Anti-falling safety device for roller shutter door
By designing a rolling shutter door anti-fall safety device, the coordination of limit and clamping components is used to solve the safety hazards caused by the broken roller shutter door chain, and the effective fixation and stability of the rolling shutter door plate is achieved.
Patent Information
- Application Number
- CN202421417980.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-06-20
AI Technical Summary
After long-term use of existing roller shutter doors, the chain is prone to fatigue and wear, causing the chain to break or fall off, causing damage to the door body and safety hazards.
A rolling shutter door anti-fall safety device is designed, including guide rails, columns, support plates, roller rollers, transmission components, limit components and clamping components. The limiting assembly fixes the rotating gear through the coordination of the rotating gear and the limiting plate to prevent the roller shutter door sheet from falling; the clamping assembly improves the stability of the roller shutter door sheet through the telescopic pump, the clamping block, and the limiting sprocket.
Effectively prevent the roller shutter door plate from falling off after the chain breaks, improving the safety of the device, and through the limiting and clamping mechanism, the stability of the roller shutter door plate is improved and the risk of accidents is reduced.
Smart Images
Figure CN222848138U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rolling shutter door safety facilities, in particular to a rolling shutter door anti-falling safety device. Background Art
[0002] Rolling shutter doors are made of multi-jointed door panels connected in series. In a fixed slide, the doors rotate up and down with the roller above the door as the center. Rolling shutter doors are usually widely used in shops. Rolling shutter doors play the role of horizontal partitions like walls. Electric rolling shutter doors are equipped with rolling shutter motors, which drive the chain gear to rotate through a chain, thereby realizing the lifting and lowering of the metal door curtain.
[0003] After long-term use, existing rolling doors will experience chain fatigue and wear, chain deformation and other phenomena. Once the chain breaks or falls off the chain gear, the metal door curtain will drop rapidly due to its own gravity, causing damage to the door body, and may also cause personal injury or damage to other facilities, posing a major safety hazard.
[0004] Therefore, we propose a rolling door anti-falling safety device to solve the above problems. Utility Model Content
[0005] The utility model aims to solve the problems existing in the prior art and proposes a rolling door anti-falling safety device.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A rolling door anti-falling safety device comprises a guide rail, an upper end face of the guide rail is fixedly connected to a column, a side wall of the column is fixedly connected to a support plate, a rolling roller is rotatably connected to the support plate, a rolling door piece is provided on the rolling roller, the rolling door piece slides in the guide rail, a transmission assembly is provided on the guide rail, the transmission assembly is arranged on the rolling roller, a limit assembly is provided on the support plate, the limit assembly is arranged on the rolling roller, and a clamping assembly is provided on the support plate.
[0008] Preferably, the limiting assembly includes a fixing plate fixedly connected to the side wall of the supporting plate, the rolling roller is fixedly connected to a rotating gear, the upper end surface of the fixing plate is fixedly connected to a U-shaped plate and an inclined plate, the inner wall of the U-shaped plate is rotatably connected to the limiting plate, the inclined plate is fixedly connected to a spring frame, the end of the spring frame away from the inclined plate is fixedly connected to the limiting plate, the lower end surface of the fixing plate is fixedly connected to a plurality of supporting columns, the plurality of supporting columns are commonly fixedly connected to a connecting plate, the upper end surface of the connecting plate is fixedly connected to an air pump, the telescopic end of the air pump slides through the fixing plate, one end of the limiting plate is fixedly connected to a pull ring, the pull ring is provided with a pull rope, the end of the inclined plate away from the spring frame is fixedly connected to a bearing, the pull rope slides through the inclined plate and is fixedly connected to the telescopic end of the air pump, and the pull rope is arranged on the bearing.
[0009] Preferably, the clamping assembly comprises a telescopic pump fixedly connected to a side wall of the support plate, and the telescopic end of the telescopic pump slides through the support plate and is fixedly connected to a clamping block.
[0010] Preferably, the transmission assembly includes a vertical plate fixedly connected to the guide rail, a side wall of the vertical plate is fixedly connected to a rotating machine, the output end of the rotating machine rotates and penetrates the vertical plate, sprockets are fixedly connected to the rotating machine and the rolling roller, and the two sprockets are driven by a chain.
[0011] Preferably, a protective shell is fixedly connected to the vertical plate, and the protective shell and the rotating machine are matched.
[0012] Preferably, a plurality of bolts are threadedly penetrated on the rolling door sheet, and the plurality of bolts are all threadedly connected to the rolling roller.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. When the rolling door is rolled up to the rolling roller, the rotating gear continuously moves the limit plate. When the chain breaks during the rolling door, the rolling door falls and the rotating gear reverses. The limit plate can then jam the rotating gear to fix the rotating gear, thereby preventing the rolling door from falling and improving the safety of the device.
[0015] 2. When the rolling door is rolled up onto the rolling roller, the telescopic pump starts to work. The telescopic pump drives the block to move between the serrations of the sprocket to limit the position of the sprocket, thereby improving the stability of the rolling door. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a three-dimensional schematic diagram of the front structure of a rolling door anti-falling safety device proposed by the utility model;
[0017] Figure 2This is a three-dimensional schematic diagram of the structure of a limit assembly of a rolling shutter door anti-falling safety device proposed by the utility model;
[0018] Figure 3 The utility model provides a three-dimensional cross-sectional view of the structure of a rolling door anti-falling safety device.
[0019] In the figure: 1 guide rail, 2 column, 3 support plate, 4 rolling roller, 5 rolling door plate, 6 fixed plate, 7 U-shaped plate, 8 inclined plate, 9 limit plate, 10 spring frame, 11 air pump, 12 pull rope, 13 telescopic pump, 14 block, 15 vertical plate, 16 rotating machine, 17 chain, 18 protective shell, 19 rotating gear. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] Reference Figure 1-Figure 3 A rolling door anti-falling safety device comprises a guide rail 1, a column 2 is fixedly connected to the upper end surface of the guide rail 1, a support plate 3 is fixedly connected to the side wall of the column 2, a rolling roller 4 is rotatably connected to the support plate 3, a rolling door piece 5 is arranged on the rolling door piece 4, a plurality of bolts are threadedly penetrated on the rolling door piece 5, and a plurality of bolts are threadedly connected to the rolling roller 4, so that the user can install the rolling door piece 5, the rolling door piece 5 slides in the guide rail 1, a transmission assembly is arranged on the guide rail 1, the transmission assembly is arranged on the rolling roller 4, a limit assembly is arranged on the support plate 3, the limit assembly is arranged on the rolling roller 4, and a clamping assembly is arranged on the support plate 3;
[0022] The limiting assembly includes a fixed plate 6 fixedly connected to the side wall of the support plate 3, a rotating gear 19 fixedly connected to the rolling roller 4, a U-shaped plate 7 and an inclined plate 8 fixedly connected to the upper end surface of the fixed plate 6, the inner wall of the U-shaped plate 7 is rotatably connected to the limiting plate 9, a spring frame 10 fixedly connected to the inclined plate 8, and one end of the spring frame 10 away from the inclined plate 8 is fixedly connected to the limiting plate 9, a plurality of support columns are fixedly connected to the lower end surface of the fixed plate 6, a connecting plate is commonly fixedly connected to the plurality of support columns, an air pump 11 is fixedly connected to the upper end surface of the connecting plate, the telescopic end of the air pump 11 slides through the fixed plate 6, a pull ring is fixedly connected to one end of the limiting plate 9, a pull rope 12 is provided on the pull ring, and a bearing is fixedly connected to one end of the inclined plate 8 away from the spring frame 10;
[0023] The pull rope 12 slides through the inclined plate 8 and is fixedly connected to the telescopic end of the air pump 11. The pull rope 12 is arranged on the bearing. The clamping assembly includes a telescopic pump 13 fixedly connected to a side wall of the support plate 3. The telescopic end of the telescopic pump 13 slides through the support plate 3 and is fixedly connected to a clamping block 14. The transmission assembly includes a vertical plate 15 fixedly connected to the guide rail 1. A rotating machine 16 is fixedly connected to one side wall of the vertical plate 15. The output end of the rotating machine 16 rotates and penetrates the vertical plate 15. The rotating machine 16 and the rolling roller 4 are fixedly connected with sprockets. The two sprockets are driven by a chain 17. A protective shell 18 is fixedly connected to the vertical plate 15. The protective shell 18 and the rotating machine 16 are matched. The protective shell 18 can protect the rotating machine 16 and prevent the rotating machine 16 from being damaged by external interference.
[0024] During the use of the utility model, when the rolling door piece 5 needs to be rolled up, the rotating machine 16 starts to work first, and the output end of the rotating machine 16 drives one of the sprocket wheels to rotate. Under the transmission of the chain 17, the other sprocket wheel rotates to realize the rotation of the rolling roller 4. In the process of rolling the rolling door piece 5 onto the rolling roller 4, the rotating gear 19 continuously moves the limiting plate 9 during the rotation process. When the chain 17 breaks during the rolling of the rolling door piece 5, the rolling door piece 5 falls on the guide rail 1, and the rotating gear 19 will reverse. The limiting plate 9 can jam the rotating gear 19 to fix the rotating gear 19, avoid the rolling roller 4 from rotating, prevent the rolling door piece 5 from falling, and improve the efficiency of the device. Safety. When the rolling door piece 5 is rolled up onto the rolling roller 4, the telescopic pump 13 starts to work, and the telescopic pump 13 drives the block 14 to move between the serrations of the sprocket to limit the sprocket and improve the stability of the rolling door piece 5. When the user needs to put down the rolling door piece 5, the telescopic pump 13 contracts, so that the block 14 moves out from between the serrations of the sprocket. Then the air pump 11 starts to work, and the telescopic end of the air pump 11 pulls the pull rope 12, and the pull rope 12 pulls the limit plate 9. At this time, the spring frame 10 contracts, and the limit plate 9 rotates on the U-shaped plate 7, so that the limit plate 9 moves out from between the serrations of the rotating gear 19. Then the rotating machine 16 starts to work, so that the rolling door piece 5 slowly slides down from the guide rail 1.
[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A rolling door anti-falling safety device, comprising a guide rail (1), characterized in that: The upper end surface of the guide rail (1) is fixedly connected to a column (2), the side wall of the column (2) is fixedly connected to a support plate (3), the support plate (3) is rotatably connected to a rolling curtain roller (4), the rolling curtain roller (4) is provided with a rolling curtain door piece (5), the rolling curtain door piece (5) slides in the guide rail (1), the guide rail (1) is provided with a transmission component, the transmission component is arranged on the rolling curtain roller (4), the support plate (3) is provided with a limit component, the limit component is arranged on the rolling curtain roller (4), and the support plate (3) is provided with a clamping component.
2. A rolling door anti-falling safety device according to claim 1, characterized in that: The limiting assembly comprises a fixing plate (6) fixedly connected to the side wall of the supporting plate (3); the rolling curtain roller (4) is fixedly connected to a rotating gear (19); the upper end surface of the fixing plate (6) is fixedly connected to a U-shaped plate (7) and an inclined plate (8); the inner wall of the U-shaped plate (7) is rotatably connected to the limiting plate (9); the inclined plate (8) is fixedly connected to a spring frame (10); one end of the spring frame (10) away from the inclined plate (8) is fixedly connected to the limiting plate (9); and the lower end surface of the fixing plate (6) is fixedly connected to a plurality of supporting members. A support column, wherein a plurality of the support columns are commonly fixedly connected with a connecting plate, an upper surface of the connecting plate is fixedly connected with an air pump (11), the telescopic end of the air pump (11) slides through the fixed plate (6), one end of the limit plate (9) is fixedly connected with a pull ring, a pull rope (12) is provided on the pull ring, one end of the inclined plate (8) away from the spring frame (10) is fixedly connected with a bearing, the pull rope (12) slides through the inclined plate (8) and is fixedly connected to the telescopic end of the air pump (11), and the pull rope (12) is provided on the bearing.
3. The rolling door anti-falling safety device according to claim 1, characterized in that: The clamping assembly comprises a telescopic pump (13) fixedly connected to a side wall of a support plate (3); a telescopic end of the telescopic pump (13) slides through the support plate (3) and is fixedly connected to a clamping block (14).
4. The rolling door anti-falling safety device according to claim 1, characterized in that: The transmission assembly comprises a vertical plate (15) fixedly connected to the guide rail (1), a side wall of the vertical plate (15) being fixedly connected to a rotating machine (16), an output end of the rotating machine (16) being arranged to rotate and penetrate the vertical plate (15), sprockets being fixedly connected to the rotating machine (16) and the rolling roller (4), and transmission between the two sprockets being via a chain (17).
5. A rolling door anti-falling safety device according to claim 4, characterized in that: A protective shell (18) is fixedly connected to the vertical plate (15), and the protective shell (18) and the rotating machine (16) are matched.
6. The rolling door anti-falling safety device according to claim 1, characterized in that: A plurality of bolts are threadedly passed through the rolling shutter door sheet (5), and the plurality of bolts are all threadedly connected to the rolling shutter roller (4).