CN212319196U - Anti-floating dust device of liquid crystal display module assembly - Google Patents

Abstract

The utility model relates to a liquid crystal display technology field specifically is a dustproof device of liquid crystal display module subassembly, including the display and with the supporting base of display, dustproof device is installed to the lower extreme of display, dustproof device includes the swing arm, concatenation arm and center pin, center pin one end is driven by drive arrangement and is rotated, the center pin other end runs through the lateral wall of base and is coaxial fixed with the swing arm, concatenation arm left side bottom is passed through the hinge and is connected with the swing arm, the inside movable groove that has seted up of concatenation arm, two-way latch mechanism is installed to the movable inslot, two-way latch mechanism cooperatees with the swing arm, swing arm and the equal fixed mounting in one side that the concatenation arm is close to the display have the brush. The whole length of the swing arm can be increased by the splicing arm as required, so that the region contacted by the brush is wider, the outer wall surface of the display can be cleaned without dead angles, floating dust is effectively prevented from being accumulated, and time and labor are saved.

Description

Anti-floating dust device of liquid crystal display module assembly

Technical Field

The utility model relates to a liquid crystal display technology field specifically is a liquid crystal display module subassembly prevent floating dust device.

Background

Liquid crystal display panels have high image quality, low power consumption, no radiation, and small size, and have become the mainstream of the display market. Current display designs tend to reduce the thickness and components of the display to achieve light and thin profiles and reduce material costs. However, the conventional lcd tv and lcd generally comprises a front frame, a finished lcd, a main board power board, a rear housing and a base.

However, when the display screen is placed indoors for a long time, a layer of dust inevitably adheres to the surface of the display screen, so that normal use is influenced, people usually use the hairbrush or the wet tissue to wipe the display screen, time and labor are wasted, the contact area of the hairbrush is limited, and the display screen is difficult to clean without dead angles.

Accordingly, a dust floating prevention device for a liquid crystal display module assembly is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid crystal display module subassembly prevent floating dust device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dustproof device that floats of liquid crystal display module subassembly, includes the display and with the supporting base of display, dustproof device is installed to the lower extreme of display, dustproof device includes swing arm, concatenation arm and center pin, center pin one end is driven rotatoryly by drive arrangement, the center pin other end runs through the lateral wall of base and is coaxial fixed with the swing arm, concatenation arm left side bottom is passed through the hinge and is connected with the swing arm, the inside movable groove that has seted up of concatenation arm, two-way latch mechanism is installed to the movable groove, two-way latch mechanism cooperatees with the swing arm, swing arm and the equal fixed mounting in one side that the concatenation arm is close to the display have the brush.

Preferably, two-way latch mechanism includes vertical inserted bar, compression spring, pull rod, reset spring and horizontal inserted block, pull rod one end and horizontal inserted block fixed connection, the pull rod other end runs through reset spring and stretches into the activity inslot, the lower extreme of vertical inserted bar runs through pull rod and compression spring in proper order and extends in the activity groove in the outside.

Preferably, the upper end of the longitudinal inserted bar is integrally formed with a limiting column, the upper end of the movable groove is provided with a through hole matched with the limiting column in a penetrating manner, and the lower end of the longitudinal inserted bar is provided with a baffle plate used for limiting the movement of the compression spring.

Preferably, the right side of swing arm is seted up with horizontal inserted block matched with second draw-in groove, the right side below of swing arm is seted up with vertical inserted bar matched with first draw-in groove, the equal fixed mounting of first draw-in groove and second draw-in groove inner wall has the arc bullet piece, all set up on the lateral wall of horizontal inserted block and vertical inserted bar with arc bullet piece matched with draw-in groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by utilizing the bidirectional clamping mechanism, the swing arm and the splicing arm can be quickly butted, fixed and put into use; when the foldable display is placed, the swing arm and the splicing arm can be folded, the occupied area is reduced, and the shielding phenomenon of the display is avoided.

2. The utility model discloses novel structure, easy operation utilizes the concatenation arm can increase the whole length of swing arm as required for the region that the brush touched is more extensive, just so can carry out no dead angle to the outer wall of display and clean, prevents effectively that the floating dust from pushing up long-pending labour saving and time saving.

Drawings

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is a schematic view of the middle floating dust prevention device of the present invention.

In the figure: the display comprises a base 1, a display 2, a swing arm 3, a first clamping groove 301, a second clamping groove 302, a splicing arm 4, a movable groove 401, a longitudinal insertion rod 5, a compression spring 6, a pull rod 7, a return spring 8, a transverse insertion block 9, a clamping groove 10, an arc-shaped elastic block 11, a brush 12 and a central shaft 13.

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 to 3, the present invention provides a technical solution: the utility model provides a dustproof device that floats of liquid crystal display module subassembly, including display 2 and with the supporting base 1 of display 2, dustproof device is installed to the lower extreme of display 2, dustproof device includes swing arm 3, concatenation arm 4 and center pin 13, center pin 13 one end is driven rotatoryly by drive arrangement, the center pin 13 other end runs through base 1's lateral wall and is coaxial fixed with swing arm 3, concatenation arm 4 left side bottom is passed through the hinge and is connected with swing arm 3, concatenation arm 4 is inside to have seted up movable groove 401, install two-way latch mechanism in the movable groove 401, two-way latch mechanism cooperatees with swing arm 3, swing arm 3 and the equal fixed mounting in one side that concatenation arm 4 is close to display 2 have brush 12. Through setting up center pin 13, swing arm 3 and concatenation arm 4 cooperation use, the region that the extension brush touched to can clean the outer wall of display 2 without the dead angle, prevent effectively that the floating dust from pushing up labour saving and time saving.

As shown in fig. 3, the bidirectional clamping mechanism includes a longitudinal insertion rod 5, a compression spring 6, a pull rod 7, a return spring 8 and a transverse insertion block 9, one end of the pull rod 7 is fixedly connected with the transverse insertion block 9, the other end of the pull rod 7 penetrates through the return spring 8 and extends into the movable groove 401, and the lower end of the longitudinal insertion rod 5 penetrates through the pull rod 7 and the compression spring 6 in sequence and extends to the outer side of the movable groove 401; the upper end of the longitudinal inserted bar 5 is integrally formed with a limiting column, the upper end of the movable groove 401 is provided with a through hole matched with the limiting column in a penetrating mode, and the lower end of the longitudinal inserted bar 5 is fixedly connected with a baffle used for limiting the movement of the compression spring 6. When the splicing arm 4 is folded down, the longitudinal insertion rod 5 extrudes the compression spring 6 until just being inserted into the first clamping groove 301, and the longitudinal insertion rod 5 can be fixed in the first clamping groove 301 through the arc elastic block 11, so that the splicing arm 4 is fixed at the bottom of the swing arm 3.

As shown in fig. 3, a second clamping groove 302 matched with the transverse insertion block 9 is formed in the right side of the swing arm 3, a first clamping groove 301 matched with the longitudinal insertion rod 5 is formed below the right side of the swing arm 3, an arc-shaped elastic block 11 is fixedly mounted on the inner wall of the first clamping groove 301 and the inner wall of the second clamping groove 302, and a clamping groove 10 matched with the arc-shaped elastic block 11 is formed in the side walls of the transverse insertion block 9 and the longitudinal insertion rod 5. When the splicing arm 4 turns over upwards, the transverse insertion block 9 extrudes the reset spring 8 until the reset spring is just inserted into the second clamping groove 302, and the transverse insertion block 9 is fixed in the second clamping groove 302 through the matching of the clamping groove 10 and the arc elastic block 11, so that the splicing arm 4 is spliced and fixed with the swing arm 3, and the whole length of the brush 12 is increased.

The working principle is as follows: when floating dust is required to adhere to the surface of the display 2, the driving device drives the central shaft 13, so that the central shaft 13 drives the swing arm 3 to rotate on the surface of the display 2, and the whole length of the swing arm 3 and the splicing arm 4 is greater than the length of the longest edge of the display, so that the dust adhering to the surface of the display 2 can be cleaned without dead corners, and the device is convenient and quick; and after the clearance finishes, stir vertical inserted bar 5 to the right side for horizontal inserted block 9 extrudes reset spring 8 and breaks away from second draw-in groove 302 in the outside, turn over the concatenation arm 4 downwards after that, and this in-process, vertical inserted bar 5 extrusion compression spring 6 is until just pegging graft in first draw-in groove 301, and can be wherein vertical inserted bar 5 is fixed through the arc bullet piece 11 in first draw-in groove 301, thereby will splice arm 4 and be fixed in the bottom of swing arm 3. Compared with the prior art, the device has the greatest advantage that the length of the swing arm 3 can be increased as required, so that the region contacted by the brush 12 is wider, the outer wall surface of the display 2 can be cleaned without dead angles, the floating dust is effectively prevented from being accumulated, and time and labor are saved. And utilize two-way latch mechanism, can enough dock swing arm 3 and concatenation arm 4 fast when using fixedly, can also fold swing arm 3 and concatenation arm 4 when stopping, reduce area occupied, avoid causing the phenomenon of sheltering from to display 2 and take place.

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 (4)

1. The utility model provides a dustproof device that floats of liquid crystal display module subassembly, includes display (2) and base (1) supporting with display (2), its characterized in that: anti-floating dust device is installed to the lower extreme of display (2), anti-floating dust device includes swing arm (3), concatenation arm (4) and center pin (13), center pin (13) one end is driven rotatoryly by drive arrangement, center pin (13) other end run through the lateral wall of base (1) and with swing arm (3) coaxial fixed, concatenation arm (4) left side bottom is passed through the hinge and is connected with swing arm (3), movable groove (401) have been seted up to concatenation arm (4) inside, install two-way latch mechanism in movable groove (401), two-way latch mechanism cooperatees with swing arm (3), swing arm (3) and the equal fixed mounting in one side that concatenation arm (4) are close to display (2) have brush (12).

2. The liquid crystal display module assembly dust prevention device according to claim 1, wherein: two-way latch mechanism includes vertical inserted bar (5), compression spring (6), pull rod (7), reset spring (8) and horizontal inserted block (9), pull rod (7) one end and horizontal inserted block (9) fixed connection, pull rod (7) other end runs through reset spring (8) and stretches into in activity groove (401), the lower extreme of vertical inserted bar (5) runs through pull rod (7) and compression spring (6) in proper order and extends in activity groove (401) in the outside.

3. The liquid crystal display module assembly dust prevention device according to claim 2, wherein: the limiting column is integrally formed at the upper end of the longitudinal insertion rod (5), a through hole matched with the limiting column is formed in the upper end of the movable groove (401) in a penetrating mode, and a baffle used for limiting the movement of the compression spring (6) is arranged at the lower end of the longitudinal insertion rod (5).

4. A floating dust preventing apparatus of a liquid crystal display module assembly according to claim 3, wherein: the right side of swing arm (3) is seted up with horizontal inserted block (9) matched with second draw-in groove (302), the right side below of swing arm (3) is seted up with vertical inserted bar (5) matched with first draw-in groove (301), the equal fixed mounting of first draw-in groove (301) and second draw-in groove (302) inner wall has arc bullet piece (11), all seted up on the lateral wall of horizontal inserted block (9) and vertical inserted bar (5) with arc bullet piece (11) matched with draw-in groove (10).

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