Support plate for fire resisting shutter

By using a support plate structure made of hot-rolled steel and reinforced with ribs, combined with a motor drive and locking structure, the problems of non-adjustable support plate installation and complex anti-fall devices in traditional systems are solved, enabling the fireproof roller shutter to descend quickly and stably, and extending its service life.

CN223922941UActive Publication Date: 2026-02-17NINGBO JIESHENG MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520043434.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-02-17
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Traditional fireproof roller shutters use a simple bracket plate installation structure that cannot be fine-tuned, and the anti-fall device is complex and can easily get stuck in an emergency, making it impossible to isolate the fire source in time.

Method used

The mounting bracket and base are made of hot-rolled steel and reinforced with ribs. The first and third mounting holes are provided for fine-tuning. The motor-driven gear and locking structure ensure stability. The electric push rod pushes out the gear in case of fire. The locking tongue prevents descent. The guide wheel smooths the chain. The mounting block reduces the impact of dust and water.

Benefits of technology

It achieves both stability and flexibility of the support plate, enabling it to be quickly lowered to isolate the fire source in the event of a fire, improving service life and stability, and reducing the intrusion of dust and water.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of roller shutter doors, and discloses a support plate for a fireproof roller shutter, which comprises a mounting frame, a base is mounted at the top of the mounting frame, a first mounting hole is formed in the surface of the mounting frame, a third mounting hole is formed in the top of the base, a gear is rotatably connected to the top of the base, and a second mounting hole is formed in the top of the gear. And a locking structure is arranged between the gears. According to the support plate for the fireproof roller shutter, the mounting frame and the base are all made of hot rolled steel, the hot rolled steel has the characteristic of high temperature resistance and can provide stable support, the stability of the roller shutter door under the fire disaster condition is ensured when a fire disaster happens, the inner sides of the mounting frame and the base are reinforced through reinforcing ribs, the stability of the support plate is improved, and the service life of the support plate is prolonged. The locking structure can ensure the stability and safety of the roller shutter door under the condition that the roller shutter door is opened or the roller shutter door drops sharply due to external factors, and the electric push rod can push the locking structure out of the gear when a fire disaster occurs, so that the roller shutter door can descend in the first time and is isolated from an ignition point.
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Description

Technical Field

[0001] This utility model relates to the field of roller shutter technology, specifically a support plate for fireproof roller shutters. Background Technology

[0002] As a key component of fire-resistant roller shutters, the support plate plays an important role. The fire resistance of the support plate is also one of the key indicators of fire-resistant roller shutters. With the development of materials science and engineering technology, new composite materials and optimized structural designs are adopted to improve their fire resistance and service life.

[0003] Traditional fireproof roller shutter support plates have a relatively simple installation structure, which makes it impossible to fine-tune the installation position, reducing the fault tolerance of the support plate. In addition, the anti-fall device has a relatively complex structure, which can easily cause the structure to jam in an emergency, making it impossible to isolate the fire source in time. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a support plate for fireproof roller shutters, thereby solving the problems mentioned in the background section.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a support plate for fireproof roller shutters, including a mounting frame, a base mounted on the top of the mounting frame, a first mounting hole on the surface of the mounting frame, a third mounting hole on the top of the base, a mounting seat fixedly mounted on the bottom of the base by bolts, a motor fixedly mounted on the bottom of the mounting seat, and gears rotatably connected to the top of the base, with a locking structure provided between the gears.

[0008] Preferably, the mounting bracket and the base are fixedly connected with reinforcing ribs, and the cross-section of the reinforcing ribs is triangular.

[0009] Preferably, the first mounting hole and the third mounting hole are rectangular grooves, and the first mounting hole and the third mounting hole are distributed on both sides of the reinforcing rib.

[0010] Preferably, an electric push rod is fixedly installed on the right side of the motor, and the telescopic end of the electric push rod is fixedly connected to the bottom of the locking structure.

[0011] Preferably, a locking tongue is fixedly installed on the outside of the locking structure, the locking tongue is engaged in the tooth groove of the gear, and a guide wheel is rotatably connected to the outside of the locking structure.

[0012] Preferably, mounting blocks are fixedly installed on both sides of the top of the base, and several second mounting holes are opened on the outer side of the mounting blocks.

[0013] Compared with the prior art, this utility model provides a fireproof roller shutter support plate with the following advantages: The mounting frame and base of this fireproof roller shutter support plate are both made of hot-rolled steel. Hot-rolled steel has high-temperature resistance and can provide stable support, ensuring the structural stability of the roller shutter in the event of a fire. The mounting frame and base are reinforced with reinforcing ribs, which make the support plate more stable. The first mounting hole on the mounting frame and the third mounting hole on the base are rectangular slots. The first mounting hole allows for fine-tuning of the support plate's position on the wall, and the third mounting hole allows for fine-tuning of the motor on the base to adjust the chain tension. The locking structure can lock the position of the roller shutter when it is open or when it descends rapidly due to external factors, ensuring its stability. In the event of a fire, the electric push rod can push the locking structure out of the gear, ensuring the roller shutter descends immediately to isolate it from the fire. The second mounting hole on the mounting block allows for the installation of a protective cover on the other side of the support plate, reducing dust and water entry into the base and improving the service life and stability of the support plate. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the locking structure of this utility model;

[0016] Figure 3 This is a front view structural diagram of the present utility model;

[0017] Figure 4 This is a schematic diagram of the base structure of this utility model.

[0018] In the diagram: 1. Mounting bracket; 2. Reinforcing rib; 3. First mounting hole; 4. Base; 5. Mounting block; 6. Mounting seat; 7. Motor; 8. Bolt; 9. Gear; 10. Locking structure; 11. Guide wheel; 12. Electric push rod; 13. Second mounting hole; 14. Locking tongue; 15. Third mounting hole. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figure 1-4As shown, this utility model provides a technical solution: a support plate for fireproof roller shutters, including a mounting frame 1, a base 4 mounted on the top of the mounting frame 1, a first mounting hole 3 opened on the surface of the mounting frame 1, a third mounting hole 15 opened on the top of the base 4, a mounting seat 6 fixedly mounted on the bottom of the base 4 by bolts 8, a motor 7 fixedly mounted on the bottom of the mounting seat 6, a gear 9 rotatably connected to the top of the base 4, and a locking structure 10 provided between the gears 9.

[0021] Furthermore, the mounting bracket 1 and the base 4 are fixedly connected with reinforcing ribs 2, the cross section of which is triangular.

[0022] Specifically, the reinforcing rib 2 can effectively distribute and bear the external force applied at the connection between the mounting frame 1 and the base 4, thereby improving the overall structural strength.

[0023] Furthermore, the first mounting hole 3 and the third mounting hole 15 are rectangular grooves, and the first mounting hole 3 and the third mounting hole 15 are distributed on both sides of the reinforcing rib 2.

[0024] Specifically, the first mounting hole 3 allows the mounting bracket 1 to be adjusted in position on the wall, and the third mounting hole 15 allows the position of the motor 7 to be finely adjusted, thus improving the flexibility of the bracket plate.

[0025] Furthermore, an electric push rod 12 is fixedly installed on the right side of the motor 7, and the telescopic end of the electric push rod 12 is fixedly connected to the bottom of the locking structure 10.

[0026] Specifically, in the event of a fire, the electric push rod 12 can push out the locking structure 10, causing the roller shutter door to descend quickly and improving the flexibility of the structure.

[0027] Furthermore, a locking tongue 14 is fixedly installed on the outside of the locking structure 10, and the locking tongue 14 is engaged in the tooth groove of the gear 9. A guide wheel 11 is rotatably connected to the outside of the locking structure 10.

[0028] Specifically, the locking tongue 14 can prevent external factors from causing the roller shutter door to descend and creating safety hazards, while the guide wheel 11 can make the chain rotate smoothly and improve stability.

[0029] Furthermore, mounting blocks 5 are fixedly installed on both sides of the top of the base 4, and several second mounting holes 13 are opened on the outer side of the mounting blocks 5.

[0030] Specifically, the mounting block 5 can be installed between the two bracket plates using the housing through the second mounting hole 13, reducing the impact of dust and water on the gear 9 and improving the service life of the bracket plate.

[0031] Working principle: First, the mounting bracket 1 has a first mounting hole 3 on its surface. The bracket plate is installed on the wall or ceiling through the first mounting hole 3. The top of the mounting bracket 1 is equipped with a base 4, which is fixed by a reinforcing rib 2. The bottom of the base 4 is fixed with a motor 7 by a mounting seat 6 and bolts 8. The third mounting hole 15 allows the mounting seat 6 to move left and right for fine adjustment. The output end of the motor 7 is equipped with a gear 9. When it is necessary to raise or lower the roller shutter door, the adjustment is made by the motor 7 and the gear 9, and the position is fixed by the locking structure 10. The telescopic end of the electric push rod 12 is fixedly connected to the bottom of the locking structure 10, so that in the event of a fire, the locking structure 10 is pushed out of the gear 9, allowing the roller shutter door to quickly descend and isolate the fire source.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A support plate for a fire shutter comprising a mounting bracket (1) characterised in that: The top of the mounting frame (1) is provided with a base (4), the surface of the mounting frame (1) is provided with a first mounting hole (3), the top of the base (4) is provided with a third mounting hole (15), the bottom of the base (4) is fixedly provided with a mounting seat (6) through a bolt (8), the bottom of the mounting seat (6) is fixedly provided with a motor (7), the top of the base (4) is rotatably connected with a gear (9), and the gears (9) are provided with a locking structure (10).

2. A support plate for a fire shutter according to claim 1, characterised in that: The mounting frame (1) and the base (4) are fixedly connected with a reinforcing rib (2) on the inner side, and the cross section of the reinforcing rib (2) is triangular.

3. The support plate for a fire shutter according to claim 1, characterized in that: The first mounting hole (3) and the third mounting hole (15) are in the shape of an oblong slot, and the first mounting hole (3) and the third mounting hole (15) are distributed on both sides of the reinforcing rib (2).

4. The support plate for a fire shutter according to claim 1, characterized in that: The right side of the motor (7) is fixedly provided with an electric push rod (12), and the telescopic end of the electric push rod (12) is fixedly connected to the bottom of the locking structure (10).

5. The support plate for a fire protection shutter according to claim 1, characterized in that: The outer side of the locking structure (10) is fixedly provided with a locking tongue (14), the locking tongue (14) is clamped in the gear slot of the gear (9), and the outer side of the locking structure (10) is rotatably connected with a guide wheel (11).

6. The support plate for a fire protection shutter according to claim 1, characterized in that: The top of the base (4) is fixedly provided with a mounting block (5) on both sides, and the outer side of the mounting block (5) is provided with a plurality of second mounting holes (13). The top of the base (4) is fixedly provided with a mounting block (5) on both sides, and the outer side of the mounting block (5) is provided with a plurality of second mounting holes (13).