Soundproof folding door

Abstract

The utility model discloses a sound insulation folding door, aims at solving the problem of poor sound insulation, inconvenient pet access and ventilation of existing folding door. The folding door is arranged in the door frame, including first door leaf and second door leaf, and the first door leaf side is hinged with the inboard wall of door frame, and the bottom end is hinged with the top surface of second door leaf through two -way hinge, the door leaf is layer structure, and the core is sound insulation cotton layer, and both sides are equipped with sound insulation components, and the outside is connected with the closing plate, the sound insulation components contain door board, nanometer viscose layer, rubber cavity board with first sound cavity and sound insulation board with second sound cavity (including central sound insulation sheet), the hinge both sides are equipped with filling layer and close gap, and the first door leaf height is 4 8 times of second door leaf. The utility model discloses through hinging structure, and it is convenient for pet access and ventilation, utilizes different density level and sound cavity structure to weaken noise gradually, and filling layer further improves sound insulation effect, and the structure is stable and practical.

Description

Technical Field

[0001] This utility model relates to the technical field, and in particular to a soundproof folding door. Background Technology

[0002] In residential, office, and commercial spaces, folding doors are widely used as partitions, storage room entrances, and connections between balconies and interiors due to their space-saving and flexible opening features. However, existing folding doors have gradually revealed several shortcomings during use, making it difficult to meet users' high demands for functional diversity and user experience.

[0003] In terms of sound insulation, most existing folding doors use a single-panel structure or simply two layers of panels, without a dedicated sound insulation structure designed for noise transmission paths. When there is external noise (such as neighbors talking, footsteps in the hallway), traffic noise, or indoor activity noise (such as appliances running, children playing), the noise can easily be transmitted directly through the door panel, resulting in poor sound insulation and failing to create a quiet environment for users. Although some folding doors attempt to add sound insulation cotton, the connection between the cotton and the door panel lacks a stable structure, and the impact of different material densities on noise reduction is not considered. Noise can still be transmitted through gaps in the materials or weak points in the structure, and the sound insulation effect is not substantially improved.

[0004] In terms of functionality, existing folding doors are mainly used for space partitioning, making it difficult to simultaneously address the needs of pets entering and exiting while also providing ventilation. Many families keep pets (such as cats and dogs), and pets rely on their owners to open folding doors to enter and exit independently. Frequent opening and closing not only increases the user's workload but may also cause the pet to become agitated if the doors are not opened promptly. Furthermore, in poorly ventilated spaces such as kitchens and bathrooms, closing folding doors further obstructs airflow, easily leading to moisture buildup and lingering odors, thus affecting indoor air quality. While some folding doors can be partially opened for ventilation, their opening mechanisms are complex, and opening them can easily cause the door panels to wobble, resulting in poor stability.

[0005] In summary, existing folding doors are inadequate in terms of sound insulation, functionality, and structural stability. There is an urgent need for a folding door that combines good sound insulation, easy access for pets, flexible ventilation, and structural stability to address the shortcomings of existing technologies. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model proposes a soundproof folding door.

[0007] To achieve the above objectives, this utility model provides the following solution: A soundproof folding door is installed within a door frame, including a first door leaf and a second door leaf. One side of the first door leaf is hinged to an inner wall of the door frame, and the bottom end of the first door leaf is hinged to the top surface of the second door leaf via a bidirectional hinge. The first door leaf has a layered structure, and the second door leaf has the same structure. The first door leaf includes a sound-insulating cotton layer, and sound-insulating components are respectively provided on both sides of the sound-insulating cotton layer. A sealing plate is fixedly connected between the outer sides of the two sound-insulating components.

[0008] Preferably, the sound insulation component includes a door panel and an adhesive layer. One side of the door panel is bonded to one side of the adhesive layer, and a cavity plate is fixedly connected to the other side of the adhesive layer. A sound insulation component is fixedly connected to one side of the cavity plate, and one side of the sound insulation component is fixedly connected to the sound insulation cotton layer. The outer sides of the door panel, the adhesive layer, the sound insulation component, the sound insulation cotton layer, and the cavity plate are respectively fixedly connected to the sealing plate.

[0009] Preferably, a plurality of independent first acoustic cavities are provided on one side of the cavity plate, and the cavity plate is made of rubber.

[0010] Preferably, the sound insulation component includes a sound insulation board, and a plurality of second sound cavities are formed on the side of the sound insulation board. The cross-sectional shape of the second sound cavity is a bidirectional radial structure. A sound insulation sheet is provided at the center of the second sound cavity. A gap is provided between the periphery of the sound insulation sheet and the second sound cavity. A connecting cable is fixedly connected between the periphery of the sound insulation sheet and the side wall of the second sound cavity.

[0011] Preferably, the adhesive layer is a nano-adhesive tape.

[0012] Preferably, a plurality of filling layers are provided on both sides of the hinge; the filling layers are fixedly connected to the bottom surface of the first door leaf.

[0013] Preferably, the height of the first door leaf is 4-8 times the height of the second door leaf.

[0014] Compared with the prior art, the present invention has the following advantages and technical effects: This invention features a hinged first and second door panel, facilitating easy access for pets. It also allows for manual opening to enable airflow on both sides of the folding door, providing an additional ventilation outlet for spaces with poor ventilation. Furthermore, the layered structure of the folding door uses varying densities to progressively reduce noise, minimizing the impact of one side of the door on the other. Attached Figure Description

[0015] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a side view of the three-dimensional structure of the present invention; Figure 2 This is a side view of the sound insulation panel's three-dimensional structure. Figure 3 This is a left-side three-dimensional structural diagram of the first door leaf; Figure 4 for Figure 3 Enlarged structural diagram at point A in the middle.

[0016] The components are: 1. Door frame; 2. Hinges; 3. Sound insulation cotton layer; 4. Sealing plate; 5. Door panel; 6. Adhesive layer; 7. Cavity plate; 8. First sound cavity; 9. Sound insulation board; 10. Second sound cavity; 11. Sound insulation sheet; 12. Connecting cable; 13. Filling layer. Detailed Implementation

[0017] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0018] It should be noted that all components in the technical solution of this application require necessary additional facilities for water supply, oil supply, power supply, and gas supply for driving and / or control. Unless otherwise stated, they are assumed to be used and equipped with existing technology and no special explanation is required.

[0019] It should be noted that, in order to make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] It should be noted that the fixed connection described in this utility model is one of the following: threaded connection, welding, riveting, interference fit connection and bonding; detachable connection means that the two are closed to each other or can be separated at any time; sliding connection means that the two slide against each other or slide against each other and cannot be separated; rotating connection means that the two rotate against each other through bearings or bushings and cannot be separated.

[0021] Depend on Figure 1-4 The soundproof folding door shown is installed inside a door frame 1 and includes a first door leaf and a second door leaf. One side of the first door leaf is hinged to an inner side wall of the door frame 1, and the bottom end of the first door leaf is hinged to the top surface of the second door leaf through a bidirectional hinge 2. The first door leaf has a layered structure and the structure of the second door leaf is the same. The first door leaf includes a soundproof cotton layer 3, and soundproof components are respectively provided on both sides of the soundproof cotton layer 3. A sealing plate 4 is fixedly connected between the outer sides of the two soundproof components.

[0022] Further optimizing the design, the sound insulation components include a door panel 5 and an adhesive layer 6. One side of the door panel 5 is glued and fixed to one side of the adhesive layer 6, and a cavity panel 7 is fixedly connected to the other side of the adhesive layer 6. A sound insulation component is fixedly connected to one side of the cavity panel 7, and one side of the sound insulation component is fixedly connected to the sound insulation cotton layer 3. The outer sides of the door panel 5, adhesive layer 6, sound insulation component, sound insulation cotton layer 3, and cavity panel 7 are respectively fixedly connected to a sealing plate 4. The sealing plate 4 can fix and seal several layers of first or second door panels, making the folding door form an aesthetically pleasing whole.

[0023] Furthermore, the door panel 5 and the sound insulation panel 9 are made of wood, the cavity panel 7 is made of rubber, and the adhesive layer 6 and the sound insulation cotton layer 3 are made of polymer resin. This allows noise to pass through each layer of the folding door separately, and by utilizing the different densities of each layer, the noise is gradually reduced, thus reducing the impact of one side of the folding door on the other.

[0024] Further optimization involves providing several independent first acoustic cavities 8 on one side of the cavity plate 7, which is made of rubber. These independent first acoustic cavities 8 significantly reduce the connection area between the sound insulation component and the adhesive layer 6, allowing noise transmitted from one side of the adhesive layer 6 to pass through an air layer in the first acoustic cavity 8 again, thus further improving noise reduction capabilities.

[0025] Further optimization of the design includes a sound insulation panel 9. Several second acoustic cavities 10 are formed on the side of the sound insulation panel 9. The cross-sectional shape of each second acoustic cavity 10 is a bidirectional radial structure. A sound insulation sheet 11 is positioned at the center of each second acoustic cavity 10. A gap is formed between the periphery of the sound insulation sheet 11 and the sidewall of the second acoustic cavity 10. A connecting cable 12 is fixedly connected between the periphery of the sound insulation sheet 11 and the sidewall of the second acoustic cavity 10. The second acoustic cavity 10 has a bidirectional horn-shaped structure, enabling it to collect noise from one side through the horn-shaped opening on one side of the second acoustic cavity 10, weaken it using the sound insulation sheet 11 on the inner wall of the second acoustic cavity 10, and then amplify it using the other side of the second acoustic cavity 10. This reduces the energy of the noise, disperses the noise, and lowers its intensity.

[0026] Further optimization of the design resulted in adhesive layer 6 being a nano-adhesive tape. Nano-adhesive layer 6 refers to a strip-shaped material made of an adhesive composed of nano-sized silicon carbide powder, nano-zinc oxide, silica gel, and other materials.

[0027] In a further optimized design, several filling layers 13 are provided on both sides of the hinge 2; the filling layers 13 are fixedly connected to the bottom surface of the first door leaf. The filling layers 13 can seal the gap between the first and second door leaves caused by the installation of the hinge 2, thereby reducing noise transmission between the first and second door leaves.

[0028] The design was further optimized so that the height of the first door panel is 4-8 times that of the second door panel.

[0029] The working process of this embodiment is as follows: In practical use, when pets need to enter or exit, the second door can be manually opened or the pet can push it open by itself. Since the second door is hinged to the first door through a two-way hinge 2, and the first door is hinged to the door frame 1, the second door can rotate around the hinge 2 to open, allowing the pet to enter or exit through the space opened by the second door. When ventilation is needed, the second door can be further opened, causing both to rotate around their respective hinge points, forming a larger opening gap, enabling air circulation on both sides of the folding door, and adding ventilation outlets for spaces with poor ventilation. In terms of sound insulation, when external noise comes into contact with the folding door, it is first initially blocked by the outer sealing plate 4, and then passes through the door panel 5, adhesive layer 6, the first sound cavity 8 of the cavity plate 7, the second sound cavity 10 of the sound insulation component (and the sound insulation sheet 11), and the sound insulation cotton layer 3 in sequence. By utilizing the different material densities of each layer (door panel 5 and sound insulation plate 9 are made of wood, cavity plate 7 is made of rubber, and adhesive layer 6 and sound insulation cotton layer 3 are made of polymer resin), the noise is gradually weakened, ultimately significantly reducing the noise impact of one side of the folding door on the other side.

[0030] The above are merely preferred embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A soundproof folding door, provided in a door frame (1), characterized in that, It includes a first door leaf and a second door leaf. One side of the first door leaf is hinged to an inner wall of the door frame (1). The bottom end of the first door leaf is hinged to the top surface of the second door leaf through a bidirectional hinge (2). The first door leaf has a layered structure and the structure of the second door leaf is the same. The first door leaf includes a sound insulation cotton layer (3). Sound insulation components are respectively provided on both sides of the sound insulation cotton layer (3). A sealing plate (4) is fixedly connected between the outer sides of the two sound insulation components.

2. The soundproof folding door according to claim 1, characterized in that: The sound insulation assembly includes a door panel (5) and an adhesive layer (6). One side of the door panel (5) is glued and fixed to one side of the adhesive layer (6). A cavity plate (7) is fixedly connected to the other side of the adhesive layer (6). A sound insulation component is fixedly connected to one side of the cavity plate (7). One side of the sound insulation component is fixedly connected to the sound insulation cotton layer (3). The outer sides of the door panel (5), the adhesive layer (6), the sound insulation component, the sound insulation cotton layer (3), and the cavity plate (7) are respectively fixedly connected to the sealing plate (4).

3. The soundproof folding door according to claim 2, characterized in that: The cavity plate (7) has several independent first sound cavities (8) on one side, and the cavity plate (7) is made of rubber.

4. The soundproof folding door according to claim 2, characterized in that: The sound insulation component includes a sound insulation plate (9), and a plurality of second sound cavities (10) are provided on the side of the sound insulation plate (9). The cross-sectional shape of the second sound cavity (10) is a bidirectional radial structure. A sound insulation sheet (11) is provided at the center of the second sound cavity (10). A gap is provided between the periphery of the sound insulation sheet (11) and the second sound cavity (10). A connecting cable (12) is fixedly connected between the periphery of the sound insulation sheet (11) and the side wall of the second sound cavity (10).

5. The soundproof folding door according to claim 2, characterized in that: The adhesive layer (6) is a nano tape.

6. The soundproof folding door according to claim 1, characterized in that: Several filling layers (13) are provided on both sides of the hinge (2); the filling layers (13) are fixedly connected to the bottom surface of the first door leaf.

7. The soundproof folding door according to claim 1, characterized in that: The height of the first door leaf is 4-8 times the height of the second door leaf.

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