CN215596712U - High-precision stainless steel silencer - Google Patents
High-precision stainless steel silencer Download PDFInfo
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- CN215596712U CN215596712U CN202122263467.3U CN202122263467U CN215596712U CN 215596712 U CN215596712 U CN 215596712U CN 202122263467 U CN202122263467 U CN 202122263467U CN 215596712 U CN215596712 U CN 215596712U
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- air inlet
- air outlet
- stainless steel
- precision stainless
- high precision
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Abstract
The utility model discloses a high-precision stainless steel silencer, which comprises a silencing barrel, wherein an air inlet and an air outlet are formed at two ends of the silencing barrel through spinning; the air inlet and the air outlet are shaped, so that the inner hole precision of the air inlet and the air outlet is improved. According to the utility model, rough machining of the air inlet and the air outlet can be realized by adopting spinning forming, and the precision of inner holes of the air inlet and the air outlet can be improved by matching with a shaping process, so that the assembly precision between the copper sleeve and the air inlet and the air outlet is improved, and the brazing qualification rate is improved.
Description
Technical Field
The utility model relates to a high-precision stainless steel silencer.
Background
A muffler is a component used in a refrigeration system that can pass a gas flow and effectively reduce noise. At present, the stainless steel silencer on the market has the phenomena of air holes and broken welding in the welding process of individual products, and the welding flux is corroded to leak from the middle air holes and the broken welding positions, so that the qualified rate is low.
When processing in the prior art, generally carry out spin forming to the both ends of a silencer earlier, form air inlet and gas outlet, weld intake pipe and outlet duct respectively to air inlet and gas outlet on, adopt this kind of mode to connect the qualification rate that is unfavorable for later stage silencer processing, produce more substandard product easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a technical scheme of a high-precision stainless steel silencer aiming at the defects in the prior art, the rough machining of an air inlet and an air outlet can be realized by adopting spinning forming, the precision of inner holes of the air inlet and the air outlet can be improved by matching with a shaping process, the assembly precision between a copper sleeve and the air inlet and the air outlet is improved, and the brazing qualification rate is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a high-precision stainless steel silencer comprises
The two ends of the silencing barrel are provided with an air inlet and an air outlet through spinning forming;
the method is characterized in that:
the air inlet and the air outlet are shaped, so that the inner hole precision of the air inlet and the air outlet is improved; the rough machining of the air inlet and the air outlet can be realized by adopting spinning forming, the inner hole precision of the air inlet and the air outlet can be improved by matching with a shaping process, the assembly precision between the copper sleeve and the air inlet and the air outlet is improved, and the brazing qualified rate is improved.
Further, the shaping treatment is to treat inner holes on the air inlet and the air outlet through a shaping machine.
Furthermore, copper sleeves are welded in the air inlet and the air outlet.
Further, the length of the copper bush inserted into the air inlet and the air outlet is H1, wherein the range of H1 is 6-10 mm, so that the connection strength and the stability between the copper bush and the air inlet and between the copper bush and the air outlet can be improved, and the welding penetration can be improved.
Furthermore, one end of the copper sleeve is provided with a first limiting part, a welding ring is welded between the first limiting part and the port of the air inlet and the port of the air outlet, the welding ring is convenient to limit, the welding ring can improve the connection strength between the air inlet or the air outlet and the copper sleeve, and the welding quality is improved.
Further, the welding ring is a bronze welding ring.
Furthermore, the other end of the copper bush is provided with a second limiting part, so that the inlet and outlet connecting pipes can be conveniently assembled in a stop position.
Furthermore, the outer surface of the copper sleeve is provided with a groove for the molten solder to flow along the groove, and the air holes and the welding breakage phenomenon in the welding process can be avoided through the design of the groove.
Furthermore, the groove is in a spiral shape, and the continuous spiral groove is beneficial to continuous flow of the solder and improves the welding firmness.
Furthermore, the depth of the groove is 0.03-0.08 mm.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
according to the utility model, rough machining of the air inlet and the air outlet can be realized by adopting spinning forming, and the precision of inner holes of the air inlet and the air outlet can be improved by matching with a shaping process, so that the assembly precision between the copper sleeve and the air inlet and the air outlet is improved, and the brazing qualification rate is improved.
Description of the drawings:
the utility model will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a high-precision stainless steel muffler according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
fig. 3 is a schematic structural view of the copper bush of the present invention.
In the figure: 1-a silencing barrel; 2-an air inlet; 3-air outlet; 4-copper sheathing; 401-a first stop; 402-grooves; 403-a second limiting part; 5-welding a ring.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terms first, second and the like in the description and in the claims, and in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
As shown in fig. 1 to 3, a high-precision stainless steel silencer according to the present invention includes a silencing cylinder 1, wherein an air inlet 2 and an air outlet 3 are formed at two ends of the silencing cylinder 1 by spinning; the inner hole precision of the air inlet 2 and the air outlet 3 is improved through shaping treatment of the air inlet 2 and the air outlet 3; the rough machining of the air inlet 2 and the air outlet 3 can be realized by adopting spinning forming, the inner hole precision of the air inlet 2 and the air outlet 3 can be improved by matching with a shaping process, and the assembly precision between the copper sleeve 4 and the air inlet 2 and the air outlet 3 is improved, so that the brazing qualification rate is improved. The air inlet 2, the air outlet 3 and the silencing barrel 1 are all made of stainless steel materials. The shaping treatment is to carry out shaping treatment on inner holes on the air inlet 2 and the air outlet 3 through a shaping machine, so that the precision of the inner holes is improved.
The copper bush 4 is welded in the air inlet 2 and the air outlet 3, the length of the copper bush 4 inserted into the air inlet 2 or the air outlet 3 is H1, the range of H1 is 6-10 mm, the connection strength and the stability between the copper bush 4 and the air inlet 2 and the air outlet 3 can be improved, and welding penetration can be improved.
One end of copper sheathing 4 is provided with first spacing portion 401, and the welding has welded ring 5 between first spacing portion 401 and the port of air inlet 2 and gas outlet 3, is convenient for carry on spacingly to welded ring 5, welds ring 5 and can improve the joint strength between air inlet 2 or gas outlet 3 and the copper sheathing 4, improves welding quality. The welding ring 5 is a bronze welding ring, the melting temperature of the bronze welding ring 5 is 900-1065 ℃, and the melting temperature of the phosphor-copper welding ring adopted in the prior art is 710-810 ℃, so that the subsequent welding operation is not influenced. The other end of the copper bush 4 is provided with a second limiting part 403, which is convenient for the stop assembly of the inlet and outlet connecting pipe.
The outer surface of the copper sleeve 4 is provided with a groove 402 for the molten solder to flow along the groove 402, and the air holes and the welding breakage phenomenon in the welding process can be avoided through the design of the groove 402. The grooves 402 are spiral-shaped, and the continuous spiral-shaped grooves 402 facilitate continuous flow of solder and improve the firmness of welding. The depth of the groove 402 is 0.03-0.08 mm
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (10)
1. A high-precision stainless steel silencer comprises
The silencer comprises a silencing barrel, wherein an air inlet and an air outlet are formed in two ends of the silencing barrel through spinning;
the method is characterized in that:
the air inlet and the air outlet are shaped, so that the inner hole precision of the air inlet and the air outlet is improved.
2. A high precision stainless steel muffler according to claim 1, wherein: and the shaping treatment is to carry out shaping treatment on the inner holes on the air inlet and the air outlet through a shaping machine.
3. A high precision stainless steel muffler according to claim 1 or 2, wherein: and copper sleeves are welded in the air inlet and the air outlet.
4. A high precision stainless steel muffler according to claim 3, wherein: the length of the copper sleeve inserted into the air inlet and the length of the copper sleeve inserted into the air outlet are both H1, wherein the range of H1 is 6-10 mm.
5. A high precision stainless steel muffler according to claim 3, wherein: one end of the copper sleeve is provided with a first limiting part, and a welding ring is welded between the first limiting part and the port of the air inlet and the port of the air outlet.
6. A high precision stainless steel muffler according to claim 5, wherein: the welding ring is a bronze welding ring.
7. A high precision stainless steel muffler according to claim 3, wherein: the other end of the copper bush is provided with a second limiting part, so that the inlet and outlet connecting pipes can be conveniently assembled in a stop position.
8. A high precision stainless steel muffler according to claim 3, wherein: the outer surface of the copper sleeve is provided with a groove, and the molten solder flows along the groove.
9. A high precision stainless steel muffler according to claim 8, wherein: the groove is in a spiral shape.
10. A high precision stainless steel muffler according to claim 8, wherein: the depth of the groove is 0.03-0.08 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122263467.3U CN215596712U (en) | 2021-09-17 | 2021-09-17 | High-precision stainless steel silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122263467.3U CN215596712U (en) | 2021-09-17 | 2021-09-17 | High-precision stainless steel silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215596712U true CN215596712U (en) | 2022-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122263467.3U Active CN215596712U (en) | 2021-09-17 | 2021-09-17 | High-precision stainless steel silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215596712U (en) |
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2021
- 2021-09-17 CN CN202122263467.3U patent/CN215596712U/en active Active
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