Fireproof rolling shutter door with good impact resistance

By designing support and buffer components, the problem of easy damage at the connection between the adjusting plate and the screw of the fireproof rolling shutter door is solved, achieving effective buffering of impact force and rapid repair, and reducing maintenance costs.

CN223739261UActive Publication Date: 2025-12-30HUBEI BOKUN FIRE FIGHTING EQUIP CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423253941.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-28
Publication Date
2025-12-30
Estimated Expiration
2034-12-28

AI Technical Summary

Technical Problem

The connection between the adjusting plate and the screw rod of existing fireproof roller shutter doors is easily damaged and deformed, which can lead to jamming, high maintenance costs, and affect normal use.

Method used

It adopts a support and buffer component design, including an impact-resistant plate, a front plate, anti-impact pads, telescopic rods, and disassembly components. It buffers impact forces through elastic sliding and rotating structures and supports quick disassembly and replacement of damaged parts.

Benefits of technology

It effectively buffers impact forces, reduces strain on support components, lowers maintenance frequency and costs, and ensures the normal operation of fireproof rolling shutters.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223739261U_ABST
    Figure CN223739261U_ABST
Patent Text Reader

Abstract

The utility model discloses a fireproof rolling shutter door with good impact resistance, and belongs to the technical field of fireproof rolling shutter doors, a lifting mechanism is synchronously started, and a supporting assembly drives a buffer assembly to descend to the front side of the front of a fireproof curtain plate; the front plate located on the front face of the anti-impact plate elastically slides through the first spring ring and is matched with the anti-impact soft cushion so that impact force can be effectively buffered. An inner rotating rod connected to the side face of the buffering assembly through the dismounting and mounting assembly can synchronously rotate in a supporting pipe so as to reduce pulling on the supporting assembly when impact is generated, particularly, when the buffering assembly is damaged, a buckling ring can be taken down from a ring clamp through cooperation of an inserting rod and a second spring ring, and therefore the buffering assembly is not damaged. After the ring clamps at the retaining rings are taken out one by one, the buffer assemblies can be detached from the middles of the two supporting assemblies, and replacement work is completed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to fireproof rolling shutter door technical field, specifically relates to a fireproof rolling shutter door with good impact resistance. BACKGROUND

[0002] The fireproof rolling shutter door is a kind of mechanical door for fire safety, is widely used in the fireproof partition area of industrial and civil buildings, especially in commercial buildings, industrial plants, warehouses, parking lots and high-rise buildings, large-scale commercial places and other places with high risk of personnel concentration, and how to protect the rolling shutter door after being pulled down, avoid the deformation of door body by impact, lead to the normal winding of curtain plate by rolling shutter machine is the problem to be solved urgently at present.

[0003] The applicant finds that China patent discloses "a fireproof rolling shutter door with good impact resistance", and the publication number is "CN220118045U", including door frame, the upper end of door frame is equipped with winding machine, the lower end of winding machine is equipped with fireproof curtain plate, fireproof curtain plate is placed in door frame and is slidably connected with door frame, the front surface of fireproof curtain plate is equipped with adjusting plate, the front surface of adjusting plate is equipped with buffer structure, buffer structure is detachably connected with adjusting plate, the both ends of adjusting plate are respectively equipped with nut seat and sliding sleeve, and nut seat and sliding sleeve are fixed on the back surface of adjusting plate.Adjusting plate with buffer structure is arranged on the front surface of fireproof curtain plate, and lifting structure can control the height of adjusting plate, so that adjusting plate and buffer structure fall in the position needing protection of fireproof curtain plate, when fireproof curtain plate is about to be impacted, buffer structure will contact with impact object in advance, reduces the impact of impact object on fireproof curtain plate, and protects fireproof curtain plate.

[0004] The above-mentioned fireproof rolling shutter door with good impact resistance is provided with adjusting plate in front of fireproof curtain plate, when fireproof curtain plate is in closed period, adjusting plate is driven to rise to reasonable height by motor with screw thread connection on the outer side of screw rod, and buffer pad in the middle of adjusting plate is used to protect fireproof curtain plate.

[0005] The design defect is that adjusting plate is screw thread set on the outer side of screw rod, so when adjusting plate and buffer plate are impacted, adjusting plate and screw rod connection place are prone to damage and deformation, and then adjusting plate is completely stuck in screw rod, and stuck adjusting plate after impact will block the normal coming and going of fireproof curtain, and adjusting plate and screw rod also need to be replaced by overall dismounting during maintenance, so as to cause cost to increase greatly. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model provides a fireproof rolling shutter door with good impact resistance to solve the above-mentioned problems in the prior art.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] According to the first aspect of the utility model, a fireproof rolling shutter door with good impact resistance performance, comprising a support assembly, a lifting mechanism hung on the top of the support assembly, a buffer assembly arranged in the middle of the two groups of support assemblies, the buffer assembly comprising an impact resistance plate, the buffer assembly further comprising a front plate slidably connected to the front of the impact resistance plate and capable of buffering impact, the impact resistance plate further comprising a disassembly assembly arranged at the connection between the two sides of the impact resistance plate and the support assembly and capable of quickly disassembling the impact resistance plate and the support assembly.

[0009] Further, the buffer assembly further comprises a shockproof soft pad fixedly connected to the front of the front plate.

[0010] Further, the buffer assembly further comprises a side pipe fixedly connected to the back of the impact resistance plate, a telescopic rod slidably connected in the side pipe, a first spring ring sleeved on the outside of the telescopic rod, one end of the first spring ring fixedly connected to the side pipe, and the other end of the first spring ring fixedly connected to the front plate.

[0011] Further, the support assembly further comprises a support pipe, the top of the support pipe fixedly connected to the lifting mechanism.

[0012] Further, the support assembly further comprises an inner rotating rod, the inner rotating rod rotatably connected to the inner side of the support pipe, and a side plate fixedly connected to one side of the inner rotating rod.

[0013] Further, the disassembly assembly comprises an inclined rod, the inclined rod fixedly connected to the side of the side plate, and a ring clamp fixedly connected to the side of the inclined rod away from the side plate.

[0014] Further, the disassembly assembly further comprises a second spring ring, the second spring ring arranged on the inner side of the ring clamp, an insertion rod, one end of the insertion rod fixedly connected to the second spring ring, the other end of the second spring ring fixedly connected to the inner wall of the groove of the ring clamp away from the insertion rod, and a handle fixedly connected to the outside of the insertion rod.

[0015] Further, the disassembly assembly further comprises a buckle, the buckle fixedly connected to the side of the impact resistance plate.

[0016] The utility model has the advantages that when the fireproof curtain board is lowered and closed, the lifting mechanism can be started synchronously and the buffer assembly can be driven by the supporting assembly to drop to the front surface of the fireproof curtain board, when the buffer assembly is impacted, the front plate in front of the impact resistance plate can be elastically slid by the first spring ring and cooperate with the impact prevention cushion to effectively buffer the impact force, and when the buffer assembly is impacted, the inner rotating rod connected with the buffer assembly by the dismounting assembly can rotate in the supporting pipe synchronously to reduce the pulling of the supporting assembly caused by the impact, in particular, when the buffer assembly is damaged, the buckle ring can be taken out from the ring clamp by the insertion rod and the second spring ring, and after the ring clamp at the position of the buckle ring is taken out one by one, the buffer assembly can be dismounted from the middle of the two groups of supporting assemblies and the replacement work can be completed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front surface schematic view of the fireproof roller shutter door integral device with good impact resistance provided by some embodiments of the utility model;

[0018] Figure 2 It is a supporting assembly schematic view of the fireproof roller shutter door with good impact resistance provided by some embodiments of the utility model;

[0019] Figure 3 It is an A area enlarged view of the fireproof roller shutter door with good impact resistance provided by some embodiments of the utility model; Figure 2

[0020] Figure 4 It is a dismounting assembly schematic view of the fireproof roller shutter door with good impact resistance provided by some embodiments of the utility model;

[0021] Figure 5 It is a side top schematic view of the fireproof roller shutter door with good impact resistance provided by some embodiments of the utility model;

[0022] Figure 6 It is a B area enlarged view of the fireproof roller shutter door with good impact resistance provided by some embodiments of the utility model; Figure 5

[0023] In the figure: 1, buffer assembly; 11, impact resistance plate; 12, front plate; 121, impact prevention cushion; 13, side pipe; 131, telescopic rod; 132, first spring ring; 2, dismounting assembly; 21, inclined rod; 22, ring clamp; 221, insertion rod; 222, second spring ring; 223, handle; 23, buckle ring; 3, supporting assembly; 31, supporting pipe; 32, inner rotating rod; 321, side plate; 4, lifting mechanism. DETAILED DESCRIPTION

[0024] ​​The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Example

[0025] like Figures 2 to 6 As shown, a fireproof rolling shutter door with good impact resistance in the first aspect embodiment of this utility model includes a support assembly 3, a lifting mechanism 4 suspended on the top of the support assembly 3, a buffer assembly 1 provided in the middle of the two sets of support assemblies 3, the buffer assembly 1 includes an impact-resistant plate 11, the buffer assembly 1 also includes a front plate 12 that is slidably connected to the front of the impact-resistant plate 11 to buffer the impact, and disassembly and assembly components 2 that can quickly disassemble and assemble the impact-resistant plate 11 and the support assembly 3 are provided on both sides of the impact-resistant plate 11 and at the connection of the support assembly 3.

[0026] This design solves the problem that when the adjusting plate and buffer plate are subjected to impact, the connection between the adjusting plate and the screw is easily damaged and deformed, which can cause the adjusting plate to become completely stuck at the screw. After the impact, the stuck adjusting plate will block the normal passage of the fire curtain. During maintenance, the adjusting plate and screw need to be completely disassembled and replaced, which will significantly increase the cost.

[0027] The buffer assembly 1 also includes an anti-impact pad 121, which is fixedly connected to the front of the front plate 12;

[0028] The buffer assembly 1 also includes a side tube 13 symmetrically fixedly connected to the back of the impact-resistant plate 11. A telescopic rod 131 is slidably connected inside the side tube 13. A first spring ring 132 is sleeved on the outside of the telescopic rod 131. One end of the first spring ring 132 is fixedly connected to the side tube 13, and the other end of the first spring ring 132 is fixedly connected to the front plate 12.

[0029] When the buffer assembly 1 is impacted, the front plate 12 located on the front of the impact-resistant plate 11 can effectively buffer the impact force by elastically sliding through the first spring coil 132 and cooperating with the anti-impact soft pad 121. Example

[0030] like Figures 2 to 6 As shown, the support assembly 3 also includes a support tube 31, and the top outer side of the support tube 31 is fixedly connected to the lifting mechanism 4;

[0031] The support assembly 3 also includes an inner rotating rod 32, which is rotatably connected to the inside of the support tube 31, and a side plate 321 is fixedly connected to one side of the inner rotating rod 32.

[0032] When the buffer assembly 1 is impacted, the inner rotating rod 32 connected to the side of the buffer assembly 1 through the dismounting assembly 2 will rotate in the supporting pipe 31 synchronously to reduce the pulling of the supporting assembly 3 when the impact occurs. Embodiments

[0033] As shown in Figures 2 to 6 , the dismounting assembly 2 comprises an inclined rod 21 fixedly connected to the side of the side plate 321, and the inclined rod 21 is fixedly connected with a ring clamp 22 on the side away from the side plate 321;

[0034] As shown in Figure 2 , the dismounting assembly 2 further comprises a second spring ring 222 arranged inside the ring clamp 22, and the dismounting assembly 2 further comprises an insertion rod 221 fixedly connected with the second spring ring 222 at one end, and the second spring ring 222 is fixedly connected with the inner wall of the ring clamp 22 at the end away from the insertion rod 221, and the dismounting assembly 2 further comprises a handle 223 fixedly connected to the outside of the insertion rod 221;

[0035] The dismounting assembly 2 further comprises a buckle 23 fixedly connected to the side of the impact-resistant plate 11;

[0036] When the buffer assembly 1 is damaged, the buckle 23 can be taken out of the ring clamp 22 by the insertion rod 221 cooperating with the second spring ring 222, and after the ring clamp 22 at the buckle 23 is taken out one by one, the buffer assembly 1 can be dismounted from the middle of the two supporting assemblies 3 and the replacement work is completed.

Claims

1. A fireproof rolling door with good impact resistance, comprising a support assembly (3), a lifting mechanism (4) hung on the top of the support assembly (3), characterized in that, The support assembly (3) is provided with a buffer assembly (1) in the middle, the buffer assembly (1) comprises an impact-resistant plate (11), the buffer assembly (1) further comprises a front plate (12) slidably connected to the front of the impact-resistant plate (11) and capable of buffering impact, and the impact-resistant plate (11) is further provided with a dismounting assembly (2) capable of quickly dismounting the impact-resistant plate (11) and the support assembly (3) at the connection between the two.

2. The fire resistant rolling door of claim 1, wherein, The buffer assembly (1) further comprises an impact-preventing soft pad (121) fixedly connected to the front of the front plate (12).

3. The fire resistant rolling door of claim 1, wherein, The buffer assembly (1) further comprises a side pipe (13) fixedly connected to the back of the impact-resistant plate (11), a telescopic rod (131) is slidably connected in the side pipe (13), a first spring ring (132) is arranged outside the telescopic rod (131), one end of the first spring ring (132) is fixedly connected to the side pipe (13), and the other end of the first spring ring (132) is fixedly connected to the front plate (12).

4. The fire resistant rolling door of claim 1, wherein, The support assembly (3) further comprises a support pipe (31), and the top of the outer side of the support pipe (31) is fixedly connected to the lifting mechanism (4).

5. The fire resistant rolling door of claim 1, wherein, The support assembly (3) further comprises an inner rotating rod (32) rotatably connected to the inner side of the support pipe (31), and one side of the inner rotating rod (32) is fixedly connected with a side plate (321).

6. The fire door according to claim 1, wherein, The dismounting assembly (2) comprises an inclined rod (21) fixedly connected to the side of the side plate (321), and the inclined rod (21) is fixedly connected with a ring clamp (22) on the side away from the side plate (321).

7. The fire door according to claim 1, wherein, The dismounting assembly (2) further comprises a second spring ring (222) arranged on the inner side of the ring clamp (22), and the dismounting assembly (2) further comprises an insertion rod (221) having one end fixedly connected to the second spring ring (222), the second spring ring (222) is fixedly connected to the inner wall of the groove of the ring clamp (22) on the side away from the insertion rod (221), and the dismounting assembly (2) further comprises a handle (223) fixedly connected to the outer side of the insertion rod (221).

8. The fire door according to claim 1, wherein, The dismounting assembly (2) further comprises a buckle ring (23) fixedly connected to the side of the impact-resistant plate (11).

Citation Information

Patent Citations

  • Fireproof rolling shutter door with good impact resistance

    CN220118045U