CN212563650U - Gas inlet structure of gas compressor - Google Patents
Gas inlet structure of gas compressor Download PDFInfo
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- CN212563650U CN212563650U CN202020844814.4U CN202020844814U CN212563650U CN 212563650 U CN212563650 U CN 212563650U CN 202020844814 U CN202020844814 U CN 202020844814U CN 212563650 U CN212563650 U CN 212563650U
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Abstract
The utility model provides a gas compressor's air inlet structure, is including establishing the air inlet on the air inlet end cover, the air inlet corresponds the position between positive rotor and the negative rotor, the position that compression chamber shells inner wall corresponds the air inlet is equipped with the air inlet tank along the axial, the air inlet tank is used for increasing the axial air input between positive rotor and the negative rotor. Air inlet end cover inner wall is equipped with first arc wall and second arc wall respectively in the air inlet both sides, a plurality of wall chamber intercommunication between first arc wall and the adjacent two blades of positive rotor, first arc wall is used for increasing the air input of positive rotor terminal surface, a plurality of wall chamber intercommunication between second arc wall and the adjacent two blades of negative rotor, the second arc wall is used for increasing the air input of negative rotor terminal surface. The air inlet valve has the advantages of good sealing performance, improved air inlet efficiency, high overall strength and stable and reliable quality.
Description
The technical field is as follows:
the utility model relates to a gas compressor's air inlet structure.
Background art:
the gas compressor is used for intercepting gas by mutually meshing two rotors, and the gas enters from a gas inlet and is discharged from a gas outlet after being compressed. At present, the gas compressor on the market is provided with a fixed plate for supporting rotor shafts of a male rotor and a female rotor at an air inlet, and a groove is formed between the fixed plate and a compression cavity shell for air inlet, and the structure has the following defects:
(1) the compression cavity shell needs to be additionally connected with an air inlet end cover buckled on the outer side of the fixing plate, but the sealing between the air inlet end cover and the compression cavity shell is not easy to guarantee, and gas is easy to leak outwards from a gap between the air inlet end cover and the compression cavity shell, so that the whole sealing effect is poor;
(2) the size of the fixing plate is not easy to control, and the air inflow of the gas compressor in unit time and the whole air inflow efficiency are influenced if the area of the fixing plate is too large; if the area of the fixing plate is too small, the supporting stability of the male rotor and the female rotor is deteriorated, and the overall strength is affected;
(3) the air input can only be adjusted through the size of the groove between the fixed plate and the compression cavity shell, no improved structure capable of improving the air input is arranged in the axial direction, and the air input efficiency is to be improved.
In summary, in the field of gas compressors, the above problems have become a technical problem to be solved urgently in the industry.
The utility model has the following contents:
the utility model discloses a remedy prior art not enough, provide a gas compressor's air inlet structure, the leakproofness is good, and the efficiency of admitting air improves, and bulk strength is high, and the steady quality is reliable, has solved the problem that exists among the prior art.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a gas compressor's air inlet structure, is including establishing the air inlet on the air inlet end cover, the air inlet corresponds the position between positive rotor and the negative rotor, the position that compression chamber shells inner wall corresponds the air inlet is equipped with the air inlet tank along the axial, the air inlet tank is used for increasing the axial air input between positive rotor and the negative rotor.
Air inlet end cover inner wall is equipped with first arc wall and second arc wall respectively in the air inlet both sides, a plurality of wall chamber intercommunication between first arc wall and the adjacent two blades of positive rotor, first arc wall is used for increasing the air input of positive rotor terminal surface, a plurality of wall chamber intercommunication between second arc wall and the adjacent two blades of negative rotor, the second arc wall is used for increasing the air input of negative rotor terminal surface.
The first arc-shaped groove and the second arc-shaped groove are symmetrically arranged by taking the air inlet as a center.
The air inlet end cover and the compression cavity shell are cast and formed into a whole.
And the outer wall of the air inlet end cover is provided with a bearing groove for mounting rotor shafts of the male rotor and the female rotor.
The utility model adopts the above technical scheme, have following advantage:
(1) the arrangement of the air inlet grooves can increase the axial air inflow between the male rotor and the female rotor, the first arc-shaped groove and the second arc-shaped groove are respectively arranged on the inner wall of the air inlet end cover on the two sides of the air inlet, the air inflow of the end faces of the male rotor and the female rotor is increased, the air inlet efficiency can be further improved by combining the air inlet grooves and the air inlet grooves, and the air inlet efficiency can be increased by more than 30% compared with the conventional air inflow;
(2) the air inlet end cover and the compression cavity shell are cast and formed into a whole, so that air cannot leak outwards, the whole sealing effect is improved, the whole strength is improved, and the quality is stable and reliable;
(3) the utility model provides high gas compressor air inlet's each side wholeness ability such as leakproofness, air input, stability, intensity.
Description of the drawings:
fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic left-side view of the three-dimensional structure of the present invention.
Fig. 3 is a schematic diagram of a right-side perspective structure of the present invention.
In the figure: 1. the air inlet end cover 2, the air inlet 3, the compression cavity shell 4, the air inlet groove 5, the first arc-shaped groove 6, the second arc-shaped groove 7 and the bearing groove.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-3, an air inlet structure of a gas compressor comprises an air inlet 2 arranged on an air inlet end cover 1, wherein the air inlet 2 corresponds to a position between a male rotor and a female rotor, an air inlet groove 4 is axially arranged on a position of an inner wall of a compression cavity shell 3 corresponding to the air inlet 2, after the air enters from the air inlet 2, the air enters into the air inlet groove 4, a part of the air enters into a space between the male rotor and the female rotor from the axial direction to be compressed, and the air inlet groove 4 increases the axial air inflow between the male rotor and the female rotor, so that the air inlet efficiency can be further improved.
The air inlet end cover comprises an air inlet end cover 1 and is characterized in that a first arc-shaped groove 5 and a second arc-shaped groove 6 are respectively arranged on two sides of an air inlet 2 on the inner wall of the air inlet end cover 1, the first arc-shaped groove 5 and the second arc-shaped groove 6 are communicated with the air inlet 4, the first arc-shaped groove 5 is communicated with a plurality of grooves between two adjacent blades of a male rotor, the other part of air entering the air inlet groove 4 from the air inlet 2 enters the first arc-shaped groove 5 and the second arc-shaped groove 6 again, the first arc-shaped groove 5 is used for increasing the air inflow of the end face of the male rotor, the second arc-shaped groove 6 is communicated with a plurality of grooves between two adjacent blades of a female rotor, and the second arc-.
The first arc-shaped groove 5 and the second arc-shaped groove 6 are symmetrically arranged by taking the air inlet 2 as a center, so that the quantity of gas entering the male rotor from the first arc-shaped groove 5 is balanced with the quantity of gas entering the female rotor from the second arc-shaped groove 6, and the stability of compressed gas is ensured.
The air inlet end cover 1 and the compression cavity shell 3 are cast and formed into a whole, so that air cannot leak outwards, the overall sealing effect is improved, the overall strength is improved, and the quality is stable and reliable.
The bearing groove 7 for installing the rotor shaft of the male rotor and the rotor shaft of the female rotor is formed in the outer wall of the air inlet end cover 1, the bearing groove 7 is formed in the outer wall of the air inlet end cover 1, the sealing performance of the air inlet end cover 1 can be guaranteed, and gas is prevented from leaking from the bearings.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (5)
1. The utility model provides a gas compressor's air inlet structure, includes air inlet end cover and compression chamber casing, its characterized in that: the air inlet is arranged on an air inlet end cover and corresponds to the position between the male rotor and the female rotor, an air inlet groove is axially arranged on the position, corresponding to the air inlet, of the inner wall of the compression cavity shell, and the air inlet groove is used for increasing the axial air inflow between the male rotor and the female rotor.
2. A gas inlet structure of a gas compressor according to claim 1, wherein: air inlet end cover inner wall is equipped with first arc wall and second arc wall respectively in the air inlet both sides, a plurality of wall chamber intercommunication between first arc wall and the adjacent two blades of positive rotor, first arc wall is used for increasing the air input of positive rotor terminal surface, a plurality of wall chamber intercommunication between second arc wall and the adjacent two blades of negative rotor, the second arc wall is used for increasing the air input of negative rotor terminal surface.
3. A gas inlet structure of a gas compressor as claimed in claim 2, wherein: the first arc-shaped groove and the second arc-shaped groove are symmetrically arranged by taking the air inlet as a center.
4. A gas inlet structure of a gas compressor according to claim 1, wherein: the air inlet end cover and the compression cavity shell are cast and formed into a whole.
5. A gas inlet structure of a gas compressor according to claim 1, wherein: and the outer wall of the air inlet end cover is provided with a bearing groove for mounting rotor shafts of the male rotor and the female rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020844814.4U CN212563650U (en) | 2020-05-19 | 2020-05-19 | Gas inlet structure of gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020844814.4U CN212563650U (en) | 2020-05-19 | 2020-05-19 | Gas inlet structure of gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212563650U true CN212563650U (en) | 2021-02-19 |
Family
ID=74624465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020844814.4U Active CN212563650U (en) | 2020-05-19 | 2020-05-19 | Gas inlet structure of gas compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212563650U (en) |
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2020
- 2020-05-19 CN CN202020844814.4U patent/CN212563650U/en active Active
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