CN204591680U - compressor and pump body assembly thereof - Google Patents
compressor and pump body assembly thereof Download PDFInfo
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- CN204591680U CN204591680U CN201420846107.3U CN201420846107U CN204591680U CN 204591680 U CN204591680 U CN 204591680U CN 201420846107 U CN201420846107 U CN 201420846107U CN 204591680 U CN204591680 U CN 204591680U
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- upper flange
- flange
- cylinder
- hole
- pump body
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- 230000003584 silencer Effects 0.000 claims abstract description 36
- 230000030279 gene silencing Effects 0.000 claims abstract description 26
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 10
- 230000009467 reduction Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a compressor and a pump body component thereof, the pump body component comprises a cylinder (6), an upper flange (7) and an upper silencer (8) arranged on the upper flange (7), the upper silencer (8) is a closed structure, and the inner cavity of the upper silencer and the upper flange (7) form an upper silencing cavity (1); an air inlet channel (71) communicated with the silencing cavity (1) and an exhaust groove formed in the end face, facing the upper silencer (8), of the upper flange (7) are formed in the upper flange (7), and the end face, facing the upper flange (7), of the upper silencer (8) and the exhaust groove enclose an exhaust port (2); the cylinder exhaust port of the cylinder (6) communicates with the intake passage (71). The utility model provides a pump body subassembly has avoided parts such as gaseous direct and bent epaxial rotor to take place to strike and rub, and then has effectively reduced the noise.
Description
Technical Field
The utility model relates to a compression equipment technical field, in particular to compressor and pump body subassembly thereof.
Background
With the continuous improvement of environmental requirements and the quality of life of people, the noise problem is more and more concerned by the majority of household electrical appliance manufacturers. For a compressor, exhaust noise (i.e., noise generated by high-pressure gas entering a housing of the compressor) is the dominant noise of the compressor. Wherein, the difference of exhaust structure has a big influence to compressor exhaust noise, and then influences the whole noise of compressor.
To reduce exhaust noise, a muffler is often added.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a pump body assembly in the prior art.
Taking a rotor compressor as an example, the lower flange 01, the cylinder 02 and the upper flange 03 are arranged in sequence, and a silencer 04 is further arranged, the silencer 04 is fastened on the upper flange 03, an inner cavity of the silencer 04 and the upper flange 03 form a silencing cavity, a silencing exhaust port 05 is arranged on the silencer 04, and an air inlet channel communicated with an exhaust port of the cylinder 02 and the silencing cavity is arranged on the upper flange 03. The high-pressure gas compressed by the cylinder 02 enters a silencing cavity of the silencer 04 through the air inlet channel, enters the shell cavity 06 through the silencing exhaust port 05 after noise reduction, and is discharged out of the compressor through the exhaust port on the shell.
However, since the crankshaft of the compressor is provided with a rotor or other component, the noise entering the housing cavity 06 through the muffling exhaust port 05 is likely to cause impact and friction with the rotor or other component, and the noise is large.
Therefore, how to reduce noise is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a pump body subassembly to noise reduction. The utility model also provides a compressor of having above-mentioned pump body subassembly.
In order to achieve the above object, the utility model provides a following technical scheme:
a pump body assembly comprises a cylinder, an upper flange and an upper silencer arranged on the upper flange, wherein the upper silencer is of a closed structure, and an inner cavity of the upper silencer and the upper flange form an upper silencing cavity;
the upper flange is provided with an air inlet channel communicated with the silencing cavity and an exhaust groove arranged on the end surface of the upper flange facing the upper silencer, and the end surface of the upper silencer facing the upper flange and the exhaust groove form an exhaust port in a surrounding manner;
the cylinder exhaust port of the cylinder communicates with the intake passage.
Preferably, in the pump body assembly, a side of the lower flange of the pump body assembly, which is far away from the cylinder, is provided with a lower muffler for immersing in lubricating oil.
Preferably, in the pump body assembly, the upper flange is provided with a first upper flange circulation hole communicated with the upper silencing cavity, the lower flange is provided with a first lower flange circulation hole communicated with the lower silencing cavity, the cylinder is provided with a first cylinder circulation hole, and the first cylinder circulation hole is communicated with the first lower flange circulation hole and the first upper flange circulation hole.
Preferably, in the pump body assembly, the lower muffler is a closed structure, and an inner cavity of the lower muffler and the lower flange form a lower muffler cavity;
the upper flange is also provided with a second upper flange circulation hole communicated with the upper silencing cavity, the first upper flange circulation hole is arranged corresponding to the air inlet channel, and the second upper flange circulation hole is arranged corresponding to the air exhaust groove;
the lower flange is also provided with a second lower flange circulation hole communicated with the lower silencing cavity;
the cylinder is also provided with a second cylinder circulation hole which is communicated with the second lower flange circulation hole and the second upper flange circulation hole.
Preferably, in the pump body assembly, a partition plate is provided in the upper muffler to divide the upper muffler chamber into two chambers, the air inlet passage communicates with one chamber through the first upper flange flow hole, and the second upper flange flow hole communicates with the other chamber through the exhaust groove.
Preferably, in the pump body assembly, the first upper flange flow hole and the second upper flange flow hole are symmetrically arranged on the upper flange.
Preferably, in the pump body assembly, a diameter of the first cylinder flow hole is larger than diameters of the first lower flange flow hole and the first upper flange flow hole; the diameter of the second cylinder flow hole is larger than the diameter of the second lower flange flow hole and the diameter of the second upper flange flow hole.
Preferably, in the pump body assembly, a protrusion structure and a groove structure are arranged on an inner wall of the lower silencer.
Preferably, in the pump body assembly, the lower muffler is connected to the lower flange bolt.
The utility model also provides a compressor, including the casing and set up in pump body subassembly in the casing, pump body subassembly be as above pump body subassembly.
According to the technical scheme, the utility model provides a pump body subassembly, in compression process, high-pressure gas in the cylinder gets into the muffler by the cylinder gas vent through inlet channel, in the gas vent that is enclosed by the terminal surface of last muffler orientation upper flange and air discharge duct gets into the casing of compressor, has avoided parts such as gaseous direct and bent epaxial rotor to take place to strike and rub, and then has effectively reduced the noise.
The utility model also provides a compressor of having above-mentioned pump body subassembly. Since the pump body assembly has the technical effects, the compressor with the pump body assembly also has the technical effects, and the technical effects are not repeated one by one.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 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 schematic diagram of a pump body assembly according to the prior art;
fig. 2 is a schematic structural diagram of a pump body assembly according to an embodiment of the present invention;
fig. 3 is a schematic sectional view taken along the plane a-a in fig. 2.
Wherein,
the silencer comprises an upper silencing cavity-1, an exhaust port-2, a lower silencing cavity-3, a lower silencer-4, a lower flange-5, a first lower flange circulation hole-51, a second lower flange circulation hole-52, a cylinder-6, a first cylinder circulation hole-61, a second cylinder circulation hole-62, an upper flange-7, an air inlet channel-71, a first upper flange circulation hole-72, a second upper flange circulation hole-73 and an upper silencer-8.
Detailed Description
The utility model discloses a pump body subassembly to the noise reduction. The utility model also provides a compressor of having above-mentioned pump body subassembly.
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.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a pump body assembly according to an embodiment of the present invention.
The embodiment of the utility model provides a pump body assembly, including cylinder 6, upper flange 7 and upper muffler 8 that sets up on upper flange 7, wherein, upper muffler 8 is the enclosed construction, namely, does not set up the gas outlet on it, and, after the cover is located the bent axle of pump body assembly, the inner chamber of upper muffler 8 makes up with upper flange 7, forms upper muffler chamber 1; the upper flange 7 is provided with an air inlet channel 71 communicated with the upper muffler cavity 1 and an exhaust groove arranged on the end surface of the upper flange 7 facing the upper silencer 8, and the end surface of the upper silencer 8 facing the upper flange 7 and the exhaust groove enclose an exhaust port 2; the cylinder exhaust port of the cylinder 6 communicates with the intake passage 71.
The embodiment of the utility model provides a pump body subassembly, in compression process, high-pressure gas in the cylinder 6 gets into muffler 8 through inlet channel 71 by the cylinder gas vent, by last muffler 8 towards the terminal surface of upper flange 7 and the gas vent 2 that the air discharge duct encloses get into the casing of compressor, avoided parts such as gaseous direct and bent epaxial rotor to take place to strike and rub, and then effectively reduced the noise.
In order to further reduce noise, a lower silencer 4 is added. As shown in fig. 2, the side of the lower flange 5 of the pump body assembly remote from the cylinder 6 is provided with a lower muffler 4 for immersion in lubricating oil, i.e., in a normal operating condition, the lubricating oil is provided in the casing of the compressor and the lower muffler 4 is immersed in the lubricating oil, so as to further reduce noise by the effect of sound absorption by the oil.
In this embodiment, the high-pressure gas enters the upper silencing chamber 1 through the gas inlet passage 71 and then flows into the lower silencing chamber 3 through the flow holes. As shown in fig. 2, the upper flange 7 is provided with a first upper flange flow hole 72 communicating with the upper sound-deadening chamber 1, the lower flange 5 is provided with a first lower flange flow hole 51 communicating with the lower sound-deadening chamber 3, the cylinder 6 is provided with a first cylinder flow hole 61, and the first cylinder flow hole 61 communicates the first lower flange flow hole 51 and the first upper flange flow hole 72. Two exhaust ports can be arranged on the cylinder 6 and respectively flow into the upper silencing cavity 1 and the lower silencing cavity 3, the high-pressure gas quantity in the upper silencer 8 and the lower silencer 4 is reduced through shunting, the noise reduction effect is improved, and the noise is reduced.
The high-pressure gas flowing into the lower silencer 4 can directly enter the shell, or an exhaust groove can be arranged on the lower flange 5, so that the exhaust groove and the lower silencer 4 form an exhaust port which enters the shell. In order to avoid the noise generated by the interference between the lower muffler 4 and the gas discharged from the upper muffler 8 in the housing, in a further preferred embodiment, the high-pressure gas, which has been noise-reduced by the lower muffler 4, flows back to the upper muffler 8 and enters the housing of the compressor through the gas discharge port 2, i.e. the lower muffler 4 is a closed structure, and the inner cavity of the lower muffler 4 and the lower flange 5 form the lower muffler chamber 3. In order to return the high-pressure gas in the lower muffler 4 to the upper muffler 8, it is necessary to provide passages communicating the lower muffler 4 and the upper muffler 8 to the lower flange 5, the cylinder 6, and the upper flange 7. Wherein, the upper flange 7 is provided with a first upper flange through hole 72 and a second upper flange through hole 73 which are communicated with the upper silencing cavity 1, the first upper flange through hole 72 is arranged corresponding to the air inlet channel 71, and the second upper flange through hole 73 is arranged corresponding to the air exhaust groove; the lower flange 5 is provided with a first lower flange circulation hole 51 and a second lower flange circulation hole 52 which are communicated with the lower silencing cavity 3; the cylinder 6 is provided with a first cylinder flow hole 61 and a second cylinder flow hole 62, the first cylinder flow hole 61 communicates with the first lower flange flow hole 51 and the first upper flange flow hole 72, and the second cylinder flow hole 62 communicates with the second lower flange flow hole 52 and the second upper flange flow hole 73.
In order to ensure that the high-pressure gas flows from the upper silencer 8 into the lower silencer 4 and then flows back to the upper silencer 8, a partition plate for dividing the upper silencing chamber 1 into two chambers is arranged in the upper silencer 8, the air inlet passage 71 is communicated with one chamber through the first upper flange flow hole 72, and the second upper flange flow hole 73 is communicated with the exhaust groove and the other chamber.
The first upper flange flow hole 72 may be aligned with the air inlet passage 71, a part of the high-pressure gas flowing into the upper muffling chamber 1 is retained in the upper muffling chamber 1 under the action of inertia, and the other part of the high-pressure gas flows into the lower muffling chamber 3 through the first cylinder flow hole 61 and the first lower flange flow hole 51 under the flow dividing action of the first upper flange flow hole 72, while the second upper flange flow hole 73 is aligned with the exhaust groove, and since the exhaust groove is communicated with the housing, the pressure in the housing is smaller than the pressures in the upper muffling chamber 1 and the lower muffling chamber 3, the high-pressure gas in the lower muffling chamber 3 flows to the exhaust groove through the upper muffling chamber 1.
As shown in fig. 3, the first upper flange flow holes 72 and the second upper flange flow holes 73 are symmetrically provided in the upper flange 7. The arrangement is convenient for the arrangement of the first upper flange flow hole 72 and the second upper flange flow hole 73. The first upper flange flow hole 72 and the second upper flange flow hole 73 may be arranged at an angle on the upper flange 7.
For convenience of processing, the circulation holes are round holes. The flow holes include a first lower flange flow hole 51, a second lower flange flow hole 52, a first cylinder flow hole 61, a second cylinder flow hole 62, a first upper flange flow hole 72, and a second upper flange flow hole 73. And can also be processed into square holes, elliptical holes, special-shaped holes and the like.
The embodiment of the utility model provides an among the pump body subassembly, the diameter of first cylinder circulation hole 61 is greater than the diameter of first flange circulation hole 51 and first upper flange circulation hole 72 down, and the diameter of second cylinder circulation hole 62 is greater than the diameter of second lower flange circulation hole 52 and second upper flange circulation hole 73. The variable volume enables the channel formed by the first cylinder circulation hole 61, the first lower flange circulation hole 51 and the first upper flange circulation hole 72 and the channel formed by the second cylinder circulation hole 62, the second lower flange circulation hole 52 and the second upper flange circulation hole 73 to have a concave-convex structure, and the noise reduction effect is achieved.
As shown in fig. 2, the inner wall of the lower silencer 4 is provided with a protrusion structure and a groove structure. The wall plate of the side of the lower silencer 4 far away from the lower flange 5 is processed with a convex structure and a groove structure through stamping, bending or casting and other modes, so that the noise reduction effect is further achieved.
In the present embodiment, the lower muffler 4 is bolted to the lower flange 5. Through bolted connection to the components of a whole that can function independently installation and the change of lower muffler 4 and lower flange 5 have effectively reduced the maintenance cost, are convenient for install. The lower silencer 4 and the lower flange 5 may be connected by welding or integrally molding, and will not be described in detail herein.
The embodiment of the utility model provides a compressor is still provided, including the casing and set up the pump body subassembly in the casing, pump body subassembly is as above-mentioned any kind of pump body subassembly. Since the pump body assembly has the technical effects, the compressor with the pump body assembly also has the technical effects, and the technical effects are not repeated one by one.
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 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 (10)
1. A pump body assembly comprises a cylinder (6), an upper flange (7) and an upper silencer (8) arranged on the upper flange (7), and is characterized in that the upper silencer (8) is of a closed structure, and an inner cavity of the upper silencer and the upper flange (7) form an upper silencing cavity (1);
an air inlet channel (71) communicated with the silencing cavity (1) and an exhaust groove formed in the end face, facing the upper silencer (8), of the upper flange (7) are formed in the upper flange (7), and the end face, facing the upper flange (7), of the upper silencer (8) and the exhaust groove enclose an exhaust port (2);
the cylinder exhaust port of the cylinder (6) communicates with the intake passage (71).
2. The pump block assembly according to claim 1, characterized in that the side of the lower flange (5) of the pump block assembly remote from the cylinder (6) is provided with a lower muffler (4) for immersion in lubricating oil.
3. The pump body assembly according to claim 2, characterized in that said upper flange (7) is provided with a first upper flange flow hole (72) communicating with said upper muffling chamber (1), said lower flange (5) is provided with a first lower flange flow hole (51) communicating with said lower muffling chamber (3), said cylinder (6) is provided with a first cylinder flow hole (61), said first cylinder flow hole (61) communicating said first lower flange flow hole (51) with said first upper flange flow hole (72).
4. The pump body assembly according to claim 3, characterized in that said lower muffler (4) is a closed structure, the inner cavity of which forms with said lower flange (5) a lower muffler chamber (3);
the upper flange (7) is also provided with a second upper flange through hole (73) communicated with the upper silencing cavity (1), the first upper flange through hole (72) is arranged corresponding to the air inlet channel (71), and the second upper flange through hole (73) is arranged corresponding to the air exhaust groove;
the lower flange (5) is also provided with a second lower flange circulation hole (52) communicated with the lower silencing cavity (3);
the cylinder (6) is also provided with a second cylinder circulation hole (62), and the second cylinder circulation hole (62) is communicated with the second lower flange circulation hole (52) and the second upper flange circulation hole (73).
5. The pump body assembly according to claim 4, characterized in that a partition is provided inside the upper muffler (8) dividing the upper muffler chamber (1) into two chambers, the intake passage (71) communicating with the first upper flange flow opening (72) in one chamber and the second upper flange flow opening (73) communicating with the exhaust groove in the other chamber.
6. The pump body assembly according to claim 5, characterized in that said first upper flange flow opening (72) and said second upper flange flow opening (73) are symmetrically arranged on said upper flange (7).
7. The pump body assembly according to any one of claims 4 to 6, characterized in that the diameter of the first cylinder through hole (61) is greater than the diameter of the first lower flange through hole (51) and the first upper flange through hole (72);
the diameter of the second cylinder flow hole (62) is larger than the diameters of the second lower flange flow hole (52) and the second upper flange flow hole (73).
8. Pump body assembly according to claim 2, characterized in that the lower muffler (4) is provided with a raised and recessed structure on its inner wall.
9. The pump body assembly according to claim 2, characterized in that the lower muffler (4) is bolted to the lower flange (5).
10. A compressor comprising a housing and a pump block assembly disposed within the housing, wherein the pump block assembly is according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846107.3U CN204591680U (en) | 2014-12-25 | 2014-12-25 | compressor and pump body assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420846107.3U CN204591680U (en) | 2014-12-25 | 2014-12-25 | compressor and pump body assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591680U true CN204591680U (en) | 2015-08-26 |
Family
ID=53927839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420846107.3U Active CN204591680U (en) | 2014-12-25 | 2014-12-25 | compressor and pump body assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591680U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114326A (en) * | 2015-09-25 | 2015-12-02 | 珠海凌达压缩机有限公司 | Compressor and thermoregulation device |
| CN107165825A (en) * | 2017-05-25 | 2017-09-15 | 珠海凌达压缩机有限公司 | Pump body subassembly, compressor and air conditioning system |
| CN110080986A (en) * | 2019-06-10 | 2019-08-02 | 珠海凌达压缩机有限公司 | Pump body subassembly, compressor and air conditioner |
| CN110318984A (en) * | 2019-07-11 | 2019-10-11 | 珠海格力电器股份有限公司 | Cylinder silencing device, pump body assembly and compressor |
| CN110318982A (en) * | 2019-06-26 | 2019-10-11 | 珠海格力电器股份有限公司 | Exhaust silencer, compressor and electric appliance |
-
2014
- 2014-12-25 CN CN201420846107.3U patent/CN204591680U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114326A (en) * | 2015-09-25 | 2015-12-02 | 珠海凌达压缩机有限公司 | Compressor and thermoregulation device |
| CN107165825A (en) * | 2017-05-25 | 2017-09-15 | 珠海凌达压缩机有限公司 | Pump body subassembly, compressor and air conditioning system |
| CN107165825B (en) * | 2017-05-25 | 2020-02-07 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioning system |
| CN110080986A (en) * | 2019-06-10 | 2019-08-02 | 珠海凌达压缩机有限公司 | Pump body subassembly, compressor and air conditioner |
| CN110318982A (en) * | 2019-06-26 | 2019-10-11 | 珠海格力电器股份有限公司 | Exhaust silencer, compressor and electric appliance |
| CN110318984A (en) * | 2019-07-11 | 2019-10-11 | 珠海格力电器股份有限公司 | Cylinder silencing device, pump body assembly and compressor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |