Combined liquid crystal display screen

Abstract

The utility model relates to the technical field of liquid crystal display screens, and discloses a combined liquid crystal display screen which comprises a bottom frame, a bottom box is fixedly installed on the top of the bottom frame, and a middle screen is fixedly installed on the top of the bottom box. The left end and the right end of the middle screen are fixedly connected with fixing sleeves and rotationally connected with side screens through the fixing sleeves and hinge assemblies rotationally connected in the fixing sleeves, gears are fixedly connected to the bottoms of the hinge assemblies, and racks are connected to the outer side walls of the gears in an engaged mode. The power input ends of the racks at the left end and the right end are connected with the power output end of a bidirectional linear displacement driving assembly, and the racks at the left end and the right end are connected to the inner side wall of the bottom box in a sliding mode through sliding assemblies. The bidirectional linear displacement driving assembly and the gear rack transmission assembly are matched to drive the side screens on the two sides to rotate by a certain angle at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display screen technical field, concretely is a combined liquid crystal display screen. BACKGROUND

[0002] A combined liquid crystal display screen refers to a display screen combined by multiple liquid crystal display main bodies, each liquid crystal display main body can be an independent display panel or a display unit composed of multiple small-size liquid crystal display modules. The combined liquid crystal display screen can realize a larger display area through the arrangement and combination of multiple liquid crystal display main bodies, and is widely applied in large-screen televisions, projectors, indoor and outdoor billboards and other fields, and can provide larger visual effects and more extensive applications.

[0003] The existing combined liquid crystal display screen cannot rotate multiple small-size liquid crystal display modules to adapt to various use scenarios, and the display screen combined by multiple liquid crystal display main bodies can only be fixedly arranged and has a single use scenario. UTILITY MODEL CONTENT

[0004] The utility model discloses a combined liquid crystal display screen, the combined liquid crystal display screen of the utility model discloses that the left and right sides of the middle screen are hinged with the edge screen, can pass through the cooperation of the bidirectional linear displacement drive assembly and the gear and rack transmission assembly, drive both sides edge screen to rotate simultaneously certain angle, to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a combined liquid crystal display screen, comprising a chassis, a bottom box is fixedly installed at the top of the chassis, a middle screen is fixedly installed at the top of the bottom box, a fixed sleeve is fixedly connected to the left and right ends of the middle screen, and an edge screen is rotatably connected to the fixed sleeve, a gear is fixedly connected to the bottom of the hinge assembly, a rack is meshed and connected to the outer side wall of the gear, the power input end of the rack at the left and right ends is connected with the power output end of the bidirectional linear displacement drive assembly, and the rack at the left and right ends is slidably connected to the inner side wall of the bottom box through a sliding assembly.

[0006] Preferably, the hinge assembly comprises a hinge rod rotatably connected in the fixed sleeve, end heads are fixedly connected to the top and bottom of the hinge rod, and the bottom end head is fixedly connected with a gear.

[0007] Preferably, the sliding assembly comprises a guide rod fixedly installed on the inner side wall of the bottom box, a guide sleeve is slidably connected to the outer side wall of the guide rod, and the guide sleeve is fixedly installed on the outer side wall of the rack.

[0008] Preferably, the bidirectional linear displacement driving assembly comprises a bidirectional screw rod rotatably connected to the inner side wall of the bottom box, and a power output end of the electric motor is connected to a power input end of the bidirectional screw rod.

[0009] Preferably, the left-handed thread end and the right-handed thread end of the bidirectional screw rod are both threadedly connected with a screw rod sleeve, and the screw rod sleeve is fixedly installed at the bottom of the rack.

[0010] Preferably, the fixing sleeve and the hinged assembly are both made of metal.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a combined liquid crystal display screen, which is provided with a side screen on the left side and the right side of the middle screen, and the side screens are hinged to the middle screen. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the cross section structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the cross section structure of the utility model;

[0016] Figure 4 It is Figure 3 It is a schematic diagram of the structure of the middle A.

[0017] In the figure: 1, middle screen; 2, fixing sleeve; 3, hinged assembly; 301, end; 302, hinged rod; 4, side screen; 5, bottom box; 6, electric motor; 7, bottom frame; 8, gear; 9, rack; 10, guide rod; 11, guide sleeve; 12, bidirectional screw rod; 13, screw rod sleeve. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figures 1-4The utility model discloses a kind of combined liquid crystal display screen in the drawing, including chassis 7, the bottom box 5 of top fixed mounting of chassis 7, the middle screen 1 of top fixed mounting of bottom box 5, the fixed sleeve 2 of both ends of middle screen 1 is fixedly connected with and is rotatably connected with the hinge assembly 3 of its inside rotatably connected with and is rotatably connected with the edge screen 4 of fixed sleeve 2, the gear 8 of hinge assembly 3 bottom is fixedly connected, the outer side wall of gear 8 is engaged with rack 9, the power input end of left and right two ends of rack 9 is connected with the power output end of bidirectional linear displacement driving assembly, and left and right two ends of rack 9 are slidably connected in the inner side wall of bottom box 5 by sliding assembly, the utility model discloses a combined liquid crystal display screen middle screen 1 both sides are hinged with edge screen 4, can be driven by the cooperation of bidirectional linear displacement driving assembly and gear 8 rack 9 transmission assembly, drive both sides edge screen 4 to rotate certain angle simultaneously, rotatable design can realize more flexible information display in limited space, especially suitable for use in narrow environment.

[0020] Further, hinge assembly 3 includes rotatably connected in fixed sleeve 2 hinge rod 302, hinge rod 302 top and bottom are fixedly connected with end 301, bottom end 301 bottom is fixedly connected with gear 8, and it is convenient for edge screen 4 to rotate;Further, sliding assembly includes fixedly installed in the inner side wall of bottom box 5 guide rod 10, guide rod 10 outer side wall is slidably connected with guide sleeve 11, and guide sleeve 11 is fixedly installed in the outer side wall of rack 9, so that rack 9 can be translated smoothly;Further, bidirectional linear displacement driving assembly includes the bidirectional screw rod 12 of rotatably connected in the inner side wall of bottom box 5, the power output end of electric motor 6 is connected to the power input end of bidirectional screw rod 12, to facilitate drive;Further, the left-hand thread end and right-hand thread end of bidirectional screw rod 12 are threadedly connected with screw rod sleeve 13, and screw rod sleeve 13 is fixedly installed in the bottom of rack 9, to facilitate transmission;Further, fixed sleeve 2 and hinge assembly 3 are made of metal material, and service life is long.

[0021] In this solution, during use, the combined LCD display screen disclosed in this utility model has side screens 4 hinged to both sides of the middle screen 1. These side screens 4 can be rotated simultaneously by a bidirectional linear displacement drive assembly and a gear 8 and rack 9 transmission assembly. The rotatable design allows for more flexible information display within a limited space, making it particularly suitable for use in confined environments. When the user needs to rotate the side screens 4 by a certain angle, an external power supply is activated, and the motor 6 is turned on via an external switch, causing it to rotate clockwise. The motor 6 drives the bidirectional threaded screw 12 to rotate clockwise. Since both the left-hand and right-hand threaded ends of the bidirectional threaded screw 12 are threadedly connected... The lead screw sleeve 13 is fixedly installed at the bottom of the rack 9. The lead screw sleeves 13 at both ends are simultaneously screwed into the two ends of the bidirectional threaded lead screw 12. Since the racks 9 at both ends are slidably connected to the inner side wall of the bottom box 5 through the sliding component, the racks 9 at both ends move to both ends at the same time. The left rack 9 drives the left gear 8 to rotate counterclockwise, and the right rack 9 drives the right gear 8 to rotate clockwise. Since the hinge component 3 of the side screens 4 at both ends is fixedly installed with gear 8, the side screens 4 at both ends rotate simultaneously towards the middle screen 1. When the required angle is reached, the motor 6 can be turned off (the middle screen 1, side screens 4 and motor 6 are all existing products on the market).

[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A modular liquid crystal display screen, comprising a base frame (7), characterized in that: The base frame (7) is fixedly installed with a base box (5) on top. The base box (5) is fixedly installed with a middle screen (1) on top. The middle screen (1) is fixedly connected to a fixed sleeve (2) on both the left and right ends. The side screen (4) is rotatably connected to the fixed sleeve (2) and the hinge assembly (3) rotatably connected inside it. The bottom of the hinge assembly (3) is fixedly connected with a gear (8). The outer wall of the gear (8) is meshed with a rack (9). The power input end of the rack (9) on both the left and right ends is connected to the power output end of the bidirectional linear displacement drive assembly. The rack (9) on both the left and right ends is slidably connected to the inner wall of the base box (5) through a sliding assembly.

2. The combined liquid crystal display screen according to claim 1, characterized in that: The hinge assembly (3) includes a hinge rod (302) rotatably connected in the fixed sleeve (2), and an end (301) is fixedly connected to the top and bottom of the hinge rod (302), and a gear (8) is fixedly connected to the bottom of the end (301).

3. A combined liquid crystal display screen according to claim 1, characterized in that: The sliding assembly includes a guide rod (10) fixedly installed on the inner side wall of the base box (5), and a guide sleeve (11) slidably connected to the outer side wall of the guide rod (10), and the guide sleeve (11) fixedly installed on the outer side wall of the rack (9).

4. A combined liquid crystal display screen according to claim 1, characterized in that: The bidirectional linear displacement drive assembly includes a bidirectional threaded screw (12) rotatably connected to the inner wall of the base box (5), and the power input end of the bidirectional threaded screw (12) is connected to the power output end of the motor (6).

5. A combined liquid crystal display screen according to claim 4, characterized in that: The left-hand threaded end and the right-hand threaded end of the bidirectional threaded screw (12) are both threadedly connected to a screw sleeve (13), and the screw sleeve (13) is fixedly installed at the bottom of the rack (9).

6. A combined liquid crystal display screen according to claim 1, characterized in that: Both the fixed sleeve (2) and the hinge assembly (3) are made of metal.

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