CN213092693U - A defogging structure for outdoor electronic display screen - Google Patents

Abstract

The utility model discloses a demisting structure for outdoor electronic display screen, which comprises a protective frame, a protective cover fixedly connected with the inner side wall surface of the protective frame, a demisting structure arranged on the inner side wall surface of the protective frame, the demisting structure comprising a movable plate, a shovel blade fixedly connected with the outer side wall surface of the movable plate, a chute arranged on the outer side wall surface of the movable plate, wiping cloth laid on the inner side wall surface of the chute, a fixture block slidably connected with the inner side wall surface of the movable plate, a transmission structure slidably connected with the outer side wall surface of the movable plate through a connecting piece, when needing demisting operation, the rotating motor is turned on to drive the demisting structure to work through the transmission structure, the shovel blade and the wiping cloth repeatedly wipe the protective cover by utilizing the working principle of the reciprocating screw rod, the cleaning device can clean the water mist, so that a viewer can achieve the best viewing effect, and meanwhile, the wiping cloth can be replaced periodically, so that the defogging effect is improved.

Description

A defogging structure for outdoor electronic display screen

Technical Field

The utility model relates to an outdoor electronic display screen defogging technical field specifically is a defogging structure for outdoor electronic display screen.

Background

The display screen is a screen body formed by a plurality of display units which can be combined and spliced, and a set of proper controller is added. Therefore, the display panels with various specifications can be combined with controllers with different control technologies to form a plurality of LED display screens so as to meet the requirements of different environments and different display requirements. Outdoor electronic display screen is a display device who is applied to outdoor environment and relates for do corresponding show to pedestrian and driver, to in open air changeable weather, can place it in the frame that contains transparent panel for the protection display screen and fix, however along with the evaporation of steam, partial water smoke will stop on transparent panel, causes to shelter from to the display screen and is difficult to watch the display screen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a defogging structure for outdoor electronic display to solve the problem that provides 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 defogging structure for outdoor electronic display screen, including the bearer bar, the inside wall fixedly connected with safety cover of bearer bar, the defogging structure is installed to the inside wall face of bearer bar, the defogging structure is including the line movable plate, the outside wall fixedly connected with spiller of line movable plate, the spout has been seted up to the outside wall of line movable plate, wiping cloth has been laid to the inside wall face of spout, the inside wall face of spout will wipe the cloth joint in the inside wall face of spout through pressing the compression roller, the inside wall face sliding connection of line movable plate has the fixture block, the inside wall face joint of fixture block is in the outside wall face of pressing the compression roller, fixedly connected with spring between fixture block and the action plate, the outside wall face of line movable plate has transmission structure through connecting piece sliding connection, transmission structure includes the loop bar, the inside wall face spiro union of loop bar has reciprocal screw.

Preferably, the action groove has been seted up to the outside wall of loop bar, and the connecting piece includes the gleitbretter, and gleitbretter sliding connection is in the inner wall face of action groove, and the outside wall fixedly connected with pull rod of gleitbretter, the connecting piece is connected loop bar and action board through pull rod and gleitbretter.

Preferably, the locating slot is opened to the inside wall face of fixture block.

Preferably, the number of the transmission structures is two, and the transmission structures are symmetrically installed about the moving plate.

Preferably, one end of the reciprocating screw rod, which is far away from the loop bar, is engaged and connected with a rotating motor, and the rotating motor is electrically connected with an external power supply.

Compared with the prior art, the beneficial effects of the utility model are that: when needing to carry out the defogging operation, open the rotating electrical machines, make it drive the defogging structure through the transmission structure and carry out work, utilize the theory of operation of reciprocal screw rod to make the spiller and clean cloth and clean the safety cover repeatedly to clear up the water smoke, make the viewer reach best viewing effect, clean cloth simultaneously and can carry out periodic replacement, be used for improving the defogging effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a cross-sectional view taken along line A-A.

Fig. 3 is an enlarged view at B.

In the figure: 1. the protective frame, 2, the safety cover, 3, defogging structure, 31, action board, 32, shovel sword, 33, spout, 34, wiping cloth, 35, press roller, 36, fixture block, 361, constant head tank, 37, connecting piece, 371, gleitbretter, 372, pull rod, 38, transmission structure, 381, loop bar, 382, reciprocal screw rod, 383, action groove, 4, rotating electrical machines, 5, spring.

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. 1-3, the present invention provides a technical solution: a defogging structure for an outdoor electronic display screen comprises a protective frame 1, a protective cover 2 is fixedly connected to the inner side wall surface of the protective frame 1, a defogging structure 3 is installed on the inner side wall surface of the protective frame 1, the defogging structure 3 comprises a movable plate 31, a scraper knife 32 is fixedly connected to the outer side wall surface of the movable plate 31, a chute 33 is formed in the outer side wall surface of the movable plate 31, wiping cloth 34 is laid on the inner side wall surface of the chute 33, the wiping cloth 34 is clamped on the inner side wall surface of the chute 33 through a pressing roller 35 by the inner side wall surface of the chute 33, a clamping block 36 is slidably connected to the inner side wall surface of the movable plate 31, a spring 5 is fixedly connected between the clamping block 36 and the movable plate 31, a transmission structure 38 is slidably connected to the outer side wall surface of the movable plate 31 through a connecting piece 37, the transmission structure 38 comprises a loop rod 381, a reciprocating screw rod 382, the reciprocating screw 382 is rotationally connected with the inner side wall surface of the protective frame 1;

when the display screen inside can be watched through the protective cover 2 during use, if the protective cover 2 generates water mist, demisting can be carried out by using the demisting structure 3, the wiping cloth 34 is placed at the position shown in figure 2, the pressing roller 35 is placed, the wiping cloth 34 is clamped inside the sliding chute 33 by the pressing roller 35, the sliding clamping block 36 is clamped on the outer side wall surface of the pressing roller 35, the clamping block 36 is stably clamped and fixedly clamped on the pressing roller 35 to jointly press the wiping cloth 34 by utilizing the elasticity of the spring 5, namely, when the reciprocating screw 382 rotates, the sleeve rod 381 slides on the inner side wall surface of the protective frame 1, namely, the sleeve rod 381 screwed on the outer side wall surface of the reciprocating screw 382 carries out spiral connection transmission, the sleeve rod 381 slides leftwards along the direction shown in figure 1 along with the rotation of the reciprocating screw 382, and moves rightwards after the reciprocating screw 382 moves to the extreme limit at the left end, by this reciprocation, the movable plate 31 connected to the connector 37 reciprocates left and right, and the scooping blades 32 connected thereto scrape and rub the mist on the outer wall surface of the protective cover 2, so that the mist is collected as droplets and then drops, and after the scooping blades 32 collect the droplets, the wiping cloths 34 wipe the protective cover 2 cleanly.

Specifically, an action groove 383 is formed in the outer side wall surface of the sleeve rod 381, the connecting piece 37 comprises a sliding piece 371, the sliding piece 371 is connected to the inner side wall surface of the action groove 383 in a sliding mode, a pull rod 372 is fixedly connected to the outer side wall surface of the sliding piece 371, the sleeve rod 381 is connected with the action plate 31 through the connecting piece 37 and the sliding piece 371, when the sleeve rod 381 slides, the sliding piece 371 on the connecting piece 37 can slide on the inner side wall surface of the action groove 383, and the sliding piece is connected with the action plate 31 through the pull rod 372 to move.

Particularly, the positioning groove 361 is formed in the inner side wall surface of the fixture block 36, and the fixture block 36 and the pressing roller 35 can be conveniently clamped by the positioning groove 361.

Particularly, the number of the transmission structures 38 is two, the transmission structures 38 are symmetrically installed about the moving plate 31, and the symmetrically installed transmission structures 38 facilitate that the moving plate 31 is more stable when being scratched leftwards and rightwards.

Specifically, the end of the reciprocating screw 382, which is far from the stem 381, is engaged with the rotating motor 4, the rotating motor 4 is electrically connected to an external power source, after the power source is turned on, the rotating motor 4 is rotated, and the two rotating motors 4 are simultaneously started, so that the defogging structure 3 thereon performs a constant-speed operation.

The working principle is as follows: when the display screen is used, the display screen inside the protective cover 2 can be watched through the protective cover 2, if water mist appears in the protective cover 2, the defogging structure 3 can be used for defogging, namely when the reciprocating screw 382 rotates, the loop rod 381 slides on the inner side wall surface of the protective frame 1, namely, the loop rod 381 screwed on the outer side wall surface of the reciprocating screw 382 performs spiral connection transmission, the loop rod 381 slides leftwards along the direction shown in fig. 1 along with the rotation of the loop rod 381 of the reciprocating screw 382, after the reciprocating screw 382 moves to the extreme position at the left end of the reciprocating screw 382, the loop rod 381 moves rightwards, so that reciprocating is performed, the moving plate 31 connected through the connecting piece 37 performs left-right reciprocating motion, and the scraper 32 connected to the loop rod 381 scratches the water mist on the outer side wall surface of the protective cover 2, so that the.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a defogging structure for outdoor electronic display screen which characterized in that: including protecting frame (1), the inside wall fixedly connected with safety cover (2) of protecting frame (1), defogging structure (3) are installed to the inside wall face of protecting frame (1), defogging structure (3) are including going movable plate (31), the outside wall fixedly connected with spiller (32) of going movable plate (31), spout (33) have been seted up to the outside wall face of going movable plate (31), wiping cloth (34) have been laid to the inside wall face of spout (33), the inside wall face of spout (33) will wipe cloth (34) joint in the inside wall face of spout (33) through pressing roller (35), the inside wall face sliding connection of going movable plate (31) has fixture block (36), the inside wall face joint of fixture block (36) is in the outside wall face of pressing roller (35), fixedly connected with spring (5) between fixture block (36) and action plate (31), the outer side wall surface of the movable plate (31) is connected with a transmission structure (38) in a sliding mode through a connecting piece (37), the transmission structure (38) comprises a sleeve rod (381), the inner side wall surface of the sleeve rod (381) is connected with a reciprocating screw rod (382) in a threaded mode, and the reciprocating screw rod (382) is connected to the inner side wall surface of the protective frame (1) in a rotating mode.

2. The defogging structure recited in claim 1, wherein: action groove (383) has been seted up to the outside wall face of loop bar (381), connecting piece (37) include gleitbretter (371), gleitbretter (371) sliding connection is in the inside wall face of action groove (383), the outside wall fixed connection of gleitbretter (371) has pull rod (372), connecting piece (37) are connected loop bar (381) and action board (31) through pull rod (372) and gleitbretter (371).

3. The defogging structure recited in claim 1, wherein: the inner side wall surface of the clamping block (36) is provided with a positioning groove (361).

4. The defogging structure recited in claim 1, wherein: the number of the transmission structures (38) is two, and the transmission structures (38) are symmetrically arranged on the movable plate (31).

5. The defogging structure recited in claim 1, wherein: one end of the reciprocating screw rod (382) far away from the sleeve rod (381) is connected with a rotating motor (4) in a meshed mode, and the rotating motor (4) is electrically connected with an external power supply.

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