Portable floor drawing curtain storage box body
Through the combination of the drive mechanism, winding mechanism and locking mechanism, the inconvenience of handling and winding speed control of projection screens when replacing the use site is solved, and automated curtain expansion and storage are realized, improving portability and efficiency.
Patent Information
- Application Number
- CN202422300727.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The existing projection screen is inconvenient to carry when replacing the use site, and it is difficult to control the accurate winding speed during the rolling screen.
The combination of a driving mechanism, a winding mechanism and a locking mechanism is adopted, and components such as a two-way motor, threaded rod, pulley and locking rod are used to realize automated curtain expansion and winding, ensuring uniform speed and easy to carry.
It realizes the convenient deployment and storage of the projection screen, reduces manual operation, improves handling efficiency, and ensures the accuracy and sealing of winding.
Smart Images

Figure CN223060416U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of projection screens, and particularly relates to a portable floor screen storage box body. Background Art
[0002] Projection screens are used in movie theaters, offices, home theaters, large conferences and other occasions to display images and video files. Traditional projection screens are fixedly hung on the wall and generally cannot be moved. Compared with hanging projection screens, floor projection screens (hereinafter referred to as floor screens) are less restricted by the venue in use and are widely used.
[0003] Existing projection screens generally adopt a manual structure. Usually, people manually roll and pull the screen, which is inconvenient to use. When changing the use venue, the screen needs to be folded and stored in the storage box body, and the storage box body needs to be carried to the required venue. However, the existing storage box body is not convenient to carry, and it is difficult to control the accurate winding speed during the winding process, and the winding speed is slow.
[0004] Therefore, we propose a portable floor screen storage box body. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a portable floor screen storage box body to solve the problems raised in the above background art.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A portable floor screen storage box body, including a box body, a driving mechanism, a winding mechanism and a locking mechanism;
[0007] The box body is a hollow structure with an opening formed thereon, and the box body can store the screen to be used.
[0008] The driving mechanism is installed on the back surface of the box body, and the driving mechanism can provide power to support and unfold the template.
[0009] The winding mechanism is installed on both side surfaces of the box body, and the winding mechanism can stably rotate and wind the screen and store it in the box body.
[0010] The locking mechanism is installed on both side surfaces of the box body, and the locking mechanism can seal and lock the wound screen box body, so as to achieve the function of convenient carrying.
[0011] Preferably, the driving mechanism includes a bidirectional motor. A moving groove is formed on the back surface of the box body. The back surface of the box body is symmetrically and fixedly connected with limiting blocks. A bidirectional threaded rod is rotatably installed between the two limiting blocks. A bidirectional motor is installed at the center of the back surface of the box body, and the output end of the bidirectional motor is fixedly connected with the bidirectional threaded rod. Start the bidirectional motor. The operation of the bidirectional motor drives the bidirectional threaded rod to rotate. The rotation of the bidirectional threaded rod drives the moving blocks meshed with the outer surface to move. The moving blocks move towards the center of the bidirectional threaded rod.
[0012] Preferably, moving blocks are symmetrically meshed with the outer surface of the bidirectional threaded rod. A first support frame is rotatably installed on the top surface of one moving block, and a second support frame is rotatably installed on the top surface of the other moving block. A cover plate is rotatably installed on the top surfaces of the first support frame and the second support frame. The rotation of the first support frame and the second support frame causes the first support frame and the second support frame to support the cover plate, thereby supporting the curtain.
[0013] Preferably, a winding roller is rotatably installed inside the box body. A connecting rod is installed on the bottom end surface of the cover plate. A curtain is installed on the outer surface of the connecting rod, and the other end of the curtain is connected to the winding roller.
[0014] Preferably, the winding mechanism includes a connecting belt. A driving belt pulley is rotatably installed on the outer surface of the limiting block, and the driving belt pulley is fixedly connected with the bidirectional threaded rod. A driven belt pulley is installed on the outer surface of the box body, and the driven belt pulley is fixedly connected with the winding roller. A connecting belt is installed between the driving belt pulley and the driven belt pulley. The rotation of the bidirectional threaded rod drives the driving belt pulley to rotate. The rotation of the driving belt pulley drives the driven belt pulley to rotate through the cooperation of the connecting belt. The rotation of the driven belt pulley drives the winding roller to rotate, and the winding roller rotates to evenly recycle the curtain.
[0015] Preferably, the locking mechanism includes a locking rod. Blocks are symmetrically and fixedly connected to the bottom end surface of the cover plate. Connecting holes are symmetrically formed inside the blocks. Sliding grooves are symmetrically formed on both sides of the cover plate. Locking plates are slidably installed in the sliding grooves, and locking rods are symmetrically installed inside the locking plates. Pull the locking rod to lock and connect the cover plate and the box body through the locking rod.
[0016] Preferably, locking holes are symmetrically formed on both sides of the box body.
[0017] Preferably, a damping device is installed inside the sliding groove.
[0018] Preferably, a handle is fixedly connected to the top surface of the cover plate.
[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: Through the cooperation of the moving groove, the limiting block, the bidirectional threaded rod, the bidirectional motor, the moving block, the first support frame, the second support frame, the cover plate, the connecting rod and the curtain, the manual rolling and pulling of the curtain are avoided. Through the cooperation of the winding roller, the driving pulley, the driven pulley and the connecting belt, the winding speed can be accurately controlled. Through the cooperation of the connecting hole, the sliding groove, the locking plate and the locking rod, the box body can be conveniently carried and transported. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 is one of the overall structural schematic diagrams of the utility model;
[0021] Figure 2 is the second of the overall structural schematic diagrams of the utility model;
[0022] Figure 3 is one of the partial structural schematic diagrams of the utility model;
[0023] Figure 4 is the second of the partial structural schematic diagrams of the utility model.
[0024] In the figure: 1, box body; 2, moving groove; 3, limiting block; 4, bidirectional threaded rod; 5, bidirectional motor; 6, moving block; 7, first support frame; 8, second support frame; 9, cover plate; 10, connecting rod; 11, curtain; 12, winding roller; 13, driving pulley; 14, driven pulley; 15, connecting belt; 16, clamping block; 17, connecting hole; 18, sliding groove; 19, locking plate; 20, locking rod; 21, pull handle. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0026] Please refer to Figures 1-4 , a portable ground curtain storage box body, including a box body 1, a driving mechanism, a winding mechanism and a locking mechanism;
[0027] The box body 1, the box body 1 is a hollow structure, and an opening is provided thereon. The box body 1 can store the curtain to be used;
[0028] The driving mechanism, the driving mechanism is installed on the back surface of the box body 1, and the driving mechanism can provide power to support and unfold the template;
[0029] A winding mechanism, the two side surfaces of the box body 1 are provided with a winding mechanism, and the winding mechanism can stably rotate and wind the curtain and store it in the box body 1;
[0030] A locking mechanism, the two side surfaces of the box body 1 are provided with a locking mechanism, and the locking mechanism can seal and lock the wound curtain box body, so as to achieve the function of convenient carrying.
[0031] Please refer to Figures 1-4 As shown in the figure, the driving mechanism includes a bidirectional motor 5. A moving groove 2 is formed on the back surface of the box body 1. Symmetrically fixed blocks 3 are fixedly connected to the back surface of the box body 1. A bidirectional threaded rod 4 is rotatably installed between the two limiting blocks 3. A bidirectional motor 5 is installed at the center of the back surface of the box body 1, and the output end of the bidirectional motor 5 is fixedly connected to the bidirectional threaded rod 4. Start the bidirectional motor 5, the bidirectional motor 5 runs to drive the bidirectional threaded rod 4 to rotate, and the rotation of the bidirectional threaded rod 4 drives the moving block 6 engaged with the outer surface to move, and the moving block 6 moves towards the center of the bidirectional threaded rod 4.
[0032] Please refer to Figures 1-4 As shown in the figure, symmetrically engaged moving blocks 6 are connected to the outer surface of the bidirectional threaded rod 4. A first support frame 7 is rotatably installed on the top surface of one moving block 6, and a second support frame 8 is rotatably installed on the top surface of the other moving block 6. A cover plate 9 is rotatably installed on the top surfaces of the first support frame 7 and the second support frame 8. The first support frame 7 and the second support frame 8 rotate, so that the first support frame 7 and the second support frame 8 support the cover plate 9, thereby supporting the curtain.
[0033] Please refer to Figures 1-4 As shown in the figure, a winding roller 12 is rotatably installed inside the box body 1. A connecting rod 10 is installed on the bottom end surface of the cover plate 9. A curtain 11 is installed on the outer surface of the connecting rod 10, and the other end of the curtain 11 is connected to the winding roller 12.
[0034] Please refer to Figures 1-4 As shown in the figure, the winding mechanism includes a connecting belt 15. A driving pulley 13 is rotatably installed on the outer surface of the limiting block 3, and the driving pulley 13 is fixedly connected to the bidirectional threaded rod 4. A driven pulley 14 is installed on the outer surface of the box body 1, and the driven pulley 14 is fixedly connected to the winding roller 12. A connecting belt 15 is installed between the driving pulley 13 and the driven pulley 14. The rotation of the bidirectional threaded rod 4 drives the driving pulley 13 to rotate. The driving pulley 13 rotates to drive the driven pulley 14 to rotate through the cooperation of the connecting belt 15. The rotation of the driven pulley 14 drives the winding roller 12 to rotate, and the winding roller 12 rotates to evenly recycle the curtain 11.
[0035] Please refer to Figures 1-4, the locking mechanism includes a locking rod 20. Symmetrically and fixedly connected to the bottom surface of the cover plate 9 are clamping blocks 16. Inside the clamping blocks 16, connection holes 17 are symmetrically formed. On both sides of the cover plate 9, sliding grooves 18 are symmetrically formed. Inside the sliding grooves 18, locking plates 19 are slidably installed. Inside the locking plates 19, locking rods 20 are symmetrically installed. By pulling the locking rod 20, the cover plate 9 and the box body 1 are locked and connected through the locking rod 20.
[0036] Please refer to Figures 1-4 , locking holes are symmetrically formed on both sides of the box body 1.
[0037] Please refer to Figures 1-4 , a damping device is installed inside the sliding groove 18.
[0038] Please refer to Figures 1-4 , a pull handle 21 is fixedly connected to the top surface of the cover plate 9.
[0039] Working principle: When the device needs to be used, start the bidirectional motor 5. The operation of the bidirectional motor 5 drives the bidirectional threaded rod 4 to rotate. The rotation of the bidirectional threaded rod 4 drives the moving blocks 6 meshingly connected to the outer surface to move. The moving blocks 6 move towards the center of the bidirectional threaded rod 4, thereby driving the first support frame 7 and the second support frame 8 to rotate, so that the first support frame 7 and the second support frame 8 support the cover plate 9, and thus support the curtain 11. When the curtain 11 needs to be retracted, the rotation of the bidirectional threaded rod 4 drives the driving pulley 13 to rotate. The rotation of the driving pulley 13 drives the driven pulley 14 to rotate through the cooperation of the connecting belt 15. The rotation of the driven pulley 14 drives the winding roller 12 to rotate, and the winding roller 12 rotates to evenly retract the curtain 11. At this time, by pulling the locking rod 20, the cover plate 9 and the box body 1 are locked and connected through the locking rod 20.
[0040] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.
[0041] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A portable ground pull-down curtain storage box body, characterized in that: It includes a box body (1), a driving mechanism, a winding mechanism and a locking mechanism; Box body (1), the box body (1) is of a hollow structure, with an opening formed thereon, and the box body (1) can store the curtain to be used; Driving mechanism, the driving mechanism is installed on the back surface of the box body (1), and the driving mechanism can provide power to support and unfold the template; Winding mechanism, the winding mechanism is installed on both side surfaces of the box body (1), and the winding mechanism can stably rotate and wind the curtain and store it in the box body (1); Locking mechanism, the locking mechanism is installed on both side surfaces of the box body (1), and the locking mechanism can seal and lock the box body with the wound curtain, so as to achieve the function of convenient carrying.
2. A portable ground curtain storage box according to claim 1, characterized in that: The driving mechanism includes a bidirectional motor (5), a moving groove (2) is formed on the back surface of the box body (1), limiting blocks (3) are symmetrically and fixedly connected to the back surface of the box body (1), a bidirectional threaded rod (4) is rotatably installed between the two limiting blocks (3), a bidirectional motor (5) is installed at the center of the back surface of the box body (1), and the output end of the bidirectional motor (5) is fixedly connected to the bidirectional threaded rod (4).
3. The portable ground screen storage box body according to claim 2, wherein: Moving blocks (6) are symmetrically meshed and connected to the outer surface of the bidirectional threaded rod (4), a first support frame (7) is rotatably installed on the top surface of one moving block (6), a second support frame (8) is rotatably installed on the top surface of the other moving block (6), and a cover plate (9) is rotatably installed on the top surfaces of the first support frame (7) and the second support frame (8).
4. A portable ground curtain storage box according to claim 3, characterized in that: A winding roller (12) is rotatably installed inside the box body (1), a connecting rod (10) is installed on the bottom end surface of the cover plate (9), a curtain (11) is installed on the outer surface of the connecting rod (10), and the other end of the curtain (11) is connected to the winding roller (12).
5. A portable ground curtain storage box according to claim 4, characterized in that: The winding mechanism includes a connecting belt (15), a driving belt pulley (13) is rotatably installed on the outer surface of the limiting block (3), and the driving belt pulley (13) is fixedly connected to the bidirectional threaded rod (4), a driven belt pulley (14) is installed on the outer surface of the box body (1), and the driven belt pulley (14) is fixedly connected to the winding roller (12), and a connecting belt (15) is installed between the driving belt pulley (13) and the driven belt pulley (14).
6. A portable ground curtain storage box according to claim 3, characterized in that: The locking mechanism includes a locking rod (20), clamping blocks (16) are symmetrically and fixedly connected to the bottom end surface of the cover plate (9), connecting holes (17) are symmetrically formed inside the clamping blocks (16), sliding grooves (18) are symmetrically formed on both sides of the cover plate (9), locking plates (19) are slidably installed in the sliding grooves (18), and locking rods (20) are symmetrically installed inside the locking plates (19).
7. A portable ground curtain storage box according to claim 1, characterized in that: Locking holes are symmetrically formed on both sides of the box body (1).
8. A portable ground curtain storage box according to claim 6, characterized in that: A damping device is installed inside the sliding groove (18).
9. A portable ground screen storage box according to claim 4, characterized in that: A pull handle (21) is fixedly connected to the top surface of the cover plate (9).