CN214841268U - Silencer and air conditioner - Google Patents
Silencer and air conditioner Download PDFInfo
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- CN214841268U CN214841268U CN202023286579.2U CN202023286579U CN214841268U CN 214841268 U CN214841268 U CN 214841268U CN 202023286579 U CN202023286579 U CN 202023286579U CN 214841268 U CN214841268 U CN 214841268U
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- muffler
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- deadening
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- 230000003584 silencer Effects 0.000 title description 27
- 230000030279 gene silencing Effects 0.000 claims abstract description 68
- 238000003780 insertion Methods 0.000 claims description 95
- 230000037431 insertion Effects 0.000 claims description 95
- 238000013461 design Methods 0.000 abstract description 7
- 230000008030 elimination Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a muffler and air conditioner, the muffler includes: the silencing shell is provided with a silencing opening; the pipe fitting, the pipe fitting set up in the amortization mouth, the first end of pipe fitting extends to in the amortization casing. Through setting up the amortization mouth on the amortization casing, set up the pipe fitting in amortization mouth department, the first end of pipe fitting extends to in the amortization casing for the noise elimination volume of muffler improves, and the amortization frequency range increase, adopts a muffler just can reduce the noise of great frequency range, has reduced the use amount of muffler, practices thrift design cost.
Description
Technical Field
The utility model relates to a muffler field of making especially relates to a muffler and air conditioner.
Background
The noise of the compressor of the outdoor unit of the air conditioner is transmitted to the indoor side through the refrigerant pipeline, the indoor sound quality is affected, and the indoor side noise problem is caused. Currently, expanding mufflers are often used to address such noise problems. The common expansion silencer has insufficient silencing volume or the silencing frequency cannot completely cover the frequency needing silencing, and a plurality of silencers are often adopted to solve the problem.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art not enough, an object of the present invention is to provide a silencer and an air conditioner, which aims to solve the problem of the existing silencer that the silencing volume and the silencing frequency range are narrow.
The technical scheme of the utility model as follows:
a muffler, comprising:
the silencing shell is provided with a silencing opening;
the pipe fitting, the pipe fitting set up in the amortization mouth, the first end of pipe fitting extends to in the amortization casing.
The muffler, wherein the muffler opening includes: a first sound-deadening port; the pipe fitting includes: the first end of the first inserting pipe extends into the silencing shell, the second end of the first inserting pipe is provided with a first flaring, and the first flaring is located outside the silencing shell.
The silencer, wherein, first amortization mouth is provided with first connecting tube, first connecting tube with first amortization mouth is connected.
The muffler, wherein the first flare is located within the first connecting tube; a first convex part is arranged on the inner wall of the first connecting pipe; the first protrusion abuts the first flare to limit the length of the first insertion tube within the sound attenuation housing.
The muffler, wherein, first flaring is located outside first connecting pipe, the flaring pipe diameter of first flaring is greater than the pipe diameter of first connecting pipe.
The muffler, wherein the length of the pipe inside the muffler shell is [1/4, 1/2] of the length of the muffler shell.
The muffler, wherein the muffler opening includes: a second sound-deadening port; the pipe fitting includes: a second insert tube having a first end extending into the sound attenuating housing; wherein the length of the second insertion tube in the silencing shell is different from the length of the first insertion tube in the silencing shell.
The muffler, wherein a second end of the second insertion pipe is provided with a second flared opening, the second silencing opening is provided with a second connecting pipe, and the second connecting pipe is connected with the second silencing opening;
the second flaring is positioned in the second connecting pipe, a second convex part is arranged on the inner wall of the second connecting pipe, and the second convex part is abutted against the second flaring so as to limit the length of the second inserting pipe in the silencing shell;
or the second flaring is positioned outside the second connecting pipe, and the pipe diameter of the second flaring is larger than that of the second connecting pipe.
The muffler, wherein the length of the first insertion pipe inside the muffler shell is 1/2 of the length of the muffler shell, and the length of the second insertion pipe inside the muffler shell is 1/4 of the length of the muffler shell; and/or the presence of a gas in the gas,
the sound-deadening housing includes:
a main body portion;
a first diameter-changing portion connected to one end of the main body portion, the first sound-deadening port being located on the first diameter-changing portion;
and a second diameter-changing portion connected to the other end of the main body portion, wherein the second sound-deadening port is located on the second diameter-changing portion.
An air conditioner, comprising: the silencer comprises a compressor, an outdoor heat exchanger and a silencer arranged between the compressor and the outdoor heat exchanger, wherein the silencer is the silencer.
Has the advantages that: the utility model discloses set up the amortization mouth on the amortization casing, set up the pipe fitting in amortization mouth department, in the first end of pipe fitting extends to the amortization casing for the noise elimination volume of muffler improves, and the amortization frequency range increase, adopts a muffler just can reduce the noise of great frequency range, has reduced the use amount of muffler, practices thrift design cost.
Drawings
Fig. 1 is a schematic view of a first structure of a silencer according to the present invention.
Fig. 2 is a second structural schematic diagram of the muffler of the present invention.
Fig. 3 is a schematic diagram of a third structure of a silencer according to the present invention.
Fig. 4 is a fourth structural schematic diagram of a silencer according to the present invention.
Fig. 5 is a curve of the silencing performance of the silencer according to the first structure of the present invention.
Fig. 6 is a silencing performance curve of a silencer with a third structure according to the present invention.
Reference numerals: 10. a sound-deadening housing; 101. a first diameter-changing part; 102. a main body portion; 103. a second diameter-changing portion; 11. a first connecting pipe; 12. a first convex portion; 13. a second connecting pipe; 14. a second convex portion; 20. a first insertion tube; 21. a first flare; 211. a first inclined portion; 212. a first straight portion; 30. a second insertion tube; 31. a second flare; 311. a second inclined portion; 312. a second straight portion.
Detailed Description
The utility model provides a muffler and air conditioner, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Because the volume of eliminating sound of current muffler is not enough or the amortization frequency range is narrower, often need set up a plurality of silencers just can realize the noise cancelling effect that needs. In view of the above problem, the present embodiment provides a muffler, please refer to fig. 1 to 4, the muffler includes: amortization casing 10 and pipe fitting, be equipped with the amortization mouth on the amortization casing 10, the pipe fitting set up in the amortization mouth, the first end of pipe fitting extends to in the amortization casing 10.
Specifically, the silencing shell 10 is a hollow shell, a silencing opening is formed in the silencing shell 10, the first end of the pipe fitting can be inserted into the silencing shell 10 from the silencing opening, a certain length extends into the silencing shell 10, and the first end of the pipe fitting is located in the silencing shell 10. The pipe fitting and the silencing opening are connected to fix the position of the pipe fitting in the silencing shell 10, and the pipe fitting and the silencing opening can be connected through an adhesive or a high-frequency welding processing technology. Because the pipe fitting is inserted into the silencing shell 10, the silencing volume of the silencer is increased, the silencing frequency range is enlarged, noise in a larger frequency range can be reduced by adopting one silencer, the using amount of the silencer is reduced, and the design cost is saved.
Further, the muffler port includes: a first sound-deadening port; the pipe fitting includes: the first end of the first insertion tube 20 extends into the sound attenuation shell, the second end of the first insertion tube 20 is provided with a first flaring 21, and the first flaring 21 is located outside the sound attenuation shell 10.
Specifically, since the length of the first insertion tube 20 within the muffler body has different influences on the muffling effect of the muffler, in order to insert the first insertion tube 20 at an accurate position within the muffling housing 10, the first flared end 21 is provided at the second end of the first insertion tube 20, the first flared end 21 includes a first inclined portion 211 and a first straight portion 212, one end of the first inclined portion 211 is connected to the second end of the first insertion tube 20, and the other end of the first inclined portion 211 is connected to the first straight portion 212. A first inclined portion 211 is formed by extending from the second end of the first insertion tube 20 to the outer periphery, and a first straight portion 212 is formed by extending from the first inclined portion 211 in a direction away from the first insertion tube 20. The first flare 21 is located outside the sound-deadening shell 10 and cannot enter the sound-deadening shell 10 from the first flare opening, so that the length of the first insertion tube 20 can be designed according to the preset insertion depth as required, and the actual depth of the first insertion tube 20 in the sound-deadening shell 10 can be accurately set. Meanwhile, the first flared opening 21 can be further connected with the first silencing opening to fix the first insertion tube 20 and the silencing shell 10, and the specific connection mode can be bonding by using an adhesive or welding by using a high-frequency welding processing technology.
In one embodiment, the first sound-deadening port is provided with a first connecting pipe 11, and the first connecting pipe 11 is connected with the first sound-deadening port.
Specifically, the first connecting pipe 11 is disposed at the first silencing opening, and the first connecting pipe 11 is connected to the first silencing opening, so that the contact area between the first inserting pipe 20 and the first connecting pipe 11 can be increased, and the first inserting pipe 20 is more stably connected to the silencing shell 10.
In a particular embodiment, the first flared end 21 is located inside the first connecting tube 11; a first convex part 12 is arranged on the inner wall of the first connecting pipe 11; the first projection 12 abuts the first flare 21 to limit the length of the first insertion tube 20 within the sound-deadening housing 10.
Specifically, referring to fig. 1 and 3, a first protrusion 12 is disposed on an inner wall of the first connecting pipe 11, and the first protrusion 12 may be disposed by disposing a plurality of protrusions around a shaft of the first connecting pipe 11 along the inner wall, or may be a protrusion ring formed around a central axis of the first connecting pipe 11 along the inner wall. The design width of the first insertion tube 20 is to enable the first insertion tube 20 to be inserted from the tube opening of the first connection tube 11 and enter the sound deadening port through the first convex portion 12, while the design width of the first flared opening 21 is to enable the first flared opening 21 to enter the first connection tube 11 but be resisted by the first convex portion 12 and not enter the sound deadening port, that is, the first convex portion 12 can be resisted with the first inclined portion 211 of the first flared opening 21 to resist the insertion depth of the first insertion tube 20, so that the insertion depth positioning of the first insertion tube 20 is realized, and then the insertion depth of the first insertion tube 20 can be accurately set as required. For example, the shape of the first sound-deadening port is circular, the first connecting pipe 11 and the first insertion pipe 20 are both circular pipes, and the first flare 21 is a circular flare, so that the outer radius of the first insertion pipe 20 is smaller than the difference between the inner radius of the first connecting pipe 11 and the protruding height of the first protrusion 12, and the outer diameter of the first straight portion 212 of the first flare 21 is larger than the difference between the inner diameter of the first connecting pipe 11 and the protruding height of the first protrusion 12. After the position of the first insertion tube 20 is set, the first straight portion 212 is fixedly connected to the first connection tube 11, thereby fixing the position of the first insertion tube 20. In the present embodiment, the length of the first insertion tube 20 is the sum of the length of the first insertion tube 20 in the sound-deadening housing 10 and the distance from the first projection 12 to the first sound-deadening port. Alternatively, the first protrusion 12 is provided at the connection end of the first connection pipe 11 and the sound-deadening housing 10 (i.e., at the first sound-deadening port), so that the length of the first insertion pipe 20 is the length of the first insertion pipe 20 inside the sound-deadening housing 10.
In another specific embodiment, the first flaring 21 is located outside the first connecting tube 11, and the flaring diameter of the first flaring 21 is larger than the diameter of the first connecting tube 11.
Specifically, the flaring pipe diameter of the first flaring 21 refers to the pipe diameter of the first straight portion 212, and the first flaring 21 can be limited outside the first connecting pipe 11, and the design width of the first flaring 21 is to make the first flaring 21 not enter the first connecting pipe 11, that is, the flaring pipe diameter of the first flaring 21 is larger than the pipe diameter of the first connecting pipe 11, and can be larger than the outer pipe diameter or the inner pipe diameter thereof, so that the length of the first insertion pipe 20 can be designed according to the length of the first connecting pipe 11, and the length of the first insertion pipe 20 in the silencing shell 10 can be accurately set, and the length of the first insertion pipe 20 in the silencing shell 10 is the insertion depth of the first insertion pipe 20 (the distance from the first silencing port to the first end of the first insertion pipe 20), in the manufacturing process of the silencer of the present invention, as long as the length of the first connecting pipe 11 is known, the first flaring 12 cannot enter the first connecting pipe 11, the insertion depth positioning of the first insertion tube 20 can be achieved. After the position of the first insertion tube 20 is set, the first inclined portion 211 is fixedly connected to the nozzle of the first connection tube 11. In the present embodiment, the length of the first insertion tube 20 is the sum of the length of the first insertion tube 20 in the sound-deadening housing 10 and the length of the first connection tube 11.
In one embodiment, the length of the pipe within the sound-attenuating housing 10 is [1/4, 1/2] of the length of the sound-attenuating housing 10.
Specifically, when sound passes through the silencing shell 10, the silencing shell 10 and the pipe fitting can resonate, the silencing curve of the silencing shell 10 is in an arch shape, the arch-shaped curve is overlapped with the resonance peak to form a wide peak covering a large frequency range, the peak frequency of the resonance peak moves to a low frequency along with the increase of the insertion depth, and the peak frequency of the resonance peak can be adjusted by adjusting the length of the pipe fitting in the silencing shell 10, so that the resonance peak and the arch-shaped curve can be overlapped as required. When the length of the pipe in the sound-deadening housing 10 is [1/4, 1/2] of the length of the sound-deadening housing 10, the frequency of the resonance peak is more overlapped with the arch curve in the frequency to be deadened, so that the sound-deadening effect is better.
Further, when the length of the pipe in the sound-deadening housing 10 is 1/2 of the length of the sound-deadening housing 10, the peak frequency of the resonance peak coincides with the odd-order passing frequency of the expanding sound-deadening property; when the length of the pipe fitting in the silencing shell 10 is 1/4 of the length of the silencing shell 10, the peak frequency of the resonance peak is consistent with the even pass frequency of the expansion type silencing characteristic, the silencing volume of the silencer can be further improved and the silencing frequency range can be widened by the two modes, the frequency ranges of the silencers with the two insertion lengths are different, and the selection can be carried out according to the actual silencing requirement. As shown in fig. 1, when the length of the sound-deadening housing 10 is L, the length of the pipe in the sound-deadening housing 10 is L1-1/2L, and the sound-deadening performance of the sound-deadening housing is shown in fig. 5.
In one embodiment, referring to fig. 3 and 4, the sound-deadening port includes: a second sound-deadening port; the pipe fitting includes: a second insertion pipe 30, a first end of the second insertion pipe 30 extending into the sound-deadening housing 10; wherein the length of the second insertion pipe 30 inside the sound-deadening housing 10 is different from the length of the first insertion pipe 20 inside the sound-deadening housing 10.
Specifically, first amortization mouth sets up on amortization casing 10 with the second amortization mouth relatively, and gas can get into and come out from the second amortization mouth from first amortization mouth, also can get into and come out from first amortization mouth from the second amortization mouth, confirms air inlet and gas outlet according to the air current direction. The second insertion pipe 30 can be inserted into the sound-deadening housing 10 from the second sound-deadening port, with the second end of the second insertion pipe 30 extending into the sound-deadening housing 10, and connects the second insertion pipe 30 with the second sound-deadening port. Since the peak frequency of the resonance peak is related to the length of the pipe in the sound-deadening housing 10, the length of the second insertion pipe 30 in the sound-deadening housing 10 is different from the length of the first insertion pipe 20 in the sound-deadening housing 10, so that the peak frequencies generated by the two insertion pipes are different, thereby widening the sound-deadening frequency range.
In one embodiment, the second end of the second insertion tube 30 is provided with a second flared opening 31, the second sound deadening opening is provided with a second connecting tube 13, and the second connecting tube 13 is connected with the second sound deadening opening;
the second flared end 31 is located in the second connecting pipe 13, and a second convex part 14 is arranged on the inner wall of the second connecting pipe 13; the second projection 14 abuts against the second flare 31 to limit the length of the second insertion tube 30 within the sound-deadening housing 10;
or, the second flared end 31 is located outside the second connecting pipe 13, and the pipe diameter of the second flared end 31 is greater than that of the second connecting pipe 13.
Specifically, the second flare 31 includes a second inclined portion 311 and a second straight portion 312, one end of the second inclined portion 311 is connected with the second end of the second insertion tube 30, and the other end of the second inclined portion 311 is connected with the second straight portion 312. A second inclined portion 311 is formed by extending from the second end of the second insertion tube 30 to the outer periphery, and a second straight portion 312 is formed by extending from the second inclined portion 311 in a direction away from the second insertion tube 30. The second flare 31 is located outside the silencing shell 10 and cannot enter the silencing shell 10 from the second silencing port, so that the length of the second insertion tube 30 can be designed according to the preset insertion depth as required, and the actual depth of the second insertion tube 30 in the silencing shell 10 can be accurately set. At the same time, the second flared end 31 can be connected to a second sound-deadening port to fixedly connect the second insertion tube 30 to the sound-deadening shell 10.
When the second flared end 31 is located in the second connecting pipe, a second convex portion is disposed on the inner wall of the second connecting pipe, and the second convex portion 12 may be disposed by winding a plurality of convex hulls around the shaft of the second connecting pipe 11 along the inner wall, or may be a convex ring formed around the central axis of the second connecting pipe 13 along the inner wall. The second projecting portion 14 can abut against the second inclined portion 311 of the second flare 31 to limit the insertion depth of the second insertion tube 30, thereby positioning the insertion depth of the second insertion tube 30, and further, the insertion depth of the second insertion tube 30 can be accurately set as necessary. In this embodiment, the length of the second insertion tube 30 is the sum of the length of the second insertion tube 30 in the sound-deadening housing 10 and the distance from the second projection 14 to the second sound-deadening port. Alternatively, the second protrusion 14 is disposed at the connection end (i.e., the first sound-deadening port) of the second connection pipe 13 and the sound-deadening housing 10, so that the length of the second insertion pipe 30 is the length of the second insertion pipe 30 inside the sound-deadening housing 10. When the second flaring 31 is located outside the second connecting pipe 13, the flaring pipe diameter of the second flaring 31 is greater than the pipe diameter of the second connecting pipe 13, and may be greater than the outer pipe diameter, and may also be greater than the inner pipe diameter, so that the length of the second inserting pipe 30 in the silencing shell 10 can be accurately set, the length of the second inserting pipe 30 in the silencing shell 10 is the insertion depth of the second inserting pipe 30 (the distance from the second silencing port to the first end of the second inserting pipe 20), in the manufacturing process of the silencer, as long as the length of the second connecting pipe 13 is known, and the second flaring 31 cannot enter the second connecting pipe 13, the insertion depth positioning of the second inserting pipe 30 can be realized. In this embodiment, the length of the second insertion pipe 30 is the sum of the length of the second insertion pipe 30 in the sound-deadening housing 10 and the length of the second connection pipe 13.
In one embodiment, the length of the first insertion tube 20 within the sound-deadening housing 10 is 1/2 of the length of the sound-deadening housing 10, and the length of the second insertion tube 30 within the sound-deadening housing 10 is 1/4 of the length of the sound-deadening housing 10.
Specifically, since the peak frequency of the resonance peak coincides with the odd-order passing frequency of the expanding sound attenuation characteristic when the length of the pipe member inside the sound attenuation housing 10 is 1/2 of the length of the sound attenuation housing 10; when the length of the pipe in the sound-deadening housing 10 is 1/4 of the length of the sound-deadening housing 10, the peak frequency of the resonance peak is consistent with the even-order passing frequency of the expanding sound-deadening characteristic, in order to obtain a wider sound-deadening frequency range, the length of the first insertion pipe 20 in the sound-deadening housing 10 is 1/2 of the length of the sound-deadening housing 10, and the length of the second insertion pipe 30 in the sound-deadening housing 10 is 1/4 of the length of the sound-deadening housing 10, so that the expanding passing frequency can be eliminated, and a better sound-deadening effect can be achieved. As shown in fig. 3, when the length of the sound-deadening housing 10 is L, the length of the first insertion pipe 20 in the sound-deadening housing 10 is L1-1/2L, and the length of the second insertion pipe 30 in the sound-deadening housing 10 is L1-1/4L, and the sound-deadening performance of the sound-deadening housing is as shown in fig. 6.
Alternatively, referring to fig. 1 to 4, the sound-deadening housing 10 includes: the muffler includes a main body 102, a first diameter-changing portion 101, and a second diameter-changing portion 103, wherein the first diameter-changing portion 101 is connected to one end of the main body 102, the first sound-deadening port is located on the first diameter-changing portion 101, the second diameter-changing portion 103 is connected to the other end of the main body 102, and the second sound-deadening port is located on the second diameter-changing portion 103.
Specifically, the main body 102, the first diameter-changing portion 101, and the second diameter-changing portion 103 together form a sound-deadening cavity, the main body 102 is a hollow cylinder, the first diameter-changing portion 101 and the second diameter-changing portion 103 are both in a hollow frustum shape, the bottoms of the first diameter-changing portion 101 and the second diameter-changing portion 103 in the hollow frustum shape are respectively connected with two ends of the hollow cylinder, and the tops of the first diameter-changing portion 101 and the second diameter-changing portion 103 in the hollow frustum shape are respectively a first sound-deadening port and a second sound-deadening port.
In an embodiment, the present embodiment further provides an air conditioner, including: the silencer comprises a compressor, an outdoor heat exchanger and a silencer arranged between the compressor and the outdoor heat exchanger, wherein the silencer is the silencer.
Specifically, the silencer is arranged on an outdoor unit of the air conditioner, a compressor of the outdoor unit is connected with the outdoor heat exchanger through a refrigerant pipeline, and the silencer is arranged on the refrigerant pipeline, so that noise generated by the compressor can be eliminated, and the problem of indoor noise is solved.
To sum up, the utility model provides a muffler and air conditioner, the muffler includes: the silencing shell is provided with a silencing opening; the pipe fitting, the pipe fitting set up in the amortization mouth, the first end of pipe fitting extends to in the amortization casing. Through setting up the amortization mouth on the amortization casing, set up the pipe fitting in amortization mouth department, the first end of pipe fitting extends to in the amortization casing for the noise elimination volume of muffler improves, and the amortization frequency range increase, adopts a muffler just can reduce the noise of great frequency range, has reduced the use amount of muffler, practices thrift design cost.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. A muffler, comprising:
the silencing shell is provided with a silencing opening;
the pipe fitting is arranged at the silencing opening, and a first end of the pipe fitting extends into the silencing shell;
the length of the tube within the sound-deadening housing is [1/4, 1/2] of the length of the sound-deadening housing.
2. The muffler of claim 1, wherein the muffler opening comprises: a first sound-deadening port; the pipe fitting includes: the first end of the first inserting pipe extends into the silencing shell, the second end of the first inserting pipe is provided with a first flaring, and the first flaring is located outside the silencing shell.
3. The muffler of claim 2, wherein the first sound-deadening port is provided with a first connecting pipe connected to the first sound-deadening port.
4. The muffler of claim 3, wherein the first flare is located within the first connection tube; a first convex part is arranged on the inner wall of the first connecting pipe; the first protrusion abuts the first flare to limit the length of the first insertion tube within the sound attenuation housing.
5. The muffler of claim 3 wherein the first flare is located outside the first connecting tube, the first flare having a flare tube diameter that is greater than a tube diameter of the first connecting tube.
6. The muffler of claim 2, wherein the muffler opening comprises: a second sound-deadening port; the pipe fitting includes: a second insert tube having a first end extending into the sound attenuating housing; wherein the length of the second insertion tube in the silencing shell is different from the length of the first insertion tube in the silencing shell.
7. The muffler of claim 6, wherein the second end of the second insertion tube is provided with a second flare, the second muffler opening is provided with a second connecting tube, and the second connecting tube is connected with the second muffler opening;
the second flaring is positioned in the second connecting pipe, a second convex part is arranged on the inner wall of the second connecting pipe, and the second convex part is abutted against the second flaring so as to limit the length of the second inserting pipe in the silencing shell; or the second flaring is positioned outside the second connecting pipe, and the pipe diameter of the second flaring is larger than that of the second connecting pipe.
8. The muffler of claim 7, wherein the first insertion tube has a length within the muffler shell of 1/2 the length of the muffler shell, and the second insertion tube has a length within the muffler shell of 1/4 the length of the muffler shell; and/or the presence of a gas in the gas,
the sound-deadening housing includes:
a main body portion;
a first diameter-changing portion connected to one end of the main body portion, the first sound-deadening port being located on the first diameter-changing portion;
and a second diameter-changing portion connected to the other end of the main body portion, wherein the second sound-deadening port is located on the second diameter-changing portion.
9. An air conditioner, comprising: a compressor, an outdoor heat exchanger, and a muffler disposed between the compressor and the outdoor heat exchanger, the muffler being as defined in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023286579.2U CN214841268U (en) | 2020-12-30 | 2020-12-30 | Silencer and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023286579.2U CN214841268U (en) | 2020-12-30 | 2020-12-30 | Silencer and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214841268U true CN214841268U (en) | 2021-11-23 |
Family
ID=78870354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023286579.2U Active CN214841268U (en) | 2020-12-30 | 2020-12-30 | Silencer and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214841268U (en) |
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2020
- 2020-12-30 CN CN202023286579.2U patent/CN214841268U/en active Active
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