All-steel sound insulation door with double-sealing structure

Abstract

The utility model relates to the technical field of sound insulation doors, in particular to an all-steel sound insulation door with a double-sealing structure, which comprises a door frame, a first frame-shaped sealing groove is arranged on the front side of the inner wall of the door frame, a third frame-shaped rubber pad is adhered to the rear side of the inner wall of the first frame-shaped sealing groove, and a door leaf is hinged to the left side of the inner wall of the first frame-shaped sealing groove through a hinge. The door leaf comprises a steel shell, a frame-shaped groove is formed in the rear side of the outer wall of the steel shell, and a second frame-shaped rubber pad is bonded in the frame-shaped groove. According to the all-steel sound insulation door of the double-sealing structure, the first frame-shaped sealing groove is formed in the door frame, the third frame-shaped rubber pad is bonded to the door frame, and the second frame-shaped rubber pad is bonded to the interior of the frame-shaped groove in the rear side of the door leaf, so that a first sealing and second sealing structure is formed, and the sealing performance of the combination portion of the door frame and the door leaf is remarkably enhanced; the double-sealing design effectively prevents noise, airflow and dust from spreading through gaps, and the problem that the sound insulation effect is reduced due to the fact that a traditional sound insulation door is insufficient in sealing performance is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to soundproof door technical field, concretely is full steel soundproof door of double sealing structure. BACKGROUND

[0002] Full steel soundproof door is a kind of high-performance sound insulation device with steel as main manufacturing material, is widely used in the building area needing noise control, including recording studio, conference room, laboratory, home theater, industrial workshop and so on.The main function is to pass through high-strength steel structure and the sound-absorbing, sound-insulating material filled in inside, the transmission of external noise is blocked.In addition, full steel soundproof door also has fireproof, anti-impact, strong durability and other characteristics, can adapt to high-strength use environment, is one of important sound insulation solutions in modern building.

[0003] Although full steel soundproof door is widely used because of its firmness and durability, remarkable sound insulation effect, but there is certain technical problem in practical application.Especially the joint part of door leaf and door frame is prone to poor sealing effect due to manufacturing precision, long-term use and other factors.This sealing defect can make noise spread through the gap between door leaf and door frame, thereby weakening the performance of soundproof door.In addition, poor sealing performance can also cause dust, airflow and other things to easily enter indoor, affect the cleanliness and comfort of environment, especially in recording studio, laboratory and other places with high requirements for sound environment or air quality, the problem of poor sealing performance is particularly prominent, in view of this, we propose full steel soundproof door of double sealing structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing full steel soundproof door of double sealing structure to solve the problems proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Full steel soundproof door of double sealing structure, including door frame, door frame is used as fixed frame, is hinged with door leaf, and provides installation base for sealing structure, the front side of the inner wall of door frame is provided with first frame-shaped sealing groove, the rear side of the inner wall of first frame-shaped sealing groove is bonded with third frame-shaped rubber pad, first frame-shaped sealing groove is used to accommodate and fix third frame-shaped rubber pad, forms the first heavy sealing structure between door frame and door leaf, further enhances sound insulation and air tightness, the left side of the inner wall of first frame-shaped sealing groove is hinged with door leaf through hinge, hinge is used to connect door frame and door leaf, realizes the stable opening and closing of door leaf, simultaneously bears the weight of door leaf;

[0007] The door leaf comprises a steel shell, a frame-shaped groove is formed on the rear side of the outer wall of the steel shell, a second frame-shaped rubber pad is bonded in the frame-shaped groove, and the second frame-shaped rubber pad is used to tightly fit with the inner wall of the first frame-shaped sealing groove when the door leaf is closed, so as to form a second resealing structure between the door frame and the door leaf, further improve the sound insulation and sealing performance, and a containing groove is formed on the front side of the steel shell, and an acoustic layer, a sound insulation layer and a fireproof layer are sequentially arranged in the containing groove from the rear to the front, the steel shell is an external structural layer of the door leaf, is used to provide strength support for the door leaf, and protects the internal acoustic layer, sound insulation layer and fireproof layer, wherein the acoustic layer is used to absorb sound waves, reduce sound wave reflection and resonance, and improve sound insulation performance, the sound insulation layer is used to block sound wave propagation and reduce sound penetration, and the fireproof layer is used to improve the fireproof performance of the door body and prevent fire.

[0008] Preferably, when the door leaf is closed, the rear side of the door leaf tightly fits with the front side of the third frame-shaped rubber pad, a first resealing is formed, and noise and airflow are prevented from leaking through the joint.

[0009] Preferably, when the door leaf is closed, the outer side of the second frame-shaped rubber pad tightly fits with the inner wall of the first frame-shaped sealing groove, a second resealing structure is formed, and the sound insulation performance is further improved.

[0010] Preferably, a second frame-shaped sealing groove is formed on the front side of the inner wall of the containing groove, a first frame-shaped rubber pad is bonded in the second frame-shaped sealing groove, a sound insulation plate is arranged on the rear side of the steel sealing plate, and the front side of the first frame-shaped rubber pad tightly fits with the rear side of the sound insulation plate, so as to increase the sealing performance of the door leaf body and further reduce the propagation of noise.

[0011] Preferably, a plurality of threaded grooves are formed on the front side of the steel shell, a plurality of mounting holes corresponding to the positions of the threaded grooves are formed on the front side of the steel sealing plate, bolts are connected in the mounting holes, and the threaded ends of the bolts are threadedly connected in the threaded grooves, so as to firmly connect the steel sealing plate and the steel shell and ensure the overall strength and stability of the door leaf.

[0012] Preferably, the acoustic layer is made of polyurethane acoustic cotton, and the thickness of the acoustic layer is 10mm to 15mm, so as to effectively absorb sound waves, reduce sound wave reflection and reduce noise propagation.

[0013] Preferably, the sound insulation layer is made of high-density fiberboard, the thickness of the sound insulation layer is 15mm-25mm, which is used for blocking sound wave propagation, reducing sound penetration and improving sound insulation effect.

[0014] Preferably, the fireproof layer is made of inorganic fireproof plate, the thickness of the fireproof layer is 8mm-12mm, which is used for improving fireproof performance and effectively preventing fire, thereby providing safety guarantee.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1、The double-sealing structure's full-steel sound insulation door, through setting first frame-shaped sealing groove in door frame and bonding third frame-shaped rubber pad, and bonding second frame-shaped rubber pad in door leaf rear side frame-shaped recess, forms first heavy seal and second heavy seal structure, the sealing property of door frame and door leaf combination part is enhanced obviously, this double-sealed design effectively prevents noise, airflow and dust from spreading through the gap, overcomes the problem of the decline of sound insulation effect of traditional sound insulation door due to insufficient sealing performance, and is especially suitable for places with high requirements for sound environment and air cleanliness.

[0017] 2、The double-sealing structure's full-steel sound insulation door, door leaf is provided with sound-absorbing layer, sound insulation layer and fireproof layer from back to front in sequence, the sound-absorbing layer adopts polyurethane sound-absorbing cotton, can effectively absorb sound waves, reduce sound wave reflection and resonance, the sound insulation layer adopts high-density fiberboard, blocks sound wave propagation, reduces sound penetration, through multilayer composite structure design, the door leaf has excellent sound insulation performance.

[0018] 3、The double-sealing structure's full-steel sound insulation door, the steel shell is used as the external structure layer of door leaf, provides firm strength support, ensures that the door leaf can keep structural integrity for a long time, the steel sealing plate is firmly connected with the steel shell through bolts, further improves the overall strength and stability of the door leaf, effectively avoids deformation problem caused by long-term use or high-frequency switching, prolongs product service life. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole first visual angle structure schematic diagram of the utility model;

[0020] Figure 2 It is the whole second visual angle structure schematic diagram of the utility model;

[0021] Figure 3 It is the assembly structure schematic diagram of the door frame and third frame-shaped rubber pad in the utility model;

[0022] Figure 4 It is the exploded structure schematic diagram of the door leaf in the utility model;

[0023] Figure 5The utility model discloses a steel shell, first frame shape rubber pad and second frame shape rubber pad's assembly structure schematic view in the utility model,

[0024] In the drawing: 1, door frame; 10, first frame shape sealing groove; 2, hinge; 3, door leaf; 30, steel shell; 300, containing groove; 301, second frame shape sealing groove; 302, frame shape recess; 303, screw groove; 31, sound absorbing layer; 32, sound insulation layer; 33, fireproof layer; 34, steel sealing plate; 340, mounting hole; 35, bolt; 36, first frame shape rubber pad; 37, second frame shape rubber pad; 4, door lock; 5, third frame shape rubber pad. DETAILED DESCRIPTION

[0025] The utility model discloses an embodiment of the utility model will be clearly and completely described below in the embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor belong to the range of protection of the utility model.

[0026] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0027] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0028] The full steel soundproof door with double sealing structure includes a door frame 1, the door frame 1 is used as a fixed frame, is hinged with a door leaf 3, and provides a mounting base for the sealing structure, a first frame shape sealing groove 10 is formed in the front side of the inner wall of the door frame 1, a third frame shape rubber pad 5 is attached to the rear side of the inner wall of the first frame shape sealing groove 10, the first frame shape sealing groove 10 is used for containing and fixing the third frame shape rubber pad 5, a first double sealing structure between the door frame 1 and the door leaf 3 is formed, the sound insulation and air tightness are further enhanced, the door leaf 3 is hinged to the left side of the inner wall of the first frame shape sealing groove 10 through a hinge 2, the hinge 2 is used for connecting the door frame 1 and the door leaf 3, the stable opening and closing of the door leaf 3 are realized, and the weight of the door leaf 3 is borne at the same time.

[0029] The door leaf 3 comprises a steel shell 30, a frame-shaped groove 302 is formed on the rear side of the outer wall of the steel shell 30, a second frame-shaped rubber pad 37 is bonded in the frame-shaped groove 302, and the second frame-shaped rubber pad 37 is used to tightly fit with the inner wall of the first frame-shaped sealing groove 10 when the door leaf 3 is closed, so as to form a second resealing structure between the door frame 1 and the door leaf 3, further improve the sound insulation and sealing performance. A containing groove 300 is formed on the front side of the steel shell 30, and an acoustic layer 31, a sound insulation layer 32 and a fireproof layer 33 are sequentially arranged in the containing groove 300 from the rear to the front. The steel shell 30 is an external structural layer of the door leaf 3, which is used to provide strength support for the door leaf 3 and protect the internal acoustic layer 31, sound insulation layer 32 and fireproof layer 33. The acoustic layer 31 is used to absorb sound waves, reduce reflection and resonance of sound waves, and improve sound insulation performance. The sound insulation layer 32 is used to block the propagation of sound waves and reduce the penetration of sound. The fireproof layer 33 is used to improve the fireproof performance of the door body and prevent fire. A steel sealing plate 34 is arranged on the front side of the steel shell 30, which is used to close the containing groove 300 and protect the acoustic layer 31, sound insulation layer 32 and fireproof layer 33. A door lock 4 is arranged on the door leaf 3, which is used to fix the door leaf 3 in the closed state and prevent displacement, so as to ensure that the sealing structure between the door frame 1 and the door leaf 3 remains stable and enhances safety.

[0030] In the embodiment, when the door leaf 3 is closed, the rear side of the door leaf 3 tightly fits with the front side of the third frame-shaped rubber pad 5, forming a first resealing, which prevents noise and airflow from leaking through the joint.

[0031] Specifically, when the door leaf 3 is closed, the outer side of the second frame-shaped rubber pad 37 tightly fits with the inner wall of the first frame-shaped sealing groove 10, forming a second resealing structure, which further improves the sound insulation performance.

[0032] Further, a second frame-shaped sealing groove 301 is formed on the front side of the inner wall of the containing groove 300, a first frame-shaped rubber pad 36 is bonded in the second frame-shaped sealing groove 301, and a sound insulation plate is arranged on the rear side of the steel sealing plate 34. The front side of the first frame-shaped rubber pad 36 tightly fits with the rear side of the sound insulation plate, so as to increase the sealing performance of the door leaf 3 and further reduce the propagation of noise.

[0033] Further, a plurality of threaded grooves 303 are formed on the front side of the steel shell 30, a plurality of mounting holes 340 corresponding to the positions of the threaded grooves 303 are formed on the front side of the steel sealing plate 34, and bolts 35 are connected in the mounting holes 340. The threaded ends of the bolts 35 are threadedly connected in the threaded grooves 303, which are used to firmly connect the steel sealing plate 34 and the steel shell 30, and ensure the overall strength and stability of the door leaf 3.

[0034] Further, the sound-absorbing layer 31 is made of polyurethane sound-absorbing cotton, and has a thickness of 10-15 mm, which is used to effectively absorb sound waves, reduce sound wave reflection, and reduce noise propagation.

[0035] Further, the sound-insulating layer 32 is made of high-density fiberboard, and has a thickness of 15-25 mm, which is used to block sound wave propagation, reduce sound penetration, and improve sound-insulating effect.

[0036] Further, the fireproof layer 33 is made of inorganic fireproof board, and has a thickness of 8-12 mm, which is used to improve fireproof performance and effectively prevent fire, thereby providing safety guarantee.

[0037] In use, the full-steel sound-insulating door with double sealing structure in the embodiment is hinged to the door frame 1 as a fixed frame, and the first frame-shaped sealing groove 10 is arranged in the door frame 1 to accommodate and fix the third frame-shaped rubber pad 5, thereby forming a first double sealing structure. When the door leaf 3 is closed, the back side of the door leaf 3 is tightly combined with the front side of the third frame-shaped rubber pad 5, thereby effectively preventing noise, airflow and dust from propagating through the combined part. Meanwhile, the second frame-shaped rubber pad 37 is bonded in the frame-shaped groove 302 on the back side of the door leaf 3, and when the door leaf 3 is closed, the outer side of the second frame-shaped rubber pad 37 is combined with the inner wall of the first frame-shaped sealing groove 10, thereby forming a second double sealing structure, which further improves the sound-insulating and sealing performance. The sound-absorbing layer 31, the sound-insulating layer 32 and the fireproof layer 33 are sequentially arranged in the door leaf 3 from back to front, and these multiple layers are accommodated by the accommodating groove 300 and closed by the steel sealing plate 34. The sound-absorbing layer 31 is made of polyurethane sound-absorbing cotton, which is used to absorb sound waves, reduce sound wave reflection and resonance, and improve sound-insulating effect. The sound-insulating layer 32 is made of high-density fiberboard, which is used to block sound wave propagation and reduce sound penetration. The fireproof layer 33 is made of inorganic fireproof board, which can effectively prevent the penetration of fire and high-temperature gas, thereby improving fireproof performance and ensuring safety. The full-steel sound-insulating door is particularly suitable for places with high requirements for sound environment and fireproof performance. The steel shell 30 serves as an external structural layer of the door leaf 3, provides strength support, and is tightly connected with the steel sealing plate 34 and the bolt 35, thereby further enhancing the overall strength and stability of the door leaf 3, effectively avoiding deformation caused by long-term use or frequent opening and closing, and prolonging service life. The back side of the steel sealing plate 34 is provided with a sound-insulating plate, which is tightly combined with the first frame-shaped rubber pad 36, thereby further enhancing the sealing performance of the door leaf 3 and reducing noise propagation. The steel sealing plate 34 is fixed by the bolt 35 through cooperation of the threaded groove 303 and the mounting hole 340, thereby achieving firm installation and protecting the sound-absorbing layer 31, the sound-insulating layer 32 and the fireproof layer 33 from external force and environmental influence. Through the double sealing structure design and the multiple layers of composite sound-insulating material, the sound-insulating door can greatly improve sound-insulating effect, fireproof performance and air tightness, and prevent dust and airflow from affecting indoor environment.

[0038] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A full steel soundproof door with double sealing structure, comprising a door frame (1), characterized in that: The front side of the inner wall of the door frame (1) is provided with a first frame-shaped sealing groove (10), the rear side of the inner wall of the first frame-shaped sealing groove (10) is bonded with a third frame-shaped rubber pad (5), the left side of the inner wall of the first frame-shaped sealing groove (10) is hinged with a door leaf (3) through a hinge (2), the door leaf (3) comprises a steel shell (30), the rear side of the outer wall of the steel shell (30) is provided with a frame-shaped groove (302), the frame-shaped groove (302) is bonded with a second frame-shaped rubber pad (37), the front side of the steel shell (30) is provided with a containing groove (300), the containing groove (300) is sequentially provided with an acoustic layer (31), a sound insulation layer (32) and a fireproof layer (33) from back to front, the front side of the steel shell (30) is provided with a steel sealing plate (34), and the door leaf (3) is provided with a door lock (4).

2. The double-sealed all-steel soundproof door according to claim 1, characterized in that: When the door leaf (3) is closed, the rear side of the door leaf (3) is tightly combined with the front side of the third frame-shaped rubber pad (5).

3. The double-sealed all-steel soundproof door according to claim 1, characterized in that: When the door leaf (3) is closed, the outer side of the second frame-shaped rubber pad (37) is tightly combined with the inner wall of the first frame-shaped sealing groove (10).

4. The double-sealed, all-steel soundproof door of claim 1, wherein: The front side of the inner wall of the containing groove (300) is provided with a second frame-shaped sealing groove (301), the second frame-shaped sealing groove (301) is bonded with a first frame-shaped rubber pad (36), the rear side of the steel sealing plate (34) is provided with a sound insulation plate, and the front side of the first frame-shaped rubber pad (36) is tightly combined with the rear side of the sound insulation plate.

5. The double-sealed, all-steel soundproof door of claim 1, wherein: The front side of the steel shell (30) is provided with a plurality of threaded grooves (303), the front side of the steel sealing plate (34) is provided with a plurality of mounting holes (340) corresponding in position to the threaded grooves (303), the mounting holes (340) are connected with bolts (35), and the threaded ends of the bolts (35) are threadedly connected into the threaded grooves (303).

6. The double-sealed, all-steel soundproof door of claim 1, wherein: The acoustic layer (31) is made of polyurethane acoustic cotton, and the thickness of the acoustic layer (31) is 10-15 mm.

7. The double-sealed, all-steel soundproof door of claim 1, wherein: The sound insulation layer (32) is made of high-density fiberboard, and the thickness of the sound insulation layer (32) is 15-25 mm.

8. The double-sealed, all-steel soundproof door of claim 1, wherein: The fireproof layer (33) is made of inorganic fireproof plate, and the thickness of the fireproof layer (33) is 8-12 mm.

Images