CN211821268U - Silencer convenient to connect - Google Patents
Silencer convenient to connect Download PDFInfo
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- CN211821268U CN211821268U CN202020053998.2U CN202020053998U CN211821268U CN 211821268 U CN211821268 U CN 211821268U CN 202020053998 U CN202020053998 U CN 202020053998U CN 211821268 U CN211821268 U CN 211821268U
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Abstract
The utility model discloses a silencer convenient to connect, including connecting portion, casing, first cavity and deflector, the inside of casing lateral wall is provided with the enhancement layer, and the both sides align to grid of enhancement layer has the rigid spring housing, the even coating in the outside of casing has the paint layer, and the both ends of casing all are fixed with connecting portion, the one end that the casing was kept away from to connecting portion all is fixed with the hickey, and the inside one end of casing is provided with the second cavity, the both sides of second cavity all are fixed with the fixed plate, and form first cavity between fixed plate and the shells inner wall, the inside of first cavity evenly is provided with inhales the sound pearl cotton, the inside of third cavity has set gradually porous expansion pearl rock stratum, trompil type foamed plastic layer and porous asbestos cement sheet layer. The utility model discloses an install the casing, the both ends of casing all are fixed with connecting portion, and the one end of connecting portion all is provided with the hickey, is convenient for carry out fixed connection through threaded connection's mode and relevant part.
Description
Technical Field
The utility model relates to a silencer technical field specifically is a silencer convenient to connect.
Background
The silencer is an air flow pipeline with noise transmission, and can use a pipeline and an elbow with a sound absorption lining or noise reduction devices such as a pipeline with suddenly changed sectional area and other pipelines with discontinuous acoustic impedances to attenuate or reflect noise in the pipeline;
1. most of the existing silencers are inconvenient for fixed connection, are easy to generate gaps, are not enough in connection tightness, are easy to leak and influence use;
2. the existing silencer has a single silencing mode and poor noise reduction effect;
3. the shell of the existing silencer has poor self structural strength and compression resistance effect, and is damaged when being extruded and collided by the outside, so that the service life is short.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a silencer convenient to connect to the connection that proposes in solving above-mentioned background art is inconvenient, produces gap, the poor and easy problem of damaging of amortization noise reduction effect easily.
In order to achieve the above object, the utility model provides a following technical scheme: a silencer convenient for connection comprises a connecting part, a shell, a first cavity and a guide plate, wherein a reinforcing layer is arranged inside the side wall of the shell, rigid spring sleeves are uniformly arranged on two sides of the reinforcing layer, a paint layer is uniformly coated on the outer side of the shell, and both ends of the shell are fixed with connecting parts, one ends of the connecting parts far away from the shell are fixed with threaded interfaces, and one end of the interior of the shell is provided with a second chamber, both sides of the second chamber are fixed with fixing plates, a first cavity is formed between the fixed plate and the inner wall of the shell, sound-absorbing pearl cotton is uniformly arranged in the first cavity, a third cavity is arranged at the other end in the shell, and a partition plate is fixed between the third chamber and the second chamber and between the third chamber and the first chamber, and a porous expanded perlite layer, a perforated foamed plastic layer and a porous asbestos cement plate layer are sequentially arranged in the third chamber.
Preferably, the inside of connecting portion all is provided with the preformed groove, and the inside of preformed groove all is provided with first sealing washer and second sealing washer, first sealing washer and second sealing washer laminate with the outer wall of casing and the inner wall of connecting portion respectively, and first sealing washer and second sealing washer laminate with the outer wall of casing and the inner wall of connecting portion 2 respectively, realize sealedly.
Preferably, the guide plates are uniformly arranged in the second chamber and are distributed in a staggered manner, and the guide plates separate sound energy, so that noise in airflow is primarily weakened.
Preferably, all be provided with the preformed hole on the fixed plate, and the preformed hole is equidistant to be distributed, does benefit to the air current and spreads to first cavity through the preformed hole in.
Preferably, be provided with the third sealing washer between first sealing washer and the second sealing washer, and the both ends of third sealing washer all are connected through reset spring and the inside both sides of reservation groove, under reset spring's effect, can promote first sealing washer and second sealing washer and tightly paste casing and connecting portion inner wall all the time, avoid taking place to leak and influence device result of use.
Preferably, the inside of enhancement layer evenly is provided with the strengthening rib, and the strengthening rib all is "ten" style of calligraphy structure, improves device structural strength.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the silencer convenient for connection is provided with a shell, connecting parts are fixed at two ends of the shell, a threaded connector is arranged at one end of each connecting part and is convenient for fixedly connecting with related parts in a threaded connection mode, a reserved groove is arranged in each connecting part, a first sealing ring, a second sealing ring, a third sealing ring and a return spring are arranged in each reserved groove, the third sealing ring is tightly attached and matched with the inclined surfaces of the first sealing ring and the second sealing ring under the pushing of the return spring, inward pressure is applied to the first sealing ring, the first sealing ring is tightly attached to the shell, the second sealing ring is tightly attached to the inner wall of the connecting part to realize sealing, the sealing performance is improved, in addition, if abrasion occurs after the silencer is used for a long time, gaps are usually generated to influence the sealing performance, but under the action of the return spring, the first sealing ring and the second sealing ring can be pushed to, make first sealing washer and second sealing washer tightly paste casing and connecting portion inner wall all the time, avoid taking place to leak and influence device result of use.
(2) The silencer convenient to connect is provided with a first cavity, sound-absorbing pearl wool, a second cavity, a fixed plate, a reserved hole, a guide plate, a partition plate and a third cavity, so that gas firstly enters the second cavity when entering, the guide plate separates sound energy, the noise in the gas flow is preliminarily weakened, meanwhile, the gas flow diffuses towards the first cavity through the reserved hole on the fixed plate, the sound-absorbing pearl wool is uniformly arranged on the inner wall of the first cavity, the sound-absorbing pearl wool has a multi-fiber structure, sound waves are reflected by countless fibers when passing through, are mutually superposed and collided, so that the sound wave energy is converted into heat energy, the sound wave intensity is weakened or even disappears, then the gas flow enters the third cavity through a through hole on the partition plate, a porous expanded pearl rock stratum, a porous foam plastic layer and a porous asbestos cement layer are sequentially arranged in the third cavity, and the silencer has sound-absorbing and, the multiple mode amortization improves the syllable-dividing effect of device.
(3) This silencer convenient to connect is provided with the enhancement layer through the inside at the casing lateral wall, the inside of enhancement layer evenly is provided with the strengthening rib of "ten" style of calligraphy, be convenient for improve the structural strength of casing self, make it be difficult to the fracture damage, there is the rigidity spring housing in the both sides align to grid of enhancement layer simultaneously, be convenient for increase the compressive property of casing, be difficult to damage when receiving external extrusion collision, in addition the even coating of outer wall at the casing has the paint layer, play waterproof rust-resistant effect to the casing outside, extension fixture's life.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is an enlarged cross-sectional view of the utility model at a in fig. 1;
fig. 3 is an enlarged cross-sectional view of the utility model at the point B in fig. 1;
fig. 4 is a schematic view of the sectional structure of the side wall of the housing according to the present invention.
In the figure: 1. a threaded interface; 2. a connecting portion; 3. reserving a groove; 4. a housing; 5. sound-absorbing pearl wool; 6. a first chamber; 7. a porous expanded perlite layer; 8. a porous asbestos cement slab layer; 9. an open-cell foam plastic layer; 10. a third chamber; 11. a partition plate; 12. a second chamber; 13. a fixing plate; 14. a return spring; 15. a second seal ring; 16. a third seal ring; 17. a first seal ring; 18. a guide plate; 19. reserving a hole; 20. a paint layer; 21. a rigid spring housing; 22. a reinforcing layer; 23. and (5) reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a silencer convenient to connect comprises a connecting part 2, a shell 4, a first cavity 6 and a guide plate 18, wherein a reinforcing layer 22 is arranged inside the side wall of the shell 4, reinforcing ribs 23 are uniformly arranged inside the reinforcing layer 22, the reinforcing ribs 23 are in a cross-shaped structure, rigid spring sleeves 21 are uniformly arranged on two sides of the reinforcing layer 22, and a paint layer 20 is uniformly coated on the outer side of the shell 4;
the structural strength and the compression resistance of the device are improved, the device is not easy to damage when being extruded and collided by the outside, the paint layer 20 plays a role in preventing water and rust on the outside of the shell 4, and the service life of the device is prolonged;
the connecting parts 2 are fixed at two ends of the shell 4, the reserved grooves 3 are formed in the connecting parts 2, the first sealing rings 17 and the second sealing rings 15 are arranged in the reserved grooves 3, the first sealing rings 17 and the second sealing rings 15 are respectively attached to the outer wall of the shell 4 and the inner wall of the connecting parts 2, the third sealing rings 16 are arranged between the first sealing rings 17 and the second sealing rings 15, and two ends of each third sealing ring 16 are connected with two sides of the inside of each reserved groove 3 through the reset springs 14;
the third sealing ring 16 is pushed by the return spring 14 to be in close fit with the inclined surfaces of the first sealing ring 17 and the second sealing ring 15, and applies inward pressure to the first sealing ring 17, so that the first sealing ring 17 is tightly attached to the shell 4, and the second sealing ring 15 is also tightly attached to the inner wall of the connecting part 2, thereby realizing sealing and improving the sealing property;
if the device is worn after long-time use, a gap is generated, and the first sealing ring 17 and the second sealing ring 15 can be pushed to compensate under the action of the reset spring 14, so that the first sealing ring 17 and the second sealing ring 15 are always tightly attached to the inner walls of the shell 4 and the connecting part 2, and the influence of leakage on the use effect of the device is avoided;
the end, far away from the shell 4, of the connecting part 2 is fixedly provided with a threaded connector 1, one end inside the shell 4 is provided with a second cavity 12, guide plates 18 are uniformly arranged inside the second cavity 12, the guide plates 18 are distributed in a staggered manner, fixing plates 13 are fixed on two sides of the second cavity 12, a first cavity 6 is formed between the fixing plates 13 and the inner wall of the shell 4, sound-absorbing pearl cotton 5 is uniformly arranged inside the first cavity 6, the fixing plates 13 are provided with reserved holes 19, and the reserved holes 19 are distributed at equal intervals;
when gas enters the second chamber 12, the guide plate 18 separates sound energy, noise in the gas flow is weakened primarily, meanwhile, the gas flow is diffused to the first chamber 6 through the preformed hole 19 on the fixing plate 13, sound-absorbing pearl cotton 5 is uniformly arranged on the inner wall of the first chamber 6, the sound-absorbing pearl cotton 5 has a multi-fiber structure, and sound waves are reflected by countless fibers, overlapped and collided with each other when passing through the sound waves, so that sound wave energy is converted into heat energy, and the intensity of the sound waves is weakened or even disappears;
the other end of the interior of the shell 4 is provided with a third chamber 10, a partition plate 11 is fixed between the third chamber 10 and the first chamber 6 as well as between the second chamber 12, and the third chamber 10 is sequentially provided with a porous expanded perlite layer 7, an open-cell foam plastic layer 9 and a porous asbestos cement board layer 8.
The working principle is as follows: when the device is used, firstly, the threaded connectors 1 at two ends of the shell 4 are respectively fixedly connected with the airflow inlet and the airflow outlet in a threaded connection mode, the inside of the connecting part 2 is provided with the preformed groove 3, the preformed groove 3 is internally provided with the first sealing ring 17, the second sealing ring 15, the third sealing ring 16 and the return spring 14, the third sealing ring 16 is tightly matched with the inclined planes of the first sealing ring 17 and the second sealing ring 15 under the pushing of the return spring 14, the inward pressure is applied to the first sealing ring 17, so that the first sealing ring 17 is tightly attached to the shell 4, the second sealing ring 15 is also tightly attached to the inner wall of the connecting part 2, the sealing is realized, the sealing performance is improved, if the device is worn after being used for a long time, a gap is generated, under the action of the return spring 14, the first sealing ring 17 and the second sealing ring 15 can be pushed to compensate, so that the first sealing ring 17 and the second sealing ring 15 are tightly, the device using effect is prevented from being influenced by leakage, when gas enters the device, the gas firstly enters the second cavity 12, the guide plate 18 separates sound energy, noise in the gas flow is weakened preliminarily, meanwhile, the gas flow diffuses towards the first cavity 6 through the preformed holes 19 on the fixing plate 13, the inner wall of the first cavity 6 is uniformly provided with sound-absorbing pearl wool 5, the sound-absorbing pearl wool 5 has a multi-fiber structure, when sound waves pass through the device, the sound waves are reflected by countless fibers, overlapped and collided with each other, so that sound wave energy is converted into heat energy, further, the sound wave intensity is weakened or even disappears, then, the gas flow enters the third cavity 10 through the through holes on the partition plate 11, the porous expanded pearl rock stratum 7, the open-cell foam plastic layer 9 and the porous asbestos cement plate layer 8 are sequentially arranged in the third cavity 10, the device using effect of sound absorption and noise reduction is, be provided with enhancement layer 22 in the inside of 4 lateral walls of casing, the inside of enhancement layer 22 evenly is provided with the strengthening rib 23 of "ten" style of calligraphy, be convenient for improve the structural strength of casing 4 self, make it be difficult to the fracture damage, there is rigid spring cover 21 in the both sides align to grid of enhancement layer 22 simultaneously, be convenient for increase casing 4's compressive property, be difficult to damage when receiving external extrusion collision, in addition there is paint layer 20 in the even coating of outer wall of casing 4, play waterproof rust-resistant effect to casing 4 outside, extension fixture's life.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A silencer convenient to connect, includes connecting portion (2), casing (4), first cavity (6) and deflector (18), its characterized in that: the novel sound-absorbing shell is characterized in that a reinforcing layer (22) is arranged inside the side wall of the shell (4), rigid spring sleeves (21) are uniformly arranged on two sides of the reinforcing layer (22), a paint layer (20) is uniformly coated on the outer side of the shell (4), connecting parts (2) are fixed at two ends of the shell (4), a threaded connector (1) is fixed at one end, away from the shell (4), of each connecting part (2), a second cavity (12) is arranged at one end inside the shell (4), fixing plates (13) are fixed at two sides of each second cavity (12), a first cavity (6) is formed between each fixing plate (13) and the inner wall of the shell (4), sound-absorbing pearl cotton (5) is uniformly arranged inside the first cavity (6), a third cavity (10) is arranged at the other end inside the shell (4), and a partition plate (11) is fixed between each third cavity (10) and the second cavity (12) and the first cavity (6), and a porous expanded perlite layer (7), an open-cell foam plastic layer (9) and a porous asbestos cement plate layer (8) are sequentially arranged in the third chamber (10).
2. A muffler for facilitating connection according to claim 1, wherein: the inside of connecting portion (2) all is provided with preformed groove (3), and the inside of preformed groove (3) all is provided with first sealing washer (17) and second sealing washer (15), first sealing washer (17) and second sealing washer (15) laminate with the outer wall of casing (4) and the inner wall of connecting portion (2) respectively.
3. A muffler for facilitating connection according to claim 1, wherein: the guide plates (18) are uniformly arranged in the second chamber (12), and the guide plates (18) are distributed in a staggered manner.
4. A muffler for facilitating connection according to claim 1, wherein: the fixed plate (13) is provided with preformed holes (19), and the preformed holes (19) are distributed at equal intervals.
5. A muffler for facilitating connection according to claim 2, wherein: and a third sealing ring (16) is arranged between the first sealing ring (17) and the second sealing ring (15), and two ends of the third sealing ring (16) are connected with two sides inside the preformed groove (3) through a return spring (14).
6. A muffler for facilitating connection according to claim 1, wherein: reinforcing ribs (23) are uniformly arranged inside the reinforcing layer (22), and the reinforcing ribs (23) are of a cross-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020053998.2U CN211821268U (en) | 2020-01-11 | 2020-01-11 | Silencer convenient to connect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020053998.2U CN211821268U (en) | 2020-01-11 | 2020-01-11 | Silencer convenient to connect |
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| Publication Number | Publication Date |
|---|---|
| CN211821268U true CN211821268U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020053998.2U Active CN211821268U (en) | 2020-01-11 | 2020-01-11 | Silencer convenient to connect |
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| Country | Link |
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| CN (1) | CN211821268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984265A (en) * | 2021-03-16 | 2021-06-18 | 南京曼式声学技术有限公司 | Sectional type resistive ventilation silencer and assembly method thereof |
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2020
- 2020-01-11 CN CN202020053998.2U patent/CN211821268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984265A (en) * | 2021-03-16 | 2021-06-18 | 南京曼式声学技术有限公司 | Sectional type resistive ventilation silencer and assembly method thereof |
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