Door leaf of sound insulation door
By using a composite sound-insulating decorative panel structure and flush design, the problems of existing soundproof door decorative panels being unsuitable for decoration and noise transmission through the door frame are solved, achieving a combination of high-efficiency sound insulation performance and decoration.
Patent Information
- Application Number
- CN202422291763.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-09-19
AI Technical Summary
Existing soundproof door panel materials have good sound absorption but are not suitable for decoration, and the door frame can easily cause noise transmission, affecting the sound insulation effect.
It adopts a composite sound-insulating decorative panel structure, including a decorative panel, a sound-insulating felt layer and an inner panel, with flush edges and edge banding. The door frame is flush with the decorative panel. The sound insulation effect is improved through the combination of multiple materials, and the decorative panel is decorated with texture and color design.
It achieves a significant improvement in sound insulation performance while maintaining the decorative effect, preventing noise from being transmitted through the door frame and enhancing the overall sound insulation effect.
Smart Images

Figure CN223661679U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to soundproof door technical field, concretely relates to a soundproof door door leaf. BACKGROUND
[0002] Soundproof door is mainly used in the place with high sound insulation requirement to play the sound insulation role; the design emphasis of soundproof door lies in its sound insulation performance, therefore, the door core sound insulation material, structure of the door, and the sealing performance and veneer material of the door are regarded as important influencing factors.
[0003] In order to maintain the sound insulation performance and structural integrity of soundproof door, the prior art usually selects the veneer material with good sound absorption effect, such as gypsum board, ink board and the like; but the surface properties of such veneer with good sound absorption effect are not suitable for direct decoration treatment, and directly pasting veneer on it is prone to falling off problem. Therefore, the existing soundproof door veneer usually does not have too much grain and color design.
[0004] In addition, the door frame of the existing soundproof door also affects the sound insulation effect of the soundproof door. The door frame is also a main way of noise transmission (referring to the drawing), if the area of the door frame is larger, noise will be more easily transmitted through the door frame, thereby affecting the sound insulation effect. Figure 8
[0005] Therefore, the present application provides a composite sound insulation veneer, which can design the texture and color of the veneer and guarantee and improve the sound insulation performance of the soundproof door. CONTENT OF THE UTILITY MODEL
[0006] The utility model aims at overcoming the defects of prior art, providing a soundproof door door leaf, which can design the texture and color of the veneer and guarantee and improve the sound insulation performance of the soundproof door.
[0007] The utility model aims at overcoming the defects of prior art, providing a soundproof door door leaf, which can design the texture and color of the veneer and guarantee and improve the sound insulation performance of the soundproof door.
[0008] A soundproof door door leaf, comprising decorative veneer, sound insulation felt layer and inner plate which are sequentially bonded, the edges of the decorative veneer, sound insulation felt layer and inner plate are flush, forming a composite sound insulation veneer plate body, and the sound insulation felt layer is sound insulation felt. The edges of the decorative veneer, sound insulation felt layer and inner plate are flush, so that the periphery of the composite sound insulation veneer plate body can be directly edge sealed.
[0009] In one preferred embodiment of the present application, the inner plate is a plurality of layers of plate material.
[0010] In one preferred embodiment of the present application, a plurality of layers of plate material are further arranged between the decorative veneer and the sound insulation felt layer.
[0011] In a preferred embodiment of the present application, the inner plate is provided with a plurality of grooves in the middle of the inner plate away from the side of the decorative panel.
[0012] In a preferred embodiment of the present application, the inner plate is a multi-layer plate. The multi-layer plate, i.e. multi-layer solid wood plate, is made by hot pressing three or more layers of veneer or thin wood boards. The plywood is generally divided into six specifications, i.e. 3mm, 5mm, 9mm, 12mm, 15mm and 18mm (1mm is equal to 1mm); and the environmental protection level can reach E1.
[0013] In a preferred embodiment of the present application, the thickness of the decorative panel is 3-6mm, the thickness of the soundproof felt layer is 1-3mm, and the thickness of the inner plate is 2.5-6mm.
[0014] Preferably, the thickness of the decorative panel is 5mm, the thickness of the soundproof felt layer is 2mm, and the thickness of the inner plate is 5mm.
[0015] Preferably, the total thickness of the composite soundproof decorative panel of the present application is 12mm.
[0016] The present application also provides a soundproof door leaf, comprising: a door frame, a soundproof door core, an outer decorative panel, an inner decorative panel, and an edge covering; the door frame is bonded between the outer decorative panel and the inner decorative panel; the soundproof door core is located inside the door frame and is bonded to the outer decorative panel and the inner decorative panel; the outer periphery of the door frame, the outer decorative panel and the inner decorative panel is flush, and the outer periphery of the door frame, the outer decorative panel and the inner decorative panel is covered by the edge covering; the outer decorative panel and the inner decorative panel are both the composite soundproof decorative panel described above; the door frame and the soundproof door core are both bonded to the inner plate of the composite soundproof decorative panel.
[0017] In a preferred embodiment of the present application, the soundproof door core is a solid wood honeycomb door core.
[0018] In a preferred embodiment of the present application, the door frame comprises two vertical frames arranged left and right, and two horizontal frames arranged between the upper and lower parts of the two vertical frames; the top outer corners of the vertical frames and the bottom outer corners of the vertical frames are respectively provided with a rectangular protruding block portion; the inner plate is provided with a rectangular notch portion matched with the rectangular protruding block portion.
[0019] In a preferred embodiment of the present application, the soundproof door leaf and the corresponding door set are of a twin opening structure, the thickness of the door leaf is 55-70mm, and the thickness of the door set is 40-55mm. In order to ensure soundproof effect, the thickness of the door leaf is more than 55mm and the thickness of the door set is more than 40mm.
[0020] In a preferred embodiment of the present scheme, a double-layer sound insulation sealing strip is arranged between the door leaf and the door pocket; and a silica gel automatic sound insulation door stopper is arranged below the door leaf. The automatic sound insulation door stopper is automatically sealed when the door is closed, and is automatically lifted when the door is opened, thereby further ensuring the sound insulation effect.
[0021] The utility model discloses the beneficial effect is: the composite sound insulation veneer of the present scheme includes decorative panel, sound insulation felt layer, inner board that bond in proper order, the sound insulation felt layer is with high density sound absorption material sound insulation felt that makes, and its sound insulation effect is remarkable, can effectively reduce the sound propagation, and the composite sound insulation veneer its multilayer structure and the combination of different materials, utilize the characteristic of every layer material to block the propagation of sound wave, be favorable to realize better sound insulation effect,
[0022] The present scheme improves the sound insulation effect of the veneer through the sound insulation felt layer and the multilayer material composite mode, so that the present scheme can replace the existing gypsum board, ink board and other veneer board materials through the overall structure of the decorative panel, sound insulation felt layer and inner board composite, the decorative panel can be prepared from materials such as solid wood bark, technology bark, melamine decorative paper and PVC decorative material, and then the texture and color design of the veneer can be performed on the decorative panel.
[0023] In addition, the edges of the decorative panel, sound insulation felt layer and inner board are flush, and when two composite sound insulation veneers are combined with a sound insulation door core and a door frame to form a whole door leaf, the door frame can be completely covered and shielded by the two composite sound insulation veneers, so that the noise needs to penetrate the outer composite sound insulation veneer, the door frame and the inner composite sound insulation veneer in sequence. Therefore, the present scheme can avoid the problem that the noise directly passes through the door frame and affects the sound insulation effect. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is the structure schematic diagram of the utility model embodiment 1;
[0025] Figure 2 is the structure schematic diagram of the utility model composite sound insulation veneer;
[0026] Figure 3 is the transverse section schematic diagram of the utility model composite sound insulation veneer;
[0027] Figure 4 is the structure schematic diagram of the utility model embodiment 2;
[0028] Figure 5 is the structure schematic diagram of the utility model embodiment 3;
[0029] Figure 6 is the structure schematic diagram of the utility model embodiment 4;
[0030] Figure 7 is the structure schematic diagram of the utility model embodiment 5;
[0031] Figure 8 Prior art structural schematic diagram. DETAILED DESCRIPTION
[0032] The technical solutions of the utility model will be described in further detail below in conjunction with the drawings, but the protection scope of the utility model is not limited to the following.
[0033] Embodiment 1
[0034] As shown in the figure, a soundproof door leaf includes a door frame 5, a soundproof door core 4, an outer decorative panel, an inner decorative panel, and an edge sealing skin 6; wherein the outer decorative panel and the inner decorative panel are both composite soundproof decorative panels. Figure 1 In this embodiment, as shown in the figure, the composite soundproof decorative panel includes a decorative panel 1, a soundproof felt layer 2, and an inner panel 3 which are sequentially bonded; the edges of the decorative panel 1, the soundproof felt layer 2, and the inner panel 3 are flush, forming a composite soundproof decorative panel body, so that the four surrounding surfaces of the composite soundproof decorative panel body can be directly sealed by the edge sealing skin; the soundproof felt layer 2 is soundproof felt, the inner panel 3 is a multi-layer panel, and the decorative panel 1 is solid wood bark.
[0035] Figure 2 Further preferably, the thickness of the decorative panel 1 is 3mm, the thickness of the soundproof felt layer 2 is 1.2mm, and the thickness of the inner panel 3 is 3mm.
[0036] With reference to the figure, in this embodiment, the door frame 5 is bonded between the outer decorative panel and the inner decorative panel; the soundproof door core 4 is a solid wood honeycomb sound-absorbing panel (solid wood honeycomb door core), which is located inside the door frame 5 and is bonded and connected with the outer decorative panel and the inner decorative panel respectively; the outer perimeters of the door frame 5, the outer decorative panel, and the inner decorative panel are flush, and the outer perimeters of the door frame 5, the outer decorative panel, and the inner decorative panel are covered by the edge sealing skin 6; the door frame 5 and the soundproof door core 4 are both bonded with the inner panel 3 of the composite soundproof decorative panel.
[0037] Further, in this scheme, the upper part and both sides of the door pocket in contact with the door leaf are both double-joint structures, and in order to ensure soundproofing effect, the thickness of the door leaf is 55mm and the thickness of the door pocket is 40mm.
[0037] Figure 1 In this embodiment, a special double-layer soundproof sealing strip is arranged between the door leaf and the door pocket. A silicone automatic soundproof door stopper is arranged below the door leaf, which automatically seals when the door is closed and automatically lifts when the door is opened, further ensuring soundproofing effect. Figure 3 Embodiment 2
[0038] With reference to the figure, in this embodiment, the door frame 5 is bonded between the outer decorative panel and the inner decorative panel; the soundproof door core 4 is a solid wood honeycomb sound-absorbing panel (solid wood honeycomb door core), which is located inside the door frame 5 and is bonded and connected with the outer decorative panel and the inner decorative panel respectively; the outer perimeters of the door frame 5, the outer decorative panel, and the inner decorative panel are flush, and the outer perimeters of the door frame 5, the outer decorative panel, and the inner decorative panel are covered by the edge sealing skin 6; the door frame 5 and the soundproof door core 4 are both bonded with the inner panel 3 of the composite soundproof decorative panel.
[0039] Further, in this scheme, the upper part and both sides of the door pocket in contact with the door leaf are both double-joint structures, and in order to ensure soundproofing effect, the thickness of the door leaf is 55mm and the thickness of the door pocket is 40mm.
[0040] In this embodiment, a special double-layer soundproof sealing strip is arranged between the door leaf and the door pocket. A silicone automatic soundproof door stopper is arranged below the door leaf, which automatically seals when the door is closed and automatically lifts when the door is opened, further ensuring soundproofing effect.
[0041] Figure 4 As shown, the difference between the embodiment and embodiment 1 is only that the door frame 5 is composed of two vertical frames 501 and two horizontal frames 502; the top outer corners of the vertical frame 501 and the bottom outer corners of the vertical frame 501 are respectively provided with a rectangular protruding block part 5011; the inner side of the inner plate 3 is provided with a rectangular slot 301 matched with the rectangular protruding block part 5011; the clamping design of the protruding block part 5011 and the rectangular slot 301 can help to improve the bonding stability of the inner plate 3 and the door frame 5.
[0042] Embodiment 3
[0043] Reference Figure 5 As shown, the difference between the embodiment and embodiment 1 is only that, in the embodiment, a plurality of grooves 302 are formed in the middle of the inner plate 3 away from the decorative panel 1, and the plurality of grooves 302 make the inner plate 3 form a cavity structure to further improve the sound insulation effect.
[0044] Embodiment 4
[0045] Reference Figure 6 As shown, the difference between the embodiment and embodiment 2 is only that, in the embodiment, the thickness of the decorative panel 1 is 5 mm, the thickness of the sound insulation felt layer 2 is 2 mm, and the inner plate 3 is two layers of multi-layer plates, and both of the two layers of multi-layer plates are 2.5 mm.
[0046] Further, in the scheme, a multi-layer plate away from the decorative panel 1 is cut into a square at four corners, so that after the two layers of multi-layer plates are bonded, a rectangular slot 301 matched with the rectangular protruding block part 5011 is formed at the cutting part.
[0047] In the embodiment, the thickness of the door leaf is 60 mm, and the thickness of the door pocket is 45 mm.
[0048] Embodiment 5
[0049] Reference Figure 7 As shown, the difference between the embodiment and embodiment 1 is only that, in the embodiment, a 3 mm thick multi-layer plate is further bonded between the decorative panel 1 and the sound insulation felt layer 2 of the composite sound insulation decorative panel to strengthen the structure of the composite sound insulation decorative panel.
[0050] The above is only the preferred embodiment of the present application, and it should be understood that the present application is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein by the above teaching or related technical or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the appended claims of the present application.
Claims
1. A soundproof door leaf, characterized in that, include: Decorative panel (1), sound insulation felt layer (2), and inner panel (3) are bonded together in sequence. The edges of the decorative panel (1), the sound insulation felt layer (2), and the inner panel (3) are flush to form a composite sound insulation decorative panel body; The sound insulation felt layer (2) is a sound insulation felt; Door frame (5), soundproof door core (4), outer decorative panel, inner decorative panel, edge banding (6). The door frame (5) is bonded between the outer decorative panel and the inner decorative panel; The soundproof door core (4) is located inside the door frame (5), and the soundproof door core (4) is bonded to the outer decorative panel and the inner decorative panel respectively; The outer perimeters of the door frame (5), the outer decorative panel, and the inner decorative panel are flush, and the outer perimeters of the door frame (5), the outer decorative panel, and the inner decorative panel are covered with edge banding (6); Both the exterior and interior decorative panels are composite sound-insulating decorative panels. The door frame (5) and the soundproof door core (4) are both bonded to the inner panel (3) of the composite soundproof decorative panel; The door frame (5) includes two vertical frames (501) arranged on the left and right, and two horizontal frames (502) respectively arranged between the upper and lower parts of the two vertical frames. The vertical frame (501) has a rectangular protrusion (5011) protruding outward from both sides of its top outer corner and both sides of its bottom outer corner. The inner plate (3) has a rectangular slot (301) on its inner side that is adapted to the rectangular protrusion (5011).
2. The soundproof door leaf according to claim 1, characterized in that: The soundproof door core (4) is a solid wood honeycomb door core.
3. The soundproof door leaf according to claim 1, characterized in that: The soundproof door leaf has a double-mouth structure on the top and sides where it contacts the corresponding door frame. The door leaf thickness is 55mm~70mm, and the door frame thickness is 40mm~55mm.
4. The soundproof door leaf according to claim 1, characterized in that: The inner panel (3) consists of several layers of sheet material.
5. The soundproof door leaf according to claim 1, characterized in that: Several layers of boards are also spaced between the decorative panel (1) and the sound insulation felt layer (2).
6. The soundproof door leaf according to claim 4, characterized in that: The inner panel (3) has multiple grooves (302) in the middle of the side away from the decorative panel (1).
7. A soundproof door leaf according to claim 6, characterized in that: The inner panel (3) is a multi-layer board.
8. A soundproof door leaf according to claim 5, characterized in that: The decorative panel (1) has a thickness of 3~6mm, the sound insulation felt layer (2) has a thickness of 1~3mm, and the inner panel (3) has a thickness of 2.5~6mm.