CN214579655U - Formaldehyde-free tubular silencer - Google Patents
Formaldehyde-free tubular silencer Download PDFInfo
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- CN214579655U CN214579655U CN202120451511.0U CN202120451511U CN214579655U CN 214579655 U CN214579655 U CN 214579655U CN 202120451511 U CN202120451511 U CN 202120451511U CN 214579655 U CN214579655 U CN 214579655U
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Abstract
The utility model discloses a formaldehyde-free tubular muffler, wherein the wall of an inner tube is provided with a plurality of through holes; the outer pipe is sleeved on the inner pipe; the formaldehyde-free environment-friendly glass wool is filled between the inner pipe and the outer pipe; the inner pipe is provided with a plurality of through holes, the through holes are arranged on the inner wall of the inner pipe in a one-to-one correspondence mode, and air circulation channels are formed between the inner pipe and the plurality of silencing bodies; the inner pipe, the outer pipe and the plurality of muffling bodies are made of formaldehyde-free materials. The utility model discloses a no formaldehyde tubular muffler, no formaldehyde avoids the injury to the human body, has improved noise cancelling effect simultaneously.
Description
Technical Field
The utility model relates to an air pipe technical field, more specifically the utility model relates to a formaldehyde-free tubular muffler that says so.
Background
In many occasions in life and work, a quiet environment is often needed, in the environment in life and work, various air power devices are often needed, but the air power devices (such as an air conditioning ventilation system) can generate large noise in the working state, so that people's normal life is uncomfortable, and therefore noise reduction pipelines need to be installed when the equipment with noise such as air power works, and meanwhile, because the working environment of the equipment is the environment in life and work, the noise reduction pipelines applied to the ventilation system need to be ensured to be formaldehyde-free, and the harm to human bodies is avoided.
However, the ventilating duct in the prior art has poor silencing effect and is easy to wear in the construction process.
Therefore, how to provide a formaldehyde-free pipe muffler with improved muffling effect is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a no formaldehyde tubular muffler, no formaldehyde avoids the injury to the human body, has improved noise cancelling effect simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a formaldehyde-free pipe muffler comprising:
the pipe wall of the inner pipe is provided with a plurality of through holes;
the outer pipe is sleeved on the inner pipe;
the formaldehyde-free environment-friendly glass wool is filled between the inner pipe and the outer pipe;
the silencer comprises a plurality of silencing bodies, wherein the silencing bodies are fixed on the inner wall of the inner pipe in a one-to-one correspondence manner at intervals among a plurality of through holes, and air circulation channels are formed between the inner pipe and the plurality of silencing bodies;
the inner pipe, the outer pipe and the plurality of noise reduction bodies are made of formaldehyde-free materials.
The silencing material filled between the inner pipe and the outer pipe of the utility model is formaldehyde-free environment-friendly glass wool, and meanwhile, the inner pipe, the outer pipe and the silencing body are made of formaldehyde-free materials, so that the utility model is formaldehyde-free and avoids the harm to human body; and, the utility model discloses not only open a plurality of through-holes on the inner tube to through the cotton sound of inhaling of formaldehyde-free environmental protection glass between outer tube and the inner tube, simultaneously come the amortization through a plurality of amortization bodies of fixed on the inner wall of inner tube, both supplement each other, thereby can improve the utility model discloses an amortization effect.
Preferably, a plurality of the sound-deadening bodies form a net structure therebetween.
The utility model discloses a form network structure with a plurality of amortization bodies in the inner tube to can absorb and reflect the noise in the flow through the inner tube, with further improvement the utility model discloses a sound effect is inhaled, and the hole through its network structure is gone up to form the circulation of air passageway simultaneously, avoids influencing its ventilation effect.
Preferably, the silencing body is rod-shaped, one end of the silencing body is fixed on the inner wall of the inner pipe, and the other end of the silencing body is a free end which is suspended in a cavity in the inner pipe.
The utility model discloses a bar-shaped one end is fixed on the inner wall of inner tube, and the other end is unsettled in the cavity of inner tube to can absorb and reflect the noise of flow in the inner tube, with further improvement the utility model discloses a sound absorbing effect, the inner wall of a plurality of amortization body free ends and inner tube can form the circulation of air passageway simultaneously, avoids influencing its ventilation effect.
Preferably, the lengths of the plurality of sound-deadening bodies are different.
The utility model discloses the claviform amortization body differs in size to can further improve the utility model discloses an effect of sound attenuation.
Preferably, the sound-damping body is a porous and formaldehyde-free material.
The utility model discloses a amortization body is porous and formaldehyde-free material, consequently not only can avoid because the formaldehyde injury is human, and a plurality of holes on it can improve the noise cancelling effect of the amortization body moreover.
Preferably, the method further comprises the following steps: the protection tube, the protection tube cover is established on the outer tube, simultaneously the protection tube with it inhales the sound thing to fill between the outer tube, inhale the sound thing and be inhaleing sound cotton, nylon cloth or the mixture of both.
The utility model discloses the cover is equipped with the protection tube on the outer tube, thereby can improve the utility model discloses a life, the sound thing of inhaling of filling can further improve between protection tube and the outer tube simultaneously the utility model discloses an amortization effect, owing to inhale the sound thing for inhaling sound cotton, nylon cloth or mixture between them simultaneously, consequently formaldehyde-free to avoid injury health.
Preferably, the protective tube is wrapped with a wear-resistant layer.
The outer wrapping of the protection tube of the utility model is provided with a wear-resistant layer, thereby improving the wear resistance of the utility model.
Preferably, the outer tube and the protection tube are made of galvanized iron or stainless steel.
The utility model discloses the material of outer tube and protection tube is galvanized iron sheet or stainless steel, and no formaldehyde then avoids causing the injury to the human body.
Preferably, the inner tube is a galvanized perforated plate.
The utility model discloses an inner tube is the galvanized perforated plate, not only does not have formaldehyde and avoids causing the injury to the human body, moreover because galvanized perforated plate itself has a plurality of through-holes, consequently need not to punch at follow-up reprocessing, then can reduce the utility model discloses an improvement of manufacturing cost and the utility model discloses a machining efficiency.
Preferably, the wear-resistant layer is made of non-woven fabric or sponge and is tied to the outer wall of the outer pipe through a nylon rope.
The utility model discloses a wearing layer is non-woven fabrics or sponge to tie up the outer wall at the outer tube through the nylon rope, make the utility model discloses the formaldehyde-free avoids producing the injury to the human body.
Can know via foretell technical scheme, compare with prior art, the utility model discloses a no formaldehyde tubular muffler can realize following technological effect:
the silencing material filled between the inner pipe and the outer pipe of the utility model is formaldehyde-free environment-friendly glass wool, and meanwhile, the inner pipe, the outer pipe and the silencing body are made of formaldehyde-free materials, so that the utility model is formaldehyde-free and avoids the harm to human body; and, the utility model discloses not only open a plurality of through-holes on the inner tube to through the cotton sound of inhaling of formaldehyde-free environmental protection glass between outer tube and the inner tube, simultaneously come the amortization through a plurality of amortization bodies of fixed on the inner wall of inner tube, both supplement each other, thereby can improve the utility model discloses an amortization effect.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of a formaldehyde-free tubular muffler according to example 1 of the present invention;
FIG. 2 is a structural diagram of a formaldehyde-free tubular muffler according to embodiment 1 of the present invention, in which a muffler body is installed in an inner pipe;
FIG. 3 is a cross-sectional view of a formaldehyde-free tubular muffler of example 2 of the present invention;
fig. 4 is a structural diagram of the muffler body of the formaldehyde-free pipe muffler installed in the inner pipe in embodiment 2 of the present invention.
Wherein, 1-inner tube; 10-a through hole; 2-an outer tube; 3-formaldehyde-free environment-friendly glass wool; 4-a sound-deadening body; 5-protecting the tube; 21-sound absorbing; 51-wear resistant layer.
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.
The embodiment of the utility model discloses formaldehyde-free tubular muffler, include:
the pipe comprises an inner pipe 1, wherein the pipe wall of the inner pipe 1 is provided with a plurality of through holes 10;
the outer pipe 2 is sleeved on the inner pipe 1;
the formaldehyde-free environment-friendly glass wool 3 is filled between the inner pipe 1 and the outer pipe 2;
the silencing bodies 4 are multiple, the silencing bodies 4 correspond to the intervals among the through holes 10 and are fixed on the inner wall of the inner pipe 1 one by one, and air circulation channels are formed between the inner pipe 1 and the silencing bodies 4;
the inner pipe 1, the outer pipe 2 and the plurality of muffling bodies 4 are all made of formaldehyde-free materials.
In order to further optimize the above technical solution, a mesh structure is formed among the plurality of sound absorbers 4.
In order to further optimize the technical scheme, the silencing body 4 is rod-shaped, one end of the silencing body is fixed on the inner wall of the inner pipe 1, and the other end of the silencing body is a free end which is suspended in a cavity in the inner pipe 1.
In order to further optimize the above technical solution, the lengths of the plurality of sound absorbers 4 are different.
In order to further optimize the above technical solution, the sound-damping body 4 is a porous and formaldehyde-free material.
In order to further optimize the above technical solution, the method further comprises: the protection tube 5, the protection tube 5 is established on outer tube 2, and it packs to inhale the sound thing 21 simultaneously to fill between protection tube 5 and the outer tube 2, inhales the sound thing 21 and is inhaleing sound cotton, nylon cloth or the mixture of both.
In order to further optimize the above technical solution, the protection tube 5 is wrapped with a wear resistant layer 51.
In order to further optimize the above technical solution, the outer tube 2 and the protection tube 5 are made of galvanized iron or stainless steel.
In order to further optimize the above technical solution, the inner tube 1 is a galvanized perforated plate.
In order to further optimize the above technical solution, the wear-resistant layer 51 is made of non-woven fabric or sponge and is tied to the outer wall of the outer tube 2 by nylon ropes.
Example 1:
the embodiment of the utility model discloses formaldehyde-free tubular muffler, include: the device comprises an inner pipe 1, an outer pipe 2, formaldehyde-free environment-friendly glass wool 3, a protection pipe 5 and a plurality of silencing bodies 4; the inner pipe 1, the outer pipe 2 and the protection pipe 5 are made of formaldehyde-free materials (galvanized iron sheet, stainless steel or galvanized perforated plate and other formaldehyde-free and durable materials), and the noise reduction body 4 is made of porous and formaldehyde-free materials;
the pipe wall of the inner pipe 1 is provided with a plurality of through holes 10;
the outer pipe 2 is sleeved on the inner pipe 1;
the formaldehyde-free environment-friendly glass wool 3 is filled between the inner pipe 1 and the outer pipe 2;
the silencing bodies 4 are a plurality of, are fixed on the inner wall of the inner pipe 1 at intervals (integrally connected, clamped, screwed and other formaldehyde-free fixing modes) corresponding to the through holes 10 one by one, an air circulation channel is formed between the inner pipe 1 and the silencing bodies 4, and a net-shaped structure is formed between the silencing bodies 4;
the protective tube 5 is sleeved on the outer tube 2, and meanwhile, a sound absorbing object 21 is filled between the protective tube 5 and the outer tube 2, and the sound absorbing object 21 is sound absorbing cotton, nylon cloth or a mixture of the sound absorbing cotton and the nylon cloth;
the protective tube 5 is wrapped by a wear-resistant layer 51, and the wear-resistant layer 51 is made of non-woven fabric or sponge and is bound on the outer wall of the outer tube 2 through a nylon rope.
Example 2:
the difference from example 1 is: the silencing bodies 4 are rod-shaped, one end of each silencing body is fixed on the inner wall of the inner pipe 1, the other end of each silencing body is a free end and is suspended in a cavity in the inner pipe 1, and meanwhile the lengths of the silencing bodies 4 are different.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A formaldehyde-free tubular muffler, comprising:
the pipe comprises an inner pipe (1), wherein the pipe wall of the inner pipe (1) is provided with a plurality of through holes (10);
the outer pipe (2) is sleeved on the inner pipe (1);
the formaldehyde-free environment-friendly glass wool (3) is filled between the inner pipe (1) and the outer pipe (2);
the silencing bodies (4) are multiple, the through holes (10) are in one-to-one correspondence, the intervals are fixed on the inner wall of the inner pipe (1), and air circulation channels are formed between the inner pipe (1) and the silencing bodies (4);
the inner pipe (1), the outer pipe (2) and the plurality of noise reduction bodies (4) are all made of formaldehyde-free materials.
2. A formaldehyde-free pipe silencer according to claim 1, characterized in that a plurality of said silencer bodies (4) form a net structure therebetween.
3. A formaldehyde-free pipe silencer according to claim 1, characterized in that the silencer body (4) is rod-shaped, one end of which is fixed to the inner wall of the inner pipe (1), and the other end of which is a free end which is suspended in a cavity in the inner pipe (1).
4. A formaldehyde-free pipe silencer according to claim 1, characterized in that the lengths of the silencing bodies (4) are different.
5. A formaldehyde-free pipe silencer according to any of claims 1 to 4, characterized in that the silencer body (4) is a porous and formaldehyde-free material.
6. The formaldehyde-free tubular muffler of claim 1, further comprising: protection tube (5), protection tube (5) cover is established on outer tube (2), simultaneously protection tube (5) with it has sound thing (21) to inhale to fill between outer tube (2), inhale sound thing (21) and be inhaling sound cotton, nylon cloth or the mixture of both.
7. A formaldehyde-free pipe silencer according to claim 6, characterized in that the protective pipe (5) is coated with a wear layer (51).
8. A formaldehyde-free tube muffler according to claim 6, wherein the material of the outer tube (2) and the protective tube (5) is galvanized iron or stainless steel.
9. The formaldehyde-free pipe silencer according to claim 7, wherein the wear layer (51) is a non-woven fabric or a sponge, and is bound to the outer wall of the outer pipe (2) by nylon ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451511.0U CN214579655U (en) | 2021-03-02 | 2021-03-02 | Formaldehyde-free tubular silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451511.0U CN214579655U (en) | 2021-03-02 | 2021-03-02 | Formaldehyde-free tubular silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214579655U true CN214579655U (en) | 2021-11-02 |
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ID=78317990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120451511.0U Active CN214579655U (en) | 2021-03-02 | 2021-03-02 | Formaldehyde-free tubular silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214579655U (en) |
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2021
- 2021-03-02 CN CN202120451511.0U patent/CN214579655U/en active Active
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