Fireproof door with good anti-collision effect

By setting up collision-proof devices and ceramicized silicone rubber flame retardant layer on the fire door, the problem that existing fire doors cannot resist impact force in fire is solved, and the efficient impact resistance and fire resistance of the fire doors are achieved.

CN222633141UActive Publication Date: 2025-03-18GUANGDONG LANDUN DOOR IND CO LTD
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Patent Information

Application Number
CN202420967186.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-03-18
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

Existing fire doors cannot effectively resist impact during the fire, which may lead to casualties or cannot obtain rescue time.

Method used

A fire door with good anti-collision effect was designed, and a collision-proof device and a flame-retardant layer were provided on the main body of the fire door. The anti-collision device includes a telescopic rod, a collision avoidance plate, a hinged rod and a spring, which can buffer and stabilize the main body of the fire door when it is impacted. The flame retardant layer uses ceramic silicone rubber material, which has excellent fire resistance, flame retardant, low smoke and non-toxic properties.

Benefits of technology

By setting up anti-collision devices and flame retardant layers, the fire door can effectively resist impact forces, prevent the fire door from losing its fireproof effect, and remain stable in the fire environment to ensure personnel safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222633141U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of fireproof doors, and discloses a fireproof door with a good anti-collision effect, which comprises a fireproof door main body, a handle is fixedly connected to the outer wall of the fireproof door main body, a window is fixedly connected to the outer wall of the fireproof door main body, and a door closer is fixedly connected to the top of the fireproof door main body. A mounting block is fixedly connected to the door closer, an anti-collision device is arranged on the fireproof door body, a flame-retardant layer is fixedly connected to the inner wall of the fireproof door body, and a fireproof layer is fixedly connected to the inner wall of the fireproof door body. The fireproof door body is protected by arranging an anti-collision device, when the fireproof door body is impacted, an anti-collision plate transmits impact force to a hinge rod, a telescopic rod is contracted, the hinge rod is shortened and pushes a moving block to move, and the moving block conducts buffering and tends to be stable under the action of a spring; the fireproof door body is prevented from losing the fireproof effect due to impact.
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Description

Technical Field

[0001] The utility model relates to the technical field of fireproof doors, in particular to a fireproof door with good anti-collision effect. Background Art

[0002] A fire door is a door that meets the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. It is a fire-resistant partition with a certain fire resistance installed between fire compartments, evacuation stairwells, vertical shafts, etc. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke.

[0003] After searching, the Chinese patent with publication number: CN218206469U discloses a fireproof door with good sealing performance, including a door frame, the left frame wall and the right frame wall of the door frame are respectively and movably mounted with a No. 1 steel plate door and a connecting device through a plurality of fireproof hinges, the front end of the No. 1 steel plate door and the front end of the connecting device are fixedly connected with a lock handle, the rear end of the No. 1 steel plate door and the rear end of the connecting device are fixedly connected with a pull handle, the upper front end of the door frame is fixedly connected with a partition, the upper end of the partition is fixedly connected with a fireproof device, the rear left part of the door frame is fixedly connected with a door closer, and the right wall of the connecting device is provided with a lock core. The fireproof door with good sealing performance described in the utility model can effectively prevent the spread of fire by providing a connecting device and a fireproof device, and can spray water through the spray hole when a fire occurs, so that the fireproof door can better play a role in fire prevention, ensure the evacuation of personnel, and improve safety.

[0004] but:

[0005] During a fire, flames will disintegrate the building and cause materials to fall. The fire doors' resistance to impact will not be able to effectively resist the impact, which may cause casualties or prevent rescue time. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the deficiencies of the prior art, the utility model provides a fireproof door with good anti-collision effect.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a fireproof door with good anti-collision effect, comprising a fireproof door body, a handle fixedly connected to the outer wall of the fireproof door body, a window fixedly connected to the outer wall of the fireproof door body, a door closer fixedly connected to the top of the fireproof door body, a mounting block fixedly connected to the door closer, an anti-collision device arranged on the fireproof door body, a flame retardant layer fixedly connected to the inner wall of the fireproof door body, and a fireproof layer fixedly connected to the inner wall of the fireproof door body.

[0010] Preferably, the anti-collision device includes a telescopic rod, the telescopic rod is fixedly connected to the outer wall of the fire door body, the anti-collision plate is fixedly connected to the telescopic rod, the outer wall of the fire door body is fixedly connected to a fixed block, the fixed block is fixedly connected to a sliding rod, the sliding rod is fixedly sleeved with a spring, the sliding rod is slidably connected to a moving block via the sliding block, the moving block is hingedly connected to a hinged rod via a hinge block, and the other end of the hinged rod is hinged to the anti-collision plate via the hinge block.

[0011] Preferably, a through slot is provided on the anti-collision plate, and the through slot on the anti-collision plate is matched with the position of the window. By providing the through slot, the user can observe the situation at the other end of the fire door body through the window and the through slot.

[0012] Preferably, the number of the telescopic rod, the fixed block, the spring, the movable block and the hinged rod is four, and the number of the sliding rod is two. By arranging symmetrical anti-collision components, the impact force on the anti-collision plate is reduced as much as possible, thereby enhancing the stability of the fire door body.

[0013] Preferably, the thickness of the flame retardant layer is three centimeters.

[0014] The above technical scheme is adopted. The scheme sets a flame retardant layer, and its material is ceramic silicone rubber. Ceramic silicone rubber has excellent fire resistance, flame retardancy, low smoke, non-toxicity and other characteristics. The extrusion molding process is simple. The residue after combustion is a hard ceramic shell. The hard shell does not melt and drip in a fire environment. It can pass the line integrity test specified in GB / T19216.21-2003 at a temperature of 950℃-1000℃, exposed to fire for 90min, and cooled for 15min. It is suitable for any place that requires fire protection, has no special requirements for equipment, and has a simple processing technology. Production can be achieved using traditional silicone rubber processing equipment, which can reduce production energy consumption and save costs.

[0015] Preferably, the thickness of the fireproof layer is two centimeters.

[0016] The above technical solution is adopted. The solution sets a fireproof layer, and its material is gypsum board. Gypsum board is a material made of building gypsum as the main raw material. It is a building material with light weight, high strength, thin thickness, convenient processing, good sound insulation, heat insulation and fireproof performance. It is one of the new lightweight panels currently being developed. Gypsum board has the characteristics of good stability, no aging, anti-insect, fireproof, sound insulation, heat insulation, etc., and gypsum board belongs to the highest grade A in the material fireproof grade.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a fireproof door with good anti-collision effect, which has the following beneficial effects:

[0019] 1. A fire door with good anti-collision effect protects the fire door body by arranging an anti-collision device. When the fire door body is impacted, the anti-collision plate transmits the impact force to the hinged rod and the telescopic rod is opened and contracted, the hinged rod is shortened and pushes the moving block to move. The moving block is buffered and stabilized under the action of the spring, preventing the fire door body from being impacted and losing the fireproof effect.

[0020] 2. This fireproof door with good anti-collision effect is provided with a flame-retardant layer, and its material is ceramic silicone rubber. Ceramic silicone rubber has excellent fireproof, flame-retardant, low smoke, non-toxic and other characteristics. The extrusion molding process is simple, and the residue after combustion is a hard ceramic shell. The hard shell does not melt and drip in a fire environment. It can pass the line integrity test specified in GB / T19216.21-2003 at a temperature of 950℃-1000℃, exposed to fire for 90min, and cooled for 15min. It is suitable for any place that requires fire protection, has no special requirements for equipment, and has a simple processing technology. It can be produced using traditional silicone rubber processing equipment, which can reduce production energy consumption and save costs. By providing a fireproof layer, its material is gypsum board, and gypsum board is a material made of building gypsum as the main raw material. It is a building material with light weight, high strength, thin thickness, easy processing, and good sound insulation, heat insulation and fire resistance. It is one of the new lightweight panels that are currently being developed. Gypsum board has the characteristics of good stability, no aging, insect resistance, fire resistance, sound insulation, and heat insulation. Moreover, gypsum board belongs to the highest level A in the material fire resistance grade. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0022] In the attached picture:

[0023] Figure 1 This is the front view of the utility model;

[0024] Figure 2 It is a side view of the utility model;

[0025] Figure 3 This is a cross-sectional view of the main body of the fire door of the utility model.

[0026] In the figure: 1. fire door body; 2. handle; 3. window; 4. door closer; 5. mounting block; 6. anti-collision device; 601. telescopic rod; 602. anti-collision plate; 603. fixed block; 604. sliding rod; 605. spring; 606. moving block; 607. hinged rod; 7. flame retardant layer; 8. fireproof layer. DETAILED DESCRIPTION

[0027] 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.

[0028] Example 1

[0029] like Figure 1-3 As shown, the utility model provides a fire door with good anti-collision effect, including a fire door body 1, a handle 2 is fixedly connected to the outer wall of the fire door body 1, a window 3 is fixedly connected to the outer wall of the fire door body 1, a door closer 4 is fixedly connected to the top of the fire door body 1, a mounting block 5 is fixedly connected to the door closer 4, an anti-collision device 6 is arranged on the fire door body 1, a flame retardant layer 7 is fixedly connected to the inner wall of the fire door body 1, a fireproof layer 8 is fixedly connected to the inner wall of the fire door body 1, the anti-collision device 6 includes a telescopic rod 601, the telescopic rod 601 is fixedly connected to the outer wall of the fire door body 1, an anti-collision plate 602 is fixedly connected to the telescopic rod 601, a fixed block 603 is fixedly connected to the outer wall of the fire door body 1, a sliding rod 604 is fixedly connected to the fixed block 603, and a sliding A spring 605 is fixedly sleeved on the rod 604, and a moving block 606 is slidably connected to the sliding rod 604 through a sliding block. A hinged rod 607 is hinged on the moving block 606 through a hinge block. The other end of the hinged rod 607 is hinged to the anti-collision plate 602 through the hinge block. A through groove is provided on the anti-collision plate 602, and the through groove on the anti-collision plate 602 is adapted to the position of the window 3. By providing the through groove, the user can observe the situation at the other end of the fire door body 1 through the window 3 and the through groove. The number of telescopic rods 601, fixed blocks 603, springs 605, moving blocks 606 and hinged rods 607 is four, and the number of sliding rods 604 is two. By providing symmetrical anti-collision components, the impact force on the anti-collision plate 602 is reduced as much as possible, thereby enhancing the stability of the fire door body 1.

[0030] In this embodiment, the fire door body 1 is protected by providing an anti-collision device 6. When the fire door body 1 is impacted, the anti-collision plate 602 transmits the impact force to the hinged rod 607 and the telescopic rod 601 is opened and contracted. The hinged rod 607 is shortened and pushes the moving block 606 to move. The moving block 606 is buffered and stabilized under the action of the spring 605, preventing the fire door body 1 from suffering an impact and losing the fire protection effect.

[0031] Example 2

[0032] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, it also includes: the thickness of the flame retardant layer 7 is three centimeters, and the flame retardant layer 7 is provided, and its material is ceramic silicone rubber. The ceramic silicone rubber has excellent fire resistance, flame retardancy, low smoke, non-toxicity and other characteristics, and the extrusion molding process is simple. The residue after combustion is a hard ceramic shell, and the hard shell does not melt and drip in a fire environment. It can pass the line integrity test specified in GB / T19216.21-2003 at a temperature of 950℃-1000℃, exposed to fire for 90min, and cooled for 15min. It is suitable for any place that requires fire protection, has no special requirements for equipment, and has a simple processing technology. Production can be achieved using traditional silicone rubber processing equipment, which can reduce production energy consumption and save costs. The thickness of the fireproof layer 8 is two centimeters. By providing the fireproof layer 8, its material is gypsum board, and gypsum board is a material made of building gypsum as the main raw material. It is a building material with light weight, high strength, thin thickness, easy processing, and good sound insulation, heat insulation and fire resistance. It is one of the new lightweight panels that are currently being developed. Gypsum board has the characteristics of good stability, no aging, insect resistance, fire resistance, sound insulation, and heat insulation. Moreover, gypsum board belongs to the highest level A in the material fire resistance grade.

[0033] In this embodiment, a flame retardant layer 7 is provided, the material of which is ceramic silicone rubber. Ceramic silicone rubber has excellent fire resistance, flame retardancy, low smoke, non-toxicity and other characteristics, the extrusion molding process is simple, and the residue after combustion is a hard ceramic shell. The hard shell does not melt or drip in a fire environment. It can pass the line integrity test specified in GB / T19216.21-2003 at a temperature of 950°C-1000°C, exposed to fire for 90 minutes, and cooled for 15 minutes. It is suitable for any place that requires fire protection, has no special requirements for equipment, and has a simple processing technology. Production can be achieved using traditional silicone rubber processing equipment, which can reduce production energy consumption and save costs. A fire retardant layer 8 is provided, the material of which is gypsum board, and gypsum board is a material made of building gypsum as the main raw material. It is a building material with light weight, high strength, thin thickness, easy processing, and good sound insulation, heat insulation and fire resistance. It is one of the new lightweight panels that are currently being developed. Gypsum board has the characteristics of good stability, no aging, insect resistance, fire resistance, sound insulation, and heat insulation. Moreover, gypsum board belongs to the highest level A in the material fire resistance grade.

[0034] The following is a detailed description of the working principle of this type of fire door with good anti-collision effect.

[0035] like Figure 1-3As shown, when the fire door body 1 is impacted during use, the anti-collision plate 602 transmits the impact force to the hinged rod 607 and the telescopic rod 601 opens and contracts, the hinged rod 607 shortens and pushes the moving block 606 to move, and the moving block 606 is buffered and stabilized under the action of the spring 605, preventing the fire door body 1 from suffering an impact and losing its fireproof effect, and cooperating with the flame retardant layer 7 and the fireproof layer 8 to prevent the fire door body 1 from burning itself.

Claims

1. A fire door with good anti-collision effect, comprising a fire door body (1), characterized in that: A handle (2) is fixedly connected to the outer wall of the fire door body (1), a window (3) is fixedly connected to the outer wall of the fire door body (1), a door closer (4) is fixedly connected to the top of the fire door body (1), a mounting block (5) is fixedly connected to the door closer (4), an anti-collision device (6) is provided on the fire door body (1), a flame retardant layer (7) is fixedly connected to the inner wall of the fire door body (1), a fireproof layer (8) is fixedly connected to the inner wall of the fire door body (1), the anti-collision device (6) comprises a telescopic rod (601), the telescopic rod (601) is fixedly connected to On the outer wall of the fire door body (1), the telescopic rod (601) is fixedly connected to an anti-collision plate (602), the outer wall of the fire door body (1) is fixedly connected to a fixed block (603), the fixed block (603) is fixedly connected to a sliding rod (604), a spring (605) is fixedly sleeved on the sliding rod (604), a moving block (606) is slidably connected to the sliding rod (604) via the sliding block, a hinged rod (607) is hinged to the moving block (606) via a hinged block, and the other end of the hinged rod (607) is hinged to the anti-collision plate (602) via the hinged block.

2. A fireproof door with good anti-collision effect according to claim 1, characterized in that: The anti-collision plate (602) is provided with a through slot, and the through slot on the anti-collision plate (602) is matched with the position of the viewing window (3).

3. A fireproof door with good anti-collision effect according to claim 1, characterized in that: The number of the telescopic rod (601), the fixed block (603), the spring (605), the moving block (606) and the hinge rod (607) is four, and the number of the sliding rod (604) is two.

4. A fireproof door with good anti-collision effect according to claim 1, characterized in that: The thickness of the flame retardant layer (7) is three centimeters.

5. A fireproof door with good anti-collision effect according to claim 1, characterized in that: The thickness of the fireproof layer (8) is two centimeters.

Citation Information

Patent Citations

  • Fireproof door with good sealing performance

    CN218206469U