CN217767818U - Sound insulation cover with good noise reduction effect - Google Patents
Sound insulation cover with good noise reduction effect Download PDFInfo
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- CN217767818U CN217767818U CN202221589486.3U CN202221589486U CN217767818U CN 217767818 U CN217767818 U CN 217767818U CN 202221589486 U CN202221589486 U CN 202221589486U CN 217767818 U CN217767818 U CN 217767818U
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Abstract
The utility model discloses a sound insulation cover with good noise reduction effect, relating to the technical field of sound insulation covers, comprising a sound insulation housing, wherein the outer surface of the upper end of the sound insulation housing is provided with a lifting ring, one end of the lifting ring is provided with a sound outlet pipe, and the other end of the lifting ring is provided with a sound inlet pipe; a sealing bottom cover is arranged on the outer surface of the lower end of the sound insulation housing, a silica gel sleeve is arranged on the outer wall of the sound insulation housing, an inner housing cover is arranged on the inner wall of the sound insulation housing, and two groups of splicing bolts are symmetrically arranged between the sound insulation housing and the inner housing cover; the inner wall of inner housing cover is provided with inhales the sound cotton, the lower extreme surface of sound inlet pipe is provided with the screwed pipe, the lower extreme surface of screwed pipe is provided with and gathers the sound shell. The utility model discloses a sound insulation cover that noise reduction effect is good, sound inlet pipe, sound gathering shell and scattered sound shell are convenient for flow into the noise inside the inner shell cover and are cushioned, and sound gathering cover and circulation through hole are convenient for further eliminate the noise that does not absorb.
Description
Technical Field
The utility model relates to an acoustic shield technical field, in particular to acoustic shield that noise reduction effect is good.
Background
The sound insulation cover is a noise reduction device which can prevent the noise of sound source machine equipment from being transmitted outside so as to reduce the noise below the specified allowable sound level, the outer layer is usually made of steel plates, damping layers such as damping paint, asphalt and the like are coated inside the sound insulation cover, the purpose is to prevent the anastomosis effect and the low-frequency resonance of the steel plates, and in order to improve the noise reduction effect, a layer of sound absorption material is paved on the inner layer.
When the existing sound insulation cover is installed and used, sound is absorbed through sound absorption cotton mostly to reduce noise, the structure is simple, the noise reduction effect is poor, certain adverse effect is brought to the using process of people, and in order to solve the defects of the prior art, the sound insulation cover with the good noise reduction effect is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a noise reduction effect is good, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sound insulation cover with good noise reduction effect comprises a sound insulation housing, wherein the outer surface of the upper end of the sound insulation housing is provided with a lifting ring, one end of the lifting ring is provided with a sound outlet pipe, and the other end of the lifting ring is provided with a sound inlet pipe;
a sealing bottom cover is arranged on the outer surface of the lower end of the sound insulation housing, a silica gel sleeve is arranged on the outer wall of the sound insulation housing, an inner housing cover is arranged on the inner wall of the sound insulation housing, and two groups of splicing bolts are symmetrically arranged between the sound insulation housing and the inner housing cover;
the inner wall of inner housing cover is provided with inhales the sound cotton, the lower extreme surface of advancing the sound pipe is provided with the screwed pipe, the lower extreme surface of screwed pipe is provided with gathers the sound shell, the lower extreme surface of gathering the sound shell is provided with the scattered sound shell.
Preferably, the tip of splicing bolt is provided with the hollow lantern ring, be provided with the concatenation nut between hollow lantern ring and the inner shell cover, the both sides surface symmetry of inner shell cover is provided with two sets of screw holes, the concatenation nut is located the inner wall of screw hole, and is two sets of be provided with circulation through-hole between the screw hole, the lower extreme surface of sound outlet pipe is provided with the butt joint pipe, the lower extreme surface of butt joint pipe is provided with the sound cover that gathers.
Preferably, be provided with connecting thread between splicing bolt and the splicing nut, splicing bolt's lower extreme surface can be dismantled through connecting thread and splicing nut's upper end surface and be connected.
Preferably, it is provided with the connection glue to inhale between sound cotton and the inner shell cover, inhale the outer wall of sound cotton and can dismantle with the inner wall of inner shell cover through connecting glue and be connected.
Preferably, a thread groove is formed between the thread pipe and the sound inlet pipe, and the outer surface of the upper end of the thread pipe is detachably connected with the outer surface of the lower end of the sound inlet pipe through the thread groove.
Preferably, a clamping piece is arranged between the inner housing and the sound insulation housing, and the outer wall of the inner housing is detachably connected with the inner wall of the sound insulation housing through the clamping piece.
Advantageous effects
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses in, through the sound inlet pipe that sets up, gather sound shell and scattered sound shell, be convenient for flow in the noise inside the inner shell cover and cushion, here will advance the sound pipe and be in the same place with the noise exit linkage, the noise enters into along advancing sound pipe and screwed pipe and gathers between sound shell and the scattered sound shell, the opening that gathers the sound shell is greater than the opening of scattered sound shell, mainly be used for the noise gathering the inside diffusion of sound shell, gather simultaneously at the opening part of scattered sound shell and flow, let in the inside of inner shell cover, the bottom of inner shell cover is detained to sealed bottom cap, the noise then can be in the inside flow of inner shell cover, the absorption that the sound cotton of setting is used for the noise, reach preliminary noise reduction effect, for the convenience is in the same place inner shell cover and sound insulation cover shell concatenation, here install the concatenation bolt on the outer wall of sound insulation housing, the concatenation nut is installed on the inner wall of inner shell cover, the ring of the broad of the bottom of concatenation nut pastes on the inner shell cover inner wall, then the concatenation nut is connected at the inner wall of hollow lantern ring, the sound insulation frame has just, the inner shell cover is in the sound insulation, simultaneously, make things convenient for the noise elimination gap.
2. The utility model discloses in, gather sound cover and circulation through-hole through setting up, be convenient for further eliminate unabsorbed noise, here including the shell inner wall unabsorbed noise flow in the gap department between sound insulation housing and the inner shell cover through circulation through-hole, and flow in gap department, reach noise reduction effect through flowing, and simultaneously, gather sound cover and circulation through-hole position and stagger, few part of noise then enters into the inside to the pipe along gathering sound cover, discharge through circulation through-hole, and like this, only few part of noise is from the inside discharge of sound pipe, thereby reach noise reduction effect, and the structure is easy to assemble.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic structural view of the splicing nut and the splicing bolt of the present invention;
fig. 4 is a schematic view of the connection structure of the threaded pipe and the sound dispersing case of the present invention.
In the figure: 1. a sound insulating enclosure; 2. lifting the ring; 3. a sound outlet pipe; 4. a sound inlet pipe; 5. splicing the bolts; 6. a silica gel sleeve; 7. sealing the bottom cover; 8. an inner housing shell; 9. a sound gathering shell; 10. a diffuse shell; 11. splicing screw caps; 12. a threaded pipe; 13. a circulation through hole; 14. a sound gathering cover; 15. butt-joint pipes; 16. a threaded hole; 17. a hollow collar; 18. and (5) sound absorption cotton.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-4, a sound insulation cover with good noise reduction effect comprises a sound insulation housing 1, wherein the outer surface of the upper end of the sound insulation housing 1 is provided with a lifting ring 2, one end of the lifting ring 2 is provided with a sound outlet pipe 3, and the other end of the lifting ring 2 is provided with a sound inlet pipe 4;
a sealing bottom cover 7 is arranged on the outer surface of the lower end of the sound insulation housing 1, a silica gel sleeve 6 is arranged on the outer wall of the sound insulation housing 1, an inner housing cover 8 is arranged on the inner wall of the sound insulation housing 1, and two groups of splicing bolts 5 are symmetrically arranged between the sound insulation housing 1 and the inner housing cover 8;
the inner wall of the inner shell cover 8 is provided with sound absorption cotton 18, the outer surface of the lower end of the sound inlet pipe 4 is provided with a threaded pipe 12, the outer surface of the lower end of the threaded pipe 12 is provided with a sound gathering shell 9, and the outer surface of the lower end of the sound gathering shell 9 is provided with a sound scattering shell 10.
The tip of splicing bolt 5 is provided with the hollow lantern ring 17, is provided with concatenation nut 11 between hollow lantern ring 17 and the inner shell cover 8, and the both sides surface symmetry of inner shell cover 8 is provided with two sets of screw holes 16, and concatenation nut 11 is located the inner wall of screw hole 16, is provided with circulation through-hole 13 between two sets of screw holes 16, and the lower extreme surface of sound outlet pipe 3 is provided with butt joint pipe 15, and butt joint pipe 15's lower extreme surface is provided with and gathers sound cover 14.
Connecting threads are arranged between the splicing bolt 5 and the splicing nut 11, and the outer surface of the lower end of the splicing bolt 5 is detachably connected with the outer surface of the upper end of the splicing nut 11 through the connecting threads.
The sound-absorbing cotton 18 and the inner housing cover 8 are provided with connecting glue, and the outer wall of the sound-absorbing cotton 18 is detachably connected with the inner wall of the inner housing cover 8 through the connecting glue.
A thread groove is arranged between the thread pipe 12 and the sound inlet pipe 4, and the outer surface of the upper end of the thread pipe 12 is detachably connected with the outer surface of the lower end of the sound inlet pipe 4 through the thread groove.
A clamping piece is arranged between the inner housing cover 8 and the sound insulation housing 1, and the outer wall of the inner housing cover 8 is detachably connected with the inner wall of the sound insulation housing 1 through the clamping piece.
The first embodiment is as follows: the lifting ring 2 is arranged to conveniently lift the sound insulation cover.
The second embodiment is as follows: the silica gel cover 6 is convenient for improve the tight type of being connected of sealed bottom 7 and inner housing cover 8, and the noise abatement is revealed.
It should be noted that the utility model is a sound insulation cover with good noise reduction effect, when in use, the sound inlet pipe 4, the sound gathering shell 9 and the sound scattering shell 10 are arranged, which is convenient for the noise to flow into the inner shell cover 8 for buffering, the sound inlet pipe 4 is connected with the noise outlet, the noise enters between the sound gathering shell 9 and the sound scattering shell 10 along the sound inlet pipe 4 and the screwed pipe 12, the opening of the sound gathering shell 9 is larger than the opening of the sound scattering shell 10, which is mainly used for the noise to diffuse in the sound gathering shell 9, meanwhile, the flow is gathered at the opening of the sound scattering shell 10 and is led into the inner shell cover 8, the sealing bottom cover 7 is buckled at the bottom of the inner shell cover 8, noise can flow in the inner housing cover 8, the arranged sound absorption cotton 18 is used for absorbing noise, and a primary noise reduction effect is achieved, in order to splice the inner housing cover 8 and the sound insulation housing 1 together, the splicing bolt 5 is installed on the outer wall of the sound insulation housing 1, the splicing nut 11 is installed on the inner wall of the inner housing cover 8, the wider ring at the bottom of the splicing nut 11 is attached to the inner wall of the inner housing cover 8, then the splicing nut 11 is connected to the inner wall of the hollow lantern ring 17, the inner housing cover 8 is erected on the inner wall of the sound insulation housing 1, and meanwhile, a gap is reserved between the inner housing cover 8 and the sound insulation housing 1, so that subsequent noise can be eliminated conveniently; gather sound cover 14 and circulation through hole 13 of setting, be convenient for further eliminate unabsorbed noise, here in the gap department between sound insulation housing 1 and the inner shell cover 8 that the unabsorbed noise of inner shell cover 8 inner wall flows in through circulation through hole 13, and flow in gap department, reach noise reduction effect through flowing, and simultaneously, gather sound cover 14 and 13 staggered in circulation through hole position, few part of noise then enters into the inside to the joint pipe 15 along gathering sound cover 14, discharge through circulation through hole 13, and thus, only few part of noise is from the inside discharge of sound pipe 3, thereby reach noise reduction effect, and the structure is easy to assemble.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a noise reduction effect is good gives sound insulation cover, includes sound insulation housing (1), its characterized in that: a lifting ring (2) is arranged on the outer surface of the upper end of the sound insulation housing (1), a sound outlet pipe (3) is arranged at one end of the lifting ring (2), and a sound inlet pipe (4) is arranged at the other end of the lifting ring (2);
a sealing bottom cover (7) is arranged on the outer surface of the lower end of the sound insulation housing (1), a silica gel sleeve (6) is arranged on the outer wall of the sound insulation housing (1), an inner housing cover (8) is arranged on the inner wall of the sound insulation housing (1), and two groups of splicing bolts (5) are symmetrically arranged between the sound insulation housing (1) and the inner housing cover (8);
the inner wall of inner housing cover (8) is provided with inhales sound cotton (18), the lower extreme surface of advancing sound pipe (4) is provided with screwed pipe (12), the lower extreme surface of screwed pipe (12) is provided with and gathers sound shell (9), the lower extreme surface of gathering sound shell (9) is provided with scattered sound shell (10).
2. The sound insulation cover with good noise reduction effect according to claim 1, characterized in that: the tip of splice bolt (5) is provided with the hollow lantern ring (17), be provided with between the hollow lantern ring (17) and inner shell cover (8) concatenation nut (11), the both sides surface symmetry of inner shell cover (8) is provided with two sets of screw holes (16), concatenation nut (11) are located the inner wall of screw hole (16), and are two sets of be provided with circulation through hole (13) between screw hole (16), the lower extreme surface of sound-producing pipe (3) is provided with butt joint pipe (15), the lower extreme surface of butt joint pipe (15) is provided with sound gathering cover (14).
3. The sound insulation cover with good noise reduction effect according to claim 2, characterized in that: be provided with connecting thread between splice bolt (5) and splice nut (11), the lower extreme surface of splice bolt (5) can be dismantled through connecting thread and the upper end surface of splice nut (11) and be connected.
4. The sound insulation cover with good noise reduction effect according to claim 2, characterized in that: inhale and be provided with between sound cotton (18) and inner shell cover (8) and be connected glue, the outer wall of inhaling sound cotton (18) can be dismantled with the inner wall of inner shell cover (8) through connecting glue and be connected.
5. The sound insulation cover with good noise reduction effect according to claim 1, characterized in that: a thread groove is formed between the threaded pipe (12) and the sound inlet pipe (4), and the outer surface of the upper end of the threaded pipe (12) is detachably connected with the outer surface of the lower end of the sound inlet pipe (4) through the thread groove.
6. The sound insulation cover with good noise reduction effect according to claim 1, characterized in that: and a clamping piece is arranged between the inner housing cover (8) and the sound insulation housing (1), and the outer wall of the inner housing cover (8) is detachably connected with the inner wall of the sound insulation housing (1) through the clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221589486.3U CN217767818U (en) | 2022-06-24 | 2022-06-24 | Sound insulation cover with good noise reduction effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221589486.3U CN217767818U (en) | 2022-06-24 | 2022-06-24 | Sound insulation cover with good noise reduction effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217767818U true CN217767818U (en) | 2022-11-08 |
Family
ID=83894338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221589486.3U Active CN217767818U (en) | 2022-06-24 | 2022-06-24 | Sound insulation cover with good noise reduction effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217767818U (en) |
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2022
- 2022-06-24 CN CN202221589486.3U patent/CN217767818U/en active Active
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