Fireproof and soundproof door with double-sealing structure
Fireproof and soundproof doors with a double-sealed structure utilize a rotating plate and torsion spring for automatic limiting and a buffer assembly to cushion the impact of the sliding door, solving the problem of inconvenient maintenance and replacement of fireproof and soundproof doors, and achieving convenient installation and disassembly as well as noise reduction.
Patent Information
- Application Number
- CN202520491845.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing fireproof and soundproof doors are inconvenient and costly to repair or replace when they malfunction, and may damage the door or surrounding facilities, requiring professional intervention.
It adopts a double sealing structure, including a rotating plate and a torsion spring. After the sliding door is installed, it is automatically limited by the spring force. Combined with components such as buffer pads, compression blocks, diagonal rods, slide rods, return springs and damping springs, it buffers the impact force, simplifies the installation and disassembly process and reduces noise.
It enables convenient installation and disassembly of fireproof and soundproof doors, extends service life, reduces noise, improves user experience, and reduces maintenance costs.
Smart Images
Figure CN223908114U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fireproof door technical field, concretely is a fireproof soundproof door of double sealing structure. BACKGROUND
[0002] The door originally refers to the two outer doors of a house, and is opposite to the door of the house. The door is the only way for people to enter and exit the house, and is also extended as a way.
[0003] Modern buildings no longer limit the requirements of doors to single fireproof or soundproof functions, but expect to have multiple functions at the same time. For example, in commercial buildings, hospitals, schools and other places, the door not only requires fireproofing to ensure safety, but also requires soundproofing to create a quiet environment.
[0004] If the door needs to be repaired due to failure, or needs to be replaced due to changes in decoration style, the inconvenient disassembly and installation process will increase the maintenance cost and time cost, and professional personnel may need to spend more effort to complete it, and even the door or surrounding facilities may be damaged due to improper disassembly.
[0005] In view of the above problems, a fireproof soundproof door with double sealing structure is proposed. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a fireproof soundproof door with double sealing structure, which solves the problem of increasing maintenance cost and time cost due to inconvenient disassembly and installation process when the door needs to be repaired due to failure, or needs to be replaced due to changes in decoration style.
[0007] To achieve the above purpose, the utility model provides the following technical scheme: a fireproof soundproof door with double sealing structure, comprising a door frame, the left and right inner walls of the door frame are slidably connected with sliding doors, the rear end of the sliding door is fixedly connected with a soundproof board, the rear end of the soundproof board is fixedly connected with a fire-retardant board, the rear end of the fire-retardant board is fixedly connected with a fireproof board, the upper and lower ends of the door frame are provided with rotating plates, the rotating plate is fixedly connected with a rotating shaft inside, and the rotating shaft is rotatably connected with the door frame inside, the left side of the rotating shaft is provided with a limiting groove inside, the right side of the rotating shaft is provided with a torsional spring outside, and the left and right inner walls of the door frame are provided with protection assemblies.
[0008] Through the above technical scheme, the three work together to make the door have good fireproof and soundproof effects.
[0009] As a further description of the above technical scheme: the protection assembly comprises a fixed box, the fixed box is fixedly connected to the left and right inner walls of the door frame, and the fixed box is fixedly connected with a sliding rod inside.
[0010] Through adoption of the above technical scheme, the slide rod is fixed in the fixed box.
[0011] As further description of the above technical scheme, the fixed box outer wall is provided with a buffer pad, and the slide rod upper and lower ends are fixedly connected with limiting blocks.
[0012] Through adoption of the above technical scheme, the sliding door is protected by the buffer pad.
[0013] As further description of the above technical scheme, the limiting groove and the door frame inner portion are slidably connected with a limiting rod.
[0014] Through adoption of the above technical scheme, the rotating shaft is limited and controlled by the limiting rod.
[0015] As further description of the above technical scheme, one end of the buffer pad is fixedly connected with an extrusion block, and one end of the extrusion block is rotatably connected with an inclined rod.
[0016] Through adoption of the above technical scheme, the extrusion block is extruded by the buffer pad to drive the inclined rod to rotate.
[0017] As further description of the above technical scheme, one end of the inclined rod is rotatably connected with a sliding block, and the sliding block is slidably connected with the slide rod.
[0018] Through adoption of the above technical scheme, the sliding block moves on the slide rod outer wall.
[0019] As further description of the above technical scheme, a reset spring is sleeved on the slide rod middle end, and the reset spring is fixedly connected with the sliding block.
[0020] Through adoption of the above technical scheme, the two sliding blocks extrude and buffer the reset spring.
[0021] As further description of the above technical scheme, the slide rod upper and lower ends are fixedly connected with damping springs, and the damping springs are fixedly connected with the buffer pad.
[0022] Through adoption of the above technical scheme, the two sides are buffered and protected by the damping springs.
[0023] Compared with the prior art, the utility model has the advantages of the following:
[0024] 1. The fireproof soundproof door with double sealing structure is convenient to use, can be disassembled and assembled, and is convenient to operate.
[0025] 2. The fireproof soundproof door with double sealing structure has the advantages of preventing the door from being damaged due to impact force, reducing noise generation, prolonging the service life of the door and optimizing the use experience. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is a schematic view of the overall structure of the utility model;
[0027] Figure 2 It is a schematic view of the structure of the torsion spring of the utility model;
[0028] Figure 3 It is a schematic view of the structure of the rotating shaft of the utility model;
[0029] Figure 4 It is a schematic view of the cross-sectional structure of the door frame of the utility model;
[0030] Figure 5 It is a schematic view of the structure of the fixing box of the utility model;
[0031] Figure 6 It is Figure 5 It is an enlarged view of A in FIG. 1;
[0032] Figure 7 It is a schematic view of the structure of the fireproof board of the utility model.
[0033] In the figure: 1, door frame; 2, sliding door; 3, rotating plate; 4, limiting rod; 5, rotating shaft; 6, torsion spring; 7, sliding block; 8, limiting groove; 9, fixing box; 10, buffer pad; 11, extrusion block; 12, inclined rod; 13, slide rod; 14, return spring; 15, limiting block; 16, damping spring; 17, soundproof board; 18, fireproof board; 19, fireproof board. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described 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.
[0035] For further understanding of the content of the utility model, the utility model will be described in detail with reference to the drawings.
[0036] Reference Figure 1 and Figure 7The utility model discloses a fireproof soundproof door of double sealing structure, including door frame 1, the inside wall of both sides of door frame 1 is slidably connected with sliding door 2, and sliding door 2 rear end is fixedly connected with soundproof board 17, and soundproof board 17 rear end is fixedly connected with fire -retardant board 18, and fire -retardant board 18 rear end is fixedly connected with fireproof board 19, soundproof board 17 can effectively block the spread of sound, and create a quiet environment for indoor, fire -retardant board 18 plays the role of preventing flame spread, and when fire breaks out, it is for personnel evacuation and fire rescue to gain time, and fireproof board 19 further enhances the fire -resistant performance of door, and ensures the integrity and stability of door under high temperature environment.
[0037] With reference to Figure 1 - Figure 3 The utility model discloses a fireproof soundproof door of double sealing structure, including door frame 1, the inside wall of both sides of door frame 1 is slidably connected with sliding door 2, and sliding door 2 rear end is fixedly connected with soundproof board 17, and soundproof board 17 rear end is fixedly connected with fire -retardant board 18, and fire -retardant board 18 rear end is fixedly connected with fireproof board 19, soundproof board 17 can effectively block the spread of sound, and create a quiet environment for indoor, fire -retardant board 18 plays the role of preventing flame spread, and when fire breaks out, it is for personnel evacuation and fire rescue to gain time, and fireproof board 19 further enhances the fire -resistant performance of door, and ensures the integrity and stability of door under high temperature environment.
[0038] With reference to Figure 4 - Figure 6The inner walls on the left and right sides of the door frame 1 are provided with protection assemblies, the protection assembly comprises a fixed box 9, the fixed box 9 is fixedly connected to the inner walls on the left and right sides of the door frame 1, a sliding rod 13 is fixedly connected inside the fixed box 9, a buffer pad 10 is arranged on the outer wall of the fixed box 9, the buffer pad 10 is made of a material with good elasticity and buffering performance, when the sliding door 2 is closed with a large impact force, the buffer pad 10 will be contacted first, the outer walls of the upper and lower ends of the sliding rod 13 are fixedly connected with limit blocks 15, one end of the buffer pad 10 is fixedly connected with an extrusion block 11, one end of the extrusion block 11 is rotatably connected with a inclined rod 12, one end of the inclined rod 12 is rotatably connected with a sliding block 7, and the sliding block 7 is slidably connected with the sliding rod 13, a reset spring 14 is sleeved on the middle end of the sliding rod 13, and the reset spring 14 is fixedly connected with the sliding block 7, which effectively buffers the impact force of the sliding door 2, prevents the door from being damaged due to excessive impact force, reduces the noise generated when closing the door, prolongs the service life of the door, improves the user experience, and the upper and lower ends of the sliding rod 13 are fixedly connected with damping springs 16, and the damping springs 16 are fixedly connected with the buffer pad 10, when the sliding block 7 slides, the reset spring 14 will be compressed to store elastic potential energy, at the same time, the upper and lower ends of the sliding rod 13 are fixedly connected with the damping springs 16, and the damping springs 16 are fixedly connected with the buffer pad 10, and the damping springs 16 will also be deformed during the buffering process.
[0039] Working principle: when the sliding door 2 is installed, the limit rod 4 is pulled out, and the sliding door 2 is pushed to move to one side. At this time, the rotating plate 3 will rotate around the rotating shaft 5 with the movement of the sliding door 2. The torsional spring 6 on the right side of the rotating shaft 5 will be compressed and store elastic potential energy. The sliding door 2 is installed so that the sliding door 2 slides in the inner wall of the door frame 1. Under the action of the elastic force of the torsional spring 6, the rotating plate 3 will gradually return to the initial position and limit the sliding door 2. When the sliding door 2 is closed with a large impact force, the sliding door 2 will first contact the buffer pad 10. After the buffer pad 10 is extruded, the extrusion block 11 will push the inclined rod 12, the inclined rod 12 drives the sliding block 7 to slide on the sliding rod 13, the reset spring 14 on the sliding rod 13 will be compressed, and the damping spring 16 will also be deformed. These springs work together to buffer the impact force of the sliding door 2, prevent the door from being damaged due to the impact force when closing, and also reduce the generation of noise.
[0040] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or action from another, and do not necessarily require or imply any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0041] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which should be limited only by the appended claims and their equivalents.
Claims
1. A fire and soundproof door of double-seal construction comprising a door frame (1), characterised in that: The left and right inner walls of the door frame (1) are slidably connected with sliding doors (2), the rear end of the sliding door (2) is fixedly connected with a soundproof board (17), the rear end of the soundproof board (17) is fixedly connected with a fire-retardant board (18), the rear end of the fire-retardant board (18) is fixedly connected with a fireproof board (19), the upper and lower ends of the door frame (1) are provided with rotating plates (3), the rotating plate (3) is fixedly connected with a rotating shaft (5) inside, and the rotating shaft (5) is rotatably connected with the door frame (1) inside, the left side of the rotating shaft (5) is provided with a limiting groove (8) inside, the right side of the rotating shaft (5) is provided with a torsional spring (6) outside, and the left and right inner walls of the door frame (1) are provided with protection assemblies.
2. A fire rated soundproof door of double seal construction according to claim 1 wherein: The protection assembly comprises a fixed box (9), which is fixedly connected to the left and right inner walls of the door frame (1), and the fixed box (9) is fixedly connected with a sliding rod (13) inside.
3. A fire rated soundproof door of double seal construction according to claim 2, characterised in that: The outer wall of the fixed box (9) is provided with a buffer pad (10), and the outer wall of the sliding rod (13) is fixedly connected with a limiting block (15) at the upper and lower ends.
4. The fire rated soundproof door with dual seal according to claim 1, wherein: The limiting groove (8) and the door frame (1) are slidably connected with a limiting rod (4) inside.
5. A fire rated soundproof door of double seal construction according to claim 3, characterised in that: One end of the buffer pad (10) is fixedly connected with an extrusion block (11), and the extrusion block (11) is rotatably connected with an inclined rod (12) at one end.
6. A fire rated soundproof door of double seal construction according to claim 5, characterised in that: The inclined rod (12) is rotatably connected with a sliding block (7) at one end, and the sliding block (7) is slidably connected with the sliding rod (13).
7. A fire rated soundproof door of double seal construction according to claim 2, characterised in that: The sliding rod (13) is provided with a reset spring (14) in the middle, and the reset spring (14) is fixedly connected with the sliding block (7).
8. A fire rated soundproof door of double seal construction according to claim 2, characterised in that: The upper and lower ends of the sliding rod (13) are fixedly connected with a damping spring (16), and the damping spring (16) is fixedly connected with the buffer pad (10).