CN214247610U - Air suction silencer for compressor - Google Patents
Air suction silencer for compressor Download PDFInfo
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- CN214247610U CN214247610U CN202023304722.6U CN202023304722U CN214247610U CN 214247610 U CN214247610 U CN 214247610U CN 202023304722 U CN202023304722 U CN 202023304722U CN 214247610 U CN214247610 U CN 214247610U
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- muffler
- cavity
- pipe
- compressor
- partition plate
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Abstract
A suction muffler for a compressor belongs to the technical field of compressor equipment; the utility model discloses the structure is breathed in efficiently, in limited compressor space, has designed upper muffler chamber, left muffler chamber and right muffler chamber three bulky muffler chamber, and left muffler chamber and right muffler chamber communicate through the second breather pipe, communicate through the first breather pipe between upper muffler chamber and the left muffler chamber, make the utility model discloses divide into and have three independent muffler chambers, the air current expands step by step through tertiary muffler chamber, plays the purpose of hierarchical amortization; the inner diameter of the air inlet pipe is phi 6.0-6.5mm, the inner diameter of the first vent pipe is phi 6.5-7.0mm, and the inner diameter of the second vent pipe is phi 6.0-6.5mm, so that the noise of the air flow passing through each silencing cavity is effectively reduced by 2dB (A).
Description
Technical Field
The utility model belongs to the technical field of compressor equipment, specifically relate to a compressor is with muffler of breathing in.
Background
The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, is the heart of a refrigeration system, sucks low-temperature low-pressure refrigerant gas from an air suction pipe, drives a piston to compress the refrigerant gas through the operation of a motor, and discharges the high-temperature high-pressure refrigerant gas to an exhaust pipe to provide power for a refrigeration cycle.
All can set up the muffler in the inside of compressor, reduce the noise when breathing in, current DC compressor for on-vehicle small-size DC refrigerator, freezer, the volume of refrigerator, freezer is restricted by the car space, uses miniature compressor, and the muffler that its inside used receives the space restriction, and the volume is less, and the amortization noise reduction effect is limited.
Disclosure of Invention
The utility model mainly solves the technical problem existing in the prior art and provides an air suction silencer for a compressor.
The above technical problem of the present invention can be solved by the following technical solutions: a suction muffler for a compressor comprises a muffler main body, wherein a lower muffler cavity is arranged on the inner side of the muffler main body, a top cover is mounted at the top of the muffler main body, a separation cover is arranged at the joint between the top cover and the muffler main body, a partition plate is arranged on the lower side of the middle part of the separation cover, a partition plate fixing groove is formed in the middle of the inner side of the muffler main body, the partition plate is inserted into the partition plate fixing groove, an upper muffler cavity is formed between the separation cover and the top cover, the lower muffler cavity is divided into a left muffler cavity and a right muffler cavity by the partition plate, an air inlet is arranged in the middle of the top cover, an air inlet pipe is arranged on the upper side of the air inlet, a first vent pipe is arranged on the right side of the partition plate and in the middle of the separation cover, the upper end of the first vent pipe extends into the upper muffler cavity, the lower end of the first vent pipe is bent leftward and extends into the left muffler cavity, go up between sound cavity and the left sound cavity of amortizing through first breather pipe intercommunication, be located the below of first breather pipe lower extreme and in the lower tip of baffle is equipped with the second breather pipe, pass through the second breather pipe intercommunication between left side sound cavity and the right sound cavity of amortizing, the right downside in right sound cavity of amortizing is equipped with the third breather pipe, the outside right downside of muffler main casing body is equipped with loudspeaker form gas outlet, loudspeaker form gas outlet and third breather pipe intercommunication.
Preferably, the inner diameter of the air inlet pipe is 6.0-6.5mm, the inner diameter of the first vent pipe is 6.5-7.0mm, and the inner diameter of the second vent pipe is 6.0-6.5 mm.
Preferably, an annular groove is formed in the outer ring of the lower side of the top cover, a convex ring is arranged on the outer ring of the upper side of the main shell of the silencer, the convex ring is arranged in the annular groove when the top cover is connected with the main shell of the silencer, and the annular groove is tightly connected with the convex ring.
The utility model discloses beneficial effect who has:
the utility model discloses the structure is breathed in efficiently, in limited compressor space, has designed upper muffler chamber, left muffler chamber and right muffler chamber three bulky muffler chamber, and left muffler chamber and right muffler chamber communicate through the second breather pipe, communicate through the first breather pipe between upper muffler chamber and the left muffler chamber, make the utility model discloses divide into and have three independent muffler chambers, the air current expands step by step through tertiary muffler chamber, plays the purpose of hierarchical amortization; the inner diameter of the air inlet pipe is phi 6.0-6.5mm, the inner diameter of the first vent pipe is phi 6.5-7.0mm, and the inner diameter of the second vent pipe is phi 6.0-6.5mm, so that the noise of the air flow passing through each silencing cavity is effectively reduced by 2dB (A).
Drawings
Fig. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic view of a portion A of FIG. 1;
fig. 3 is a schematic view of an external structure of the present invention;
FIG. 4 is a schematic top view of the main housing of the muffler of the present invention;
fig. 5 is a schematic structural diagram of the partition cover of the present invention.
In the figure: 1. a muffler main housing; 2. a lower muffling chamber; 3. a top cover; 4. a partition cover; 5. a partition plate; 6. a partition fixing groove; 7. an upper silencing chamber; 8. a left muffling chamber; 9. a right muffling chamber; 10. an air inlet; 11. an air inlet pipe; 12. a first vent pipe; 13. a second vent pipe; 14. a third vent pipe; 15. a trumpet-shaped air outlet; 16. an annular groove; 17. a convex ring.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): an air suction silencer for a compressor is shown in figures 1-5 and comprises a silencer main shell, wherein a lower silencing cavity is arranged on the inner side of the silencer main shell, a top cover is installed at the top of the silencer main shell, a separation cover is arranged at the joint between the top cover and the silencer main shell, a partition plate is arranged on the lower side of the middle of the separation cover, a partition plate fixing groove is formed in the middle of the inner side of the silencer main shell, the partition plate is inserted into the partition plate fixing groove, an upper silencing cavity is formed between the separation cover and the top cover, the lower silencing cavity is divided into a left silencing cavity and a right silencing cavity by the partition plate, an air inlet is arranged in the middle of the top cover, an air inlet pipe is arranged on the upper side of the air inlet, a first vent pipe is arranged on the right side of the partition plate and in the middle of the separation cover, the upper end of the first vent pipe extends into the upper silencing cavity, the lower end of the first vent pipe is bent leftward and extends into the left silencing cavity, go up between sound cavity and the left sound cavity of amortizing through first breather pipe intercommunication, be located the below of first breather pipe lower extreme and in the lower tip of baffle is equipped with the second breather pipe, pass through the second breather pipe intercommunication between left side sound cavity and the right sound cavity of amortizing, the right downside in right sound cavity of amortizing is equipped with the third breather pipe, the outside right downside of muffler main casing body is equipped with loudspeaker form gas outlet, loudspeaker form gas outlet and third breather pipe intercommunication.
The inner diameter of the air inlet pipe is phi 6.0-6.5mm, the inner diameter of the first vent pipe is phi 6.5-7.0mm, and the inner diameter of the second vent pipe is phi 6.0-6.5mm, so that the effect of effectively reducing the noise by 2dB (A) after the air flow passes through each silencing cavity is realized.
An annular groove is formed in the outer ring of the lower side of the top cover, a convex ring is arranged on the outer ring of the upper side of the main shell of the silencer, the convex ring is arranged in the annular groove when the top cover is connected with the main shell of the silencer, and the annular groove is tightly connected with the convex ring; make the connection between top cap and the muffler main casing body more firm, improve sealed effect simultaneously.
The principle of the utility model is as follows: the air inlet pipe and the horn-shaped air outlet of the utility model are respectively connected with the air pipe in the existing compressor, in the limited space of the compressor, three large-volume silencing cavities, namely an upper silencing cavity, a left silencing cavity and a right silencing cavity, are designed, the left silencing cavity and the right silencing cavity are communicated through the second vent pipe, and the upper silencing cavity and the left silencing cavity are communicated through the first vent pipe, so that the utility model is divided into three independent silencing cavities, and the air flow is gradually expanded through the three silencing cavities to achieve the purpose of graded silencing; the inner diameter of the air inlet pipe is phi 6.0-6.5mm, the inner diameter of the first vent pipe is phi 6.5-7.0mm, and the inner diameter of the second vent pipe is phi 6.0-6.5mm, so that the effect of effectively reducing the noise by 2dB (A) after the air flow passes through each silencing cavity is realized.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.
Claims (3)
1. A suction muffler for a compressor comprises a muffler main body, and is characterized in that a lower muffling cavity is arranged on the inner side of the muffler main body, a top cover is mounted at the top of the muffler main body, a separating cover is arranged at the joint between the top cover and the muffler main body, a partition plate is arranged at the lower side of the middle part of the separating cover, a partition plate fixing groove is arranged in the middle of the inner side of the muffler main body, the partition plate is inserted into the partition plate fixing groove, an upper muffling cavity is formed between the separating cover and the top cover, the lower muffling cavity is divided into a left muffling cavity and a right muffling cavity by the partition plate, an air inlet is arranged in the middle of the top cover, an air inlet pipe is arranged at the upper side of the air inlet, a first vent pipe is arranged on the right side of the partition plate and in the middle of the separating cover, the upper end of the first vent pipe extends into the upper muffling cavity, the lower end of the first vent pipe is bent leftward and extends into the left muffling cavity, go up between sound cavity and the left sound cavity of amortizing through first breather pipe intercommunication, be located the below of first breather pipe lower extreme and in the lower tip of baffle is equipped with the second breather pipe, pass through the second breather pipe intercommunication between left side sound cavity and the right sound cavity of amortizing, the right downside in right sound cavity of amortizing is equipped with the third breather pipe, the outside right downside of muffler main casing body is equipped with loudspeaker form gas outlet, loudspeaker form gas outlet and third breather pipe intercommunication.
2. The suction muffler for a compressor as claimed in claim 1, wherein the inner diameter of the inlet pipe is 6.0 to 6.5mm, the inner diameter of the first vent pipe is 6.5 to 7.0mm, and the inner diameter of the second vent pipe is 6.0 to 6.5 mm.
3. The suction muffler for the compressor as claimed in claim 1, wherein an annular groove is formed on an outer ring of a lower side of the top cover, a protruding ring is formed on an outer ring of an upper side of the main housing of the muffler, the protruding ring is disposed in the annular groove when the top cover is connected to the main housing of the muffler, and the annular groove and the protruding ring are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023304722.6U CN214247610U (en) | 2020-12-31 | 2020-12-31 | Air suction silencer for compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023304722.6U CN214247610U (en) | 2020-12-31 | 2020-12-31 | Air suction silencer for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214247610U true CN214247610U (en) | 2021-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023304722.6U Active CN214247610U (en) | 2020-12-31 | 2020-12-31 | Air suction silencer for compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214247610U (en) |
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2020
- 2020-12-31 CN CN202023304722.6U patent/CN214247610U/en active Active
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