Steel fireproof door with noise isolation structure

By designing a connecting mechanism and fire-resistant rubber pads on the steel fire door, the problem of falling ceiling debris blocking the door during a fire is solved, achieving both rapid opening and good noise isolation.

CN223608427UActive Publication Date: 2025-11-28SHAANXI BLUE SHIELD CHUANGZHAN DOOR IND CO LTD
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Patent Information

Application Number
CN202423095765.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-28
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing steel fire doors are often blocked at the bottom by falling ceiling debris during a fire, preventing rescuers from opening them quickly and delaying rescue efforts.

Method used

The design incorporates a steel fire door with a noise isolation structure, including a connecting mechanism and a fire-resistant rubber pad. The connecting mechanism allows the door to be opened from the other side, while the fire-resistant rubber pad enhances sealing and noise isolation.

Benefits of technology

In the event of a fire, it can quickly clear obstacles and open doors to ensure the normal progress of rescue operations, while also improving sealing and noise isolation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223608427U_ABST
Patent Text Reader

Abstract

The utility model discloses a steel fireproof door with a noise isolation structure, which comprises a steel fireproof door body, a communication port is arranged on the steel fireproof door body in a penetrating manner, a communication mechanism is arranged between the steel fireproof door body and the communication port, and the communication mechanism comprises a blocking plate hinged on the front side wall of the steel fireproof door body. And the blocking plate is located in the communicating opening, two limiting blocks are fixedly installed on the front side wall of the blocking plate, inserting holes are formed in the two limiting blocks in a penetrating mode, and a limiting frame is fixedly installed on the front side wall of the steel fireproof door body. The steel fireproof door is reasonable in structural design, when the bottom of the steel fireproof door is blocked by a falling object on a ceiling in a fire disaster, a rescuer can open the steel fireproof door from the other side of the steel fireproof door, the rescuer can conveniently and quickly enter the steel fireproof door to clean obstacles and quickly open the steel fireproof door, and normal rescue operation is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fireproof door technical field especially steel fireproof door with noise isolation structure. BACKGROUND

[0002] Steel fireproof door is mainly used for the fireproof wall opening of building fireproof division, stairway entrance, evacuation walkway, pipe well mouth etc., is used for personnel traffic normally, can play the role of preventing flame spread and preventing combustion smoke flow when fire occurs.

[0003] In prior art, the installed steel fireproof door is generally one-way opening, when fire occurs, the building on the ceiling should be separated and falls and blocks the bottom of the side of the fireproof door, causes the rescuer to be unable to open the steel fireproof door quickly and rescue, delays the rescue opportunity, and we design steel fireproof door with noise isolation structure to solve above problems. UTILITY MODEL CONTENTS

[0004] The utility model relates to fireproof door technical field especially steel fireproof door with noise isolation structure.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] Steel fireproof door with noise isolation structure, including steel fireproof door body, the steel fireproof door body is set up the intercommunication on the through opening, the steel fireproof door body is equipped with intercommunication mechanism between the intercommunication, the intercommunication mechanism includes the blocking plate that is hinged on the front lateral wall of steel fireproof door body, the blocking plate is located in the intercommunication, the front lateral wall of blocking plate is fixedly installed with two limit blocks, two the limit block all is set up the insertion hole on the through opening, the front lateral wall of steel fireproof door body is fixedly installed with the limit frame, the limit frame is connected with the sliding rod on the through sliding, the limit frame is set up the sliding slot, the lateral wall of sliding rod is fixedly installed with the pull rod, the pull rod is through the sliding slot and with its sliding connection, the lateral wall of sliding rod is fixedly installed with two limit pieces, two the limit piece all is through opposite insertion hole.

[0007] Preferably, the inner bottom of the sliding slot is fixedly installed with a first magnetic block, the bottom of the pull rod is fixedly installed with a second magnetic block, the top of the first magnetic block is in contact with the bottom of the second magnetic block and is attracted to each other.

[0008] Preferably, the lateral wall of the steel fireproof door body is fixedly installed with a first fire-resistant rubber pad.

[0009] Preferably, the lateral wall of the blocking plate is fixedly installed with a second fire-resistant rubber pad, and the lateral wall of the second fire-resistant rubber pad is in contact with the inner wall of the intercommunication.

[0010] Preferably, an observation window is arranged on the blocking plate.

[0011] Preferably, a handle is fixedly arranged on the front side wall of the blocking plate.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. When the ceiling falling object blocks the bottom of the steel fireproof door body, the rescuer can open it from the other side, which facilitates the rescuer to quickly enter the interior, clean the obstacle and quickly open the steel fireproof door body, thereby ensuring the normal operation of the rescue operation.

[0014] 2. The first fireproof rubber pad on the steel fireproof door body and the second fireproof rubber pad on the blocking plate can improve the sealing performance of the steel fireproof door body when it is closed, thereby ensuring good noise isolation effect.

[0015] In summary, the utility model has the advantages that when the ceiling falling object blocks the bottom of the steel fireproof door, the rescuer can open it from the other side, which facilitates the rescuer to quickly enter the interior, clean the obstacle and quickly open the steel fireproof door, thereby ensuring the normal operation of the rescue operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the steel fireproof door with noise isolation structure provided by the utility model is shown in the structure schematic view.

[0017] Figure 2 The structure of the steel fireproof door with noise isolation structure provided by the utility model is shown in the structure side view.

[0018] Figure 3 The side structure of the limiting frame is shown in the sectional view.

[0019] Figure 4 The structure of the limiting block is shown in the top view.

[0020] Figure 5 The structure of the limiting block is shown in the top view. Figure 1 The structure of the limiting block is shown in the top view.

[0021] Figure 6 The structure of the limiting block is shown in the top view. Figure 1 The structure of the limiting block is shown in the top view.

[0022] In the figure: 1, steel fireproof door body; 2, first fireproof rubber pad; 3, communication port; 4, blocking plate; 5, second fireproof rubber pad; 6, observation window; 7, handle; 8, limiting block; 9, limiting piece; 10, limiting frame; 11, pull rod; 12, sliding groove; 13, first magnetic block; 14, second magnetic block; 15, sliding rod; 16, insertion hole. DETAILED DESCRIPTION

[0023] 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.

[0024] With reference to Figures 1-6 The steel fireproof door with noise isolation structure comprises a steel fireproof door body 1, a first fireproof rubber pad 2 fixedly installed on the side wall of the steel fireproof door body 1, a communication opening 3 provided on the steel fireproof door body 1, and a communication mechanism arranged between the steel fireproof door body 1 and the communication opening 3. The communication mechanism comprises a blocking plate 4 hingedly arranged on the front side wall of the steel fireproof door body 1, an observation window 6 arranged on the blocking plate 4, a handle 7 fixedly installed on the front side wall of the blocking plate 4, and a second fireproof rubber pad 5 fixedly installed on the side wall of the blocking plate 4. The first fireproof rubber pad 2 on the steel fireproof door body 1 and the second fireproof rubber pad 5 on the blocking plate 4 can improve the sealing performance of the steel fireproof door body 1 when the steel fireproof door body 1 is closed, thereby ensuring good noise isolation effect. The side wall of the second fireproof rubber pad 5 abuts against the inner wall of the communication opening 3, and the blocking plate 4 is located in the communication opening 3. Two limiting blocks 8 are fixedly installed on the front side wall of the blocking plate 4, and insertion holes 16 are provided in the two limiting blocks 8. A limiting frame 10 is fixedly installed on the front side wall of the steel fireproof door body 1, a sliding rod 15 is slidably connected to the limiting frame 10, a sliding groove 12 is formed in the limiting frame 10, a pull rod 11 is fixedly installed on the side wall of the sliding rod 15, the pull rod 11 penetrates through the sliding groove 12 and is slidably connected to the sliding groove 12, and two limiting pieces 9 are fixedly installed on the side wall of the sliding rod 15 and penetrate through the opposite insertion holes 16.

[0025] When the ceiling falling object blocks the bottom of the steel fireproof door body 1 due to fire, the rescuer can open the steel fireproof door body 1 from the other side, so that the rescuer can quickly enter the inside to clean the obstacle and quickly open the steel fireproof door body 1, thereby ensuring the normal operation of the rescue operation.

[0026] A first magnetic block 13 is fixedly installed on the inner bottom of the sliding groove 12, and a second magnetic block 14 is fixedly installed on the bottom of the pull rod 11. The top of the first magnetic block 13 abuts against the bottom of the second magnetic block 14 and is attracted to each other.

[0027] The second magnetic block 14 on the pull rod 11 and the first magnetic block 13 on the sliding groove 12 can ensure the stability of the sliding rod 15.

[0028] The function principle of the utility model can be described by the following operation modes:

[0029] When the fire occurs and the burning causes the ceiling falling object to block the side of the steel fireproof door body 1, first, the rescuer pulls the pull rod 11 upward, the pull rod 11 drives the sliding rod 15 to slide upward, the sliding rod 15 drives the two limiting pieces 9 to slide upward, so that the two limiting pieces 9 are separated from the corresponding limiting blocks 8, then the rescuer pulls the handle 7 to drive the blocking plate 4 to rotate and open, then the actual personnel enters the inside through the opened communication port 3, then performs the rescue or removes the obstacle blocking the steel fireproof door body 1 to open the steel fireproof door body 1 to perform the rescue.

[0030] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Steel fire door with noise insulation, comprising a steel fire door body (1), characterized in that, The steel fireproof door body (1) is provided with a communication port (3) penetratingly arranged thereon, and a communication mechanism is arranged between the steel fireproof door body (1) and the communication port (3); The communication mechanism comprises a blocking plate (4) hingedly arranged on the front side wall of the steel fireproof door body (1), the blocking plate (4) is located in the communication port (3), two limiting blocks (8) are fixedly installed on the front side wall of the blocking plate (4), two insertion holes (16) are penetratingly arranged on the limiting blocks (8), a limiting frame (10) is fixedly installed on the front side wall of the steel fireproof door body (1), a sliding rod (15) is slidingly connected to the limiting frame (10) penetratingly, a sliding groove (12) is arranged on the limiting frame (10), a pull rod (11) is fixedly installed on the side wall of the sliding rod (15), the pull rod (11) penetrates the sliding groove (12) and is slidingly connected thereto, and two limiting members (9) are fixedly installed on the side wall of the sliding rod (15), the limiting members (9) penetrate the opposite insertion holes (16).

2. The steel fire door with noise isolation structure according to claim 1, characterized in that, A first magnetic block (13) is fixedly installed on the inner bottom of the sliding groove (12), a second magnetic block (14) is fixedly installed on the bottom of the pull rod (11), the top of the first magnetic block (13) abuts against the bottom of the second magnetic block (14) and is attracted to each other.

3. The steel fire door with noise isolation structure according to claim 1, characterized in that, A first fireproof rubber pad (2) is fixedly installed on the side wall of the steel fireproof door body (1).

4. The steel fire door with noise isolation structure according to claim 1, characterized in that, A second fireproof rubber pad (5) is fixedly installed on the side wall of the blocking plate (4), and the side wall of the second fireproof rubber pad (5) abuts against the inner wall of the communication port (3).

5. The steel fire door with noise isolation structure according to claim 1, characterized in that, An observation window (6) is arranged on the blocking plate (4).

6. The steel fire protection door with noise isolation according to claim 1, wherein, A handle (7) is fixedly installed on the front side wall of the blocking plate (4).