Vertical falling type smoke-proof curtain

By designing a vertical smoke curtain structure, the smoke curtain is rolled up and unrolled using a motor-driven roller shaft, and quick assembly and disassembly of the smoke curtain are achieved through a sliding rod and linkage installation components. This solves the problem of the difficulty in disassembling existing smoke curtains and improves replacement efficiency.

CN224032526UActive Publication Date: 2026-03-24SHANGHAI SHUDING TECH DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing smoke curtains are not easy to disassemble individually after installation, making it difficult to replace them in a timely manner when they are damaged, and the disassembly and assembly process is cumbersome.

Method used

A vertical smoke curtain was designed, which adopts a structure including a top frame, side frame, motor, drive shaft, roller shaft and toggle mounting components. The motor drives the roller shaft to realize the winding and unwinding of the smoke curtain, and the slide rod and linkage mounting components enable the quick assembly and disassembly of the smoke curtain, simplifying the assembly and disassembly process.

Benefits of technology

It enables quick disassembly and replacement of smoke curtains, simplifies the operation process, avoids reliance on special tools, and improves maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drooping type smoke-proof curtain, which relates to the field of smoke-proof curtains, and comprises a top frame, the two sides of the lower end part of the top frame are fixedly connected with borders, the side of the top frame is fixedly connected with a motor, the output shaft of the motor is in transmission connection with a driving shaft, and the driving shaft is matched with a roll shaft through a shifting mounting assembly. The driving shaft and the roller shaft are in transmission connection through a linkage installation assembly, a smoke-proof curtain is installed on the outer ring of the roller shaft in a winding mode, and the lower end of the smoke-proof curtain penetrates through a transverse groove reserved in the bottom of the top frame and is fixedly connected with a saddle weight. The two sliding rods are driven to move by oppositely shifting the two ring blocks, when the sliding rods move towards the interiors of the sliding grooves to be away from the columnar grooves and the clamping grooves, the smoke prevention curtain can be detached, and the two ends of the follow-up roller shaft are opposite to the columnar grooves and the clamping grooves in position; and the springs return to move to push the sliding rods to be matched with the corresponding columnar grooves and the clamping grooves to achieve installation of the smoke-proof curtain, and disassembly, assembly, maintenance and regular replacement of the smoke-proof curtain are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of smoke curtain, concretely relates to a vertical smoke curtain. BACKGROUND

[0002] The smoke curtain is an important fire-fighting facility, and is designed to prevent the spread of smoke, mainly used to prevent the spread and diffusion of fire smoke, facilitate personnel evacuation, reduce the harm of smoke, and effectively improve the fire prevention and control capacity of large-scale commercial places such as shopping malls and supermarkets, and protect the safety of customers and employees.

[0003] The existing smoke curtain has the following problems in use: the existing smoke curtain is inconvenient to disassemble alone after installation, so that it is inconvenient to replace the damaged curtain in time when the smoke curtain is not used for a long time, and special tools may be required for disassembly, resulting in large overall disassembly difficulty and complicated process.

[0004] Therefore, it is necessary to provide a vertical smoke curtain to solve the above problems. SUMMARY

[0005] The utility model discloses a vertical smoke curtain, which solves the problem of inconvenient disassembly of the existing smoke curtain after installation, and the damaged curtain is inconvenient to replace in time when the smoke curtain is not used for a long time, and special tools may be required for disassembly, resulting in large overall disassembly difficulty and complicated process.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a vertical smoke curtain, comprising a top frame, the lower end of the top frame is fixedly connected with a frame on both sides, the side of the top frame is fixedly connected with a motor, the output shaft of the motor is drivingly connected with a driving shaft, the driving shaft is installed and matched with a roller shaft through a dialing installation assembly, the driving shaft and the roller shaft are drivingly connected through a linkage installation assembly, the outer ring of the roller shaft is installed with a smoke curtain, the lower end of the smoke curtain passes through the horizontal groove reserved at the bottom of the top frame and is fixedly connected with a heavy block, the heavy block is slidingly connected with the vertical groove reserved in the frame, and the vertical groove is communicated with the horizontal groove.

[0007] Preferably, the two end walls of the roller shaft are in close contact with the two end inner walls of the top frame and are slidingly connected, which facilitates the subsequent overall replacement of the smoke curtain.

[0008] Preferably, the dial mounting assembly comprises open grooves reserved at both ends of the roller shaft, and both grooves are internally connected with slide rods by springs, and one end of the slide rod is matched with a cylindrical groove reserved in the top frame, and the other slide rod is connected with the driving shaft through a linkage mounting assembly to ensure the smooth movement of the smoke curtain.

[0009] Preferably, the end of the slide rod in the groove is fixedly connected with a connecting rod on both sides of the wall, and the connecting rod is fixedly connected with a ring block sleeved on the outer ring of the roller shaft, and the connecting rod is slidably connected with a groove reserved in the roller shaft and communicated with the groove, facilitating the installation and replacement of the smoke curtain by moving the slide rod.

[0010] Preferably, the linkage mounting assembly comprises a clamping groove reserved in the driving shaft, and the clamping groove is matched with a protrusion fixedly connected with one slide rod and the outer wall of the slide rod, and the rotation of the driving shaft drives the rotation of the roller shaft, thereby winding or unwinding the smoke curtain.

[0011] Preferably, the outer wall of the protrusion is matched with the inner wall of a square groove reserved in the corresponding groove to ensure the smooth movement of the slide rod with the protrusion in the groove.

[0012] In the above technical solution, the technical effects and advantages of the present application are provided:

[0013] The present application drives two slide rods by moving the two ring blocks towards each other, and when the slide rods move away from the cylindrical groove and the clamping groove, the smoke curtain can be removed. The subsequent roller shafts are opposite to the cylindrical groove and the clamping groove, and the spring reset movement pushes the slide rod to match the cylindrical groove and the clamping groove to install the smoke curtain, facilitating the disassembly, maintenance and regular replacement of the smoke curtain. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art based on these drawings.

[0015] Figure 1 It is the overall structure of the present application;

[0016] Figure 2 It is the overall structure (excluding the smoke curtain) of the present application;

[0017] Figure 3 It is the internal structure of the top frame and the frame (partially cut state) of the present application;

[0018] Figure 4The internal structure explosion view of the roller shaft (partially cut state) of the utility model.

[0019] Mark explanation:

[0020] 1, top frame; 2, frame; 3, motor; 4, drive shaft; 5, roller shaft; 6, smoke curtain; 7, heavy block; 8, vertical slot; 9, horizontal slot; 10, knob installation assembly; 101, sliding groove; 102, sliding rod; 103, ring block; 104, connecting rod; 105, channel; 106, spring; 11, linkage installation assembly; 111, protruding block; 112, clamping groove; 113, square groove; 12, columnar groove. Specific implementation

[0021] In order to make the technical personnel in the field better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0022] The utility model provides a kind of smoke curtain of vertical descent as shown in Figures 1-4 It is provided that the utility model discloses a kind of smoke curtain of vertical descent, including top frame 1, the lower end portion both sides of top frame 1 are fixedly connected with frame 2, the side of top frame 1 is fixedly connected with motor 3, and the output shaft of motor 3 is drivingly connected with drive shaft 4, and drive shaft 4 is installed with roller shaft 5 by knob installation assembly 10 and realizes installation cooperation, drive shaft 4 and roller shaft 5 are connected by linkage installation assembly 11 and realize transmission, the outer ring of roller shaft 5 is installed with smoke curtain 6, and smoke curtain 6 lower end portion passes through the horizontal slot 9 reserved in the bottom of top frame 1 and is fixedly connected with heavy block 7, and heavy block 7 and the vertical slot 8 reserved in the inside of frame 2 are slidingly connected, and vertical slot 8 is communicated with horizontal slot 9.

[0023] The both end walls of roller shaft 5 are attached to the both end inner walls of top frame 1 and realize sliding connection, facilitate subsequent roller shaft 5 and top frame 1 realize disassembly and assembly, in turn realize the overall quick replacement of smoke curtain 6, it is convenient and fast to operate, need not help outside tool to realize disassembly and assembly processing, overall operation is relatively simple.

[0024] For the installation of the roller shaft 5 and the driving member to drive the winding and unwinding of the smoke curtain 6, the push installation assembly 10 comprises the open grooves 101 reserved at both ends of the roller shaft 5, the inner part of the grooves 101 is slidably connected with the slide rods 102 through the springs 106, one end of the slide rod 102 is matched with the cylindrical groove 12 reserved in the top frame 1, the other end of the slide rod 102 is connected with the driving shaft 4 through the linkage installation assembly 11, which ensures the smooth movement of the smoke curtain 6, the end walls of the slide rod 102 located in the grooves 101 are fixedly connected with the connecting rods 104, the connecting rods 104 are fixedly connected with the ring blocks 103 movably sleeved on the outer ring of the roller shaft 5, and the connecting rods 104 are slidably connected with the grooves 105 reserved in the roller shaft 5 and communicated with the grooves 101, which facilitates the movement of the ring blocks 103 movably sleeved on the outer ring of the roller shaft 5 to drive the slide rod 102 to move, so as to realize the dismounting of the roller shaft 5, the driving shaft 4 and the cylindrical groove 12, and the installation and replacement of the smoke curtain 6, and when the slide rod 102 with the protrusions 111 is moved, the protrusions 111 are matched with the open square grooves 113 reserved at the ends of the roller shaft 5, so that the slide rod 102 with the protrusions 111 moves smoothly in the grooves 101.

[0025] For the installation of the roller shaft 5 and the driving member to drive the winding and unwinding of the smoke curtain 6, the push installation assembly 10 comprises the open grooves 101 reserved at both ends of the roller shaft 5, the inner part of the grooves 101 is slidably connected with the slide rods 102 through the springs 106, one end of the slide rod 102 is matched with the cylindrical groove 12 reserved in the top frame 1, the other end of the slide rod 102 is connected with the driving shaft 4 through the linkage installation assembly 11, which ensures the smooth movement of the smoke curtain 6, the end walls of the slide rod 102 located in the grooves 101 are fixedly connected with the connecting rods 104, the connecting rods 104 are fixedly connected with the ring blocks 103 movably sleeved on the outer ring of the roller shaft 5, and the connecting rods 104 are slidably connected with the grooves 105 reserved in the roller shaft 5 and communicated with the grooves 101, which facilitates the movement of the ring blocks 103 movably sleeved on the outer ring of the roller shaft 5 to drive the slide rod 102 to move, so as to realize the dismounting of the roller shaft 5, the driving shaft 4 and the cylindrical groove 12, and the installation and replacement of the smoke curtain 6, and when the slide rod 102 with the protrusions 111 is moved, the protrusions 111 are matched with the open square grooves 113 reserved at the ends of the roller shaft 5, so that the slide rod 102 with the protrusions 111 moves smoothly in the grooves 101.

[0026] Working principle: when using a vertical smoke curtain, first start the motor 3 to drive the rotation of the driving shaft 4 connected with the output shaft of the motor 3 and the roller shaft 5 connected with the driving shaft 4 through the linkage installation assembly 11, so as to wind or unwind the smoke curtain 6 wound on the outer ring of the roller shaft 5, and in the process of unwinding the smoke curtain 6, the heavy weight 7 moves in the vertical groove 8, the heavy weight 7 pulls the smoke curtain 6 to ensure that the smoke curtain 6 does not float and move during the vertical winding and unwinding process, so as to ensure the stability of the smoke curtain 6 during winding and unwinding.

[0027] When the smoke curtain 6 needs to be replaced and dismounted, the two ring blocks 103 are moved towards each other to drive the two slide rods 102 to move towards the inner part of the grooves 101, when the slide rods 102 move away from the cylindrical groove 12 and the clamping groove 112, the smoke curtain 6 can be dismounted.

[0028] When the smoke-proof curtain 6 needs to be installed subsequently, first, the two ring blocks 103 are actuated to drive the two slide rods 102 fixedly connected with the two ring blocks 103 to move towards the interior of the slide groove 101, the end of the slide rod 102 is aligned with the slot of the slide groove 101, then the weight block 7 is matched with the vertical slot 8 after passing through the interior of the horizontal slot 9, and then the roller shaft 5 is matched with the columnar slot 12 and the clamping slot 112 at the opposite positions, so that when the ring block 103 is released subsequently, the spring 106 is reset to move to push the slide rod 102 to be matched with the columnar slot 12 and the clamping slot 112 to achieve the installation of the smoke-proof curtain 6.

[0029] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A vertical smoke curtain, comprising a top frame (1), characterized in that, The lower end of the top frame (1) is fixedly connected to the two sides of the frame (2). The side of the top frame (1) is fixedly connected to the motor (3). The output shaft of the motor (3) is driven by the drive shaft (4). The drive shaft (4) is installed and matched with the roller shaft (5) by the toggle mounting assembly (10). The drive shaft (4) and the roller shaft (5) are connected by the linkage mounting assembly (11). The outer ring of the roller shaft (5) is wound with a smoke curtain (6). The lower end of the smoke curtain (6) passes through the horizontal groove (9) reserved at the bottom of the top frame (1) and is fixedly connected to the counterweight (7). Furthermore, the counterweight (7) and the reserved vertical groove (8) inside the frame (2) are in a sliding connection. The vertical groove (8) is connected to the horizontal groove (9). The actuating mounting assembly (10) includes open slide grooves (101) reserved at both ends of the roller shaft (5). The interior of both slide grooves (101) is slidably connected to slide rods (102) by springs (106). The end of one slide rod (102) matches the columnar groove (12) reserved inside the top frame (1). The other slide rod (102) is connected to the drive shaft (4) through the linkage mounting assembly (11).

2. A vertical smoke curtain according to claim 1, characterized in that, The two end walls of the roller (5) are attached to the inner walls of the two end ends of the top frame (1) to achieve a sliding connection.

3. A vertical smoke curtain according to claim 1, characterized in that, The slide bar (102) is fixedly connected to the two side walls of the end of the slide groove (101) with connecting rods (104), and the connecting rods (104) are fixedly connected to the ring block (103) that is movably fitted on the outer ring of the roller shaft (5), and the connecting rods (104) are slidably connected to the groove (105) reserved inside the roller shaft (5) that communicates with the slide groove (101).

4. A vertical smoke curtain according to claim 1, characterized in that, The linkage mounting assembly (11) includes a snap-fit ​​groove (112) pre-reserved inside the drive shaft (4), and the snap-fit ​​groove (112) matches a slide bar (102) and a protrusion (111) fixedly connected to the outer wall of the slide bar (102).

5. A vertical smoke curtain according to claim 4, characterized in that, The outer wall of the protrusion (111) is attached to the inner wall of the square groove (113) reserved inside the corresponding slide groove (101) to achieve a sliding connection.