CN220302030U - Damping composite structure sandwich sound insulation door plate - Google Patents
Damping composite structure sandwich sound insulation door plate Download PDFInfo
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- CN220302030U CN220302030U CN202321417762.2U CN202321417762U CN220302030U CN 220302030 U CN220302030 U CN 220302030U CN 202321417762 U CN202321417762 U CN 202321417762U CN 220302030 U CN220302030 U CN 220302030U
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- sound insulation
- damping
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- 238000009413 insulation Methods 0.000 title claims abstract description 93
- 238000013016 damping Methods 0.000 title claims abstract description 63
- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 239000012792 core layer Substances 0.000 claims abstract description 45
- 239000002023 wood Substances 0.000 claims abstract description 38
- 239000010410 layer Substances 0.000 claims abstract description 29
- 238000013329 compounding Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000011090 solid board Substances 0.000 claims 1
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 239000011093 chipboard Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Special Wing (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The utility model discloses a damping composite structure core sound insulation door plate, which belongs to the technical field of sound insulation plates and comprises a surface plate, a wood door frame and a sound insulation core layer, wherein the surface plate covers the front surface and the back surface of the wood door frame and forms an inner cavity with the wood door frame, wherein the inner cavity can accommodate the sound insulation core layer; the sound insulation core layer is internally arranged in the inner cavity; the sound insulation core layer is formed by superposing and compounding three layers of shaving boards and two layers of damping boards. The homogeneous shaving board can extend the sound wave space through a large number of communicated small cavities in the homogeneous shaving board, and convert sound energy into kinetic energy, so that noise reduction, echo elimination and the like are performed. The damping plate is of a high-density damping structure, and sound which is not absorbed is reflected and damped when passing through the damping plate, so that kinetic energy transmitted by a shaving board is eliminated, and the sound insulation core layer has good sound insulation performance.
Description
Technical Field
The utility model belongs to the technical field of sound insulation plates, and particularly relates to a sound insulation door plate with a damping composite structure core layer.
Background
Advances in sound insulation technology have led people away from noise and have a quiet living environment. At present, the sound insulation material is widely applied to living aspects. Along with the continuous increase of people's pursuit of quality of life, also pay more and more attention to the sound insulation effect of room. At present, synthetic wood boards or solid wood boards are widely used in the market as door boards, and the sound insulation effect of the door boards is poor. As in chinese patent, publication No. CN203081215U discloses a polyurethane sound insulation door panel in 2023, 7 and 24, the center of the door panel of the patent is a sound insulation layer, two sides of the sound insulation layer are symmetrically provided with a rubber layer and a wood layer, the sound insulation layer is a polyurethane board with both uneven surfaces, which can play a good role in sound absorption and insulation, and the polyurethane board has a good heat insulation and heat insulation function, and the rubber layer can further play a sound insulation effect and increase an anti-collision function. Polyurethane is used in the door plant although it has certain sound absorption function, but its mainly used thermal-insulated, the sound insulation effect is not good for door plant structural strength reduces, influences door plant use experience and life-span.
Disclosure of Invention
1. Problems to be solved
Aiming at the technical problem that the sound insulation effect of the sound insulation door plate is poor in the prior art, the utility model provides a sound insulation core layer body and a sound insulation plate, and the technical problem is solved by mutually superposing at least two sound insulation core layers, and arranging a flexible sandwich plate between every two adjacent sound insulation core layers.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme:
the damping composite structure core sound insulation door plate comprises a surface plate, a wood door frame and a sound insulation core layer, wherein the surface plate covers the front side and the back side of the wood door frame and forms an inner cavity with the wood door frame and capable of accommodating the sound insulation core layer; the sound insulation core layer is internally arranged in the inner cavity; the sound insulation core layer is formed by superposing and compounding three layers of shaving boards and two layers of damping boards.
Preferably, the particle board is a homogeneous particle board.
Preferably, the particle size of the homogeneous particle board is 1-5 mm.
Preferably, the damping plate material is rubber or damping sound insulation felt.
Preferably, the sound insulation core layer is formed by alternately superposing and compounding three layers of shaving boards and two layers of damping boards.
Preferably, the sound insulation core layer is formed by compounding three layers of shaving boards and two layers of damping boards, and the two layers of damping boards are positioned on two sides of the three layers of shaving boards.
Preferably, the wood door frame comprises at least four strip columns which are spliced and fixed end to form a rectangular frame.
Preferably, the surface plates comprise an upper surface plate and a lower surface plate, and the upper surface plate and the lower surface plate are covered on the front surface and the back surface of the wood door frame.
Preferably, the upper surface plate and the lower surface plate are wood-based artificial plates or solid wood plates.
3. Advantageous effects
In the utility model, the shaving board and the damping board are compositely overlapped into the sound insulation core layer, wherein the homogeneous shaving board can be used for prolonging the sound wave space through a large number of communicated small cavities in the homogeneous shaving board, converting sound energy into kinetic energy, thereby reducing noise, eliminating echo and the like. The damping plate is of a high-density damping structure, and sound which is not absorbed is reflected and damped when passing through the damping plate, so that kinetic energy transmitted by a shaving board is eliminated, and the sound insulation core layer has good sound insulation performance. The mode that shaving board and damping plate combine together not only can improve the sound insulation performance of timber, utilizes the good ductility of damping plate moreover, can also improve the structural strength of whole sound insulation sandwich layer, makes the timber of preparation possess good sound insulation performance and structural strength.
Drawings
FIG. 1 is an exploded view of a sound insulation door panel with alternately stacked chipboards and damping boards of a sound insulation core layer;
FIG. 2 is an exploded view of damping plates of the sound insulating core layer on both sides of the particle board;
in the figure:
1. a surface plate; 2. wooden door frame; 3. a sound insulation core layer; 301. a particle board; 302. and a damping plate.
Detailed Description
The following detailed description of exemplary embodiments of the utility model refers to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration exemplary embodiments in which the utility model may be practiced. While these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the utility model, it is to be understood that other embodiments may be realized and that various changes to the utility model may be made without departing from the spirit and scope of the utility model. The following more detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely illustrative and not limiting of the utility model's features and characteristics in order to set forth the best mode of carrying out the utility model and to sufficiently enable those skilled in the art to practice the utility model. Accordingly, the scope of the utility model is limited only by the attached claims.
Example 1
As shown in fig. 1, the utility model provides a damping composite structure core sound insulation door plate, which comprises a surface plate 1, a wood door frame and a sound insulation core layer 3. The surface plates 1 are covered on the front and back sides of the wood door frame, and form an inner cavity together with the wood door frame, and a sound insulation core layer 3 is fixedly arranged in the inner cavity. The three components form the sound insulation door plate with the whole damping composite structure core layer.
The surface board 1 comprises an upper surface board 1 and a lower surface board 1, wherein the upper surface board 1 is covered on the front surface of the wood door frame, and the lower surface board 1 is covered on the back surface of the wood door frame. Structural adhesive is adopted between the surface plate 1 and the wood door frame. The upper surface board 1 is generally a solid wood board or a wood-based artificial board, and the thickness of the upper surface board is generally 1-5 mm. The veneer 1 is preferably a solid wood board which is not easily deformed as a cover sheet.
The wood door frame is formed by connecting and splicing a plurality of strip columns end to end, and the number of the strip columns is not less than four. The long column is a cuboid wooden strip. The joints of the adjacent long columns are fixedly connected by adopting a stacking nailing gun nail.
The soundproof core layer 3 includes a chipboard 301 and a damping plate 302. The shaving board 301 and the damping board 302 are overlapped and compounded, and are bonded together by adopting structural adhesive. Preferably, the damping plate 302 has two layers and the particle board 301 has three layers. The two layers of damping plates 302 and the three layers of shaving plates 301 are alternately overlapped and compounded to form the sound insulation core plate. The particle board 301 is preferably a homogeneous particle board 301 with a particle size of 1-5 mm. The damping plate 302 is made of a damping material with certain ductility, such as a rubber material, a damping sound insulation felt, and the like.
In the utility model, the shaving board 301 and the damping board 302 are compositely overlapped into the sound insulation core layer 3, wherein the homogeneous shaving board 301 can be used for prolonging the sound wave space through a large number of communicated small cavities in the homogeneous shaving board 301 and converting sound energy into kinetic energy, thereby reducing noise, eliminating echoes and the like. The damping plate 302 is a high-density damping structure, and when the sound which is not absorbed passes through the damping plate 302, the sound is reflected and damped, and the kinetic energy transmitted by the shaving board 301 is eliminated, so that the sound insulation core layer 3 has good sound insulation performance. The mode that shaving board 301 and damping plate 302 are combined is adopted, the sound insulation performance of the wooden door can be improved, and the structural strength of the whole sound insulation core layer 3 can be improved by utilizing the good ductility of the damping plate 302, so that the prepared wooden door has good sound insulation performance and structural strength.
The manufacturing method of the damping composite structure core layer sound insulation door plate comprises the following steps:
S 1 : manufacturing a wood door frame: the long columns are spliced end to form a shape like a Chinese character 'kou' or a shape like a Chinese character 'ri', and the joints of the long columns are fixed by using a code nail gun.
S 2 : the upper surface plate 1 is cut into a shape suitable for the size of the wood door frame, covered on the front and back sides of the wood door frame and fixed by a nail gun. And the gap between the upper surface plate 1 and the wood door frame is sealed and bonded by adopting structural adhesive.
S 3 : making sound-insulating core layer 3: three pieces of homogeneous shaving board 301 with the same size as the homogeneous shaving board 301 and two pieces of damping board 302 with the same size as the homogeneous shaving board 301 are alternately stacked together. Structural adhesive is adopted between adjacent shaving boards 301 and damping boards 302 for bonding.
S 4 : after the sound insulation core layer 3 is placed at the corresponding position in the wood door frame, the sound insulation core plate is adhered to the upper surface plate 1 and the wood door frame by adopting structural adhesive.
S 5 : and coating structural adhesive on the upper and lower surface plates 1, covering the upper and lower surface plates with a wood door frame, and reinforcing and fixing by using a code nail gun to obtain a damping composite structure core layer sound insulation door plate semi-finished product.
S 6 : will S 5 The obtained semi-finished product of the sound insulation door plate with the damping composite structure core layer is glued and pressed for 3 minutes by a hot press, the temperature is 105 ℃, and the pressure is 0.6-0.8 MP; or gluing and pressing for 4-8 hours in a cold press, wherein the pressure is 0.8-1 MP.
S 7 : will S 6 And (5) sealing the edges of the middle semi-finished product sound insulation door plate on a linear edge sealing machine.
S 8 : will S 7 And processing a door pin hole and a hinge hole on the CNC to obtain a finished product of the damping composite structure core layer sound insulation door plate.
Example 2
As shown in fig. 2, in order to further explore the influence of the arrangement sequence of the damping plates 302 and the sound absorbing plates on the sound insulation effect in the sound insulation core layer 3, in this embodiment, the sound insulation core layer 3 is a sound insulation door plate with a damping composite structure, three homogeneous shaving boards 301 with the same size as the homogeneous shaving boards 301 and two damping plates 302 with the same size as the homogeneous shaving boards 301 are taken, the three homogeneous shaving boards 301 are covered and bonded together, and the two damping plates 302 are bonded on two sides of the three homogeneous shaving boards 301.
And (3) sound insulation detection:
and (3) taking a finished product of the damping composite structure core sound insulation door plate, and detecting the sound absorption performance of the damping composite structure core sound insulation door plate by adopting a standard reverberation room method. The test was performed according to GB-T8485-2008 standard. And comparing and detecting by using the sound insulation door plate with the sound insulation core layer made of polyurethane as a reference plate.
Test results:
| test sample | Test material composition | Test result (weight sound insulation) |
| Example 1 | The sound insulation core layer is formed by alternately superposing shaving boards and damping boards | 38dB |
| Example 2 | The sound insulation core layer is formed by arranging damping plates on two sides of the shaving board | 39dB |
| Reference plate | The sound insulation core layer is polyurethane | 50dB |
From the above test data, it can be seen that the sound insulation effect is thus example 1, example 2 and reference panel from high to low.
(1) The sound insulation effect of the wood door panels in example 1 and example 2 was superior to that of the reference wood panels.
(2) The sound insulation effect in example 1 was substantially the same as that in example 2, indicating that the relative positions of the damping plate and the sound absorbing plate had little effect on the sound insulation effect.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (9)
1. The damping composite structure core sound insulation door plate is characterized by comprising a surface plate (1), a wood door frame and a sound insulation core layer (3), wherein the surface plate (1) covers the front surface and the back surface of the wood door frame and forms an inner cavity with the wood door frame, wherein the inner cavity can accommodate the sound insulation core layer (3); the sound insulation core layer (3) is arranged in the inner cavity; the sound insulation core layer (3) is formed by superposing and compounding three layers of shaving boards (301) and two layers of damping boards (302).
2. The damped composite structure core acoustic door panel of claim 1, wherein said particle board (301) is a homogeneous particle board (301).
3. The damped composite structure core acoustic door panel of claim 2, wherein said homogeneous particle board (301) has a particle size of 1-5 mm.
4. The damped composite structure core acoustic door panel of claim 1, wherein the damping plate (302) material is rubber or damped acoustic felt.
5. The damping composite structure core sound insulation door plate according to claim 1, wherein the sound insulation core layer (3) is formed by alternately superposing and compounding three layers of shaving boards (301) and two layers of damping boards (302).
6. The damping composite structural core sound insulation door plate according to claim 1, wherein the sound insulation core layer (3) is formed by compounding three layers of shaving boards (301) and two layers of damping boards (302), and the two layers of damping boards (302) are positioned on two sides of the three layers of shaving boards (301).
7. The damped composite structure core acoustic door panel of claim 1, wherein said wood door frame comprises a rectangular frame formed by at least four elongated posts spliced end to end.
8. The damping composite structural core sound insulation door panel according to claim 1, wherein the surface plate (1) comprises an upper surface plate (1) and a lower surface plate (1), and the upper surface plate (1) and the lower surface plate (1) are covered on the front surface and the back surface of the wood door frame.
9. The damped composite structure core acoustic door panel of claim 8, wherein said upper skin (1) and said lower skin (1) are wood-based artificial or solid boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321417762.2U CN220302030U (en) | 2023-06-05 | 2023-06-05 | Damping composite structure sandwich sound insulation door plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321417762.2U CN220302030U (en) | 2023-06-05 | 2023-06-05 | Damping composite structure sandwich sound insulation door plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302030U true CN220302030U (en) | 2024-01-05 |
Family
ID=89353645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321417762.2U Active CN220302030U (en) | 2023-06-05 | 2023-06-05 | Damping composite structure sandwich sound insulation door plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302030U (en) |
-
2023
- 2023-06-05 CN CN202321417762.2U patent/CN220302030U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240510 Address after: 510450 No. 366 Guanghua Third Road, Baiyun District, Guangzhou City, Guangdong Province Patentee after: OPPEIN HOME GROUP Co.,Ltd. Country or region after: China Address before: 510870 Min'an Village, Tiemian Town, Huadu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU OUBONI INTEGRATED HOME Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |