Fireproof door safety assembly

By designing a frame slider rail structure and sealing components, the problem of fire doors being unable to close quickly during a fire was solved, achieving automatic closing and multiple sealing, enhancing fire resistance and ensuring personnel safety.

CN223806037UActive Publication Date: 2026-01-16ZHUMADIAN GOLDEN SHIELD DOOR IND CO LTD
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Patent Information

Application Number
CN202423048873.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2026-01-16
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing fire door safety components are difficult to close quickly during a fire, causing fire and smoke to spread and failing to effectively block fire hazards.

Method used

A fire door safety component has been designed, including a frame, slider, slide rail, spring, sealing component, and graphite material. The slider slides on the slide rail to achieve automatic closing, and the sealing component and graphite material enhance the sealing effect during a fire to prevent the spread of flames and smoke.

Benefits of technology

It enables fire doors to close quickly and automatically and provide multiple seals during a fire, effectively blocking flames, smoke, and heat to ensure personnel safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fireproof doors, and discloses a fireproof door safety assembly which comprises a frame, the front side of the frame is fixedly connected with two first fixing blocks, the bottom of one first fixing block is rotationally connected with a first connecting rod, the bottom of the first connecting rod is rotationally connected with a second connecting rod, and the bottom of the second connecting rod is fixedly connected with the frame. The bottom of the second connecting rod is rotatably connected with an acting block, the front side and the rear side of the acting block are fixedly connected with sliding blocks, the outer portions of the sliding blocks are slidably connected with sliding rails, the right sides of the sliding blocks are fixedly connected with first springs, the far sides of the two sliding rails are fixedly connected with an adjusting box, and a sliding groove is formed in the adjusting box. The rear side of the adjusting box is fixedly connected with a first door. According to the fireproof door, the door can be closed in time after people pass, fire and smoke diffusion are effectively blocked, the fireproof separation effect of a building under emergency situations such as a fire disaster is greatly enhanced, and the life safety of people is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fireproof door technical field especially relates to a fireproof door safety assembly. BACKGROUND

[0002] Fireproof door is a kind of door with fireproof function, can prevent the spread of fire for a certain time, and personnel evacuation and fire rescue gain time, it is mainly installed in the key position of building fireproof subarea, evacuation passage etc., is the important component part of building fireproof separation facility;Safety assembly is the collection of various components that guarantee the safety of device, equipment or structure, they cooperate with each other, and jointly play the function of safety protection, these components can be physical device, such as mechanical component, electronic element etc., can also be software module, prevent the occurrence of dangerous situation through control, monitoring etc.

[0003] Fireproof door safety assembly is the component combination installed on fireproof door to ensure its fireproof performance, including door closer and fireproof lock etc., door closer utilizes hydraulic device, stores energy when door opens, and automatically slowly closes fireproof door when external force disappears, prevents the spread of fire and smoke, fireproof lock can be normally used in normal time, resists high temperature in fire, guarantees the closing state of door, some have emergency escape function, facilitate personnel evacuation.

[0004] In prior art, part of fireproof door safety assembly is difficult to provide enough force to overcome the gravity and friction of door due to the heavy fireproof door, leads to slow door closing or even difficult to completely close, in the installation of thick fireproof door in some large industrial plant, if using the door closer with small power, it is difficult to guarantee automatic closing effect, thereby leading to difficult to close door in time when fire occurs, makes the fire and smoke can quickly spread to other areas, expands the fire hazard range, and a kind of fireproof door safety assembly is proposed to solve the above problems. CONTENT OF UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides a kind of fireproof door safety assembly, to improve the problem of difficult to close door in time in prior art when fire occurs.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] A fireproof door safety assembly, including a frame, the front side of the frame is fixedly connected with two fixed blocks one, the bottom of one of the fixed blocks one is rotatably connected with a connecting rod one, the bottom of the connecting rod one is rotatably connected with a connecting rod two, the bottom of the connecting rod two is rotatably connected with an action block, the front and rear sides of the action block are fixedly connected with sliding blocks, the outside of the sliding blocks is slidably connected with slide rails, the right side of the sliding blocks is fixedly connected with springs one, the far sides of the two slide rails are fixedly connected with adjusting boxes, the inside of the adjusting boxes is provided with sliding grooves, the rear side of the adjusting boxes is fixedly connected with doors one, the outside of the doors one is fixedly connected with sleeving blocks, the inside of the sleeving blocks is fixedly connected with sealing assemblies for sealing fireproof doors;

[0008] As a further description of the above technical solutions:

[0009] The sealing assembly includes graphite, the inner wall of the door one is fixedly connected with a plurality of springs two, the right side of the springs two is fixedly connected with sealing strips, the rear side of the other adjusting box is fixedly connected with a door two, the left side of the door two is fixedly connected with a protruding block;

[0010] As a further description of the above technical solutions:

[0011] The outside of the frame is fixedly connected with two sealing rings, the front side of the frame is fixedly connected with a plurality of hinges;

[0012] As a further description of the above technical solutions:

[0013] The rear side of two of the hinges is fixedly connected with the door one, the rear side of the other two hinges is fixedly connected with the door two;

[0014] As a further description of the above technical solutions:

[0015] The outside of the action block is slidably connected in the inside of the adjusting box, the rear side of the springs one is fixedly connected to the inner wall of the slide rails;

[0016] As a further description of the above technical solutions:

[0017] The outside of the protruding block and the outside of the sealing strip are in contact, the outside of the graphite that expands when on fire and the inner wall of the frame are in contact;

[0018] As a further description of the above technical solutions:

[0019] The outside of the sealing ring and the outside of the door one are in contact, the front side of the door one and the door two is respectively fixedly connected with handles;

[0020] As a further description of the above technical solutions:

[0021] The outer part of the sealing ring is in contact with the outer part of the second door, and the outer part of the sliding rail is fixedly connected to the inner wall of the adjusting box.

[0022] The utility model has the advantages of the following:

[0023] 1、 the utility model discloses, through handle pull fire door, fire door passes through its action block and drives connecting rod no.

[0024] 2、 the utility model discloses, when fire door closes, through the extrusion of the convex block to the sealing strip, because the automatic reset of spring no. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic view of the fire door safety assembly proposed in the utility model;

[0026] Figure 2 It is a structural schematic view of the connecting rod no.

[0027] Figure 3 It is a structural schematic view of the action block of the fire door safety assembly proposed in the utility model;

[0028] Figure 4 It is Figure 2 It is an enlarged view of A in the utility model.

[0029] LEGEND:

[0030] 1, frame; 2, fixed block one; 3, connecting rod one; 4, connecting rod two; 5, action block; 6, sliding block; 7, slide rail; 8, spring one; 9, adjusting box; 10, sliding groove; 11, door one; 12, set block; 13, graphite; 14, spring two; 15, sealing strip; 16, door two; 17, protruding block; 18, sealing ring; 19, hinge; 20, handle. DETAILED DESCRIPTION

[0031] 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 labor fall within the scope of protection of the utility model.

[0032] Referring to Figures 1 to 3 An embodiment provided by the utility model: a fireproof door safety assembly, comprising a frame 1, the frame 1 is a basic structure, two fixed blocks one 2 are fixedly connected to the front side of the frame 1, the fixed block one 2 provides stable support points for the connection of subsequent components, the bottom of one of the fixed blocks one 2 is rotatably connected with a connecting rod one 3, the connecting rod one 3 can stably transmit force when under stress, the bottom of the connecting rod one 3 is rotatably connected with a connecting rod two 4, so that the connecting rod two 4 can smoothly change the angle relative to the connecting rod one 3, the bottom of the connecting rod two 4 is rotatably connected with an action block 5, and the action block 5 slides to complete the opening of the door.

[0033] The front and rear sides of the action block 5 are fixedly connected with sliding blocks 6, the outside of the sliding blocks 6 is slidably connected with slide rails 7, so that the sliding blocks 6 can be stable inside the slide rails 7, the right side of the sliding blocks 6 is fixedly connected with spring ones 8, the spring ones 8 provide sufficient resilience for the sliding blocks 6 and can also ensure stable performance during long-term use, the far sides of the two slide rails 7 are fixedly connected with adjusting boxes 9, the adjusting boxes 9 are used to place components for automatically closing the door, the inside of the adjusting boxes 9 is provided with sliding grooves 10, the sliding grooves 10 are used to drive the action block 5 to slide by the connecting rod two 4, the rear side of the adjusting boxes 9 is fixedly connected with a door one 11, the door one 11 is one of the fireproof doors, the outside of the door one 11 is fixedly connected with a set block 12, the set block 12 provides support for graphite 13, and the inside of the set block 12 is fixedly connected with a sealing assembly for sealing the fireproof door.

[0034] Referring to Figure 2 and Figure 4, the sealing assembly includes graphite 13, effectively filling the gap between the door and the door frame, preventing the penetration of flames and smoke, the inner wall of the door one 11 is fixedly connected with a plurality of springs two 14, the springs two 14 provide stable and continuous elastic support for the subsequent sealing strip 15, the right side of the spring two 14 is fixedly connected with the sealing strip 15, the sealing strip 15 enhances the friction between the door and the door frame and the sealing effect, the rear side of the other adjusting box 9 is fixedly connected with the door two 16, the door two 16 and the door one 11 are matched in structure and material, and together constitute the main body of the fireproof door, the left side of the door two 16 is fixedly connected with the protruding block 17, the protruding block 17 can be accurately inserted into the sealing groove of the door one 11, and plays a positioning and auxiliary sealing role.

[0035] Referring to Figure 1 and Figure 2 , the outer side of the frame 1 is fixedly connected with two sealing rings 18, which can be closely contacted when contacting with the outer side of the door one 11 and the door two 16, forming an effective sealing interface, the front side of the frame 1 is fixedly connected with a plurality of hinges 19, the hinges 19 have smooth rotating shafts and sufficient bearing capacity, the rear side of two of the hinges 19 is fixedly connected with the door one 11, ensuring that the door one 11 can be stably opened and closed on the hinges 19, the rear side of the other two hinges 19 is fixedly connected with the door two 16, so that the door two 16 can also be flexibly rotated on the frame 1, and cooperates with the door one 11, together realizing the opening and closing function of the fireproof door, the outer side of the action block 5 is slidingly connected in the inner side of the adjusting box 9, to ensure that the action block 5 slides smoothly therein;

[0036] The rear side of the spring one 8 is fixedly connected to the inner wall of the sliding rail 7, and the spring one 8 plays a key role in resetting and auxiliary control in the operation mechanism of the fireproof door, the outer side of the protruding block 17 and the outer side of the sealing strip 15 are in contact, forming a tight sealing structure to prevent leakage of flames and smoke during a fire, the outer side of the graphite 13 expanded by fire and the inner wall of the frame 1 are in contact, which can fill the tiny gap between the door and the frame 1 due to heating, the outer side of the sealing ring 18 and the outer side of the door one 11 are in contact, as above, the front side of the door one 11 and the door two 16 is fixedly connected with a handle 20, facilitating the user to easily open and close the door one 11 and the door two 16, the outer side of the sealing ring 18 and the outer side of the door two 16 are in contact, as above, ensuring that personnel can operate the fireproof door smoothly in various situations, the outer side of the sliding rail 7 is fixedly connected to the inner wall of the adjusting box 9, as above, the adjusting box 9 provides a fixed connection for the sliding rail 7.

[0037] Working principle: in use, by pulling the handle 20 fire door, fire door through its action block 5 connecting rod two 4 rotation, thus driving connecting rod one 3 rotation, because fixed block one 2 cannot move, thus transmitting force makes action block 5 in the inside of adjusting box 9 sliding, simultaneously action block 5 through both sides of the slider 6 in its slide rail 7 inside sliding, after moving, through the elastic action of spring one 8, make slider 6 reset, thus driving action block 5 move, thus make fire door automatically close.

[0038] When the fire, need to seal the fire door, when the fire door is closed, through the convex block 17 to seal the strip 15 extrusion, because spring two 14 automatic reset, thus seal the strip 15 and convex block 17 tightly, thus reach the effect of sealing, prevent smoke diffuse, graphite 13 in the inside of sleeve block 12, can diffuse when the open fire, with door frame tightly, will not easily deform and burn, thus reach reduce the speed of open fire diffuse, its frame 1 inner wall seal ring 18 when the fire door is closed, with the outside of fire door, reach the effect of sealing, thus form multiple seal, reduce the speed of smoke diffuse.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled person in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A fire door safety assembly comprising a frame (1), characterised in that: The front side of the frame (1) is fixedly connected with two fixed blocks one (2), one of which is rotatably connected with a connecting rod one (3) at the bottom, the bottom of the connecting rod one (3) is rotatably connected with a connecting rod two (4), the bottom of the connecting rod two (4) is rotatably connected with an action block (5), the front and rear sides of the action block (5) are fixedly connected with a sliding block (6), the outside of the sliding block (6) is slidably connected with a slide rail (7), the right side of the sliding block (6) is fixedly connected with a spring one (8), the far sides of the two slide rails (7) are fixedly connected with an adjusting box (9), the inside of the adjusting box (9) is provided with a sliding groove (10), the rear side of the adjusting box (9) is fixedly connected with a door one (11), the outside of the door one (11) is fixedly connected with a sleeving block (12), the inside of the sleeving block (12) is fixedly connected with a sealing assembly for sealing the fireproof door.

2. A fire door safety assembly according to claim 1, wherein: The sealing assembly comprises graphite (13), the inner wall of the door one (11) is fixedly connected with a plurality of spring two (14), the right side of the spring two (14) is fixedly connected with a sealing strip (15), the rear side of the other adjusting box (9) is fixedly connected with a door two (16), the left side of the door two (16) is fixedly connected with a protruding block (17).

3. A fire door safety assembly according to claim 2, wherein: The outside of the frame (1) is fixedly connected with two sealing rings (18), the front side of the frame (1) is fixedly connected with a plurality of hinges (19).

4. A fire door safety assembly according to claim 1, wherein: The rear side of two of the hinges (19) is fixedly connected with the door one (11), the rear side of the other two hinges (19) is fixedly connected with the door two (16).

5. A fire door safety assembly according to claim 1, wherein: The outside of the action block (5) is slidably connected in the inside of the adjusting box (9), the rear side of the spring one (8) is fixedly connected with the inner wall of the slide rail (7).

6. A fire door safety assembly according to claim 2, wherein: The outside of the protruding block (17) is in contact with the outside of the sealing strip (15), the outside of the graphite (13) in contact with the inner wall of the frame (1) when it expands.

7. A fire door safety assembly according to claim 3, wherein: The outside of the sealing ring (18) is in contact with the outside of the door one (11), the front sides of the door one (11) and the door two (16) are respectively fixedly connected with a handle (20).

8. A fire door safety assembly according to claim 3, wherein: The outside of the sealing ring (18) is in contact with the outside of the door two (16), the left and right sides of the outside of the slide rail (7) are fixedly connected with the inner wall of the adjusting box (9).