Sound insulation entrance door
By using multi-layered sound insulation and flame retardant materials in the entrance door design, combined with a buffer structure and sealing strip, the problem of insufficient sound insulation and flame retardant performance of the entrance door is solved, extending its service life and enhancing its structural strength and heat insulation performance.
Patent Information
- Application Number
- CN202423070470.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing front doors have poor sound insulation and flame retardant properties, and the impact between the door and the frame shortens their lifespan.
The design incorporates multiple layers of sound insulation and flame retardant materials, combined with a buffer structure and sealing strips to enhance the sealing between the door and the frame, and reduces impact force through a buffer device.
It improves the sound insulation and flame retardant performance of the entrance door, while extending its service life, reducing the impact force between the door and the door frame, and enhancing the overall structural strength and heat insulation performance of the door.
Smart Images

Figure CN223806042U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of entry door, specifically relates to a sound insulation entry door. BACKGROUND
[0002] The entry door is the first door to enter a house, usually has higher anti-theft performance, also be called as the entry door, and its main function is to provide safety protection, therefore its anti-theft performance is usually higher, and the material quality of entry door is various, including pure steel entry door, stainless steel door and armored door etc.
[0003] But the existing entry door uses, and external noise is easy to pass through entry door and enter indoor, the normal life of indoor personnel is affected, simultaneously, when the door body of entry door is pushed by external force, the door body will generate greater impact force with the door frame, and the door frame and the door body will be deformed, which will affect the service life of entry door, thus a sound insulation entry door is set. UTILITY MODEL CONTENTS
[0004] The utility model discloses a sound insulation entry door, the utility model discloses a sound insulation layer A, sound insulation layer B, sound insulation layer C, flame -retardant layer A, flame -retardant layer B, door closer, damping spring, branch plate, inner frame and buffer groove are set up, solve the sound insulation flame -retardant performance of entry door when using of existing entry door is poor, and the problem that the entry door is inconvenient to protect.
[0005] The utility model discloses a sound insulation entry door, including the door frame, the door body is hinged to the inboard of door frame, the door closer is fixed with the inboard screw of door frame, and the one end of door closer is connected with the inboard screw of door body, the sound insulation layer A of improving the sound insulation performance of door body is fixed with the inside screw of door body, and the sound insulation layer B is glued to one side of sound insulation layer A, the sound insulation layer C is bonded to the side away from sound insulation layer B of sound insulation layer B, the flame -retardant layer B of improving the flame -retardant performance of door body is fixed with the outside screw of sound insulation layer C, and the flame -retardant layer A is bonded to the one end away from sound insulation layer C of flame -retardant layer B, the sealing strip A of contact with door frame is bonded to the outside of door body, the sealing strip B of improving the leakproofness between door frame and door body is glued to one side of door frame, the inner frame is welded in the inside of door frame, and the buffer groove is seted up to the inboard of inner frame, the buffer block is slidably connected to the inboard of buffer groove, and the branch plate is welded to the inboard of buffer block, the damping spring is fixed with the inboard screw of inner frame, and the rubber block of reducing impact force is fixed with the surface screw of branch plate.
[0006] By adopting the technical scheme, when the door body contacts the door frame, the sealing strip A outside the door body contacts the door frame, the sealing strip B inside the door frame contacts the door body, the sealing property between the door frame and the door body is improved, then the sound insulation layer A inside the door body is made of a nano inorganic polyester fiber sound absorption board, external noise is absorbed, then the sound insulation layer B outside the sound insulation layer A is made of an extruded polystyrene foam board, noise is absorbed again, then the sound insulation layer C outside the sound insulation layer B is made of high-density polyester fiber sound insulation cotton, further absorption is achieved, the high-density polyester fiber sound insulation cotton has certain flame retardant property, the flame retardant layer A and the flame retardant layer B outside the sound insulation layer C are respectively supported by glass fiber and a gypsum board, good flame retardant property is achieved, and the sound insulation and flame retardant property of the entry door are improved.
[0007] When the door body of the entry door is suddenly closed by external force, the door closer inside the door frame buffers the door body, then the door body contacts the inner frame inside the door frame, then the supporting plate on the inner frame is contracted inward, then the damping spring on one side of the supporting plate buffers, then the buffer block outside the supporting plate slides in the buffer groove opened in the inner frame, so that the impact between the door body and the door frame is reduced, and the service life of the entry door is improved.
[0008] Specifically, the reinforcing layer improving the strength of the door body is fixed outside the flame retardant layer A by screws.
[0009] By adopting the technical scheme, the reinforcing layer inside the door body is made of a vacuum cast aluminum plate panel, so that the strength of the door body is improved.
[0010] Specifically, the heat insulation strip improving the heat insulation property of the door frame is fixed outside the door frame by screws.
[0011] In use, by adopting the technical scheme, the heat insulation strip outside the door frame is fixed on the outer periphery of the door frame, so that the heat insulation property of the door frame is improved.
[0012] Specifically, the sound insulation layer A is made of a sound absorption board, the sound insulation layer B is made of a foam board, and the sound insulation layer C is made of sound insulation cotton.
[0013] By adopting the technical scheme, the sound insulation layer A, the sound insulation layer B and the sound insulation layer C inside the door body improve the sound insulation property of the door body.
[0014] Specifically, the flame retardant layer A is made of glass fiber, and the flame retardant layer B is made of a gypsum board.
[0015] By adopting the technical scheme, the flame retardant layer A and the flame retardant layer B inside the door body improve the flame retardant property of the door body.
[0016] The utility model discloses the beneficial effects of the following:
[0017] (1)The utility model discloses a sound insulation house entrance door, when the door body and the door frame contact, the sealing strip A of door body outside is contacted with the door frame, the sealing strip B in the door frame is contacted with the door body, improve the sealing property between the door frame and the door body, then the sound insulation layer A in the door body is made of nanometer inorganic polyester fiber sound absorption board, the noise outside is absorbed, subsequently the sound insulation layer A one side is made of extruded polystyrene foam board sound insulation layer B and absorbs the noise again, then the sound insulation layer B outside is the sound insulation layer C of high density polyester fiber sound insulation cotton and further absorbs, simultaneously the high density polyester fiber sound insulation cotton has certain flame -retardant property, and the flame -retardant layer A and the flame -retardant layer B outside the sound insulation layer C are supported by glass fiber and plasterboard respectively, have good flame -retardant characteristics, thereby improve the sound insulation and flame -retardant property of house entrance door.
[0018] (2)The utility model discloses a sound insulation house entrance door, when the door body of house entrance door is closed suddenly by external force, the door closer in the door frame buffers the door body, subsequently the inner frame in the door frame is contacted with the door body, then the support plate on the inner frame contracts inwards, subsequently the damping spring on the support plate side buffers, then the buffer block outside the support plate slides in the buffer groove in the inner frame, thereby reducing the impact between the door body and the door frame, improve the service life of house entrance door. ACCURACY OF DRAWINGS
[0019] The utility model is further described below in combination with the drawings and examples.
[0020] Figure 1 It is whole structure schematic diagram of the utility model sound insulation house entrance door;
[0021] Figure 2 It is door body internal structure schematic diagram of the utility model sound insulation house entrance door;
[0022] Figure 3 It is inner frame internal partial structure schematic diagram of the utility model sound insulation house entrance door;
[0023] In the drawing: 1, door frame;2, sealing strip A;3, inner frame;4, heat insulation strip;5, sealing strip B;6, door body;7, sound insulation layer A;8, sound insulation layer B;9, sound insulation layer C;10, reinforcing layer;11, flame -retardant layer A;12, flame -retardant layer B;13, door closer;14, rubber block;15, buffer block;16, damping spring;17, buffer groove;18, support plate. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation ways.
[0025] In order to improve the sound insulation and flame -retardant property of house entrance door, as an embodiment of the utility model, Figure 1 ,Figure 2 and Figure 3 As shown in FIG. 1 and FIG. 2, the utility model discloses a sound insulation door, including the door frame 1, the door body 6 is connected with the door frame 1 inside hinged, the door closer 13 is fixed with the door frame 1 inside screw, and the door closer 13 is connected with the door body 6 inside screw away from the door frame 1 one end, the sound insulation layer A 7 of improving the sound insulation performance of the door body 6 is fixed with the door body 6 inside screw, and the sound insulation layer B 8 is glued with the sound insulation layer A 7 one side, the sound insulation layer C 9 is bonded with the sound insulation layer B 8 one side away from the sound insulation layer A 7, the flame-retardant layer B 12 of improving the flame-retardant performance of the door body 6 is fixed with the sound insulation layer C 9 outside screw, and the flame-retardant layer A 11 is bonded with the flame-retardant layer B 12 one end away from the sound insulation layer C 9, the sealing strip A 2 of contact with the door frame 1 is bonded with the door body 6 outside, the sealing strip B 5 of improving the sealing property between the door frame 1 and the door body 6 is glued with the door frame 1 one side, the inner frame 3 is welded with the door frame 1 inside, and the buffer groove 17 is set up with the inner frame 3 inside, the buffer block 15 is slidably connected with the buffer groove 17 inside, and the support plate 18 is welded with the buffer block 15 inside, the damping spring 16 is fixed with the inner frame 3 with the support plate 18 inside screw, the rubber block 14 of reducing impact force is fixed with the support plate 18 surface screw.
[0026] When the door body 6 contacts with the door frame 1 in use, the sealing strip A 2 outside the door body 6 contacts with the door frame 1, the sealing strip B 5 in the door frame 1 contacts with the door body 6, the sealing property between the door frame 1 and the door body 6 is improved, then the sound insulation layer A 7 in the door body 6 is made of nano inorganic polyester fiber sound-absorbing board, the external noise is absorbed, then the sound insulation layer B 8 on one side of the sound insulation layer A 7 is made of extruded polystyrene foam board, the noise is absorbed again, then the sound insulation layer C 9 outside the sound insulation layer B 8 is made of high-density polyester fiber sound-absorbing cotton, further absorption is carried out, the high-density polyester fiber sound-absorbing cotton has certain flame-retardant performance, the flame-retardant layer A 11 and the flame-retardant layer B 12 outside the sound insulation layer C 9 are supported by glass fiber and gypsum board respectively, have good flame-retardant characteristics, thereby the sound insulation and flame-retardant performance of the door are improved.
[0027] When the door body 6 of the door is suddenly closed by external force, the door closer 13 in the door frame 1 buffers the door body 6, then the door body 6 contacts with the inner frame 3 in the door frame 1, then the support plate 18 on the inner frame 3 contracts inward, then the damping spring 16 on one side of the support plate 18 buffers, then the buffer block 15 outside the support plate 18 slides in the buffer groove 17 set up in the inner frame 3, thereby the impact between the door body 6 and the door frame 1 is reduced, the service life of the door is improved.
[0028] In order to improve the strength of the door body 6, as shown in Figure 2 The utility model also includes that the flame-retardant layer A 11 outside screw is fixed with the reinforcing layer 10 of improving the strength of the door body 6.
[0029] In use, the reinforcing layer 10 in the door body 6 is made of vacuum cast aluminum plate panel, thereby improving the strength of the door body 6.
[0030] In order to improve the heat insulation performance of the door frame 1, as shown in Figure 1 、 Figure 2 and Figure 3 , the utility model also includes, the door frame 1 outside screw is fixed with the heat insulation strip 4 of improving the heat insulation performance of door frame 1.
[0031] In use, the heat insulation strip 4 outside the door frame 1 is fixed on the circumference of the door frame 1, thereby improving the heat insulation performance of the door frame 1.
[0032] In order to improve the sound insulation performance of the door body 6, as shown in Figure 2 , the utility model also includes, the sound insulation layer A7 is made of sound absorption board, the sound insulation layer B8 is made of foamed board, and the sound insulation layer C9 is made of sound insulation cotton.
[0033] In use, the sound insulation layer A7, the sound insulation layer B8 and the sound insulation layer C9 in the door body 6 improve the sound insulation performance of the door body 6.
[0034] In order to improve the flame retardant performance of the door body 6, as shown in Figure 2 , the utility model also includes, the flame retardant layer A11 is made of glass fiber, and the flame retardant layer B12 is made of gypsum board.
[0035] In use, the flame retardant layer A11 and the flame retardant layer B12 in the door body 6 improve the flame retardant performance of the door body 6.
[0036] In use, when the door body 6 contacts the door frame 1, the sealing strip A2 outside the door body 6 contacts the door frame 1, the sealing strip B5 in the door frame 1 contacts the door body 6, the sealing property between the door frame 1 and the door body 6 is improved, then the sound insulation layer A7 in the door body 6 is made of nano inorganic polyester fiber sound absorption board, absorbs external noise, then one side of the sound insulation layer A7 is made of extruded polystyrene foamed board sound insulation layer B8, noise is absorbed again, then the sound insulation layer C9 outside the sound insulation layer B8 is made of high-density polyester fiber sound insulation cotton, which further absorbs noise, and the high-density polyester fiber sound insulation cotton has certain flame retardant performance, and the flame retardant layer A11 and the flame retardant layer B12 outside the sound insulation layer C9 are respectively supported by glass fiber and gypsum board, which has good flame retardant characteristics, thereby improving the sound insulation and flame retardant performance of the entrance door.
[0037] When the door body 6 of the entrance door is suddenly closed by external force, the door closer 13 in the door frame 1 buffers the door body 6, then the door body 6 contacts the inner frame 3 in the door frame 1, then the supporting plate 18 on the inner frame 3 is inwardly retracted, then the damping spring 16 on one side of the supporting plate 18 buffers, then the buffer block 15 outside the supporting plate 18 slides in the buffer groove 17 in the inner frame 3, thereby reducing the impact between the door body 6 and the door frame 1 and improving the service life of the entrance door;
[0038] The reinforcing layer 10 in the door body 6 is made of vacuum-cast aluminum plate panel, thereby improving the strength of the door body 6;
[0039] The heat insulation strip 4 outside the door frame 1 is fixed on the outer periphery of the door frame 1, thereby improving the heat insulation performance of the door frame 1.
[0040] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, these changes and improvements all fall into the scope of the utility model claimed to be protected. The protection scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. A soundproof entry door, characterized in that, The application relates to a door frame (1) which is hingedly connected with a door body (6) on the inner side, is fixedly connected with a door closer (13) on the inner side, and is fixedly connected with the door body (6) on the inner side at the end away from the door frame (1), the door body (6) is fixedly connected with a sound insulation layer A (7) for improving the sound insulation performance of the door body (6) on the inner side, the sound insulation layer A (7) is glued with a sound insulation layer B (8) on one side, the sound insulation layer B (8) is glued with a sound insulation layer C (9) on the side away from the sound insulation layer A (7), the sound insulation layer C (9) is fixedly connected with a flame-retardant layer B (12) for improving the flame-retardant performance of the door body (6) on the outer side, the flame-retardant layer B (12) is glued with a flame-retardant layer A (11) on the end away from the sound insulation layer C (9), the door body (6) is glued with a sealing strip A (2) in contact with the door frame (1) on the outer side, the door frame (1) is glued with a sealing strip B (5) for improving the sealing performance between the door frame (1) and the door body (6) on one side, the door frame (1) is welded with an inner frame (3) on the inner side, the inner frame (3) is provided with a buffer groove (17) on the inner side, the buffer groove (17) is slidably connected with a buffer block (15) on the inner side, the buffer block (15) is welded with a supporting plate (18) on the inner side, the supporting plate (18) is fixedly connected with a damping spring (16) for connecting with the inner frame (3) on the inner side, and the supporting plate (18) is fixedly connected with a rubber block (14) for reducing the impact force on the surface.
2. A soundproof entrance door according to claim 1, characterized in that The flame-retardant layer A (11) is fixedly connected with a reinforcing layer (10) for improving the strength of the door body (6) on the outer side.
3. The soundproof entry door according to claim 1, wherein, The door frame (1) is fixedly connected with a heat insulation strip (4) for improving the heat insulation performance of the door frame (1) on the outer side.
4. The soundproof entry door according to claim 1, wherein, The sound insulation layer A (7) is made of sound absorption plates, the sound insulation layer B (8) is made of foam plates, and the sound insulation layer C (9) is made of sound insulation cotton.
5. The soundproof entry door according to claim 1, wherein, The flame-retardant layer A (11) is made of glass fibers, and the flame-retardant layer B (12) is made of gypsum boards.