Novel roll screen easy to fold and unfold

Abstract

The utility model discloses a novel roll-up banner easy to fold and unfold, which belongs to the technical field of roll-up banners and comprises a first bottom plate, a second bottom plate flush with the first bottom plate, a folding and unfolding box arranged above the second bottom plate and a folding and unfolding rod arranged in the folding and unfolding box, the folding and unfolding box serves as a supporting base and guarantees balance and stability of the roll-up banner, and the length of the roll-up banner can be flexibly adjusted. The first bottom plate and the second bottom plate are connected through a plurality of sets of electric telescopic rods, the contact area between the bottom of the roll-up banner and the ground can be conveniently adjusted according to the actual situation, the practicability and firmness of the roll-up banner are improved, and a gear meshing assembly is arranged between the first bottom plate and the storage box; a user can freely adjust the angle of the folding and unfolding box, the display effect of the roll-up banner is effectively improved, the second bottom plate and the folding and unfolding box are limited through the supporting and connecting assembly, flexibility is high, and reliability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of roll-up posters, in particular to a novel roll-up poster that is easy to retract and deploy. Background Art

[0002] A roll-up poster is a standing promotional poster, commonly seen in busy street passages, assisting in roadshow promotion activities or temporary booth sales activities. It is applicable to occasions such as conferences, exhibitions, sales promotions, etc.

[0003] Existing roll-up posters mostly adopt the method of pulling out an upright poster with a scroll. When in use, the fabric is pulled out and supported by a stick at the back. The structure is simple, the stability is poor, and it is extremely vulnerable to factors such as wind, with poor practicality. Therefore, those skilled in the art have provided a novel roll-up poster that is easy to retract and deploy to solve the problems raised in the above background art. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a novel roll-up poster that is easy to retract and deploy to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A novel roll-up poster that is easy to retract and deploy, including a first bottom plate, a second bottom plate flush with the first bottom plate, a retraction and deployment box disposed above the second bottom plate, a retraction and deployment rod disposed in the retraction and deployment box, wherein the first bottom plate and the second bottom plate are connected by a plurality of groups of electric telescopic rods, a gear meshing assembly is disposed between the first bottom plate and the retraction and deployment box, and the second bottom plate and the retraction and deployment box are limited by a support connection assembly;

[0006] The gear meshing assembly includes two groups of first gears and second gears, the first gears and the second gears mesh with each other, a rotating shaft is connected through between the two groups of first gears, fixed shafts are respectively penetrated through the two groups of second gears, and the first gears and the second gears are both placed in grooves dug on the first bottom plate.

[0007] Preferably: Fixing plates are welded on the left and right sides of the bottom support plate of the support connection assembly, springs are installed on the inner sides of the two fixing plates, and the other ends of the springs are fixed with limiting plates.

[0008] Preferably: The retraction and deployment rod is movably sleeved in the retraction and deployment box, a cross plate is fixedly welded at one end of the retraction and deployment rod outside the retraction and deployment box, a clamping assembly is installed at the front end of the cross plate through a connection block, and a clamping assembly is installed at the bottom of one side of the retraction and deployment box through a connection block.

[0009] Preferably: The clamping assembly includes a clamping plate and a fixed frame, the fixed frame is fixedly welded on the connection block, telescopic rods are installed on the inner sides of the two ends of the outer frame of the fixed frame, and the other ends of the two telescopic rods are commonly connected to the clamping plate.

[0010] Preferably, a push plate is arranged at the lower end inside the retractable box for the retractable rod. Both ends of the push plate are slidably mounted on the sliding grooves through two groups of sliding rods. The sliding grooves are dug in the corresponding area of the back side of the retractable box relative to the retractable rod. A nut is arranged in the middle of the push plate, and the nut is in threaded engagement with a plurality of threaded holes dug in the middle of the back side of the retractable box.

[0011] Preferably, a limiting block is movably installed in the support connection assembly. The other end of the limiting block is welded with a support rod. The other end of the support rod is fixedly connected with a hinge shaft. Both ends of the hinge shaft are rotatably mounted on the hinge plate, and the hinge plate is fixedly welded on the second bottom plate.

[0012] Preferably, a connecting plate is welded on the rotating shaft, and the other end of the connecting plate is welded at the bottom end of the retractable box.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, by setting the gear meshing assembly, the meshing transmission of the first gear and the second gear realizes the flexible adjustment of the angle of the retractable box, improves the overall display effect of the roll-up banner on the exhibits, and adapts to exhibitions in different directions and angles.

[0015] 2. In the present utility model, the setting of the electric telescopic rod and the support rod increases the flexibility of the contact area between the roll-up banner and the ground and the overall stability of the device, and prevents the display effect of the roll-up banner from being affected by external environmental factors and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a rear view of the overall structure of the present utility model;

[0018] Figure 3 is a schematic diagram of the clamping structure of the present utility model;

[0019] Figure 4 is a schematic diagram of the gear meshing part structure of the present utility model;

[0020] Figure 5 is a schematic diagram of the support part structure of the present utility model.

[0021] In the figure: 1. First bottom plate, 2. Second bottom plate, 3. Retractable box, 4. Retractable rod, 5. Retractable rod, 6. Horizontal plate, 7. Clamping plate, 8. Support rod, 9. First gear, 10. Second gear, 11. Rotating shaft, 12. Connecting plate, 13. Hinge shaft, 14. Hinge plate, 15. Limit block, 16. Push plate, 17. Nut, 18. Threaded hole, 19. Slide groove, 20. Fixed frame, 21. Connecting block, 22. Telescopic rod, 23. Groove, 24. Fixed shaft, 25. Support plate, 26. Spring, 27. Limit plate, 28. Fixed plate. Detailed implementation manner

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 to 5 , in the embodiment of the present invention, a new type of easy-to-retract roll-up display board includes a first bottom plate 1, a second bottom plate 2 flush with the first bottom plate 1, which serves as a support base to ensure the balance and stability of the roll-up display board. A retractable box 3 is provided above the second bottom plate 2, and a retractable rod 4 is provided in the retractable box 3, which can flexibly adjust the length of the roll-up display board to adapt to the exhibition work of posters and the like of different sizes. The first bottom plate 1 and the second bottom plate 2 are connected by a plurality of groups of electric telescopic rods 7, which is convenient to adjust the contact area between the bottom of the roll-up display board and the ground according to the actual situation, and increases the practicability and firmness of the roll-up display board. A gear meshing assembly is provided between the first bottom plate 1 and the retractable box 3, and the user can freely adjust the angle of the retractable box 3, effectively improving the display effect of the roll-up display board. The second bottom plate 2 and the retractable box 3 are limited by a support connection assembly, with high flexibility and strong reliability.

[0024] During use, the gear meshing assembly includes two groups of first gears 9 and second gears 10, the first gears 9 and the second gears 10 are meshed with each other, a rotating shaft 11 is connected through the two groups of first gears 9, a connecting plate 12 is welded on the rotating shaft 11, and the other end of the connecting plate 12 is welded to the bottom end of the retractable box 3. Fixed shafts 24 are respectively penetrated through the two groups of second gears 10. The first gears 9 and the second gears 10 are both placed in the groove 23, the groove 23 is dug on the first bottom plate 1, and the fixed shaft 24 is movably matched with the second gear 10 to realize the circumferential rotation of the second gear 10, and further realize the relative meshing rotation of the first gear 9, so that the rotating shaft 11 fixed between the first gears 9 realizes circumferential movement, achieving the effect of adjusting the angle of the retractable box 3.

[0025] In one embodiment, specifically, fixing plates 28 are welded to the left and right sides of the bottom support plate 25 of the support connection assembly. Springs 26 are installed inside both groups of fixing plates 28, and the other ends of the springs 26 are fixed with limit plates 27. Through the contraction and clamping effect of the limit plates 27 and the springs 26, the purpose of fixing and limiting is achieved.

[0026] Specifically, the retractable rod 4 is movably sleeved inside the retractable box 3. One end of the retractable rod 4 outside the retractable box 3 is fixedly welded with a cross plate 5. The front end of the cross plate 5 is provided with a clamping assembly through a connecting block 21. A clamping assembly is installed at the bottom of one side of the retractable box 3 through a connecting block 21. The clamping assembly includes a clamping plate 6 and a fixing frame 20. The fixing frame 20 is fixedly welded to the connecting block 21. Telescopic rods 22 are installed inside both ends of the outer frame of the fixing frame 20. The other ends of the two telescopic rods 22 are commonly connected to the clamping plate 6. When in use, first place exhibition works such as posters between the clamping plate 6 and the fixing frame 20, and drive the telescopic rods 22 to expand and contract by pressing the clamping plate 6 to achieve the effect of fixing and clamping, and increase the fitting degree of the exhibition works.

[0027] Among them, a push plate 16 is arranged at the lower end inside the retractable box 3 of the retractable rod 4. Both ends of the push plate 16 are slidably installed on a chute 19 through two sliding rods. The chute 19 is dug in the corresponding area of the back side of the retractable box 3 opposite to the retractable rod 4. A nut 17 is arranged in the middle of the push plate 16. The nut 17 is threadedly engaged with a plurality of threaded holes 18 dug in the middle of the back side of the retractable box 3. By sliding the push plate 16, the height of the retractable rod 4 extending out of the retractable box 3 is adjusted to improve the adaptability to posters of different lengths, and fixation is achieved through the cooperation of the threaded holes 28 and the nut 17.

[0028] In one embodiment, specifically, a limit block 15 is movably installed inside the support connection assembly. The other end of the limit block 15 is welded with a support rod 8. The other end of the support rod 8 is fixedly connected with a hinge shaft 13. Both ends of the hinge shaft 13 are rotatably installed on a hinge plate 14. The hinge plate 14 is fixedly welded to the second bottom plate 2. The settings of the limit block 15 and the hinge shaft 13 make the connection between the second bottom plate 2 and the retractable box 3 more flexible.

[0029] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A new type of retractable roll-up display stand, comprising a first bottom plate (1), a second bottom plate (2) flush with the first bottom plate (1), a retractable box (3) disposed above the second bottom plate (2), and a retractable rod (4) disposed within the retractable box (3), characterized in that: The first bottom plate (1) and the second bottom plate (2) are connected by a number of sets of electric telescopic rods (7). A gear meshing assembly is provided between the first bottom plate (1) and the storage and release box (3), and the second bottom plate (2) and the storage and release box (3) are limited by a support connection assembly; The gear meshing assembly includes two sets of first gears (9) and second gears (10). The first gears (9) and the second gears (10) mesh with each other. A rotating shaft (11) is connected through between the two sets of first gears (9). Fixed shafts (24) are respectively penetrated through the two sets of second gears (10). The first gears (9) and the second gears (10) are both placed in a groove (23), and the groove (23) is dug on the first bottom plate (1).

2. The novel roll-up display which is easy to retract and extend according to claim 1, is characterized in that: On the left and right sides of the bottom support plate (25) of the support connection assembly, fixing plates (28) are welded respectively. Springs (26) are installed on the inner sides of the two fixing plates (28), and the other ends of the springs (26) are fixed with limiting plates (27).

3. The new type of easily retractable roll-up stand according to claim 1, characterized in that: The storage and release rod (4) is movably sleeved in the storage and release box (3). One end of the storage and release rod (4) outside the storage and release box (3) is fixedly welded with a cross plate (5). A clamping assembly is installed at the front end of the cross plate (5) through a connection block (21), and a clamping assembly is installed at the bottom of one side of the storage and release box (3) through a connection block (21).

4. The novel retractable roll-up display according to claim 3, characterized in that: The clamping assembly includes a clamping plate (6) and a fixed frame (20). The fixed frame (20) is fixedly welded on the connection block (21). Telescopic rods (22) are installed on the inner sides of the two ends of the outer frame of the fixed frame (20), and the other ends of the two telescopic rods (22) are jointly connected to the clamping plate (6).

5. A novel retractable roll-up display according to claim 3, characterized in that: A push plate (16) is arranged at the lower end of the inner side of the storage and release rod (4) in the storage and release box (3). The two ends of the push plate (16) are slidably installed on a sliding groove (19) through two sliding rods. The sliding groove (19) is dug on the back side of the storage and release box (3) corresponding to the storage and release rod (4). A nut (17) is arranged in the middle of the push plate (16), and the nut (17) is threadedly engaged with a plurality of threaded holes (18) dug in the middle of the back side of the storage and release box (3).

6. The novel retractable roll-up display according to claim 2, wherein: A limiting block (15) is movably installed in the support connection assembly. The other end of the limiting block (15) is welded with a support rod (8). The other end of the support rod (8) is fixedly connected with a hinge shaft (13). The two ends of the hinge shaft (13) are rotatably installed on hinge plates (14), and the hinge plates (14) are fixedly welded on the second bottom plate (2).

7. A novel roll-up display board that can be easily retracted and extended according to claim 1, characterized in that: A connecting plate (12) is welded on the rotating shaft (11), and the other end of the connecting plate (12) is welded to the bottom end of the storage and release box (3).

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