Universal display board

Abstract

The utility model relates to the technical field of display boards, and discloses a universal display board which comprises a board body, a support is fixedly connected to the outer wall of the board body, a first fixing clamp is hinged to the outer wall of the upper portion of the board body, a fixing rod is connected to the inner wall of a sliding block in a sliding mode, and the side wall of the fixing rod is elastically connected to the outer wall of the sliding block through a first spring. A connecting rod is fixedly connected to the outer wall of the bottom of the sliding block, and a second fixing clamp is hinged to the outer wall of the connecting rod through a torsional spring. When the general display board is used and a drawing needs to be fixed, the first fixing clamp is used for clamping one end of the drawing, then the sliding block slides to the other end of the drawing through the guide groove, then the sliding block is fixed, and finally the other end of the drawing is clamped by the second fixing clamp, so that the drawing is fixed. Therefore, the problem that drapes or drawings with large specifications are inconvenient to display is solved.

Description

Technical Field

[0001] This utility model relates to the field of display board technology, and in particular to a general-purpose display board. Background Technology

[0002] A display board is a flat tool used for information presentation, typically consisting of a board, stand, or wall surface. It conveys content visually by displaying pictures, text, charts, and other visual elements. Widely used in schools, businesses, and exhibitions, it serves as a bulletin board, whiteboard for classrooms, and project presentation board. Characterized by its simplicity, ease of updating, and visual focus, it effectively assists in demonstrations, announcements, explanations, and the presentation of results, making it an important medium for communication and information display.

[0003] Existing display boards typically use fixed-position clamping structures to hold drawings in place. These clamping points cannot be adjusted according to the actual size of the drawings, making it difficult to effectively adapt to drawings of different sizes. For drawings with wrinkles, traditional clamping methods cannot fully flatten them, affecting the display effect. For larger drawings, the distance between the clamping points is insufficient, making it difficult to reliably secure both ends of the drawing simultaneously, leading to slippage or curling and incomplete display. Furthermore, existing structures lack an overall tension adjustment mechanism for the drawings, making it impossible to adjust the flatness after fixing, further limiting the applicability of display boards in scenarios requiring clear display of drawing details, such as engineering cost estimation. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a universal display board, which aims to improve the problems of existing display boards being inconvenient for displaying folded or large-sized drawings and the limited space for writing and explaining after displaying drawings.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a general display board, comprising a board body, a bracket fixedly connected to the outer wall of the board body, a first fixing clamp hinged to the upper outer wall of the board body, a guide groove provided on the front outer wall of the board body, a slider slidably connected to the outer wall of the guide groove, a fixing rod slidably connected to the inner wall of the slider, the side wall of the fixing rod being elastically connected to the outer wall of the slider by a first spring, a connecting rod fixedly connected to the bottom outer wall of the slider, and a second fixing clamp hinged to the outer wall of the connecting rod by a torsion spring.

[0006] A sub-plate is slidably connected to the inner wall of the plate, and a sliding rod is fixedly connected to the outer wall of the sub-plate. A fixing buckle is slidably connected to the outer wall of the sliding rod, and the fixing buckle is elastically connected to the outer wall of the sub-plate by a second spring. A rack is fixedly connected to the outer wall of the sub-plate, and the rack meshes with a gear. The gear is rotatably connected to the inner wall of the plate, and a roller is rotatably connected to the bottom of the sub-plate.

[0007] As a further description of the above technical solution: the first fixing clamp is hinged to the outer wall of the plate using a torsion spring of the same type.

[0008] As a further description of the above technical solution: the plate body is provided with several sets of fixing slots, and the several sets of fixing slots are arranged in a straight line and penetrate through the inner wall of the plate body, and the outer wall of the fixing rod is engaged with the inner wall of the fixing slot.

[0009] As a further description of the above technical solution: the plate body is configured with a cavity structure, the sub-plate and the rack are provided with two sets, and the two sets of racks are meshed on the outer wall of the gear in an upper and lower position, and the sub-plate is slidably connected to the inside of the plate body through rollers.

[0010] As a further description of the above technical solution: a limiting slot is provided on the lower part of the outer wall of the plate, the fixing buckle is engaged with the inner wall of the limiting slot, and the sliding rod is slidably connected in the inner wall of the plate.

[0011] As a further description of the above technical solution: one end of the first spring is fixedly connected to the side wall of the fixed rod, and the other end of the first spring is fixedly connected to the outer wall of the slider.

[0012] As a further description of the above technical solution: one end of the second spring is fixedly connected to the outer wall of the fixing buckle, and the other end of the second spring is fixedly connected to the outer wall of the sub-plate.

[0013] This utility model has the following beneficial effects:

[0014] 1. This is a general-purpose display board. When it is necessary to fix the drawing, the first fixing clip is used to clamp one end of the drawing. Then, the sliding slider is slid through the guide groove to the other end of the drawing. The slider is then fixed. Finally, the other end of the drawing is clamped with the second fixing clip to complete the fixing of the drawing. This solves the problem of not being able to display folded or large-sized drawings.

[0015] 2. This is a general-purpose display board. When space is limited after displaying drawings, the sliding rod moves the sub-board outward via rollers. Simultaneously, the sliding rod moves the sub-board and the rack on the back. As the rack moves, it drives the gears to rotate, causing the rack on the other side to move outward as well. This movement of the rack on the other side moves the sub-board on the other side outward, thus solving the problem of limited space for writing and explaining after displaying drawings. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a general-purpose display board proposed in this utility model;

[0017] Figure 2This is a schematic diagram of the plate body and the second fixing clip of a universal display board proposed in this utility model;

[0018] Figure 3 This utility model proposes a universal display board. Figure 2 Enlarged structural diagram of section A;

[0019] Figure 4 This is a schematic diagram of a connecting rod and guide groove for a universal display board proposed in this utility model;

[0020] Figure 5 This utility model proposes a universal display board. Figure 4 Enlarged structural diagram of section A;

[0021] Figure 6 This is a schematic diagram of a sub-plate and gears of a general-purpose display board proposed in this utility model.

[0022] Legend:

[0023] 1. Plate; 2. Bracket; 3. Second fixing clamp; 4. Sliding rod; 5. Fixing buckle; 6. Second spring; 7. Limiting slot; 8. First fixing clamp; 9. Connecting rod; 10. Fixing rod; 11. Slider; 12. First spring; 13. Torsion spring; 14. Fixing slot; 15. Guide groove; 16. Rack; 17. Gear; 18. Roller; 19. Sub-plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figures 1-6This utility model provides an embodiment of a universal display board, comprising a board body 1. The board body 1 has several sets of fixing slots 14 arranged in a straight line, penetrating the inner wall of the board body 1. A fixing rod 10 is engaged with the inner wall of the fixing slot 14, thus limiting and fixing a slider 11. A bracket 2 is fixedly connected to the outer wall of the board body 1. A first fixing clip 8 is hinged to the upper outer wall of the board body 1 using a torsion spring 13 of the same type, which can fix one end of a drawing. A guide groove 15 is provided on the front outer wall of the board body 1, which limits and guides the slider 11. The slider 11 is slidably connected to the outer wall of the guide groove 15. The slider 11 can drive the connecting rod 9 to move and adjust the distance between the second fixed clamp 3 and the first fixed clamp 8. The inner wall of the slider 11 is slidably connected to the fixed rod 10. The side wall of the fixed rod 10 is elastically connected to the outer wall of the slider 11 by the first spring 12. One end of the first spring 12 is fixedly connected to the side wall of the fixed rod 10, and the other end of the first spring 12 is fixedly connected to the outer wall of the slider 11. The first spring 12 ensures the stable connection between the fixed rod 10 and the slider 11 and prevents the fixed rod 10 from falling off. The bottom outer wall of the slider 11 is fixedly connected to the connecting rod 9. The movement of the connecting rod 9 can drive the second fixed clamp 3 to adjust the distance between it and the first fixed clamp 8. The outer wall of the connecting rod 9 is hinged to the second fixed clamp 3 by the torsion spring 13. The torsion spring 13 can make the first fixed clamp 8 and the second fixed clamp 3 clamp normally.

[0026] Furthermore, a secondary plate 19 is slidably connected to the inner wall of the board body 1. The secondary plate 19 can be extended outwards on both sides to form an integral part with the board body 1, increasing the writing and explanation area. The interior of the board body 1 is designed as a cavity structure. A limiting slot 7 is opened at the bottom of the outer wall of the board body 1. Two sets of secondary plates 19 and racks 16 are provided. The secondary plate 19 is slidably connected to the interior of the board body 1 via rollers 18. A sliding rod 4 is fixedly connected to the outer wall of the secondary plate 19. When the sliding rod 4 moves, it can drive the secondary plate 19 to move. The sliding rod 4 is slidably connected to the inner wall of the board body 1. A fixing buckle 5 is slidably connected to the outer wall of the sliding rod 4. The fixing buckle 5 is engaged with the inner wall of the limiting slot 7. The fixing buckle 5 can limit and fix the secondary plate 19 by engaging with the limiting slot 7. The fixing buckle 5 is elastically connected to the outer wall of the secondary plate 19 by a second spring 6. On the wall, one end of the second spring 6 is fixedly connected to the outer wall of the fixed buckle 5, and the other end of the second spring 6 is fixedly connected to the outer wall of the sub-plate 19. The second spring 6 ensures the stable connection of the fixed buckle 5 to the limiting slot 7 and prevents the fixed buckle 5 from falling off. The outer wall of the sub-plate 19 is fixedly connected to a rack 16, and two sets of racks 16 are meshed on the outer wall of the gear 17 in an up-down shape. The racks 16 move to both ends by rotating the gear 17. The racks 16 mesh with the gear 17, and the rotation of the gear 17 can drive the racks 16 to move to both ends. The gear 17 is rotatably connected to the inner wall of the plate 1. The bottom of the sub-plate 19 is rotatably connected to a roller 18. The roller 18 rolls on the plate 1, thereby reducing the friction of the sub-plate 19 sliding on the plate 1 and making the sliding of the sub-plate 19 more convenient.

[0027] In this invention, when it is necessary to hold the drawing, firstly, the first fixing clip 8 is used to clamp one end of the drawing, the fixing rod 10 is pulled out, and then the slider 11 is moved. The slider 11 drives the connecting rod 9 and the second fixing clip 3 to move to the other end of the drawing. The fixing rod 10 is then put back and engaged with the plate 1, and then the second fixing clip 3 is used to clamp the other end of the drawing. At the end of the explanation, firstly, the second fixing clip 3 is released to release the fixation of the second fixing clip 3 to one end of the drawing, and then the first fixing clip 8 is opened to remove the drawing.

[0028] When there is insufficient space for explaining with drawings, pull out the fixing buckle 5, slide the sliding rod 4 to the right. As the sliding rod 4 slides, it drives the sub-plate 19 to move to the right as well. One sub-plate 19 drives the rack 16 to move. When the rack 16 moves, it causes the gear 17 to rotate and drives the lower rack 16 to move to the other side. The lower rack 16 drives the other sub-plate 19 to move to the other side, so that when the sliding rod 4 slides to the right, the two sub-plates 19 unfold together. Finally, put the fixing buckle 5 into the limiting slot 7. At the end of the explanation, pull out the fixing buckle 5, slide the sliding rod 4 to the left. As the sliding rod 4 slides, it drives the sub-plate 19 to move to the left. One sub-plate 19 drives the rack 16 to move. When the rack 16 moves, it causes the gear 17 to rotate and drives the lower rack 16 to move to the other side. The lower rack 16 drives the other sub-plate 19 to move to the other side, so that when the sliding rod 4 slides to the left, both sub-plates 19 are retracted into the plate body 1. Finally, put the fixing buckle 5 into the limiting slot 7.

[0029] 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 embodiments, those skilled in the art can still modify the technical solutions described in the foregoing 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 universal display board, comprising a board body (1), characterized in that: The outer wall of the plate (1) is fixedly connected to a bracket (2), the upper outer wall of the plate (1) is hinged to a first fixing clip (8), the front outer wall of the plate (1) is provided with a guide groove (15), the outer wall of the guide groove (15) is slidably connected to a slider (11), the inner wall of the slider (11) is slidably connected to a fixing rod (10), the side wall of the fixing rod (10) is elastically connected to the outer wall of the slider (11) by a first spring (12), the bottom outer wall of the slider (11) is fixedly connected to a connecting rod (9), the outer wall of the connecting rod (9) is hinged to a second fixing clip (3) by a torsion spring (13).

2. The universal display board according to claim 1, characterized in that: A sub-plate (19) is slidably connected to the inner wall of the plate (1). A sliding rod (4) is fixedly connected to the outer wall of the sub-plate (19). A fixing buckle (5) is slidably connected to the outer wall of the sliding rod (4). The fixing buckle (5) is elastically connected to the outer wall of the sub-plate (19) by a second spring (6). A rack (16) is fixedly connected to the outer wall of the sub-plate (19). A gear (17) meshes with the rack (16). The gear (17) is rotatably connected to the inner wall of the plate (1). A roller (18) is rotatably connected to the bottom of the sub-plate (19).

3. A universal display board according to claim 1, characterized in that: The first fixing clip (8) is hinged to the outer wall of the plate (1) using a torsion spring (13) of the same type.

4. A universal display board according to claim 1, characterized in that: The plate (1) is provided with several sets of fixing slots (14), and the several sets of fixing slots (14) are arranged in a straight line and penetrate the inner wall of the plate (1). The outer wall of the fixing rod (10) is engaged with the inner wall of the fixing slot (14).

5. A universal display board according to claim 2, characterized in that: The plate (1) is provided with a cavity structure. The sub-plate (19) and the rack (16) are provided with two sets, and the two sets of racks (16) are meshed on the outer wall of the gear (17) in an up-down position. The sub-plate (19) is slidably connected to the inside of the plate (1) through the roller (18).

6. A universal display board according to claim 2, characterized in that: A limiting slot (7) is provided on the lower part of the outer wall of the plate (1), the fixing buckle (5) is engaged in the inner wall of the limiting slot (7), and the sliding rod (4) is slidably connected in the inner wall of the plate (1).

7. A universal display board according to claim 1, characterized in that: One end of the first spring (12) is fixedly connected to the side wall of the fixed rod (10), and the other end of the first spring (12) is fixedly connected to the outer wall of the slider (11).

8. A universal display board according to claim 2, characterized in that: One end of the second spring (6) is fixedly connected to the outer wall of the fixed buckle (5), and the other end of the second spring (6) is fixedly connected to the outer wall of the sub-plate (19).

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