Steel fireproof door convenient to observe

By installing components such as window covers, explosion-proof glass, and hydraulic linkages on fire doors, the problem of inconvenient observation of existing fire doors has been solved, enabling convenient observation and efficient firefighting, and enhancing sealing and barrier capabilities.

CN223854121UActive Publication Date: 2026-01-30HUIZHOU YINGDUNHUI IND CO LTD
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Patent Information

Application Number
CN202423307005.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-30
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing steel fire doors lack easily observable window structures, making it easy to miss the best time to extinguish a fire and causing property damage.

Method used

Fire doors are equipped with components such as window covers, explosion-proof glass, hydraulic linkages, and buffer columns. Through the matching design of the window cover and the explosion-proof glass and the use of hydraulic linkages, the observation window can be accurately connected and easily opened, while enhancing its sealing and barrier capabilities.

Benefits of technology

It improves the ease of observation and sealing of fire doors, ensuring that the fire situation can be observed and extinguished in a timely manner during a fire, thereby reducing property loss.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223854121U_ABST
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Abstract

The utility model discloses a steel fireproof door convenient to observe, which relates to the technical field of fireproof doors and comprises a door frame, a window cover plate, a buffer column, a first door plate and a spring, the window cover plate is fixedly connected above the center line of the door frame, and the first door plate and a second door plate are arranged below the door frame. A window cover plate, a limiting block, explosion-proof glass, a hydraulic connecting rod, a limiting bolt and a spring are arranged above the center line of the first door plate, and a buffer column, a protective baffle and a spring are arranged below the center line of the first door plate. The acting force at the two ends can be balanced through the sleeved spring, meanwhile, the protective baffle can be moved towards the two ends, opening of the opening is achieved, and firefighters can conveniently put out flames in a blocked area.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fireproof door technical field, concretely is a steel fireproof door convenient for observation. BACKGROUND

[0002] Fireproof door refers to the door that can satisfy the requirements of fire resistance stability, integrity and heat insulation for a certain time. It is a fireproof partition with certain fire resistance, which is arranged between fireproof compartments, evacuation staircases, vertical shafts and the like, but the existing fireproof door still has some deficiencies, for example:

[0003] The steel fireproof door in the application number CN117948026B does not have a window structure for convenient observation, which makes it difficult to observe the best rescue opportunity in actual use, thereby causing great property loss. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a steel fireproof door convenient for observation to solve the problem that the existing equipment in the market does not have a window structure for convenient observation, which makes it difficult to observe the best rescue opportunity in actual use, thereby causing great property loss.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a steel fireproof door convenient for observation, comprising a door frame, a window cover plate, a buffer column, a first door panel and a spring.

[0006] The window cover plate is fixedly connected above the center line of the door frame, the first door panel and the second door panel are arranged below the door frame, the window cover plate, the limiting block, the explosion-proof glass, the hydraulic connecting rod, the limiting bolt and the spring are arranged above the center line of the first door panel, and the buffer column, the protective baffle and the spring are arranged below the center line of the first door panel.

[0007] As a preferred technical scheme of the utility model, the door frame is provided with an arc-shaped groove structure on the side surface, and a lintel with a height of thirty centimeters is arranged above the door frame, the first door panel is hingedly connected to the left side of the door frame, a handle is arranged at the center line position of the first door panel, and the first door panel adopts a traditional fireproof door lock structure.

[0008] By arranging the lintel with a height of thirty centimeters above the door frame, the blocking area of the equipment as a whole can be increased, the activity space can be reduced, and the blocking ability of the equipment can be ensured.

[0009] As the preferred technical scheme of the utility model, the second door plate hinge is connected to the right side of the door frame, the door frame is opposite to the first door plate, and the edge protection is fixedly connected to the edge position of the first door plate and the second door plate, the edge protection of the first door plate and the second door plate edge is single side setting, and the edge protection is in a wrapping posture and clamps the first door plate and the second door plate in the inside.

[0010] By adopting the above technical scheme, the edge protection of the first door plate and the second door plate edge is set to single side setting, and the wrapping can be realized by the double clamping mode, thereby effectively improving the sealing between the first door plate and the second door plate of the equipment.

[0011] As the preferred technical scheme of the utility model, the explosion-proof glass is fixedly connected to the explosion-proof glass, and the explosion-proof glass is high-temperature-resistant glass, the left end of the hydraulic connecting rod is rotatably connected to the bottom of the window cover plate, and the convex structure is arranged on the side of the window cover plate and matched with the explosion-proof glass.

[0012] By adopting the above technical scheme, the convex structure arranged on the side of the window cover plate and matched with the explosion-proof glass can improve the accuracy of the equipment docking, so that the window cover plate is better attached to the explosion-proof glass, the protection effect of the equipment is ensured, and the hydraulic connecting rod can reduce the equipment load during lifting, thereby effectively improving the convenience of equipment observation.

[0013] As the preferred technical scheme of the utility model, the window cover plate hinge is connected above the center line of the second door plate, the explosion-proof glass of the second door plate is provided with the window cover plate, the right end of the hydraulic connecting rod is rotatably connected to the side of the second door plate, a square groove structure is formed at the mounting position of the hydraulic connecting rod, and the U-shaped handle is fixedly connected to the center line position below the second door plate.

[0014] By adopting the above technical scheme, the hydraulic connecting rod can be accommodated in the square groove structure, so that the tightness of the buckling between the window cover plate and the second door plate is ensured.

[0015] As the preferred technical scheme of the utility model, the buffer column is fixedly connected to the side of the second door plate, the protective baffle is slidably connected to the side of the second door plate, the protective baffle is a circular structure, the U-shaped handle structure is arranged on the side of the protective baffle, the rod-shaped structure is fixedly connected to the right side of the protective baffle, the spring is sleeved on both sides of the protective baffle, and the protective baffle is slidably connected to the inner side of the buffer column.

[0016] By adopting the above technical scheme, the U-shaped handle structure is arranged on the side of the protective baffle, the convenience during use can be improved, the protective baffle is a movable part, the action force of both ends can be balanced by the sleeved spring, and the protective baffle can also be moved to both ends to open the opening, so that the fire fighting personnel can extinguish the fire in the blocked area.

[0017] As the preferred technical scheme of the utility model, the second door plate and the first door plate side window cover plate adopt the same structure design.

[0018] By the same structure, the equipment can improve the appearance and the convenience of maintenance.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] The equipment can increase the blocking area of the whole equipment, reduce the activity space and ensure the blocking ability of the equipment by setting the thirty centimeter lintel above the door frame.

[0021] The equipment can improve the sealing between the first door plate and the second door plate by wrapping through the double clamping mode.

[0022] The equipment can improve the accuracy of the docking of the equipment by matching the convex structure on the side of the window cover plate with the explosion-proof glass, so that the window cover plate is better attached to the explosion-proof glass, the protection effect of the equipment is ensured, the load of the equipment during lifting is reduced by the hydraulic connecting rod, and the convenience of observation is improved.

[0023] The equipment can ensure the tightness of the buckling between the window cover plate and the second door plate by setting the square groove structure at the hydraulic connecting rod installation position.

[0024] The equipment can improve the convenience during use by setting the U-shaped handle structure on the side of the protective baffle, the protective baffle is a movable part, the spring can balance the force at both ends, and the protective baffle can be moved to both ends to open the opening, so that the fireman can extinguish the fire in the blocked area.

[0025] By the same structure, the equipment can improve the appearance and the convenience of maintenance. DRAWINGS

[0026] Figure 1 It is a side view structure schematic diagram of the utility model;

[0027] Figure 2 It is a door frame structure schematic diagram of the utility model;

[0028] Figure 3 It is a second door plate and protective baffle structure schematic diagram of the utility model;

[0029] Figure 4 Limiting bolt and spring structure schematic view of the utility model;

[0030] Figure 5 Buffer column and protective baffle structure schematic view of the utility model;

[0031] Figure 6 Buffer column and spring structure schematic view of the utility model.

[0032] In the drawing: 1, door frame; 2, window cover plate; 3, buffer column; 4, first door plate; 5, second door plate; 6, protective baffle; 7, limiting block; 8, edge guard; 9, explosion-proof glass; 10, hydraulic connecting rod; 11, limiting bolt; 12, spring. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0034] Please refer to Figure 1 - Figure 6 The technical scheme of the utility model: a steel fireproof door convenient to observe, including door frame 1, window cover plate 2, buffer column 3, first door plate 4, second door plate 5, protective baffle 6, limiting block 7, edge guard 8, explosion-proof glass 9, hydraulic connecting rod 10, limiting bolt 11 and spring 12.

[0035] The window cover plate 2 is fixedly connected above the center line of the door frame 1, arc-shaped grooves are arranged on the side of the door frame 1, and a door lintel of 30 cm is arranged above the door frame 1. The first door plate 4 is hingedly connected to the left side of the door frame 1, and a handle is arranged at the center line of the first door plate 4. The first door plate 4 adopts a conventional fireproof door lock structure. The device can increase the overall blocking area of the device, reduce the activity space, and ensure the blocking capacity of the device by arranging a door lintel of 30 cm above the door frame 1. First and second door plates 4 and 5 are arranged below the door frame 1. The second door plate 5 is hingedly connected to the right side of the door frame 1. The door frame 1 is arranged opposite to the first door plate 4. Guard edges 8 are fixedly connected to the edge positions of the first and second door plates 4 and 5. The guard edges 8 of the edges of the first and second door plates 4 and 5 are single-sidedly arranged, and the guard edges 8 are arranged in a wrapping manner to clamp the first and second door plates 4 and 5. The device can realize wrapping through double-clamping, thereby effectively improving the sealing performance between the first and second door plates 4 and 5. A window cover plate 2, a limiting block 7, an explosion-proof glass 9, a hydraulic connecting rod 10, a limiting bolt 11 and a spring 12 are arranged above the center line of the first door plate 4. The explosion-proof glass 9 is fixedly connected to the explosion-proof glass 9, and the explosion-proof glass 9 is high-temperature-resistant glass. The left end of the hydraulic connecting rod 10 is rotatably connected to the bottom of the window cover plate 2. The side of the window cover plate 2 is provided with a protruding structure which is matched with the explosion-proof glass 9. The device can improve the accuracy of docking, so that the window cover plate 2 is better attached to the explosion-proof glass 9, thereby ensuring the protection effect of the device. Meanwhile, the hydraulic connecting rod 10 can reduce the load of the device during lifting, thereby effectively improving the convenience of observation. A buffer column 3, a protective baffle 6 and a spring 12 are arranged below the center line of the first door plate 4. The window cover plate 2 is hingedly connected above the center line of the second door plate 5, and the explosion-proof glass 9 of the second door plate 5 is provided with the window cover plate 2. The right end of the hydraulic connecting rod 10 is rotatably connected to the side of the second door plate 5, and a square groove structure is arranged at the mounting position of the hydraulic connecting rod 10. A U-shaped handle is fixedly connected to the center line below the second door plate 5. The device can accommodate the hydraulic connecting rod 10 in the square groove structure, thereby ensuring the tightness of the clamping between the window cover plate 2 and the second door plate 5. The buffer column 3 is fixedly connected to the side of the second door plate 5. The protective baffle 6 is slidably connected to the side of the second door plate 5. The protective baffle 6 is a circular structure. U-shaped handle structures are arranged on the side of the protective baffle 6. A rod-shaped structure is fixedly connected to the right side of the protective baffle 6. The spring 12 is sleeved on both sides of the protective baffle 6. The protective baffle 6 is slidably connected to the inner side of the buffer column 3. The device can improve the convenience during use by arranging U-shaped handle structures on the side of the protective baffle 6. The protective baffle 6 is a movable part.The spring set 12 can balance the force at both ends, and can also move the protective baffle 6 to both ends, open the opening, facilitate the firemen to extinguish the fire in the blocked area, the second door plate 5 and the first door plate 4 are designed with the same structure, the same structure can improve the appearance of the equipment, and the universality of the equipment can improve the convenience of equipment maintenance, and the hydraulic rod is driven by the same oil cylinder.

[0036] Working principle: when a convenient steel fireproof door is used, first, the limiting pin 11 needs to be pulled down, after the limiting pin 11 is separated from the window cover plate 2, the window cover plate 2 is held, the window cover plate 2 is turned up, the hydraulic rod is used to realize synchronous expansion, the explosion-proof glass 9 is observed, the protective baffle 6 is pulled and turned down, water is sprayed through the hole to the inside, the spread is prevented, and the extinguishing operation is realized.

[0037] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0038] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can also be realized in other ways, and any obvious replacement without departing from the concept of the utility model is within the protection scope of the utility model.

Claims

1. A steel fire door with convenient observation, comprising a door frame (1), a window cover plate (2), a buffer column (3), a first door plate (4) and a spring (12); It is characterized in that: The window cover plate (2) is fixedly connected above the center line of the door frame (1), the first door plate (4) and the second door plate (5) are arranged below the door frame (1), the window cover plate (2), the limiting block (7), the explosion-proof glass (9), the hydraulic connecting rod (10), the limiting bolt (11) and the spring (12) are arranged above the center line of the first door plate (4), and the buffer column (3), the protective baffle (6) and the spring (12) are arranged below the center line of the first door plate (4).

2. A steel fire door for easy observation as defined in claim 1, wherein An arc-shaped groove structure is formed in the side of the door frame (1), and a thirty-centimeter lintel is arranged above the door frame (1), the first door plate (4) is hingedly connected to the left side of the door frame (1), a handle is arranged at the center line position of the first door plate (4), and the first door plate (4) adopts a traditional fire door lock structure.

3. A steel fire door for easy observation according to claim 2, wherein The second door plate (5) is hingedly connected to the right side of the door frame (1), the door frame (1) is arranged opposite to the first door plate (4), the edge protection (8) is fixedly connected to the edge positions of the first door plate (4) and the second door plate (5), the edge protection (8) of the edges of the first door plate (4) and the second door plate (5) is arranged on a single side, and the edge protection (8) is in a wrapping posture to clamp the first door plate (4) and the second door plate (5) inside.

4. A steel fire door for easy observation according to claim 3, wherein The explosion-proof glass (9) is fixedly connected to the explosion-proof glass (9), and the explosion-proof glass (9) is high-temperature-resistant glass, the left end of the hydraulic connecting rod (10) is rotatably connected to the bottom of the window cover plate (2), and the side of the window cover plate (2) is provided with a protruding structure matched with the explosion-proof glass (9).

5. A steel fire door for easy observation according to claim 4, wherein The window cover plate (2) is hingedly connected above the center line of the second door plate (5), and the explosion-proof glass (9) of the second door plate (5) is provided with the window cover plate (2), the right end of the hydraulic connecting rod (10) is rotatably connected to the side of the second door plate (5), a square groove structure is formed at the mounting position of the hydraulic connecting rod (10), and a U-shaped handle is fixedly connected to the center line position below the second door plate (5).

6. A steel fire door for easy observation according to claim 5, wherein The buffer column (3) is fixedly connected to the side of the second door plate (5), the protective baffle (6) is slidably connected to the side of the second door plate (5), the protective baffle (6) is a circular structure, U-shaped handle structures are arranged on the sides of the protective baffles (6), a rod-shaped structure is fixedly connected to the right side of the protective baffle (6), the spring (12) is sleeved on both sides of the protective baffle (6), and the protective baffle (6) is slidably connected to the inner side of the buffer column (3).

7. A steel fire door for easy observation according to claim 6, wherein The window cover plate (2) on the sides of the second door plate (5) and the first door plate (4) adopts the same structure design.

Citation Information

Patent Citations

  • A steel fire door

    CN117948026B