Liquid crystal display screen convenient to fold

By designing a fixing and adjustment mechanism, the portability and angle adjustment issues of the LCD screen were solved, achieving stable fixing and angle adjustment, thus improving ease of use and protection.

CN224245915UActive Publication Date: 2026-05-15DONGGUAN KEAO PHOTOELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN KEAO PHOTOELECTRIC CO LTD
Filing Date
2025-06-16
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing LCD screens are inadequate in terms of portability and angle adjustment, are unstable in use, and are not easy to fold.

Method used

A liquid crystal display screen including a fixing mechanism and an adjustment mechanism was designed. The display screen is stably fixed by a clamping frame and a return spring, and the angle is adjusted and folded for protection by a movable plate and a rotating seat.

Benefits of technology

It achieves stable fixation and angle adjustment of the display screen, improves portability and ease of use, and provides better sealing protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of liquid crystal display screen bodies, and discloses a liquid crystal display screen convenient to fold, which comprises a bottom plate, a cover plate is rotatably connected to the upper portion of the rear end face of the bottom plate, a fixing groove is formed in the lower end face of the cover plate, and a display screen body is arranged in the fixing groove. A fixing mechanism is arranged between the display screen body and the cover plate, an adjusting mechanism is arranged between the cover plate and the bottom plate, the fixing mechanism comprises two clamping frames, the inner walls of the two sides of a fixing groove are each fixedly connected with two fixing cylinders, and one side of each fixing cylinder is provided with an auxiliary groove. According to the folding display screen, the display screen body can be fixed for use and detached for maintenance through the arranged fixing mechanism, better usability is achieved, the angle of the display screen body can be adjusted through the arranged adjusting mechanism, sealing protection can be achieved after the display screen body is folded, and better practicability is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of liquid crystal display screen bodies, and more particularly to a liquid crystal display screen that is easy to fold. Background Technology

[0002] In today's era of rapid digital information development, various electronic devices have become indispensable tools in people's lives and work. As a key output component of electronic devices, the performance and form of LCD screens have always been a focus of attention. With the increasing demand for mobile office and entertainment, people have placed higher demands on the portability of devices. While traditional tablets and laptops are powerful, they have limitations in portability, being relatively large and inconvenient to carry and use anytime, anywhere. Meanwhile, while smartphones are easy to carry, their relatively small screen size makes it difficult to provide a comfortable visual experience and efficient operating space for complex operations. To meet people's dual needs for portability and large-screen display, foldable screen technology has emerged. The easily foldable LCD screen, as the core component of foldable screen technology, is of great significance. It can be folded up when not in use, reducing the size of the device and making it easy to put in a pocket or backpack, improving portability; while when in use, the unfolded screen provides a larger display area to meet users' diverse operating and viewing needs.

[0003] Existing devices typically mount the display screen directly onto an outer protective frame, resulting in instability and a tendency to shift, affecting usability. Furthermore, these devices require manual adjustment of their angle, making them highly inconvenient to use. Therefore, those skilled in the art have provided a foldable liquid crystal display screen to address the problems mentioned in the background section. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a convenient foldable LCD screen. The fixed mechanism allows for the secure use and easy disassembly for maintenance, improving usability. Furthermore, the adjustable mechanism allows for the adjustment of the screen's angle and provides sealing protection after folding, enhancing its practicality.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A foldable liquid crystal display screen includes a base plate, a cover plate rotatably connected to the upper rear end face of the base plate, a fixing groove provided on the lower end face of the cover plate, a display screen body disposed in the fixing groove, a fixing mechanism provided between the display screen body and the cover plate, and an adjustment mechanism provided between the cover plate and the base plate.

[0007] The fixing mechanism includes two clamping frames. Two fixing cylinders are fixedly connected to the inner walls of both sides of the fixing groove. An auxiliary groove is opened on one side of each of the fixing cylinders. A return spring is fixedly connected to the inner wall of one side of each of the auxiliary grooves. A movable rod is fixedly connected to the other end of each of the return springs. The movable rod is fixedly connected to the clamping frame. The clamping frame is snapped onto the display screen body.

[0008] With the above technical solution, when fixing the display screen body in the fixing groove, first push the clamping frame to compress the reset spring. At this time, the distance between the two clamping frames increases. Place the display screen body between the two clamping frames, then release the clamping frame. The reset spring pops out and pushes the clamping frame to move. The clamping frame is locked on the display screen body and can be used to clamp it.

[0009] Furthermore, the adjustment mechanism includes a movable plate, two upper rotating seats, two limiting slide grooves and multiple engaging holes. The two upper rotating seats are respectively fixedly connected to both sides of the lower end face of the cover plate. A connecting chain rod is movably sleeved inside each of the two upper rotating seats. Lower rotating seats are fixedly connected to both sides of the upper end face of the movable plate. The lower ends of the two connecting chain rods are respectively movably sleeved inside the two lower rotating seats.

[0010] Through the above technical solution, by moving the movable plate to the desired position, the position of the lower rotating seat changes synchronously. Under the action of the connecting chain and the upper rotating seat, the tilt of the cover plate can be changed, and thus the angle of the display screen can be adjusted according to the usage requirements.

[0011] Furthermore, adjustment grooves are provided on both outer walls of the movable plate, auxiliary springs are fixedly connected to one inner wall of each of the two adjustment grooves, movable seats are fixedly connected to opposite ends of each of the two auxiliary springs, locking rods are fixedly connected to opposite sides of each of the two movable seats, and multiple locking holes are respectively opened on both sides of the base plate, with the locking rods locking into the locking holes.

[0012] Through the above technical solution, by pressing the locking rod, the moving seat moves and pushes the auxiliary spring to compress, the locking rod retracts into the adjustment groove, the movable plate moves to the required position, and the position of the lower rotating seat changes synchronously. Under the action of the connecting chain and the upper rotating seat, the tilt of the cover plate can be changed, and the angle of the display screen can be adjusted according to the needs of use. Furthermore, the locking setting of the locking rod in the locking hole at the front end can make the cover plate fit snugly with the base plate, and the main body of the display screen is folded and protected.

[0013] Furthermore, auxiliary sliders are fixedly connected to the upper and lower end faces of the movable seat, and auxiliary sliding grooves are provided on the inner walls of the upper and lower ends of the adjustment groove, with the auxiliary sliders slidably disposed in the auxiliary sliding grooves.

[0014] The above technical solution achieves the purpose of limiting the movement of the moving seat by sliding the auxiliary slider in the auxiliary groove.

[0015] Furthermore, limit sliders are fixedly connected to both sides of the lower end face of the movable plate, and two limit grooves are respectively opened on both sides of the upper end face of the base plate, with the limit sliders slidably disposed in the limit grooves;

[0016] The above technical solution achieves the purpose of limiting the movement of the movable plate by sliding the limiting slider in the limiting groove.

[0017] Furthermore, connecting cylinders are fixedly connected to both inner walls of the fixing groove, and connecting rods are movably arranged inside the connecting cylinders. The connecting rods are rotatably connected to the clamping frame. Sliding grooves are opened on one side of the front and rear end faces of the connecting cylinders, and limiting rods are fixedly connected to the front and rear end faces of the connecting rods. The limiting rods are slidably arranged in the sliding grooves. Multiple limiting grooves are opened on the upper inner wall of the sliding grooves, and the limiting rods are engaged in the limiting grooves.

[0018] The above technical solution allows the limiting rod to slide out of the sliding groove and engage in the limiting groove by rotating the connecting rod, thus stably limiting the position of the display screen when the clamping frame is fixed.

[0019] Furthermore, a fixing pad is fixedly connected to the inner wall of the rear end of the fixing groove, and the fixing pad is arranged in contact with the display screen body;

[0020] The above technical solution achieves the purpose of limiting the bottom of the display screen by setting a fixing pad.

[0021] Furthermore, handles are fixedly connected to the front ends of both the cover plate and the base plate, and the two handles are fitted together.

[0022] The device can be easily held using the handle provided by the above technical solution.

[0023] This utility model has the following beneficial effects:

[0024] 1. The present invention proposes a foldable LCD screen. When the main body of the screen is fixed in the fixing groove, the clamping frame is first pushed to compress the return spring. At this time, the distance between the two clamping frames increases. The main body of the screen is placed between the two clamping frames. Then the clamping frame is released, and the return spring pops out and pushes the clamping frame to move. The clamping frame is engaged on the main body of the screen for clamping. The connecting rod is rotated to make the limiting rod slide out from the sliding groove and engage in the limiting groove. The fixed position of the clamping frame provides stable positioning of the screen, which has better usability and convenience.

[0025] 2. This utility model proposes a convenient foldable LCD screen. By pressing the locking rod, the moving seat moves and pushes the auxiliary spring to compress. The locking rod retracts into the adjustment groove, and the movable plate moves to the desired position. The position of the lower rotating seat changes synchronously. Under the action of the connecting chain and the upper rotating seat, the tilt of the cover plate can be changed. Thus, the angle of the display screen can be adjusted according to the needs of use. Furthermore, the locking setting of the locking rod in the locking hole at the front end allows the cover plate to be fitted with the base plate. The main body of the display screen is folded and protected, providing better protection and usability.

[0026] 3. The present invention proposes a foldable LCD screen, which can be fixed and disassembled for maintenance through a fixing mechanism, thus improving usability. Furthermore, the setting of an adjustment mechanism can adjust the angle of the screen body and achieve sealed protection after folding, thus improving practicality. Attached Figure Description

[0027] Figure 1 This is an axonometric view of a foldable liquid crystal display screen proposed in this utility model;

[0028] Figure 2 This is a side sectional view of a foldable liquid crystal display screen proposed in this utility model.

[0029] Figure 3 This is a top view of the base plate of a foldable liquid crystal display screen proposed in this utility model.

[0030] Figure 4 This is a partial top-section schematic diagram of the movable plate of a foldable liquid crystal display screen proposed in this utility model.

[0031] Figure 5 This is a partial orthosectional view of the connection between the cover plate and the main body of a foldable liquid crystal display screen according to the present invention.

[0032] Figure 6 for Figure 5 An enlarged schematic diagram of the structure at point A;

[0033] Figure 7 for Figure 5 An enlarged schematic diagram of the structure at point B.

[0034] Legend:

[0035] 1. Cover plate; 2. Base plate; 3. Handle; 4. Fixing mechanism; 401. Fixing pad; 402. Fixing cylinder; 403. Auxiliary groove; 404. Movable rod; 405. Return spring; 406. Connecting cylinder; 407. Sliding groove; 408. Clamping frame; 409. Connecting rod; 410. Limiting groove; 411. Limiting rod; 5. Adjusting mechanism; 501. Upper rotating seat; 502. Connecting chain rod; 503. Movable plate; 504. Lower rotating seat; 505. Limiting slider; 506. Limiting slide groove; 507. Adjusting groove; 508. Auxiliary spring; 509. Moving seat; 510. Engaging rod; 511. Auxiliary slider; 512. Auxiliary slide groove; 513. Engaging hole; 6. Display screen body; 7. Fixing groove. Detailed Implementation

[0036] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] Reference Figure 1 , Figure 5 , Figure 6 and Figure 7 The present invention provides a specific embodiment of a foldable liquid crystal display screen, including a base plate 2, a cover plate 1 rotatably connected to the upper rear end face of the base plate 2, a fixing groove 7 opened on the lower end face of the cover plate 1, a display screen body 6 disposed in the fixing groove 7, a fixing mechanism 4 disposed between the display screen body 6 and the cover plate 1, an adjustment mechanism 5 disposed between the cover plate 1 and the base plate 2, and a handle 3 fixedly connected to the front end face of both the cover plate 1 and the base plate 2, the two handles 3 being fitted together, and the device can be conveniently held through the handles 3.

[0038] The fixing mechanism 4 includes two clamping frames 408. Two fixing cylinders 402 are fixedly connected to the inner walls of both sides of the fixing groove 7. An auxiliary groove 403 is provided on one side of each of the fixing cylinders 402. A return spring 405 is fixedly connected to the inner wall of one side of each of the auxiliary grooves 403. A movable rod 404 is fixedly connected to the other end of each of the return springs 405. The movable rod 404 is fixedly connected to the clamping frame 408. The clamping frame 408 is snapped onto the display screen body 6. Connecting cylinders 406 are fixedly connected to the inner walls of both sides of the fixing groove 7. A connecting rod 409 is movably disposed within the connecting cylinder 406 and rotatably connected to the clamping frame 408. The front and rear end faces of the connecting cylinder 406 are... Each component is provided with a sliding groove 407. The front and rear ends of the connecting rod 409 are fixedly connected with limiting rods 411. The limiting rods 411 are slidably disposed in the sliding groove 407. The upper inner wall of the sliding groove 407 is provided with multiple limiting grooves 410. The limiting rods 411 are engaged in the limiting grooves 410. By rotating the connecting rod 409, the limiting rods 411 slide out of the sliding groove 407 and are engaged in the limiting grooves 410. The fixed position of the clamping frame 408 provides stable positioning for the display screen. The rear inner wall of the fixed groove 7 is fixedly connected with a fixing pad 401. The fixing pad 401 is in contact with the display screen body 6. The fixing pad 401 can achieve the purpose of limiting the bottom of the display screen.

[0039] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The adjusting mechanism 5 includes a movable plate 503, two upper rotating seats 501, two limiting slide grooves 506, and multiple engaging holes 513. The two upper rotating seats 501 are fixedly connected to both sides of the lower end face of the cover plate 1. Connecting chain rods 502 are movably sleeved within each of the two upper rotating seats 501. Lower rotating seats 504 are fixedly connected to both sides of the upper end face of the movable plate 503. The lower ends of the two connecting chain rods 502 are movably sleeved within the two lower rotating seats 504. By moving the movable plate 503 to the desired position, the position of the lower rotating seats 504 changes synchronously. The connecting chain rods 502 and the upper rotating seats 501... Under its action, the tilt of the cover plate 1 can be changed, thereby adjusting the angle of the display screen according to the usage requirements. Adjustment grooves 507 are provided on both outer walls of the movable plate 503. An auxiliary spring 508 is fixedly connected to the inner wall of one side of each of the two adjustment grooves 507. A movable seat 509 is fixedly connected to the opposite ends of each of the two auxiliary springs 508. A locking rod 510 is fixedly connected to the opposite sides of each of the two movable seats 509. Multiple locking holes 513 are respectively opened on both sides of the base plate 2. The locking rod 510 is locked into the locking hole 513. By pressing the locking rod 510, the movable seat 509... Moving and pushing the auxiliary spring 508 compresses the locking rod 510, which retracts into the adjustment groove 507. Moving the movable plate 503 to the desired position causes the lower rotating seat 504 to change position synchronously. Under the action of the connecting chain 502 and the upper rotating seat 501, the tilt of the cover plate 1 can be changed, thereby adjusting the angle of the display screen according to the usage requirements. The locking setting of the locking rod 510 in the locking hole 513 at the front end allows the cover plate 1 to be fitted with the base plate 2, and the display screen body 6 is folded for protection. The upper and lower end faces of the movable seat 509 are fixedly connected to the auxiliary slider 511, and the adjustment groove 507... The upper and lower inner walls are provided with auxiliary sliding grooves 512, and auxiliary sliders 511 are slidably disposed in the auxiliary sliding grooves 512. By sliding the auxiliary sliders 511 in the auxiliary sliding grooves 512, the purpose of limiting the movement of the movable seat 509 can be achieved. Limiting sliders 505 are fixedly connected to both sides of the lower end face of the movable plate 503. Two limiting sliding grooves 506 are respectively opened on both sides of the upper end face of the base plate 2. Limiting sliders 505 are slidably disposed in the limiting sliding grooves 506. By sliding the limiting sliders 505 in the limiting sliding grooves 506, the purpose of limiting the movement of the movable plate 503 can be achieved.

[0040] Working principle: In use, pushing the clamping frame 408 compresses the return spring 405, increasing the distance between the two clamping frames 408. The display body 6 is then placed between the two clamping frames 408. Releasing the clamping frame 408 causes the return spring 405 to pop out, pushing the clamping frame 408 to move. The clamping frame 408 engages with the display body 6 for clamping. Rotating the connecting rod 409 causes the limiting rod 411 to slide out of the sliding groove 407 and engage with the limiting groove 410. The clamping frame 408's fixed position provides stable positioning of the display. Pressing the engaging rod 510 moves the display body. The seat 509 moves and pushes the auxiliary spring 508 to compress, the locking rod 510 retracts into the adjustment groove 507, the movable plate 503 is moved to the desired position, the locking rod 510 is locked in the corresponding locking hole 513, the position of the lower rotating seat 504 changes synchronously, under the action of the connecting chain 502 and the upper rotating seat 501, the tilt of the cover plate 1 can change, and thus the angle of the display body 6 can be adjusted according to the use requirements. Moreover, the locking setting of the locking rod 510 in the frontmost locking hole 513 can make the cover plate 1 fit against the bottom plate 2, and the display body 6 is folded for protection.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A foldable liquid crystal display screen, comprising a base plate (2), characterized in that: The bottom plate (2) is rotatably connected to the upper part of the rear end face of the cover plate (1). The lower end face of the cover plate (1) is provided with a fixing groove (7). The display screen body (6) is provided in the fixing groove (7). A fixing mechanism (4) is provided between the display screen body (6) and the cover plate (1). An adjustment mechanism (5) is provided between the cover plate (1) and the bottom plate (2). The fixing mechanism (4) includes two clamping frames (408). Two fixing cylinders (402) are fixedly connected to the inner walls of both sides of the fixing groove (7). An auxiliary groove (403) is opened on one side of each of the fixing cylinders (402). A reset spring (405) is fixedly connected to the inner wall of one side of each of the auxiliary grooves (403). A movable rod (404) is fixedly connected to the other end of each of the reset springs (405). The movable rod (404) is fixedly connected to the clamping frame (408). The clamping frame (408) is engaged on the display screen body (6).

2. The foldable liquid crystal display screen according to claim 1, characterized in that: The adjustment mechanism (5) includes a movable plate (503), two upper rotating seats (501), two limiting slide grooves (506), and multiple engaging holes (513). The two upper rotating seats (501) are respectively fixedly connected to the lower end face of the cover plate (1). A connecting chain rod (502) is movably sleeved in each of the two upper rotating seats (501). Lower rotating seats (504) are fixedly connected to the upper end face of the movable plate (503). The lower ends of the two connecting chain rods (502) are respectively movably sleeved in the two lower rotating seats (504).

3. A foldable liquid crystal display screen according to claim 2, characterized in that: The two outer walls of the movable plate (503) are provided with adjustment grooves (507). The inner walls of one side of the two adjustment grooves (507) are fixedly connected with auxiliary springs (508). The opposite ends of the two auxiliary springs (508) are fixedly connected with movable seats (509). The opposite sides of the two movable seats (509) are fixedly connected with locking rods (510). Multiple locking holes (513) are respectively opened on both sides of the base plate (2). The locking rods (510) are locked in the locking holes (513).

4. A foldable liquid crystal display screen according to claim 3, characterized in that: The upper and lower end faces of the movable seat (509) are fixedly connected with auxiliary sliders (511), and the inner walls of the upper and lower ends of the adjustment groove (507) are provided with auxiliary sliding grooves (512). The auxiliary sliders (511) are slidably disposed in the auxiliary sliding grooves (512).

5. A foldable liquid crystal display screen according to claim 2, characterized in that: Limiting sliders (505) are fixedly connected to both sides of the lower end face of the movable plate (503), and two limiting grooves (506) are respectively opened on both sides of the upper end face of the base plate (2). The limiting sliders (505) are slidably arranged in the limiting grooves (506).

6. A foldable liquid crystal display screen according to claim 1, characterized in that: The inner walls of both sides of the fixed groove (7) are fixedly connected to a connecting cylinder (406). A connecting rod (409) is movably arranged inside the connecting cylinder (406). The connecting rod (409) is rotatably connected to the clamping frame (408). A sliding groove (407) is opened on one side of the front and rear end faces of the connecting cylinder (406). A limiting rod (411) is fixedly connected to the front and rear end faces of the connecting rod (409). The limiting rod (411) is slidably arranged in the sliding groove (407). A plurality of limiting grooves (410) are opened on the upper inner wall of the sliding groove (407). The limiting rod (411) is engaged in the limiting groove (410).

7. A foldable liquid crystal display screen according to claim 1, characterized in that: A fixing pad (401) is fixedly connected to the inner wall of the rear end of the fixing groove (7), and the fixing pad (401) is in contact with the display screen body (6).

8. A foldable liquid crystal display screen according to claim 1, characterized in that: The front ends of the cover plate (1) and the bottom plate (2) are both fixedly connected with handles (3), and the two handles (3) are fitted together.