Bottom shell structure for large-size flexible screen

Abstract

The utility model relates to the technical field of flexible screens, in particular to a bottom shell structure for a large-size flexible screen, which is characterized in that two ends of a rotating shaft mechanism are respectively connected with a first extension plate and a second extension plate, and a plurality of movable components are arranged between the first extension plate and the rotating shaft mechanism; a plurality of movable assemblies are arranged between the second extension plate and the rotating shaft mechanism, and the movable assemblies are used for controlling the first extension plate and the second extension plate to move; the first extending plate and the second extending plate are each provided with a connecting groove, the movable assemblies are located in the connecting grooves, connecting columns are arranged in the connecting grooves, connecting holes are formed in the movable assemblies, and the connecting columns are connected into the connecting holes. Compared with the prior art, the bottom shell structure for the large-size flexible screen has the advantages that the overall size can be adjusted when the bottom shell structure is bent, the extension effect is achieved, the larger screen bending space and angle are obtained, and the use experience feeling of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flexible screens, and in particular to a bottom shell structure for large-size flexible screens. Background Art

[0002] With the rapid development of science and technology, people's pursuit of display screens is not limited to curved screens. Flexible screens are a further extension of people's demand for curved screens, and can also be said to be people's pursuit of display screens. Flexible screens are generally made of materials with excellent flexibility. They have the characteristics of low power consumption and bendability. They can be used to change their appearance according to their own needs to meet personal use. They can be widely used in personal smart terminals or wearable devices.

[0003] With current technology, the flexible screen shell cannot change its length in the bending direction when the flexible screen is bent. In particular, the angle of bending of a large-size screen is very limited, and the user experience of the curved screen is poor. Utility Model Content

[0004] In order to overcome the above problems, the utility model proposes a bottom shell structure for a large-size flexible screen that can effectively solve the above problems.

[0005] The utility model provides a technical solution to solve the above-mentioned technical problems: a bottom shell structure for a large-size flexible screen is provided, including a hinge mechanism, wherein the two ends of the hinge mechanism are respectively connected to a first extension plate and a second extension plate, a plurality of movable components are arranged between the first extension plate and the hinge mechanism, and a plurality of movable components are arranged between the second extension plate and the hinge mechanism, and the movable components are used to control the movement of the first extension plate and the second extension plate; connecting grooves are arranged on the first extension plate and the second extension plate, the movable components are located in the connecting grooves, connecting columns are arranged in the connecting grooves, connecting holes are arranged on the movable components, and the connecting columns are connected to the connecting holes.

[0006] Preferably, the rotating shaft mechanism comprises a plurality of flexible chains, and fixing platforms are arranged on both sides of the ends of the flexible chains, and fixing holes are arranged on the fixing platforms, and the movable components are connected to the fixing holes by screws.

[0007] Preferably, a rotating shaft is provided on the side of the flexible chain, a supporting plate is connected to the rotating shaft, and the supporting plate is located between two adjacent flexible chains.

[0008] Preferably, the movable component includes a fixed base plate, which is fixedly connected to a fixed platform by screws; a bearing seat is provided on the fixed base plate, a screw is rotatably connected to the bearing seat, a gear is fixed to the end of the screw, a first external tooth is provided on the outside of the gear, and a second external tooth is provided on the end of the flexible chain, and the second external tooth is meshingly connected to the first external tooth.

[0009] Preferably, a slide groove is provided on the fixed base plate, a slider is slidably connected in the slide groove, a movable part is sleeved on the screw rod, the movable part is meshingly connected with the screw rod, the rotation of the screw rod drives the movable part to move back and forth, the movable part is connected to the slider, and the movable part drives the slider to slide back and forth.

[0010] Preferably, the connecting hole is arranged on the sliding block.

[0011] Preferably, a limiting column is arranged in the slide groove, a strip-shaped limiting hole is arranged on the slide block, and the limiting column is located in the strip-shaped limiting hole.

[0012] Preferably, a movable column is fixed on the movable member, an arc-shaped movable hole is provided on the sliding block, and the movable column is located in the arc-shaped movable hole.

[0013] Compared with the prior art, the active component of the bottom shell structure of the utility model for a large-size flexible screen can control the movement of the first extension plate and the second extension plate, thereby adjusting the distance between the first extension plate and the pivot mechanism, and adjusting the distance between the second extension plate and the pivot mechanism. The overall size can be adjusted when bending, thereby achieving an extension effect to obtain a larger screen bending space and angle, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall diagram of the bottom shell structure of the utility model for a large-size flexible screen;

[0015] Figure 2 This is an exploded view of the bottom shell structure of the utility model for a large-size flexible screen;

[0016] Figure 3 This is a three-dimensional diagram of the rotating shaft mechanism of the bottom shell structure used for a large-size flexible screen of the utility model;

[0017] Figure 4 for Figure 2 Enlarged view of point A in the middle;

[0018] Figure 5 for Figure 3 Enlarged view of point B in the middle. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are limited to relative positions on the specified view rather than absolute positions.

[0021] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0022] See also Figures 1 to 5 The bottom shell structure for a large-size flexible screen of the utility model is suitable for a flexible flat screen, and includes a hinge mechanism 30, wherein the two ends of the hinge mechanism 30 are respectively connected to a first extension plate 10 and a second extension plate 20, and a plurality of movable components 50 are arranged between the first extension plate 10 and the hinge mechanism 30, and a plurality of movable components 50 are arranged between the second extension plate 20 and the hinge mechanism 30, and the movable components 50 are used to control the movement of the first extension plate 10 and the second extension plate 20, so as to adjust the distance between the first extension plate 10 and the hinge mechanism 30, and adjust the distance between the second extension plate 20 and the hinge mechanism 30, and the overall size can be adjusted when bending, so as to achieve an extension effect, so as to obtain a larger screen bending space and angle, and improve the user experience.

[0023] The first extension plate 10 and the second extension plate 20 are both provided with a connecting groove 60 , the movable component 50 is located in the connecting groove 60 , a connecting column 61 is provided in the connecting groove 60 , a connecting hole 573 is provided on the movable component 50 , and the connecting column 61 is connected to the connecting hole 573 .

[0024] At least three movable components 50 are disposed between the first extension plate 10 and the rotating shaft mechanism 30 , and at least three movable components 50 are disposed between the second extension plate 20 and the rotating shaft mechanism 30 , and are evenly distributed to make the bending force more uniform.

[0025] The rotating shaft mechanism 30 includes a plurality of flexible chains 31 . A fixing platform 34 is disposed on both sides of the ends of the flexible chain 31 . A fixing hole 341 is disposed on the fixing platform 34 . The movable component 50 is connected to the fixing hole 341 by screws.

[0026] A rotating shaft 33 is disposed on the side of the flexible chain 31 , and a supporting plate 32 is connected to the rotating shaft 33 . The supporting plate 32 is located between two adjacent flexible chains 31 , so that the rotating shaft mechanism 30 is more integrated, and the entire rotating shaft mechanism 30 can be bent.

[0027] There are at least three flexible chains 31 , and each flexible chain 31 is composed of a plurality of chain segments, which are connected end to end and connected into one body through a rotating shaft 33 .

[0028] The movable assembly 50 includes a fixed base plate 51 , and the fixed base plate 51 is fixedly connected to the fixed platform 34 by screws.

[0029] A bearing seat 52 is provided on the fixed base plate 51, and a screw rod 53 is rotatably connected to the bearing seat 52. A gear 55 is fixed to the end of the screw rod 53, and a first external tooth 551 is provided on the outside of the gear 55. A second external tooth 311 is provided on the end of the flexible chain 31, and the second external tooth 311 is meshed and connected with the first external tooth 551.

[0030] The fixed base plate 51 is provided with a slide groove, in which a slider 57 is slidably connected, and a movable member 54 is sleeved on the screw rod 53, and the movable member 54 is meshedly connected with the screw rod 53. The screw rod 53 rotates to drive the movable member 54 to move back and forth, and the movable member 54 is connected with the slider 57, and the movable member 54 drives the slider 57 to slide back and forth. The connecting hole 573 is provided on the slider 57, and the slider 57 drives the first extension plate 10 and the second extension plate 20 to perform telescopic movement relative to the rotating shaft mechanism 30.

[0031] A limiting column 56 is disposed in the slide groove, and a strip-shaped limiting hole 572 is disposed on the slider 57 . The limiting column 56 is located in the strip-shaped limiting hole 572 to control the sliding direction of the slider 57 .

[0032] A movable column 541 is fixed on the movable member 54, and an arc-shaped movable hole 571 is provided on the slider 57. The movable column 541 is located in the arc-shaped movable hole 571. When the movable member 54 drives the movable column 541 to move, the movable column 541 applies force to the arc-shaped movable hole 571 to drive the slider 57 to move along the direction of the strip-shaped limiting hole 572.

[0033] Compared with the prior art, the active component 50 of the bottom shell structure of the utility model for a large-size flexible screen can control the movement of the first extension plate 10 and the second extension plate 20, thereby adjusting the distance between the first extension plate 10 and the hinge mechanism 30, and adjusting the distance between the second extension plate 20 and the hinge mechanism 30. The overall size can be adjusted during bending to achieve an extension effect, so as to obtain a larger screen bending space and angle, thereby improving the user experience.

[0034] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any modifications, equivalent substitutions and improvements made within the concept of the present invention should be included in the patent protection scope of the present invention.

Claims

1. A bottom shell structure for a large-size flexible screen, characterized in that: It includes a rotating shaft mechanism, wherein two ends of the rotating shaft mechanism are respectively connected to a first extension plate and a second extension plate, a plurality of movable components are arranged between the first extension plate and the rotating shaft mechanism, and a plurality of movable components are arranged between the second extension plate and the rotating shaft mechanism, and the movable components are used to control the movement of the first extension plate and the second extension plate; The first extension plate and the second extension plate are both provided with connection grooves, the movable component is located in the connection grooves, a connection column is provided in the connection grooves, a connection hole is provided on the movable component, and the connection column is connected to the connection hole.

2. The bottom shell structure for a large-size flexible screen according to claim 1, characterized in that: The rotating shaft mechanism comprises a plurality of flexible chains, and fixing platforms are arranged on both sides of the ends of the flexible chains. The fixing platforms are provided with fixing holes, and the movable components are connected to the fixing holes by screws.

3. The bottom shell structure for a large-size flexible screen according to claim 2, characterized in that: A rotating shaft is arranged on the side of the flexible chain, a supporting plate is connected to the rotating shaft, and the supporting plate is located between two adjacent flexible chains.

4. The bottom shell structure for a large-size flexible screen according to claim 2, characterized in that: The movable component includes a fixed base plate, which is fixedly connected to a fixed platform by screws; a bearing seat is arranged on the fixed base plate, a screw is rotatably connected to the bearing seat, a gear is fixed to the end of the screw, a first external tooth is arranged on the outside of the gear, and a second external tooth is arranged on the end of the flexible chain, and the second external tooth is meshingly connected with the first external tooth.

5. The bottom shell structure for a large-size flexible screen according to claim 4, characterized in that: The fixed base plate is provided with a slide groove, a slider is slidably connected in the slide groove, a movable part is sleeved on the screw rod, the movable part is meshed and connected with the screw rod, the screw rod rotates to drive the movable part to move back and forth, the movable part is connected with the slider, and the movable part drives the slider to slide back and forth.

6. The bottom shell structure for a large-size flexible screen according to claim 5, characterized in that: The connecting hole is arranged on the sliding block.

7. The bottom shell structure for a large-size flexible screen according to claim 5, characterized in that: A limiting column is arranged in the slide groove, a strip-shaped limiting hole is arranged on the slide block, and the limiting column is located in the strip-shaped limiting hole.

8. The bottom shell structure for a large-size flexible screen according to claim 5, characterized in that: A movable column is fixed on the movable member, an arc-shaped movable hole is arranged on the sliding block, and the movable column is located in the arc-shaped movable hole.

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