CN217842503U - Sound insulation box with damping structure - Google Patents
Sound insulation box with damping structure Download PDFInfo
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- CN217842503U CN217842503U CN202221974196.0U CN202221974196U CN217842503U CN 217842503 U CN217842503 U CN 217842503U CN 202221974196 U CN202221974196 U CN 202221974196U CN 217842503 U CN217842503 U CN 217842503U
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Abstract
The utility model discloses a sound insulation box with a shock absorption structure, which has the key points of the technical proposal that the sound insulation box comprises a sound insulation outer box, a sound insulation inner box, a plurality of first shock absorption devices and a plurality of second shock absorption devices; the sound insulation outer box comprises an outer box body and an outer box door, the outer box door is hinged with the outer box body, the outer box door and the outer box body can form a closed cavity, and the first damping devices are supported at the bottom of the outer box body; the sound insulation inner box is positioned in the sound insulation outer box, and a gap is formed between the sound insulation inner box and the sound insulation outer box; the sound insulation inner box comprises an inner box body and an inner box door, wherein the inner box door is hinged with the inner box body, and the inner box door and the inner box body can form a closed cavity; all the second damping devices are fixed on the bottom surface of the inner box body and supported on the outer box body. The utility model discloses a set up inside and outside double box structure of each other contactless, including the bottom of box and outer box all sets up damping device, keep apart the vibration that comes from external world and ground, effectively eliminate low frequency noise to satisfy acoustic performance test's noise requirement.
Description
Technical Field
The utility model relates to a sound-proof box structure field, more specifically the utility model relates to a sound-proof box with shock-absorbing structure that says so.
Background
Microphones, which are important devices for converting sound signals into electrical signals, have been widely used in various electronic devices such as mobile phones and computers. With the improvement of the requirements on the quality and performance of the microphone, the requirements on the low-frequency performance of the microphone are higher and higher, so that the microphone needs to be put into a soundproof box for an acoustic performance test before being shipped out of a factory.
The common sound insulation box comprises a box body and a box door, wherein an opening is formed in the box body, and the box door is hinged to the opening of the box body. When the box door rotates to cover the box opening, the box door can be fixed on the box body. Although the soundproof box meets basic requirements of transportation, floor bearing in a production workshop and the like, the soundproof box cannot play a good isolation effect on the vibration from the outside and the ground, so that low-frequency noise cannot be effectively eliminated by the soundproof box during acoustic performance testing, and the noise requirement of the acoustic performance testing cannot be met.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a sound-proof box with shock-absorbing structure, it is through setting up the inside and outside double-box structure of each other contactless, including the bottom of box and outer box all sets up damping device, keeps apart the vibration that comes from external world and ground, effectively eliminates low-frequency noise to satisfy the noise requirement of acoustic performance test.
In order to achieve the above purpose, the utility model provides a following technical scheme: a sound insulation box with a shock absorption structure comprises a sound insulation outer box, a sound insulation inner box, a first shock absorption device and a second shock absorption device; the sound insulation outer box comprises an outer box body and an outer box door, the outer box door is hinged with the outer box body, the outer box door and the outer box body can form a closed cavity, and the first damping devices are supported below the outer box body; the sound insulation inner box is positioned in the sound insulation outer box, and a gap is formed between the sound insulation inner box and the sound insulation outer box; the sound insulation inner box comprises an inner box body and an inner box door, wherein the inner box door is hinged with the inner box body, and the inner box door and the inner box body can form a closed cavity; and the plurality of second damping devices are fixed on the bottom surface of the inner box body and supported on the outer box body.
The first damping device is an air cushion damper which comprises a first main body and a first support; an air cavity is arranged in the first main body, a first support is inserted into the air cavity from the top of the air cavity and is in sealing connection with the first main body, the first support can vertically slide relative to the first main body, and the first support is supported below the outer box body.
The second damping device comprises at least one of an air cushion damper, a rubber pad and a hydraulic damper.
The utility model discloses further set up to: the first support is a first rubber support.
The utility model discloses further set up to: the air cushion shock absorber further comprises a rubber bottom pad, and the rubber bottom pad is fixed to the bottom surface of the first main body.
The utility model discloses further set up to: the first damping device can also be a rubber pad.
The utility model discloses further set up to: the rubber pad includes first roof, first bottom plate and rubber support column, first roof and first bottom plate respectively with the both ends face fixed connection of rubber support column, first roof supports outside box below.
The utility model discloses further set up to: the first damping means may also be a hydraulic damper. The hydraulic shock absorber comprises a second main body and a second support, wherein a liquid cavity is formed in the second main body, the second support is inserted into the liquid cavity from the top of the liquid cavity and is in sealing connection with the second main body, the second support can vertically slide relative to the first main body, and the second support is supported below the outer box body.
The utility model discloses further set up to: the hydraulic shock absorber further comprises a second top plate, a second bottom plate, a guide sleeve and a guide shaft, the second top plate is fixedly connected with the top surface of a second support, the second bottom plate is fixedly connected with the bottom surface of a second main body, and the second top plate is supported below the outer box body; the guide sleeves are multiple, each guide sleeve is sleeved with a guide shaft, and the guide shafts can vertically slide relative to the guide sleeves; all the guide sleeves are distributed around the second main body and fixedly connected with the second bottom plate, and all the guide shafts are fixedly connected with the second top plate.
The utility model discloses further set up to: the second bottom plate is a second rubber bottom plate.
The utility model discloses further set up to: still include the base, the base bottom surface is greater than the outer container bottom surface that gives sound insulation, and outer container fixed connection is at the base top surface, all first damping device all with base bottom surface fixed connection.
The utility model discloses further set up to: the box body structure further comprises a rigid support column, and the rigid support column is fixedly connected with the bottom surface of the inner box body.
To sum up, the utility model discloses compare and have following beneficial effect in prior art: the utility model discloses a set up inside and outside double box structure of each other contactless, including the bottom of box and outer box all set up damping device, keep apart the vibration that comes from external world and ground, effectively eliminate low frequency noise to satisfy the noise requirement of acoustic performance test.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic view showing the structure of the soundproof inner case of embodiment 1;
FIG. 3 is a schematic view showing the structure of an air cushion damper in embodiment 1;
FIG. 4 is a schematic structural view of a rubber mat in example 2;
fig. 5 is a schematic structural view of a hydraulic shock absorber according to embodiment 3.
In the figure: 1. a sound insulation outer box; 11. an outer case; 12. an outer box door; 2. a sound insulation inner box; 21. an inner box body; 22. an inner box door; 3. a first damping device; 4. a second damping device; 5. a rigid support column; 6. a base; 7. an air cushion shock absorber; 71. a first body; 72. a first support; 73. a rubber base pad; 8. a rubber pad; 81. a first base plate; 82. a first top plate; 83. a rubber support column; 9. a hydraulic shock absorber; 91. a second top plate; 92. a second base plate; 93. a guide sleeve; 94. a second body; 95. a guide shaft.
Detailed Description
The technical solution of the present invention will be described clearly with reference to the accompanying drawings, and it is obvious that the described embodiments are not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the terms "center", "upper", "lower", "horizontal", "left", "right", "front", "rear", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-2, a soundproof box with a shock-absorbing structure, which is a basic structure of embodiment 1 of the present invention, comprises a soundproof outer box 1, a soundproof inner box 2, a plurality of first shock-absorbing devices 3 and a plurality of second shock-absorbing devices 4; the sound insulation outer box 1 comprises an outer box body 11 and an outer box door 12, the outer box door 12 is hinged with the outer box body 11, the outer box door and the outer box body 11 can form a closed cavity, and all the first damping devices 3 are supported below the outer box body 11; the inner sound insulation box 2 is positioned in the outer sound insulation box 1 and is spaced from the outer sound insulation box 1; the sound insulation inner box 2 comprises an inner box body 21 and an inner box door 22, the inner box door 22 is hinged with the inner box body 21, and the inner box door 22 and the inner box body 21 can form a closed cavity; all the second damper 4 is fixed to the bottom surface of the inner case 21 and supported on the outer case 11. In this embodiment, the soundproof inner box 2 is not in direct contact with the soundproof outer box 1, but is in indirect contact only through the second damper 4. In addition to the sound insulation effect of the sound insulation inner box 2 and the sound insulation outer box 1, the air existing between the sound insulation inner box 2 and the sound insulation outer box 1 can also play a role in isolating the external vibration and noise. And the first damping device 3 and the second damping device 4 can perform damping treatment twice on vibration from the ground in addition to supporting the outer sound insulation box 1 and the inner sound insulation box 2. Therefore, the embodiment can effectively eliminate low-frequency noise so as to meet the noise requirement of the acoustic performance test.
In this embodiment, the inner case 21 and the outer case 11 are both square cases. When the inner sound insulation box 2 and the outer sound insulation box 1 are both in a closed state, the distances from the surfaces of the inner sound insulation box 2 to the corresponding surfaces of the outer sound insulation box 1 are the same.
Specifically, a first damping device 3 is arranged below each corner of the bottom surface of the outer box 11, and four first damping devices 3 are arranged. The first damping device 3 is at least one of an air cushion damper 7, a rubber pad 8 and a hydraulic damper 9, and in this embodiment, the first damping device 3 is the air cushion damper 7.
Specifically, each corner of the bottom surface of the inner box 21 is fixed with one second damping device 4, and four second damping devices 4 are arranged. The second damping device 4 is at least one of an air cushion damper 7, a rubber pad 8 and a hydraulic damper 9, and in this embodiment, the second damping device 4 is the air cushion damper 7.
This embodiment still includes base 6, and base 6 is flat cuboid, and its bottom surface is greater than 1 bottom surfaces of outer container that gives sound insulation, and outer container 11 fixed connection is at 6 top surfaces of base, first damping device 3 of the equal fixed connection in every angle of 6 bottom surfaces of base. The base 6 enlarges the stressed area of the ground so that the ground can better provide supporting force for the outer box body 11.
Specifically, the base 6 may be a hollow cuboid, which is lighter in weight than a solid structure.
As shown in fig. 3, the same air cushion damper 7 is used for both the first damping device 3 and the second damping device 4 in the present embodiment. The air cushion shock absorber 7 includes a first body 71 and a first support 72; an air cavity is arranged in the first main body 71, a first support 72 is inserted into the air cavity from the top of the air cavity and is hermetically connected with the first main body 71, and the air cavity is filled with air; the first support 72 can slide vertically relative to the first main body 71, and the first support 72 is fixedly connected with the bottom surface of the base 6. The air cushion shock absorber 7 flexibly supports the base 6 through air in the air cavity.
Specifically, the first support 72 is a first rubber support, so as to improve the damping effect of the air cushion damper 7.
Specifically, the air cushion shock absorber 7 further includes a rubber bottom pad 73, the rubber bottom pad 73 is fixed on the bottom surface of the first main body 71, and the rubber bottom pad 73 is supported on the ground, so as to further improve the shock absorption effect of the air cushion shock absorber 7.
In conclusion, this embodiment all sets up damping device through setting up the inside and outside double box structure of mutual contactless, at the bottom of inner box 21 and outer box 11, keeps apart the vibration that comes from external world and ground, effectively eliminates low frequency noise to satisfy acoustic performance test's noise requirement.
Example 2
The difference between this embodiment and embodiment 1 is that this embodiment further includes one rigid support column 5, and in this embodiment, one rigid support column 5 is provided, and is fixed on the bottom surface of the inner box 21 and located near the position where the inner box door 22 is hinged to the inner box 21, so that the cost is low.
Specifically, according to the load bearing of the floor in the using position and the load bearing of the outer box body 11 in the unit area, the rigid support columns 5 can be additionally arranged on the bottom surface of the outer box body 11 and the bottom surface of the inner box body 21 so as to increase the stress area.
The first damping device 3 in this embodiment is a rubber pad 8. As shown in fig. 4, in the rubber pad 8 of the present embodiment, the rubber pad 8 includes a first top plate 82, a first bottom plate 81 and a rubber support column 83, and the first top plate 82 and the first bottom plate 81 are respectively fixedly connected to two end surfaces of the rubber support column 83. The first top plate 82 is fixedly connected with the bottom surface of the base 6, the first bottom plate 81 is supported on the ground, and the base 6 is flexibly supported by means of elastic deformation of the rubber support columns 83.
Example 3
The present embodiment is different from embodiment 1 in that the first damper device 3 is a hydraulic damper 9, and the second damper device 4 is a rubber pad 8.
As shown in fig. 5, the hydraulic shock absorber 9 includes a second body 94 and a second support, and a liquid chamber is provided in the second body 94, and the liquid chamber is filled with liquid. The second support is inserted into the liquid chamber from the top thereof and sealingly connected to the second body 94, which is vertically slidable with respect to the first body 71.
The hydraulic damper 9 further comprises a second top plate 91, a second bottom plate 92, a guide sleeve 93 and a guide shaft 95, the second top plate 91 is fixedly connected with the top surface of a second support, the second bottom plate 92 is fixedly connected with the bottom surface of a second main body 94, and the second top plate 91 is supported below the outer box body 11; a plurality of guide sleeves 93 are arranged, each guide sleeve 93 is sleeved with a guide shaft 95, and the guide shafts 95 can vertically slide relative to the guide sleeves 93; all guide sleeves 93 are distributed around the second body 94 and fixedly connected with the second bottom plate 92, and all guide shafts 95 are fixedly connected with the second top plate 91. The second top plate 91 is fixedly connected with the bottom surface of the base 6, the second bottom plate 92 is supported on the ground, and the hydraulic shock absorber 9 flexibly supports the base 6 through liquid in the liquid cavity. In this embodiment, four guide sleeves 93 are provided, and four guide shafts 95 are provided corresponding to the guide sleeves 93.
Specifically, the second bottom plate 92 is a second rubber bottom plate to improve the damping effect of the hydraulic damper 9.
Example 4
The present embodiment is different from embodiment 1 in that the second damper device 4 is a hydraulic damper 9.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a sound insulation box with shock-absorbing structure which characterized in that: comprises a sound insulation outer box (1), a sound insulation inner box (2), a first damping device (3) and a second damping device (4); the sound insulation outer box (1) comprises an outer box body (11) and an outer box door (12), the outer box door (12) is hinged with the outer box body (11) and can form a closed cavity, and the first damping devices (3) are supported below the outer box body (11); the sound insulation inner box (2) is positioned in the sound insulation outer box (1) and is spaced from the sound insulation outer box (1); the sound insulation inner box (2) comprises an inner box body (21) and an inner box door (22), the inner box door (22) is hinged with the inner box body (21), and the inner box door and the inner box body can form a closed cavity; a plurality of second damping devices (4) are fixed on the bottom surface of the inner box body (21) and supported on the outer box body (11);
the first damping device (3) is an air cushion damper (7), and the air cushion damper (7) comprises a first main body (71) and a first support (72); an air cavity is arranged in the first main body (71), a first support (72) is inserted into the air cavity from the top of the air cavity and is connected with the first main body (71) in a sealing mode, the first support (72) can vertically slide relative to the first main body (71), and the first support (72) is supported below the outer box body (11);
the second damping device (4) comprises at least one of an air cushion damper (7), a rubber pad (8) and a hydraulic damper (9).
2. The soundproof case with shock-absorbing structure according to claim 1, wherein: the first support (72) is a first rubber support.
3. An acoustical insulation box having a shock-absorbing structure as set forth in claim 1, wherein: the air cushion shock absorber (7) further comprises a rubber bottom pad (73), and the rubber bottom pad (73) is fixed to the bottom surface of the first main body (71).
4. An acoustical insulation box having a shock-absorbing structure as set forth in any one of claims 1 to 3, wherein: still include base (6), base (6) bottom surface is greater than sound insulation outer container (1) bottom surface, and outer box (11) fixed connection is at base (6) top surface, and all first damping device (3) all with base (6) bottom surface fixed connection.
5. An acoustical isolation box having a shock-absorbing structure as set forth in any one of claims 1 to 3, wherein: the box body is characterized by further comprising a rigid supporting column (5), wherein the rigid supporting column (5) is fixedly connected with the bottom surface of the inner box body (21).
6. The utility model provides a sound-proof box with shock-absorbing structure which characterized in that: comprises a sound insulation outer box (1), a sound insulation inner box (2), a first damping device (3) and a second damping device (4); the sound insulation outer box (1) comprises an outer box body (11) and an outer box door (12), the outer box door (12) is hinged with the outer box body (11) and can form a closed cavity, and the first damping devices (3) are supported below the outer box body (11); the sound insulation inner box (2) is positioned in the sound insulation outer box (1) and is spaced from the sound insulation outer box (1); the sound insulation inner box (2) comprises an inner box body (21) and an inner box door (22), the inner box door (22) is hinged with the inner box body (21), and the inner box door and the inner box body can form a closed cavity; a plurality of second damping devices (4) are fixed on the bottom surface of the inner box body (21) and supported on the outer box body (11);
the first damping device (3) is a rubber pad (8);
the second damping device (4) comprises at least one of an air cushion damper (7), a rubber pad (8) and a hydraulic damper (9).
7. An acoustic cabinet having a shock-absorbing structure according to claim 6, wherein: the rubber pad (8) comprises a first top plate (82), a first bottom plate (81) and a rubber supporting column (83), the first top plate (82) and the first bottom plate (81) are fixedly connected with two end faces of the rubber supporting column (83) respectively, and the first top plate (82) is supported below the outer box body (11).
8. The utility model provides a sound-proof box with shock-absorbing structure which characterized in that: comprises a sound insulation outer box (1), a sound insulation inner box (2), a first damping device (3) and a second damping device (4); the sound insulation outer box (1) comprises an outer box body (11) and an outer box door (12), the outer box door (12) is hinged with the outer box body (11) and can form a closed cavity, and the first damping devices (3) are supported below the outer box body (11); the inner sound insulation box (2) is positioned in the outer sound insulation box (1) and is spaced from the outer sound insulation box (1); the sound insulation inner box (2) comprises an inner box body (21) and an inner box door (22), the inner box door (22) is hinged with the inner box body (21), and the inner box door and the inner box body can form a closed cavity; a plurality of second damping devices (4) are fixed on the bottom surface of the inner box body (21) and supported on the outer box body (11);
the first damping device (3) is a hydraulic damper (9), the hydraulic damper (9) comprises a second main body (94) and a second support, a liquid cavity is arranged in the second main body (94), the second support is inserted into the liquid cavity from the top of the liquid cavity and is in sealing connection with the second main body (94), the second support can vertically slide relative to the first main body (71), and the second support is supported below the outer box body (11);
the second damping device (4) comprises at least one of an air cushion damper (7), a rubber pad (8) and a hydraulic damper (9).
9. An acoustic isolation box having a shock-absorbing structure according to claim 8, wherein: the hydraulic shock absorber (9) further comprises a second top plate (91), a second bottom plate (92), a guide sleeve (93) and a guide shaft (95), the second top plate (91) is fixedly connected with the top surface of a second support, the second bottom plate (92) is fixedly connected with the bottom surface of a second main body (94), and the second top plate (91) is supported below the outer box body (11); the guide sleeves (93) are arranged in a plurality, each guide sleeve (93) is sleeved with a guide shaft (95), and the guide shafts (95) can vertically slide relative to the guide sleeves (93); all guide sleeves (93) are distributed around the second body (94) and are fixedly connected with the second bottom plate (92), and all guide shafts (95) are fixedly connected with the second top plate (91).
10. An acoustic isolation box having a shock-absorbing structure according to claim 9, wherein: the second base plate (92) is a second rubber base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221974196.0U CN217842503U (en) | 2022-07-28 | 2022-07-28 | Sound insulation box with damping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221974196.0U CN217842503U (en) | 2022-07-28 | 2022-07-28 | Sound insulation box with damping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842503U true CN217842503U (en) | 2022-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221974196.0U Active CN217842503U (en) | 2022-07-28 | 2022-07-28 | Sound insulation box with damping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842503U (en) |
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2022
- 2022-07-28 CN CN202221974196.0U patent/CN217842503U/en active Active
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