Liquid crystal display screen capable of preventing light interference

Abstract

The utility model relates to the field of display screens, in particular to a light interference prevention liquid crystal display screen which comprises a base for bearing and installing a self-service ticket vending machine, a canvas shading shed used for preventing external light from interfering with the display screen, a folding and unfolding mechanism mainly composed of a screw rod, a driving plate, a telescopic frame and the like and capable of controlling folding and unfolding of the shading shed and the like. Compared with the prior art, the self-service ticket vending machine has the advantages that the shading shed is additionally arranged in front of the self-service ticket vending machine, light above the shading shed is prevented from reaching the display screen through the lightproof shed, a dark environment is formed in the shed, and people can clearly see self-service ticket buying information conveniently; and the sunshade can be folded and unfolded freely.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of display screen, concretely refers to a light interference prevention liquid crystal display screen. BACKGROUND

[0002] Rail transit is a kind of travel mode that the public often adopts, and the self-service ticket vending machine placed in the station hall greatly facilitates the self-service ticket purchase of passengers.

[0003] The liquid crystal display screen of the self-service ticket vending machine is usually designed to be upwardly inclined, and the station hall adopts the lighting mode of strong light cover type to enhance the field of view of pedestrians, when the strong light emitted from the indoor upper portion is irradiated on the display screen of the self-service ticket vending machine, the strong light effect caused by the strong light will result in that people cannot clearly see the information on the screen when purchasing tickets, and therefore the light interference prevention liquid crystal display screen is provided. UTILITARY MODEL CONTENT

[0004] I. Technical problem to be solved

[0005] The technical problem to be solved by the utility model is that the light in the station is irradiated on the display screen of the self-service ticket vending equipment, and the light effect caused by the strong light results in that people cannot clearly see the picture on the display screen.

[0006] II. Technical scheme

[0007] In order to solve the above technical problem, the technical scheme provided by the utility model is as follows: a light interference prevention liquid crystal display screen, comprising a self-service ticket vending machine and a base, and a display panel is connected on the self-service ticket vending machine.

[0008] The self-service ticket vending machine is installed on the upper portion of one end of the base, a canvas sunshade that can help the display panel to shade light is connected on the base, and a support assembly for installing the canvas sunshade and a folding and unfolding assembly capable of bearing the opening and closing of the canvas sunshade are connected on both sides of the base.

[0009] Further, the support assembly comprises a plurality of support frames, the canvas sunshade is installed on the top of the support frame, the bottom end of the support frame is downwardly connected with a pulley on both sides, and the top surface of the base is connected with a guide rail matched with the pulley.

[0010] Further, the base and the guide rail are jointly connected with a limiting nut between both ends, which fixes the guide rail and limits the moving position of the pulley.

[0011] Further, the retracting and expanding assembly comprises a steel structure frame, a driving plate and a plurality of supporting plates, the steel structure frame is arranged on one side of the self-service ticket vending machine, the driving plate is slidably connected at one end of the base away from the self-service ticket vending machine, the supporting plates are arranged between the steel structure frame and the driving plate in sequence, and the steel structure frame, the driving plate and the supporting plates are all connected with the telescopic frame, the telescopic frame is composed of two support rods which are connected with each other in X shape, the steel structure frame, the driving plate and the supporting plates are all provided with sliding grooves, the ends of the support rods are all connected with clamping blocks which are connected with the steel structure frame, the driving plate or the supporting plates through the sliding grooves, the supporting plates are connected with rod sleeves, the supporting frame is arranged on the supporting plates through the rod sleeves, and the base is connected with a power mechanism which drives the driving plate to move to realize the telescopic effect of the retracting and expanding mechanism.

[0012] Further, the power mechanism comprises a screw rod, the screw rod is rotatably connected in the base, a motor is arranged in the base and connected with the screw rod, a screw sleeve is threadedly connected on the screw rod, slide rails are arranged on the two sides of the base, and slide rods are connected on the two sides of the screw sleeve and connected with the driving plate through the slide rails and the side walls of the base.

[0013] III. Advantages

[0014] Compared with the prior art, the device has the advantages that: the device is provided with a light-shading shed in front of the self-service ticket vending machine, the shed is light-proof, the light from above is blocked from reaching the display screen, a relatively dark environment is formed in the shed, people can clearly see the self-service ticket information, and a retracting and expanding driving mechanism is arranged on the base, so that the shed can be freely retracted and expanded. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the appearance structure diagram of the liquid crystal display screen of the utility model Figure 1 .

[0016] Figure 2 is the appearance structure diagram of the liquid crystal display screen of the utility model Figure 2 .

[0017] Figure 3 is the internal structure diagram of the liquid crystal display screen of the utility model.

[0018] Figure 4 is Figure 2 the structure diagram of part A in the utility model.

[0019] Figure 5 is Figure 3 the structure diagram of part B in the utility model.

[0020] As shown in the figure: 1, self-service ticket vending machine, 2, display panel, 3, base, 4, screw rod, 5, motor, 6, screw sleeve, 7, slide bar, 8, slide rail, 9, drive plate, 10, steel structure frame, 11, support plate, 12, sliding groove, 13, telescopic frame, 14, support rod, 15, clamping block, 16, support frame, 17, canvas awning, 18, pulley, 19, guide rail, 20, limit nut, 21, rod sleeve. DETAILED DESCRIPTION

[0021] The utility model makes further detailed description in combination with the drawings.

[0022] Example one

[0023] To solve the above technical problems, the utility model provides a technical scheme for the light interference prevention liquid crystal display screen, in combination with the drawings Figures 1-2 , it includes self-service ticket vending machine 1 and base 3, the self-service ticket vending machine 1 is connected with display panel 2, the self-service ticket vending machine 1 is installed on the top of one end of base 3, the base 3 is connected with canvas awning 17 that can help display panel 2 to shade, by installing a canvas awning 17 in front of self-service ticket vending machine 1, the light of hall overhead chandelier, spotlight is shaded for display screen, to prevent strong light from interfering with the ticket purchaser to view display screen information, the both sides of base 3 are connected with the support assembly of installing canvas awning 17 and the folding and unfolding assembly that can carry canvas awning 17 opening and closing;

[0024] The support assembly includes a plurality of support frames 16, the canvas awning 17 is installed on the top of support frame 16 and is arranged, the bottom end of the both sides of support frame 16 is downwardly rotatably connected with pulley 18, the top surface of base 3 is connected with guide rail 19 matched with pulley 18, the both ends of base 3 and guide rail 19 are jointly connected with limit nut 20 that fixes guide rail 19 and limits the moving position of pulley 18;

[0025] Through support frame 16 and canvas awning 17, a complete tunnel type shelter is formed, support frame 16 is the main support component of the shelter, is installed on base 3, makes canvas awning 17 and self-service ticket vending machine 1 become an organic whole, since the shelter in the display screen equipment is folded and is stored, can be applicable to more extensive use scene, so installs guide rail 19 on base 3, the bottom end of support frame 16 is installed with pulley 18, through the embedding of pulley 18 in guide rail 19 and can freely roll, realize that the position of support frame 16 on base 3 is not limited, and the free adjustment is facilitated;

[0026] The retractable assembly comprises a steel structure frame 10, a driving plate 9 and a plurality of support plates 11, the steel structure frame 10 is arranged on one side of the self-service ticket vending machine 1, the driving plate 9 is arranged in sliding connection at the end of the base 3 away from the self-service ticket vending machine 1, the support plates 11 are arranged in sequence between the steel structure frame 10 and the driving plate 9, the steel structure frame 10, the driving plate 9 and the support plates 11 are all connected with the telescopic frame 13, the telescopic frame 13 is composed of two support rods 14 in X shape and is connected with each other in rotation, the steel structure frame 10, the driving plate 9 and the support plates 11 are all provided with sliding grooves 12, the ends of the support rods 14 are all connected with clamping blocks 15 which are connected with the steel structure frame 10, the driving plate 9 or the support plates 11 in sliding connection through cooperation with the sliding grooves 12, the support plates 11 are connected with rod sleeves 21, the support frames 16 are arranged on the support plates 11 through the rod sleeves 21, the base 3 is connected with a power mechanism which drives the driving plate 9 to move and realizes the telescopic effect of the retractable mechanism, the power mechanism comprises a screw rod 4, the screw rod 4 is arranged in rotation connection in the base 3, the base 3 is provided with a motor 5 which is in transmission cooperation with the screw rod 4, the screw rod 4 is provided with a screw sleeve 6 in threaded connection, the base 3 is connected with sliding rails 8 on both sides, the screw sleeve 6 is connected with sliding rods 7 on both sides, the ends of the sliding rods 7 pass through the side walls of the base 3 through the sliding rails 8 and are connected with the driving plate 9.

[0027] The canvas sunshade 17 is retracted in the display screen device, and is automatically opened and closed, first, a motor 5 is installed in the base 3 as a power source for retracting the canvas sunshade 17, the motor 5 drives the screw rod 4 to rotate, because the sliding rods 7 on the screw sleeve 6 are in sliding connection with the sliding rails 8 on the base 3, the screw sleeve 6 is provided with a limiting condition for moving along the axial direction of the screw rod 4, the screw sleeve 6 and the sliding rods 7 carry the driving plate 9 to move in front of the self-service ticket vending machine 1, the telescopic frames 13 in X shape are changed slowly, the support plates 11 are pulled or pushed to move inward or outward, the support frames 16 move synchronously with the related support plates 11, and finally the canvas sunshade 17 is expanded or retracted.

[0028] The utility model discloses when the personnel stand on the base 3 and before the self -service ticket vending machine, through the information on display panel 2, click the display screen and buy ticket operation, if the indoor light is too bright, the reflection on the display screen, lead to unable to see the data condition on display panel 2, can through the proper operation of motor 5, make the screw bushing 6 on screw rod 4, carry drive board 9, move towards the outer end of base 3, the each telescopic frame 13 of the equipment base 3 both sides gradually tend to flat in the movement, and in turn pull the support plate 11 and support frame 16 and move outward, thereby make the canvas sunshade 17 of above open, form the barrier with the light -proof effect between the light of above and display panel 2, and the environment in the shed is relatively dark, and personnel can see the light information on the display screen clearly and carefully, and buy ticket is more convenient, then the canvas sunshade 17 is collected, and the above -mentioned component direction runs, the display screen equipment in the specification and drawing of the present application, mainly for the use scene of self -service purchase train ticket, on the basis of the ticket vending machine of self -service ticket purchase and improve, but its improvement thought and design structure, also can be applicable to similar scene, such as car, ship, flight ticket purchase equipment, snack vending machine, cash dispenser etc.

[0029] The above description of the utility model and its implementation mode is not restrictive, and the display shown in the drawings is only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the utility model.

Claims

1. A light interference resistant liquid crystal display screen, comprising a self-service ticket vending machine (1) and a base (3), the self-service ticket vending machine (1) is provided with a display panel (2), characterized in that: the self-service ticket vending machine (1) is installed above one end of the base (3), the base (3) is provided with a canvas sunshade (17) which can help the display panel (2) to shade light, and the base (3) is provided with a support assembly for installing the canvas sunshade (17) and a folding and unfolding assembly which can bear the opening and closing of the canvas sunshade (17) on both sides.

2. The light interference preventing liquid crystal display panel according to claim 1, wherein: The support assembly comprises a plurality of support frames (16), the canvas sunshade (17) is installed on the top of the support frame (16), the bottom end of the support frame (16) on both sides is rotatably connected with a pulley (18), and the top surface of the base (3) is provided with a guide rail (19) matched with the pulley (18).

3. The light interference preventing liquid crystal display panel according to claim 2, wherein: The base (3) and the guide rail (19) are jointly connected with a fixed guide rail (19) and a limiting nut (20) which limits the moving position of the pulley (18) between both ends.

4. The anti-glare liquid crystal display panel of claim 3, wherein: The folding and unfolding assembly comprises a steel structure frame (10), a driving plate (9) and a plurality of support plates (11), the steel structure frame (10) is installed on one side of the self-service ticket vending machine (1), the driving plate (9) is slidably connected on the end of the base (3) away from the self-service ticket vending machine (1), the support plates (11) are arranged in sequence between the steel structure frame (10) and the driving plate (9), and the steel structure frame (10), the driving plate (9) and the support plates (11) are jointly connected with a telescopic frame (13), the telescopic frame (13) is composed of two support rods (14) which are rotatably connected in X shape, the steel structure frame (10), the driving plate (9) and the support plates (11) are provided with sliding grooves (12), the end of the support rod (14) is connected with a clamping block (15) which is slidably connected with the steel structure frame (10), the driving plate (9) or the support plates (11) through cooperation with the sliding groove (12), the support plate (11) is connected with a rod sleeve (21), the bottom of the support frame (16) penetrates through the rod sleeve (21) and is installed on the support plate (11), and the base (3) is connected with a power mechanism which drives the driving plate (9) to move and realizes the telescopic effect of the folding and unfolding mechanism.

5. The anti-glare liquid crystal display panel of claim 4, wherein: The power mechanism comprises a screw rod (4), the screw rod (4) is rotatably connected in the base (3), the base (3) is provided with a motor (5) which is in transmission cooperation with the screw rod (4), the screw rod (4) is threadedly connected with a screw sleeve (6), the base (3) is connected with a slide rail (8) on both sides, and the screw sleeve (6) is connected with a slide rod (7) on both sides, the end of the slide rod (7) penetrates through the side wall of the base (3) through the slide rail (8) and is connected with the driving plate (9).

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