Foldable portable propaganda display board
By using a hinge connection, permanent magnet attraction, and spring locking structure, the problem of inconvenient display board fixing is solved, enabling convenient unfolding and folding operations. Furthermore, the magnetic connection secures the promotional paper, enhancing its portability and ease of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGCHUN HEALTH VOCATIONAL COLLEGE
- Filing Date
- 2025-04-24
- Publication Date
- 2026-05-15
AI Technical Summary
Existing foldable portable advertising display boards are inconvenient to secure when unfolded and folded, and cannot effectively carry and secure advertising paper.
It adopts a rotating shaft connection, permanent magnet magnetic attraction and spring snap-fit structure, combined with storage slot and sealing plug design, to realize the quick unfolding and folding and fixing of the display board, and fix the promotional paper with permanent magnet.
It enables the rapid unfolding and folding of the display boards, improving ease of use, and uses magnetic connections to secure the promotional paper, preventing loss.
Smart Images

Figure CN224248276U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of advertising display board technology, specifically a foldable and portable advertising display board. Background Technology
[0002] Promotional display boards are a type of flat advertising medium widely used in various places to display information, promote ideas, and promote products or activities.
[0003] However, existing foldable portable advertising display boards are inconvenient to quickly fix after unfolding and folding, making them inconvenient to use, and also making it impossible to carry the advertising paper and make it inconvenient to fix the advertising paper.
[0004] To address the aforementioned issues, there is an urgent need for innovative design based on the existing promotional display boards. Utility Model Content
[0005] The purpose of this utility model is to provide a foldable and portable promotional display board to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a foldable and portable advertising display board, comprising a first advertising display board, wherein each end of the side of the first advertising display board is rotatably mounted with a rotating shaft via bearings, the end of the rotating shaft is fixedly connected to one end of a connecting plate, and another rotating shaft is fixedly attached to the other end of the connecting plate, and the outer side of the end of the rotating shaft is rotatably connected to the end of the side of a second advertising display board via bearings.
[0007] A fixing mechanism is provided between the first and second promotional display boards;
[0008] The first and second promotional display boards are each fixed with a first permanent magnet, and the surface of the first permanent magnet is magnetically attracted to a second permanent magnet.
[0009] Preferably, the fixing mechanism includes an inner cavity. The first promotional display board has an inner cavity inside. A movable plate is slidably installed inside the inner cavity near the second promotional display board. A first through groove and a second through groove are respectively opened on both sides of the inner cavity. A first locking plate is fixed to one side of the movable plate. The end of the first locking plate passes through the interior of the first through groove and engages with the first locking groove. The first locking groove is opened on one side of the second promotional display board. A spring is fixed to the end of the other side of the movable plate. The end of the spring is fixedly connected to the inner wall of the inner cavity. A pull plate is fixed to the middle of the other side of the movable plate. The end of the pull plate passes through the interior of the second through groove and is located outside the first promotional display board. The end of the pull plate has a pull opening. A second locking plate is fixed to one side of the pull plate outside the first promotional display board. A second locking groove is opened in the middle of one side of the second promotional display board away from the pull opening.
[0010] Preferably, there are two of each of the first through slot, the first locking plate, the first locking groove, and the spring, which are symmetrically distributed about the central axis of the movable plate. The first locking plate and the first through slot are slidably connected, the pull plate is slidably connected to the second through slot, the second locking plate is designed as an "L" shaped structure, and the end of the second locking plate is engaged with the second locking groove.
[0011] Preferably, both sides of the first promotional display board and both sides of the second promotional display board are designed with arc-shaped structures, and one side of the first promotional display board and one side of the second promotional display board are in close contact with each other, and the central axis of the arc edge of the first and second promotional display boards coincides with the central axis of the rotating shaft.
[0012] Preferably, the second promotional display board has a first storage slot and a second storage slot inside, and the end of the first storage slot is threaded with a first sealing plug, the other end of the first sealing plug is located outside the second promotional display board, and the end of the second storage slot is threaded with a second sealing plug, the other end of the second sealing plug is located outside the second promotional display board.
[0013] Preferably, a handle is fixed to one side of the first promotional display board, and the pull opening is located inside the handle.
[0014] Preferably, the first permanent magnet is evenly distributed on the surfaces of both the first and second promotional display boards, and the surface of the first permanent magnet overlaps with the surfaces of the first and second promotional display boards.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This foldable portable advertising display board can be moved by holding the handle and pulling the pull plate with the fingers of the hand, which can simultaneously separate the ends of the two first clips from the two first clip slots. At the same time, the second clip can also be moved. When the first and second advertising display boards are folded together by the pivot and connecting plate, by releasing the fingers, the second clip and the second clip slot can be engaged under the elastic force of the two springs, thus achieving quick fixation of the first and second advertising display boards after folding. Similarly, under the elastic force of the two springs, the ends of the two first clips can be engaged with the two first clip slots, thus achieving quick fixation of the first and second advertising display boards after unfolding, which is convenient for the use of the advertising display board.
[0016] The first storage slot, the first sealing plug, the second storage slot, and the second sealing plug make it convenient to store the promotional paper and the second permanent magnet, preventing the loss of the second permanent magnet, and eliminating the need for an additional carrying bag for the promotional paper.
[0017] The magnetic connection between the first and second permanent magnets facilitates the fixation of the advertising paper. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the right-hand structure of the present invention after unfolding;
[0019] Figure 2 This is a schematic diagram of the left-side structure after the present invention has been unfolded;
[0020] Figure 3 This is a schematic diagram of the bottom structure of the present invention after unfolding.
[0021] Figure 4 This is a top view sectional diagram of the unfolded structure of this utility model;
[0022] Figure 5 This is a schematic diagram of the folded structure of this utility model.
[0023] In the diagram: 1. First promotional display board; 2. Rotating shaft; 3. Connecting plate; 4. Second promotional display board; 5. Inner cavity; 6. First through groove; 7. Second through groove; 8. Movable plate; 9. First retaining plate; 10. First retaining slot; 11. Spring; 12. Pull plate; 13. Pull opening; 14. Second retaining plate; 15. Second retaining slot; 16. First storage slot; 17. First sealing plug; 18. Second storage slot; 19. Second sealing plug; 20. First permanent magnet; 21. Second permanent magnet; 22. Handle. 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] Please see Figure 1-5 This utility model provides a technical solution: a foldable and portable advertising display board, including a first advertising display board 1. The ends of the sides of the first advertising display board 1 are rotatably mounted with a rotating shaft 2 through bearings. The end of the rotating shaft 2 is fixedly connected to the end of one side of the connecting plate 3. Another rotating shaft 2 is fixed to the other end of one side of the connecting plate 3. The outer side of the end of the rotating shaft 2 is rotatably connected to the end of the side of the second advertising display board 4 through bearings.
[0026] A fixing mechanism is provided between the first promotional display board 1 and the second promotional display board 4. The fixing mechanism includes an inner cavity 5. The inner cavity 5 is opened inside the first promotional display board 1. A movable plate 8 is slidably installed inside the inner cavity 5 near the second promotional display board 4. A first through groove 6 and a second through groove 7 are opened on both sides of the inner cavity 5, respectively. A first locking plate 9 is fixed on one side of the movable plate 8. The end of the first locking plate 9 passes through the interior of the first through groove 6 and engages with the first locking groove 10. The first locking groove 10 is opened on one side of the second promotional display board 4. A spring 11 is fixed on the other side of the movable plate 8. The end of the spring 11 is fixedly connected to the inner wall of the inner cavity 5. A pull plate 12 is fixed in the middle of the other side of the movable plate 8. The end of the pull plate 12 passes through the interior of the second through groove 7 and is located outside the first promotional display board 1. A pull opening 13 is opened at the end of the pull plate 12. A second locking plate 14 is fixed on one side of the pull plate 12 located outside the first promotional display board 1. A second locking groove 15 is opened in the middle of one side of the second promotional display board 4 away from the pull opening 13.
[0027] First permanent magnets 20 are fixed to the surfaces of both the first and second promotional display boards 1 and 4. Second permanent magnets 21 are magnetically attracted to the surfaces of the first permanent magnets 20. The first permanent magnets 20 are evenly distributed on the surfaces of the first and second promotional display boards 1 and 4, and their surfaces overlap with those of the first and second promotional display boards 1 and 4. This ensures that the promotional paper can adhere to the surfaces of the first and second promotional display boards 1 and 4 without being lifted up by the first permanent magnets 20. At the same time, the promotional paper can be fixed to the surfaces of the first and second promotional display boards 1 and 4 through the magnetic connection between the first and second permanent magnets 20 and 21, which increases the number of fixing points for the promotional paper and improves the fixing effect.
[0028] The first through slot 6, the first locking plate 9, the first locking groove 10, and the spring 11 are all symmetrically distributed in twos about the central axis of the movable plate 8. The first locking plate 9 and the first through slot 6 are slidably connected, the pull plate 12 is slidably connected to the second through slot 7, and the two first locking plates 9 are engaged with the two first locking grooves 10, which improves the stability of the first promotional display board 1 and the second promotional display board 4 after they are unfolded. The second locking plate 14 is designed with an "L" shaped structure, and the end of the second locking plate 14 is engaged with the second locking groove 15, so that the first promotional display board 1 and the second promotional display board 4 can be fixed together after folding.
[0029] Both sides of the first promotional display board 1 and both sides of the second promotional display board 4 are designed with arc-shaped structures. One side of the first promotional display board 1 and one side of the second promotional display board 4 are attached to each other. The central axis of the arc edge of the first promotional display board 1 and the second promotional display board 4 coincides with the central axis of the rotating shaft 2, ensuring that the first promotional display board 1 and the second promotional display board 4 can rotate normally through the rotating shaft 2 and the connecting plate 3, so that the first promotional display board 1 and the second promotional display board 4 can be unfolded and folded.
[0030] The second promotional display board 4 has a first storage slot 16 and a second storage slot 18 inside. The end of the first storage slot 16 is threaded with one end of a first sealing plug 17, and the other end of the first sealing plug 17 is located outside the second promotional display board 4. The end of the second storage slot 18 is threaded with a second sealing plug 19, and the other end of the second sealing plug 19 is located outside the second promotional display board 4. The inside of the first storage slot 16 can be used to place rolled-up promotional paper, thus facilitating the carrying of the promotional paper. The inside of the second storage slot 18 can be used to place a second permanent magnet 21, preventing the second permanent magnet 21 from being lost during the carrying of the promotional display board.
[0031] A handle 22 is fixed on one side of the first promotional display board 1, and a pull opening 13 is located inside the handle 22. The handle 22 is designed so that after holding the handle 22, it is convenient to pull the pull opening 13 with the fingers holding the handle 22, thereby facilitating the movement of the pull plate 12.
[0032] Working principle: When using this foldable and portable advertising display board, firstly as follows... Figure 1 and Figure 4 As shown, the first sealing plug 17 is rotated. Since the first sealing plug 17 and the first storage groove 16 are threadedly connected, the first sealing plug 17 is removed from the first storage groove 16. Then, the rolled-up promotional paper inside the first storage groove 16 is taken out. Then, the first sealing plug 17 is installed back into the first storage groove 16. Similarly, the second permanent magnet 21 inside the second storage groove 18 is taken out. Then, the promotional paper is laid flat on the surface of the first promotional display board 1 and the second promotional display board 4. Finally, the promotional paper is fixed by the magnetic connection between the first permanent magnet 20 and the second permanent magnet 21.
[0033] When the first promotional display board 1 and the second promotional display board 4 need to be folded for carrying, hold the handle 22 with your hand, then insert the fingers of the hand holding the handle 22 into the pull opening 13 and pull the pull plate 12 forcefully. Figure 4 As shown, the pull plate 12 pulls a movable plate 8, a second locking plate 14, and two first locking plates 9 to move simultaneously, and the two springs 11 are stretched simultaneously, causing the ends of the two first locking plates 9 to separate from the two first locking slots 10 simultaneously. Then, the first promotional display board 1 and the second promotional display board 4 are folded together via the rotating shaft 2 and the connecting plate 3. Figure 5 Then, release your fingers, and under the elastic force of the two springs 11, the end of the second card plate 14 engages with the second card slot 15, thus completing the quick fixation of the first promotional display board 1 and the second promotional display board 4 after folding.
[0034] Following the above operations, the end of the second card plate 14 is separated from the second card slot 15, and the two first card plates 9 are simultaneously pulled so that the ends of the two first card plates 9 are simultaneously retracted into the first through slot 6. Then, the first promotional display board 1 and the second promotional display board 4 are unfolded through the rotating shaft 2 and the connecting plate 3. Figure 4 When the fingers are released, the ends of the two first clips 9 engage with the two first slots 10 simultaneously under the elastic force of the two springs 11, thus quickly fixing the first promotional display board 1 and the second promotional display board 4 after they are unfolded.
[0035] Although the present invention 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 invention should be included within the protection scope of the present invention.
Claims
1. A foldable and portable promotional display board, comprising a first promotional display board (1), characterized in that: The first promotional display board (1) has a rotating shaft (2) mounted on each side end via a bearing. The end of the rotating shaft (2) is fixedly connected to the end of one side of the connecting plate (3). Another rotating shaft (2) is fixed to the other end of one side of the connecting plate (3). The outer side of the end of the rotating shaft (2) is rotatably connected to the end of the side of the second promotional display board (4) via a bearing. A fixing mechanism is provided between the first promotional display board (1) and the second promotional display board (4); The first promotional display board (1) and the second promotional display board (4) are both fixed with a first permanent magnet (20), and the surface of the first permanent magnet (20) is magnetically attracted with a second permanent magnet (21). The fixing mechanism includes an inner cavity (5). The inner cavity (5) is opened inside the first promotional display board (1). A movable plate (8) is slidably installed inside the inner cavity (5) near the second promotional display board (4). A first through groove (6) and a second through groove (7) are opened on both sides of the inner cavity (5). A first locking plate (9) is fixed on one side of the movable plate (8). The end of the first locking plate (9) passes through the interior of the first through groove (6) and engages with the first locking groove (10). The first locking groove (10) is opened on one side of the second promotional display board (4). The movable plate (8) A spring (11) is fixed to the other end. The end of the spring (11) is fixedly connected to the inner wall of the inner cavity (5). A pull plate (12) is fixed to the middle of the other side of the movable plate (8). The end of the pull plate (12) passes through the interior of the second through groove (7) and is located outside the first publicity display board (1). A pull opening (13) is opened at the end of the pull plate (12). A second card plate (14) is fixed to one side of the pull plate (12) outside the first publicity display board (1). A second card groove (15) is opened in the middle of one side of the second publicity display board (4) away from the pull opening (13).
2. The foldable and portable promotional display board according to claim 1, characterized in that: The first through slot (6), the first locking plate (9), the first locking groove (10) and the spring (11) are symmetrically distributed in twos about the central axis of the movable plate (8), and the first locking plate (9) and the first through slot (6) are slidably connected. The pull plate (12) is slidably connected to the second through slot (7). The second locking plate (14) is designed as an "L" shaped structure, and the end of the second locking plate (14) is engaged with the second locking groove (15).
3. The foldable portable promotional display board according to claim 1, characterized in that: Both sides of the first promotional display board (1) and both sides of the second promotional display board (4) are designed as arc-shaped structures, and one side of the first promotional display board (1) and one side of the second promotional display board (4) are attached to each other, and the central axis of the arc edge of the first promotional display board (1) and the second promotional display board (4) coincides with the central axis of the rotating shaft (2).
4. A foldable and portable promotional display board according to claim 1, characterized in that: The second promotional display board (4) has a first storage slot (16) and a second storage slot (18) inside. The end of the first storage slot (16) is threaded with one end of a first sealing plug (17), and the other end of the first sealing plug (17) is located outside the second promotional display board (4). The end of the second storage slot (18) is threaded with a second sealing plug (19), and the other end of the second sealing plug (19) is located outside the second promotional display board (4).
5. A foldable and portable promotional display board according to claim 1, characterized in that: A handle (22) is fixed on one side of the first promotional display board (1), and the pull opening (13) is located inside the handle (22).
6. A foldable and portable promotional display board according to claim 1, characterized in that: The first permanent magnet (20) is evenly distributed on the surfaces of the first promotional display board (1) and the second promotional display board (4), and the surface of the first permanent magnet (20) overlaps with the surface of the first promotional display board (1) and the second promotional display board (4).