CN214579654U - Exhaust silencer - Google Patents
Exhaust silencer Download PDFInfo
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- CN214579654U CN214579654U CN202120405253.2U CN202120405253U CN214579654U CN 214579654 U CN214579654 U CN 214579654U CN 202120405253 U CN202120405253 U CN 202120405253U CN 214579654 U CN214579654 U CN 214579654U
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- elastic component
- pipe
- end cover
- flexible casing
- intake pipe
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Abstract
The utility model discloses an exhaust muffler, including flexible shell, flexible shell's both ends are connected with intake pipe and blast pipe respectively, be provided with cylindric elastic component in the flexible shell, the cladding has first sound cotton of inhaling on the outer wall of cylindric elastic component, the inner chamber of cylindric elastic component is provided with inlet channel, inlet channel's both ends respectively with the intake pipe with the blast pipe is connected. The utility model discloses through first sound cotton and second sound cotton of inhaling, when making heater waste gas and combustion noise loop through intake pipe, admission passage and blast pipe, the noise in airtight space carries out repeated refraction, can furthest satisfy the noise and inhale the contact of sound cotton, consequently reach high efficiency noise cancelling effect; through flexible housing and cylindric elastic component for the exhaust muffler can satisfy 90 degrees and bend, has solved the installation problems such as the space is limited and the gas vent direction can not change.
Description
Technical Field
The utility model relates to a fuel heater exhaust amortization technical field particularly, relates to an exhaust muffler.
Background
Present fuel heater exhaust muffler, what its inside supported the adoption is shaping panel porous structure, silencing material is mingled with between inside braced frame and shell, the shell adopts panel stamping forming technology, constitute the assembly through welding or riveting technology, the manufacturing process of this kind of structure is comparatively complicated and the cost is higher, and inside passageway supports and adopts porous structure, it is limited because of the face area of punching, it is little to lead to air current and noise and the cotton area of contact of amortization, the noise cancelling effect is not good, it is great all to adopt shaping panel structural rigidity inside and outside simultaneously, the crooked degree of difficulty leads to greatly installing the usage space restriction great.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides an exhaust muffler can solve above-mentioned problem.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides an exhaust silencer, includes flexible housing, flexible housing's both ends are connected with intake pipe and blast pipe respectively, be provided with cylindric elastic component in the flexible housing, the cladding has first sound cotton of inhaling on the outer wall of cylindric elastic component, the inner chamber of cylindric elastic component is provided with inlet channel, inlet channel's both ends respectively with the intake pipe with the blast pipe is connected.
Further, the cylindrical elastic member is a spring.
Further, the both ends of flexible shell are provided with air inlet end cover and gas vent end cover respectively, the air inlet end cover with be connected with the solid fixed ring of spring respectively on the inner wall of gas vent end cover, two the solid fixed ring of spring all with the both ends fixed connection of cylindric elastic component.
Furthermore, the air inlet pipe and the exhaust pipe are respectively coated with second sound-absorbing cotton.
Further, the flexible shell is made of corrugated pipes.
Further, the flexible casing is a metal corrugated pipe.
Furthermore, a fixing support is arranged on the outer wall of the flexible shell.
The utility model has the advantages that:
1. the utility model discloses a first sound cotton and the second of inhaling is inhaled the sound cotton for when heater waste gas and combustion noise loop through intake pipe, inlet channel and blast pipe, the noise in airtight space is refracted repeatedly, can furthest satisfy the noise and inhale the cotton contact of sound, consequently reach high efficiency noise cancelling effect.
2. The utility model discloses a flexible casing and cylindric elastic component for the exhaust muffler can satisfy 90 degrees and bend, has solved the limited and gas vent direction installation problem such as can not change in space.
3. The utility model discloses flexible shell and cylindric elastic component that are equipped with are corrugated metal pipe and spring respectively, and its material cost is lower, manufacturing process is simple and shared space is less, but bulk production comes into operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a cross-sectional view of an exhaust muffler according to an embodiment of the present invention.
Fig. 2 is a front view of an exhaust muffler according to an embodiment of the present invention.
In the figure: 1. the sound absorbing device comprises a flexible shell, 11 parts of an air inlet end cover, 12 parts of an air outlet end cover, 2 parts of an air inlet pipe, 3 parts of an air outlet pipe, 4 parts of a cylindrical elastic piece, 5 parts of first sound absorbing cotton and 6 parts of a spring fixing ring.
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 all belong to the protection scope of the present invention.
As shown in fig. 1-2, according to the embodiment of the present invention, an exhaust silencer comprises a flexible housing 1, both ends of the flexible housing 1 are connected with an intake pipe 2 and an exhaust pipe 3 respectively, a cylindrical elastic member 4 is provided in the flexible housing 1, a first sound absorbing cotton 5 is coated on the outer wall of the cylindrical elastic member 4, an inner cavity of the cylindrical elastic member 4 is provided with an air inlet channel, both ends of the air inlet channel are connected with the intake pipe 2 and the exhaust pipe 3 respectively.
In one embodiment of the present invention, the cylindrical elastic member 4 is a spring.
In a specific embodiment of the present invention, the two ends of the flexible housing 1 are respectively provided with an air inlet end cover 11 and an air outlet end cover 12, the air inlet end cover 11 and the inner wall of the air outlet end cover 12 are respectively connected with a spring fixing ring 6, two the spring fixing ring 6 is all fixedly connected with the two ends of the cylindrical elastic member 4.
In a specific embodiment of the present invention, the intake pipe 2 and the exhaust pipe 3 are respectively covered with a second sound-absorbing cotton.
In a specific embodiment of the present invention, the flexible casing 1 is made of corrugated pipe.
In a specific embodiment of the present invention, the flexible casing 1 is a metal bellows.
In a specific embodiment of the present invention, the outer wall of the flexible casing 1 is provided with a fixing bracket.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When specifically using, according to the utility model discloses an exhaust silencer, air inlet end cover 11 and gas vent end cover 12 are linked together with intake pipe 2 and blast pipe 3 respectively, two solid fixed ring of spring 6 are used for fixing cylindric elastic component 4's both ends respectively on air inlet end cover 11 and gas vent end cover 12's inner wall, cylindric elastic component 4, equal cladding has the sound of inhaling cotton on intake pipe 2 and the blast pipe 3, make heater combustion noise process multiple amortization, in order to promote noise cancelling effect, design through flexible shell 1 and cylindric elastic component, make exhaust silencer can be bent and install and use, set up the fixed bolster on flexible shell 1's outer wall at last, be used for fixed exhaust silencer.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an exhaust silencer, its characterized in that, includes flexible casing (1), the both ends of flexible casing (1) are connected with intake pipe (2) and blast pipe (3) respectively, be provided with cylindric elastic component (4) in flexible casing (1), the cladding has first sound absorption cotton (5) on the outer wall of cylindric elastic component (4), the inner chamber of cylindric elastic component (4) is provided with inlet channel, inlet channel's both ends respectively with intake pipe (2) with blast pipe (3) are connected.
2. An exhaust muffler according to claim 1, characterized in that the cylindrical elastic member (4) is a spring.
3. The exhaust silencer according to claim 2, characterized in that an air inlet end cover (11) and an air outlet end cover (12) are respectively arranged at two ends of the flexible casing (1), spring fixing rings (6) are respectively connected to inner walls of the air inlet end cover (11) and the air outlet end cover (12), and both spring fixing rings (6) are fixedly connected with two ends of the cylindrical elastic member (4).
4. An exhaust silencer according to claim 3, characterized in that the inlet pipe (2) and the outlet pipe (3) are each coated with a second sound-absorbing cotton.
5. An exhaust muffler according to claim 4, characterized in that the flexible casing (1) is made of corrugated tubing.
6. An exhaust muffler according to claim 5, characterized in that the flexible casing (1) is a metal bellows.
7. An exhaust silencer according to claim 1, characterized in that the outer wall of the flexible casing (1) is provided with fixing brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120405253.2U CN214579654U (en) | 2021-02-24 | 2021-02-24 | Exhaust silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120405253.2U CN214579654U (en) | 2021-02-24 | 2021-02-24 | Exhaust silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214579654U true CN214579654U (en) | 2021-11-02 |
Family
ID=78351352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120405253.2U Active CN214579654U (en) | 2021-02-24 | 2021-02-24 | Exhaust silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214579654U (en) |
-
2021
- 2021-02-24 CN CN202120405253.2U patent/CN214579654U/en active Active
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