlight with a clamping assembly of claim 1, wherein, The inner corner of the press plate (406) and the corner of the cover plate (3) contact at the same time, and the screw rod (403) is completely screwed into the threaded sleeve (402), and the bottom end of the connecting column (404) and the top end of the threaded sleeve (402) are in contact.

3. The micro UV LED backlight with a clamping assembly of claim 1, wherein, The top end of the outer frame (2) is respectively provided with a plug column (201), and the four corners of the cover plate (3) are respectively provided with a through hole (301), and the plug column (201) is respectively provided with a through hole (301).

4. The micro UV LED backlight with a clamping assembly of claim 3, wherein, The top end of the plug column (201) is provided with a spherical surface (2011).

5. The micro UV LED backlight with a clamping assembly of claim 4, wherein, The top end of the plug column (201) does not exceed the through hole (301).

Images