Composite door sound insulation assembly
By incorporating hollow support components, air cavities, and filling components into the composite door, the problem of insufficient sound insulation in composite doors is solved, achieving a highly efficient sound insulation effect.
Patent Information
- Application Number
- CN202520346787.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Existing composite doors cannot meet the high sound insulation requirements in places where a quiet environment is needed.
A composite door sound insulation component is designed, comprising a hollow support component, first and second air cavities, a panel component, and a filling component, which improves the sound insulation effect through a multi-layer sound insulation structure.
The composite door achieves excellent sound insulation performance, effectively blocking indoor and outdoor noise and improving the comfort of a quiet environment.
Smart Images

Figure CN223952547U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to composite door technical field, especially in a kind of composite door sound insulation assembly. BACKGROUND
[0002] At present, with the development of door frame industry technology, various doors also appear, and the doors mainly include original wooden door, solid wood door, plastic steel door, steel wood door, metal door and composite door, various doors have their own characteristics, and various composite doors also appear, composite door is made of two or more than two main materials, and the general structure of composite door is inner frame+door core+facing plate, according to the material, method of each component determines various performance, grade, price, and the door core of composite door is mainly made of pine, Chinese fir or imported filling material and the like.
[0003] At present, the common composite door is composed of door panel and inner core plate due to the simple internal structure, and the composite door does not have sound insulation assembly inside, so it cannot meet the higher sound insulation demand when used in places needing quiet environment, and therefore a composite door sound insulation assembly is provided. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of composite door sound insulation assemblies, by setting sound insulation assembly, it is convenient to utilize filling assembly to carry out first sound insulation, then utilize hollow support assembly to carry out secondary sound insulation, simultaneously cooperate first air cavity and second cavity to further improve sound insulation effect.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of composite door sound insulation assembly, including composite door main body, the inside of the composite door main body is provided with sound insulation assembly, and the sound insulation assembly includes:
[0006] Hollow support assembly, the hollow support assembly is set to the inside of composite door main body, and hollow support assembly is used to carry out secondary sound insulation;
[0007] First air cavity and second air cavity, the first air cavity and second air cavity are all set to the inside of hollow support assembly;
[0008] Plate body assembly, both sides of the hollow support assembly are provided with plate body assembly, and plate body assembly is used to connect composite door main body and hollow support assembly;
[0009] Filling assembly, the plate body assembly and hollow support assembly corresponding side are provided with filling assembly, and filling assembly is used to carry out first sound insulation;
[0010] Side plate, the side of the composite door main body is fixedly connected with side plate, and side plate is used to seal composite door main body.
[0011] Preferably, the hollow support assembly comprises two intermediate plates, a plurality of connecting ribs connected between the two intermediate plates, and a plurality of arc-shaped strips fixedly connected to the inner sides of the intermediate plates.
[0012] Preferably, the outer sides of the two composite door bodies are fixedly connected with decorative plates, and the cross-sectional profile of the side plates is in the shape of a Chinese character "N".
[0013] Preferably, the plate body assembly comprises a connecting plate fixedly connected to the inner side of the composite door body, and a plurality of connecting keels fixedly connected to the side edges of the connecting plate, and the free ends of the connecting keels are fixedly connected to the outer sides of the intermediate plates.
[0014] Preferably, the filling assembly comprises a first filling layer located at the side edges of the intermediate plates and a second filling layer located at the outer sides of the first filling layer, the first filling layer is specifically soundproof cotton, and the second filling layer is specifically soundproof felt.
[0015] Preferably, the hollow support assembly is made of stainless steel material or aluminum alloy material, a first air cavity is formed between the two intermediate plates, and a second air cavity is formed in the inner part of each arc-shaped strip.
[0016] The technical effects and advantages of the utility model are as follows:
[0017] The plate body assembly can be made of solid wood plates, and then the filling assembly is used for primary sound insulation, and then the hollow support assembly with high density is used for secondary sound insulation, and the first air cavity and the second air cavity formed in the hollow support assembly can further produce sound insulation effect. The design sets the sound insulation assembly, facilitates the primary sound insulation by the filling assembly, and then uses the hollow support assembly for secondary sound insulation, and cooperates with the first air cavity and the second cavity to further improve the sound insulation effect. By setting the multi-layer sound insulation structure, the entire composite door can have good sound insulation performance, so as to cut off the indoor or outdoor sound. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 It is a three-dimensional structure schematic view of the utility model.
[0019] Fig. 2 It is an internal structure schematic view of the utility model.
[0020] In the figure: 1, composite door body; 2, hollow support assembly; 201, intermediate plate; 202, connecting rib; 203, arc-shaped strip; 3, first air cavity; 4, second air cavity; 5, plate body assembly; 501, connecting keel; 502, connecting plate; 6, decorative plate; 7, filling assembly; 701, first filling layer; 702, second filling layer; 8, side plate. DETAILED DESCRIPTION
[0021] 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.
[0022] The utility model provides a kind of composite door sound insulation assembly as Figs. 1-2 As shown in a kind of composite door sound insulation assembly, including composite door main body 1, the inside of composite door main body 1 is provided with sound insulation assembly, and sound insulation assembly includes: hollow support assembly 2, hollow support assembly 2 is set to the inside of composite door main body 1, and hollow support assembly 2 is used to carry out secondary sound insulation;First air cavity 3 and second air cavity 4, first air cavity 3 and second air cavity 4 are all set to the inside of hollow support assembly 2;Plate body assembly 5, both sides of hollow support assembly 2 are provided with plate body assembly 5, and plate body assembly 5 is used to connect composite door main body 1 with hollow support assembly 2;Filling assembly 7, plate body assembly 5 and hollow support assembly 2 corresponding side are provided with filling assembly 7, and filling assembly 7 is used to carry out primary sound insulation;Side plate 8, the side of composite door main body 1 is fixedly connected with side plate 8, and side plate 8 is used to seal composite door main body 1;When using the composite door, whether it is indoor or outdoor sound is generated, at this time, plate body assembly 5 will carry out sound insulation to a certain extent, the plate body assembly 5 can be made of solid wood board, then primary sound insulation is carried out by filling assembly 7, then secondary sound insulation is carried out by high-density hollow support assembly 2, and first air cavity 3 and second air cavity 4 formed in hollow support assembly 2 can further produce sound insulation effect, the design is provided with multilayer sound insulation structure, so that the entire composite door can play good sound insulation performance, so as to cut off the sound of indoor or outdoor.
[0023] Further, hollow support assembly 2 includes two intermediate plates 201, a plurality of connecting ribs 202 connected between the two intermediate plates 201 and a plurality of arc-shaped strips 203 fixedly connected to the inner side of the intermediate plate 201;Secondary sound insulation is carried out by two intermediate plates 201, then re-sound insulation is carried out by arc-shaped strip 203, and first air cavity 3 is carried out simultaneously by the second air cavity 4 formed in the inner side of arc-shaped strip 203, so that hollow support assembly 2 has better sound insulation effect, thereby improving the sound insulation performance of the entire composite door.
[0024] Furthermore, decorative panels 6 are fixedly connected to the outer sides of both composite door bodies 1, and the cross-sectional profile of the side panels 8 is set as a convex shape; the convex side panels 8 can be well adapted to the composite door, thereby covering the sound insulation components inside the composite door, achieving a certain sealing effect, and thus achieving a good sound insulation effect.
[0025] Furthermore, the panel assembly 5 includes a connecting plate 502 fixedly connected to the inner side of the composite door body 1 and a plurality of connecting keels 501 fixedly connected to the side of the connecting plate 502, and the free end of the connecting keel 501 is fixedly connected to the outer side of the intermediate plate 201; the connecting plate 502 is used to connect to the composite door body 1, and then the connecting keel 501 is used to connect to the intermediate plate 201 on the hollow support assembly 2. The connecting keel 501 can be a straight keel or a square keel.
[0026] Furthermore, the filling component 7 includes a first filling layer 701 located on the side of the middle plate 201 and a second filling layer 702 located outside the first filling layer 701. The first filling layer 701 is specifically sound insulation cotton, and the second filling layer 702 is specifically sound insulation felt. Sound insulation is achieved by using the first filling layer 701 and the second filling layer 702 together. By utilizing the sound insulation material properties of the sound insulation cotton or sound insulation felt, the sound insulation effect of the composite door is further improved.
[0027] It should be further explained that the hollow support component 2 is made of stainless steel or aluminum alloy. A first air cavity 3 is formed between the two intermediate plates 201, and a second air cavity 4 is formed inside each arc strip 203. The hollow support component 2 here is made of lightweight stainless steel or lightweight aluminum alloy, which not only utilizes high-density materials to produce good sound insulation, but also avoids the overall weight of the composite door from being too heavy, which would put too much burden on the hinges later. Furthermore, the cooperation between the first air cavity 3 and the second air cavity 4 can produce a good sound insulation effect.
[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A composite door soundproofing assembly comprising a composite door body (1), characterized in that, The inside of the composite door body (1) is provided with a sound insulation assembly, which comprises: A hollow support assembly (2) is arranged in the inside of the composite door body (1), and the hollow support assembly (2) is used for secondary sound insulation; A first air cavity (3) and a second air cavity (4) are arranged in the inside of the hollow support assembly (2); A plate body assembly (5) is arranged on both sides of the hollow support assembly (2), and the plate body assembly (5) is used for connecting the composite door body (1) and the hollow support assembly (2); A filling assembly (7) is arranged on the corresponding side of the plate body assembly (5) and the hollow support assembly (2), and the filling assembly (7) is used for primary sound insulation; A side plate (8) is fixedly connected to the side of the composite door body (1), and the side plate (8) is used for sealing the composite door body (1).
2. A composite door soundproofing assembly according to claim 1, wherein, The hollow support assembly (2) comprises two intermediate plates (201), a plurality of connecting ribs (202) connected between the two intermediate plates (201), and a plurality of arc-shaped strips (203) fixedly connected to the inner side of the intermediate plate (201).
3. A composite door soundproofing assembly according to claim 1, wherein, Both sides of the composite door body (1) are fixedly connected with a decorative plate (6), and the cross-sectional profile of the side plate (8) is arranged in a convex shape.
4. A composite door soundproofing assembly according to claim 2, wherein, The plate body assembly (5) comprises a connecting plate (502) fixedly connected to the inner side of the composite door body (1) and a plurality of connecting keels (501) fixedly connected to the side of the connecting plate (502), and the free end of the connecting keel (501) is fixedly connected to the outer side of the intermediate plate (201).
5. A composite door soundproofing assembly according to claim 4, wherein, The filling assembly (7) comprises a first filling layer (701) on the side of the intermediate plate (201) and a second filling layer (702) on the outer side of the first filling layer (701), the first filling layer (701) is specifically sound insulation cotton, and the second filling layer (702) is specifically sound insulation felt.
6. A composite door soundproofing assembly according to claim 2, wherein, The hollow support assembly (2) is made of stainless steel material or aluminum alloy material, a first air cavity (3) is formed between the two intermediate plates (201), and a second air cavity (4) is formed in the inside of each arc-shaped strip (203).